EP1957023B1 - Dispositif et procede permettant d'installer un patient dans une position definie en le menageant - Google Patents

Dispositif et procede permettant d'installer un patient dans une position definie en le menageant Download PDF

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Publication number
EP1957023B1
EP1957023B1 EP06818819.2A EP06818819A EP1957023B1 EP 1957023 B1 EP1957023 B1 EP 1957023B1 EP 06818819 A EP06818819 A EP 06818819A EP 1957023 B1 EP1957023 B1 EP 1957023B1
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EP
European Patent Office
Prior art keywords
patient
mattress
cushion
fluid
active
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Not-in-force
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EP06818819.2A
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German (de)
English (en)
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EP1957023A2 (fr
Inventor
Stephan Böhm
Guido KÜBLER
Fernando Suarez Sipmann
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Individual
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Individual
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Classifications

    • 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
    • A61G7/05738—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with fluid-like particles, e.g. sand, mud, seeds, gel, beads
    • A61G7/05753—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with fluid-like particles, e.g. sand, mud, seeds, gel, beads air-evacuated, e.g. in order to adapt to the form of the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—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
    • A61G7/05715—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with modular blocks, or inserts, with layers of different material
    • 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
    • A61G7/05776—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers with at least two groups of alternately inflated chambers
    • 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
    • A61G7/05784—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with ventilating means, e.g. mattress or cushion with ventilating holes or ventilators
    • 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

