WO2017061471A1 - 寝台装置 - Google Patents

寝台装置 Download PDF

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Publication number
WO2017061471A1
WO2017061471A1 PCT/JP2016/079628 JP2016079628W WO2017061471A1 WO 2017061471 A1 WO2017061471 A1 WO 2017061471A1 JP 2016079628 W JP2016079628 W JP 2016079628W WO 2017061471 A1 WO2017061471 A1 WO 2017061471A1
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WO
WIPO (PCT)
Prior art keywords
bed
height
sound
floor
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2016/079628
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English (en)
French (fr)
Japanese (ja)
Inventor
真人 下川
雄史 細川
想太 西浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paramount Bed Co Ltd
Original Assignee
Paramount Bed Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58487722&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2017061471(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Paramount Bed Co Ltd filed Critical Paramount Bed Co Ltd
Priority to SG11201801103SA priority Critical patent/SG11201801103SA/en
Priority to CN201680057712.4A priority patent/CN108135764B/zh
Priority to CN202010951885.9A priority patent/CN112057262B/zh
Publication of WO2017061471A1 publication Critical patent/WO2017061471A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • 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
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head-, foot- or like rests for beds, sofas or the like
    • A47C20/08—Head-, foot- or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
    • 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
    • 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
    • A61G7/05—Parts, details or accessories of beds
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • 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
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/20—Displays or monitors
    • 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

Definitions

  • the present invention relates to a bed apparatus.
  • the present application claims priority based on Japanese Patent Application No. 2015-198765 filed in Japan on October 06, 2015, the contents of which are incorporated herein by reference.
  • Patent Document 1 discloses an electric bed provided with an elevating device for elevating and lowering a bed frame and a switch for operating the elevating device.
  • Patent Document 2 discloses an electric bed that can raise and lower the bed frame in stages.
  • Patent Document 3 discloses an electric bed in which the raising / lowering speed of the bed frame is variable. These couch devices can adjust the height of the bed by raising and lowering the bed frame by operating a switch.
  • These electric beds are operated by the user of the electric bed or the caregiver of the user (hereinafter referred to as an operator) while visually checking the height of the bed supported by the bed frame from the floor. To do. At this time, the operator often looks at the bed from above, and it may be difficult to see the height of the bed. In particular, for example, in a dark room, it is difficult to visually recognize the height of the bed. In addition, when the height of the bed cannot be recognized, there is a risk that an article (such as a care product) placed around the electric bed is sandwiched between the bed and the floor.
  • an article such as a care product
  • the present invention has been made in view of the above-described problems, and an object thereof is to provide a bed apparatus that can easily recognize a change in bed height.
  • a bed apparatus includes a bed; a drive mechanism that raises and lowers the bed; a control unit that controls the drive mechanism; and notification information based on a command from the control unit.
  • a notification unit for reporting, and the control unit causes the notification unit to notify notification information of a different pattern according to a height of the bed from the floor.
  • the notification unit notifies different types of notification information according to the height of the bed from the floor.
  • the operator can grasp
  • the drive mechanism stops the descent operation when the height from the bed floor reaches the pause height. Thereby, the descent of the bed is temporarily stopped at the temporary stop height. Therefore, an operator who recognizes that the descent of the bed has stopped can check whether there is an obstacle between the bed and the floor.
  • control unit causes the notification unit to notify the notification information only when the height of the bed from the floor is equal to or lower than the pause height.
  • a configuration may be adopted.
  • the notification unit notifies the notification information only when the height from the bed floor is equal to or lower than the pause height. Thereby, the operator can recognize that the height from the bed of the bed is equal to or lower than the pause height without visually confirming the height of the bed by recognizing the notification information.
  • the notification unit includes a speaker; the control unit varies depending on a height of the bed from the floor. A notification information sound of a pattern is caused to be generated by the speaker as the notification information; a configuration may be adopted.
  • the speaker generates different patterns of notification information sound according to the height from the bed floor. Thereby, the operator can recognize the change in the height of the bed from the bed without visually checking the height of the bed by recognizing the pattern of the notification information sound.
  • the notification information sound has a pattern in which a sound generation period, which is a period during which sound is produced or continues to be produced, and a mute period, in which a sound is not produced, are alternately repeated.
  • At least one of the sound generation period and the mute period of the notification information sound is set shorter as the height from the bed floor is lower.
  • the notification information sound may be set so that at least one of sound pressure and frequency differs according to the height of the bed from the floor.
  • the operator can intuitively recognize the pattern of the notification information sound, and the height change from the bed floor can be observed without visually checking the bed height. Can be recognized.
  • a stop sound is a sound for notifying that the descent of the couch has stopped
  • a configuration may be adopted in which the speaker is caused to pronounce.
  • the image processing apparatus further includes a detection unit that detects an environmental change around the bed; the control unit is based on an input from the detection unit
  • the configuration may be such that at least one of the sound pressure of the notification information sound and the frequency of the notification information sound is changed.
  • the speaker generates a notification information sound having a sound pressure or frequency corresponding to the environmental change around the bed apparatus. Therefore, it is possible to prevent the notification information sound from adversely affecting the surrounding environment.
  • an operation unit to which an elevation instruction is input is further provided;
  • the notification unit includes a vibration generation unit that vibrates the operation unit;
  • the control unit may cause the vibration generating unit to oscillate vibrations of different patterns according to the height of the bed from the floor.
