EP0759718B1 - Housse de matelas avec systeme de compensation de la pression - Google Patents

Housse de matelas avec systeme de compensation de la pression Download PDF

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Publication number
EP0759718B1
EP0759718B1 EP95922488A EP95922488A EP0759718B1 EP 0759718 B1 EP0759718 B1 EP 0759718B1 EP 95922488 A EP95922488 A EP 95922488A EP 95922488 A EP95922488 A EP 95922488A EP 0759718 B1 EP0759718 B1 EP 0759718B1
Authority
EP
European Patent Office
Prior art keywords
pressure distribution
ventilation
distribution cushion
chambers
pressure
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
EP95922488A
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German (de)
English (en)
Other versions
EP0759718A1 (fr
Inventor
Udo Seidl
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0759718A1 publication Critical patent/EP0759718A1/fr
Application granted granted Critical
Publication of EP0759718B1 publication Critical patent/EP0759718B1/fr
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    • 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
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/146—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities on the outside surface of the mattress or cushion
    • 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
    • A47C27/18—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays in combination with inflatable bodies

Definitions

  • the invention relates to a pressure distribution cushion with a integrated pressure compensation system according to the preamble of Claim 1.
  • This pressure distribution cushion is used in particular with Mattresses used and based on such Mattress described, but the scope of protection Invention is not limited to mattresses or reclining furniture. It is of course also possible to use one Cover e.g. for the backrest and / or seat of Use seating or as a pad or underlay for Mattresses and seating, including car seats.
  • DE-A-3 320 771 already shows a pressure distribution cushion Pressure equalization system.
  • a fluid is used to generate pressure fed into a pressure distribution cushion.
  • the Pressure distribution pillow is here on a shell of the Mattress core arranged and with a chamber-ventilation combination system Mistake.
  • the invention is therefore based on the object Pressure distribution pillows, especially for mattresses, so to further develop the ventilation of the mattress support surfaces is made possible without additional air supply and thus the resulting running costs can be avoided.
  • the invention is to achieve the object characterized by the technical teaching of claim 1.
  • An essential feature of the invention is that at least one of the chambers present in the pressure distribution cushion has at least one ventilation element, the Sidewalls are hermetically sealed, being by each at least one ventilation element through at least one each Ventilation opening leads, which is an opening from the top of the pressure distribution cushion by at least one each Ventilation element through to the bottom of the Pressure distribution pillow creates.
  • the essential results Advantage that the pressure distribution system according to the invention can work without additional air supply, making the Peripherals for air supply only for the one time Pressure build-up in the air chambers are needed or when through Pressure build-up or pressure reduction in the air chambers the comfort for the user should be varied.
  • the pressure distribution cushion from individual, air-filled, arranged side by side in parallel There are chambers, which chambers prefer with their longitudinal axis are arranged perpendicular to the longitudinal axis of the lying surface.
  • chambers which chambers prefer with their longitudinal axis are arranged perpendicular to the longitudinal axis of the lying surface.
  • pressure distribution is not inevitable; in another Embodiment can be provided that the longitudinal axis of the Chambers is arranged parallel to the longitudinal axis of the bed surface. Both embodiments can also be combined with one another become. It is advantageous here that parallel to the longitudinal axis arranged chambers on the lateral, outer boundaries to arrange the lying surface or the seating surface to the user to give a lateral hold.
  • These pressure distribution pillows are with appropriate Combined ventilation elements, these ventilation elements are arranged within one or more chambers, or but can be between the chambers.
  • Ventilation elements are located in the respective chamber and no air from the chambers in it Ventilation element can escape. Through this Ventilation elements lead through ventilation openings an air passage from the top to the bottom of the Allow pressure distribution pillow and vice versa.
  • the chambers can be controlled separately and with separate Air pressure can be applied. But it is also one application in groups possible.
  • each chamber will have a corresponding one Line is connected, with all lines in one Pressure distributor converge, in which several shut-off valves are arranged. One opens into the pressure distributor Supply line, which a controlled amount of air into the individual lines distributed.
  • valve actuation of the individual valves in the pressure distributor can individual lines of each Chambers are interconnected or from each other be sealed off to be filled with air or separately to be vented.
  • the longitudinal axis of the chambers of the Pressure distribution cushion perpendicular to the longitudinal axis of the Lying area are arranged and about 1/3 of the lying area in the cover the middle area.
  • Such an arrangement of the pressure distribution cushion on the Mattress core is suitable for appropriate Mattress problems in the lumbar region, in the Fix the coccyx and buttocks area.
  • the entire pressure distribution pillow on top of the mattress can be moved to support for the to form parts of the body to be treated accordingly.
  • the length the pressure distribution cushion can also be designed in this way be that both problem areas - without shifting the Pillows - to be covered.
  • you can use the pressure distribution pillows according to the invention can be achieved, by targeting individual chambers of the pressure distribution cushion deflated and other chambers inflated to create one certain desired body contour on the lying surface generate, which the body lying on it must then accept.
