EP0614636A1 - Matelas conformé anatomiquement - Google Patents

Matelas conformé anatomiquement Download PDF

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Publication number
EP0614636A1
EP0614636A1 EP94102497A EP94102497A EP0614636A1 EP 0614636 A1 EP0614636 A1 EP 0614636A1 EP 94102497 A EP94102497 A EP 94102497A EP 94102497 A EP94102497 A EP 94102497A EP 0614636 A1 EP0614636 A1 EP 0614636A1
Authority
EP
European Patent Office
Prior art keywords
area
support area
mattress
foam
hip
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.)
Granted
Application number
EP94102497A
Other languages
German (de)
English (en)
Other versions
EP0614636B1 (fr
Inventor
Georg-Wilhelm Kirchhoff
Linda H. Dr. Med. Dixon
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.)
Kirchhoff Guenther
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Kirchhoff Guenther
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kirchhoff Guenther filed Critical Kirchhoff Guenther
Publication of EP0614636A1 publication Critical patent/EP0614636A1/fr
Application granted granted Critical
Publication of EP0614636B1 publication Critical patent/EP0614636B1/fr
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
    • A47C27/20—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material
    • 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
    • A47C27/14—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

Definitions

  • the invention relates to an anatomically designed reclining mattress on the basis of a one-piece coherent foam body of generally flat cuboid shape with two main surfaces to be positioned essentially horizontally in the position of use, namely a bottom surface and an upper surface, furthermore with two essentially vertical in the position of use Transverse side surfaces, namely a transverse side surface close to the head and a transverse side surface close to the foot, and furthermore with two longitudinal side surfaces which are again essentially vertical in the position of use, the top surface - viewed in plan view - a hip-back support area, a shoulder support area, a head support area and one on both sides of a vertical longitudinal center plane Has leg-footrest area.
  • foam body must be homogeneous over its entire length, and is also not to say that the Foam body is made of the same material over its entire length and width. Furthermore, this is not to say that the foam body is obtained by a single foaming process. It should only be expressed by this statement that the foam body is connected over the entire surface - top surface and bottom surface - in such a way that it can and must be handled as a whole and that there are no gaps between successive adjacent subregions, as is the case, for example is the case with traditional three-part mattresses.
  • the invention has for its object to offer stabilized seating in the area of the longitudinal side surfaces of the mattress.
  • the pressure rigidity of the foam body in the hip-back support area increases from the vertical longitudinal center plane in the direction of the longitudinal side surfaces.
  • the foam body is stiffened sideways of the vertical longitudinal median plane near the vertical longitudinal side surfaces
  • This stabilized sitting in the respectively accessible longitudinal side area of the mattress proves to be advantageous, for example, when the mattress user wants to perform dressing operations while sitting on one longitudinal side surface of the mattress.
  • the increased pressure rigidity near a long side surface makes it easier for the mattress user to get on and off the mattress. This is because the user can first sit in a relatively stable sitting position when getting into his bed near the respective long side surface lower and then make the transition to the lying position from this sitting position.
  • stiffeners on both longitudinal side surfaces also ensures that the user inevitably finds a lying position between the two stiffeners, ie in the region of the vertical longitudinal center plane. Furthermore, the stiffeners provided in the region of the two longitudinal side surfaces stabilize the bed while sleeping in the region of the vertical longitudinal center plane, so that the risk of falling out of the bed is minimized if the body is displaced too much to one longitudinal side surface.
  • the arrangement of stiffeners in the area of the two longitudinal side surfaces also has the advantage that, regardless of the spatial assignment of the mattress or the bed frame equipped with the mattress, a seating area is available on the exposed longitudinal side surface.
  • the mattress can be designed in such a way that a seat area adjoins a central hip-back support area located on both sides of the vertical longitudinal center plane to the two long side faces, the compressive rigidity of the foam body within the hip-back support central area being essentially constant and also in the seat areas in the is substantially constant, however, larger than in the central hip-back support area.