  • the vibration generator oscillates with different patterns depending on the height from the bed floor.
  • the operator who operates the operation unit can recognize the change in the height from the bed floor by recognizing the vibration pattern without visually confirming the height of the bed.
  • the notification unit includes a display unit that displays the notification information; warnings of different patterns according to the height of the bed from the floor
  • the display may be displayed on the display unit as the notification information.
  • the display unit displays warnings of different patterns according to the height from the bed floor. Thereby, the operator can recognize the change in the height from the bed floor by recognizing the display on the display unit.
  • control unit causes the notification unit to notify notification information of a different pattern according to the height from the bed floor. Therefore, since the operator can recognize the notification information without checking the height of the bed from the floor directly, the operator can easily recognize the change in the height of the bed.
  • FIG. 1 is a side view of the bed apparatus A according to the present embodiment.
  • the H direction in FIG. 1 is the direction with the head of the user (not shown) on the couch device A
  • the F direction indicates the direction with the feet of the user on the couch device A.
  • the H direction (head side) is the front direction
  • the F direction (foot side) is the rear direction
  • the right side when the user is lying on the bed 200 described later is the right side
  • the left side is the left side.
  • the couch device A includes a support gantry 100, a couch 200, a drive mechanism 300, a control mechanism 400, and an operation unit 500.
  • the support frame 100 includes a base frame 110, a main frame 111, an elevating mechanism 120, and a board 130.
  • the base frame 110 is a rectangular member that is installed on a floor (floor surface, installation surface) FL.
  • the base frame 110 includes a leg member 100a at each end that comes into contact with the floor FL.
  • These leg members 100a are rubber cover members that are installed to prevent damage to the floor FL due to concentration of loads on the floor FL.
  • the main frame 111 is a rectangular frame member in plan view and directly supports the bed 200. Further, the main frame 111 includes an option mounting portion 110a.
  • the option mounting portion 110a is provided with a pair of left and right with the main frame 111 interposed therebetween, and further provided with a pair in the front-rear direction with a space therebetween.
  • These optional attachment portions 110a are members for fixing a fall prevention fence body (not shown).
  • the elevating mechanism 120 includes a first link 120a, a second link 120b, and a connecting pin 120c.
  • the first link 120 a is a rod-shaped member that connects the base frame 110 and the main frame 111.
  • the first link 120a is fixed to the base frame 110 and is fixed to the main frame 111 so as to be slidable in the front-rear direction.
  • the second link 120b is a rod-shaped member that connects the base frame 110 and the main frame 111, and is installed so as to intersect the first link 120a.
  • the second link 120b is fixed to the main frame 111 and is fixed to the base frame 110 so as to be slidable in the front-rear direction.
  • the connecting pin 120c connects the first link 120a and the second link 120b so that both members can rotate around the crossing position of the first link 120a and the second link 120b.
  • a pair of such elevating mechanisms 120 is provided on the left and right in the forward direction.
  • These lifting mechanisms 120 are members that support the main frame 111 so that the main frame 111 can be lifted and lowered by the first link 120a and the second link 120b.
  • the board 130 is fixed to the main frame 111 and rises above the bed surface 200.
  • the board 130 is provided with a pair on the front and rear sides of the main frame 111, and rises from both ends of the second vertical member 33 in the front-rear direction.
  • the support frame 100 having such a configuration supports the bed 200 by connecting the main frame 111 that directly supports the bed 200 and the base frame 110 that is directly installed on the floor FL by the lifting mechanism 120. Further, the support base 100 allows the bed 200 supported by the main frame 111 to be lifted and lowered by the lifting mechanism 120.
  • the bed 200 is a flat plate-like member, and is arranged on the support frame 100 as shown in FIG. Note that a mattress (not shown) is installed on such a bed 200.
  • FIG. 2 is a functional block diagram of the drive mechanism 300, the control mechanism 400, and the operation unit 500.
  • the drive mechanism 300 is connected to the first link 120a by a connection portion (not shown) and is installed inside the main frame 111.
  • the drive mechanism 300 includes a motor 330 and a position information detection unit 331.
  • the motor 330 has a rotating shaft (not shown) that is rotated, and generates power for moving the bed 200 up and down.
  • the position information detection unit 331 detects the rotation amount of the motor 330 as information related to the height h from the floor FL (the installation surface of the base frame 110) of the bed 200, and inputs the detected information to the first control unit 440 described later.
  • Such a drive mechanism 300 is connected to a power source (not shown), and rotates the first link 120a clockwise or counterclockwise to raise or lower the bed 200 according to an instruction from the first control unit 440.
  • the control mechanism 400 is fixed to the support frame 100 and connected to a power source (not shown).
  • the control mechanism 400 includes a first control unit 440, a storage unit 441, and an environment detection unit 442.
  • the first control unit 440 controls the motor 330 based on the data acquired from the position information detection unit 331. Further, the first control unit 440 determines the brightness of the room based on the signal input from the environment detection unit 442, and transmits an instruction regarding the volume (sound pressure) of the speaker 552 to the second control unit 550. That is, the first control unit 440 changes the sound pressure of the buzzer sound (notification information sound) based on the input from the environment detection unit 442.
  • the storage unit 441 is a memory that transmits and receives data to and from the first control unit 440 in response to a request from the first control unit 440.
