EP2536375B1 - Dispositif et procédé de mise en position latérale de personnes - Google Patents

Dispositif et procédé de mise en position latérale de personnes Download PDF

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Publication number
EP2536375B1
EP2536375B1 EP11704547.6A EP11704547A EP2536375B1 EP 2536375 B1 EP2536375 B1 EP 2536375B1 EP 11704547 A EP11704547 A EP 11704547A EP 2536375 B1 EP2536375 B1 EP 2536375B1
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EP
European Patent Office
Prior art keywords
sensor
air
mattress
inclined position
actuator
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Application number
EP11704547.6A
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German (de)
English (en)
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EP2536375B8 (fr
EP2536375A1 (fr
Inventor
Ralf Matschurek
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Ekamed & Co KG GmbH
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Ekamed & Co KG GmbH
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Publication of EP2536375A1 publication Critical patent/EP2536375A1/fr
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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
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/42—General characteristics of devices characterised by sensor means for inclination
    • 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
    • A61G7/05769—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers

Definitions

  • the invention relates to a side storage device for variable lateral storage of a person lying down according to claim 1.
  • the invention further relates to a method according to claim 9.
  • the invention relates to the field of decubitus prophylaxis and therapy in long term individuals.
  • so-called alternating pressure mattresses have long been known in which automatically the pressure distribution in the mattress and thus the contact pressure at the individual body parts of a person lying on the mattress - hereinafter also referred to as a patient - is varied.
  • a patient - Such a system is for example from the DE 40 23 289 C2 known.
  • Recent findings show that the frequently changing pressure distribution to which the patient's body is exposed can also be associated with disadvantages. For example, some patients complain of disorientation as a result of changing pressure distribution. The more recent findings are therefore to relocate the patient more often laterally and thereby avoid the unwanted sore spots on the body of the patient.
  • the invention is therefore based on the object of providing a contrast improved device, with an effective decubitus prophylaxis and - therapy is possible.
  • the invention is also based on the object of specifying an advantageous method for this purpose.
  • a side support device for variable lateral support of a person lying is proposed.
  • Such a system advantageously permits an automatic transfer of a lying person from one lateral position to the other or from a supine position to a lateral position and correspondingly back to the supine position.
  • the exact lateral skew of the lying surface and thus the person lying can be detected.
  • the sensor detects a measure that represents the respective angle between the transverse axis of the lying surface and the horizontal, ie allows a conclusion about the angle.
  • An electronic control of the actuator the skew can thus be set to a desired, therapeutically appropriate value.
  • the actual skew is in an electronic control device determined, compared with a predetermined desired skew and adjusted by appropriate control of the actuator as a result, the actual skew to the predetermined desired skew.
  • the actual skewed position of the lying surface is determined.
  • An inclined position is understood here as meaning any measure which unambiguously indicates the lateral inclination of the lying surface and which can be detected by a sensor, e.g. the vertical distance between a reference point of the lying surface and an associated reference point of a horizontal reference surface, or the respective angle between the transverse axis of the lying surface and the horizontal.
  • a sensor that is capable of detecting a measure representing the respective angle between the transverse axis of the lying surface and the horizontal.
  • the electronic control device can determine the inclined position directly as an angle between the transverse axis of the lying surface and the horizontal. However, the electronic control device can also determine the inclined position internally as another variable and compare it with a corresponding desired value.
  • a position control of the inclined position of the lying surface and thus the person lying on the lying surface can be realized.
  • This has the advantage that the desired inclination of the patient can be adjusted with high precision, as there is feedback on the actual skew via the sensor.
  • the reproducibility of the required tilt of the patient during repositioning can be significantly improved.
  • the side storage device according to the invention is thus independent of the particular characteristics of the patient, such as the weight of the patient, and the nursing bed to operate with said high reproducibility of the tilt. Due to the feedback via the sensor, such environmental parameters have no decisive influence on the precise and reproducible adjustment of the inclination.
  • the side storage device according to the invention is particularly well suited for retrofitting to existing care beds, the attachment is basically possible on any nursing bed. As a result, the side storage device according to the invention is particularly universally applicable.
  • a sensor is basically any type of sensor in question, which allows a determination of the inclination of the bed surface and thus directly or indirectly, a determination of the actual angle.