  • Such an embodiment has the advantage that it is relatively easy to use conventional methods can be produced, for example, by providing edge recesses in a pre-formed foam body in the seating areas and then filling these edge recesses with appropriately shaped foam bodies of higher pressure rigidity, the connection being able to be effected by welding, gluing or the like.
  • the transition from the central hip-back support area to the vertical longitudinal side faces takes place continuously, for example by locally controlling the foaming conditions differently when the foam body is being foamed.
  • the seating areas are made with a foam different from the foam of the hip-backrest central area, which has greater compressive rigidity than the foam of the hip-backrest central area.
  • the seating areas have the greatest approximation in a transverse plane parallel to the two transverse side surfaces and with increasing distance from this transverse plane to have a transverse side face near the head and a distance from the transverse side face near the foot that increases and increases as steadily as possible.
  • a boundary curve has proven to be favorable, in which the boundaries between the central hip-back support area and the two seating areas run approximately along partial arcs which are convex towards the vertical longitudinal median plane, the centers of these partial arcs lying outside the respectively associated longitudinal side surface.
  • the term circular arc should be understood in the sense of an edge- and corner-free border course, whereby the circular arcs also can be replaced by other similar geometric shapes, for example elliptical arches.
  • the location of the seating areas is important: these seating areas are preferably placed in such a way that with a mattress size of 100 cm x 200 cm, the seating areas, and their ends near the feet, are at a distance of approx. 75 cm to 85 cm from the transverse side surface near the feet, preferably approx 80 cm and their ends near the head to the transverse side surface near the head have a distance of approximately 65 cm to approximately 75 cm, preferably approximately 70 cm. This results in a length of the seating area of increased pressure rigidity of approximately 50 cm. This measure is sufficient to realize the possibilities mentioned above.
  • the seating areas should have the smallest transverse distance from each other at the middle point of their respective longitudinal extent, which in the case of a basic mattress size of 200 cm ⁇ 100 cm is approximately approximately 55 cm to approximately 65 cm, preferably approximately 60 cm. It has been found that such a medium distance measure does not limit the comfort for the person lying down, but nevertheless fulfills the advantages of stabilized sitting and protection against falling out, as stated above.
  • the transverse plane of the seating areas should be at a distance of approximately 100 cm to approximately 110 cm, preferably approximately 105 cm.
  • the foam of the seating areas is different from the foam of the hip-back support area over the entire cuboid height, which is, for example, 12 cm, and is homogeneous and uniform in terms of material.
  • a simple cutting process with a cutting knife running perpendicular to the top surface can first cut out the seating area and then insert, for example, weld or glue in a suitable packing made of foam of higher stiffness.
  • the design according to the invention with seating areas close to the longitudinal side surfaces can advantageously be combined with a design in which the foam body has a lower compressive rigidity in at least a partial area of the shoulder support area than in a central hip-back support area and in a head support area.
  • a design is known per se and has so far been carried out in such a way that the mentioned partial area of the shoulder rest area was designed with a cavity which was filled with air. As a result, the material supply in this area was reduced and, seen integrally, the compressive rigidity in this area was reduced.
  • the comfort increases in particular in the event that - according to a frequent sleeping behavior - the person lying on the side lies on the mattress and then with the respective one shoulder located below can penetrate into the stiffness-reduced shoulder support area.
  • This possibility of the cavity in the shoulder support area is also considered in the case of the present invention in combination with the seating areas according to the invention.
