WO2014030620A1 - 寝姿勢制御ベッドシステム - Google Patents
寝姿勢制御ベッドシステム Download PDFInfo
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- WO2014030620A1 WO2014030620A1 PCT/JP2013/072124 JP2013072124W WO2014030620A1 WO 2014030620 A1 WO2014030620 A1 WO 2014030620A1 JP 2013072124 W JP2013072124 W JP 2013072124W WO 2014030620 A1 WO2014030620 A1 WO 2014030620A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/018—Control or drive mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1113—Local tracking of patients, e.g. in a hospital or private home
- A61B5/1114—Tracking parts of the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/001—Beds specially adapted for nursing; Devices for lifting patients or disabled persons with means for turning-over the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/008—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around longitudinal axis, e.g. for rolling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/0573—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with mattress frames having alternately movable parts
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/103—Static body considered as a whole, e.g. static pedestrian or occupant recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/34—General characteristics of devices characterised by sensor means for pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
Definitions
- the present invention relates to a bed system for controlling the sleeping posture of a sleeping person.
- Bedridden patients often do not turn over by themselves, which inhibits blood circulation and causes pressure sores (also called bed sores). Acupuncture significantly deteriorates the patient's health and is fatal. For this reason, it is necessary to support repositioning at a rate of about once every two hours, but this places a heavy burden on home-based caregivers.
- Severe sleep apnea syndrome is a life-threatening disease, and even in mild cases, the quality of sleep may be reduced, causing people to go to bed at work. For example, if a person suffering from sleep disorder is an airplane, train or bus driver, it may cause a serious accident involving human life.
- Patent Literatures 1 and 2 propose a care bed technology having a function of assisting the repositioning of a patient.
- Patent Document 1 enables patient turning over by automatically rotating a bed along a circular slider in a circumferential direction.
- Patent document 2 supports a floor plate in which a semicircular body having a semicircular track along a bed width direction protrudes from the lower surface, and supports the semicircular body so as to be semirotatable in a circumferential direction and tilts the floor plate
- the nursing care bed which consists of a bed frame to hold
- Patent Literatures 1 and 2 above are to tilt the bed to assist the posture change, and the caregiver tilts and uses the bed at the time of the posture change.
- Chronic sleep deprivation caused by such causes can not lead to a healthy life, and can sometimes cause serious accidents involving human life. However, they realize that they themselves have such sleep disorders. Often not.
- the bed surface can be inclined regularly or discontinuously or at any time so as to prevent bedsores of bedridden patients, and sleep apnea, low breathing, snoring and bruxism during sleep. And so on, and it is another object of the present invention to provide an other-direction tiltable bed system for inducing a posture in a sleeping posture capable of detecting so-called sleep abnormality such as, and capable of reducing the abnormality when sleep abnormality is detected.
- a group of inventions to achieve the above object is configured as follows.
- First Invention A bed having a back raising portion for raising the back side of a sleeper, a bed supporting body for supporting the bed, and a back raising driving portion for raising and tilting the head side of the back raising portion
- a sleeping position control bed system comprising: a back support having a back receiving surface and a head receiving surface which can be adjusted to different inclination angles, and the back receiving surface is not inclined and raised The head rest in the case where the inclination angle of the time is 0 °, the inclination angle of the back support surface when inclined uplift is ⁇ x, and the inclination extension line of the back support surface when the inclination angle ⁇ x is 0 ° When the inclination angle of the surface is ⁇ y, the back-raising drive unit causes the back receiving surface and the head receiving surface to rise in an inclined manner so as to satisfy the following equation (1).
- the inclination angle ⁇ x in this configuration is an elevation angle (plus angle) based on an inclination angle of 0 ° when the back support surface is not inclined and raised, and the inclination angle ⁇ y is the inclination angle ⁇ x
- the inclination extension line of the back support surface of this time is 0 °, and it is a negative elevation angle (plus depression angle) based on the direction of the inclination extension line.
- the sleeping person lying in a supine position on the sleeping posture control bed system of this configuration is defined as 0 ° ⁇ x ⁇ 70 °
- the head side is kept higher than the waist side.
- the head will change within a range of angles substantially equivalent to the back, from the state of being warped up to 45 ° with respect to the back.
- the elevation angle of the head with respect to the back support surface when not inclined and raised is a maximum of ⁇ 30 °. That is, as long as the bed of the sleeping posture control bed according to the present invention is set to be perpendicular to the direction of gravity (parallel to the horizontal plane), the tilt of the head is a maximum of -30 ° to the horizontal plane.
- the head in order to secure the airways of the sleeping person, if the head is turned back 10 ° with respect to the center line passing from the head to the trunk (elevation angle ⁇ y is ⁇ 10 °), the head remains horizontal even though the head remains horizontal. If the inclination angle of the receiving surface is 10 °, only the head can be bent back 10 ° with respect to the center line passing from the head to the trunk, and the airway can be expanded (secured). In this posture, there is no burden on the heart and no blood gathers on the head. Therefore, the airway can be expanded without putting a burden on the sleeping person.
- the second invention provides the back support surface and the head support so that the back-raising drive unit satisfies the equation (2).
- the surface is inclined and raised. [Equation 2] 0 ° ⁇ x ⁇ 70 °, and ⁇ 45 ° ⁇ ⁇ y ⁇ 0 °, and 0 ° ⁇ ⁇ x + ⁇ y (2)
- the third invention is a bed having a back raising portion for raising the back side of a sleeper, a bed support for supporting the bed, and a head raising side of the back raising portion to incline.
- a sleeping position control bed system including a back raising drive unit, the back raising unit having a back receiving surface and a head receiving surface that can be adjusted to different inclination angles;
- the inclination angle of the back support surface is ⁇ x when the inclination elevation is 0 °
- the inclination extension line of the back support surface at the inclination angle ⁇ x is the reference 0 °
- the back-raising drive unit raises the back support surface and the head support surface so as to satisfy the following Expression 3: It is a sleeping posture control bed system. [Equation 3] 2 ° ⁇ ⁇ x ⁇ 85 °, and ⁇ 45 ° ⁇ ⁇ y ⁇ ⁇ 2 °, and 0 ° ⁇ ⁇ x
- the lowering angle of the head support surface with respect to the back support surface is 2 ° or less ( ⁇ 2 ° as elevation angle) and the angle (elevation angle) of the head support surface with respect to the horizontal plane (plane orthogonal to the vertical line) is 0 ° It is defined that it becomes more than. That is, in this configuration, it is possible to lower the head by 2 ° or more with respect to the human body center line penetrating the trunk by tilting the back support surface by 2 ° or more, but the condition that the head is not lowered relative to the horizontal surface is maintained. It can be done.
- the lower limit of ⁇ x may be 2 ° or more, but for example, 3 °, 5 °, 7 °, or 10 ° or more in order to enhance the airway dilation effect.
- the bed support includes a bed tilting drive unit for tilting the bed.
- the body main body and the head are bent in a "H" shape through the neck by the back support surface and the head support surface, and the bed inclination drive unit is driven to incline the bed. Face upwards. For example, if you are lying down, even if you have hypopnea or snoring, you can direct the face to face upwards and bend the neck part in a “ ⁇ ” shape to directly expand the airway. Can relieve hypopnea and snoring.
- the sleeping posture control bed system further comprises: a sleeping person on the bed The ⁇ x and the sleep abnormality determination unit determine the presence / absence of sleep abnormality based on the monitoring data of the sleep monitor unit monitoring the sleep state, and the ⁇ x based on the determination result of the sleep abnormality determination unit and a back-raising tilt control unit configured to drive and control the back-raising drive unit so as to determine ⁇ y and to satisfy the determination condition.
- bedridden patients etc. have extremely low number of body movements, but it can not be improved on their own.
- people who have chronic diseases such as low back pain and shoulder pain and patients who have just after surgery sometimes suddenly feel pain and wake up due to unconscious position change during sleep, but it is said that the above configuration Sleep monitoring unit, sleep abnormality determination unit, tilt drive control unit, back-raising drive unit and / or bed tilt drive unit cooperate with one another regularly, intermittently or optionally Act to improve sleep quality.
- snoring occurs because the tongue base and the soft palate lower down due to muscle relaxation during sleep, and a part of the airway is obstructed, so when snoring occurs, snoring occurs as in the case of sleep apnea. Often improve.
- bruxism tends to occur when sleeping sideways or lying down, and is less likely to occur when sleeping on supine, bruxism often improves when it is supine when bruising occurs.
- turning the head back on the back often improves both.
- the sleep monitoring unit monitors the state of the sleeper, and the sleep abnormality determining unit determines the presence or absence of sleep abnormality (such as apnea, hypopnea, snoring, bruxism, etc.).
- sleep abnormality judging unit judges that there is an abnormality
- the back-raising inclination control unit drives the back-raising driving unit based on the information to satisfy the condition of the above equation 1, 2 or 3 while Lift and tilt the back support surface and the head support, and drive the bed to tilt.
- the sleeping posture control bed system further monitors the sleeping state of the sleeping person on the bed.
- the ⁇ x and ⁇ y are determined based on the monitoring results of the sleep abnormality determining unit that determines presence or absence of sleep abnormality based on monitoring data of the sleep monitoring unit, and the determination results of the sleep abnormality determining unit.
- a back-raising tilt control unit that drives and controls the back-raising drive unit such that the determination condition is satisfied, and the back-raising tilt control unit determines the ⁇ x and the back elevation tilt control unit based on the determination result of the sleep abnormality determining unit. While determining ⁇ y, the tilt direction and tilt angle of the bed are determined, and the back-raising drive unit and / or the bed tilt drive unit are drive-controlled so that the respective determination conditions are satisfied.
- the back-raising tilt control unit cooperates with the sleeping person to make the sleep of the back-raising portion and the tilt of the bed in the left-right direction or the front-rear direction
- the back-raising drive unit and the bed tilting drive unit are drive-controlled to operate. This makes it possible to drive more finely in response to the condition of the sleeping person.
- the back support surface and the head support may be appropriately lifted and inclined (for example, inclined at 2 ° to 15 ° or 3 ° to 30 °), and the back and head of the sleeping person may be Bend in the shape of a letter.
- the bed is inclined in any direction, for example, 2 ° to 8 °, preferably 2.5 ° to 5 °, to guide the face upward.
- the bed is inclined in any direction, for example, 2 ° to 8 °, preferably 2.5 ° to 5 °, to guide the face upward.
- the sleeping posture control bed system according to the seventh invention further comprises: A head detection unit is provided to detect whether or not the surface is present.
- the detection result of the head detection unit can be displayed on the display, or if the sleeper's head does not exist on the head support surface, the sleeper's sleeping posture is achieved by, for example, sounding a warning buzzer.
- the sleeping posture control bed system further includes sleeping on the head receiving surface.
- a face orientation determination unit is provided to detect and determine whether the person's face is in the supine, right downward, left downward, or face down state.
- the bed system is properly understood by knowing the sleeping person's face orientation (up (up), right down, left down, face down (down)) to the head support surface Drive control.
- the back-raising inclination control unit drives and controls the back-raising driving unit and the bed inclination driving unit based on the information determined by the face direction determining unit. For example, when the face direction of the sleeper is downward to the right, the sleeping posture of the sleeper can be guided upward or downward to the left by tilting the bed in a direction in which the left shoulder of the sleeper is lowered.
- the head detection unit or the face orientation determination unit can be formed of, for example, a pressure detection sheet in which a large number of sections are provided in a grid.
- a pressure detection sheet in which a large number of sections are provided in a grid.
- the ninth invention relates to the sleeping posture control bed system according to the fifth or sixth invention, wherein the sleeping posture control bed system further includes a sleeping person's head on the head receiving surface.
- a head detection unit for detecting whether or not the face is present; and a face direction determination unit for detecting whether the sleeper's face is facing up, right down, left down, or face down against the head support surface;
- the head detection unit further includes a head position detection function for detecting in which section of the head support surface the sleeper's head is present, and the back elevation tilt control unit is the head detection unit.
- the tilt angle of the head support surface and the tilt direction of the bed are determined based on the head position information from the head position information and the information on the face direction from the face direction determination unit, and the back-raising drive unit and / or the bed tilt
- the drive unit is driven and controlled.
- the predetermined action of the present invention is achieved. It is difficult to get the effect.
- the back-raising drive unit and / or the bed-tilt drive unit can be driven and controlled appropriately and appropriately, so that the predetermined effects and advantages of the present invention can be obtained.
- the sleeping position of the sleeping person on the bed is biased and the head position is biased to the right side of the head receiving surface
- the slope is controlled so that the right side is lowered, since there is a risk of coming out from the side.
- the negative value of [ ⁇ x + ⁇ y] is large (for example, more than -10 ° or more than -20 °)
- the burden on the neck increases, and an accident such as neck sprain may occur.
- the head support surface is divided into, for example, three sections of “right”, “center”, and “left” (divided into 3 in the short side direction).
- the head support surface is divided into, for example, three sections “upper”, “central”, and “lower” (three divisions in the longitudinal direction of the bed).
- the head support surface is divided into nine sections, and nine sections of left 1 to 3, center 1 to 3, and right 1 to 3 are formed (for example, 3 is lower, 1 is upper).
- the sleeping posture is optimum when the center of gravity of the head is located at "center 2" including the area center.
- Tenth Invention monitors a sleeping state of a sleeper sleeping on the floor, a bed main body having a floor, a floor inclination drive unit for driving the floor to incline, and a bed.
- the floor surface is inclined and driven based on the determination results of the sleep abnormality determining unit which determines presence / absence of sleep abnormality based on the monitoring data of the sleep monitoring unit;
- a tilt drive control unit configured to control the floor tilt drive unit as described above.
- This configuration is different from the sixth invention, and does not have a back-raising portion but is generally similar in other points. According to this configuration, substantially the same effects as described in the fourth and sixth aspects of the invention can be obtained with regard to the operational effects other than the airway dilation effect based on the spine raising portion.
- a known hanging structure bed Japanese Patent Application Laid-Open No. 2009-89860
- other known bed framework structure can be used.
- the configuration of the floor inclination drive unit is not particularly limited, and, for example, the tilt state is generated using a drive unit that tilts the floor using oil pressure, a motor, or the like, oil pressure, a stopper (locking member), or the like. And holding means for holding.
- the sleep monitoring unit monitors and detects any one or more of monitoring elements that are indicators of sleep abnormality and the face orientation of the sleeping person.
- the monitoring elements include, for example, heart rate, blood pressure, body temperature, body surface temperature, brain waves, blood oxygen concentration, body movement rate, posture change, amount of CO 2 around the sleeping person, gas velocity around the sleeping person's mouth and nose There are snoring noises and noises.
- the sleep monitoring unit is arranged, for example, on a monitoring camera for monitoring the direction of the face of the sleeping person, a floor portion on which the head is placed or a mattress covering the portion or the mattress or pillows.
- electroencephalogram sensor electrocardiogram
- heart rate body surface temperature
- body trunk for monitoring pressure sensitive sheets or 3-axis sensors attached to the head and monitoring elements that are indicators of sleep abnormality
- a biosensor that can measure and record the 3-axis acceleration in real time, a pulse oximeter that can monitor the pulse rate and percutaneous arterial blood oxygen saturation (SpO 2 ), a sheet-like multipoint pressure sensor that can monitor body movement, a body Sensors such as dynamic radio sensors, surveillance cameras, air flow rate sensors, gas component sensors, sound sensors, and vibration sensors are arranged.
- the sleep abnormality determining unit includes a processing device such as a central processing unit and a storage device, and the information detected by the sleep monitoring unit and the determination reference information stored in the storage device The presence or absence of sleep abnormality and / or the type of sleep abnormality are determined by comparing and comparing.
- Types of sleep abnormality include, for example, apnea, hypopnea, snoring, bruxism, physical movement abnormality (too much or too little), body temperature abnormality (too low or too high temperature), abnormal blood pressure (hypertension, too low blood pressure), heart rate The number is abnormal (too much, too little) etc., and the judgment criteria information is, for example, the heart rate per unit time of a normal person, body movement speed, body surface temperature, blood oxygen concentration etc. It is standard information to be determined.
- the storage device may have any configuration as long as the processing device can access the storage device through a wired or wireless circuit, and the storage device itself may not be present at the installation location of the bed.
- the processing apparatus should just be a structure which acquires the monitoring information of a sleep monitoring part, and can perform a determination process, and the processing apparatus itself does not need to exist in the installation place of the said bed.
- the tilt drive control unit determines the face orientation of the sleeping person using the monitoring information of the sleep monitoring unit, and causes the floor surface to tilt and drive based on the determination information and the determination result of the sleep abnormality determining unit. Controls the floor inclination drive unit, and stores processing devices such as a central processing unit, face orientation determination information for determining face orientation, and software information for controlling the floor inclination drive. And a storage device. The tilt drive control unit determines the face direction by collating the face direction determination information stored in the storage device of the tilt drive control unit with the monitoring information of the sleep monitoring unit.
- the software information referred to here is, as described above, a direction in which the apnea can be improved by the floor surface inclination drive unit (for example, the sleeping posture of the sleeper is in the lateral position) when the determination result of the sleep abnormality determination unit is apnea.
- the sleeper when apnea or hypopnea is detected not in the supine position but in the lateral position, the sleeper is first guided to another body position (supine position or lateral recumbent position), and in this state no activity occurs. Monitor breathing or hypopnea. And in this state, when apnea or hypopnea does not improve, the position of the sleeping person is induced to a different position. Even if this does not improve apnea or hypopnea (apnea or hypopnea is detected), it is possible to make the sleeping person wake up from sleep by, for example, ringing a buzzer.
- the tilt drive operation procedure can be set arbitrarily, and the storage device constituting the tilt drive control unit stores software information for driving and controlling the floor tilt drive unit as such.