  • an angle-measuring angle sensor may be used, e.g. a potentiometric sensor.
  • the determination of the inclined position of the lying surface can also take place by means of a sensor detecting the vertical distance of a reference point of the lying surface to an associated reference point of a horizontal reference surface.
  • the sensor may in this case be designed as a distance sensor, e.g. as a displacement sensor.
  • an ultrasonic sensor or a capacitive sensor can be used.
  • On the measurement of the vertical distance between the reference points can be concluded in conjunction with other geometric data of the arrangement on the inclination of the bed surface and thus on the actual skew.
  • the senor is designed as an acceleration sensor. This allows a simple and cost-effective detection of the actual skew position based on the output from the sensor acceleration signal.
  • the output acceleration signal corresponds to a proportion of the gravitational acceleration, which also changes as a result of the changing inclination of the lying surface according to a cosine function. This allows a simple and fast determination of the actual skew.
  • the use of an acceleration sensor has the further advantage that the sensor is available in a relatively small size and therefore easy to attach to a nursing bed.
  • a first sensor is provided with an output signal representing the respective angle in the case of left-hand rotation of the lying surface and a second sensor with an output signal representing the respective angle in the case of a right-hand rotation of the lying surface.
  • the actuator is basically any kind of actuator in question, which is suitable to pivot the lying surface laterally, that is to cause an angular change about the longitudinal axis of the lying surface. Suitable are, for example, hydraulically or pneumatically actuated actuating cylinder, electric motor drives or hydraulically or pneumatically fillable flexible chamber systems.
  • the actuator comprises at least one inflatable air bellows and at least one pump for supplying air into the pneumatic bellows.
  • the use of an air bellows which may have one or more chambers, has the advantage that the actuator can be easily retrofitted to an existing nursing bed, for example by attachment between the slatted frame and the mattress.
  • the use of compressed air as a medium for filling the bellows is advantageous environmentally friendly and not harmful to health.
  • a flexible air bladder also has the advantage that it adapts flexibly to the body shape of the patient and to the surrounding parts of the nursing bed.
  • a soft change in the tilt of the patient can be performed via a compressed air control, which has the advantage that the sleep of the patient is not disturbed.
  • a largely noiseless pump is used, for example a diaphragm pump.
  • the pump is advantageously suspended swinging freely on the bed frame, resulting in noise emissions be further minimized.
  • the transmission of disturbing vibrations to the bed frame is minimized.
  • the senor is arranged between the lying surface and the actuator.
  • the sensor may be formed integrally with other components.
  • the sensor may be integrated into the actuator, e.g. in the air bellows.
  • the sensor can also be integrated into the mattress of the nursing bed.
  • the sensor can also be attached, for example, via a belt pulled over the pneumatic bellows or the mattress.
  • the sensor or sensors is arranged approximately at shoulder height of the patient.
  • a further advantageous arrangement possibility of the sensors is that they are sewn in a cover, which is pulled over the pneumatic bellows.
  • the senor additionally generates an output signal which represents the respective angle of the longitudinal axis of the lying surface relative to the horizontal.
  • the sensor can be advantageously designed as a multi-axis acceleration sensor.
  • the oblique position in the longitudinal direction, i. around the transverse axis be considered by using only one sensor module of the electronic control device.
  • the respective angle of the backrest can be detected. If the electronic control device detects the achievement or exceeding of a certain angle of the backrest on the basis of the output signal, a control of the actuator to increase the actual skew in the transverse direction is suppressed or even the actual skew in the transverse direction is reduced. As a result, an undesirable tipping over of the patient can be avoided.
  • the air bellows in an area provided for the arrangement of the first and second sensor area each of the left and right air chambers has a stabilizing plate.
  • the stabilizing plates may be formed either as single, separate plates or as a continuous plate. The plates can also be hinged together.
  • the stabilizing plates advantageously increase the range of application of the lateral support device according to the invention to virtually any desired design of care beds. There are no special requirements for the size, shape and rigidity of the slatted frame or bed frame.
  • the stabilization plates in the area of the left and the right sensor create a defined contact surface for the sensors, so that they can provide reproducible data almost independently of the design of the bed used.
  • the calibrability of the sensors is improved to a zero position.