  • the air supply to the individual ventilation chambers can be chosen arbitrarily; in the simplest embodiment all chambers are connected in parallel to each other and lie on a common air supply. It goes without saying possible by arranging appropriate throttle valves Throttle air supply to the individual chambers as well.
  • Such a completed pressure distribution system with Associated ventilation is also most difficult to treat Suitable skin injuries, such as those used in intensive care units Treatment of skin burns are necessary.
  • Air, a gas or a suitable one is the pressure medium Liquid provided.
  • This pressure distribution system can with any Mattresses and any oils can be used and consequently this pressure distribution system either above can be arranged on a mattress and inside or is outside of a shell, or below a mattress can be arranged and then also located inside and outside the mattress cover.
  • the pressure distribution system In all cases where the pressure distribution system is fixed to the Sheath to be connected, it can be provided in the Envelope to provide a corresponding bag in which the Pressure distribution system is arranged.
  • the entire bag is detachably connected to the case and on certain points of the shell is attachable.
  • the pressure distribution cushion 1 consists of four different ones Chambers, namely longitudinal chamber parts 2 and 3 and to cross-transverse parts 4,5, the said Parts hermetically separated from each other by dividers 6 - 8 Are completed. I.e. the air in each Chamber parts 2 - 5 cannot be in the other chamber part escape because appropriate sealing separators 6 - 8 are arranged between the chamber parts 2-5.
  • the invention is not based on the arrangement limited by four different chamber parts 2 - 5, it more or fewer chamber parts can also be provided; it can e.g. one or more cross members 4,5 are also omitted.
  • a further development of the invention also provides that the dividers 6 - 8 are not hermetically sealed between the Chamber parts 2 - 5 are arranged, but that these have defined leakage recesses in order to controlled air transfer from one chamber part to another to enable.
  • this runs lengthwise Chamber part 2 two ventilation elements 9, while in the other chamber parts 3 - 5 only one ventilation element 10 - 12 is arranged.
  • Each ventilation element is in the form of a cuboid, separate element within each Chamber formed, the side walls of each Ventilation element 9 - 12 are hermetically sealed, so that over the ventilation elements 9 - 12 no air from the chambers 2 - 5 can escape into the ventilation element 9-12.
  • Each ventilation element 9-12 has a number of Vents 13 on the shown in Exemplary embodiment in an orderly sequence lie. However, this is not absolutely necessary; this Openings 13 can also be arbitrary over the area of the respective ventilation element 9 - 12 can be distributed.
  • Each ventilation opening 13 creates an opening from the Top of the pressure distribution cushion through the Ventilation element through to the bottom of the Pressure distribution pillow.
  • FIG. 1 also shows the air supply from Compressed air into the individual chamber parts 2 - 5 corresponding filling openings 16 are provided for each chamber part, schematized in Figure 1 only the air supply of the Chamber parts 2,3 is shown.
  • the line 19 is connected to an air source, for. B. a compressed air supply to a hospital, one manually operated air pump, an electrically operated Air pump or the like. More.
  • an air source for. B. a compressed air supply to a hospital, one manually operated air pump, an electrically operated Air pump or the like. More.
  • Lines 31-34 attach to the individual chambers 20-23, which open into a common pressure distributor 26.
  • a supply line 27 is arranged at the Pressure distributor 26.
  • actuation valves 28 in the Pressure distributor 26 arranged, when actuated either individual lines 31-34 are opened or closed can or when actuated also individual lines 31 - 34 can be connected to each other. Likewise, by pressing of a corresponding valve, the feed line 27 be switched off, so an internal pressure distribution to allow between lines 31-34.
  • the air or liquid can accordingly in the lines 31 - 34 either in flow direction 30 or in Flow direction 31 flow.
  • FIG. 4 shows a further embodiment additional ventilation system, for the sake of simplicity the air supply to the pressure distribution cushion 1 is no longer is shown.
  • the additional ventilation system consists of individual Ventilation chambers 35 - 38, which are on chambers 20 - 23, or 2nd - 5 are arranged.
  • Ventilation chambers 35 - 38 are with a separate Airflow supplied via a supply hose 41, which over parallel lines 42 in the flow direction 43 the air flow introduces into the individual ventilation chambers 35 - 38. There the air flows through corresponding ventilation openings 39 in Flow direction 40 upwards and thus brushes the body surface lying on it.
  • FIG. 5 is a mattress core 46 of any material and any shape in a casing 45 known per se plugged in.
  • This shell 45 preferably surrounds the Mattress core 46 all around; however, this is for the present invention is not mandatory. However, it will preferred if the side parts of the sheath 45 are longitudinally elastic are designed to increase the volume accordingly one arranged between the mattress core 46 and the sheath 45 Allow pressure distribution cushion 1.
  • the pressure distribution cushion 1 is preferably according to Figure 5 from several chambers arranged parallel to each other 2 - 5 or 20 - 23, already in the general Description was pointed out that the chambers 2-5 or 20 - 23 with their longitudinal axes both parallel to Longitudinal axis of the mattress core 46 also perpendicular to Longitudinal axis of the mattress core 46 can be arranged.
  • the embodiments of Figures 3 and 4 are Chambers 20-23 perpendicular to the longitudinal axis of the mattress core 46 arranged.
  • Each chamber 2-5 or 20-23 consists of a tight one Material, e.g. a textile, a film or the like and is separate from the other chambers with air, another Can be filled with gas or a liquid.
  • a tight one Material e.g. a textile, a film or the like and is separate from the other chambers with air, another Can be filled with gas or a liquid.
  • said mattress cover not only may be present in the seat, but also in the back surface of a seat.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)

