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EP0360733B1 - Anti-pressure sores mattress - Google Patents

Anti-pressure sores mattress Download PDF

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Publication number
EP0360733B1
EP0360733B1 EP89810296A EP89810296A EP0360733B1 EP 0360733 B1 EP0360733 B1 EP 0360733B1 EP 89810296 A EP89810296 A EP 89810296A EP 89810296 A EP89810296 A EP 89810296A EP 0360733 B1 EP0360733 B1 EP 0360733B1
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EP
European Patent Office
Prior art keywords
mattress
cushions
air
air cushion
group
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.)
Expired - Lifetime
Application number
EP89810296A
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German (de)
French (fr)
Other versions
EP0360733A3 (en
EP0360733A2 (en
Inventor
Walter O. Dr. Med. Seiler
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.)
VOELLMIN HANS
VOELLMIN HANS
Oba AG
Original Assignee
VOELLMIN HANS
VOELLMIN HANS
Oba AG
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Filing date
Publication date
Application filed by VOELLMIN HANS, VOELLMIN HANS, Oba AG filed Critical VOELLMIN HANS
Priority to AT89810296T priority Critical patent/ATE100701T1/en
Publication of EP0360733A2 publication Critical patent/EP0360733A2/en
Publication of EP0360733A3 publication Critical patent/EP0360733A3/en
Application granted granted Critical
Publication of EP0360733B1 publication Critical patent/EP0360733B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/18—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays in combination with inflatable bodies
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/10—Fluid mattresses or cushions with two or more independently-fillable chambers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/148—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays of different resilience
    • 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
    • A61G7/001—Beds specially adapted for nursing; Devices for lifting patients or disabled persons with means for turning-over the patient

Definitions

  • An anti-decubitus mattress is used to position a patient, especially an older patient, in such a way that no decubitus ulcers develop or that existing decubitus ulcers can heal.
  • Known mattresses of this type are characterized by great softness.
  • alternating pressure mattresses i.e. approx. 20 cm high mattresses, which are composed of two parts which are wedge-shaped in cross-section and which are individually inflatable and can be deflated. An approximately 12 - 15 cm thick, very soft mattress is then placed on such a mattress.
  • alternating pressure mattresses have not only proven themselves because they are too high together with the additionally required mattress, but also because they do not adapt properly to those bed frames that have two hinges that extend transversely to the longitudinal direction of the bed to form a head wedge and have a foot wedge, and because when emptying one of the mattress parts there is a risk that the patient will roll out of bed or onto the existing safety gate.
  • a hospital bed with a cushion mattress and a swing drive arranged under this mattress is known.
  • This swing drive is formed by two inflatable cushions extending over the entire length of the mattress, which are designed and arranged symmetrically to each other with respect to the central plane running in the longitudinal direction of the mattress, but perpendicular to the plane of the mattress, and can be alternately filled with air, thereby Lift the mattress once on one side and then on the other, thus changing the lying surface.
  • a configuration of a lying surface cannot be combined with a modern bed frame use, i.e.
  • the head wedge can be swiveled and on the other hand the section adjoining this is divided into two parts that can also be swiveled in such a way that the lying surface is raised as required in the area of the knees and, if necessary, the lower leg of the bed user leaves.
  • the present invention now relates not to a multi-part hospital bed, but to a one-piece anti-decubitus mattress which has neither the disadvantages of the known mattresses nor the disadvantages of the hospital bed described above, but which has all the advantages necessary for prevention and treatment, including: make constant repositioning of the patient unnecessary. It is therefore a mattress with air cushions that are mirror images of each other with respect to the central plane running in the longitudinal direction of the mattress but perpendicular to the plane of the mattress, taper towards the central plane and are connected to a pumping station in such a way that they inflate alternately and let it empty.
  • the pumping station is expediently provided with a control unit, with which a pump cycle which can be selected quite broadly can be programmed, depending on the needs arising.
  • the mattress shown has a base layer 1, which consists of an approximately 3 cm thick, solid foam.
  • a base layer 1 On this base layer 1 there is an elastic frame layer, formed from two foam strips lying on top of one another, each about 15 cm wide and about 7-8 cm high, of which the lower one is designated 2 and has a similar strength to the base layer.
  • the upper one labeled 3 Stripe is much softer. It is advisable if all these parts are glued together so that they always maintain their mutual position.
  • the core lies between all of the above-mentioned components.
  • the core of the anti-decubitus mattress also includes an insert made of soft foam, lying on all air cushions and tapering outwards from the center, i.e. from the location of the central plane 16, i.e. towards the longitudinal edges, which is designated 19 in the drawing and the surface of which runs parallel to the level of the foam base layer.
  • the mattress surface is formed from a cover layer 20 which is very soft in relation to the mattress base layer 1, which extends over the entire top of the mattress and which is expediently connected to the frame layer at least at individual locations in such a way that the mattress forms a uniform whole.
  • This mattress is also expediently protected, as is the case with ordinary mattresses, by a fabric cover 21, which of course has openings for the two hoses 14 and 15 leading to the pumping station 18.
  • This pump station can be a pump used to generate air pressure, with the valves used to inflate and deflate the two air cushion groups 4, 6, 8 and 5, 7, 9.
  • the pumping station will not have a pump, but only a connection piece to connect the pumping station to the compressed air network of the patient's room, and the control valves that connect lines 14 and 15 to the connecting pieces as required or connect the discharge opening or close it.