  • the stabilizing plates are designed as rigid foam plates. In this case, the stabilizing plates may also contain other constituents, but at least one hard foam layer is provided.
  • the stabilization plates are arranged on the slatted base of the nursing bed facing side of the pneumatic bellows.
  • the stabilizing plates are arranged on one side of the pneumatic bellows, which faces away from the side of the pneumatic bellows on which the first and the second sensor are arranged.
  • the stabilizing plates allow a defined calibration of the zero position of the detected by the sensors actual skew, if the respective air chamber is substantially free of pressure and thus lies flat.
  • the stabilizing plates can in principle be connected in any way with the air bellows.
  • a non-detachable connection is provided for this purpose, for. B. by gluing.
  • the stabilizing plates are incorporated into the material of the pneumatic bellows, z. B. by vulcanization.
  • the firm connection of the stabilizing plates with the pneumatic bellows has the advantage that the stabilizing plates are already arranged by the manufacturer at the correct position, so that when the lateral support device is mounted in a nursing bed, the stabilizing plates are correctly positioned without further measures.
  • the pump is arranged for sucking air from the left air chamber and the right air chamber.
  • the respective air chamber can be actively emptied by the pump, so that the emptying rate and the emptying speed do not depend on the weight acting on the air chamber.
  • an unloaded side storage device can be safely vented.
  • the ventilation of the air chambers is not dependent on the weight of the patient located thereon, so that regardless of the patient's weight always the same, defined ventilation times and gradients can be achieved.
  • a complete emptying of the air chamber is possible.
  • the side storage device does not have to be specified for specific minimum patient weights. Rather, the side support device can be used for any patient.
  • the pump is connected via a respective electrically actuated inlet valve with its compressed air outlet side with the left and the right air chamber.
  • the pump with its suction side via a respective electrically actuated exhaust valve to the right and the left air chamber can be connected.
  • the suction side of the pump is connectable via a further electrically actuated valve with the atmosphere.
  • the compressed air outlet side of the pump is connected to an electrically actuated valve with the atmosphere.
  • the electrically actuated valves are designed as 2/2-way valves.
  • the electrically actuated valves are designed as 3/2-way valves.
  • three electrically actuated 3/2-way valves are combined to form a valve block, in which the 3/2-way valves are pneumatically connected in series, such that the valve block has a connection provided for connection to the pump, which is connected to a first of the 3/2-way valves.
  • This valve is connected to a second 3/2-way valve, which in turn is connected to the third 3/2-way valve.
  • a connection of the first and the third 3/2-way valve of a valve block is provided for connection to an air chamber of the pneumatic bellows.
  • a port of the second, middle 3/2-way valve is provided for connection to the atmosphere.
  • the said electrically actuated valves can be actuated by the electronic control device.
  • the electronic control device and the pump are designed as a one-piece electromechanical unit with a common housing.
  • the common housing can additionally be arranged, the electrically actuated valves.
  • the first and / or the second sensor is detachably fastened to the surface of the pneumatic bellows.
  • the attachment can z. B. by means of a Velcro fastened to the air bellows. This allows a simple fine positioning of the sensors at the desired location and an adjustment of the position of the sensors to the size of the body of a patient.
  • the air bellows mounting surfaces for the first and the second sensor which are arranged in the region of the shoulders of a patient lying on the mattress of a nursing bed.
  • the attachment surfaces are provided with the aforementioned hook and loop fastener, z. B. with Velcro. This allows the sensors z. B. adjusted to the shoulder width of the patient.
  • the air chambers extend in the longitudinal direction of the mattress over the shoulder and trunk area a patient, but not to the area of the lower leg. According to an advantageous development of the invention, the air chambers also do not extend into the region of the legs of a patient.
  • Both developments have the advantage that a patient is not completely, ie moved with his entire body to the side, but only the shoulder and trunk area and the head. This prevents the entire body of a patient from slipping sideways when a certain angle is reached. In particular, a lateral slippage of the legs is avoided. In addition, an unpleasant feeling of lateral lateral force, which a patient tries to compensate intuitively, is also avoided. Overall, this can be a more pleasant side storage can be achieved than in systems in which the entire bed frame is shifted laterally.
  • an advantageous side storage device can be realized, which can be used regardless of the weight class of a patient and is also suitable for patients up to 300 kg weight.