  • the storage unit 441 also has a maximum floor height that is the height at which the height h of the bed 200 from the floor FL is maximum, a temporary stop height, and a minimum floor height that is the lower limit of the bed 200 that can be lowered.
  • the buzzer sound pattern and the program executed by the first control unit 440 are stored in advance.
  • the pause height is a height from the floor FL when the descent of the bed 200 is temporarily stopped, and is determined in advance when the bed apparatus A is manufactured. In the present embodiment, as an example, the temporary stop height is set to 29 cm (290 mm).
  • the environment detection unit 442 (detection unit) is an illuminance sensor that detects the brightness of the room in which the bed apparatus A is installed. The environment detection unit 442 outputs a detected illuminance signal to the first control unit 440.
  • FIG. 3 is a front view of the operation unit 500.
  • the operation unit 500 is connected to the control mechanism 400 via a cable (not shown).
  • the operation unit 500 includes a second control unit 550, an input unit 551, a speaker 552, and a display unit 553.
  • the second control unit 550 controls the speaker 552 and the display unit 553 based on an instruction from the first control unit 440 and a signal input from the input unit 551.
  • the 1st control part 440 and the 2nd control part 550 function as a control part in this invention by cooperating.
  • the input unit 551 has a down switch 551a, an up switch 551b, and a volume control button (not shown).
  • the lowering switch 551a is a switch that an operator operates to lower the bed 200.
  • the raising switch 551b is a switch that an operator operates to raise the bed 200.
  • the descending switch 551a and the ascending switch 551b are turned on only while the operator continues to press down.
  • the volume control button is a button for the operator to adjust the volume of the speaker 552. In addition, the operator can set the buzzer sound not to sound by operating the volume control button.
  • the speaker 552 generates a buzzer sound based on an instruction from the second control unit 550.
  • the speaker 552 corresponds to a notification unit in the present invention.
  • the display unit 553 is a monitor on which information such as the height h of the bed 200 is displayed based on an instruction from the second control unit 550.
  • Such a bed apparatus A is an electric bed in which the height h from the floor FL of the bed 200 can be adjusted by the user or the caregiver of the user.
  • the raising / lowering operation of the bed 200 from the operator is input from the operation unit 500 placed at the operator's hand.
  • the couch device A moves up and down the couch 200 based on this input.
  • FIG. 4 is a flowchart showing an outline of the descending operation of the bed 200. As shown in FIG. 4, when the lowering switch 551a is pressed, the lowering of the bed 200 is started (step S1). When the height h of the bed 200 from the floor FL reaches the pause height, a buzzer (pause sound) is generated from the speaker 552, and the descending operation of the bed 200 is stopped (step S2).
  • step S3 When the height h of the bed 200 from the floor FL becomes the minimum floor height, a buzzer (final stop sound) is generated from the speaker 552, and the descent of the bed 200 is stopped (step S4).
  • FIG. 5 is a flowchart showing details of the operation when the bed 200 is lowered.
  • step S11 it is determined whether or not the lowering switch 551a is ON (step S11).
  • the second control unit 550 determines whether or not the lowering switch 551a is ON.
  • the lowering of the bed 200 is stopped (step S12). If it is determined that the lowering switch is ON, it is determined whether the bed height h is higher than the pause height (step S13).
  • the first control unit 440 compares the height h from the floor FL of the bed 200 acquired from the position information detection unit 331 with the pause height (29 cm) stored in the storage unit 441.
  • the first control unit 440 rotates the motor 330 and the bed 200 Is lowered (step S14).
  • the first control unit 440 compares the height h from the floor FL of the bed 200 acquired from the position information detection unit 331 with the temporary stop height stored in the storage unit 441. If the height h of the bed 200 from the floor FL is higher than the pause height, that is, if the determination is NO in step S15, the process returns to step S11 again.
  • the first control unit 440 stops the operation of the motor 330 and lowers the bed 200.
  • a temporary stop state is set (step S16).
  • the first control unit 440 causes the speaker 552 to sound a buzzer sound (alarm sound) indicating that the bed 200 has reached the temporary stop height (step S17).
  • movement of this step S16 and step S17 is random, and it is good also as performing step S17 previously and performing step S16 later.
  • the first control unit 440 determines whether the lowering switch 551a is ON.
  • the first control unit 440 stops the lowering of the bed 200 (Step S19) and returns to Step S18 again.
  • the bed 200 is lowered from a position higher than the pause height, even if the user keeps pressing the lowering switch 551a, the bed 200 continues to be stopped at the pause height. That is, even if the operator continues to press the lowering switch 551a, the bed 200 does not lower in step S19.
  • step S11 the process returns to step S11 again.
  • the operator needs to release the lowering switch 551a and press it again.
  • the determination in step S11 is YES, and the process proceeds to step S13.
  • step S13 when the height h of the bed 200 from the floor FL is equal to or lower than the pause height, that is, when the determination is NO, the height of the bed 200 from the floor FL according to the unit interval period t3 in Table 1.
  • a buzzer sound is generated with a buzzer sound pattern corresponding to h (step S20).
  • the first control unit 440 changes the sound pressure of the buzzer sound based on the input from the environment detection unit 442.
  • FIG. 6 is an example of a buzzer sound pattern (alarm sound pattern) generated by the speaker 552.
  • t1 indicates a sound generation period (100 ms) in which a sound (buzzer sound) continues to sound from the speaker 552, and t2 indicates a mute period (50 ms) in which no sound is output from the speaker 552.