  • another previously unknown advantageous possibility is being considered, namely the possibility that in the shoulder rest area or at least in a part of the shoulder rest area the cavity formed by a recess is filled with a foam of less elastic stiffness or at least partly filled. In such a case, there is a resulting pressure stiffness in the shoulder support area or in its partial area, which results from the pressure stiffness of the mattress base and the foam insert and from the relative wall thicknesses of the same.
  • the preferred embodiment provides for the presence of the foam of lower elastic stiffness in the shoulder rest area, as mentioned above.
  • the advantage of this alternative, for which independent protection is sought, compared to an embodiment in which a cavity is provided in the shoulder support area, is that even in the shoulder support area, despite the reduced compressive rigidity there, thanks to the foam insert of greater softness, an uncontrolled sinking in is avoided and instead occurs soft cushioned sinking is possible.
  • the partial area of reduced compression rigidity does not extend over the entire width of the foam body between the opposing longitudinal side faces but only over a partial area between these longitudinal side faces, preferably over a partial area which is symmetrical with respect to the vertical longitudinal center plane. Then, in this partial area, a possibility of facilitated sinking of the shoulder has been created, but only in this partial area and not in the adjacent areas adjacent to this partial area, which are near the long side surfaces. This creates an additional centering effect.
  • the recess which serves as an air space or as a receiving space for a softer foam, can basically be worked in from the bottom surface or from the top surface of the mattress.
  • This blind hole is difficult to make, especially if you use cutting technology. It is therefore preferred to make use of the possibility of creating an all-round closed hole in the shoulder area from the longitudinal side surface to the longitudinal side surface and introducing the foam of reduced pressure rigidity into this hole.
  • the foam insert of lower compressive rigidity is inserted beforehand into the foam mold for the mattress body, so that it is completely or partially foamed during the subsequent foaming of the foamable material inserted into the mold.
  • the distance of the shoulder support area namely the distance of its end near the foot, from the transverse side surface near the foot should preferably be approximately 125 cm and the distance of the end of the shoulder support area near the head approx. 30 cm to approx. 40 cm, preferably approx. 35 cm from the transverse side surface close to the head
  • These dimensions should be calculated from the boundaries of the shoulder receiving area, in which the reduced pressure rigidity begins or ends.
  • the dimensions are again given a basic size of 200 cm x 100 cm of the mattress body and change for other basic dimensions of the mattress body according to corresponding similarity relationships.
  • the distance of this partial area from the long side faces should each be about 15 cm up to approx. 25 cm, preferably approx. 20 cm, again under the condition of a basic mattress size of 200 cm x 100 cm.
  • the pressure rigidity of the foam body is essentially constant over the entire surface extent of the top surface or bottom surface, with the exception of any seat areas and any shoulder support area, i.e. is formed by a foam material with the same material composition and homogeneous structure. In such a case, it is then necessary to subsequently process the foam body, which is produced, for example, in a foaming mold, only where the seat areas and the shoulder support area are to be created.
  • the foam body is uniform in terms of material and structurally homogeneous over its entire height over the entire top surface or bottom surface, again with the exception of only any seating areas and a possible shoulder support area of lower compressive strength.
  • the top surface of the foam body with a profiling at least in the central hip-back support area, but also in at least part of the foot-leg support area and / or in at least part of the shoulder support area .
  • profiling is known per se. It can also be formed in a known manner from a field of truncated pyramids.
  • such a profiling is provided in an area of the top surface which is at a distance of approx. 10 cm from the transverse side surface near the foot and a distance of approx. 35 cm from the transverse side surface near the head and which is on the other hand from the has a distance of approx. 15 cm to approx. 25 cm, preferably approx. 20 cm, between the two longitudinal side surfaces, again under the condition of a basic mattress size of 200 cm ⁇ 100 cm.
  • the height of the foam body can be between approximately 8 cm and approximately 20 cm, preferably approximately 12 cm, depending on the compressive rigidity.
  • the foam body can consist of synthetic foam, for example of polyurethane foam or of latex foam, or of a combination of the two.