Definitions

  • the invention relates to a device and a method for the gentle storage of a patient in a defined position.
  • a device was in WO 2004/098481 described.
  • a defined position in the context of the invention means any position in which the patient is to dwell during transport, during treatment or during the stationary resting phase. Preferred positions are thus the lying and the sitting position, but in principle, all other positions to fulfill the respective purpose are conceivable.
  • the careful storage of the patient is particularly necessary when problems can arise due to bedsores.
  • the bedsores of exposed parts of the body generally lead to prolonged hospital stays and the associated increased costs of treatment.
  • the problems of prolonged patient storage arise due to the lack of adaptability of the skin to the continuous contact with the support surface.
  • the hereby on the skin punctually acting pressures, shear forces or humidities damage these directly or indirectly.
  • Supplying vessels are closed by pressure from the outside and capillaries are sheared, which can lead to undersupply and eventually to the death of these skin areas.
  • the epidermis is softened by heat and perspiration, so that infections are favored.
  • vacuum mattresses are not suitable for permanent storage of the patient due to the reasons set forth above. Rather, vacuum mattresses are used only for short-term transport or during an operation.
  • WO 2005/094369 A2 discloses a method and apparatus for controlling at least one ventilation parameter of an artificial respiration apparatus to ventilate a patient's lung according to a plurality of lung positions.
  • the different lung positions are made possible by using a rotation bed.
  • the patient is thereby fixed on the rotation bed and thus kept in a defined position.
  • the disadvantage is the fact that no gentle storage of the patient is possible.
  • a micro-stimulation system in which the slatted base of a conventional mattress has been replaced by support profiles with active movement elements.
  • the movement elements are controlled by a control unit, so that various forms of movement based on the so-called basal stimulation can be impressed on the patient lying on the mattress.
  • the patterns "wave”, "rotation” or "inclined plane” are provided as movement patterns.
  • the movement elements are addressed parallel to the right and left of the mattress.
  • the stimulation pattern resembles a wave that runs through the bed, providing body-to-body perception from head to toe.
  • a disadvantage of this storage system is the fact that it lacks a precise fixation possibility for the patient to the patient in a defined Hold position. There are thus only a total movement strokes of a few centimeters possible. A stronger inclination of the mattress is thus out of the question, for example, to specifically activate certain lung areas of the patient.
  • the device according to the invention for the gentle storage of a patient or a body part of a patient in a defined position comprises a mattress having a surface which can assume a flexible state by applying a first control signal and a rigid state by applying a second control signal, one with a A fluid-filled cushion which rests on the mattress and which has a flexible wall in the area of lying on the cushion patient or resting body part of the patient, and a fluid pump which communicates via a valve with the fluid contained in the pad and over the internal pressure and / or the internal volume of the pad is adjustable to a predetermined value.
  • the method according to the invention for the gentle storage of a patient or a body part of a patient in a defined position comprises applying the following steps: applying the first control signal to the surface of the mattress to the contour of the patient, applying pressure to the mattress the second Control signal to form a rigid surface of the mattress, and control of the fluid pump for setting a predetermined internal pressure and / or a predetermined internal volume in the cushion.
  • Preferred positions for supporting the patient on the device according to the invention are the lying position or the sitting position.
  • the mattress and cushion are shaped according to the desired position and taking into account the height of the patient.
  • a rigid shape is predetermined by the mattress, which is used by the cushion as an abutment.
  • the molding process for the mattress and for the pillow can be automated.
  • the cushion is used to distribute the support forces and thus contributes to the surface and / or punctual relief of the skin.
  • means for therapeutic and / or medical treatment can be supplied to the patient via the pillow. Since the mattress already essentially dictates the body contour, the cushion only has to compensate for minor unevenness.
  • the device according to the invention is suitable for stationary long-term storage of patients as well as for patient transport, wherein the device can be provided, for example, for a lying position on a hospital bed or for a sitting position on a wheelchair.
  • the entire system can be used in a localized manner (eg stationary operating table, stationary couch or seat for X-ray examination or for nuclear magnetic resonance tomography), movable on wheels (eg wheelchair, bed or storage system on normal ward or in intensive care) or else be used on an outpatient basis (eg rescue service).
  • the transport of the patient can also include the transport within a hospital between the different stations.
  • the device according to the invention enables uninterrupted treatment with regard to the therapeutic / medical measures which are necessary for the storage of the patient.
  • the device according to the invention for use in the diagnostic area consists of materials which behave neutrally with regard to the respective diagnostic method (eg X-ray examination or nuclear magnetic resonance tomography) and which thus have no effects on the examination.