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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)
  • Saccharide Compounds (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

The therapeutic mattress comprises an elastic but hard base layer of foam material. Over this base layer is applied a frame composed of a hard part and a soft part. On its upper side the mattress is bounded by a soft cover layer. Between or inside the aforementioned parts is disposed a core comprising essentially two groups of three air-cushions each and an insert. Each of the two air-cushion groups has its own connection to a pumping station equipped with a programmable control device. Using this control device it is possible to set up the most varied programs and cycles for moving a patient and positioning him, or repositioning him, as often as needed. In this way, decubitus ulcers may be prevented from developing, but in addition, conditions may be created to enable ulcers already developed to be healed.

Description

Eine Antidekubitus-Matratze dient dazu, einen Patienten, insbesondere einen ältern Patienten, so zu lagern, dass keine Dekubital-Geschwüre entstehen oder dass bereits vorhandene Dekubital-Geschwüre verheilen können. Bekannte Matratzen dieser Art zeichnen sich durch eine grosse Weichheit aus. Es gibt auch bereits sogenannte Wechseldruck-Matratzen, also ca. 20 cm hohe Matratzen, die aus zwei im Querschnitt keilförmigen übereinander angeordneten Teilen, die einzeln aufblasbar und entleerbar sind, zusammengesetzt sind. Auf eine solche Matratze wird dann eine ca. 12 - 15 cm dicke, sehr weiche Matratze gelegt. Diese Wechseldruck-Matratzen haben sich nicht nur deshalb nicht bewährt, weil sie zusammen mit der zusätzlich benötigten Matratze zu hoch sind, sondern auch darum, weil sie sich nicht richtig denjenigen Bettgestellen anpassen, welche zwei sich quer zur Bettlängsrichtung erstreckende Scharniere zur Bildung eines Kopfkeils und eines Fusskeiles aufweisen, und weil beim Entleeren des einen Matratzenteils die Gefahr besteht, dass der Patient aus dem Bett rollt oder an das allenfalls vorhandene Sicherungsgitter.An anti-decubitus mattress is used to position a patient, especially an older patient, in such a way that no decubitus ulcers develop or that existing decubitus ulcers can heal. Known mattresses of this type are characterized by great softness. There are also so-called alternating pressure mattresses, i.e. approx. 20 cm high mattresses, which are composed of two parts which are wedge-shaped in cross-section and which are individually inflatable and can be deflated. An approximately 12 - 15 cm thick, very soft mattress is then placed on such a mattress. These alternating pressure mattresses have not only proven themselves because they are too high together with the additionally required mattress, but also because they do not adapt properly to those bed frames that have two hinges that extend transversely to the longitudinal direction of the bed to form a head wedge and have a foot wedge, and because when emptying one of the mattress parts there is a risk that the patient will roll out of bed or onto the existing safety gate.