  • a monitoring of the inclination of the head portion of the bed can be done, whereby an undesirable Nachvornutenfall a lying patient can be avoided.
  • a significant advantage of the side storage device according to the invention is the ability to use existing care mattresses, especially relatively expensive soft-care mattresses and heavy weight mattresses.
  • the air chamber system of the pneumatic bellows can be realized in various embodiments. Thus, for extremely wide patients an air bladder with increased width can be provided. At the same time, even extremely light-weight persons can be relocated by the lateral storage device according to the invention.
  • the side storage device allows a gentle and slow filling of the air chambers, which allows a very pleasant rearrangement, especially in pain patients.
  • the target skew can be stored in a learning mode in an electronic control device.
  • the learning mode it may be provided, for example, that a caregiver sets a desired oblique position by means of manual actuation of the actuator and notifies the electronic control device of this inclination as desired desired oblique position, for example by actuating a key.
  • the electronic controller then stores the desired skew and uses the desired skew from now on for the automatic rearrangement of the patient.
  • Such a method advantageously allows a defined setting of a desired inclined position with high reproducibility.
  • an automatic transfer of the person from one side to the other side takes place by means of time control.
  • a particular page storage time can be selected, eg 30, 60, 90 or 120 minutes.
  • the electronic control device then effects an automatic transfer of the patient to the opposite side position by actuating the actuator.
  • a continuous rearrangement is guaranteed.
  • a decubitus prophylaxis is possible, on the other hand a decubitus therapy until decubitus grade 4.
  • the desired skew is automatically varied within a predetermined range starting from a start value.
  • different inclinations can be set during automatic repositioning, which has the advantage that different parts of the body of the patient are pressure-loaded.
  • the desired inclinations can be determined in particular according to a random pattern.
  • an automatic limitation of the skew set by the actuator takes place to a maximum value.
  • an undesired lateral tilting of the patient can be avoided automatically.
  • the control device automatically sets different setpoint inclinations with different storage times within predefined limit values.
  • the desired skew positions and / or the storage times, which are set automatically by the control device are determined by means of a random number generator.
  • limits for the desired skew z For example, values of 0 degrees may be used as the lower limit and 15 degrees as the upper limit.
  • the random number generator can, for. B. in the control device by means of software programming in the form of a pseudo-random number generator can be realized.
  • the controller provides after a predetermined time after a manual change in the desired skew, the z. B. can be entered via an operating means, by means of the actuator again the starting position.
  • the controller provides after a predetermined time after a manual change in the desired skew, the z. B. can be entered via an operating means, by means of the actuator again the starting position.
  • an intensive program is provided in the control device, which is designed for use in intensive care.
  • the control device actuates the actuator only on the basis of manual actuations on an operating means of the lateral support device.
  • An automatic migration does not take place in this mode.
  • the side storage device is also suitable for use in an intensive care unit, if a manually controlled via an operating means repositioning is necessary, for. B. in respiratory patients or patients with drainages.
  • the FIG. 1 shows a nursing bed 1 with a horizontal bed frame 2.
  • a slatted frame 3 is arranged on the bed frame 2.
  • a mattress 5 is arranged on the slatted frame 3, in turn, a mattress 5 is arranged on the mattress 5 a lying person 6 is shown.
  • an air bellows 4 is arranged as part of the actuator.
  • an acceleration sensor 7 is arranged at the top of the air bellows 4, below the mattress 5, an acceleration sensor 7 is arranged.
  • an electronic control device 11 and as further parts of the actuator, a pump 10 and a valve assembly 12 are shown in a highly schematic representation.
  • the air bellows 4 is connected via a compressed air line with the valve assembly 12 and herewith the pump 10.
  • the acceleration sensor 7, the valve assembly 12 and the pump 10 are connected via electrical lines to the electronic control device 11.
  • the electronic control device 11 is set up to receive the output signal of the acceleration sensor 7.
  • the electronic control device 11 is configured to control the valve assembly 12 and the pump 10 via electrical control signals.
  • the pump 10 may be formed, for example, as an electrically driven diaphragm pump.
  • the pump 10 is adapted to suck air from the atmosphere and to pump via the valve assembly 12 in the air bladder 4.