  • the fluid is either air or water.
  • these two fluids are particularly advantageous, but in principle, other gases or liquids can be used.
  • active cushions are arranged below the mattress, which already have a basic shape for adapting the surface of the mattress to the contour of the patient.
  • Such active pads are advantageously formed large volume and ideally consist of several independent chambers.
  • the active cushions already fulfill certain design specifications resulting from the shape of the human body. Their expression can vary between a system for storing the entire body, one that covers only the torso, to a Miniature system for the storage of extremities. By said design specifications, the necessary thickness of the mattress can be reduced with sufficient modeling.
  • the filling or emptying of the active pads with the respective fluid is controlled or regulated by a control unit in order to adjust the pressures and / or the volumes in the active pads to the changing boundary conditions, e.g. the different body weight of the patient or the inclination of the respective pad to be able to adapt.
  • the active cushions can thus ensure not only the patient-friendly modeling but also the stabilization and the positioning of the mattress itself.
  • the surface of the mattress can be adapted to the respective contour of the patient by applying the first control signal and the surface of the mattress can be set to a rigid state by applying the second control signal.
  • the second control signal can be set to a rigid state by applying the second control signal.
  • the mattress consists of a vacuum mattress.
  • a vacuum mattress consists of an air-impermeable casing and a loose filling consisting of plastic or polystyrene beads.
  • the vacuum mattress In the initial state, ie when the vacuum mattress has not been evacuated, the vacuum mattress is soft and it is possible to apply it to the Adjust contour of the patient. By sucking the air from the vacuum mattress it becomes rigid and permanently retains the given shape.
  • the vacuum pump connected to the vacuum mattress is driven by the first and second control signals, the first control signal causing the air to enter the vacuum mattress and the second control signal causing the air from the vacuum mat to be exhausted.
  • the advantages of the vacuum mattress are its reusability and its X-ray transmission.
  • a further advantage of the vacuum mattress is that the patient can be immediately exposed in an emergency situation by applying the first control signal (i.e., by filling the vacuum mattress with air).
  • the first control signal i.e., by filling the vacuum mattress with air.
  • small vacuum mattresses can also be used to store only certain body parts of a patient.
  • the cushion consists of several independent chambers.
  • the internal pressure and / or the internal volume of the individual chambers are adjustable. By targeted control of the individual internal pressures and / or internal volumes can also therapeutic measures such. targeted pressure applications are performed to achieve a prophylactic antithrombotic effect. Certain chambers of the pad can be additionally flowed through by a liquid for more efficient temperature regulation.
  • the subdivision of the pad into a plurality of chambers can in particular also serve to deliberately impose predetermined movement patterns on the patient lying thereon.
  • each chamber with a separate valve over a control unit is controlled, so that on the change in the volume of each chamber in total results in the desired movement pattern.
  • a preferred movement pattern may, for example, correspond to the human gait (cloister), so that alternately the left arm and the right foot or the right arm and the left foot are moved accordingly.
  • the imparting of a movement pattern by means of targeted activation of different chambers of the cushion can be further assisted by subdividing the underlying mattress into corresponding segments in accordance with the respective chambers of the cushion, wherein these segments can additionally be moved by actuators. In this way, it is possible to increase the strokes of the movement pattern in the desired direction, for example to achieve strokes of a few decimetres in the above-mentioned cloister pattern.
  • a temperature control device which regulates the temperature of the fluid to a predetermined value.
  • the cushion can support or take over the temperature regulation of the skin.
  • the temperature of the body surface and / or the body core is measured and the temperature of the fluid is controlled by the temperature control device such that a predetermined temperature of the body surface or of the body core is established. In this case, both a warming and a cooling of the patient can be achieved.
  • the pad comprises means for regulating the moisture of the skin of the patient and / or means for delivering active substances to the patient.
  • This allows the pillow the Moisturizing or supporting the skin while delivering active ingredients to the skin of the patient where they are needed. Examples include the delivery of nitroglycerin to improve local circulation, or antibiotics to locally treat infections.
  • nitroglycerin to improve local circulation, or antibiotics to locally treat infections.
  • Such and further means for therapeutic and / or medical treatment are accommodated in a thin layer applied to the pad in relation to the pad thickness. These layers can be applied specifically for specific purposes on the pillow. From a cost and hygiene point of view, disposable layers could also be used. As a result, a simple and cost-effective individualization of the therapeutic and / or medical measures would be possible.
  • the cushion comprises sensors for determining the position of the patient and / or for determining physiological parameters.