  • the horizontal direction on the right side of the paper indicates the traveling direction of the time
  • the vertical direction on the paper indicates the presence or absence of a buzzer sound
  • the solid line is located on the upper side of the paper at a predetermined time. It means that no sound is produced from the speaker 552 when a sound is produced from the speaker 552 and the solid line is located on the lower side of the drawing.
  • t3 indicates a unit interval period (variable).
  • the sound generation period t1 + the mute period t2 + the sound generation period t1 is set as one unit, and this unit U (see FIG. 6) is sounded a plurality of times with a unit interval period t3, thereby alerting the operator.
  • the unit interval period t3 of the buzzer sound is set so that the unit interval period t3 becomes shorter as the height h from the floor FL to the bed 200 becomes lower, according to Table 1 below.
  • the unit interval period t3, which is a period during which no sound is generated is set to be shorter as the height h from the floor FL of the bed 200 becomes lower. Function as.
  • the unit interval period t3 functioning as the mute period is gradually shortened while keeping the period (2 ⁇ t1 + t2) of one unit U functioning as the sound generation period constant.
  • the pattern of the buzzer sound changes according to the height h of the bed 200 from the floor FL. Note that the output value of the height h from the floor FL of the bed 200 detected by the position information detection unit 331 is in centimeters (cm) with the decimal part truncated.
  • the first control unit 440 controls the motor 330 to start lowering the bed 200 (step S21).
  • the first control unit 440 determines whether or not the height h of the bed 200 from the floor FL has reached the minimum floor height that is the lower limit of the descendable height (step S22). If it is higher than the minimum floor height, that is, if the determination is NO in step S22, the process returns to step S11.
  • the first control unit 440 stops the descent of the bed 200 (Step S23). At this time, a long stop buzzer sound (stop sound) may be generated together with the stop of the lowering of the bed 200.
  • the first control unit 440 and the second control unit that cause the speaker 552 to emit a buzzer sound having a different pattern according to the height h from the floor FL of the bed 200. 550. Thereby, the operator can confirm the change in the height h of the bed 200 from the floor FL without visually confirming the height h of the bed 200.
  • the bed apparatus A includes a storage unit 441 that stores the pause height.
  • the first control unit 440 temporarily stops the bed 200 from descending even if the operator continues to press the lowering switch 551a. Let Therefore, the operator who recognizes that the descent of the bed 200 has stopped can check whether there is an obstacle between the bed 200 and the floor FL.
  • the bed apparatus A of the present embodiment includes an environment detection unit 442.
  • the 1st control part 440 can set the sound pressure of the buzzer sound which the speaker 552 produces according to the brightness of the room where the bed apparatus A is installed. Therefore, a buzzer sound having a magnitude corresponding to the surrounding environment and the situation of the user of the bed apparatus A is generated, such as at bedtime. That is, the surrounding environment can be prevented from being hindered by the buzzer sound.
  • the bed apparatus B includes a bed 11, a support frame 12, a drive mechanism 13, a board 14, a control unit 15, and an operation unit 501.
  • the bed apparatus B is a so-called electric bed that uses electric power as a power source.
  • the bed 11 is longer in the front-rear direction than in the left-right direction when viewed in plan.
  • the bed 11 includes a back bottom 16, a waist bottom 17, and a leg bottom 18. They are in order.
  • the leg bottom 18 includes a knee bottom 19 and a foot bottom 20, and the knee bottom 19 and the foot bottom 20 are arranged in this order from the head side H to the foot side F.
  • the upper surface of the back bottom 16, the upper surface of the waist bottom 17, and the upper surfaces of the leg bottoms 18 each form a part of the bed surface 21.
  • the back bottom 16 corresponds to the portion of the bed surface 21 that supports the user's back
  • the waist bottom 17 corresponds to the portion of the bed surface 21 that supports the user's waist
  • the leg bottom 18 corresponds to the bed surface 21. It corresponds to the part that supports the upper user's leg.
  • the knee bottom 19 corresponds to a portion supporting the waist from the user's knee on the bed surface 21, and the foot bottom 20 corresponds to a portion supporting the foot tip from the user's knee on the bed surface 21.
  • the waist bottom 17 is formed to be stretchable in the front-rear direction.
  • the knee bottom 19 and the foot bottom 20 are connected so as to be rotatable around a bending shaft 22 extending in the left-right direction.
  • the bed surface 21 is an orthogonal surface orthogonal to the vertical direction in a standard state before the bed 11 is deformed (for example, turning with ups and downs) such as raising the back or knees by the drive mechanism 13.
  • the bed surface 21 is formed in a rectangular shape that is longer in the front-rear direction than in the left-right direction in plan view.
  • the longitudinal direction of the bed surface 21 (the bed 11) is the front-rear direction, and the short side direction of the bed surface 21 is the left-right direction.
  • a mattress (not shown) is disposed on the bed surface 21.
  • the support frame 12 supports the bed 11 and receives the loads of the bed 11 and the users on the bed 11.
  • the support frame 12 supports the back bottom 16 and the leg bottom 18 (movable bottom) so as to be rotatable around the rotation shafts 23 and 24 extending in the left-right direction. It is a Gatch bed.
  • the support frame 12 includes a base frame 25, a main frame 26, and an elevating mechanism 27.