Des weitern ist aus der DE-A1-24 08 784 ein Krankenlager mit einer Polstermatratze und einem unter dieser Matratze angeordneten Schaukelantrieb bekannt. Dieser Schaukelantrieb wird durch zwei sich über die ganze Länge der Matratze erstreckende Blähkissen gebildet, die in bezug auf die in der Matratzen-Längsrichtung, aber senkrecht zur Matratzenebene verlaufende Mittelebene zueinander symmetrisch ausgestaltet und angeordnet sind und sich abwechslungsweise mit Luft füllen lassen, um dadurch die Matratze einmal auf der einen und dann auf der andern Seite anzuheben und so die Liegefläche zu verändern. Eine solche Ausgestaltung einer Liegefläche lässt sich jedoch nicht zusammen mit einem modernen Bettgestell verwenden, d.h. ein Bettgestell, bei welchem einerseits der Kopfkeil verschwenkbar und andererseits der an diesen anschliessende Abschnitt derart in zwei ebenfalls verschwenkbare Teile unterteilt ist, dass sich die Liegefläche je nach Bedarf im Bereich der Knie und, falls nötig, auch der Unterschenkel des Bettbenützers anheben lässt.Furthermore, from DE-A1-24 08 784 a hospital bed with a cushion mattress and a swing drive arranged under this mattress is known. This swing drive is formed by two inflatable cushions extending over the entire length of the mattress, which are designed and arranged symmetrically to each other with respect to the central plane running in the longitudinal direction of the mattress, but perpendicular to the plane of the mattress, and can be alternately filled with air, thereby Lift the mattress once on one side and then on the other, thus changing the lying surface. However, such a configuration of a lying surface cannot be combined with a modern bed frame use, i.e. a bed frame, on the one hand the head wedge can be swiveled and on the other hand the section adjoining this is divided into two parts that can also be swiveled in such a way that the lying surface is raised as required in the area of the knees and, if necessary, the lower leg of the bed user leaves.

Die vorliegende Erfindung betrifft nun nicht ein aus mehreren Teilen bestehendes Krankenlager, sondern eine einstückige Antidekubitus-Matratze, die weder die Nachteile der bekannten Matratzen noch die Nachteile des vorstehend beschriebenen Krankenlagers aufweist, jedoch alle für die Vorbeugung und die Behandlung nötigen Vorteile besitzt, die ein ständiges Umbetten des Patienten überflüssig machen. Es handelt sich also um eine Matratze mit Luftkissen, die spiegelbildlich zueinander in bezug auf die in der Matratzen-Längsrichtung aber senkrecht zur Matratzenebene verlaufenden Mittelebene angeordnet sind, sich gegen die Mittelebene hin verjüngen und derart mit einer Pumpstation verbunden sind, dass sie sich abwechselnd aufblasen und entleeren lassen. Sie ist dadurch gekennzeichnet, dass sie aus einer elastischen aber festen Schaumstoff-Grundschicht, einer im Verhältnis zur Grundschicht weichen Deckschicht, einer dazwischen angeordneten elastischen Rahmenschicht und einem zwischen all diesen Bestandteilen befindlichen, die Luftkissen aufweisenden Kern besteht, wobei die Luftkissen auf der Grundschicht eben aufliegen und wobei beidseits der Mittelebene je drei eine Gruppe bildende Kissen vorhanden sind, die im luftgefüllten Zustand gegeneinander um mindestens 90° verschwenkbar und derart mit der Pumpstation verbunden sind, dass sich die Kissen der einen Gruppe gemeinsam, aber unabhängig von den Kissen der andern Gruppe aufblasen und entleeren lassen. Eine derartige Matratze lässt sich so ausgestalten, dass sie im vollständig mit Luft gefüllten Zustand nur eine Höhe von maximal 26 cm aufweist. Die Pumpstation ist zweckmässigerweise mit einem Steuergerät versehen, mit welchem sich je nach dem sich stellenden Bedürfnis ein ziemlich breit wählbarer Pumpzyklus programmieren lässt.The present invention now relates not to a multi-part hospital bed, but to a one-piece anti-decubitus mattress which has neither the disadvantages of the known mattresses nor the disadvantages of the hospital bed described above, but which has all the advantages necessary for prevention and treatment, including: make constant repositioning of the patient unnecessary. It is therefore a mattress with air cushions that are mirror images of each other with respect to the central plane running in the longitudinal direction of the mattress but perpendicular to the plane of the mattress, taper towards the central plane and are connected to a pumping station in such a way that they inflate alternately and let it empty. It is characterized by the fact that it consists of an elastic but firm foam base layer, a cover layer that is soft in relation to the base layer, an elastic frame layer arranged in between and a core that contains the air cushions and is located between all these components, the air cushions on the base layer being flat lie on both sides of the There are three cushions forming a group in the middle level, which in the air-filled state can be pivoted against each other by at least 90 ° and are connected to the pumping station in such a way that the cushions of one group can be inflated and deflated together, but independently of the cushions of the other group. Such a mattress can be designed such that it only has a maximum height of 26 cm when completely filled with air. The pumping station is expediently provided with a control unit, with which a pump cycle which can be selected quite broadly can be programmed, depending on the needs arising.