  • the data obtained from the sensors for determining the position allow conclusions to be drawn about the pressure load on certain parts of the body and thus conclusions about the skin's circulation.
  • Information about the skin circulation can also be obtained by a thermal camera. These data may then be used to control pressure and / or volume in the pad to achieve the desired skin perfusion.
  • the moisture and temperature of the pad can be regulated or additional measures initiated locally. In principle, a large number of different types of sensors are conceivable, depending on the therapy target pursued or the intended monitoring variable.
  • ECG electrodes for an electrocardiogram EIT electrodes for electrical impedance tomography or sensors are used for pH measurement. Similar to the means described above for therapeutic and / or medical measures, these sensors can also be applied in a thin layer as needed on the cushion.
  • the use of sensors in the cushion layer is particularly advantageous if a movement pattern is to be impressed on the patient via the cushion layer as described above.
  • pressure sensors this makes it possible, for example, to determine the pressure exerted by the cushion layer on the patient and to control the respective chambers only in such a way that a predetermined maximum pressure is not exceeded.
  • the use of sensors thus contributes significantly to the safety of the patient when applying motion patterns, since the control measures can be continuously monitored by the sensors and unwanted burdens on the patient are thus avoided.
  • Fig. 1 shows a schematic representation of the structure of the device according to the invention according to an embodiment in a side view without a patient.
  • the inventive device comprises in this embodiment, a solid base 101, the support of a stretcher, a normal bed, a Operating table or the surface of a special storage system can be.
  • the device according to the invention can thus also be part of a rotation bed, as shown in FIG WO 2005/094369 A2 is described.
  • a gentle storage is also ensured.
  • an active cushion 102 which in this embodiment consists of several independent chambers.
  • the chambers in their entirety form on their surface a shape that approximates the contour of a patient.
  • the active cushion 102 is used above all for patient-oriented modeling of the mattress 103 resting on it, which in this embodiment consists of a vacuum mattress.
  • the vacuum mattress By applying the first control signal, the vacuum mattress is in a flexible state and can then be optimally adapted to the body contours of the patient by activating the active cushions 102.
  • the second control signal By applying the second control signal, the vacuum mattress is then stiffened. In this way, an impression of the contour of the patient or a body part of the patient is created, which serves as an individualized abutment for the applied on the mattress 103 pad 104.
  • Fig. 1 illustrated device according to the invention is designed for the storage of the entire body of the patient. As already mentioned, it is also possible to store only certain body parts of the patient with the device according to the invention. Depending on the field of application, the shape of the active pad 102 can then vary.
  • the filling or emptying of the active pads with the respective fluid is controlled by a control unit to adjust the pressures and / or the volumes in the active pads to the changing boundary conditions, e.g. the different body weight of the patient or the inclination of the respective pad to be able to adapt.
  • the over the mattress 103 arranged cushion 104 takes over important functions of the human skin such as humidity and temperature regulation. At the same time it distributes the contact pressure and thus leads to an areal and / or punctual relief.
  • the pad 104 It is possible to divide the pad 104 into a plurality of chambers, wherein the chambers may be filled with air as in the case of the active pad 102.
  • the chambers can also be flowed through by a liquid for more efficient temperature regulation.
  • By the mattress 103 is already given a body contour.
  • the pad 104 therefore only has to compensate for minor bumps.
  • Another important feature of the pad 104 is its use for therapeutic purposes: For example, by targeted pressure application, a prophylactic antithrombotic effect is achieved or agents are delivered to the skin and underlying tissue (eg, nitroglycerin to improve local perfusion, or antibiotics to treat infections locally, etc.).
  • a movement pattern can be impressed on the patient with which a therapeutic purpose can likewise be achieved.
  • the pad 104 further serves to monitor body conditions and functions: electrodes are for Integrated ECG or impedance measurements; Pressure, temperature and humidity sensors provide information about the local condition of the skin; pH measurements determine whether the barrier function of the skin and its circulation are still intact.
  • further air cushions 105 are provided for fixing individual body parts if the storage system is tilted out of the neutral ply, e.g. during rotations about the longitudinal axis.
  • the airbags 105 are inflated or vented depending on location and may be connected to all or individual underlying layers as well as to a belt 106 surrounding them.
  • the strap 106 helps increase the safety of the overall system by enclosing multiple layers, thereby preventing the patient from falling out in the event of failure of individual parts or of the overall system.
  • this belt has to be easily detachable in order to be able to approach the body of the patient as quickly as possible in emergency situations.
  • the side view of the embodiment according to Fig. 1 shows the device according to the invention in a neutral state without a patient.
  • the vacuum mattress 103 used in this state is not yet evacuated and the underlying active pads 102 are subjected to a small pressure.