  • the Shore hardness of the foam can be varied within wide limits in accordance with the respective height of the foam body in order to produce a certain pressure stiffness, in order to adapt it to the particular stiffness requirement of the patient.
  • the foam body can be substantially completely enclosed by a substantially closed shell, the shell being shaped so that it adapts as easily as possible to the outer shape of the foam body and can therefore be covered as easily as possible without forming folds in the covered state.
  • a zipper is recommended to close the cover at the point of insertion for the foam body or a Velcro fastener, which should extend over the entire length of at least one transverse side surface if possible.
  • the cover should be made of woven, knitted or tile-like textile material in order to make it as comfortable as possible.
  • the lying properties of the mattress can be improved further in that the cover is designed as a two-layer quilted cover at least in the area of the top surface, both layers preferably again consisting of textile material of the type mentioned above.
  • the topstitch cells can be filled with a natural fiber filling or with a washable synthetic fiber filling. Good washability of the filling and the covering material is particularly desirable with a view to avoiding allergies to house dust.
  • the synthetic fiber fillings are particularly suitable for washing.
  • natural fiber fillings provide effective moisture absorption and good air circulation.
  • the profiling on the upper surface of the mattress is particularly desirable with regard to so-called pressure ulcer symptoms, particularly in the case of older patients and those who are long-term.
  • the mattress according to the invention is excellently suitable for combination with so-called neck support pillows, which either have a trough in the central region of their transverse extension or tend to form troughs under the load of the head or neck of the person lying down due to the correspondingly reduced rigidity in this region.
  • a position of the body of the person lying down is determined in which the body axis assumes a preferred position, in particular a straight position.
  • the neck support pillow inevitably adjusts itself to a desired position transverse to the longitudinal axis of the body and can also be fixed if necessary.
  • Such a mattress has considerable advantages in use.
  • a hollow cross forcing is avoided in the mattress according to the invention.
  • the seat areas stabilize the person lying down in the longitudinal central area, without - thanks to the arched design - the comfort of lying down being affected when approaching eccentric positions.
  • this arch-shaped design of the contour of the seating areas which increases the comfort of the bed, allows the seating areas to be made relatively wide in their longitudinal centers without negative effects on the seating comfort, as expressed by the dimensions in feature b).
  • This increase in seating comfort is further enhanced by the fact that in the entire hip-back support area there is a pressure stiffness that is lower than the pressure stiffness in the seat area, but still a pressure stiffness that is greater than in the central shoulder rest area. The seated person is thus still relatively stabilized even when the seat is eccentric with respect to the respective seating area.
  • the mattress is generally designated 10.
  • This mattress 10 has an upper surface 12, a lower surface 14, a transverse side surface 16 near the head, a transverse side surface 18 near the foot and two longitudinal side surfaces 20, 22.
  • the top surface 12 is delimited by the points abcd.
  • the following surface areas can be distinguished within the top surface 12: a foot-leg support area aehd, a hip-back support area efgh, a shoulder rest area fijg, a headrest area ibcj, a central foot-leg rest area a central hip-back support area lmno, a central shoulder rest area, a central headrest area svut, a central area kstp, a seating area efq, a seating area hrg.
  • the mattress over its entire height H is made of uniform foam, for example by introducing a foamable and then curable foam mixture into a foam mold.
  • a foam of greater hardness is provided in the areas efq and hgr over the entire height H, or in other words, the foam in the areas efq and hgr has a greater elastic compressive rigidity than the foam in the adjacent areas.
  • the greater elastic pressure rigidity in the areas efq and hgr is achieved in that notches are already formed in the areas efq and hgr by foaming during the manufacture of the mattress body, or that after production of a fully cuboid mattress body in the Longitudinal side surfaces 20 and 22 cutouts are cut along the lines efq and hgr, which extend over the entire height H. Then, in the cutouts efq and hgr formed in this way, corresponding foam bodies made of the foam of higher elastic pressure rigidity are welded or glued.