- the storage device constituting the tilt drive control unit stores software information for driving and controlling the floor tilt drive unit as such.
- Can be realized by An appropriate procedure may be determined for bruises and snores, and software information capable of causing such tilt drive operation may be stored in the storage device of the tilt drive control unit.
- the storage device may have any configuration as long as the processing device can access the storage device through a wired or wireless network.
- the processing device of the sleep abnormality determining unit may be configured to double as the processing device of the tilt drive control unit, and the storage device of the sleep abnormality determining unit may be configured to double as the storage device of the tilt drive control unit.
- a display or a red lamp or a buzzer is added to the above configuration, and when the sleep abnormality judging unit judges that the body movement number of the sleeping person is small, the display is displayed on the display or the red lamp is turned on.
- the nurse may optionally drive the bed floor inclined by ringing a buzzer or the like.
- the eleventh invention is the sleeping posture control bed system according to the tenth invention, wherein the sleeping posture control bed system includes a barycentric position detection unit for detecting a barycenter of a sleeper.
- the inclination drive control unit determines that the barycentric position of the sleeper on the floor is orthogonal to the inclination direction of the floor and is the floor surface.
- the tilt drive of the floor tilt drive unit is controlled so as to be positioned above the tilt floor center line including the area center point in the tilt direction.
- a gravity sensor and a multipoint pressure sensor can be provided on a bed body or a bed mat placed on the bed body, and an image capturing device is provided above the bed to perform image analysis.
- a configuration for obtaining the center of gravity can be adopted. With the above configuration including the center-of-gravity position detection unit, it is possible to prevent the sleeping person from falling off the bed due to the posture change.
- the twelfth invention relates to the sleeping posture control bed system according to the eleventh invention, wherein a floor surface is determined with reference to the barycentric position of the sleeping person when abnormality during sleep is determined.
- the inclination drive control unit controls the inclination drive of the floor inclination drive unit in the direction to reduce the inclination of the bed floor surface.
- the above-mentioned threshold value is determined in consideration of, for example, the size of the bed area and the mat characteristics (slipperiness, compression / repulsion characteristics, compression ratio) and the like in the physical strength and the pathological condition of the sleeping person.
- the Thirteenth Invention relates to the sleeping posture control bed system according to the tenth invention, wherein the sleeping posture control bed system is a bed longitudinal direction in which the floor surface is in the bed longitudinal direction.
- the first tilt axis can be tilt driven with the first tilt axis as the tilt center, and can be tilt driven with the second tilt axis orthogonal to the first tilt axis as the tilt center.
- the sleeper usually lies in a supine position on the bed with the head directed to one side of the bed and the foot to the other. Therefore, by tilting the floor surface with the first tilt axis as the tilt center, it is possible to change the position of the center of gravity with respect to the floor surface of the sleeping person. For example, the supine position can be changed to the lateral position. In this case, if the bed floor is inclined left and right and back and forth, for example, the floor surface is inclined with the second inclination axis as the inclination center and the floor surface is inclined with the first inclination axis as the inclination center. Easy to change position.
- the upper body of the sleeper can be raised to have a meal.
- the bed longitudinal direction facing the bed longitudinal direction means one side (head side) of the rectangular floor surface and the other side (foot side side) opposite thereto. It means the direction of the line connecting the arbitrary points above. Therefore, the first tilt axis is not necessarily parallel to the center line (longitudinal center line) that bisects the area of the bed floor surface to the left and right. However, it is also possible to match the longitudinal center line with the first tilt axis.
- the fourteenth invention is the sleeping posture control bed system according to the thirteenth invention, wherein the sleeping posture control bed system includes a center of gravity position detection unit for detecting the center of gravity of the sleeping person.
- the tilt drive control unit is based on the barycentric position of the sleeping person when the sleep abnormality is determined, and when the barycentric position after the floor tilt moves beyond the threshold, the tilt of the bed floor is determined.
- the tilt drive of the floor tilt drive unit is controlled in the decreasing direction.
- the center-of-gravity position detection unit that detects the center of gravity of the sleeping person in the above configuration is configured using, for example, a center-of-gravity sensor, a multipoint pressure sensor, a body movement radio wave sensor, a surveillance camera, or the like.
- a center-of-gravity sensor for example, the strongest pressure is sensed and the portion is taken as the center of gravity.
- the center of gravity may be determined by image analysis.
- the sleeping posture control bed system in any of the sleeping posture control bed systems according to the tenth to fourteenth inventions, is placed on the floor surface. And the bed mat has a concave shape that is recessed from both ends in the mat width direction toward the central part along the bed longitudinal direction.
- a bed mat is disposed on the floor surface, and the shape of the bed mat is a concave shape recessed from both ends in the mat width direction toward the central portion along the bed longitudinal direction.
- the bed floor surface is inclined in the direction perpendicular to the longitudinal direction (left and right direction)
- the sleeper slips out of the bed mat when the bed floor is inclined in the direction perpendicular to the longitudinal direction (left and right direction).
- the two end portions in the mat width direction mean a pair of long sides.
- the sixteenth invention is the bed posture control bed system according to the fifteenth invention, wherein the concave shape in the cross section orthogonal to the bed longitudinal direction of the bed mat is an elliptical arc shape Configure
- the concave shape is an elliptical arc shape
- the curvature gradually increases from the bottom of the concave mat toward the left and right ends, so that it is difficult for the sleeper to feel discomfort, and the direction in which the bed floor is orthogonal to the longitudinal direction It is difficult for the sleeping person to slip out of the bed mat when leaning in the (left and right direction).
- it is an elliptical arc shape, it is possible to smoothly change the position of the sleeping person by the inclination in the left and right direction.
- the sleeping posture control bed system is placed on the floor surface.
- the compression rate of the central portion of the bed mat may be larger than the compression rate of both ends.
- the bed mat may have a concave shape, and in this case also, the concave shape may have an elliptical arc shape.
- a sleeping posture control bed system capable of automatically or arbitrarily regulating or guiding a sleeping posture according to the physical condition of a sleeper. Further, according to the present invention, it is possible to automatically monitor body movement or abnormality during sleep of the sleeping person, and when the abnormality during sleep is detected, the back support surface and head support surface are automatically raised and inclined, and / Alternatively, it is possible to provide a sleeping position control bed system capable of tilting the bed.
- Such a sleeping position control bed system of the present invention can assist in changing the position and center of gravity position of a sleeping person who can not turn over by themselves, and therefore can prevent bedsores (bed rubbing) of a bedridden patient.
- sleep abnormality such as apnea, hypopnea, snoring, bruxism, etc. held by the sleeping person can be resolved or improved.
- the bed position control bed system according to the present invention can be used in patients immediately after surgery, patients with forty and fifty shoulders, patients with back pain, patients with pain on one side of the body, patients with pain in one arm, etc. For a patient whose degree of pain varies depending on the sleeping posture, the sleeping posture can be held in a sleeping position where the pain is relieved.
- the present invention has the remarkable effect that the sleep quality of various sleep disorder patients can be improved.
- the posture of the patient can be maintained at a position with less load on the heart.
- FIG.3 (a) is the front view which looked at the bed main body concerning Embodiment 1 from the foot frame direction, (b) is the fragmentary top view which looked at the foot frame part from upper direction. It is the front view which looked at the bed main body concerning Embodiment 1 from the foot frame direction, and is a figure showing signs that the suspending member 15 inclines in the horizontal direction.
- FIG. 1 is a block diagram showing an overall configuration of a sleeping posture control bed system according to a first embodiment.
- FIG. 6 is a diagram for explaining the operation flow of the sleeping posture control bed system according to the first embodiment.
- FIG. 8 is a diagram for explaining a modification of the operation flow of the sleeping posture control bed system according to the first embodiment.
- FIG. 6 is a diagram showing a determination flow of sleep abnormality of the sleeping posture control bed system according to the first embodiment.
- FIG. 10 is a perspective view showing an overall image of a bed body according to a second embodiment.
- FIG. 7 is a block diagram showing an entire configuration of a sleeping posture control bed system according to a second embodiment.
- FIG. 10 is a partially enlarged perspective view of a sleeping posture control bed system according to a second embodiment.
- Fig.13 (a) is a plane conceptual diagram which shows the state which laid the columnar mat unit on the bed main body floor surface concerning Embodiment 2
- FIG.13 (b) is the AA arrow cross section of FIG. 13 (a).
- FIG. FIG. 8 is a diagram showing an operation flow of a sleeping posture control bed system according to a second embodiment.
- FIG. 8 is a block diagram showing an entire configuration of a sleeping posture control bed system according to a third embodiment.
- FIG. 13 is a diagram showing an operation flow of a sleeping posture control bed system according to a third embodiment.
- FIG. 13 is a diagram showing an operation flow of a sleeping posture control bed system according to a third embodiment.
- FIG. 14 is a diagram showing an operation flow 2 of the sleeping posture control bed system according to the third embodiment.
- FIG. 14 is a diagram showing an operation flow 3 of the sleeping posture control bed system according to the third embodiment.
- It is a perspective view of the bed main body of the sleeping posture control bed system concerning Embodiment 4.
- FIG. It is a front perspective view of the bed main body of the sleeping posture control bed system concerning Embodiment 5.
- FIG. 18 is a diagram showing a determination flow of sleep abnormality of the sleeping posture control bed system according to the sixth embodiment. It is a cross-sectional view which shows the modification of the bed mat of the sleeping posture control bed system which concerns on Embodiment 7.
- 21 is a cross-sectional view showing a modification of the bed mat of the sleeping posture control bed system according to the eighth embodiment. It is a modification of the back support surface part concerning Embodiment 1, and is a perspective view for demonstrating the back support surface which can be expanded-contracted to a longitudinal direction. It is a figure explaining the member which enables expansion and contraction of the back support surface, (1) is a sectional view explaining the internal structure of the back support surface vertical frame basic shaft member, (2) is the internal structure of the back support surface vertical frame telescopic member (3) is a figure explaining the state in which the back support surface vertical frame expansion-contraction member was screwed together with the back support surface vertical frame basic shaft member.
- FIG. 1 shows an overall view of a sleeping posture control bed system 1 according to a first embodiment of the present invention, which comprises a bed main body 10 and a control operation unit 11.
- the bed body 10 is composed of a bed on which a sleeper lies and a bed support supporting the bed.
- the basic framework of the bed is between the horizontal frame members 28 and 28 and the vertical frame members 27 and 27 connecting the both ends of the horizontal frame members 28 and 28, and the vertical frame members 27 and 27 connecting the horizontal frame members to each other
- the frame is configured to be suspended by suspension members 15 and 15 attached to the reinforcing members 32 of the head frame 12 and the foot frame 13, respectively.
- the upper surface of the bed made up of this framework is the "floor" on which the sleeping person lies, either directly or indirectly.
- the bed comprises a head receiving surface 17, a back receiving surface 16, a waist receiving surface 20, a thigh receiving surface 24, and a lower thigh receiving surface 25 (see FIG. 2).
- These receiving surface members are rotatably connected between the adjacent receiving surface members.
- a knee bending drive (actuator 21) for driving to lift is disposed at an appropriate position inside the vertical frame member 27.
- a pressure-sensitive sheet 36 serving as a face orientation determination unit that doubles as a head detection unit is disposed on the head support surface unit 17.
- This sheet is a pressure detection sheet in which a large number of sections are provided in a grid pattern, and when a load is applied, current flows in proportion to the size of the load in each grid pattern, and the pressure distribution pattern is known It is structured.
- the storage unit of the control operation unit 11 stores in advance detection information of the head position and information for detecting the face direction (face direction detection pattern), and the shape of the detected pressure distribution pattern and the storage of the control operation unit 11 By comparing the information stored in the unit, it is possible to determine the presence or absence of the head, the direction of the face, and the position of the head.
- the bed support for supporting the bed includes two or more head hood frame connecting members connecting the head frame 12 and the foot frame 13 with the inverted U-shaped head frame 12 and foot frame 13 having the foot 30 on the lower side 29, a bed vertical movement drive unit (actuators 22 and 23) for moving the bed up and down, and a stoppered roller 33 attached to the lowermost end of the foot 30.
- a reinforcing member 32 is welded to each of the head frame 12 and the foot frame 13 of such a bed support as shown in FIG. 3A, and in the vicinity of the tops of the reinforcing members 32 and 32, as shown in FIG. As shown in b), the hanging members 15, 15 are pivotally supported by the rotating shaft pins 14, 14, and are suspended.
- FIG. 3 (a) is a front view of the bed main body when the bed main body is viewed from the outside of the foot frame 13
- FIG. 3 (b) is a plan view of the foot frame 13 part viewed from above. .
- the bed left-right tilt drive unit 26 is attached to the hanging member 15, and this makes it possible to tilt the bed in the left-right direction (rotation around the rotation shaft pin 14) (FIG. a), (b)).
- the bed vertical movement drive unit 23 head frame side is 22
- the bed left and right tilt drive unit 26 the head support surface drive unit 19, the back raising surface drive unit 18, and the knee bending drive unit 21
- the control operation unit 11 is connected to the control operation unit 11, and drive control of the control operation unit 11 is transmitted to each drive unit.
- the drive part 26 for bed left-right inclination is attached only to the suspension member 15 by the side of the foot frame 13, you may attach to the head frame 12 side, and you may attach to both.
- FIG. 6 shows a block diagram of the bed system according to the present embodiment.
- the bed system includes a bed main body 101 having a bed and a bed support, a sleep monitoring unit 102, a sleep abnormality determining unit 103, a back-raising inclination control unit 104, a back-raising driving unit 105, and a face orientation determination. And a head position detection unit 107. Then, under the control of the back-raising inclination control unit 104, the back-raising driving unit 105 is driven to back up.
- the sleep monitoring unit 102, the sleep abnormality determining unit 103, the back-raising inclination control unit 104, the face orientation determining unit 106, and the head position detecting unit 107 are elements constituting the control operation unit.
- the sleep monitoring unit 102 monitors and detects any one or more of monitoring elements that are indicators of sleep abnormality.
- Monitoring elements include, for example, heart rate, blood pressure, body temperature, body surface temperature, brain waves, blood oxygen concentration, body movement rate, posture change, CO 2 amount around the sleeping person, gas velocity around the sleeping person's mouth and nose,
- the sleep monitoring unit may include, for example, an overnight sleep polygraphy or an electroencephalogram sensor, or an electrocardiogram, a heart beat, a body surface temperature, and a three-axis acceleration (posture).
- a biosensor that can measure and record in real time a pulse oximeter that can monitor pulse rate and percutaneous arterial blood oxygen saturation (SpO 2 ), a sheet-like multipoint pressure sensor that can monitor body movement,
- one or more sensors such as a body movement radio wave sensor, a monitoring camera, an air flow velocity sensor, a gas component sensor, a sound sensor, a vibration sensor, etc. are disposed around the bed main body.
- the sleep abnormality determination unit 103 determines the presence or absence of a sleep abnormality based on monitoring data of the sleep monitoring unit 102, and information detected by the sleep monitoring unit 102 and determination criterion information stored in the storage device.
- the presence or absence of sleep abnormality may be determined by comparing and comparing with and the type of sleep abnormality may be further determined.
- the head position detection unit 107 detects the presence or absence of the head of the sleeper on the head support surface and the head position. This detection is performed by using information of the head detection unit provided on the head support surface and collating with the information stored in the storage device.
- the face orientation determination unit 106 determines the face orientation of the sleeping person.
- a surveillance camera is used as a main element of the head position detection unit 107 and the face orientation determination unit 106, and information captured by the surveillance camera is collated with information stored in the storage device. It can be done by Further, for example, the pressure distribution information of the pressure-sensitive sheet 36 (see FIG. 5) provided on the head support surface portion 17 can be compared with the information stored in the storage device.
- the back-raising inclination control unit 104 determines the inclination angles of the back support surface and the head support surface based on the monitoring data of the sleep monitoring unit 102 and the detection determination information of the head position detection unit 107 and the face direction determination unit 106. And tilt. Then, the inclination angle ⁇ x of the back support surface and the inclination angle ⁇ y of the head support surface at a certain point are stored in the memory provided in the back elevation control unit 104, or the back support surface and / or the head support surface.
- the inclination angles of the backrest inclination control unit 104 are configured to store the number of inclination steps of the back support surface and the number of inclination steps of the head support surface in a counter provided in the back-up inclination control unit 104.
- the bed or the pillow is omitted. It is drawn.
- the pressure-sensitive sheet if the mattress or the like interposed between the floor surface and the sleeping person is an obstacle, the pressure-sensitive sheet is on the mattress or pillow Place on top of the in this case, for example, the number of inclination steps of the back support surface and the number of inclination steps of the head support surface can be adjusted in consideration of the thickness of a cushion or the thickness of a pillow, or a surveillance camera is arranged on the bed side
- the back support surface and the head support surface can be determined under the following formula 1, 2 or 3 in a state in which the degree of flexion can be determined from the image of the head and the head, and a mattress etc. do not intervene between the sleeping person and the floor surface.
- the tilt angles of the back support surface can be determined under the following formula 1, 2 or 3 in a state in which the degree of flexion can be determined from the image of the head and the head, and a mattress etc. do not intervene between the sleeping person and the floor surface.
- a mattress or mattress placed on the floor it is preferable to use one having a structure that can be easily bent, for example, one having a structure that can be locally bent (for example, a mattress in which a joint is formed, bending Use a cut-out natural rubber or urethane foam mattress or the like for ease of use, and place it on the bed floor surface so that the bent portion and the bent portion of the bed surface coincide.
- a structure that can be locally bent for example, a mattress in which a joint is formed, bending Use a cut-out natural rubber or urethane foam mattress or the like for ease of use, and place it on the bed floor surface so that the bent portion and the bent portion of the bed surface coincide.