  • the base frame 25 is installed on the floor FL and has a rectangular shape in plan view. As shown in FIG. 10, the base frame 25 includes a first vertical member 28 extending in the front-rear direction and a first horizontal member 29 extending in the left-right direction. A pair of first vertical members 28 are provided at intervals in the left-right direction. The 1st horizontal member 29 is constructed by the left-right paired 1st vertical member 28, and has connected both these 1st vertical members 28 in the left-right direction. A pair of first lateral members 29 are provided at intervals in the front-rear direction. The first transverse member 29 is fixed to the first longitudinal member 28 so as not to move.
  • the end of the first vertical member 28 in the front-rear direction protrudes outward in the front-rear direction from the first horizontal member 29, and a leg member 30 for installation is attached to each of these ends.
  • a rubber cover is employed as the leg member 30, but a caster may be employed instead of the rubber cover.
  • the main frame 26 directly supports the bed 11.
  • the main frame 26 includes a frame portion 31 that supports the bed 11 from below, and an option mounting portion 32 that protrudes from the frame portion 31 in the left-right direction and is disposed below the bed 11.
  • the frame portion 31 has a rectangular shape in plan view.
  • the frame portion 31 includes a second vertical member 33 (vertical member) extending in the front-rear direction and a second horizontal member 34 (receiving member) extending in the left-right direction.
  • a pair of second vertical members 33 are provided with a gap in the left-right direction.
  • the second horizontal member 34 is installed on a pair of left and right second vertical members 33 and connects both the second vertical members 33 in the left-right direction.
  • a plurality of second lateral members 34 are provided at intervals in the front-rear direction, and five in the illustrated example.
  • the second horizontal member 34 is fixed to the second vertical member 33 so as not to move.
  • An end portion in the front-rear direction of the second vertical member 33 protrudes in the front-rear direction from the second horizontal member 34 located on the outermost side in the front-rear direction among the plurality of second horizontal members 34.
  • a pair of left and right option mounting portions 32 are provided with the frame portion 31 therebetween, and a pair of left and right option mounting portions 32 are provided with a space in the front-rear direction.
  • Each option mounting portion 32 includes a pair of front and rear projecting members 35 extending in the left-right direction from the second vertical member 33, and an option receiver 36 mounted on both projecting members 35 so as to be slidable in the left-right direction. Yes.
  • the option receiver 36 protrudes from the bed 11 in the left-right direction.
  • a rail member for preventing falling is attached to and detached from the option receiver 36.
  • the main frame 26 is divided into a head side frame 37 and a foot side frame 38 along the front-rear direction.
  • each of the pair of second vertical members 33 is divided into a head-side member 33a and a foot-side member 33b along the front-rear direction.
  • the pair of left and right head side members 33a is connected to the two second side members 34 located on the head side H of the plurality of second side members 34, whereby a head side frame 37 is formed.
  • the pair of left and right foot side members 33b are connected to the three second lateral members 34 located on the foot side F of the plurality of second lateral members 34, thereby forming a foot side frame 38.
  • the option attachment portion 32 is disposed on each of the head side frame 37 and the foot side frame 38 in a pair of left and right.
  • the head side frame 37 is provided with a rear frame 39 to which the back bottom 16 is fixed, and a first rotation member 43 that rotates the rear frame 39 (back bottom 16) about the first rotation shaft 23. ing. Both the rear frame 39 and the first rotating member 43 are formed in an inverted U shape that opens toward the head side H in a plan view.
  • the rear frame 39 includes a pair of bottom support portions 40 provided at intervals in the left-right direction, and a connecting shaft 41 that connects the ends of the foot support F in the front-rear direction of the bottom support portion 40. An end portion of the connecting shaft 41 in the left-right direction protrudes from the bottom support portion 40 in the left-right direction.
  • the retro frame 39 is connected to the main frame 26 via a retro link 42.
  • a pair of retra links 42 is provided with the retra frame 39 sandwiched in the left-right direction.
  • the left and right end portions of the connecting shaft 41 are rotatably connected to the end portions on the foot side F of the respective retractor links 42.
  • An end portion on the head side H of each of the retractor links 42 is rotatably connected to the main frame 26 via the first rotation shaft 23.
  • the first rotation shaft 23 rotatably connects the retractor link 42 to the main frame 26.
  • the first rotating member 43 includes a pair of left and right first push-up arms 43a extending in the front-rear direction along the lower surface of the back bottom 16, and a pair of left and right first push-up arms 43a. And a first connecting portion 43b (receiving member) for connecting the two in the left-right direction.
  • the 1st connection part 43b has connected the edge part of the leg
  • An end portion in the left-right direction of the first connecting portion 43b protrudes from the first push-up arm portion 43a in the left-right direction, and is rotatably connected to the second vertical member 33.
  • the end portion on the head side H of the first push-up arm portion 43a is slidably in contact with the lower surface of the bottom support portion 40.
  • the end of the first push-up arm portion 43 a on the head side H slides with respect to the lower surface of the bottom support portion 40 by the first turning member 43 turning upward.
  • the first rotating member 43 pushes up the retractor frame 39.
  • the retractor link 42 rotates about the first rotation shaft 23, and the retractor frame 39 rotates about the connecting shaft 41.
  • FIG. 9 while the entire back bottom 16 is moved to the head side H, the back bottom 16 is swung up and down around the first rotation shaft 23, and the back bottom 16 is inclined with respect to the horizontal plane. This is a so-called back-up state.