  • the balls of the vacuum mattress 103 are first uniformly distributed by vibration of the active pads 102.
  • the patient is placed on the pillow 104.
  • the pad 104 is evenly filled with air to ensure a defined distance between the patient and the mattress 103 when modeling the mattress. It's mostly on one ensure adequate lateral enclosure of the patient.
  • the vacuum mattress 103 is evacuated and thus fixed in its shape.
  • Fig. 2 shows a schematic representation of a central longitudinal section through the device according to the invention according to the embodiment Fig. 1 (Cut BB in Fig. 3 ). This illustration already shows the state after the mattress 103 has been modeled on the patient, the patient himself not being shown.
  • the therapeutic storage measures by means of the pad 104 can be started.
  • the systematic pressure relief of endangered body regions (coccyx, pelvis and femur, shoulder blades, spine) in the center of any storage therapy, other treatment goals such as the imposition of movement patterns or the temperature management or drying of the skin can be pursued simultaneously or sequentially.
  • a "quick-release function" ensures that all pneumatically operated overpressure layers are emptied immediately and the vacuum mattress is actively filled.
  • Fig. 3 shows a schematic representation of a cross section through the device according to the invention according to the embodiment Fig. 1 at the height of the lower leg of the patient (section AA in Fig. 2 ). This illustration already shows the condition after the patient was placed on the device, wherein the body of the patient is not shown itself.
  • the airbags 105 and 301 shown in dashed lines are used for fixing the legs in order to prevent them from falling out when the device according to the invention is tilted out of the normal position. They are used as needed, e.g. when the solid support 101 is part of a rotation bed and the measured inclination angle exceeds a predetermined value, filled with air.
  • Fig. 4 shows a pneumatic circuit diagram for the device according to the invention, for example according to the embodiment of Figures 1 - 3 ,
  • the solid pad 101, the active pad 102, the vacuum mattress 103, and the fluid-filled pad 104 are shown schematically.
  • two pumps 412 and 418 are provided, which are connected via the control lines 414 and 420 to a control unit 422.
  • the same function can be achieved with a pump, in which case the pneumatic circuit diagram must be modified accordingly using additional switching points.
  • the pneumatic switching operations are performed via the vent valve 401, the vent valve 404, the diverter valve 407 and the inversion valve 416.
  • All active valves are connected via control lines not shown with the control unit 422.
  • the check valves 402, 405, 408 and 410 operate passively and thus require no further control. Power is supplied to pumps 412 and 418 via lines 415 and 421, and the power consumption of the pumps is measured using power meters 413 and 419.
  • the functional sequence described below refers to the transport of a patient, which must be stored gently during transport.
  • the active pad 102 and the pad 104 are vented and the vacuum mattress 103 is vented.
  • the pump 412 For venting the active pad 102, the pump 412 is turned off, the vent valve 404 is in position A and the diverter valve 407 is in position B.
  • the pressure line 409 is blocked by the diverter valve 407, so via the vent line 406, the check valve 405 and the Vent valve 404 Air can escape.
  • the pump 412 is switched off, the venting valve 401 is in position A and the diverter valve 407 is in position B.
  • the venting line 403 via the venting valve 401 and the check valve 402 is released, so that the vacuum mattress 103 with the necessary amount of air can be filled to take a flexible state.
  • the reversing valve 416 is in position B, so that the pump 418 as Vacuum pump is operated and the excess air is sucked out of the cushion 104 via the pressure line 417. Once the measured by the power meter 419 pump power exceeds a predetermined value, the pump 418 is switched off via the control line 420 again.
  • the patient (or even a specific body part of the patient) is placed on the pillow 104 and on the active pillow 102 is a molding of the vacuum mattress 103.
  • the vent valve 404 is in position B and the diverter valve 407 in position A. so that when the pump 412 is actuated, the active cushion 102 is filled with air via the check valve 408 and the overpressure line 409.
  • the pump 412 is switched off again via the control line 414. If necessary, further shaping of the vacuum mattress 103 can be carried out manually by the care staff.
  • the vacuum mattress 103 is set in a rigid state.
  • the vent valve 401 is in position B and the diverter valve 407 in position B, so that the air in the vacuum mattress 103 is sucked off when operating the pump 412 via the check valve 410 and the vacuum line 411.
  • the pump 412 is switched off again via the control line 414.
  • the internal pressure and / or the internal volume of the pad 104 is set to a predetermined value, so that the patient is stored gently as a whole is and is at the same time in the position defined by the vacuum mattress 103.
  • the reversing valve 416 is in position A, so that the pump 418 is operated as a pressure pump and the cushion 104 is filled with air via the pressure line 417.
  • the pump 418 is switched off via the control line 420 again.
  • the pneumatic circuit diagram according to Fig. 4 can be realized a relatively simple wiring of the pneumatic, which is sufficient for transport purposes.
  • the pad 104 usually has to be divided into a plurality of independent chambers and, in addition, the ventilation of the pad 104 must be monitored by appropriate sensors to provide the desired therapeutic measures can be carried out precisely.