- fastening means such as fasteners, buttons and bands. it can.
- back-raising inclination control unit 104 supports the back support surface and the head support only when the improvement effect of the sleep abnormality can be expected.
- a warning is issued to the sleeping person or the assistant with a buzzer, or a processing such as displaying a warning mark on the display is performed without performing the inclination. Is preferred.
- processing such as issuing a warning is performed as described above.
- the back support surface and the head support surface are inclined to expand the airway, and in this state apnea or hypopnea Monitor. If the head is not supine, the head position is not located in the vertical central area of the head support surface, or the inclination of the head support surface (minus elevation angle) is sequentially increased and maximized, but the sleep abnormality is not improved thereafter In this case, the system is configured to sound a buzzer to alert the assistant or to wake the sleeping person.
- the tilt drive conditions and the operation procedure can be set arbitrarily, and the tilt drive conditions and the operation procedure are driven as such for the storage device configuring the back lift tilt control unit 104.
- Software information for driving and controlling the unit 105 may be stored in advance.
- the back-raising drive unit 105 is a drive unit for inclining the upper body of the sleeper, and includes a back-receiving surface driving unit for inclining the back-receiving surface and a head receiving surface driving unit for inclining the head receiving surface.
- the back raising drive unit 105 controls the back support surface drive unit and the head support surface drive unit to bend the back support surface and the head support surface into a “ ⁇ ” shape, thereby allowing the sleeper to sleep.
- the neck and the neck can be bent in the shape of a "h" at the neck part, and the head of the sleeper can be lowered.
- the back support surface drive unit is configured by, for example, an actuator 18, and the head support surface drive unit is configured by, for example, an actuator 19.
- the storage device may have any configuration as long as the processing device can access the storage device through a wired or wireless network.
- the processing device of the sleep abnormality determining unit 103 may be configured to double as the processing device of the back-raising inclination control unit 104, and the storage device of the sleep abnormality determining unit 103 is the storage device of the back-raising inclination control unit 104.
- the configuration may be combined.
- the control operation unit 11 is, for example, a computer including an arithmetic unit, a control unit, a storage unit, an input unit, an output unit for generating a warning sound, a switch for switching ON / OFF, and a display unit for displaying a control state.
- the arithmetic device and the storage device may be configured to serve as the sleep abnormality determination unit 103, the back-raising inclination control unit 104, the face orientation determination unit 106, and the head position detection unit 107.
- a device, a storage device, and the like may be provided.
- the storage device may store the sleep monitoring information, and the doctor may acquire the information through a communication line, an external memory or the like, and use this information to perform a diagnosis for sleep abnormality.
- an actuator is used for the back-raising drive unit 105.
- the drive unit is not limited to the actuator, and any drive method may be used as long as it can realize a motion that matches each drive purpose.
- the inverted U-shaped frames 12 and 13 having two foot portions can slide two kinds of pipes, ie, a main body composed of a large diameter pipe and a foot portion composed of a small diameter pipe.
- an actuator or motor-driven helical mechanism or gear mechanism that can move up and down in synchronization with the bed vertical movement drive unit (actuator 23) in the pipe. Good.
- FIG. 2 shows the bed system with the back support surface 16, head support surface 17, thigh support surface 24, and lower thigh support surface 25 of the bed lifted.
- the inclination angle ⁇ x of the back support surface is 10 °
- the inclination angle ⁇ y of the head reception surface with respect to the back support surface is -10 ° (under this condition, the head reception surface is parallel to the bed installation surface
- the thigh support surface angle is 12 °
- the lower thigh support surface angle is ⁇ 10 ° with respect to the thigh support surface.
- ⁇ y has a negative value when it is below the inclined extension line of the back support surface.
- the angle of the back support surface 16 and the magnitude of the inclination angle of the head support surface 17 with respect to the back support surface 16 are factors that greatly influence the abnormality during sleep, set appropriately according to the condition of the sleeping person There is a need.
- the head in a patient with severe sleep apnea syndrome, the head needs to be greatly bent (bent in the negative direction) to secure the airway, but in the present invention, the head is only largely bent in the negative direction (
- ⁇ x and ⁇ y are appropriately set in accordance with the age, health condition, disease state, medical condition and the like of the sleeping person.
- [ ⁇ x + ⁇ y] is selected from 0 ° or more, preferably more than 0 °, 2 ° or more, 5 ° or more, 7 ° or more, 10 ° or more.
- the lower limit of ⁇ y is ⁇ 45 °, preferably 30 °, 20 °, 10 °, 5 °, 3 °, or the like.
- a bedridden elderly person is to be applied, for example, ⁇ 20 ° ⁇ ⁇ y ⁇ 3 °.
- the back support surface is inclined to make it between the back support surface and the head support surface.
- the “H” form of flexion allows the airway to be expanded while maintaining the head at a higher elevation than the heart. Therefore, since the head does not fall below the horizontal surface and excessive blood flows into the head, the airway can be expanded without putting a burden on the sleeper.
- the driving of the back support surface portion 16 and the head support surface portion 17 is performed by the two drive portions (back lift surface drive portion 18 and head support surface drive portion 19).
- the respective driving units are configured to be driven while satisfying the inclination conditions set by the control operation unit 11 so as to be separately driven.
- it is not limited to this configuration.
- the head support surface portion 17 is lifted in conjunction with this. It can be done.
- the same structure can be adopted for the thigh support surface portion 24 and the lower leg support surface portion 25.
- the inclination of the head support surface 17 can be adjusted by making one or more of the elements of the four-joint rotation mechanism variable. Also, if the head support surface portion is provided with a drive unit (for example, an actuator), the inclination of the head support surface can be freely controlled.
- a drive unit for example, an actuator
- the head of the sleeper is positioned on the head support surface 17 when the head support surface 17 of the back support surface 16 is lifted and inclined.
- the vertical length (length in the longitudinal direction of the bed) of the back support surface portion 16 can be expanded and contracted in accordance with the trunk length of the sleeping person.
- FIGS. 24 and 25 (1) to (3) show a state in which the vertical length of the back support surface portion 16 is the shortest.
- the back support surface vertical frame 602 comprises a back support surface vertical frame base shaft member 602a and a back support surface vertical frame telescopic member 602b which slides inward into this member.
- a rotary rod 603 Configured In the inner space of the back support surface vertical frame base shaft member 602a, a rotary rod 603 having a helical groove formed on the outer periphery is disposed with its tip facing the opening side, and a motor 604 for driving the rotary rod in the back of the space.
- the motor 604 is connected so as to be controllable by the control operation unit 11.
- the back support surface vertical frame expansion and contraction member 602b has a cavity inside, and a groove is formed in the inner wall of the cavity to be engaged with the helical groove of the rotary rod 603.
- a back support surface vertical frame telescopic member 602b is fitted on the back support surface vertical frame basic shaft member 602a so that the groove is paired with the helical groove of the rotary rod 603, and the back support surface portion 16 is configured.
- FIG. 25 (3) shows a state in which the back support surface vertical frame telescopic member 602b is fitted into the back support surface vertical frame basic shaft member 602a.
- the back support surface portion 16 of this structure can adjust the vertical length of the back support surface portion 16 according to the trunk length of the sleeper by forward and reverse rotation of the motor 604, the head of the sleeper is positioned on the head support surface portion 17.
- the assistant operates the control operation unit 11 while looking at the backrest state of the sleeping person and the position of the head.
- a computer provided in the control operation unit 11 is configured to automatically control the rotation direction and the rotation amount of the motor 604 in response to information from a head position detection unit (see FIG. 6) described later.
- the diameter of the member on the back support surface vertical frame expansion and contraction member side can be extended and contracted so as to be able to expand and contract following the expansion and contraction of the back support surface portion 16. It is preferable to make the structure smaller than the members so as to be able to slide-fit with each other, but the longitudinal reinforcing members 605 and 606 need not incorporate a telescopic mechanism using a rotary rod with a helical groove or a motor.
- the vertical reinforcing members 605 and 606 are not structured to follow the extension of the back support surface portion 16, but when the back support surface portion 16 is expanded, the members on the back support surface vertical frame telescopic member side and the back support surface vertical frame basic shaft A mode may be used in which a gap is formed between the member and the member.
- the head support surface portion 17 is driven by a drive power (actuator or the like) different from that of the back support surface portion 16, the separate drive power can be adjusted to follow the expansion and contraction of the back support surface portion 16. For example, the arm length of the actuator is automatically adjusted.
- the longitudinal direction of the back support surface portion 16 may be an expandable bellows structure, and the expansion and contraction of the bellows may be adjusted by a spring mechanism that pulls the bellows from one side and a power mechanism that pulls the bellows from the opposite direction.
- FIG. 5 illustrates the sleeping person lying directly on the bed floor surface for ease of explanation
- the bed floor surface is often covered with a futon or mattress, and a pillow is used on the head.
- a mattress or mattress that is easily bent in the form of a “he” in which a crease is provided at the boundary between the back receiving surface and the head receiving surface. If you use a flat mattress or mattress that is generally used in a uniform heat, and do not use a pillow, calculate the crossing angle of the two practically by the angle of the back support surface and the head support surface. Although it is good, if compression of a mattress or the like due to the weight of the sleeping person can not be ignored, it is preferable to perform angle correction accompanying the compression.
- the angle adjustment of Equations 1 to 3 is performed.
- the degree of inclination of the head (degree of neck flexion) with respect to the body central axis (see FIG. 5) is equivalent to that in Equations 1 to 3 above.
- the angle of inclination of the head support surface is increased or decreased (the angle of Equations 1 to 3 described above is increased or decreased) by the use of a mattress, mattress and pillow.
- the relationship between the sleeping posture of the sleeping person and the movement of the back support surface 16, head support surface 17, thigh support surface 24, lower leg support surface 25 will be described with reference to FIG.
- the plane on which the sleeping person sleeps is usually horizontal (plane perpendicular to the vertical axis), on which the sleeping person lies (arrow a in FIG. 5).
- the back raising surface drive unit 18 and the head support surface drive unit 19 are number 1, number 2, or number based on the command of the control operation unit.
- the back support surface part 16 and the head support surface part 17 of the bed sleeper are lifted (Fig. 5, arrows b, c).
- the head is lowered and the jaws are protruded forward, and the airway of the sleeping person is expanded.
- the face orientation determination unit 106 and the head position detection unit 107 detect that the face orientation is not upward (supine position) or that the head position is not in the vertically central region of the head support surface unit 17. In this case, the warning sound can be generated without moving the back support surface portion 16 and the head support surface portion 17 up and down.
- the basic operation flow of the sleeping posture control bed system according to the first embodiment will be described with reference to FIG. 7 by taking as an example the case of monitoring sleep apnea syndrome as a sleeping abnormality.
- Step S101 This operation flow starts from the state where the back support surface and the head support surface are not inclined.
- the tilt state is reset (the floor is horizontal) by a switch provided in the control operation unit, and the counter storing the tilt stage is reset to 0.
- Step S102 the sleep abnormality determination unit detects the presence or absence of sleep abnormality using the monitoring information of the sleep monitoring unit. If there is an abnormality, the process proceeds to step S103. If there is no abnormality, the process proceeds to step S110.
- Step S103 the face orientation determination unit determines the orientation of the sleeping person's face based on the information of the head position detection unit. If the head is upward, the process proceeds to step S104. If not upward, the process proceeds to step S109.
- Step S104 the head position detection unit detects head position information on the head support surface. If the head is located in the vertical center region, the process proceeds to step S105. If it is not located, the process proceeds to step S109.
- Step S105 Next, based on the information of the counter, the inclination stages of the head support surface and the back support surface at the present time are confirmed. If the tilt phase is not at a maximum, the process proceeds to step S106. If it is the maximum, the process proceeds to step S109.
- Step S106 Since the head support surface and the back support surface can be further inclined, the head support surface and the back support surface are further inclined by one step to further secure the airway of the sleeping person. After this, the process proceeds to step S107.
- an inclination angle ⁇ x of the back support surface, an inclination angle ⁇ y of the head support surface, and an inclination angle ⁇ x + ⁇ y between the back support surface and the head support surface (at least one of Is stored in multiple stages, and the back-raising tilt control unit 104 uses this information to control the operation of the back-raising drive unit to control the back receiving surface and / or the head receiving surface. Drive to tilt.
- Step S107 In order to store the current stage of inclination in the counter, the number of inclination stages stored in the counter is stored by +1. After this, the process proceeds to step S108.
- Step S108 If the sleep processing is immediately shifted to monitoring of the sleep state before the sleep state recovers from the abnormality by the tilt processing, the head support surface and the back support surface may be inclined too much. For this reason, after the inclination processing, before returning to monitoring, it is checked whether a predetermined time has elapsed. If confirmed, the process returns to step S102 and shifts to continuous monitoring of the sleep state. If not confirmed, step S108 is repeated. A doctor, a nurse or the like can determine and store this predetermined time. For example, 3 minutes, 5 minutes, 10 minutes etc. can be set.
- Step S109 Any of (1) the face is not upward, (2) the head position is not in the vertical center area of the head support surface, and (3) the tilt state has already reached the maximum. It is. In these cases, even if the head support surface and the back support surface are inclined, there is no effect on recovery from the abnormality during sleep, or there is no room for further inclination of the head support surface and the back support surface. Therefore, a warning of sleep abnormality is given. For this purpose, it is possible to adopt a method of directly notifying a sleeper by a warning voice or vibration or the like or notifying a helper by a warning voice, vibration, a warning image or the like.
- Step S110 If there is no sleep disorder, check if there is an end signal.
- the termination signal can be performed by a switch OFF operation or by detecting that the sleeping person is out of bed. If there is no end signal, the process proceeds to step S102, and sleep abnormality is constantly monitored while detecting the presence or absence of the end signal. If there is, end processing is performed. Note that the end processing may be performed after the operation of resetting the tilt state is performed.
- Step S107 In order to store the current inclination stage in the counter, the number of inclination stages stored in the counter is stored as “+1” and the inclination processing time is stored in the timer. After this, the process proceeds to step S108.
- Step S110 If there is no sleep disorder, check if there is an end signal. As an end signal, it can carry out by switch OFF operation, non-detection of a sleeper, etc. If there is no end signal, the process proceeds to step S111.
- Step S111 In the flow for transition to monitoring, it is determined whether the head support surface and the back support surface are inclined at the present time. If it is not inclined (the counter storing the inclination step is 0), the process proceeds to step S102 to monitor sleep abnormality constantly. If the counter storing the inclined step is not 0), the process proceeds to step S112.
- Step S112 The time of inclination is confirmed, and it is determined whether or not a predetermined time has elapsed from the inclination processing time.
- a doctor, a nurse, etc. can determine and memorize
- Step S113 The head support surface and the back support surface are inclined by one step, and the process proceeds to step S114.
- Step S114 In order to store the current stage of inclination in the counter, the inclination stage number stored in the counter is decremented by one, and the time of inclination processing is overwritten and stored in the timer. Thereafter, the process proceeds to step S102, and sleep monitoring is repeatedly performed.
- step S101 may be configured to be performed after it is detected that the switch has been turned off or that no sleeping person has been present (after step S110 and before the end of the flow).
- a memory for storing the longitudinal length of the back support surface portion 16 is provided in the back elevation tilt control unit 104 and the operation flow of FIG. It can be changed.
- step S101 along with resetting the counter and the inclined state, the vertical length of the back support surface portion 16 is returned to the initial state (the length when the back support surface is not inclined), and the memory for storing the vertical length is reset.
- the back-raising inclination control unit 104 determines the amount of change of the vertical length of the back support surface portion 16 using the software information stored in the storage device, and controls the operation of the back-raising driving unit 105 to The vertical length of the receiving surface portion 16 is changed.
- step S107 the vertical length of the back support surface portion at that time is overwritten and saved together with +1 of the counter.
- FIG. 9 is a diagram showing a determination flow of sleep abnormality.
- CO 2 concentration information in exhaled breath is monitored to determine the presence or absence of sleep apnea.
- Step S201 When the operation is started, first, the CO 2 concentration sensor constantly monitors the concentration of gas components around the mouth and nose of the sleeping person. If the concentration is less than the threshold (hypopnea or apnea), the process proceeds to step S202. If it is equal to or higher than the threshold, the process proceeds to step S204.
- the threshold hypopnea or apnea
- Step S202 If it is determined that it is less than the threshold, the determination unit calculates the time for which the less than the threshold continues. If the time for which the period below the threshold continues is equal to or greater than a predetermined value (for example, 10 seconds), the process proceeds to step S203. If the time to continue is less than the predetermined value, the process proceeds to step S204.
- a predetermined value for example, 10 seconds
- Step S203 If less than the threshold value continues for a predetermined value or more, it is determined that sleep abnormality is Yes because hypopnea or apnea is established.
- Step S204 If it is not less than the threshold value or if the value less than the threshold value does not continue beyond the predetermined value, it is not a hypopnea or apnea condition, so it is determined that the sleep abnormality No.
- controller may be further provided with a controller for freely controlling the tilt state by the user such as a sleeping person or a carer.
- FIG. 10 shows the bed main body of the sleeping posture control bed system according to the second embodiment of the present invention
- FIG. 11 shows the entire configuration (block diagram).
- a bed main body 501 (see FIG. 10) having a structure in which a bed unit 102 having a floor surface 120 is suspended, and a sleep of a sleeper sleeping on the floor surface 120.
- a sleep monitoring unit 502 that monitors a state
- a sleep abnormality determining unit 503 that determines presence / absence of a sleeping abnormality based on monitoring data of the sleep monitoring unit 502, and a floor surface that drives the bed unit 2 having a floor surface 120 to incline.