  • the retra frame 39 in a back-up state is supported by a retra stay 44 extending in the front-rear direction.
  • the stay 44 for retra is provided between the retra frame 39 and the second horizontal member 34 that is located on the most head side H among the plurality of second horizontal members 34.
  • An end on the foot side F of the retractor stay 44 is rotatably connected to the retractor frame 39, and an end of the head side H of the retractor stay 44 is rotatably connected to the second lateral member 34.
  • the retra stay 44 supports the retra frame 39 in a back-up state from obliquely below the head side H.
  • the foot side frame 38 has a fixing member 45 to which the leg bottom 18 is fixed via the second rotation shaft 24, and the leg bottom 18 around the second rotation shaft 24. And a second rotating member 46 to be rotated.
  • the fixing member 45 is provided on the second lateral member 34 located closest to the head side H among the plurality of second lateral members 34 constituting the foot side frame 38.
  • the fixing member 45 protrudes from the second lateral member 34 toward the foot side F.
  • An end of the head side H of the leg bottom 18 is fixed to the fixing member 45 via the second rotation shaft 24 so as to be rotatable.
  • the second rotating member 46 is connected to the second vertical member 33 so as to be rotatable around the push-up shaft 47.
  • a pair of push-up shafts 47 are provided with the second rotating member 46 sandwiched in the left-right direction. These push-up shafts 47 are arranged coaxially with each other.
  • the second rotating member 46 is formed in an inverted U shape that opens to the foot side F in plan view.
  • the second rotating member 46 includes a pair of left and right second push-up arms 48 extending in the front-rear direction along the lower surface of the leg bottom 18 and a second connection portion that connects the pair of left and right second push-up arms 48 in the left-right direction. 49 (receiving member).
  • the second connecting portion 49 connects the ends on the head side H of the pair of left and right second push-up arm portions 48.
  • the end portion on the head side H of the second push-up arm portion 48 is connected to the second vertical member 33 via the push-up shaft 47.
  • the end portion on the foot side F of the second push-up arm portion 48 is slidably brought into contact with the lower surface of the knee bottom 19.
  • the second rotating member 46 rotates upward, so that the end of the foot side F of the second push-up arm portion 48 slides on the lower surface of the knee bottom 19, The second rotating member 46 pushes up the knee bottom 19. Then, as shown in FIG. 9, the knee bottom 19 rotates around the first rotation shaft 23, and the end of the foot side F in the knee bottom 19 rises, while the foot bottom 20 relatively moves toward the bending shaft 22. A so-called leg-raised state in which the portion corresponding to the knee on the bed surface 21 is bent so as to protrude upward is turned around.
  • the foot bottom 20 is provided with a foot raising stay 50.
  • the foot-lifting stay 50 holds the leg bottom 18 in a state where the foot-bottom is raised.
  • the leg bottom 18 in the foot-up state is formed by turning the leg bottom 20 upward about the bending axis 22 after the leg bottom 18 is in the leg-up state.
  • the foot raising stay 50 extends in the front-rear direction along the lower surface of the foot bottom 20.
  • An end of the foot side F in the foot tip raising stay 50 is rotatably connected to the foot bottom 20.
  • the end on the head side H of the foot raising stay 50 is a free end.
  • the entire foot raising stay 50 rotates downward and obliquely downwards from the foot bottom 20 to the head side H.
  • the end on the head side H of the foot raising stay 50 is locked to the second vertical member 33.
  • the end portion on the head side H in the waist bottom 17 is fixed to the rear frame 39, and the end portion on the foot side F in the waist bottom 17 is fixed to the fixing member 45.
  • the end of the head side H of the waist bottom 17 undulates together with the back bottom 16, so that the waist bottom 17 as a whole protrudes downward while extending in the front-rear direction. To curve.
  • the first rotating member 43 and the second rotating member 46 rotate the back bottom 16 and the leg bottom 18 from the above-described standard state, so that the bed 11 is shown by a two-dot chain line in FIG.
  • the typical use state is such that the back is raised and the legs are raised (knees raised).
  • the elevating mechanism 27 elevates the main frame 26 with respect to the base frame 25.
  • the elevating mechanism 27 employs a so-called X link structure.
  • the elevating mechanism 27 includes a first link 51, a second link 52, and a connecting rod 53 (receiving member).
  • a pair of the first link 51 and the second link 52 are provided at intervals in the left-right direction.
  • the first link 51 and the second link 52 both extend in the front-rear direction, and the center portions of the first link 51 and the second link 52 in the front-rear direction are connected to each other via a connecting pin 54 so as to be rotatable. Has been.
  • Each connecting rod 53 connects both ends in the front-rear direction in each of the pair of left and right first links 51 and both ends in the front-rear direction in each of the pair of left and right second links 52.
  • the connecting rod 53 that connects the end of the head side H of the first link 51 is rotatably connected to the first vertical member 28, and is connected to the head side H of the second link 52.
  • the connecting rod 53 that connects the end portions is rotatably connected to the second vertical member 33.
  • the connecting rod 53 that connects the end of the first link 51 on the foot side F is mounted on the upper guide portion 55 provided on the second vertical member 33, and A connecting rod 53 that connects the ends of the foot side F is attached to a lower guide portion 56 provided on the first vertical member 28.
  • Each of the upper guide portion 55 and the lower guide portion 56 supports the connecting rod 53 slidably along the front-rear direction.