  • Fig. 5 shows the interconnection of sensors on a cushion according to Fig. 4 for the implementation of targeted therapeutic measures. All sensors are connected to an analog-to-digital converter 501. The sensor data are detected by the analog-to-digital converter 501 as digital data and forwarded via the data bus 502 with the bus width n to a control unit for processing. The further control of the pneumatics can, for example, according to the pneumatic diagram according to Fig. 4 respectively.
  • a pressure sensor 503, a volume sensor 504, a distance sensor 505, 506 and one or more strain sensors 507, 508, 509, 510 are provided.
  • the distance sensor here consists of the capacitor plates 505 and 506, as strain sensors Strain gauges 507, 508, 509, 510 provided. All sensors can be used individually and / or in combination for the continuous monitoring of the pneumatic state and / or for a feedback control of the ventilation of the cushion 104.
  • the pressure sensor 503 and the strain sensors 507, 508, 509, 510 are used.
  • the tightness of the pad 104 can be controlled by monitoring the pressure of the once filled pad 104.
  • the strain sensors 507, 508, 509, 510 may be mounted at appropriate locations so that the expansion of the pad 104 during filling can be controlled to prevent overstretching by automatically disabling the fluid pump of interest.
  • the pressure sensor 503 may also be used to automatically prevent the pressure in the pad 104 from being exceeded.
  • the distance sensor 505, 506 and the volume sensor 504 are preferably used. After the pad 104 has been completely vented, the pad 104 may be filled via the volume sensor 504 with a predetermined volume of air. Different amounts of volume cause a different lifting of the overlying patient, so that hereby already certain movement patterns on the pillow 104 can be impressed on the patient targeted. An even more precise specification of the movement pattern can be achieved with the distance sensor 505, 506, wherein the distance of the capacitor plates 505 and 506 is evaluated via a computing unit, not shown.
  • Fig. 6 shows several pillow segments for targeted stimulation of the patient lying on it with predetermined movement patterns.
  • a total of 16 cushion segments are provided, namely the segments 601, 602 in the head region, the segments 603, 604 in the shoulder region, the segments 609, 610, 611, 612 in the trunk region, the segments 605, 607 and 606, 608 in the arm region and the segments 613 , 615 and 614, 616 in the leg area.
  • the pad 104 is now divided into the individual segments 601-616.
  • the control of the pneumatics can basically with the pneumatic circuit diagram according to Fig. 4 be carried out, wherein for each segment 601 - 616 a separate control and regulation with a corresponding sensor according to Fig. 5 is provided.
  • Fig. 7 shows a first movement pattern of the cushion segments according to Fig. 6 , In this movement pattern, the right half of the body of the patient is raised and lowered the left half of the patient's body.
  • the representation according to Fig. 7 starts from a neutral position, in which all segments are filled with a medium volume and thus has set for all segments a mean distance to the underlying vacuum mattress 103.
  • "+++” symbolizes a strong filling
  • each symbol "+++”, “++”, “+”, “-”, “-” and “---" can also be assigned a corresponding distance, including the rest position
  • each segment can be acted upon with 7 different distances.
  • the maximum stroke of a pillow segment relative to the underlying vacuum mattress is 6 cm
  • the loading of a segment thus takes place at the intervals 0 cm, 1 cm, 2 cm, 3 cm, 4 cm, 5 cm and 6 cm (without taking into account the wall thickness of the pad 104).
  • the maximum stroke of a segment of a pad is only 3 cm, the loading of a segment takes place correspondingly at intervals of 0.0 cm, 0.5 cm, 1.0 cm, 1.5 cm, 2.0 cm, 2.5 cm and 3.0 cm.
  • Fig. 8 shows a second movement pattern of the cushion segments according to Fig. 6 ,
  • the human cloister is modeled according to the normal gait of a human.
  • the symbol "0" for the segments 609 and 610 indicates that these segments remain in the neutral position and therefore are not driven. Otherwise, the control of the segments runs periodically. As shown, for example, first the left arm and the right leg are raised and lowered simultaneously the right arm and the left leg - then then takes place in a corresponding manner, the opposite movement.
  • Fig. 9 shows a third movement pattern of the cushion segments according to Fig. 6 .
  • This movement pattern is advantageous when the entire storage of the patient is changed from the outside, for example, as in a tilting of the entire bed of the patient around its longitudinal axis according to WO 2005/094369 A2 takes place. With such tilting occur in the region of the underlying pillow segments by the body weight of the patient then heavier weight loads compared to the overlying cushion segments. To compensate for these unequal loads, the internal pressure in the cushion segments can be readjusted accordingly.
  • the patient is tilted with his entire bed to his longitudinal axis and thereby lowered the right half of the body and the left half of the body raised, then caused by this tilting imbalance in the individual pillow segments by the movement pattern according to Fig. 9 be compensated again.
  • the tilting of the entire system should not be compensated, but the storage conditions for the stored patient should only be adjusted as needed.
  • control unit also takes into account subjective evaluations of the patient.
  • the patient receives an input unit, for example with the keys "positive”, “neutral” and “negative”.
  • the patient pushes a button according to his sensation triggered by the movement pattern.
  • the control unit may then vary and adjust the frequency and change of the movement patterns according to an adaptive learning algorithm based on the evaluations of the patient.