- a tilt drive control unit 504 that controls the floor tilt drive unit 505 to drive the floor surface 120 to tilt based on the determination results of the tilt drive unit 505 and the sleep abnormality determination unit 503, and the barycenter of the sleeping person on the floor
- a gravity center position detection unit 506 that detects a position is provided (see FIG. 11).
- the head support surface and the back support surface are lifted and inclined in the longitudinal direction of the bed (foot to head direction), but in the second embodiment, the entire floor surface of the bed is inclined in the lateral direction. It is characterized by
- the sleep monitoring unit 502 monitors and detects any one or more of monitoring elements that are indicators of sleep abnormality and the face orientation of the sleeping person.
- the monitoring elements include, for example, heart rate, blood pressure, body temperature, body surface temperature, brain waves, blood oxygen concentration, body movement rate, posture change, amount of CO 2 around the sleeping person, gas velocity around the sleeping person's mouth and nose There are snoring noises and noises.
- the sleep monitoring unit may be, for example, a monitoring camera for monitoring the direction of the face of the sleeping person, a floor portion on which the head is placed or a cushion covering the portion, a mattress, or the like.
- an electroencephalogram sensor for monitoring a pressure-sensitive sheet placed on top of the head, or a 3-axis sensor attached to the head, and a monitoring element which is an indicator of sleep abnormality.
- a biosensor that can measure and record the surface temperature and 3-axis acceleration of the trunk in real time, a pulse oximeter that can monitor the pulse rate and percutaneous arterial blood oxygen saturation (SpO 2 ), a sheet-like multipoint that can monitor body movement
- One or more sensors such as a pressure sensor, a body movement radio wave sensor, a monitoring camera, an air flow velocity sensor, a gas component sensor, a sound sensor, and a vibration sensor are disposed.
- the sleep abnormality determination unit 503 determines the presence or absence of a sleep abnormality based on monitoring data of the sleep monitoring unit 502, and includes a processing device such as a central processing unit and a storage device such as a hard disk drive and a flash memory. By comparing and detecting the information detected by the sleep monitoring unit 502 with the determination reference information stored in the storage device, presence / absence of abnormality during sleep, and / or type of abnormality during sleep judge.
- the determination reference information is reference information to be determined in relation to the monitoring element, and is, for example, the heart rate per unit time of a normal person, body movement number, body surface temperature, blood oxygen concentration, and the like.
- the type of sleep abnormality includes, for example, apnea, hypopnea, snoring, bruising, physical movement abnormality (too much or too little), body temperature abnormality (too low or too high temperature), abnormal blood pressure (hypertension, too low blood pressure) Heart rate abnormalities (too much, too little).
- the storage device may have any configuration as long as the processing device can access the storage device through a wired or wireless circuit, and the storage device itself may not be present at the installation location of the bed.
- the processing apparatus should just be a structure which acquires the monitoring information of a sleep monitoring part, and can perform a determination process, and the processing apparatus itself does not need to exist in the installation place of the said bed.
- the tilt drive control unit 504 determines the face orientation of the sleeping person using the monitoring information of the sleep monitoring unit 502, and inclines the floor based on the determination information and the determination result of the sleep abnormality determining unit 503. It is an element to control the floor inclination drive unit to be driven, and a processing device such as a central processing unit, information for judging face direction for determining the face direction, and software information to control the floor inclination drive unit And a storage device for storing the In the face orientation determination, the tilt drive control unit performs the face orientation determination information stored in the storage device of the tilt drive control unit by collating with the monitoring information of the sleep monitoring unit.
- the software information referred to here is, as described above, a direction in which the apnea can be improved by the floor surface inclination drive unit (for example, the sleeping posture of the sleeper is in the lateral position) when the determination result of the sleep abnormality determination unit is apnea.
- the bed i.e., the floor surface
- the inclination angle at this time is, for example, 7 degrees.
- the sleeper is first guided to the supine position, and in this state, the apnea or hypopnea is monitored.
- the tilt drive operation procedure can be set arbitrarily, and the storage device constituting the tilt drive control unit stores software information for driving and controlling the floor tilt drive unit as such. Can be realized by An appropriate procedure may be determined for bruises and snores, and software information capable of causing such tilt drive operation may be stored in the storage device of the tilt drive control unit.
- the storage device may have any configuration as long as the processing device can access the storage device through a wired or wireless network. Further, the processing device of the sleep abnormality determining unit may be configured to double as the processing device of the tilt drive control unit, and the storage device of the sleep abnormality determining unit may be configured to double as the storage device of the tilt drive control unit. Good.
- the floor inclination drive unit 505 inclines the floor surface of the bed main body 501 and holds the floor surface in an inclined state.
- the floor inclination driving unit 505 may be configured to integrally drive and hold, and a driving device that performs inclination driving of the floor and a holding device that holds the inclination of the floor are separately provided.
- the configuration may be provided.
- the tilt drive control unit 504 integrally controls the tilt / tilt holding operation of the floor tilt drive unit 505. Specifically, when the sleep abnormality determination unit 503 determines that there is a sleep abnormality, the tilt drive control unit 504 controls the operation of the floor tilt drive unit 505 so that the floor is in a tilt state. .
- a known control device such as a central control unit (CPU) can be used.
- the control device of the sleep abnormality determination unit 503 may double as the control device of the tilt drive control unit 504.
- the center-of-gravity position detection unit 506 detects the center-of-gravity position of the sleeping person.
- the barycentric position refers to a fulcrum capable of supporting the entire weight of the sleeper, and the barycentric position detector 506 detects the position of the projection point when the fulcrum is projected on the floor surface.
- the gravity center position detection unit 506 can adopt a configuration in which a gravity sensor and a multipoint pressure sensor are provided on a bed main body or a bed mat placed on the bed main body, and based on pressure distribution information of the gravity sensor or multipoint pressure sensor The projection point is calculated. Further, it is possible to adopt a configuration in which an image capturing device is provided above the bed, and a configuration in which the projection point where the center of gravity is projected on the floor surface is calculated by image analysis.
- the position information detected by the center-of-gravity position detection unit 506 functions as follows in relation to the inclination drive control unit 504 and the floor surface inclination drive unit 505.
- the barycentric projected point position of the sleeping person (the position detected by the barycentric position detection unit 506) when the sleep abnormality determining unit 503 determines that there is a sleep abnormality is orthogonal to the inclination direction of the floor surface 120 and of the floor surface 120.
- the inclination drive control unit 504 inclines the floor surface 120 via the floor inclination drive unit 505 so as to be located above the inclined floor surface center line (see FIGS. 10 and 11).
- the tilt drive control unit that obtains this information
- the tilt drive of the floor tilt drive unit 505 is controlled in the direction in which the bed 504 reduces the tilt of the bed floor 120. Such an operation can prevent the sleeping person from slipping off the bed due to the posture change.
- the threshold value is determined in consideration of the physical strength and condition of the sleeping person, the size of the bed area, the mat characteristics (slipperiness, compression repulsion characteristic, compression ratio) and the like. Further, the inclination of the floor surface 120 by the floor surface inclination drive unit 505 is sufficient if 0 ⁇ inclination angle ⁇ 30 degrees, and is usually about 0 to 7 degrees.
- the software information capable of causing the tilt drive operation in this manner may be stored in the storage device of the tilt drive control unit 504.
- the bed main body 501 is composed of a bed unit 102 and a bed support structure 102 'which is a support for suspending the bed unit 102 and includes driving means for tilting or moving the bed unit 102 up and down.
- the bed unit 102 includes a suspending member 108 for suspending the bed unit 102 from the bed supporting structure 102 ′, a floor surface vertical frame member 121 constituting the floor surface 120, a floor surface horizontal frame member 122, a floor surface supporting member 123, And a floor plate 120 ′ placed on the floor surface support member 123.
- floor-plate 120 'upper surface becomes the floor surface 120 in this structural example.
- the bed support structure 102 ' is a framework for suspending and supporting the bed portion 102 at two locations from the outside.
- the bed support structure 102 ' is an up and down movement drive means for moving up and down the up and down movable frame member 107, the up and down movable frame member 107, and the up and down movable frame member 107.
- 107a two stand frames 103 and 103 having leg portions 104 which can extend and contract on the installation floor side, a foot portion connecting frame 105 and a head foot connecting member 110 for connecting the foot portions of the stand frames, U at the top
- It comprises the vertical movement drive means 107a, the handrail 115 and the like.
- the tilt drive means 112a is an element constituting the floor tilt drive unit 505 shown in FIG. 11, and controls the tilt of the bed portion 102 (floor 120) via the tilt control member 112.
- the vertical movement drive means 107 a drives the bed unit 102 up and down.
- the tilt drive means 112a and the vertical movement drive means 107a may be any mechanism capable of tilt drive or vertical drive, and there is no particular limitation.
- a configuration integrated configuration in which driving and holding are performed by hydraulic pressure, or a configuration (separate configuration) in which a floor surface is locked and held in an inclined state by a locking member driven by a motor can be adopted.
- the inclination drive means 112a is composed of a gear and an electric motor
- the vertical movement drive means 107a is composed of a hydraulic cylinder and an electric pump.
- the control operation unit 130 includes an inclination drive control unit 504, a sleep abnormality determination unit 503, and a gravity center detection unit 506 shown in FIG. 11, and an input device (for example, a keyboard) for inputting conditions for driving control of the bed by the operator.
- an input device for example, a keyboard
- the tilt drive control unit 504 may be integrally formed with the floor tilt drive unit 505.
- the stand frames 103, 103 can slide a small diameter pipe (42 ⁇ mm, length 900 mm) with a U-shaped large diameter pipe (45 ⁇ mm, outer width 1200 mm, length of linear portion 1100 mm) It has a fitted structure, and is configured to expand and contract in the range of 100 to 550 mm in length of a foot portion (a small diameter pipe portion extending from a large diameter pipe).
- both pipes is not particularly limited.
- iron, aluminum, titanium, various alloys, plastics and the like can be used.
- the pipe diameter and size may be set appropriately. It is also possible to use two stand frames, each independent, not connected in a 'U' shape.
- connection and fixing method may be any method such as a method of welding a metal square to the foot, a method of connecting using a connection fixing tool, a method of directly screwing both members, and the like.
- the stand connecting frame 106 uses a 45 ⁇ mm, 1110 mm metal pipe as a stand connecting frame at a position 800 mm from the bottom with the length of the foot of the stand frame being minimized. It is fixed in the same way as in.
- the vertically movable frame member 107 fixes a hydraulic cylinder 107a as vertical movement driving means near the center of the foot connecting frame 105 in the longitudinal direction, and attaches a metal pipe of 45 ⁇ mm to the upper end of the hydraulic cylinder, and further The tip is connected and fixed near the center of the stand connection frame 106. Furthermore, in the example of FIG. 10, the center of the stand connection frame 106 and the U-shaped top portion are also connected by the same metal pipe.
- FIG. 12 is a partially enlarged view showing a connecting state of the bed portion 102 and the bed supporting member 102 '.
- FIG. 13 (a) is a top view showing how a plurality of columnar mat units 125 are laid on the floor 120 of the bed, and
- FIG. 13 (b) is a cross-sectional view taken along the line AA in FIG. 13 (a).
- one end of the suspending connector 108a is at the intersection of the vertically movable frame member 107 and the stand connecting frame 106.
- the main body of the suspending member 108 is pivoted in the direction (width direction) orthogonal to the bed longitudinal direction by fixing it and inserting the other end into a rolling bearing portion incorporating a sphere formed at the upper top of the suspending member main body. It is configured to be possible.
- the rolling bearing may be provided at the intersection of the vertically movable frame member 107 and the stand connecting frame 106. Also, as a method of making the suspension member pivotable, it is of course possible to use other known methods other than the rolling bearing method.
- the floor surface vertical frame member 121 and the floor surface horizontal frame member 122 that constitute the floor surface 120 are directly attached to the lower part of the lower end wide hanging member 108.
- a member connecting the both ends of the lower-end wide hanging member 108 may be disposed, and the bed floor may be placed on this member and suspended.
- the method of connecting the floor surface 120 and the hanging member 108 may be any method as long as it can stably support the combined weight of the bed body weight and the weight of the person using the bed, and the special limitation is Absent. For example, it can be a welding method or fastening with a bolt and a nut.
- the tilt control member 112 is attached to the shoulder of the hanging member 108 via a hinge 109 using a pin.
- the hinge 109 is used to smoothly rotate the hanging member 108.
- the tilt drive means 112 a of the tilt control member 112 is configured to be connected to an energy source (for example, a power supply device) of drive via a lead wire 131.
- the attachment position of the inclination control member 112 is not limited to the form shown in FIG.
- the tilt control member 112 may be configured by a drive unit that performs tilt drive, and a holding unit such as a pin or a brake that holds the tilt state.
- FIG. 13 (b) is a sectional view taken along the line AA in FIG. 13 (a).
- a plurality of columnar mat units (bed mat members) 125 having a circular cross section (for example, a diameter of 100 mm) are spaced from each other (a gap of about 2 to 20 cm) on the bed floor 120 It is laid out parallel to the bed width direction.
- the material of the columnar mat unit 125 is, for example, one in which polyurethane gel is filled in the internal cavity of a mat case made of natural rubber.
- the present invention is not limited to this configuration.
- the cylindrical mat unit 125 spreads in the lateral direction when the weight of the sleeper is bridged, and the space between the columnar mat units becomes a substantially flat surface, so that the sleeper sleeping on it hardly gives a sense of discomfort such as unevenness.
- the mat unit has a cylindrical shape, since the compression repulsion has a strong or weak change, a slight movement of the sleeper produces a massage effect on the skin and can improve the quality of sleep.
- the plurality of columnar mat units are floor surfaces laid apart from one another, the skin massage effect is advantageously exhibited, and the air permeability from the bottom to the top of the bed floor is improved.
- this material and shape are preferable from the viewpoints of both hygienic and sleep quality improvement, and for the purpose of preventing the adhesion of dirt, the case surface of the columnar mat unit made of natural rubber is made of resin film etc. having water repellency. It is further preferable to cover with a film of
- the material of the columnar mat unit is not limited to the above configuration.
- a mat case instead of using a mat case, only foam rubber may be used.
- polyethylene or the like can be used as the mat case, and as the fluid filled inside, gas, liquid (liquid, gel), powder, granules, etc. can be used.
- the shape of the columnar mat unit is not limited to a circular cross section, and may be an ellipse, a square, a polygon, a trapezoid, or the like.
- a circular, square or triangular columnar mat unit may be used in combination.
- columnar mat units having different heights and sizes may be used in combination.
- the floor plate 120 ' is used as the bed floor surface and the columnar mat unit is placed thereon, a net may be used instead of the floor plate. Also, a columnar mat unit or another bed mat may be placed directly on the floor surface support member 123 without arranging the floor plate 120 '.
- the bed portion 102 is rotatably suspended by the suspending member 108 on the bed supporting structure 102 ', and the bed portion 102 is tilt-controlled.
- the member 112 can be tilted in the left-right direction and a constant tilt state is maintained.
- the floor 120 on which the sleeper lies is inclined and tilted to induce the change of position of the sleeper.
- FIG. 14 is a diagram showing an operation flow of the sleeping posture control bed system according to the second embodiment.
- the case of monitoring sleep apnea syndrome as a sleep abnormality is described as an example.
- the left and right of the bed and the direction of the face of the sleeper both mean the direction when viewed from the sleeper who slept upward, and the direction when the bed is viewed from above It is reversed.
- Step S301 In order to start from a non-inclined state (horizontal state), an inclined state reset for leveling the bed is performed, and the stored inclination state level is reset.
- Step S302 Next, using the monitoring information of the sleep monitoring unit, the sleep abnormality determining unit detects the presence or absence of sleep abnormality. If there is an abnormality, the process proceeds to step S303. If there is no abnormality, the process proceeds to step S317.
- the contents of the determination (S302) of the presence / absence of sleep abnormality may be the same as steps S201 to 204 (see FIG. 9) of the first embodiment.
- Step S303 the tilt drive control unit compares the monitoring information of the sleep monitoring unit with the face direction determination information to detect the direction of the face of the sleeping person. If the face is facing upward, the process proceeds to step S304. If it is not upward, the process proceeds to step S316.
- Step S304 the gravity center position detection unit detects the gravity center position information. If the center of gravity is located in the left-right direction central region, the process proceeds to step S305. If it is not located, the process proceeds to step S307.
- Step S305 Next, using the tilt level memory information, the tilt state of the bed at the present time is confirmed. If it is inclined, the process proceeds to step S309. If not inclined, the process proceeds to step S306.
- Step S306 Next, using the tilt level storage information, it is determined whether the tilt state of the bed at the current time is maximum. If it is the maximum, the process proceeds to step S311. If not, the process proceeds to step S310.
- Step S307 In a state where the center of gravity is not in the central region, the current tilt state is confirmed. Step S312 if the side where the center of gravity does not exist (the right area side if the head is in the left area, the left area side if the center is in the right area) inclines downward, otherwise step S312 The process proceeds to step S308.
- Step S308 Since the position of the center of gravity is not in the central region, in this case, there is little risk of falling even if the user turns over to the side where the center of gravity does not exist. Since the side where the center of gravity does not exist is not inclined downward, the side where the center of gravity does not exist inclines the bed to the first lower level. After this, the process proceeds to step S314.
- Step S309 Since the position of the center of gravity is in the central region and the bed is not tilted, either one tilts the bed to the lower first level. After this, the process proceeds to step S314.
- Step S310 The position of the center of gravity is in the central region, and the bed is not maximal but inclined. In this case, the bed is inclined one more step in the same direction. After this, the process proceeds to step S314.
- Step S311 Since the position of the center of gravity is in the central region and the bed is in the maximally inclined state, the other side of the current side inclines the bed to the first level above. After this, the process proceeds to step S314.