  • the air bladder 4 can be selectively connected to the pump 10 or to the atmosphere or shut off from the atmosphere and the pump 10.
  • the electronic control device 11 controlled by the electronic control device 11, the amount of air in the air bladder 4 can be increased, maintained or reduced.
  • FIG. 1 also shows the longitudinal axis L, which runs in the longitudinal direction of the nursing bed.
  • FIG. 2 is a cross section through the nursing bed 1 along the in FIG. 1 represented line AA.
  • the FIG. 2 also shows the transverse axis Q, which runs in the transverse direction of the lying surface.
  • the mattress 5 here represents the lying surface of the patient.
  • the FIG. 2 shows an actuator with an air bladder, which has a right air chamber 4 and a left air chamber 8.
  • the air chambers 4, 8 are connected via separate compressed air lines via the valve assembly 12 to the pump 10 or the atmosphere.
  • a second acceleration sensor 9 is provided, which is provided in the region of the left air chamber 8.
  • the skew of the bed can be detected in left turn.
  • the second acceleration sensor 9, the skew of the bed surface can be detected in clockwise rotation.
  • FIG. 3 shows the cross section according to FIG. 2 , wherein a left rotation of the lying surface is performed by the air chamber 4 was filled with an amount of air.
  • the lying surface 5 on an inclined position, which is characterized by an angle ⁇ L , which is formed between the transverse axis Q of the lying surface 5 and the horizontal H.
  • FIG. 4 shows analogous to FIG. 3 the lying area when turning to the right.
  • the clockwise rotation is effected by air filling the air bellows 8.
  • the air bellows 4 is vented in this case.
  • the inclined position of the lying surface is characterized by an angle ⁇ R , which is formed between the transverse axis Q and the horizontal H.
  • FIG. 5 shows a further embodiment of the nursing bed 1, in which the lying surface 5 is adjustable by an adjustable backrest portion of the slatted frame 3 in the longitudinal direction.
  • the respectively set inclined position in the longitudinal direction is characterized by an angle ⁇ , which is between the longitudinal axis L and the horizontal H is formed.
  • FIG. 6 shows the construction of a side storage device in a schematic representation.
  • the electronic control device 11 is connected via electrical lines to the acceleration sensors 7, 9 and via further electrical lines with electrically actuated pneumatic valves 13, 14 of the valve assembly 12.
  • the pneumatic valves 13, 14 can, for example, have the switching states, which can be set by electrical actuation, passage, blocking and venting to the atmosphere.
  • the pump 10 is connected via compressed air lines via the pneumatic valves 13, 14 with the respective air chambers 4, 8.
  • an alarm signal is triggered and / or the air chambers 4, 8 are automatically vented.
  • the invention is particularly suitable for immobile and severely impaired persons.
  • a specific page storage time of 30, 60, 90 or 120 minutes can be selected.
  • the side storage device spends the patient in a certain period of time, e.g. about 7 minutes, to a predetermined angle, e.g. a 30 ° side bearing. Thereafter, during the previously selected lateral storage time, the patient remains in the set angle and is then gently transferred to another lateral incline within about 15 minutes, e.g. in the opposite 30 ° inclined position.
  • the installation of the air chambers 4, 8 and the other elements of the side storage device can be done in any nursing bed, preferably in nursing beds with side grid protection.
  • the air chambers 4, 8 may be made of polyurethane, for example.
  • the air chambers 4, 8 are installed according to an installation guide between the slatted frame and the mattress 5.
  • the page storage times and the transfer times can be selected.
  • a time interval of 10 minutes to 120 minutes can be set in 5-minute increments for the page storage time.
  • the lateral storage time can be set separately for each storage position (left-neutral-right).
  • the rearrangement time i. the time for switching from one slant to another can be set.
  • the transfer time should be about 7 minutes, but not lower than 6 minutes.
  • the migration can also be automatically logged and evaluated by a computer program.
  • the automatically generated protocol of the stock transfer can thus be integrated into the nursing documentation in a simple manner.
  • the control device 11 has an interface 15. Via the interface 15, the controller 11 can be connected to a computer 16.
  • the log data for logging the stock transfer can be stored on the computer 16.
  • the logging can be carried out, for example, such that the storage intervals carried out are recorded with the patient and the respective times and transmitted to the computer 16 or stored on a storage medium provided in the electronic control device 11, eg an SD memory card.