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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 (10)

  1. Dispositif pour le positionnement avec ménagement d'un patient ou d'une partie du corps d'un patient dans une position définie,
    avec un matelas (103) qui présente une surface qui, par l'application d'un premier signal de commande, peut prendre un état flexible et, par l'application d'un second signal de commande, peut prendre un état rigide,
    avec un coussin (104) rempli d'un fluide qui repose sur le matelas et qui présente une paroi flexible dans la zone du patient ou de la partie du corps du patient qui repose sur le coussin (104),
    avec une pompe à fluide (418) qui est en relation avec le fluide qui se trouve dans le coussin par une valve par laquelle la pression intérieure et/ou le volume intérieur du coussin peut être réglé à une valeur prédéfinie et
    avec au moins un coussin actif (102) rempli d'un fluide dont la pression intérieure et/ou le volume intérieur est réglable indépendamment du coussin (104) par la pompe à fluide, le coussin actif (102) étant placé en dessous du matelas (103) pour conformer le matelas (103) de telle manière que le processus de conformation du matelas qui se trouve à l'état flexible aux contours respectifs du patient qui repose dessus peut être automatisé par le remplissage du coussin actif (102) avec le fluide.
  2. Dispositif selon la revendication 1, le fluide étant soit de l'air, soit de l'eau.
  3. Dispositif selon l'une des revendications 1-2, le matelas (103) étant constitué par un matelas à vide.
  4. Dispositif selon l'une des revendications 1 à 3, le coussin (104) étant constitué par plusieurs compartiments indépendants.
  5. Dispositif selon l'une des revendications 1 à 4, un dispositif de réglage de température qui règle la température du fluide à une valeur prédéfinie étant prévu.
  6. Dispositif selon l'une des revendications 1 à 5, le coussin (104) comprenant des moyens pour la régulation de l'humidité de la peau du patient et/ou des moyens pour dégager des substances actives au patient.
  7. Dispositif selon l'une des revendications 1 à 6, le coussin (104) comprenant des capteurs pour la définition de la position du patient et/ou pour déterminer des paramètres physiologiques du patient.
  8. Dispositif selon l'une des revendications 1 à 7, le coussin (104) présentant des capteurs pour définir les états pression et/ou dilatation et/ou distance entre matelas et patient.
  9. Dispositif selon l'une des revendications 1 à 8, le coussin (104) étant constitué par plusieurs segments indépendants (601-616) auxquels un modèle de mouvement peut être inculqué au moyen d'une unité de commande par des valves prévues à cet effet pour la stimulation du patient qui repose sur le matelas.
  10. Procédé pour le positionnement avec ménagement d'un patient couché ou assis sur un dispositif selon les revendications 1 à 9 ou d'une partie du corps d'un patient dans une position définie qui comprend les étapes suivantes :
    application du premier signal de commande au matelas (103) pour mettre le matelas dans un état flexible,
    remplissage du coussin (104) pour garantir une distance définie entre le matelas (103) et le patient, la pression intérieure et/ou le volume intérieur du coussin étant réglé à une première valeur prédéfinie,
    remplissage du coussin actif (102) qui existe au moins pour adapter la surface du matelas aux contours respectifs du patient qui repose dessus,
    application du second signal de commande au matelas (103) pour mettre le matelas (103) dans un état rigide et
    remplissage et/ou vidage du coussin (104) pour obtenir un positionnement avec ménagement du patient, la pression intérieure et/ou le volume intérieur du coussin étant réglé à une seconde valeur prédéfinie.
EP06818819.2A 2005-11-25 2006-11-24 Dispositif et procede permettant d'installer un patient dans une position definie en le menageant Not-in-force EP1957023B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06818819.2A EP1957023B1 (fr) 2005-11-25 2006-11-24 Dispositif et procede permettant d'installer un patient dans une position definie en le menageant