- Step S312 Next, using the tilt level storage information, it is determined whether the tilt state of the bed at the current time is maximum. If it is the maximum, the process proceeds to step S313. If not, the process proceeds to step S316.
- Step S313 The position of the center of gravity is in either of the left and right regions, and the bed is not maximal but inclined. In this case, the bed is inclined one more step in the same direction. After this, the process proceeds to step S314.
- Step S314 Memorize the current inclination level. After this, the process proceeds to step S315.
- Step S315) If the sleep processing is immediately shifted to monitoring of the sleep state before the sleep state recovers from the abnormality by the tilt processing, the bed may be tilted too much. For this reason, after the inclination processing, before returning to monitoring, it is checked whether a predetermined time has elapsed. If the predetermined time has elapsed, the process returns to step S302 to shift to continuous monitoring of the sleep state. If it has not elapsed, step S315 is repeated. A doctor, a nurse, etc. can determine and memorize
- Step S316 There is sleep abnormality, and (1) the face is not upward, (2) the position of the center of gravity is in the left and right regions of the head support surface, and the reverse direction to the center of gravity is the state of maximum inclination downward.
- a warning of sleep abnormality is given.
- Step S317) If there is no sleep disorder, check if there is an end signal. As the end signal, it is possible to use a switch off operation or detection that the sleeping person is out of bed. If there is no end signal, the process proceeds to step S302, and sleep abnormality is constantly monitored while detecting the presence or absence of the end signal. If there is, end processing is performed.
- a flow may be employed in which the inclination is returned to the original state.
- “left inclines upward” is negative, “not inclined” is 0, and “right inclines upward” is stored as a positive value in the counter. After increasing the inclination, it is possible to adopt a method of performing processing to increase the absolute value.
- FIG. 15 is a block diagram showing an entire configuration of a sleeping posture control bed system according to a third embodiment.
- the present embodiment is the same as the configuration of FIG. 6 described in the first embodiment except that the bed tilt driving unit 708 is an essential component.
- the bed inclination drive unit 708 is a drive unit for inclining the bed of the bed main body 701 in the left-right direction. By tilting the bed in the left-right direction, it is possible to guide the sleeping position change.
- the bed inclination drive unit 708 is configured by a bed left and right inclination drive unit 26 (see FIG. 1) that rotates around the rotation shaft pin 14, for example.
- the back elevation inclination control unit 704 determines the inclination angles of the back support surface and the head support surface. Determine the tilt angle of the bed in the left and right direction and tilt it.
- the inclination angle ⁇ x of the back support surface, the inclination angle ⁇ y of the head support surface, and the inclination angle of the bed in the left-right direction at a certain point are stored in the memory provided in the back elevation control unit 704 or
- the inclination angle of the receiving surface, the inclination angle of the head receiving surface, and the inclination angle of the bed in the left-right direction are defined in multiple stages, and the counter provided in the back elevation inclination control unit 704
- the configuration is such that the number of inclination stages of the receiving surface and the number of inclination levels of the bed in the lateral direction are stored.
- 16 to 18 are diagrams showing an operation flow of the sleeping posture control bed system according to the third embodiment.
- Step S401 Since the back support surface, head support surface, and bed are not inclined, reset the stored tilt state level (horizontal direction) and reset the back support surface and head support surface to 0. And reset the tilt condition.
- Step S402 Next, using the monitoring information of the sleep monitoring unit, the sleep abnormality determining unit detects the presence or absence of sleep abnormality. If there is an abnormality, the process proceeds to step S403. If there is no abnormality, the process proceeds to step S419.
- Steps S403 to 405) the face orientation determination unit determines the orientation of the sleeping person's face based on the information of the head position detection unit. If the face is facing upward, transition to 1 flow, transition to right in the step S406, to left flow to 2 flow, in the case of none (downward) flow to 3 flow .
- Steps S406 and 407 the head position detection unit detects head position information on the head support surface (see FIG. 6). If the head is located in the right lateral direction, the process proceeds to step S420 to issue a warning. If the head is located in the left lateral direction area, the process proceeds to step S ⁇ b> 410. If the head is not located at any position (located in the lateral center direction area), the process proceeds to step S ⁇ b> 408.
- Step S408 Next, using the tilt level memory information, the tilt state of the bed at the present time is confirmed. If it is inclined, the process proceeds to step S409. When it does not incline, it transfers to step S413.
- Step S409 Next, using the tilt level storage information, it is determined whether the tilt state of the bed at the current time is maximum. If it is the maximum, the process proceeds to step S415. If not, the process proceeds to step S414.
- Step S410 While the position of the head is in the left lateral direction, confirm the current tilt. If the left area side is inclined upward, the process proceeds to step S411. If not, the process proceeds to step S412.
- Step S411 Next, using the tilt level storage information, it is determined whether the tilt state of the bed at the current time is maximum. If it is the maximum, the process proceeds to step S420. If not, the process proceeds to step S416.
- Step S412 The left area tilts the bed to the first level above. After this, the process proceeds to step S417.
- Step S413 Either tilt the bed up to the first level. After this, the process proceeds to step S417.
- Step S414 Tilt the bed an additional step as the level of tilt is not at its maximum. After this, the process proceeds to step S417.
- Step S415) Since the position of the head is in the central region and the bed is at maximum tilt, the other side of the current bed tilts the bed to the first level above. After this, the process proceeds to step S417.
- Step S416 Tilt the bed an additional step as the level of tilt is not at its maximum. After this, the process proceeds to step S417.
- Step S41-7 Memorize the current inclination level. After this, the process proceeds to step S418.
- Step S4128 If the sleep processing is immediately shifted to monitoring of the sleep state before the sleep state recovers from the abnormality by the tilt processing, the bed may be tilted too much. For this reason, after the inclination processing, before returning to monitoring, it is checked whether a predetermined time has elapsed. If the predetermined time has elapsed, the process returns to step S402 to shift to continuous monitoring of the sleep state. If it has not elapsed, step S418 is repeated. A doctor, a nurse, etc. can determine and memorize
- Step S419) If there is no sleep disorder, check if there is an end signal. As the end signal, it can be performed by switch OFF operation, detecting that the sleeping person is out of bed, or the like. If there is no end signal, the process proceeds to step S402, and sleep abnormality is constantly monitored while detecting the presence or absence of the end signal. If there is, end processing is performed.
- Step S420 There is sleep abnormality and either (1) the face is not upward, (2) the head position is in the left and right area of the head support surface, and the reverse direction of the head is in the state of maximum inclination downward .
- a warning of sleep abnormality is given.
- steps S104 to S109 and an end process may be performed as in the first embodiment, and the description thereof will be omitted.
- the transition from step S108 to step S102 may be read as the transition to step S402.
- Steps S601 and 602 position information of the head on the head support surface is detected. If the head is located in the right side in the left-right direction, the process proceeds to step S605. If the head is located in the left side in the left-right direction, the procedure proceeds to step S603. It transfers to step S613.
- Step S603 Next, using the tilt level memory information, the tilt state of the bed at the present time is confirmed. If the left region is inclined upward, the process proceeds to step S604. If the left region is not inclined to be on top, the process proceeds to step S608.
- Step S604 Next, using the tilt level storage information, it is determined whether the tilt state of the bed at the current time is maximum. If it is the maximum, the process proceeds to step S613. If not, the process moves to step S609.
- Step S605 Next, using the tilt level memory information, the tilt state of the bed at the present time is confirmed. If the right area is inclined upward, the process proceeds to step S606. If the right area is not inclined to be on the upper side, the process proceeds to step S 607.
- Step S606 Next, using the tilt level storage information, it is determined whether the tilt state of the bed at the current time is maximum. If it is the maximum, the process proceeds to step S613. If not, the process proceeds to step S610.
- Step S607 The right area tilts the bed to the first level above. After this, the process proceeds to step S611.
- Step S608 The left area tilts the bed to the first level above. After this, the process proceeds to step S611.
- Step S609 Tilt the bed an additional step as the level of tilt is not at its maximum. After this, the process proceeds to step S611.
- Step S610 Tilt the bed an additional step as the level of tilt is not at its maximum. After this, the process proceeds to step S611.
- Step S611 Memorize the current inclination level. After this, the process proceeds to step S612.
- Step S612 If the sleep processing is immediately shifted to monitoring of the sleep state before the sleep state recovers from the abnormality by the tilt processing, the bed may be tilted too much. For this reason, after the inclination processing, before returning to monitoring, it is checked whether a predetermined time has elapsed. If the predetermined time has elapsed, the process proceeds to step S402, and the flow of 3 is left.
- Step S613 There is sleep abnormality, the head is downward, and (1) the position of the head is in the central region in the lateral direction of the head support surface, (2) the position of the head is in the left and right regions of the head support surface, Is one of the states in which the reverse direction is inclined downward to the maximum.
- a warning of sleep abnormality is given.
- a flow may be employed in which the inclination is returned to the original state. Further, before the back-raising surface and the head support surface are inclined, the inclination of the bed in the left-right direction may be reset.
- sleep abnormality determination unit 503 compares the CO 2 concentration sensor, and the data of the CO 2 concentration sensor and a predetermined threshold value, respiratory abnormality (hypopnea or apnea) determining unit determines the presence or absence of And have.
- Apnea is when the airflow in the mouth and nose stops for 10 seconds or more
- hypopnea is when the ventilation rate is reduced by 50% or more in 10 seconds or more
- the predetermined threshold is the sleep data of the sleeping person or A doctor, a nurse, etc. can decide using standard data etc.
- the sleep monitoring unit 502 may include, for example, a CO 2 concentration sensor, and may further include a communication unit that sends monitoring data to the sleep abnormality determination unit 503.
- At least the CO 2 concentration sensor is disposed near the nose or mouth of the sleeper, but may be disposed at both.
- the bed 230 comprises a vertical frame 231, a horizontal frame 232 and a semicircular member 234, and the bed 230 holds the floor surface 233, and the bed
- the portion 230 is rotatably (tilably) attached to a vertical frame 235 provided on the stand frame 211.
- the overall configuration of this embodiment is the same as that of FIG.
- a receiving groove of a gear is provided on the inner periphery or outer periphery of the semicircular member 234, and A pair of gear wheels in contact with the receiving groove is disposed, and the gear wheels are driven by an electric motor.
- a rotary bearing is provided in the vicinity of the intersection of the pair of vertical frames 235 and the longitudinal centerline of the floor surface 233, and the bed portion 230 is provided with a rotary shaft, and the rotary shaft is inserted into the rotary bearing. The rotary shaft is rotated by an electric motor.
- a stopper (a holding unit for the floor surface inclination drive unit) is provided at any position of the semicircular member 234 so as to engage and fix the bed support structure 230 ′ with the bed portion 230 inclined.
- the floor surface inclination drive unit can be configured to automatically control ON and OFF of the engagement fixation by the above.
- the above-mentioned electric motor is connected to a control unit (not shown) similar to the control operation unit described in the second embodiment (having a sleep abnormality determination unit, a tilt drive control unit, and a gravity center position detection unit).
- the controller controls the electric motor.
- the configuration is not limited to this. The point is that the tilt drive control unit can smoothly drive the floor surface 233 on the basis of the information from the sleep monitoring unit, the sleep abnormality determination unit, or the center-of-gravity position detection unit and can hold a suitable tilt.
- the center-of-gravity position detection unit may not be provided. Further, in FIG. 19, the sleep monitoring unit, the holding unit (stopper) of the floor surface inclination drive unit, and the columnar mat unit on the bed main body floor surface are omitted and drawn for easy viewing of the drawing.
- FIG. 20 is a perspective view of the bed body.
- a bed floor holder 369 including a lift mechanism 367 that holds a bed 363 having a floor surface and tilts the bed 363; and a bed floor holder 369.
- a bed mat 365 held on a bed floor 363.
- the upper surface of the bed portion 363 constitutes the floor surface of the bed body.
- the elevating mechanism 367 serves as a floor inclination drive unit that drives the floor to incline in the left-right direction.
- the lifting mechanism 367 is connected by a lead wire 321 to a control unit 320 similar to the control operation unit described in the second embodiment (having a sleep abnormality determination unit, a tilt drive control unit, and a gravity center position detection unit).
- the control unit 320 detects abnormality during sleep and the position of the center of gravity and controls the elevating mechanism 367.
- the bed floor holder 369 has an elevation mechanism (floor surface inclination drive portion) 367 for tilting the bed portion 363 and a foot portion 368 for supporting the elevation mechanism 367. Further, at the end of the lifting and lowering mechanism 367 and at both ends of the bed portion 363, engaging portions 367a and 363a for engaging the both are provided. In FIG. 20, the sleep monitoring unit is omitted.
- the bed mat support 364 has a floor support 362 that supports the bed 363 and a foot 361 that supports the floor support 362.
- a raising / lowering mechanism can employ
- adopt a well-known structure for example, can be set as the structure using oil pressure.
- FIG. 21 is a diagram showing a determination flow of sleep abnormality of the sleeping posture control bed system according to the sixth embodiment.
- Step S701 When the operation is started, the sound sensor monitors the sound generated around the sleeping person's mouth.
- Step S702 In order to facilitate the determination process, pre-processing such as noise removal and Fourier transform is performed.
- Step S703 The sleep abnormality judging means pre-treats the sleeping person's snore and stores data in advance.
- the degree of coincidence between the measured sound data and the data stored in advance is compared. If the degree of coincidence is equal to or more than a predetermined value (for example, 80%), the process proceeds to step S704. If the degree of coincidence is less than the predetermined value, the process proceeds to step S 705. In addition, the case where a sound is not detected is included in the degree of coincidence being less than a predetermined value.
- a predetermined value for example, 80%
- Step S704 When the degree of coincidence is equal to or more than a predetermined value, it is determined that there is an abnormality during sleep since snoring has occurred.
- Step S705 When the degree of coincidence is less than a predetermined value, it is determined that there is no abnormality during sleep since snoring has not occurred.
- the determination can be performed in the same manner as in steps S201 to S204, and in the case of determination using vibration, the determination can be performed in the same manner as in steps S701 to 705.
- FIG. 22 is a cross-sectional view of a bed mat according to a seventh embodiment.
- the central portion 125a of the bed mat 125 has a concave shape which is recessed from the both end portions 125b. For this reason, in the state in which the bed floor surface is inclined, the both end portions 125 b function to prevent falling of the sleeping person.
- the width of the central portion 125a is preferably 80% or more of the total width of the bed mat.
- the width of each end 125b is preferably 3% or more of the total width of the bed mat.
- the shape of the depression is a semi-elliptical shape, but it is not limited to this, and can be an arc shape, a catenary curve shape, or the like.
- FIG. 23 is a cross-sectional view of a bed mat according to an eighth embodiment.
- the central part 125a of the bed mat 125 and the both ends 125b are different in material, and the material used for the central part 125a is more than the material used for the both ends 125b.
- the compression rate is increasing. For this reason, when the sleeping person comes up, the central part 125a sinks largely and the both ends 125b hardly sink. Therefore, both end portions 125b which are difficult to be compressed function to prevent falling of the sleeping person.
- the bed mat structure of the seventh and eighth embodiments can also be applied to the bed system of the first embodiment.
- the columnar bed mats are arranged so as not to inhibit the bending of the head receiving surface and the back receiving surface.
- the present invention it is possible to tilt the bed floor periodically or discontinuously or at any time so as to prevent bedsores of bedridden patients, and also to prevent apnea and hypopnea during sleep.
- -It is possible to provide the other direction inclinable bed system capable of detecting so-called sleep abnormality such as snoring or bruxism and guiding body position to a sleeping posture that reduces the abnormality when sleep abnormality is detected. Therefore, the industrial applicability is large.