  • the elevating mechanism 27 when the first link 51 is rotated upward, the second link 52 is also rotated upward. At this time, the end portion of the foot side F in the first link 51 and the end portion of the foot side F in the second link 52 are guided to the head side H by the upper guide portion 55 or the lower guide portion 56, respectively.
  • the link 51 and the second link 52 rotate, and the main frame 26 rises with respect to the base frame 25.
  • the drive mechanism 13 is attached to the support base 12 and moves the movable portion 57 that is at least a part of the bed 11 and the support base 12.
  • the drive mechanism 13 is a linear actuator that expands and contracts in the front-rear direction, and moves the movable portion 57 by extending and contracting in the front-rear direction.
  • the drive mechanism 13 rotates the bottom drive mechanism 58 that rotates the back bottom 16 or the leg bottom 18 (movable bottom) as the movable portion 57 and the first link 51 or the second link 52 (link) as the movable portion 57.
  • a link drive mechanism 59 to be moved.
  • the bottom drive mechanism 58 includes a first drive mechanism 58 a that rotates the back bottom 16 and a second drive mechanism 58 b that rotates the leg bottom 18.
  • the first drive mechanism 58a is disposed in a portion of the support gantry 12 that is located on the head side H along the front-rear direction.
  • the first drive mechanism 58a extends in the front-rear direction to rotate the first rotation member 43 upward.
  • the 1st drive mechanism 58a is provided between the 2nd horizontal member 34 located in the most head side H among the some 2nd horizontal members 34, and the 1st connection part 43b.
  • the first drive mechanism 58a is coupled to the second lateral member 34 and the first coupling portion 43b via an attachment member 60 protruding from the second lateral member 34 and the first coupling portion 43b.
  • the first drive mechanism 58a is rotatably connected to the attachment member 60.
  • the second drive mechanism 58b is disposed at the center in the front-rear direction of the support frame 12.
  • the second drive mechanism 58b extends in the front-rear direction to rotate the second rotation member 46 upward.
  • the second drive mechanism 58 b includes a second lateral member 34 that is located closest to the head side H among the plurality of second lateral members 34 provided on the foot side frame 38, and a second connecting portion of the second rotating member 46. 49.
  • the second drive mechanism 58 b is coupled to the second lateral member 34 and the second coupling portion 49 via attachment members 60 protruding from the second lateral member 34 and the second coupling portion 49, respectively.
  • the second drive mechanism 58b is rotatably connected to the attachment member 60.
  • the link drive mechanism 59 is disposed on the support base 12 at a portion located on the foot side F along the front-rear direction.
  • the link drive mechanism 59 extends in the front-rear direction to rotate the first link 51 upward.
  • the link drive mechanism 59 is provided between the first link 51 and the connecting rod 53 that connects the ends of the first link 51 on the foot side F among the plurality of connecting rods 53.
  • the link drive mechanism 59 is connected to the connecting rod 53 via an attachment member 60 protruding from the connecting rod 53.
  • the link drive mechanism 59 is connected to the first link 51 via the conversion mechanism 61.
  • the conversion mechanism 61 converts the expansion / contraction motion of the link drive mechanism 59 into the rotational motion of the first link 51.
  • the link drive mechanism 59 is rotatably connected to the attachment member 60 and the conversion mechanism 61.
  • the board 14 is fixed to the support frame 12 and rises above the bed surface 21.
  • the board 14 is provided with a pair of front and rear, and rises from both ends of the second vertical member 33 in the front-rear direction.
  • the control unit 15 controls the drive mechanism 13.
  • the control unit 15 is electrically connected to the drive mechanism 13.
  • a power cord C and an operation unit 501 described later are electrically connected to the control unit 15.
  • the control unit 15 is supplied with power from the outside via the power cord C and receives an instruction from the outside via the operation unit 501. That is, the control unit 15 controls the drive mechanism 13 based on an instruction from the operation unit 501 shown in FIG.
  • FIG. 14 is a front view of the operation unit 501 applied to the bed apparatus B.
  • the operation unit 501 includes a second control unit 550, an input unit 551, a speaker 552, and a display unit 553.
  • the input unit 551 includes, in addition to the lowering switch 551a and the raising switch 551b, a leg lowering switch 551c, a leg raising switch 551d, a back lowering switch 551e, a back raising switch 551f, Down) switch 551g and interlocking (back / leg raising) switch 551h.
  • the leg lowering switch 551c is a switch for moving the knee bottom 19 and the foot bottom 20 from the leg-raised state in a direction horizontal to the floor FL.
  • the leg raising switch 551d is operated when the knee bottom 19 and the leg bottom 20 are moved to the leg raising state.
  • the back lowering switch 551e is operated when the back bottom 16 is moved from the back-up state to the horizontal direction on the floor FL.
  • the back raising switch 551f is operated when the back bottom 16 is moved to the back raising state.
  • the back / leg lowering switch 551g is operated when the back bottom 16 and the knee bottom 19 are moved in conjunction with the floor FL from the back-up state and the leg-up state.
  • the back / leg raising switch 551h is operated when the back bottom 16 and the knee bottom 19 are moved in conjunction with each other to move to the back raising state and the leg raising state.
  • the speaker 552 generates a buzzer pattern having a pattern as shown in FIG. 6, but the present invention is not limited to this.
  • the speaker 552 may perform information notification by voice. If information notification is performed by voice, the operator can more easily recognize the height h of the bed 200 from the floor FL.