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP05025833 2005-11-25
EP06024160 2006-11-21
PCT/EP2006/011305 WO2007060000A2 (fr) 2005-11-25 2006-11-24 Dispositif et procede permettant d'installer un patient dans une position definie en le menageant
EP06818819.2A EP1957023B1 (fr) 2005-11-25 2006-11-24 Dispositif et procede permettant d'installer un patient dans une position definie en le menageant

Publications (2)

Publication Number Publication Date
EP1957023A2 EP1957023A2 (fr) 2008-08-20
EP1957023B1 true EP1957023B1 (fr) 2013-04-10

Family

ID=38024132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06818819.2A Not-in-force EP1957023B1 (fr) 2005-11-25 2006-11-24 Dispositif et procede permettant d'installer un patient dans une position definie en le menageant

Country Status (6)

Country Link
US (1) US7716767B2 (fr)
EP (1) EP1957023B1 (fr)
JP (1) JP2009517103A (fr)
AU (1) AU2006316770A1 (fr)
CA (1) CA2631041C (fr)
WO (1) WO2007060000A2 (fr)

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US8128559B2 (en) * 2007-11-26 2012-03-06 Ethicon Endo-Surgery, Inc. Tissue retractors
US8531307B2 (en) 2009-09-18 2013-09-10 Hill-Rom Services, Inc. Patient support surface index control
US20110122058A1 (en) * 2009-11-25 2011-05-26 Louise Mohn Inline control system for therapeutic pad
EP2446865A1 (fr) 2010-10-28 2012-05-02 Louise Mohn Appareil de thermostimulation
US9707142B2 (en) * 2011-03-03 2017-07-18 Hill-Rom Services, Inc. Occupant support and method for positioning an occupant on the occupant support
US9015885B2 (en) * 2013-02-13 2015-04-28 William Lawrence Chapin Traveling wave air mattresses and method and apparatus for generating traveling waves thereon
US11399996B2 (en) 2013-10-16 2022-08-02 Kuiper Kamradt Llc Automatic patient turning and lifting method, system, and apparatus
WO2015057775A1 (fr) * 2013-10-16 2015-04-23 Turning Point Medical, Llc Procédé, système et appareil de levage et de retournement de patient automatique
JP2019535396A (ja) 2016-11-10 2019-12-12 ザ リサーチ ファウンデーション フォー ザ ステート ユニバーシティ オブ ニューヨーク 気道閉塞に関するシステム、方法、及びバイオマーカ
CN111904736B (zh) * 2019-05-07 2022-08-26 重庆好德译信息技术有限公司 一种面向卧床患者的多功能病床

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US4391009A (en) * 1980-10-17 1983-07-05 Huntleigh Medical Ltd. Ventilated body support
FR2638965B1 (fr) * 1988-11-15 1993-09-03 Lepinoy Ind Coussin de contention
FR2757378B1 (fr) * 1996-12-23 1999-03-12 Support Systems International Procede et appareil de support d'un element a supporter, en particulier le corps d'un patient, presentant un dispositif de support independant d'un dispositif de controle
EP1610746A1 (fr) * 2003-03-14 2006-01-04 Hill-Rom Services, Inc. Support pour patient
EP1620053A2 (fr) * 2003-05-05 2006-02-01 The Cleveland Clinic Foundation Dispositif de support pour patient dote d'un reseau de poches d'air et procede associe

Also Published As

Publication number Publication date
CA2631041C (fr) 2014-07-08
WO2007060000A2 (fr) 2007-05-31
WO2007060000A3 (fr) 2007-07-26
US7716767B2 (en) 2010-05-18
AU2006316770A1 (en) 2007-05-31
US20080313816A1 (en) 2008-12-25
EP1957023A2 (fr) 2008-08-20
CA2631041A1 (fr) 2007-05-31
JP2009517103A (ja) 2009-04-30

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