- 1 sleeping posture control bed system 10 bed main body, 11 control operation unit, 12 head frames, 13 foot frames, 14 rotating shaft pins, 15 hanging members, 16 back support surfaces, 17 head support surfaces, 18 backrest drive, 19 head drive, DESCRIPTION OF SYMBOLS 20 waist receiving surface part 21 drive part 22 for leg receiving surfaces drive part 23 for bed vertical movement 23 driving part 24 for bed vertical movement 24 thigh receiving surface part 25 lower thigh receiving surface part 26 bed horizontal tilt driving part 27 vertical frame member 28 horizontal frame member 29 head hood connection Member 30 foot 31 lead wire 32 frame reinforcement 33 roller 35 body central axis 36 pressure-sensitive sheet 37 connecting member 102 bed part, 102 'bed support structure, 103 stand frame, 104 foot, 105 foot joint frame, 106 stand connecting frame, 107 upper and lower movable frame members, 107a vertical drive means, 108 suspension member, 109 hinges, 110 head foot connection members, 112 tilt control member, 112 a tilt drive means, 115 handrails, 120 floors, 120 'floor boards, 121 floor vertical frame members,
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Abstract
Description
(1)第一の発明
寝者の背側を起こすための背上げ部を有する寝台と、前記寝台を支える寝台支持体と、前記背上げ部の頭側を高めて傾斜させる背上げ用駆動部と、を備える寝姿勢制御ベッドシステムであって、前記背上げ部は、異なった傾斜角度に調節できる背受け面と頭受け面とを有してなり、前記背受け面が傾斜隆起していないときの傾斜角を0°とし、傾斜隆起させたときの前記背受け面の傾斜角をθx 、前記傾斜角θxのときの背受け面の傾斜延長線を基準0°とした場合における前記頭受け面の傾斜角をθyとするとき、前記背上げ用駆動部は前記背受け面と前記頭受け面とを、下記数1を満たすように傾斜隆起させることを特徴とする寝姿勢制御ベッドシステム。
0°<θx≦70°、かつ、-45°≦θy<0°、かつ、-30°≦θx +θy ・・・(1)
第二の発明は、上記第一の発明にかかる寝姿勢制御ベッドシステムにおいて、前記背上げ用駆動部が、数2を満たすように、前記背受け面と前記頭受け面とを傾斜隆起させる構成とする。
[数2]
0°<θx≦70°、かつ、-45°≦θy<0°、かつ、0°≦θx +θy ・・・(2)
第三の発明は、寝者の背側を起こすための背上げ部を有する寝台と、前記寝台を支える寝台支持体と、前記背上げ部の頭側を高めて傾斜させる背上げ用駆動部と、を備える寝姿勢制御ベッドシステムであって、前記背上げ部は、異なった傾斜角度に調節できる背受け面と頭受け面とを有してなり、前記背受け面が傾斜隆起していないときの傾斜角を0°とし、傾斜隆起させたときの前記背受け面の傾斜角をθx 、前記傾斜角θxのときの背受け面の傾斜延長線を基準0°とした場合における前記頭受け面の傾斜角をθyとするとき、前記背上げ用駆動部は、前記背受け面と前記頭受け面とを、下記数3を満たすように傾斜隆起させる、ことを特徴とする寝姿勢制御ベッドシステムである。
[数3]
2°≦θx≦85°、かつ、-45°≦θy≦-2°、かつ、0°≦θx +θy・・・(3)
第四の発明は、上記第一の発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝台支持体が、前記寝台を傾斜駆動させる寝台傾斜用駆動部を備える構成とする。
第五の発明は、上記第一から第四の何れかの発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、さらに、前記寝台上の寝者の睡眠状態を監視する睡眠監視部と、前記睡眠監視部の監視データに基づいて睡眠時異常の有無を判定する睡眠時異常判定部と、前記睡眠時異常判定部の判定結果に基づいて前記θxおよびθyを決定し、前記決定条件が満たされるように前記背上げ用駆動部を駆動制御する背上げ傾斜制御部と、を備える構成とする。
第六の発明では、上記第四の発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、さらに、前記寝台上の寝者の睡眠状態を監視する睡眠監視部と、前記睡眠監視部の監視データに基づいて睡眠時異常の有無を判定する睡眠時異常判定部と、前記睡眠時異常判定部の判定結果に基づいて前記θxおよびθyを決定し、前記決定条件が満たされるように前記背上げ用駆動部を駆動制御する背上げ傾斜制御部と、を備え、前記背上げ傾斜制御部は、前記睡眠時異常判定部の判定結果に基づいて前記θxおよびθyを決定すると共に、前記寝台の傾斜方向および傾斜角度を決定し、前記各決定条件が満たされるように前記背上げ用駆動部及び/又は前記寝台傾斜駆動部を駆動制御する。
第七の発明は、上記第一から第六の何れかの発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムが、更に寝者の頭が前記頭受け面上に存在するか否かを検知する頭検知部を備える。
第八の発明は、上記第一から第七の何れかの発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、更に、前記頭受け面に対し寝者の顔が仰向き、右下向き、左下向き、顔臥せの何れの状態にあるかを検知判定する顔向き判定部を備える構成とする。
第九の発明は、上記第五又は第六の発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、更に寝者の頭が前記頭受け面上に存在するか否かを検知する頭検知部と、前記頭受け面に対し寝者の顔が仰向き、右下向き、左下向き、顔臥せの何れの状態にあるかを検知判定する顔向き判定部と、を備え、前記頭検知部は、更に、前記頭受け面のどの区画に寝者の頭が存在するかを検知する頭位置検知機能を備え、前記背上げ傾斜制御部は、前記頭検知部からの頭位置情報と、前記顔向き判定部からの顔向きに関する情報に基づいて、前記頭受け面の傾斜角度および前記寝台の傾き方向を定め、前記背上げ用駆動部及び/又は前記寝台傾斜駆動部を駆動制御する構成とする。
第十の発明は、床面を有するベッド本体と、前記床面を傾斜駆動させる床面傾斜駆動部と、前記床面上に寝ている寝者の睡眠状態を監視する睡眠監視部と、前記睡眠監視部の監視データに基づいて睡眠時異常の有無を判定する睡眠時異常判定部と、前記睡眠時異常判定部の判定結果に基づいて前記床面を傾斜駆動させるように前記床面傾斜駆動部を制御する傾斜駆動制御部と、を備える寝姿勢制御ベッドシステムである。
第十一の発明は、上記第十の発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、寝者の重心を検知する重心位置検知部を備え、前記傾斜駆動制御部は、前記睡眠時異常判定部が睡眠時異常有りと判定したときに、前記床面における寝者の重心位置が、前記床面の傾斜方向に直交し且つ前記床面の面積中心点を含む傾斜床面中央線よりも傾斜方向上方に位置するように、前記床面傾斜駆動部の傾斜駆動を制御する構成とする。
第十二の発明は、上記第十一の発明にかかる寝姿勢制御ベッドシステムにおいて、睡眠時異常が判定されたときにおける寝者の重心位置を基準とし、床面傾斜後の重心位置が閾値を超えて移動した場合、前記傾斜駆動制御部は、前記ベッド床面の傾きを減少させる方向に前記床面傾斜駆動部の傾斜駆動を制御する構成とする。
第十三の発明は、上記第十の発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、前記床面がベッド長手方向に向いたベッド長手方向を第1傾斜軸とし前記第1傾斜軸を傾斜中心として傾斜駆動でき、かつ、前記第1傾斜軸に直交する第2傾斜軸を傾斜中心として傾斜駆動できる構造とする。
第十四の発明は、上記第十三の発明にかかる寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、寝者の重心を検知する重心位置検知部を備え、前記傾斜駆動制御部が、睡眠時異常が判定されたときにおける寝者の重心位置を基準とし、床面傾斜後の重心位置が閾値を超えて移動した場合、前記ベッド床面の傾きを減少させる方向に前記床面傾斜駆動部の傾斜駆動を制御する構成とする。
第十五の発明は、上記第十ないし十四の発明にかかる寝姿勢制御ベッドシステムの何れかにおいて、前記寝姿勢制御ベッドシステムは、前記床面に載置されるベッドマットを更に備え、前記ベッドマットが、マット幅方向の両端部からベッド長手方向に沿う中央部に向かって窪んだ凹形状である構成とする。
第十六の発明は、上記第十五の発明にかかる寝姿勢制御ベッドシステムにおいて、前記ベッドマットのベッド長手方向に直交する断面における凹形状が、楕円弧形状である構成とする。
第十七の発明は、上記第十ないし十四の発明にかかる寝姿勢制御ベッドシステムの何れかにおいて、前記寝姿勢制御ベッドシステムは、前記床面に載置されるベッドマットを更に備え、前記ベッドマットの中央部分の圧縮率が、両端部の圧縮率よりも大きいものとすることができる。
図1に、ベッド本体10と制御操作部11からなる本発明の実施の形態1にかかる寝姿勢制御ベッドシステム1の全体図を示す。このベッド本体10は、寝者が横たわる寝台と、この寝台を支える寝台支持体とで構成されている。寝台の基本的枠組みは、横枠部材28・28と、横枠部材28・28の両端を繋ぐ縦枠部材27・27、及び縦枠部材27・27の間にあって横枠部材相互間を繋ぐ連結部材37・37とで構成され、この枠組みは、ヘッドフレーム12及びフットフレーム13の補強材32部分にそれぞれ取り付けられた吊下げ部材15・15により吊り下げられた構造である。この枠組みからなる寝台の上面が、寝者が直接または間接的に横たわる「床面」となる。
また、一部の装置は、有線ないし無線通信を介して接続される構成として、制御操作部11内に全ての装置が組み込まれていない構成とすることもできる。また、記憶装置が睡眠監視情報を記憶しておき、この情報を医者が通信回線や外部メモリ等により取得し、この情報を用いて睡眠時異常に対する診察を行えるような構成としてもよい。
+θy ・・数式2〕、又は〔2°≦θx≦85°、かつ、-45°≦θy≦-2°、0°≦θx +θy ・・数式3〕となるように制御される。なお、θyは、背受け面の傾斜延長線より下側にあるときにマイナスの値になる。
0°<θx≦70°、かつ、-45°≦θy<0°、かつ、-30°≦θx +θy ・・・(1)
0°<θx≦70° 、かつ、-45°≦θy<0° 、かつ、0°≦θx +θy ・・・(2)
2°≦θx≦85°、かつ、-45°≦θy≦-2°、0°≦θx +θy・・・(3)
この動作フローは背受け面や頭受け面が傾斜していない状態から開始する。先ず制御操作部に設けられたスイッチで傾斜状態をリセット(床面は水平)し、且つ、傾斜段階を記憶するカウンタを0にリセットする。
次に睡眠時異常判定部が、睡眠監視部の監視情報を用いて睡眠時異常の有無を検知する。異常ありの場合には、ステップS103に進む。異常なしの場合には、ステップS110に移行する。
次に顔向き判定部が、頭位置検知部の情報に基づいて寝者の顔の向きを判定する。頭が上向きの場合には、ステップS104に進む。上向きでない場合には、ステップS109に移行する。
次に、頭位置検知部が頭受け面における頭の位置情報を検知する。頭が上下方向中央領域に位置する場合には、ステップS105に進む。位置しない場合には、ステップS109に移行する。
次に、前記カウンタの情報より、現時点での頭受け面、背受け面の傾斜段階を確認する。傾斜段階が最大限でない場合には、ステップS106に進む。最大限である場合には、ステップS109に移行する。
頭受け面、背受け面はさらに傾斜可能な状態であるので、1段階さらに頭受け面、背受け面を傾斜させ、寝者の気道をより確保する。この後、ステップS107に進む。背上げ傾斜制御部104の記憶装置には、背受け面の傾斜角度θx、頭受け面の傾斜角度θy、及び背受け面と頭受け面との傾斜角度θx+θy(上記数1~3の少なくとも1つを満たす)を多段階に規定して記憶されており、背上げ傾斜制御部104は、この情報を用いて背上げ用駆動部の動作を制御して、背受け面および/または頭受け面を傾斜駆動させる。
カウンタに、現時点での傾斜段階を記憶させるため、カウンタに記憶された傾斜段階数を+1して保存する。この後、ステップS108に進む。
傾斜処理によって、睡眠状態が異常からの回復する前に速やかに睡眠状態の監視に移ると、頭受け面、背受け面を傾斜させ過ぎてしまうおそれがある。このため、傾斜処理後、監視に戻る前に所定時間が経過したか否かを確認する。確認された場合には、ステップS102に戻り、継続的な睡眠状態の監視に移行する。確認されていない場合には、ステップS108を繰り返し行う。この所定時間は、医者、看護師等が決定して記憶させておくことができる。例えば、3分、5分、10分等に設定できる。
睡眠異常があり、且つ、(1)顔が上向きでない、(2)頭の位置が頭受け面の上下方向中央領域にない、(3)傾斜状態が既に最大限に達している、のいずれかである。これらの場合、頭受け面、背受け面を傾斜させても睡眠時異常からの回復に効果がない状態であるか、頭受け面、背受け面をさらに傾斜させる余地がない状態である。よって、睡眠時異常の警告を行う。これは、警告音声、振動等によって寝者に直接通知したり、警告音声、振動、警告画像等によって介助者に通知したりする方法を採用できる。
睡眠異常がない場合、終了シグナルがあるか否かを確認する。終了シグナルとしては、スイッチOFF操作、又は寝者がベッドからいなくなることを検知するにより行うことができる。終了シグナルがない場合には、ステップS102に移行し、終了シグナルの有無を検知しつつ絶えず睡眠時異常を監視する。有る場合には、終了処理を行う。なお、傾斜状態をリセットする操作を行った後に終了処理を行う構成としてもよい。
また、図8に示すように、睡眠時異常が所定時間検知されない場合には、頭受け面と背受け面の傾斜を戻すような処理を行ってもよい。図8に示すフローについて、図7との変更点についてのみ、以下に説明する。
カウンタに、現時点での傾斜段階を記憶させるため、カウンタに記憶された傾斜段階数を「+1」して保存するとともに、傾斜処理時刻をタイマーに記憶する。この後、ステップS108に進む。
睡眠異常がない場合、終了シグナルがあるか否かを確認する。終了シグナルとしては、スイッチOFF操作、寝者の非検知等により行うことができる。終了シグナルがない場合には、ステップS111に移行する。
監視に移行するフローでは、現時点で頭受け面、背受け面が傾斜しているか否かを判定する。傾斜していない(傾斜段階を記憶するカウンタが0である)場合には、ステップS102に移行し、絶えず睡眠時異常を監視する。傾斜している傾斜段階を記憶するカウンタが0でない)場合には、ステップS112に進む。
傾斜させた時刻を確認し、傾斜処理時刻から所定時間が経過したか否かを判定する。この所定時間は、医者、看護師等が決定して記憶しておくことができる。例えば、20分、30分等に設定できる。所定時刻が経過している場合には、ステップS113に移行し、経過していない場合には、ステップS102に移行する。
頭受け面、背受け面の傾斜段階を1段階戻し、ステップS114に移行する。
カウンタに、現時点での傾斜段階を記憶させるため、カウンタに記憶された傾斜段階数を-1して記憶するとともに、傾斜処理時刻をタイマーに上書き記憶する。この後、ステップS102に進み、睡眠監視を繰り返し行う。
動作が開始されると、まず、CO2濃度センサが寝者の口や鼻周りの気体成分濃度を常時監視する。濃度が閾値未満(低呼吸ないし無呼吸)の場合には、ステップS202に進む。閾値以上の場合には、ステップS204に移行する。
閾値未満と判定されると、判定部が閾値未満が継続する時間を算出する。閾値未満が継続する時間が所定値(例えば10秒)以上の場合には、ステップS203に進む。継続する時間が所定値未満の場合には、ステップS204に進む。
閾値未満が所定値以上継続している場合には、低呼吸ないし無呼吸状態となっているので、睡眠時異常Yesと判定される。
閾値未満でない場合や、閾値未満が所定値以上継続していない場合には、低呼吸・無呼吸状態ではないので、睡眠時異常Noと判定される。
図10に、本発明の実施の形態2にかかる寝姿勢制御ベッドシステムのベッド本体を示し、図11に、全体構成(ブロック図)を示す。実施の形態2に係る寝姿勢制御ベッドシステムは、床面120を有する寝台部102が吊下げられた構造のベッド本体501(図10参照)と、床面120上に寝ている寝者の睡眠状態を監視する睡眠監視部502と、睡眠監視部502の監視データに基づいて睡眠時異常の有無を判定する睡眠時異常判定部503と、床面120を有する寝台部2を傾斜駆動させる床面傾斜駆動部505と、睡眠時異常判定部503の判定結果に基づいて床面120を傾斜駆動させるように床面傾斜駆動部505を制御する傾斜駆動制御部504と、床面における寝者の重心位置を検知する重心位置検知部506を備えている(図11参照)。前記実施の形態1では、頭受け面及び背受け面をベッド前後方向(足→頭方向)に持ち上げて傾斜させたが、実施の形態2では、寝台の床面全体を左右方向に傾斜させる点に特徴がある。
寝台が傾斜していない状態(水平状態)から開始させるため、寝台を水平にする傾斜状態リセットが行われ、且つ、記憶された傾斜状態レベルをリセットする。
次に睡眠監視部の監視情報を用いて睡眠時異常判定部が睡眠時異常の有無を検知する。異常ありの場合には、ステップS303に進む。異常なしの場合には、ステップS317に移行する。睡眠時異常の有無の判定(S302)の内容は、実施の形態1のステップS201~204(図9参照)と同様とすればよい。
次に、傾斜駆動制御部が睡眠監視部の監視情報と顔向き判定用情報とを照合して、寝者の顔の向きを検知する。顔が上向きの場合には、ステップS304に進む。上向きでない場合には、ステップS316に移行する。
次に、重心位置検知部が重心位置情報を検知する。重心が左右方向中央領域に位置する場合には、ステップS305進む。位置しない場合には、ステップS307に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態を確認する。傾斜している場合には、ステップS309に進む。傾斜していない場合には、ステップS306に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態が最大限であるかを判定する。最大限である場合には、ステップS311に進む。最大限でない場合には、ステップS310に移行する。
重心位置が中央領域にない状態において、現時点での傾斜状態を確認する。重心が存在しない側(頭が左領域にある場合には右領域側、重心が右領域にある場合には左領域側)が下に傾斜している場合にはステップS312、そうでない場合にはステップS308に進む。
重心位置が中央領域にない状態であるので、この場合、重心が存在しない側に寝返りを打っても転落のおそれが小さい。重心が存在しない側が下に傾斜していない状態であるので、重心が存在しない側が下の第1レベルに寝台を傾斜させる。この後、ステップS314に進む。
重心の位置が中央領域にあり、且つ寝台が傾斜していない状態であるので、いずれか一方が下の第1レベルに寝台を傾斜させる。この後、ステップS314に進む。
重心位置が中央領域にあり、且つ寝台が最大限でなく傾斜した状態である。この場合、寝台を同じ方向にさらに一段階傾斜させる。この後、ステップS314に進む。
重心の位置が中央領域にあり、寝台が最大限に傾斜状態であるので、現状とは逆側が上の第1レベルに寝台を傾斜させる。この後、ステップS314に進む。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態が最大限であるかを判定する。最大限である場合には、ステップS313に進む。最大限でない場合には、ステップS316に移行する。
重心位置が左右領域のいずれかにあり、且つ寝台が最大限でなく傾斜した状態である。この場合、寝台を同じ方向にさらに一段階傾斜させる。この後、ステップS314に進む。
現時点での傾斜レベルを記憶させる。この後、ステップS315に進む。
傾斜処理によって、睡眠状態が異常から回復する前に速やかに睡眠状態の監視に移ると、寝台を傾斜させ過ぎてしまうおそれがある。このため、傾斜処理後、監視に戻る前に、所定時間が経過したか否かを確認する。所定時間経過した場合には、ステップS302に戻り、継続的な睡眠状態の監視に移行する。経過していない場合には、ステップS315を繰り返し行う。この所定時間は、医者、看護師等が決定して記憶しておくことができる。例えば、5分、10分等に設定できる。
睡眠異常があり、且つ、(1)顔が上向きでない、(2)重心位置が頭受け面の左右領域にあり、重心とは逆方向が下に最大限傾斜した状態、のいずれかである。この場合、寝台を傾斜させても睡眠時異常からの回復に効果がない状態であるか、寝がえりを促す方向に寝台をさらに傾斜させる余地がない状態である。よって、睡眠時異常の警告を行う。これは、警告音声、振動等によって寝者に直接通知したり、警告音声、振動、警告画像等によって介助者に通知したりする方法を採用できる。
