EP0759718A1 - Matratzenhülle mit druckausgleichssystem - Google Patents
Matratzenhülle mit druckausgleichssystemInfo
- Publication number
- EP0759718A1 EP0759718A1 EP95922488A EP95922488A EP0759718A1 EP 0759718 A1 EP0759718 A1 EP 0759718A1 EP 95922488 A EP95922488 A EP 95922488A EP 95922488 A EP95922488 A EP 95922488A EP 0759718 A1 EP0759718 A1 EP 0759718A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure distribution
- chambers
- support surface
- mattress
- surface according
- 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
Links
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
- A47C27/142—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 support surface with an integrated pressure compensation system according to the preamble of patent claim 1.
- This support surface is used in particular in connection with mattresses and is also described on the basis of such a mattress, but the scope of protection of the invention is not limited to mattresses or reclining furniture. It is of course also possible to use such an envelope e.g. to be used for the backrest and / or seat of seating furniture or as a support or underlay for mattresses and seating furniture, including car seats.
- the invention is therefore based on the object of proposing a pressure distribution system for mattresses of any kind and any conditions so that it can be used universally and can be used independently of the mattress and slatted frame used.
- the invention is characterized by the technical teaching of claim 1.
- the pressure distribution system according to the invention is designed as a pressure distribution cushion which is attached to a shell of a mattress core, to a mattress support or to the mattress core itself.
- the pressure distribution pillow can be attached inside or outside the cover and below or above the mattress core.
- Pressure distribution system can be used with any mattresses and also any cover and consequently this pressure distribution system can either be arranged above on a mattress and is inside or outside of a cover, or also below a mattress can be arranged and then also located inside or outside the mattress cover.
- the pressure distribution system In all cases where the pressure distribution system is to be firmly connected to the sleeve, it can be provided to provide a corresponding pocket in the sleeve in which the pressure distribution system is arranged.
- the pressure distribution cushion consists of individual, air-filled chambers arranged parallel to one another, the longitudinal axis of which chambers are preferably arranged perpendicular to the longitudinal axis of the lying surface.
- this pressure distribution is not inevitable - in another embodiment it can be provided that the longitudinal axis of the chambers is arranged parallel to the longitudinal axis of the lying surface. Both embodiments can also be combined with one another. It is advantageous here to arrange the chambers, which are arranged parallel to the longitudinal axis, on the lateral, outer boundaries of the lying surface or the seating surface in order to give the user lateral support.
- the chambers can be controlled separately from one another and can be acted upon with separate air pressure. However, it can also be applied in groups.
- each chamber be connected to a corresponding conduit, with all conduits in one Pressure distributor converge, in which several shut-off valves are arranged.
- a supply line opens into the pressure distributor and distributes a controlled amount of air into the individual lines.
- individual lines of the individual chambers can be connected to one another or isolated from one another in order to be separately filled with air or vented.
- the longitudinal axis of the chambers of the pressure distribution cushion are arranged perpendicular to the longitudinal axis of the lying surface and cover about 1/3 of the lying surface in the central area.
- Such an arrangement of the pressure distribution cushion on the mattress core is suitable for correcting corresponding mattress problems in the lumbar spine area, in the coccyx area and in the buttock area.
- the entire pressure distribution cushion on the Mattress can be moved up to provide support for parts of the body to be treated accordingly.
- the length of the pressure distribution cushion can also be designed so that both problem areas are covered - without moving the cushion.
- a pocket attached to the cover is used to hold the pressure distribution cushion, it is provided that the entire pocket is detachably connected to the cover and can be fixed at certain points on the cover.
- Pressure distribution pillow can be individually adapted to the body contour that lies on the pressure distribution pillow. In this way, certain sensitive areas can be excluded from the pressure distribution by venting the chamber in this area and therefore relieving the pressure on this area of the body and therefore protecting it against bedsores.
- any constrained body postures can be achieved with the pressure distribution pillow according to the invention by specifically venting individual chambers of the pressure distribution pillow and inflating other chambers, so as to produce a certain desired body contour on the lying surface, which the body lying thereon must then assume.
- the individual chambers are connected to one another on their long sides with so-called perforation strips, with corresponding holes being arranged in the perforation strips through which an air flow through the mattress core upwards through the pressure distribution cushion.
- a further ventilation device is present on the pressure distribution cushion, which essentially consists of film-like ventilation chambers, which are closed on all sides and which have holes, slots or other air outlets evenly distributed on their upper side which controls a flow of air up through the shell.