  • the first control unit 440 may cause the display unit 553 to display different types of notification information according to the height h of the bed 200 from the floor FL.
  • the display unit 553 may include an LED light or the like, and may emit light with different patterns (flashing intervals, colors, combinations thereof, or the like) depending on the height h of the bed 200 from the floor FL. In this case, the display unit 553 can function as a notification unit in the present invention.
  • FIG. 7 is a functional block diagram of a modified example of the drive mechanism 300, the control mechanism 400, and the operation unit 500.
  • the operation unit 500 further includes a vibration generation unit 554, and the first control unit 440 and the second control unit 550 vibrate in different patterns according to the height h from the floor FL of the bed 200.
  • the generator 554 may be oscillated.
  • the operation unit 500 includes the vibration generation unit 554, the operator can recognize the change in the height h from the floor FL of the bed 200 also by the vibration pattern of the operation unit 500 at hand.
  • the vibration generating unit 554 can function as a notification unit in the present invention.
  • a configuration including at least one of the speaker 552, the display unit 553, and the vibration generation unit 554 can be employed as the notification unit.
  • the buzzer sound is generated only when the height h of the bed 200 from the floor FL is equal to or lower than the pause height in the descending operation of the bed 200. It is not limited only to this. When the descending operation of the bed 200 is performed, a buzzer sound may be generated. Further, even when the bed 200 is raised, a buzzer sound may be generated.
  • the environment detection unit 442 is an illuminance sensor, and the first control unit 440 changes the sound pressure of the buzzer sound based on the input from the environment detection unit 442.
  • the invention is not limited to this.
  • the environment detection unit 442 may be a sound sensor such as a microphone.
  • a detection unit that detects a change in the surrounding environment can be appropriately employed. For example, it is possible to change the volume pattern of the buzzer sound according to the time, for example, by adopting a clock as the environment detection unit 442 and lowering the sound pressure of the buzzer sound based on the time, for example, at night.
  • the first control unit 440 may change the frequency of the buzzer sound based on the signal from the environment detection unit 442. In this case, for example, the frequency of the buzzer sound may be set to be switchable between 2.7 kHz and 1.2 kHz.
  • the environment detection part 442 shall be provided in the control mechanism 400, this invention is not limited only to this.
  • the environment detection unit 442 may be provided in the operation unit 500.
  • the environment detection unit 442 may be included in the support frame 100.
  • the unit interval period t3 is changed in accordance with the height h of the bed 200 from the floor FL, so that a buzzer sound having a different pattern is generated from the speaker 552.
  • the buzzer sound having a different pattern may be generated from the speaker 552 by changing at least one of the sound pressure of the buzzer sound and the frequency of the buzzer sound according to the height h of the bed 200 from the floor FL.
  • the operator can intuitively recognize the notification information sound pattern, and the height h of the bed 200 from the floor FL can be checked without visually checking the height h of the bed 200. Change can be recognized.
  • the buzzer sound is generated simultaneously with the descending operation of the bed 200, but the present invention is not limited to this.
  • the buzzer sound may sound before the descending operation of the bed 200. Assuming that the buzzer sounds before the descent operation, the buzzer sound is generated earlier than the operation of the bed 200, so that the operator can safely operate in anticipation of the operation of the bed 200. Furthermore, it is good also as a structure which sounds a buzzer also at the time of raise operation
  • the first control unit 440 reduces the rotation speed of the motor 330 when the height h from the floor FL of the bed 200 is equal to or lower than the pause height. It is also possible to slow down the descending speed of the bed 200.
  • the unit interval period t3 is shortened as the height h from the floor FL of the bed 200 is decreased.
  • the present invention is not limited to this.
  • the unit interval period t3 is constant, the period (2 ⁇ t1 + t2) of one unit U may be shortened as the height h from the floor FL of the bed 200 decreases.
  • the unit interval period t3 is eliminated, and the sound generation period t1 and the mute period t2 are alternately repeated.
  • the lower the height h of the bed 200 from the floor FL the lower the sound generation period t1 and the mute period t2. It is good also as a structure where at least one of them becomes short.
  • the sound generation period t1 functions as the sound generation period of the present invention
  • the mute period t2 functions as the mute period of the present invention.
  • the control unit causes the notification unit to notify notification information of a different pattern according to the height of the bed from the floor FL. Therefore, the operator can confirm the height of the bed from the floor FL without recognizing the bed by recognizing the notification information, so that the change in the bed height can be easily recognized.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Invalid Beds And Related Equipment (AREA)
PCT/JP2016/079628 2015-10-06 2016-10-05 寝台装置 Ceased WO2017061471A1 (ja)

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SG11201801103SA SG11201801103SA (en) 2015-10-06 2016-10-05 Sleeping apparatus
CN201680057712.4A CN108135764B (zh) 2015-10-06 2016-10-05 电动床
CN202010951885.9A CN112057262B (zh) 2015-10-06 2016-10-05 电动床

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CN108135764B (zh) 2020-10-16
CN112057262B (zh) 2022-09-27
CN108135764A (zh) 2018-06-08
CN112057262A (zh) 2020-12-11
SG11201801103SA (en) 2018-05-30
JP6460954B2 (ja) 2019-01-30
SG10202006980VA (en) 2020-08-28
JP2017070442A (ja) 2017-04-13

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