睡眠異常がない場合、終了シグナルがあるか否かを確認する。終了シグナルとしては、スイッチOFF操作、又は寝者がベッドからいなくなることの検知を用いることができる。終了シグナルがない場合には、ステップS302に移行し、終了シグナルの有無を検知しつつ絶えず睡眠時異常を監視する。有る場合には、終了処理を行う。
本実施の形態では、頭受け面及び背受け面の傾斜と、寝台の左右方向の傾斜と、の両方を行うベッドシステムについて説明する。この実施の形態では、寝台の左右方向の傾斜の動作制御が必須であること以外は、上記実施の形態1と同様であり、相違点以外の構成(例えば、ベッド本体の構成)についてはその説明を省略する。図15は、実施の形態3にかかる寝姿勢制御ベッドシステムの全体構成を示すブロック図である。
背受け面や頭受け面、寝台が傾斜していない状態から開始するため、記憶された傾斜状態レベル(左右方向)をリセットし、背受け面、頭受け面の傾斜状態を記憶するカウンタを0にし、傾斜状態をリセットする。
次に睡眠監視部の監視情報を用いて睡眠時異常判定部が睡眠時異常の有無を検知する。異常ありの場合には、ステップS403に進む。異常なしの場合には、ステップS419に移行する。
次に顔向き判定部が、頭位置検知部の情報に基づいて寝者の顔の向きを判定する。顔が上向きの場合には、1のフローに、右向きの場合には、ステップS406に、左向きの場合は2のフローに、いずれでもない(下向き)の場合には3のフローに、それぞれ移行する。
次に、頭位置検知部が頭受け面における頭の位置情報を検知する(図6参照)。頭が左右方向右領域に位置する場合には、ステップS420に進み警告を発する。頭が左右方向左領域に位置する場合には、ステップS410に、いずれでもない(左右方向中央領域に位置する)場合には、ステップS408に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態を確認する。傾斜している場合には、ステップS409に進む。傾斜していない場合には、ステップS413に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態が最大限であるかを判定する。最大限である場合には、ステップS415に進む。最大限でない場合には、ステップS414に移行する。
頭の位置が左右方向左領域にある状態において、現時点での傾斜状態を確認する。左領域側が上に傾斜している場合にはステップS411、そうでない場合にはステップS412に進む。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態が最大限であるかを判定する。最大限である場合には、ステップS420に進む。最大限でない場合には、ステップS416に移行する。
左領域が上の第1レベルに寝台を傾斜させる。この後、ステップS417に進む。
いずれか一方が上の第1レベルに寝台を傾斜させる。この後、ステップS417に進む。
傾斜レベルが最大限でないので、寝台をさらに1段階傾斜させる。この後、ステップS417に進む。
頭の位置が中央領域にあり、寝台が最大限に傾斜状態であるので、現状とは逆側が上の第1レベルに寝台を傾斜させる。この後、ステップS417に進む。
傾斜レベルが最大限でないので、寝台をさらに1段階傾斜させる。この後、ステップS417に進む。
現時点での傾斜レベルを記憶させる。この後、ステップS418に進む。
傾斜処理によって、睡眠状態が異常からの回復する前に速やかに睡眠状態の監視に移ると、寝台を傾斜させ過ぎてしまうおそれがある。このため、傾斜処理後、監視に戻る前に、所定時間が経過したか否かを確認する。所定時間経過した場合には、ステップS402に戻り、継続的な睡眠状態の監視に移行する。経過していない場合には、ステップS418を繰り返し行う。この所定時間は、医者、看護師等が決定して記憶しておくことができる。例えば、5分、10分等に設定できる。
睡眠異常がない場合、終了シグナルがあるか否かを確認する。終了シグナルとしては、スイッチOFF操作、寝者がベッドからいなくなることを検知する等により行うことができる。終了シグナルがない場合には、ステップS402に移行し、終了シグナルの有無を検知しつつ絶えず睡眠時異常を監視する。有る場合には、終了処理を行う。
睡眠異常があり、且つ、(1)顔が上向きでない、(2)頭の位置が頭受け面の左右領域にあり、頭とは逆方向が下に最大限傾斜した状態、のいずれかである。この場合、寝台を傾斜させても睡眠時異常からの回復に効果がない状態であるか、寝がえりを促す方向に寝台をさらに傾斜させる余地がない状態である。よって、睡眠時異常の警告を行う。これは、警告音声、振動等によって寝者に直接通知したり、警告音声、振動、警告画像等によって介助者に通知したりする方法を採用できる。
ここでは、顔の向きが上向きなので、実施の形態1と同様にステップS104~S109及び終了の処理を行えばよく、その説明は省略する。なお、ステップS108からステップS102への移行は、ステップS402への移行と読み替えればよい。
このフローについて、図17に示す。ここでは、顔の向きが左下向きであるため、顔の向きが右下向きである場合のステップS406~S418、S420と、左右が対称となった処理を行えばよい(ステップS501~S514)。このため、その説明は省略する。
このフローについて、図18に示す。ここでは、顔の向きが下向きである。この場合、上記とは逆に、頭が中央領域にある場合には、寝がえりによって上向きにしようとすると転落のおそれがある。
次に、頭受け面における頭の位置情報を検知する。頭が左右方向右領域に位置する場合には、ステップS605に、頭が左右方向左領域に位置する場合には、ステップS603に、いずれでもない(左右方向中央領域に位置する)場合には、ステップS613に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態を確認する。左領域が上となるように傾斜している場合には、ステップS604に進む。左領域が上となるように傾斜していない場合には、ステップS608に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態が最大限であるかを判定する。最大限である場合には、ステップS613に進む。最大限でない場合には、ステップS609に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態を確認する。右領域が上となるように傾斜している場合には、ステップS606に進む。右領域が上となるように傾斜していない場合には、ステップS607に移行する。
次に、傾斜レベル記憶情報を用いて、現時点での寝台の傾斜状態が最大限であるかを判定する。最大限である場合には、ステップS613に進む。最大限でない場合には、ステップS610に移行する。
右領域が上の第1レベルに寝台を傾斜させる。この後、ステップS611に進む。
左領域が上の第1レベルに寝台を傾斜させる。この後、ステップS611に進む。
傾斜レベルが最大限でないので、寝台をさらに1段階傾斜させる。この後、ステップS611に進む。
傾斜レベルが最大限でないので、寝台をさらに1段階傾斜させる。この後、ステップS611に進む。
現時点での傾斜レベルを記憶させる。この後、ステップS612に進む。
傾斜処理によって、睡眠状態が異常からの回復する前に速やかに睡眠状態の監視に移ると、寝台を傾斜させ過ぎてしまうおそれがある。このため、傾斜処理後、監視に戻る前に、所定時間が経過したか否かを確認する。所定時間経過した場合には、ステップS402に移行し、3のフローから離れる。
睡眠異常があり、頭が下向きであり、且つ、(1)頭の位置が頭受け面の左右方向中央領域にある状態、(2)頭の位置が頭受け面の左右領域にあり、頭とは逆方向が下に最大限傾斜した状態、のいずれかである。この場合、寝台を傾斜させても睡眠時異常からの回復に効果がない状態であるか、寝がえりを促す方向に寝台をさらに傾斜させる余地がない状態である。よって、睡眠時異常の警告を行う。これは、警告音声、振動等によって寝者に直接通知したり、警告音声、振動、警告画像等によって介助者に通知したりする方法を採用できる。
実施の形態4に係る寝姿勢制御ベッドシステムに用いるベッド本体の全体像を、図19に示す。実施の形態4は、図19に示すように、寝台部230を、縦枠231と横枠232と半円状部材234とからなる構成とし、この寝台部230が床面233を保持し、寝台部230がスタンドフレーム211に設けられた縦フレーム235に回動可能(傾斜可能)に取り付けられている。この実施の形態の全体構成は、前記図11と同様である。
実施の形態5に係る寝姿勢制御ベッドシステムに用いるベッド本体及び床面傾斜駆動部を図20に示す。図20はベッド本体の斜視図である。図20に示すように、実施の形態5は、床面を有する寝台部363を保持し、且つ寝台部363を傾動させる昇降機構367を備えるベッド床部保持体369と、ベッド床部保持体369を下部より支えるベッドマット支持体364と、ベッド床部363上に保持されたベッドマット365と、を備えている。本実施の形態では、寝台部363の上面が、ベッド本体の床面を構成する。上記昇降機構367が、床面を左右方向に傾斜駆動させる床面傾斜駆動部となる。この昇降機構367には、実施の形態2で記載した制御操作部(睡眠時異常判定部、傾斜駆動制御部、重心位置検知部を備えるもの)と同様の制御部320にリード線321により接続されており、制御部320が睡眠時異常や重心位置を検知するとともに昇降機構367を制御するようにする。
実施の形態6では、音を用いていびきの有無を判定し、これを解消させる寝姿勢制御ベッドシステムについて説明する。本実施の形態では、睡眠時異常判定手段の異常判定フローが異なる以外は、実施の形態2と同様であり、異常判定フローについてのみ説明する。図21は、実施の形態6にかかる寝姿勢制御ベッドシステムの睡眠時異常の判定フローを示す図である。
動作が開始されると、まず、音センサが寝者の口周りで発生する音をモニタリングする。
判定処理を容易とするために、ノイズ除去やフーリエ変換等の前処理を行う。
睡眠時異常判定手段には、あらかじめ寝者のいびきを前処理してデータを記憶しておく。測定した音データと予め記憶されたデータの一致度を比較する。一致度が所定の値(例えば、80%)以上の場合には、ステップS704に進む。一致度が所定の値未満の場合には、ステップS705に進む。なお、一致度が所定の値未満には、音が検知されない場合も含まれる。
一致度が所定の値以上のときには、いびき発生状態となっているので、睡眠時異常有りと判定する。
一致度が所定の値未満のときには、いびき発生状態となっていないので、睡眠時異常なしと判定する。
実施の形態7では、寝者の転落を防止するベッドマット構造について説明する。本実施の形態では、ベッドマット構造の構成が異なる以外は、実施の形態2と同様であり、共通する部分については説明を省略する。図22は、実施の形態7にかかるベッドマットの横断面図である。
実施の形態8では、寝者の転落を防止するベッドマット構造の変形例について説明する。本実施の形態では、ベッドマット構造の構成が異なる以外は、実施の形態2と同様であり、共通する部分については説明を省略する。図23は、実施の形態8にかかるベッドマットの横断面図である。
10 ベッド本体、 11 制御操作部、
12 ヘッドフレーム、 13 フットフレーム、
14 回転軸ピン、 15 吊下げ部材、
16 背受け面部、 17 頭受け面部、
18 背上げ面用駆動部、 19 頭受け面用駆動部、
20 腰受け面部 21 脚受け面用駆動部
22 寝台上下動用駆動部 23 寝台上下動用駆動部
24 大腿受け面部 25 下腿受け面部
26 寝台左右傾斜用駆動部 27 縦枠部材
28 横枠部材 29 ヘッドフッド連結部材
30 足部 31 リード線
32 フレーム補強材 33 コロ
35 身体中心軸 36 感圧シート
37 連結部材
102 寝台部、
102’ 寝台支持構造体、 103 スタンドフレーム、
104 足部、 105 足部連結フレーム、
106 スタンド連結フレーム、 107 上下可動フレーム部材、
107a 上下動駆動手段、 108 吊下げ部材、
109 ヒンジ、 110 ヘッドフット連結部材、
112 傾斜制御部材、 112a 傾斜駆動手段、
115 手すり、 120 床面、
120’ 床板、 121 床面縦枠部材、
122 床面横枠部材、 123 床面支持部材、
125 円柱状マットユニット、 130 制御操作部、
131 リード線、 211 スタンドフレーム、
230 寝台部、 231 縦枠、
232 横枠、 233 床面、
234 半円状部材、 235 縦フレーム、
361 足部、 362 床支持部、
363 寝台部、 364 ベッドマット支持体、
365 ベッドマット、 367 昇降機構(床面傾斜駆動部)、
368 足部、 369 ベッド床部保持体、
501 ベッド本体、 502 睡眠監視部、
503 睡眠時異常判定部、 504 傾斜駆動制御部、
505 床面傾斜駆動部、 506 重心位置検知部、
602 背受け面縦枠 602a 背受け面縦枠主部材
602b 背受け面縦枠伸縮部材 603 回転棒
604 モータ 605・606 縦補強部材
Claims (17)
- 寝者の背側を起こすための背上げ部を有する寝台と、
前記寝台を支える寝台支持体と、
前記背上げ部の頭側を高めて傾斜させる背上げ用駆動部と
を備える寝姿勢制御ベッドシステムであって、
前記背上げ部は、異なった傾斜角度に調節できる背受け面と頭受け面とを有してなり、
前記背受け面が傾斜隆起していないときの傾斜角を0°とし、傾斜隆起させたときの前記背受け面の傾斜角をθx 、前記傾斜角θxのときの背受け面の傾斜延長線を基準0°と
した場合における前記頭受け面の傾斜角をθyとするとき、
前記背上げ用駆動部は、前記背受け面と前記頭受け面とを、下記数1を満たすように傾斜隆起させる、
ことを特徴とする寝姿勢制御ベッドシステム。
[数1]
0°<θx≦70°、かつ、-45°≦θy<0°、かつ、-30°≦θx +θy ・・・(1) - 請求項1に記載の寝姿勢制御ベッドシステムにおいて、
前記背上げ用駆動部が、数2を満たすように、前記背受け面と前記頭受け面とを傾斜隆起させる、
ことを特徴とする寝姿勢制御ベッドシステム。
[数2]
0°<θx≦70°、かつ、-45°≦θy<0°、かつ、0°≦θx +θy ・・・(2) - 寝者の背側を起こすための背上げ部を有する寝台と、
前記寝台を支える寝台支持体と、
前記背上げ部の頭側を高めて傾斜させる背上げ用駆動部と
を備える寝姿勢制御ベッドシステムであって、
前記背上げ部は、異なった傾斜角度に調節できる背受け面と頭受け面とを有してなり、
前記背受け面が傾斜隆起していないときの傾斜角を0°とし、傾斜隆起させたときの前記背受け面の傾斜角をθx 、前記傾斜角θxのときの背受け面の傾斜延長線を基準0°と
した場合における前記頭受け面の傾斜角をθyとするとき、
前記背上げ用駆動部は、前記背受け面と前記頭受け面とを、下記数3を満たすように傾斜隆起させる、
ことを特徴とする寝姿勢制御ベッドシステム。
[数3]
2°≦θx≦85°、かつ、-45°≦θy≦-2°、0°≦θx +θy・・・(3) - 請求項1、2、または3に記載の寝姿勢制御ベッドシステムにおいて、
前記寝台支持体は、前記寝台を傾斜駆動させる寝台傾斜駆動部を備える、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項1から4の何れか1項に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、さらに、
前記寝台上の寝者の睡眠状態を監視する睡眠監視部と、
前記睡眠監視部の監視データに基づいて睡眠時異常の有無を判定する睡眠時異常判定部と、
前記睡眠時異常判定部の判定結果に基づいて前記θxおよびθyを決定し、前記決定条件が満たされるように前記背上げ用駆動部を駆動制御する背上げ傾斜制御部と、
を備えることを特徴とする寝姿勢制御ベッドシステム。 - 請求項4に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、さらに、
前記寝台上の寝者の睡眠状態を監視する睡眠監視部と、
前記睡眠監視部の監視データに基づいて睡眠時異常の有無を判定する睡眠時異常判定部と、
前記睡眠時異常判定部の判定結果に基づいて前記θxおよびθyを決定し、前記決定条件が満たされるように前記背上げ用駆動部を駆動制御する背上げ傾斜制御部と、
を備え、
前記背上げ傾斜制御部は、前記睡眠時異常判定部の判定結果に基づいて前記θxおよびθyを決定すると共に、前記寝台の傾斜方向および傾斜角度を決定し、前記各決定条件が満たされるように前記背上げ用駆動部及び/又は前記寝台傾斜駆動部を駆動制御する、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項1から6の何れか1項に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、更に寝者の頭が前記頭受け面上に存在するか否かを検知する頭検知部を備える、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項1から7の何れか1項に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、更に、前記頭受け面に対し寝者の顔が仰向き、右下向き、左下向き、顔臥せの何れの状態にあるかを検知判定する顔向き判定部を備える、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項5又は6に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、更に寝者の頭が前記頭受け面上に存在するか否かを検知する頭検知部と、
前記頭受け面に対し寝者の顔が仰向き、右下向き、左下向き、顔臥せの何れの状態にあるかを検知判定する顔向き判定部と、を備え、
前記頭検知部は、更に、前記頭受け面のどの区画に寝者の頭が存在するかを検知する頭位置検知機能を備え、
前記背上げ傾斜制御部は、前記頭検知部からの頭位置情報と、前記顔向き判定部からの顔向きに関する情報に基づいて、前記頭受け面の傾斜角度および前記寝台の傾き方向を定め、前記背上げ用駆動部及び/又は前記寝台傾斜駆動部を駆動制御する、
ことを特徴とする寝姿勢制御ベッドシステム。 - 床面を有するベッド本体と、
前記床面を傾斜駆動させる床面傾斜駆動部と、
前記床面上に寝ている寝者の睡眠状態を監視する睡眠監視部と、
前記睡眠監視部の監視データに基づいて睡眠時異常の有無を判定する睡眠時異常判定部と、
前記睡眠時異常判定部の判定結果に基づいて前記床面を傾斜駆動させるように前記床面傾斜駆動部を制御する傾斜駆動制御部と、
を備える寝姿勢制御ベッドシステム。 - 請求項10に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、寝者の重心を検知する重心位置検知部を備え、
前記傾斜駆動制御部は、前記睡眠時異常判定部が睡眠時異常有りと判定したときに、前記床面における寝者の重心位置が、前記床面の傾斜方向に直交し且つ前記床面の面積中心点を含む傾斜床面中央線よりも傾斜方向上方に位置するように、前記床面傾斜駆動部の傾斜駆動を制御する、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項11に記載の寝姿勢制御ベッドシステムにおいて、
睡眠時異常が判定されたときにおける寝者の重心位置を基準とし、床面傾斜後の重心位置が閾値を超えて移動した場合、前記傾斜駆動制御部は、前記ベッド床面の傾きを減少させる方向に前記床面傾斜駆動部の傾斜駆動を制御する、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項10に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、前記床面がベッド長手方向に向いたベッド長手方向を第1傾斜軸とし前記第1傾斜軸を傾斜中心として傾斜駆動でき、かつ、前記第1傾斜軸に直交する第2傾斜軸を傾斜中心として傾斜駆動できる構造である、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項13に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、寝者の重心を検知する重心位置検知部を備え、
前記傾斜駆動制御部が、睡眠時異常が判定されたときにおける寝者の重心位置を基準とし、床面傾斜後の重心位置が閾値を超えて移動した場合、前記ベッド床面の傾きを減少させる方向に前記床面傾斜駆動部の傾斜駆動を制御する、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項10ないし14のいずれか1項に記載の寝姿勢制御ベッドシステムにおいて、
前記寝姿勢制御ベッドシステムは、前記床面に載置されるベッドマットを更に備え、
前記ベッドマットは、マット幅方向の両端部からベッド長手方向に沿う中央部に向かって窪んだ凹形状である、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項15に記載の寝姿勢制御ベッドシステムにおいて、
前記ベッドマットのベッド長手方向に直交する断面における凹形状が、楕円弧形状である、
ことを特徴とする寝姿勢制御ベッドシステム。 - 請求項10ないし14の何れか1項に記載の寝姿勢制御ベッドシステムにおいて、前記寝姿勢制御ベッドシステムは、前記床面に載置されるベッドマットを更に備え、
前記ベッドマットの中央部分の圧縮率が、両端部の圧縮率よりも大きいものである、
ことを特徴とする寝姿勢制御ベッドシステム。
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WO2015199137A1 (ja) * | 2014-06-25 | 2015-12-30 | 川崎重工業株式会社 | 介護用ベッド |
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JP2021509833A (ja) * | 2017-12-28 | 2021-04-08 | スリープ ナンバー コーポレイション | パートナーの応答に基づく鼾制御を備えたベッド |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9186479B1 (en) | 2014-06-05 | 2015-11-17 | Morphy Inc. | Methods and systems for gathering human biological signals and controlling a bed device |