- the air supply to the individual ventilation chambers can be chosen freely; In the simplest embodiment, all chambers are connected in parallel to one another and are connected to a common air supply. Of course, it is also possible to restrict the air supply to the individual chambers by arranging appropriate throttle valves. Such a completed pressure distribution system with associated ventilation is also suitable for the treatment of very severe skin injuries, as are necessary in intensive care units for the treatment of skin burns.
- the ventilation air is tempered and, if necessary, is additionally mixed with appropriate medication.
- Air, a gas or a suitable liquid is provided as the pressure medium.
- Figure 1 Schematic of a longitudinal section through an arrangement according to the invention
- Figure 2 The cross section along the line II-II in Figure 1;
- Figure 3 Schematic of a pressure distribution pillow according to the invention
- FIG. 4 Schematic of the pressure distribution pillow of Figure 3 with an additional ventilation system
- FIGS. 5-13 different embodiments of the installation of a pressure distribution cushion in a mattress core
- a mattress core 1 of any material and any shape is inserted into a casing 2 known per se.
- This envelope 2 preferably surrounds the mattress core 1 all around; however, this is not mandatory for the present invention.
- the side parts 29 of the cover 2 are designed to be longitudinally elastic in order to enable a corresponding increase in volume of a pressure distribution cushion 3 arranged between the mattress core 1 and cover 2.
- the pressure distribution cushion 3 is emptied and there is only one pocket 4 in which the pressure distribution cushion 3 is arranged.
- the pressure distribution cushion 3 preferably consists of a plurality of chambers 5, 6, 7, 8 arranged in parallel next to one another, it already being pointed out in the general description that the chambers 5, 6, 7, 8 with their longitudinal axes both can be arranged parallel to the longitudinal axis of the mattress core 1 and also perpendicular to the longitudinal axis of the mattress core 1.
- the chambers 5, 6, 7, 8 with their longitudinal axes both can be arranged parallel to the longitudinal axis of the mattress core 1 and also perpendicular to the longitudinal axis of the mattress core 1.
- Chambers 5,6,7,8 arranged perpendicular to the longitudinal axis of the mattress core 1.
- Each chamber 5,6,7,8 consists of a dense material, e.g. B. a textile, a film or the like. And can be filled separately from the other chambers with air, another gas or a liquid.
- Lines 14 to 17 attach to the individual chambers 5 to 8 and open into a common pressure distributor 9.
- a supply line 10 is arranged on the pressure distributor 9.
- Pressure distributor 9 is arranged, when actuating either individual lines 15 to 17 can be opened or closed, or when actuating individual lines 14 to 17 can also be connected to one another. Likewise, the supply line 10 can be switched off by actuating a corresponding valve, so as to enable an internal pressure distribution between the lines 14 to 17.
- the air or the liquid can accordingly flow in the lines 14 to 17 either in the direction of the arrow 12 or in the direction of the arrow 13.
- Chambers 5,6,7,8 are formed by ventilation elements 18, in which a number of openings 19 are arranged. In this way, an air flow through the mattress core 1 upwards in the direction of the body surface lying thereon is generated by corresponding body movement of the body on the mattress core 1.
- FIG. 4 it is provided according to FIG. 4 that an additional ventilation system is provided on the pressure distribution cushion 3 shown in FIG is arranged. For the sake of simplicity, the air supply for the pressure distribution cushion 3 is no longer shown.
- the additional ventilation system consists of individual
- Ventilation chambers 20 to 23 which are arranged on the chambers 5 to 8, or 46-49, and which also allow air to pass through the ventilation elements 18.
- these ventilation chambers 20 to 23 are supplied with a separate air flow via a supply hose 26 which introduces the air flow into the individual ventilation chambers 20 to 23 via parallel lines 27 in the direction of arrow 28. There, the air flows upwards through corresponding openings 24 in the direction of arrow 25 and thus covers the body surface lying thereon.
- the pressure distribution cushion 3 can thus be raised or lowered in any directions and planes in the direction of the arrows 30, 31, and the side parts 29 of the cover are also stretched or contracted accordingly. It is of course also possible not to cover all the chambers 5, 6, 7, 8 or 46-49 of the pressure distribution cushion 3 with corresponding ventilation chambers, but it is also possible that only some of the chambers of the pressure distribution cushion 3 are provided with the additional ventilation chambers .
- Figures 5-13 show in principle different variants of the installation of a pressure distribution pillow in a mattress core.
- FIG. 5 shows that the pressure distribution cushion 3 can be stretched around a mattress core 1 with the aid of tensioning straps 32 and rests on the mattress core.
- the pressure distribution cushion 3 can be additionally covered from above by bed sheets, by a mattress pad or by any other support elements.