Claims (14)

  1. Coussin de répartition de pression à système d'équilibrage de pression, en particulier pour des matelas, étant précisé qu'un fluide est introduit dans le coussin de répartition de pression (1) pour générer une pression, et que ledit coussin (1) est pourvu d'un système combiné d'aération à chambres (2-5 ; 9-12), caractérisé en ce que l'une au moins des chambres (2-5) prévues dans le coussin de répartition de pression (1) comporte au moins un élément d'aération (9-12) dont les parois latérales sont hermétiques, étant précisé qu'au moins une ouverture d'aération (13) traverse au moins un élément d'aération (9-12) et crée ainsi une ouverture qui va du côté supérieur au côté inférieur du coussin de répartition de pression (1) en traversant au moins un élément d'aération (9-12).
  2. Coussin de répartition de pression selon la revendication 1, caractérisé en ce que les ouvertures d'aération (13) prévues dans les éléments d'aération (9-12) se présentent sous la forme de plusieurs perçages d'aération à section globalement circulaire qui vont du côté supérieur au côté inférieur du coussin de répartition de pression (1) en traversant l'élément d'aération (9-12), ces ouvertures d'aération (13) permettant à l'air de passer du côté supérieur au côté inférieur du coussin de répartition de pression (1) et inversement.
  3. Coussin de répartition de pression selon la revendication 1 ou 2, caractérisé en ce que lorsqu'une pression de la surface du corps est exercée sur une chambre (2-5), cette chambre est écrasée et toute la section transversale de l'élément d'aération (9-12) correspondant se comprime ou s'élargit, moyennant quoi l'air contenu est obligatoirement aspiré ou expulsé vers le bas ou vers le haut par les ouvertures d'aération (13) et un certain effet d'aération a lieu en raison de l'effet de piston.
  4. Coussin de répartition de pression selon l'une des revendications 1 à 3, caractérisé en ce que lorsque la chambre (2-5) est relâchée, l'élément d'aération (9-12) correspondant reprend sa position initiale et de l'air est aspiré par le bas dans le sens d'écoulement (15) pour être introduit dans la section transversale ouverte de l'élément d'aération (9-12), moyennant quoi un courant d'air frais est amené sur la surface de couchage.
  5. Coussin de répartition de pression selon l'une des revendications 1 à 4, caractérisé en ce que ses chambres (2-5) sont séparées les unes des autres par des nervures de séparation (6-8) présentant des creux de fuite définis.
  6. Coussin de répartition de pression selon l'une des revendications 1 à 5, caractérisé en ce que les ouvertures d'aération (25) des éléments d'aération (24) sont disposées entre les chambres (20-23).
  7. Coussin de répartition de pression selon l'une des revendications 1 à 6, caractérisé en ce qu'il est prévu, en plus des ouvertures d'aération (13 ; 25) des éléments d'aération (9-12 ; 24), au moins une ouverture d'aération (39) dans au moins une chambre d'aération (35-38) prévue au-dessus des chambres (2-5 ; 9-12).
  8. Coussin de répartition de pression selon l'une des revendications 1 à 7, caractérisé en ce que le coussin de répartition de pression (1) se compose de plusieurs chambres (2-5 ; 20-23).