Nachfolgend wird anhand der beiliegenden Zeichnung ein Ausführungsbeispiel der Erfindung beschrieben. In der Zeichnung zeigt

  • die Figur 1 einen Querschnitt durch eine erfindungsgemässe Antidekubitus-Matratze nach der Linie I-I
  • der Figur 2, die eine Draufsicht auf die Matratze zeigt, allerdings bei teilweise weggebrochenem Einsatz und weggebrochener Deckschicht und
  • die Figur 3 zeigt eine perspektivische Darstellung der Antidekubitus-Matratze.
An exemplary embodiment of the invention is described below with reference to the accompanying drawing. In the drawing shows
  • 1 shows a cross section through an anti-decubitus mattress according to the line II
  • of Figure 2, which shows a plan view of the mattress, but with the insert partially broken away and the top layer and
  • FIG. 3 shows a perspective view of the anti-decubitus mattress.

Die dargestellte Matratze weist eine Grundschicht 1 auf, die aus einem ca. 3 cm dicken, festen Schaumstoff besteht. Auf dieser Grundschicht 1 liegt eine elastische Rahmenschicht, gebildet aus zwei aufeinander liegenden, je ca. 15 cm breiten und ca. 7 - 8 cm hohen Schaumstoffstreifen, von denen der untere mit 2 bezeichnet ist und eine ähnliche Festigkeit besitzt wie die Grundschicht. Der obere mit 3 bezeichnete Streifen ist wesentlich weicher. Es ist zweckmässig, wenn all diese Teile durch Kleben etwas miteinander verbunden sind, sodass sie stets ihre gegenseitige Lage beibehalten. Zwischen all den vorgenannten Bestandteilen befindet sich der Kern. Er wird hier aus sechs Luftkissen 4, 5, 6, 7, 8 und 9 gebildet, von denen je drei miteinander durch eine Luftleitung verbunden sind, nämlich die Luftkissen 4, 6 und 8 durch die Leitung 10/12 einerseits und die Luftkissen 5, 7 und 9 durch die Leitung 11/13 andererseits, wodurch zwei Gruppen von Luftkissen gebildet werden. Diese beiden Gruppen von auf der Grundschicht 1 liegenden Luftkissen sind in bezug auf die in der Matratzenlängsrichtung aber senkrecht zur Matratzenebene verlaufende Mittelebene 16 spiegelbildlich zueinander angeordnet und ausgebildet. Wie aus der Zeichnung ersichtlich ist, verjüngen sich diese Kissen gegen die Mittelebene 16 hin derart, dass sie im luftgefüllten Zustand dort nur eine Höhe von ca. 7 cm aufweisen, während die Höhe am gegenüberliegenden Kissenrand, also bei der Rahmenschicht, ca. 15 cm beträgt. Die eine Luftkissengruppe ist über einen Schlauch 14 und die andere über einen Schlauch 15 mit einer in der Zeichnung nur schematisch dargestellten mit einem Steuergerät 17 versehenen Pumpstation 18 verbunden. Zum Kern der Antidekubitus-Matratze gehört des weitern ein aus weichem Schaumstoff bestehender, auf allen Luftkissen aufliegender, sich von der Mitte, also vom Ort der Mittelebene 16 nach aussen, also gegen die Längsränder hin sich verjüngender Einsatz, der in der Zeichnung mit 19 bezeichnet ist und dessen Oberfläche zur Ebene der Schaumstoffgrundschicht parallel verläuft. Die Matratzenoberfläche wird gebildet aus einer im Verhältnis zur Matratzengrundschicht 1 sehr weichen Deckschicht 20, die sich über die ganze Matratzenoberseite erstreckt und die zweckmässigerweise mit der Rahmenschicht mindestens an einzelnen Orten so verbunden ist, dass die Matratze ein einheitliches Ganzes bildet. Dadurch, dass auf jeder Seite der Mittelebene 16 nicht ein einheitliches Luftkissen sondern je eine Gruppe von drei Luftkissen, die durch Querstege 22 und 23 voneinander distanziert sein können, angeordnet ist, ist es möglich, dass die Matratze so flexibel ist, wie das für ein Bettgestell nötig ist, bei welchem die Matratzenauflage aus drei durch Scharniere miteinander verbundenen, gegeneinander verschwenkbaren Teilen besteht, einem Teil, der als Knopfkeil dient, und den beiden andern Teilen, die dazu dienen, die richtige Lagerung von Ober- und Unterschenkel zu gewährleisten, also die Bildung einer für die Unterstützung der Kniekehle dienenden Erhöhung zu ermöglichen.The mattress shown has a base layer 1, which consists of an approximately 3 cm thick, solid foam. On this base layer 1 there is an elastic frame layer, formed from two foam strips lying on top of one another, each about 15 cm wide and about 7-8 cm high, of which the lower one is designated 2 and has a similar strength to the base layer. The upper one labeled 3 Stripe is much softer. It is advisable if all these parts are glued together so that they always maintain their mutual position. The core lies between all of the above-mentioned components. It is formed here from six air cushions 4, 5, 6, 7, 8 and 9, three of which are each connected to one another by an air line, namely the air cushions 4, 6 and 8 by the line 10/12 on the one hand and the air cushions 5, 7 and 9 through line 11/13 on the other hand, whereby two groups of air cushions are formed. These two groups of air cushions lying on the base layer 1 are arranged and formed in mirror image relation to one another with respect to the central plane 16 which runs in the longitudinal direction of the mattress but perpendicular to the plane of the mattress. As can be seen from the drawing, these cushions taper towards the central plane 16 in such a way that they only have a height of about 7 cm in the air-filled state, while the height at the opposite edge of the cushion, i.e. in the frame layer, is about 15 cm is. One group of air cushions is connected via a hose 14 and the other via a hose 15 to a pumping station 18 provided only schematically in the drawing with a control unit 17. The core of the anti-decubitus mattress also includes an insert made of soft foam, lying on all air cushions and tapering outwards from the center, i.e. from the location of the central plane 16, i.e. towards the longitudinal edges, which is designated 19 in the drawing and the surface of which runs parallel to the level of the foam base layer. The mattress surface is formed from a cover layer 20 which is very soft in relation to the mattress base layer 1, which extends over the entire top of the mattress and which is expediently connected to the frame layer at least at individual locations in such a way that the mattress forms a uniform whole. The fact that on each side of the central plane 16 not a single air cushion but a group of three Air cushions, which can be spaced apart from one another by transverse webs 22 and 23, it is possible that the mattress is as flexible as is necessary for a bed frame in which the mattress topper consists of three parts which can be pivoted together and are hinged to one another , a part that serves as a button wedge, and the other two parts that serve to ensure the correct positioning of the thighs and lower legs, that is, to enable the formation of a rise serving to support the hollow of the knee.