- Figure 6 shows that the pressure distribution cushion 3 can also be arranged below a mattress core 1 and z. B. rests on a mattress support 38 (see FIG. 10). However, the pressure distribution cushion 3 according to FIG. 6 is fastened to the mattress core with the aid of tensioning straps 32.
- FIG. 6 shows that the arrangement according to FIG. 6 can also be placed directly on a floor or on another mattress support surface.
- FIG. 7 shows that the pressure distribution cushion 3 can be sewn into a tension sheet 33, a pocket 34 in which the pressure distribution cushion 3 is arranged can additionally be attached in the tension sheet 33.
- the pressure distribution cushion 3 can be sewn firmly into the pocket 34, but it can also be inserted loosely into the pocket 34.
- FIG. 8 shows that the pressure distribution cushion 3 is integrated in a mattress pad 35, which can be composed of the most varied, preferably biological, materials.
- the mattress topper 35 is then preferably fastened to the mattress core 1 with tensioning straps 32.
- the mattress topper 35 can also be attached to the mattress joint with the aid of Velcro strips 36.
- Figure 9 shows the attachment of a
- Pressure distribution cushion 3 with the aid of Velcro strips 36 and further strips 37.
- FIG. 10 shows that instead of attaching the pressure distribution cushion 3 to a mattress core 1, it can also be attached to a mattress support 38 instead.
- the mattress support is e.g. B. a slatted frame, a wire mesh, a floor pad, a chipboard or the like.
- the pressure distribution cushion 3 is fastened to the mattress support 38 with the aid of straps 39 which are designed as Velcro straps or as elastic straps or a combination with one another.
- FIG. 11 shows that in an arrangement according to FIG. 10, this arrangement, ie. H. So on the pressure distribution cushion 3, the mattress core 1 can be placed.
- FIG. 12 shows that one or more recesses 40, into which the pressure distribution cushion 3 is integrated, can also be formed in the mattress core 1.
- Such recesses 40 can also be cast in; during the foam expansion of the mattress core, the pressure distribution cushion 3 could be placed in the foam mold in order to be foamed with the mattress. Of course, it is also possible to glue such a pressure distribution cushion 3 in such a recess 40 or to anchor it with other fastening means.
- FIG. 13 shows as a further exemplary embodiment that such a pressure distribution cushion can not only be integrated on corresponding foam mattresses or in foam mattresses, but also corresponding spring mattresses can be integrated. There is the possibility of anchoring in pocket spring mattresses, but also in conventional wire spring mattresses that have no pocket springs.
- Exemplary embodiments are shown schematically side by side.
- the pressure distribution cushion 3 is fastened to the underside of pocket springs 42 with the aid of bands 37, which in turn form a mattress core 41.
- the mattress joint 41 can also consist of conventional wire spring cores.
- a slatted frame 43 or another mattress support 38 can be integrated in the mattress itself, so that the pressure distribution cushion can be attached to the slatted frame 43 or the mattress support 38 within this integration system by means of loop bands 44 or other fastening means.
- the pressure distribution cushion 3 can also be attached above this mattress support integrated in the mattress.
- further mattress inserts 45 can also be integrated in the mattress, which, for. B. consist of a different type of material or a material with a different elasticity, the pressure distribution cushion above or below this mattress insert 45 can be attached to this or can only be placed on.
- FIGS. 14 and 15 show a further embodiment of a pressure distribution cushion 3, it being shown that, in comparison to FIGS. 3 and 4, a pressure distribution cushion 3 can be combined with a ventilation system, further improved functions being achieved.
- the pressure distribution cushion 3 consists of four different chambers, namely longitudinal chamber parts 46, 47 and transverse parts 48, 49 running transversely thereto, the parts mentioned being hermetically sealed from one another by separating webs 50-52. I.e. the air in the respective chamber part 46-49 cannot escape into the other chamber part, because corresponding sealing separating webs 50-52 are arranged between the chamber parts 46-49.
- the invention is not limited to the arrangement of four different chamber parts 46-49, more or fewer chamber parts can also be provided; it can e.g. B. also one or more cross members 48, 49 are omitted.
- the separating webs 50-52 are not hermetically sealed between the chamber parts 46-49, but that they have defined leakage recesses in order to enable a defined, controlled air transfer from one chamber part to another.
- the longitudinally extending chamber part 46 has two ventilation elements 53, while only one ventilation element 54-56 is arranged in the other chamber parts 45-49.