  • the skew or filling time can be learned using a memory mode selected from the control panel.
  • the skew can be specified via an input on a control panel of the electronic control device.
  • a different inclination can be specified for each storage side.
  • a separate time can be optionally set. For example, you can set Left-Neutral-Right for one cycle: The left-side position should be 30 minutes, the supine position 60 minutes and the legal position 120 minutes.
  • the electronic controller 11 also checks whether the desired skew is within a predetermined time, e.g. 10 minutes, was reached. If the target skew has not been reached within the predetermined time, the controller 11 detects an error and displays this error.
  • a predetermined time e.g. 10 minutes
  • the learning mode e.g. be triggered by pressing a programming button, that the controller 11 by actuation of the pump 10 fills an air chamber. If the desired inclined position is reached, the control device 11 is informed by actuating the programming key that the present inclined position is to be stored as the desired angular position. The electronic control device 11 then stores the actual skew as a desired skew.
  • the FIG. 7 shows a nursing bed in a side view with a side storage device, similar to the FIG. 1 ,
  • the side support device according to FIG. 7 additionally has stabilization plates 17, which are arranged on the rear side of the air bellows 4, 8 between the air bellows and the slatted frame 3.
  • the FIG. 8 shows the position and arrangement of the stabilizing plates 17 with reference to a view that the FIG. 3 corresponds, ie based on the example of a left turn of the bed.
  • the stabilizing plates 17 are formed as rigid foam plates.
  • Each stabilizing plate 17 may, for. B. have a thickness of 3 mm at a length of 300 mm and a width of 150 mm.
  • FIGS. 7 and 8th show on the air bellows also attachment surfaces 18 for the first and the second sensor 7, 9, which are arranged in the region of the shoulders of lying on the mattress 5 patient 6.
  • the attachment surfaces 18 may be realized, for example, by Velcro bonded to the air bellows.
  • FIG. 9 shows a further embodiment of the side storage device in a similar representation as the FIG. 6 ,
  • the pump 10 on both sides, ie, both on a suction side 90 and on a compressed air outlet side 91, via electrically actuated valves 92, 93, 94, 95 with the air chambers 4, 8 is connectable.
  • the suction side 90 is connectable via an electrically operable valve 96 to the atmosphere, represented by an atmosphere port 98.
  • the compressed air outlet side 91 is connectable via an electrically operable valve 97 with the atmosphere.
  • the compressed-air outlet side 91 can be connected to the air chamber 4 via a first electrically actuatable inlet valve 92 and can be connected to the air chamber 8 via a second electrically actuatable inlet valve 94.
  • the suction side 90 can be connected to the air chamber 4 via a first electrically actuatable outlet valve 93 and to the air chamber 8 via a second electrically actuatable outlet valve 95.
  • the compounds mentioned are realized as pneumatic connections, z. B. in the form of hoses or pipes.
  • the electrically actuatable valves 92, 93, 94, 95, 96, 97 may each be designed as 2/2-way valves, which have the function of transmitting or shutting off an air flow.
  • the said valves can be designed in particular as solenoid valves.
  • the valves 92, 93, 94, 95, 96, 97 are connected via a respective electrical line to the electronic control device 11.
  • the electronic control device 11 controls the valves 92, 93, 94, 95, 96, 97 individually or in combination as needed.
  • the FIG. 9 also shows an operating means 19, which is provided for manual operation of the side storage device.
  • the operating means 19 has keys or switches 20 via which operating commands can be entered and settings can be made.
  • a display device 21, z. B. in the form of an LCD display provided on the display device 21 operating data of the side storage device can be displayed.
  • the electronic control device 11, the operating means 19, the electrically actuated valves 92, 93, 94, 95, 96, 97 and the pump 10 are arranged in a common housing 99.
  • FIG. 10 shows a further embodiment of the side storage device, which apart from the differences described below, the embodiment of the FIG. 9 equivalent.
  • the embodiment according to FIG. 10 are also provided six electrically actuated valves in the form of solenoid valves.
  • the directional control valves are designed as 3/2-way valves. In each case three of the directional control valves are combined to form a valve block 102, 103.
  • the three-way valves a, b, c are pneumatically connected in series in a valve block 102, 103, so that a series circuit is formed.