  • the mattress body is symmetrical with respect to the longitudinal plane of symmetry 24.
  • a through hole is formed in the central shoulder support area m-s-t-n, which passes from the long side faces 20 to the long side faces 22.
  • This hole can already be formed when the mattress body 10 is formed, but it can also be subsequently cut into the mattress body 10 continuously from the longitudinal side surfaces 20 to the longitudinal side surfaces 22.
  • a foam filler body 26 is inserted into the hole thus formed, which has a lower elastic pressure rigidity than the other areas of the mattress body 10. The foam filler body 26 can pass from the long side faces 20 to the long side faces 22.
  • the foam filler body 26 extends only over the width of the central shoulder support area m-s-t-n, and that the remaining lengths of the through hole are filled with further foam filler bodies which correspond in their elastic compressive rigidity to the elastic compressive rigidity of the rest of the mattress body 10.
  • a preformed body corresponding to the areas efq and hgr is inserted into a cuboidal foam shape, and optionally a foam filler 26 and then the rest Mattress body foams around these previously manufactured and inserted bodies.
  • seating areas are created in the areas e-f-q and h-g-r. These seating areas center the body of the person lying down, at least in the hip-back support area, on the central area l-m-n-o.
  • the bed user can first sit with his buttocks on one of the seating areas e-f-q and h-g-r, and then take the lying position in the central area k-s-t-p by rotating it.
  • the top surface 12 is designed with an array of truncated pyramid-shaped projections 28, the top surface of which is flush with the remaining top surface 12. Accordingly, furrows 30 are formed between the truncated-pyramid-shaped projections 28, which also provide ventilation under the body of the Enable lying people and protect the lying people, especially a long-term patient, from pressure ulcers.
  • a visitor or a reader can take a seat in the seating areas e-f-q and h-g-r and find a stable seating position there, thanks to the higher elastic pressure rigidity of the foam in these areas.
  • FIG. 2 further shows a multiplicity of holes 32 in the bottom surface 14.
  • These holes originate from rods which are arranged in the foam mold on the bottom thereof in order to enable rapid and uniform supply of heat during the foaming and curing of the foam.
  • these pins can also be used to position these preformed foam bodies when inserting preformed foam bodies for the formation of the seating areas e-f-q and h-g-r.
  • they can also be used to position the foam filler body 26 if it is introduced in the preformed form into the foam form before the rest of the mattress body is formed.
  • FIG. 2 also shows that the mattress is enclosed by a cover 34, which is designed in the area of the top surface 12 as a two-layer quilt cover with cushioning filler material in the individual quilting cells 36 and has a Velcro fastener or zipper 38 in the area of the transverse side surface 16 near the head .
  • This hook-and-loop fastener or zip fastener 38 preferably extends over at least two, preferably over three of the four longitudinal and transverse side surfaces 20, 22, 16, 18, in order to facilitate the insertion of the mattress body 10 into the cover and to adapt the cover to the mattress body as accurately as possible 10 to be able to make.
  • the layers forming the cover 34 quilted on the top surface 12 can be textile webs. However, they can also be impermeable to water in order to protect the mattress and the filling material of the step cells 36 against the penetration of liquid.
  • FIG. 3 shows a neck support pillow 40, which is laid in the area s-v-u-t of FIG. 1 and is optionally centered by means of Velcro fasteners or the like.
  • This neck support pillow 40 is designed by shape or by lower elastic pressure rigidity in the area of the longitudinal plane of symmetry 24 so that it forms an indentation 42 under the pressure of the neck or the head of the person lying down, which serves for convenience on the one hand but also for achieving a centering effect .
  • This centering effect also results in a right angle of the sleeper to the position of the neck support pillow.
  • a defined indentation and the compression hardness of the neck support pillow only relieve the strain on the postural apparatus (ligaments and muscles) in the neck / shoulder area in this right-angled position.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
EP94102497A 1993-02-19 1994-02-18 Matelas conformé anatomiquement Expired - Lifetime EP0614636B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4305177 1993-02-19
DE4305177A DE4305177A1 (de) 1993-02-19 1993-02-19 Anatomisch ausgebildete Liegematratze