US10406054B1 (en) * | 2015-02-18 | 2019-09-10 | Nuvasive, Inc. | Systems and methods for facilitating surgical procedures |
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US20180317661A1 (en) * | 2015-10-01 | 2018-11-08 | Yosef LUTWAK | Device system and method for exercising a seated user |
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US20170135881A1 (en) * | 2015-11-16 | 2017-05-18 | Eight Sleep Inc. | Adjustable bedframe and operating methods |
US10105092B2 (en) | 2015-11-16 | 2018-10-23 | Eight Sleep Inc. | Detecting sleeping disorders |
US10154932B2 (en) | 2015-11-16 | 2018-12-18 | Eight Sleep Inc. | Adjustable bedframe and operating methods for health monitoring |
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JP6626951B2 (ja) * | 2018-03-12 | 2019-12-25 | パラマウントベッド株式会社 | 電動家具 |
ES2702427B2 (es) * | 2018-03-19 | 2019-10-22 | Lluis Creus S L | Cama con control de posicion angular y procedimiento de cambio de posicion angular |
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CN114384817A (zh) * | 2022-01-13 | 2022-04-22 | 慕思健康睡眠股份有限公司 | 一种智能家居设备控制系统 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02125672U (ja) * | 1989-03-29 | 1990-10-16 | ||
JP2004008466A (ja) * | 2002-06-06 | 2004-01-15 | Paramount Bed Co Ltd | 起伏機能を有するベッド等における転落防止装置 |
JP2004121837A (ja) * | 2002-09-11 | 2004-04-22 | Sanyo Electric Co Ltd | 可動ベッド |
JP2005230511A (ja) * | 2004-01-19 | 2005-09-02 | Matsushita Electric Works Ltd | 睡眠時無呼吸症候群防止装置 |
JP2005270627A (ja) * | 2004-02-25 | 2005-10-06 | Paramount Bed Co Ltd | 気道確保ベッド及び気道確保方法 |
JP2006051212A (ja) * | 2004-08-12 | 2006-02-23 | Sanyo Electric Co Ltd | 転落防止ベッド |
JP3862668B2 (ja) * | 2002-04-15 | 2006-12-27 | パラマウントベッド株式会社 | ベッド等の仰臥台におけるボトムの連動昇降制御方法 |
JP2008131974A (ja) * | 2006-11-27 | 2008-06-12 | Showa Denko Kk | 睡眠時呼吸障害等対応ベッド |
Family Cites Families (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3041122A (en) * | 1960-09-26 | 1962-06-26 | Ritter Co Inc | Surgical table |
US3281141A (en) * | 1963-01-15 | 1966-10-25 | American Sterilizer Co | Surgical table |
US3584321A (en) * | 1969-09-12 | 1971-06-15 | Donald L Buchanan | Hydraulic positioning bed for radioisotope scanning |
US3635461A (en) * | 1969-11-14 | 1972-01-18 | American Sterilizer Co | Surgical table and control |
US3754749A (en) * | 1971-06-25 | 1973-08-28 | Medical Eng Dev Co | Multi-articulated table |
US4258445A (en) * | 1976-07-15 | 1981-03-31 | Zur Henry C | Beds and adjustable body supporting assemblies |
USD255402S (en) * | 1977-08-08 | 1980-06-17 | Maxwell Products, Inc. | Adjustable bed |
US4225988A (en) * | 1979-01-30 | 1980-10-07 | Cary George R | Ortho-turn bed |
JPS5660508A (en) * | 1979-10-22 | 1981-05-25 | France Bed Co | Matless apparatus |
JPS5712947Y2 (ja) | 1979-10-22 | 1982-03-15 | ||
US4527298A (en) * | 1982-03-18 | 1985-07-09 | Moulton Lee A | Electro pneumatic bed |
US4882797A (en) * | 1987-07-15 | 1989-11-28 | Hausted, Inc. | Ophthalmic surgery stretcher |
JP2745383B2 (ja) | 1994-03-30 | 1998-04-28 | 忠 井浦 | 背上げ可能なベッド |
US5754998A (en) * | 1996-08-19 | 1998-05-26 | Selton; Daniel E. | Therapeutic bedding pad |
CN1257694C (zh) * | 1999-12-23 | 2006-05-31 | 奇莫塞斯股份公司 | 用于坐和/或卧具的衬垫的可电动机驱动调整的支架 |
DE19962541C3 (de) * | 1999-12-23 | 2003-11-27 | Ag Goldingen Cimosys | Motorisch verstellbare Stützeinrichtung für eine Polsterung eines Sitz- und/oder Liegemöbels, beispielsweise einer Matratze oder eines Bettes |
CA2337994C (en) * | 2001-02-26 | 2011-07-05 | Probed Medical Technologies Inc. | Bed with adjustable positions |
US6870341B2 (en) | 2002-04-15 | 2005-03-22 | Paramount Bed Co., Ltd. | Method of controlling the coordinative lifting of bottom sections of lying furniture such as a bed |
JP2004016387A (ja) | 2002-06-14 | 2004-01-22 | Mitsuru Okamura | 介護ベッド |
DE20211071U1 (de) * | 2002-07-22 | 2003-12-11 | Dewert Antriebs- Und Systemtechnik Gmbh & Co Kg | Liegeelement |
US7036165B2 (en) * | 2003-04-02 | 2006-05-02 | L&P Property Management Company | Adjustable bed with automatic adjusting head section |
JP4236537B2 (ja) * | 2003-08-08 | 2009-03-11 | 三洋電機株式会社 | いびき防止装置 |
JP2005168554A (ja) | 2003-12-08 | 2005-06-30 | Toshihiko Ono | 介護ベッド |
JP2006026224A (ja) * | 2004-07-20 | 2006-02-02 | Sanyo Electric Co Ltd | 静電容量検知型睡眠センサ |
US7565708B2 (en) * | 2005-02-22 | 2009-07-28 | Jackson Roger P | Patient positioning support structure |
JP2007222463A (ja) | 2006-02-24 | 2007-09-06 | Yokogawa Electric Corp | 体位変換装置 |
JP2007222462A (ja) | 2006-02-24 | 2007-09-06 | Yokogawa Electric Corp | 体位変換装置 |
CN2902249Y (zh) * | 2006-03-17 | 2007-05-23 | 江苏科技大学 | 护理保健床 |
JP2008107258A (ja) | 2006-10-27 | 2008-05-08 | Matsushita Electric Works Ltd | 頭位置検出装置及び目覚まし照明装置 |
DE102006052699B4 (de) * | 2006-11-07 | 2008-10-02 | Barthelt, Hans-Peter, Dipl.-Ing. | Pflegebett mit verstellbarem Kopfteil |
US7522062B2 (en) * | 2006-12-29 | 2009-04-21 | L&P Property Managment Company | Anti-snore bedding having adjustable portions |
US8821418B2 (en) * | 2007-05-02 | 2014-09-02 | Earlysense Ltd. | Monitoring, predicting and treating clinical episodes |
US7913336B2 (en) * | 2007-08-14 | 2011-03-29 | Stryker Corporation | Shearless pivot for bed |
CN101536954A (zh) * | 2008-03-21 | 2009-09-23 | 黄致诚 | 防止打鼾的安眠床 |
CN201200563Y (zh) * | 2008-05-07 | 2009-03-04 | 上海理工大学 | 防坠护理床 |
US7559102B1 (en) * | 2008-05-14 | 2009-07-14 | Bedlab, Llc | Adjustable bed with sliding subframe for torso section |
US8410942B2 (en) * | 2009-05-29 | 2013-04-02 | L&P Property Management Company | Systems and methods to adjust an adjustable bed |
JP5559877B2 (ja) * | 2009-06-05 | 2014-07-23 | アドバンスド ブレイン モニタリング,インコーポレイテッド | 体位制御のためのシステムおよび方法 |
CN102458339B (zh) * | 2009-06-11 | 2013-11-06 | 八乐梦医用床有限公司 | 床装置 |
US20120159712A1 (en) * | 2010-12-22 | 2012-06-28 | Chin-Shun Lee | Bed structure |
US8418290B2 (en) * | 2011-01-11 | 2013-04-16 | Ruoey Lung Enterprise Corp. | Motorized bed preventing a person from being jammed |
EP2484327A3 (en) * | 2011-02-08 | 2013-10-09 | Hill-Rom Services, Inc. | Occupant support with multi-modal contol |
US20140039351A1 (en) * | 2011-03-04 | 2014-02-06 | Stryker Corporation | Sensing system for patient supports |
TWM418685U (en) * | 2011-07-26 | 2011-12-21 | Ruoey Lung Entpr Corp | Electric massaging bed |
US9482707B2 (en) * | 2012-01-09 | 2016-11-01 | L&P Property Management Company | Occupancy detection for automated recliner furniture |
CN102600030A (zh) * | 2012-04-06 | 2012-07-25 | 何斌 | 一种电控解便护理床 |
US20150136146A1 (en) * | 2012-05-22 | 2015-05-21 | Hill-Rom Services, Inc. | Adverse event mitigation systems, methods and devices |
AR091609A1 (es) * | 2012-06-28 | 2015-02-18 | Ergomotion Inc | Camas articuladas y mecanismos de ajuste del soporte lumbar y del angulo del cuello de las mismas |
KR20140062891A (ko) * | 2012-11-15 | 2014-05-26 | 삼성전자주식회사 | 요람 장치 및 그 제어 방법 |
US20140237723A1 (en) * | 2013-02-28 | 2014-08-28 | Invacare Corporation | Adjustable bed |
US20140304915A1 (en) * | 2013-04-11 | 2014-10-16 | Charles A. Lachenbruch | Occupant Support Adapted to Manage Pressure Ulcer Risk and Associated Risk Management Methods |
-
2013
- 2013-08-19 WO PCT/JP2013/072124 patent/WO2014030620A1/ja active Application Filing
- 2013-08-19 CN CN201711153329.1A patent/CN107736969A/zh active Pending
- 2013-08-19 JP JP2014531622A patent/JP5831826B2/ja active Active
- 2013-08-19 US US14/405,047 patent/US9757295B2/en active Active
- 2013-08-19 CN CN201380032408.0A patent/CN104582661B/zh not_active Expired - Fee Related
-
2015
- 2015-10-14 JP JP2015202722A patent/JP6232665B2/ja active Active
-
2017
- 2017-05-08 US US15/589,407 patent/US9907716B2/en active Active
- 2017-08-31 JP JP2017166425A patent/JP6450431B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02125672U (ja) * | 1989-03-29 | 1990-10-16 | ||
JP3862668B2 (ja) * | 2002-04-15 | 2006-12-27 | パラマウントベッド株式会社 | ベッド等の仰臥台におけるボトムの連動昇降制御方法 |
JP2004008466A (ja) * | 2002-06-06 | 2004-01-15 | Paramount Bed Co Ltd | 起伏機能を有するベッド等における転落防止装置 |
JP2004121837A (ja) * | 2002-09-11 | 2004-04-22 | Sanyo Electric Co Ltd | 可動ベッド |
JP2005230511A (ja) * | 2004-01-19 | 2005-09-02 | Matsushita Electric Works Ltd | 睡眠時無呼吸症候群防止装置 |
JP2005270627A (ja) * | 2004-02-25 | 2005-10-06 | Paramount Bed Co Ltd | 気道確保ベッド及び気道確保方法 |
JP2006051212A (ja) * | 2004-08-12 | 2006-02-23 | Sanyo Electric Co Ltd | 転落防止ベッド |
JP2008131974A (ja) * | 2006-11-27 | 2008-06-12 | Showa Denko Kk | 睡眠時呼吸障害等対応ベッド |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015199137A1 (ja) * | 2014-06-25 | 2015-12-30 | 川崎重工業株式会社 | 介護用ベッド |
JP2016007425A (ja) * | 2014-06-25 | 2016-01-18 | 川崎重工業株式会社 | 介護用ベッド |
KR20170021333A (ko) * | 2014-06-25 | 2017-02-27 | 가와사끼 쥬고교 가부시끼 가이샤 | 개호용 베드 |
CN106659624A (zh) * | 2014-06-25 | 2017-05-10 | 川崎重工业株式会社 | 护理用床 |
KR101911189B1 (ko) * | 2014-06-25 | 2018-10-24 | 가와사끼 쥬고교 가부시끼 가이샤 | 개호용 베드 |
US10660808B2 (en) | 2014-06-25 | 2020-05-26 | Kawasaki Jukogyo Kabushiki Kaisha | Nursing bed |
CN104666008A (zh) * | 2015-02-09 | 2015-06-03 | 江苏怡龙医疗科技有限公司 | 一种能自动翻身的护理床 |
CN104666008B (zh) * | 2015-02-09 | 2017-06-16 | 江苏怡龙医疗科技有限公司 | 一种能自动翻身的护理床 |
JP2019507619A (ja) * | 2016-02-02 | 2019-03-22 | 麒盛科技股▲フン▼有限公司 | インテリジェント電動ベッドシステム |
JP2021509833A (ja) * | 2017-12-28 | 2021-04-08 | スリープ ナンバー コーポレイション | パートナーの応答に基づく鼾制御を備えたベッド |
JP7344879B2 (ja) | 2017-12-28 | 2023-09-14 | スリープ ナンバー コーポレイション | パートナーの応答に基づく鼾制御を備えたベッド |
CN113499147A (zh) * | 2021-08-25 | 2021-10-15 | 王国涛 | 一种神经科脑部固定机构 |
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US9757295B2 (en) | 2017-09-12 |
US20170281439A1 (en) | 2017-10-05 |
JPWO2014030620A1 (ja) | 2016-07-28 |
CN107736969A (zh) | 2018-02-27 |
US20150164721A1 (en) | 2015-06-18 |
JP2017225844A (ja) | 2017-12-28 |
CN104582661A (zh) | 2015-04-29 |
US9907716B2 (en) | 2018-03-06 |
JP6450431B2 (ja) | 2019-01-09 |
CN104582661B (zh) | 2017-11-28 |
JP6232665B2 (ja) | 2017-11-22 |
JP5831826B2 (ja) | 2015-12-09 |
JP2016027897A (ja) | 2016-02-25 |
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