EP1648269A1 - Matelas permeable a l'air, a haut niveau de confort de couchage - Google Patents

Matelas permeable a l'air, a haut niveau de confort de couchage

Info

Publication number
EP1648269A1
EP1648269A1 EP04737385A EP04737385A EP1648269A1 EP 1648269 A1 EP1648269 A1 EP 1648269A1 EP 04737385 A EP04737385 A EP 04737385A EP 04737385 A EP04737385 A EP 04737385A EP 1648269 A1 EP1648269 A1 EP 1648269A1
Authority
EP
European Patent Office
Prior art keywords
pressure
mattress
air
mattress according
openings
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
EP04737385A
Other languages
German (de)
English (en)
Other versions
EP1648269B1 (fr
Inventor
Meinhard Schwaiger
Ariane Obertautsch
Andrea Schwaiger
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.)
AMX Automation Technologies GmbH
Original Assignee
AMX Automation Technologies GmbH
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 AMX Automation Technologies GmbH filed Critical AMX Automation Technologies GmbH
Publication of EP1648269A1 publication Critical patent/EP1648269A1/fr
Application granted granted Critical
Publication of EP1648269B1 publication Critical patent/EP1648269B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
    • A47C21/046—Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors
    • 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
    • A47C27/082—Fluid mattresses or cushions of pneumatic type with non-manual inflation, e.g. with electric pumps
    • 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
    • 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 an air-permeable mattress with high lying comfort and low weight, with at least one air-filled pressure cushion, preferably used as a sleeping mattress, the basic structure of which allows particularly good air circulation and thus the removal of moisture from the person lying thereon, which offers particularly high lying comfort, the latter Pressure hardness is matched to the body zones and can be individually adapted to the needs of the person lying on it, even if the needs are subject to individual fluctuations or changes, such as in the case of prolonged bed rest after illness or accident, which is also light in weight and which is completely free of metallic components.
  • a measure to increase lying comfort and to take different hardness zones into account was attempted with a system of coil springs made of glass fiber material, which were inserted in tubular recesses, aligned transversely to the body axis, and approximately in the middle of the mattress thickness. are arranged and take up almost the entire width of the mattress.
  • the mattress base material is made of foam and the diameter of the tubular recesses is approximately 1/3 to 1/2 of the mattress thickness.
  • a serious disadvantage of this variant known as the "Aurora system” is the fact that due to the closed foam core structure, which does not allow sufficient air circulation in the thickness direction of the mattress, the removal of moisture from the patient is insufficient. Furthermore, the suspension comfort can no longer be changed in this embodiment variant.
  • a disadvantage of all these systems is the basic mattress structure, which is characterized in that these air chambers take up almost the entire lying area in total, and therefore air circulation and the removal of the body's moisture from the person lying down are not possible through the mattress.
  • Another disadvantage relates to the use of metallic components, electronics, electrically operated air pumps and display devices.
  • Another known variant of a mattress with air chambers consists of a single air chamber, the filling of which is achieved with a special manually operated air pump, which is integrated into the mattress border, and is actuated under load due to a shift in body weight.
  • the air pressure built up in the air chamber can be changed using a continuously adjustable valve.
  • This embodiment variant does not require any electronic components or metallic components, but has the known disadvantage of prevented air circulation and thus prevented removal of body moisture given off.
  • US Pat. No. 6,487,739 B1 shows, for example, a multilayer mattress which, for example according to FIG. 1, has an air cushion layer with a large number of so-called "air cells".
  • the air circulation in this mattress is generated with a special air pump and takes place via free spaces between the load-bearing air chambers, although there is no ventilation from the top to the bottom of the mattress, as these would be interrupted by the layers underneath the version according to US 6,487,739 B1.
  • the mattress has no foam core.
  • CH 687 806 A5 it is known to design a multiplicity of individual chambers as carrier cells in a mattress which have at least one compensation chamber on the bottom side.
  • the carrier cells can be filled with a gaseous medium and communicate with the compensation chamber via passage openings (see Fig. 3 of CH 687.806 A5).
  • the mattress has neither a foam core nor the required ventilation, which is directed from the top to the bottom of the mattress. This means that there is no way to remove moisture released by the body in a direction normal to the mattress surface.
  • a mattress is known from US Pat. No. 5,907,878 A, which consists of a large number of air spring elements which are connected by means of an airtight carrier layer.
  • the airtight backing layers prevent air permeability across the mattress.
  • a foam core is missing, which should have a carrying and support function.
  • the object of the present invention is to provide a mattress that allows a maximum of lying comfort, a pressure hardness tailored to the body zones, the pressure hardness of which can be individually adapted to the needs of the person lying on it, even if the needs are individual fluctuations or Changes such as in the case of prolonged bed rest after illness or accident, a particularly high degree of air circulation and thus the ability to separate body moisture away from the patient through the thickness of the mattress, which is also light in weight and completely free of metallic and electronic components.
  • the mattress consists of a combination of foam core and air-filled or air-filled pressure pad, which are either arranged in openings of the foam core or envelop them, and that through-openings in the foam core and / or in the to remove moisture Pressure pads are provided.
  • the mattress according to the invention thus consists of a foam core which is provided with a multiplicity of bores which penetrate the thickness of the mattress, these bores being filled with air chambers or pressure cushions which in turn can be designed as hollow bodies and are connected to one another in this way by means of cross-connections that air can be exchanged freely in this system by air chambers.
  • These air chambers are connected to one another in zones (preferably three to seven zones), so that different pressures adapted to the body zones can be built up.