Publications (2)

Publication Number Publication Date
EP0614636A1 true EP0614636A1 (fr) 1994-09-14
EP0614636B1 EP0614636B1 (fr) 1999-05-12

Family

ID=6480904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94102497A Expired - Lifetime EP0614636B1 (fr) 1993-02-19 1994-02-18 Matelas conformé anatomiquement

Country Status (3)

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EP (1) EP0614636B1 (fr)
AT (1) ATE179872T1 (fr)
DE (3) DE4305177A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002058513A2 (fr) 2001-01-26 2002-08-01 Das Gesundheitshaus Ges.M.B.H. & Co Kg Matelas presentant plusieurs zones a fermete variable
EP1310197A3 (fr) * 2001-11-08 2004-01-28 ADA Möbelfabrik GmbH Matelas

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29919526U1 (de) 1999-11-08 2000-09-21 Alvi Alfred Viehhofer GmbH & Co. KG, 37671 Höxter Matratze
DE202006011414U1 (de) * 2006-06-20 2007-10-18 Doppler E. Doppler & Co. Gmbh Standschirmbelastungselement

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278955A (en) * 1964-06-11 1966-10-18 Dayco Corp Foam rubber article
CH493241A (de) * 1968-06-20 1970-07-15 Riposa Ag Einteilige Schaumstoffmatratze
AU412227B2 (en) * 1969-02-17 1971-05-06 Pierre Robert Viel Edmond Improvements in or relating to mattresses
US3842453A (en) * 1972-08-15 1974-10-22 N Redfield Posture pillow
WO1987006442A1 (fr) * 1986-05-01 1987-11-05 Comfortex, Inc. Matelas pour la prevention et le traitement de plaies de decubitus
FR2626756A1 (fr) * 1988-02-10 1989-08-11 Pareux Patrick Matelas, ou coussin, profile pour sa mise en oeuvre et procede de fabrication
US4955096A (en) * 1989-06-28 1990-09-11 Bio Clinic Corporation Anatomically contoured convoluted foam pad
DE3937214A1 (de) * 1989-11-08 1991-05-16 Walter Prof Dr Kuehnegger Orthese zur lagerung des liegenden menschlichen koerpers
DE4136369C1 (en) * 1991-11-05 1993-06-03 Msi Medizinischer Bedarf Gmbh, 6000 Frankfurt, De Special foam mattress for pressure discharge - comprises basic layer and upper layer formed from cuboid structures with lowered formations for soft and super soft foam material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1220720B (de) * 1961-12-20 1966-07-07 Continental Gummi Werke Ag Kunstschaumpolsterkoerper mit erhoehter Rand-bzw. Kantensteifigkeit
US4879776A (en) * 1988-04-04 1989-11-14 Farley David L Anatomically conformable foam support pad

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278955A (en) * 1964-06-11 1966-10-18 Dayco Corp Foam rubber article
CH493241A (de) * 1968-06-20 1970-07-15 Riposa Ag Einteilige Schaumstoffmatratze
AU412227B2 (en) * 1969-02-17 1971-05-06 Pierre Robert Viel Edmond Improvements in or relating to mattresses
US3842453A (en) * 1972-08-15 1974-10-22 N Redfield Posture pillow
WO1987006442A1 (fr) * 1986-05-01 1987-11-05 Comfortex, Inc. Matelas pour la prevention et le traitement de plaies de decubitus
FR2626756A1 (fr) * 1988-02-10 1989-08-11 Pareux Patrick Matelas, ou coussin, profile pour sa mise en oeuvre et procede de fabrication
US4955096A (en) * 1989-06-28 1990-09-11 Bio Clinic Corporation Anatomically contoured convoluted foam pad
DE3937214A1 (de) * 1989-11-08 1991-05-16 Walter Prof Dr Kuehnegger Orthese zur lagerung des liegenden menschlichen koerpers
DE4136369C1 (en) * 1991-11-05 1993-06-03 Msi Medizinischer Bedarf Gmbh, 6000 Frankfurt, De Special foam mattress for pressure discharge - comprises basic layer and upper layer formed from cuboid structures with lowered formations for soft and super soft foam material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002058513A2 (fr) 2001-01-26 2002-08-01 Das Gesundheitshaus Ges.M.B.H. & Co Kg Matelas presentant plusieurs zones a fermete variable
AT410054B (de) * 2001-01-26 2003-01-27 Das Gesundheitshaus Ges M B H Variierbare zonen-matratze
EP1310197A3 (fr) * 2001-11-08 2004-01-28 ADA Möbelfabrik GmbH Matelas

Also Published As

Publication number Publication date
EP0614636B1 (fr) 1999-05-12
DE4305177A1 (de) 1994-08-25
DE59408223D1 (de) 1999-06-17
DE9402816U1 (de) 1994-04-14
ATE179872T1 (de) 1999-05-15

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