  9. Coussin de répartition de pression selon l'une des revendications 1 à 8, caractérisé en ce que les chambres (2-5 ; 20-23) du coussin de répartition de pression (1) sont disposées parallèlement et/ou perpendiculairement et/ou suivant un certain angle.
  10. Coussin de répartition de pression selon l'une des revendications 1 à 9, caractérisé en ce que ses chambres (2-5 ; 20-23) sont conçues pour pouvoir être commandées individuellement ou par groupes.
  11. Coussin de répartition de pression selon l'une des revendications 1 à 10, caractérisé en ce que ses chambres d'aération (35-38) sont conçues pour pouvoir être commandées individuellement ou par groupes.
  12. Coussin de répartition de pression selon l'une des revendications 1 à 11, caractérisé en ce qu'il est fixé ou disposé de façon lâche sur la housse (45) d'une carcasse de matelas (46) ou d'un support de matelas.
  13. Coussin de répartition de pression selon l'une des revendications 1 à 12, caractérisé en ce que la housse (45) est pourvue d'une poche (44) destinée à recevoir le coussin de répartition de pression (1).
  14. Coussin de répartition de pression selon l'une des revendications 1 à 13, caractérisé en ce que la poche (44) est solidaire de la housse (45) ou est installée sur celle-ci pour pouvoir être enlevée et remise.
EP95922488A 1994-05-27 1995-05-26 Housse de matelas avec systeme de compensation de la pression Expired - Lifetime EP0759718B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4418463A DE4418463A1 (de) 1994-05-27 1994-05-27 Matratzenhülle mit Druckausgleichssystem
DE4418463 1994-05-27
PCT/EP1995/002024 WO1995032649A1 (fr) 1994-05-27 1995-05-26 Housse de matelas avec systeme de compensation de la pression

Publications (2)

Publication Number Publication Date
EP0759718A1 EP0759718A1 (fr) 1997-03-05
EP0759718B1 true EP0759718B1 (fr) 1999-07-21

Family

ID=6519063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95922488A Expired - Lifetime EP0759718B1 (fr) 1994-05-27 1995-05-26 Housse de matelas avec systeme de compensation de la pression

Country Status (6)

Country Link
EP (1) EP0759718B1 (fr)
AT (1) ATE182254T1 (fr)
AU (1) AU2736695A (fr)
DE (2) DE4418463A1 (fr)
ES (1) ES2137521T3 (fr)
WO (1) WO1995032649A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1012393A3 (nl) 1999-01-20 2000-10-03 Recticel Matras met luchtkussen.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1535732A (fr) * 1967-06-30 1968-08-09 Lit transformable perfectionné
DE3320771A1 (de) * 1983-06-09 1984-12-13 Fritz 8942 Ottobeuren Noack Zwangsbelueftbare matratze
DE8435305U1 (de) * 1984-12-01 1985-04-04 Rheinische Braunkohlenwerke AG, 5000 Köln Arbeitsstuhl fuer koerperbehinderte
US4965901A (en) * 1989-08-21 1990-10-30 Gaudry Normand Futon with inflatable core

Also Published As

Publication number Publication date
EP0759718A1 (fr) 1997-03-05
ES2137521T3 (es) 1999-12-16
DE59506421D1 (de) 1999-08-26
ATE182254T1 (de) 1999-08-15
AU2736695A (en) 1995-12-21
WO1995032649A1 (fr) 1995-12-07
DE4418463A1 (de) 1995-11-30

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