Auch diese Matratze wird zweckmässigerweise, wie das bei gewöhnlichen Matratzen der Fall ist, durch eine Stoffhülle 21 geschützt, die selbstverständlich Öffnungen für die beiden zur Pumpstation 18 führenden Schläuche 14 und 15 aufweist. Bei dieser Pumpstation kann es sich um eine zur Erzeugung eines Luftdrucks dienende Pumpe mit den zum Aufblasen und Entleeren der beiden Luftkissen-Gruppen 4, 6, 8 bzw. 5, 7, 9 dienenden Ventilen handeln. Für die Verwendung in einem neuzeitlich ausgestatteten Spital oder Altersheim wird die Pumpstation jedoch keine Pumpe aufweisen, sondern nur einen Anschlussstutzen, um die Pumpstation mit dem Druckluftnetz des Patientenzimmers zu verbinden, und den Steuerventilen, die die Leitungen 14 und 15 je nach Bedarf mit den Anschlussstutzen oder der Entlastungsöffnung verbinden oder diese abschliessen.This mattress is also expediently protected, as is the case with ordinary mattresses, by a fabric cover 21, which of course has openings for the two hoses 14 and 15 leading to the pumping station 18. This pump station can be a pump used to generate air pressure, with the valves used to inflate and deflate the two air cushion groups 4, 6, 8 and 5, 7, 9. For use in a modern hospital or old people's home, however, the pumping station will not have a pump, but only a connection piece to connect the pumping station to the compressed air network of the patient's room, and the control valves that connect lines 14 and 15 to the connecting pieces as required or connect the discharge opening or close it.