- Each ventilation element is designed in the form of an open, approximately rectangular opening through the respective air chamber, the side walls of the respective ventilation element 53-56 being hermetically sealed, so that no air from the air chambers (chamber part 46-49) in via the ventilation elements 53-56 the ventilation element 53-56 can escape.
- superior lying comfort is achieved because, with the air being distributed in the individual chamber parts 46-49, an optimal adaptation to the body lying on it takes place, with an additional ventilation effect of the body surface lying on it being guaranteed.
- Each vent member 53-56 has a series of vent holes 57, which are shown in FIG.
- Embodiment lie one behind the other in the axial direction. However, this is not absolutely necessary; these bores 57 can also be distributed arbitrarily over the surface of the respective ventilation element 53.
- Each vent hole 57 creates an opening from the top of the pressure distribution pad through the vent member to the bottom of the air distribution pad.
- Example of the transverse part 48 is shown on the left in FIG. 14, then the ventilation element 55 is deformed back into its original position (see FIG. 15, left) and air is drawn in from the bottom in the direction of arrow 60 and in the open Cross-section of the ventilation element 55 initiated, whereby a fresh air flow is directed onto the lying surface.
- FIG. 14 also shows the air supply of compressed air into the individual chamber parts 46-49.
- corresponding filling openings 58 are provided on each chamber part, only the air supply to the chamber parts 46, 47 being shown schematically in FIG.
- Air is conducted into the respective chamber part 46, 47 via an air-carrying line 63, which is connected to the respective filling opening 58, depending on the passage state of a valve 61, which valve can be actuated by a wire release 62.
- the line 63 is here at an air source, for. B. a compressed air supply to a hospital, a manually operated air pump, an electrically operated air pump or the like. More.
- the combination with the ventilation system is not absolutely necessary, but it is also possible to provide a pressure distribution cushion 3 with a structure corresponding to FIGS. 14, 15 with the individual chamber parts 46-49 without ventilation with the ventilation elements 53, 56.
- the present invention claims protection for a mattress cover with a pressure compensation system for both reclining furniture and seating furniture, the said mattress cover not only being present in the seat but also in the back surface of one Seating.
- ventilation element e.g. pocket spring
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)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4418463 | 1994-05-27 | ||
DE4418463A DE4418463A1 (de) | 1994-05-27 | 1994-05-27 | Matratzenhülle mit Druckausgleichssystem |
PCT/EP1995/002024 WO1995032649A1 (de) | 1994-05-27 | 1995-05-26 | Matratzenhülle mit druckausgleichssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0759718A1 true EP0759718A1 (de) | 1997-03-05 |
EP0759718B1 EP0759718B1 (de) | 1999-07-21 |
Family
ID=6519063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95922488A Expired - Lifetime EP0759718B1 (de) | 1994-05-27 | 1995-05-26 | Matratzenhülle mit druckausgleichssystem |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0759718B1 (de) |
AT (1) | ATE182254T1 (de) |
AU (1) | AU2736695A (de) |
DE (2) | DE4418463A1 (de) |
ES (1) | ES2137521T3 (de) |
WO (1) | WO1995032649A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1012393A3 (nl) | 1999-01-20 | 2000-10-03 | Recticel | Matras met luchtkussen. |
Family Cites Families (4)
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 |
DE3443935A1 (de) * | 1984-12-01 | 1986-06-05 | Rheinische Braunkohlenwerke AG, 5000 Köln | Arbeitsstuhl fuer koerperbehinderte |
US4965901A (en) * | 1989-08-21 | 1990-10-30 | Gaudry Normand | Futon with inflatable core |
-
1994
- 1994-05-27 DE DE4418463A patent/DE4418463A1/de not_active Withdrawn
-
1995
- 1995-05-26 ES ES95922488T patent/ES2137521T3/es not_active Expired - Lifetime
- 1995-05-26 AU AU27366/95A patent/AU2736695A/en not_active Abandoned
- 1995-05-26 EP EP95922488A patent/EP0759718B1/de not_active Expired - Lifetime
- 1995-05-26 WO PCT/EP1995/002024 patent/WO1995032649A1/de active IP Right Grant
- 1995-05-26 DE DE59506421T patent/DE59506421D1/de not_active Expired - Fee Related
- 1995-05-26 AT AT95922488T patent/ATE182254T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9532649A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2137521T3 (es) | 1999-12-16 |
EP0759718B1 (de) | 1999-07-21 |
ATE182254T1 (de) | 1999-08-15 |
AU2736695A (en) | 1995-12-21 |
WO1995032649A1 (de) | 1995-12-07 |
DE4418463A1 (de) | 1995-11-30 |
DE59506421D1 (de) | 1999-08-26 |
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