  • pneumatic connection 104, 107 of a valve block 102, 103 is connected via a pneumatic line to the pump 10.
  • the valve block 102 is used for emptying each one of the air chambers 4, 8.
  • the port 104 of the valve block 102 is therefore connected to the suction side 90 of the pump 10.
  • the valve block 103 is used to fill each one of the air chambers 4, 8.
  • the terminal 107 of the valve block 103 is therefore connected to the compressed air outlet side 91 of the pump 10.
  • the first in the series connection after the connection 104 or 107 arranged directional valve a On the one hand, it is connected to the following directional valve b and, on the other hand, to the air chamber 4.
  • the directional control valve b is connected, on the one hand, to the subsequent directional control valve c and, on the other hand, to a connection 100 or 101 connected to the atmosphere.
  • the last in the series connection arranged directional valve c is on the one hand connected to the air chamber 8.
  • Another connection of the directional control valve c is closed by a respective plug 100, 106.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)

Claims (9)

  1. Dispositif de soutien latéral servant à soutenir latéralement de manière modifiable une personne (6) couchée, le dispositif présentant les caractéristiques suivantes :
    a) au moins un actionneur (4, 8, 10, 12, 13, 14, 92, 93, 94, 95, 96, 97) agissant sur un matelas (5) prévu comme surface de couchage de la personne (6), l'angle (αL, αR) entre l'axe transversal (Q) du matelas (5) et l'horizontale (H) pouvant être modifié au moyen de l'actionneur (4, 8, 10, 12, 13, 14, 92, 93, 94, 95, 96, 97),
    b) l'actionneur (4, 8, 10, 12, 13, 14, 92, 93, 94, 95, 96, 97) présentant au moins un soufflet doté d'une chambre droite à air (4), d'une chambre gauche à air (8) et d'au moins une pompe (10) qui amène de l'air dans le soufflet (4, 8), la chambre droite à air (4) étant conçue pour faire tourner le matelas (5) vers la gauche par remplissage de la chambre droite à air (4) par une certaine quantité d'air, la chambre gauche à air (8) étant conçue pour faire tourner vers la droite le matelas (5) par le remplissage de la chambre gauche à air (8) par une certaine quantité d'air,
    c) le soufflet (4, 8) pouvant être placé entre le sommier à lattes et le matelas (5) d'un lit de soin, caractérisé par
    d) au moins un capteur (7, 9) dont un signal de sortie représente l'angle (αL, αR) entre l'axe transversal (Q) et l'horizontale (H),
    e) un premier capteur (7) dont le signal de sortie représente l'angle (αL) de rotation du matelas (5) vers la gauche et un deuxième capteur (9) dont le signal de sortie représente l'angle (αR) de rotation du matelas (5) vers la droite étant prévus,
    f) le premier capteur (7) et le deuxième capteur (9) étant tous deux configurés comme capteurs d'accélération,
    g) le premier capteur (7) et le deuxième capteur (9) étant chacun disposé entre le matelas (5) et le soufflet (4, 8),
    h) au moins un dispositif électronique de commande (11) raccordé au premier et au deuxième capteur (7, 9) et à l'actionneur (4, 8, 10, 12, 13, 14, 92, 93, 94, 95, 96, 97) et conçu
    i) pour déterminer la position des signaux de sortie du premier et du deuxième capteur (7, 9) et
    ii) pour ajuster l'angle (αL, αR) entre l'axe transversal (Q) du matelas (5) et l'horizontale (H) par commande de l'actionneur de telle sorte que la position oblique effective soit réglée à une position oblique de consigne prédéterminée.
  2. Dispositif selon la revendication 1, caractérisé en ce que les capteurs (7, 9) forment de plus un signal de sortie qui représente l'angle (P) entre l'axe longitudinal (L) du matelas (5) par rapport à l'horizontale (H).
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le soufflet (4, 8) présente dans une partie prévue pour l'agencement du premier et du deuxième capteur (7, 9) de la chambre à air de gauche et de la chambre à air de droite une plaque de stabilisation (17).
  4. Dispositif selon la revendication 3, caractérisé en ce que les plaques de stabilisation (17) sont reliées au soufflet (4, 8) de manière non libérable ou sont incorporées dans le matériau du soufflet (4, 8).