Das Steuergerät dient zur Wahl des gewünschten bzw. benötigten Pump- bzw. Schaltzyklus und auch dazu, zwischen den einzelnen Schritten des Zyklus Pausen wählbarer Länge von bis zu 30 Minuten einzuschalten, sowie auch dazu, die Aufblas- und Entleerungsgeschwindigkeiten frei zu wählen, wobei sich für letztere Zeiten von 1 - 3 Minuten vorzugsweise 2 - 3 Minuten als zweckmässig erwiesen haben. Zweckmässigerweise sind bei den Steuergeräten folgende Zyklen vorgesehen:

Zyklus A:
  • a) Entleeren der einen Luftkissengruppe
  • b) Aufblasen dieser einen Luftkissengruppe
Zyklus B:
  • a) Entleeren der andern Luftkissengruppe
  • b) Aufblasen dieser andern Luftkissengruppe
Zyklus C:
  • a) Entleeren der einen Luftkissengruppe
  • b) Aufblasen dieser einen Luftkissengruppe
  • c) Entleeren der andern Luftkissengruppe
  • d) Aufblasen dieser andern Luftkissengruppe
Durch das Entleeren einer Luftkissengruppe wird der Patient auf eine sehr schonende Art und Weise in eine neue Lage gebracht, sodass nicht stets seine gleichen Körperteile durch sein Eigengewicht belastet werden, was zur Verhinderung von Dekubitus-Geschwüren nötig ist.The control unit is used to select the desired or required pumping or switching cycle and also to switch on pauses of a selectable length of up to 30 minutes between the individual steps of the cycle, and also to freely select the inflation and deflation speeds, whereby have proven to be expedient for the latter times of 1-3 minutes, preferably 2-3 minutes. The following cycles are expediently provided for the control units:
Cycle A:
  • a) Emptying one air cushion group
  • b) inflating this one air cushion group
Cycle B:
  • a) Emptying the other air cushion group
  • b) inflating this other group of air cushions
Cycle C:
  • a) Emptying one air cushion group
  • b) inflating this one air cushion group
  • c) emptying the other air cushion group
  • d) inflating this other air cushion group
By emptying an air cushion group, the patient is brought into a new position in a very gentle way, so that his own body parts are not always burdened by his own weight, which is necessary to prevent pressure ulcers.

Mit diesen Zyklen sind beispielsweise folgende Bewegungsprogramme möglich:

  • 1. a) Sorgfältiges Neigen des Patienten von der horizontalen Lage in die linken Seitenlage, was 2 Minuten in Anspruch nimmt;
  • b) liegen in dieser Lage während 15 Minuten;
  • c) rückführen in die horizontale Rückenlage, was wieder ca. 2 Minuten in Anspruch nimmt;
  • d) liegen in dieser Lage während 15 Minuten; dann wieder a - d.
  • 2. a) Sorgfältiges Neigen des Patienten von der horizontalen Lage in die rechte Seitenlage, was 1 1/2 Minuten in Anspruch nimmt;
  • b) liegen in dieser Lage während 20 Minuten;
  • c) rückführen in die horizontale Rückenlage, was wieder ca. 1 1/2 Minuten in Anspruch nimmt;
  • d) liegen in dieser Lage während 20 Minuten; dann wieder a - d.
  • 3. a) Neigen des Patienten von der horizontalen Lage in die rechte Seitenlage, was 1 Minute in Anspruch nimmt;
  • b) liegen in dieser Lage während 25 Minuten;
  • c) rückführen in die horizontale Rücklage, was wieder ca. 1 Minute in Anspruch nimmt;
  • d) liegen in dieser Lage während 25 Minuten;
  • e) Neigen aus dieser horizontalen Lage in die linke Seitenlage, was 1 Minute in Anspruch nimmt;
  • f) liegen in dieser Lage während 25 Minuten;
  • g) rückführen in die horizontale Lage, was 1 Minute in Anspruch nimmt;
  • h) liegen in dieser Lage während 20 Minuten; dann a - h.
  • 4. Programm wie 3, jedoch ohne d) und h). (d.h. die Zeiten für d) und h) betragen 0 Sekunden.)
Selbstverständlich lassen sich noch viele weitere Programme vorgeben.The following movement programs are possible with these cycles:
  • 1. a) Carefully tilting the patient from the horizontal position to the left side position, which takes 2 minutes;
  • b) lie in this position for 15 minutes;
  • c) return to the horizontal supine position, which again takes about 2 minutes;
  • d) lie in this position for 15 minutes; then again a - d.
  • 2. a) Carefully tilt the patient from the horizontal position to the right side position, which takes 1 1/2 minutes;
  • b) lie in this position for 20 minutes;
  • c) return to the horizontal supine position, which again takes about 1 1/2 minutes;
  • d) lie in this position for 20 minutes; then again a - d.
  • 3. a) tilting the patient from the horizontal position to the right side position, which takes 1 minute;
  • b) lie in this position for 25 minutes;
  • c) return to the horizontal reserve, which again takes about 1 minute;
  • d) lie in this position for 25 minutes;
  • e) Tilt from this horizontal position to the left side position, which takes 1 minute;
  • f) lie in this position for 25 minutes;
  • g) return to the horizontal position, which takes 1 minute;
  • h) lie in this position for 20 minutes; then a - h.
  • 4. Program as 3, but without d) and h). (ie the times for d) and h) are 0 seconds.)
Of course, many other programs can be specified.

Claims (5)

  1. Mattress for combatting decubitus ulcers, with air cushions which are arranged in mirror image to one another with respect to the centre plane (16) extending in the mattress longitudinal direction but perpendicularly to the mattress plane and which taper towards the centre plane (16) and are connected with a pump station (18) in such a manner that they can be alternately inflated and deflated, characterised thereby that the mattress consists of an elastic but hard base layer (1) of foam material, a cover layer (20) which is soft by comparison with the base layer, an elastic frame layer (2, 3) arranged therebetween and a core which is disposed between all these components and which comprises the air cushions, wherein the air cushions rest flatly on the base layer (1) and wherein present on each side of the centre plane (16) is a respective set of three cushions which form one group and which in the inflated state are pivotable relative to one another through at least 90° and are connected with the pump station (18) in such a manner that the cushions (6) of one group can be inflated and deflated together but independently of the cushions (7) of the other group.
  2. Mattress for combatting decubitus ulcers according to claim 1, characterised thereby that the pump station (18) is provided with a control apparatus (17) by which each of the following three pumping cycles can be repeated as often as desired after switching on of the control apparatus and filling of all cushions
    Cycle A:   
    a) deflating of the one air cushion group
    b) inflating of this one air cushion group
    Cycle B:   
    a) deflating of the other air cushion group
    b) inflating of this other air cushion group
    Cycle C:   
    a) deflating of the one air cushion group
    b) inflating of this one air cushion group
    c) deflating of the other air cushion group
    d) inflating of this other air cushion group,
    wherein freely programmable pauses of selectable duration of up to 30 minutes can be inserted between the individual steps and the repetition of the individual cycles and the inflation and deflation speed is so adjustable that inflation and deflation times of 60 to 180 seconds, preferably of 120 to 180 seconds, can be selected.
  3. Mattress for combatting decubitus ulcers according to claim 1 or 2, characterised thereby that the air cushions in the inflated state have a maximum height of 14 to 16 centimetres as well as a taper angle of 16° to 20°.
  4. Mattress for combatting decubitus ulcers according to claims 1 to 3, characterised thereby that it has a height of at most 26 centimetres.
  5. Mattress for combatting decubitus ulcers according to one of claims 1 to 4, characterised thereby that the core comprises an insert which consists of soft foam material, rests on all air cushions and tapers from the middle towards the longitudinal edges.
EP89810296A 1988-08-25 1989-04-20 Anti-pressure sores mattress Expired - Lifetime EP0360733B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89810296T ATE100701T1 (en) 1988-08-25 1989-04-20 ANTI-DECUBITUS MATTRESS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3164/88 1988-08-25
CH316488 1988-08-25

Publications (3)

Publication Number Publication Date
EP0360733A2 EP0360733A2 (en) 1990-03-28
EP0360733A3 EP0360733A3 (en) 1990-09-26
EP0360733B1 true EP0360733B1 (en) 1994-01-26

Family

ID=4250004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810296A Expired - Lifetime EP0360733B1 (en) 1988-08-25 1989-04-20 Anti-pressure sores mattress

Country Status (4)

Country Link
US (1) US4947500A (en)
EP (1) EP0360733B1 (en)
AT (1) ATE100701T1 (en)
DE (1) DE58906810D1 (en)

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Also Published As

Publication number Publication date
DE58906810D1 (en) 1994-03-10
EP0360733A3 (en) 1990-09-26
EP0360733A2 (en) 1990-03-28
ATE100701T1 (en) 1994-02-15
US4947500A (en) 1990-08-14

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