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que la pompe (10) est conçue pour aspirer de l'air hors de la chambre à air (8) de gauche et de la chambre à air (4) de droite.
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif électronique de commande (11) et la pompe (10) sont configurés comme unités électromécaniques (99) d'un seul tenant dotées d'un boîtier commun.
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le premier et/ou le deuxième capteur (7, 9) sont fixés de manière libérable sur la surface du soufflet (4, 8), par exemple au moyen d'une fermeture à crochets fixée sur le soufflet (4, 8).
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le soufflet présente des surfaces de fixation (18) pour le premier et pour le deuxième capteur (7, 9) qui sont disposées au niveau des épaules d'un patient (6) couché sur le matelas (5) d'un lit de soins.
  9. Procédé présentant les étapes qui consistent à :
    a) définir une position oblique de consigne par rapport à l'axe transversal (Q) d'une surface de couchage (5) d'un dispositif de soutien latéral selon l'une des revendications précédentes et l'horizontale (H),
    b) actionner un actionneur (4, 8, 10, 12, 13, 14, 92, 93, 94, 95, 96, 97) du dispositif de soutien latéral pour modifier l'angle (αL, αR) entre l'axe transversal (Q) de la surface de couchage (5) et l'horizontale (H),
    c) déterminer une position oblique effective à partir du signal de sortie d'un capteur (7, 9), les signaux de sortie représentant l'angle (αL, αR) entre l'axe transversal (Q) et l'horizontale (H),
    d) terminer l'actionnement de l'actionneur lorsque la position oblique effective a atteint la position oblique de consigne,
    e) avec en plus un mode d'apprentissage dans lequel la position oblique de consigne peut être conservée en mémoire dans un dispositif électronique de commande (11) du dispositif de soutien latéral en transmettant, par actionnement d'une touche de programmation du dispositif de commande (11) qu'une position oblique actuelle doit être conservée en mémoire comme position oblique de consigne, suite à quoi le dispositif électronique de commande (11) conserve la position oblique effective en tant que position oblique de consigne.
EP11704547.6A 2010-02-17 2011-02-11 Dispositif et procédé de mise en position latérale de personnes Active EP2536375B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010008358A DE102010008358B4 (de) 2010-02-17 2010-02-17 Einrichtung und Verfahren zur Seitenlagerung von Personen
PCT/EP2011/000653 WO2011101109A1 (fr) 2010-02-17 2011-02-11 Dispositif et procédé de mise en position latérale de personnes

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EP2536375A1 EP2536375A1 (fr) 2012-12-26
EP2536375B1 true EP2536375B1 (fr) 2016-01-20
EP2536375B8 EP2536375B8 (fr) 2016-03-02

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US (1) US20120317714A1 (fr)
EP (1) EP2536375B8 (fr)
DE (1) DE102010008358B4 (fr)
DK (1) DK2536375T3 (fr)
WO (1) WO2011101109A1 (fr)

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EP2792340B1 (fr) * 2011-12-14 2018-01-31 Paramount Bed Co., Ltd. Appareil pour lit et procédé de détection d'un patient
WO2013121245A1 (fr) * 2011-12-29 2013-08-22 Huntleigh Technology Limited Système de thérapie par le mouvement
EP2662063B1 (fr) * 2012-05-11 2015-03-18 Caremed Supply, Inc. Dispositif de détection pour lit de coussin d'air
US11071668B1 (en) * 2018-06-04 2021-07-27 Encompass Group, Llc. Hospital bed with inflatable bladders with random inflation and related methods
JP7391291B2 (ja) * 2019-10-11 2023-12-05 船井電機株式会社 マットレス
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DE102021002316A1 (de) 2021-05-03 2022-11-03 Wilhelm Blaser Weichlagerungsmatratze mit integriertem Hubsystem zur Umlagerung
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Also Published As

Publication number Publication date
DE102010008358A1 (de) 2011-09-08
WO2011101109A1 (fr) 2011-08-25
US20120317714A1 (en) 2012-12-20
EP2536375B8 (fr) 2016-03-02
EP2536375A1 (fr) 2012-12-26
DE102010008358B4 (de) 2012-11-15
DK2536375T3 (en) 2016-04-11

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