  • a special air valve is provided for each of the zones, which can be used to individually limit the pressure in the air chambers.
  • a special device is integrated, which is designed as an air pump, with the help of which pressure losses due to escaping air can be compensated and a pressure increase in the system can be carried out.
  • a pressure relief valve prevents the air chambers from bursting if the system is inadvertently overloaded.
  • the entire surface of the basic foam body including the surface of the through openings, is covered with a layer of air-impermeable material.
  • a particularly large air chamber is formed, which is filled with foam material.
  • the air chamber and the foam material are compressed under load, the volume in the air chamber is reduced and a higher pressure level is built up. After relieving the pressure, the foam material returns to its original shape, increasing the volume in the air chamber and reducing the increased pressure.
  • Escaped air can be automatically refilled (sucked in) by means of a special valve, designed as a check valve, when the air chamber takes up the maximum volume again and a negative pressure is generated inside due to a previous air loss and ambient air at a higher pressure level through the valve into the The interior flows until an approximately pressure equilibrium occurs.
  • the top of the mattress is provided with a layer of a particularly good moisture-transporting and antibacterial material, the underside of the mattress consists of a particularly air-permeable layer. Lateral elements made of a foam material with higher pressure hardness are provided on the side so that people can better support themselves laterally if necessary.
  • Another advantage is due to the continuous cross holes in the reduction of the material content and associated with a reduction in weight.
  • the system pressure in the pressure pad 5 can be between 0.1 bar and 0.6 bar, preferably between 0.15 bar and 0.30 bar.
  • FIG. 1 shows an embodiment variant according to the invention of a mattress with a foam core 1, side parts 2a, 2b and tubular air chambers 5 including through openings 6, the upper support layer 3 being removed for better illustration
  • FIG. 2 shows a sectional illustration of the mattress according to the embodiment variant according to FIG. 1 along the section line II and Fig. 3 is an oblique view in an exploded view.
  • FIG. 4 shows an embodiment variant of a pressure cushion or an air chamber 5, designed as a tubular hollow body in an oblique view.
  • FIG 5 shows an embodiment variant of a pressure cushion or an air chamber 5, designed as a solid cylinder in an oblique view.
  • air circulation is only possible through additional openings outside the pressure cushion or the air chamber 5.
  • FIG. 6 shows a further embodiment variant of a pressure cushion or an air chamber 5 with an opening 6 for air circulation, constructed from a plurality of superposed, interconnected segments, preferably toroidal hollow bodies, which have internal connection openings for pressure equalization, in view
  • FIG. 6a shows the same variant in Section along the section line II according to FIGS. 6 and 6b shows a detail X of the pressure body according to FIG. 6a.
  • FIG. 7 shows pressure cushions or air chambers 5 according to FIG. 4 with connecting elements in series, preferably designed as tubular connections 7 between the individual pressure cushions or air chambers 5, which are combined to form a zone and have a uniform pressure level, in an oblique view.
  • FIG. 8 shows pressure cushions or air chambers 5 according to FIG. 4 with crosswise arranged connecting elements 7, 8, preferably designed as tube-like connections between the individual pressure cushions or air chambers, which are combined to form a zone and have a uniform pressure level, in an oblique view.
  • FIG. 9 shows pressure cushions or air chambers 5 according to FIG. 5 with connecting elements in series, preferably in the form of tubular connections 7 between the individual pressure cushions or air chambers, which are combined to form a zone and have a uniform pressure level, in an oblique view.
  • FIG. 10 shows an embodiment variant of a mattress core 1 with through openings for receiving the pressure cushions or air chambers 5 and additional through openings 6 for sufficient air circulation in a top view.
  • Fig. 11 shows a preferred embodiment of a mattress core 1, made up of two layers of foam 1 ', 1 "with different degrees of hardness, with through openings for receiving pressure pads or air chambers 5, in plan view and Fig. 11a shows a sectional view of the mattress core along the section line II-II according to FIG. 11.
  • Fig. 12 shows an embodiment variant of a mattress according to the invention, aimed at optimal lying comfort, in an oblique view.
  • This variant is equipped with additional devices that allow individual comfort regulation.
  • pressure regulating devices are provided which enable individual pressure levels in the pressure cushions or air chambers combined to form a zone.
  • FIG. 13 shows a particularly preferred embodiment variant of a mattress according to the invention and FIG.
  • FIG. 13a shows a section along the section line IV-IV according to FIG. 13.
  • the entire mattress surface including the surface of the through openings, is covered with an air-impermeable layer 10.
  • a favorable influence on the suspension behavior is given by additional cylindrical insert bodies 11, which consist of particularly large-pore foam material and largely fill the through openings 6, and are shown in FIG. 13b.
  • a sectional view along the section line VV of this embodiment variant is shown in FIG. 13c.
  • the pressure cushions or air chambers 5 consist of solid cylinders which are arranged transversely to the longitudinal axis of the mattress in openings ld in the mattress core 1, lying in parallel.
  • 15 shows the preferred embodiment variant of a double mattress in an oblique view.
  • the mattresses are made of a core 1 made of foam material from the side parts 2a, 2b made of foam material with higher pressure hardness, an upper support layer 3 made of particularly air-permeable and hydrophobic material, preferably with antibacterial properties, and a lower support layer 4 made of air-permeable material.
  • a plurality of openings 6, which penetrate the height of the core 1 of the mattress a high air circulation is made possible, with which a separate body moisture is transported through the mattress.
  • the preferred transport direction 6a of body moisture is directed downwards away from the body and through the mattress.
  • the pressure resistance that the mattress exerts on the person lying on it is influenced by suitable measures to increase lying comfort.
  • the entire mattress is provided with a cover, not shown here, made of preferably antibacterial textile material which, among other things, gives the mattress the necessary cohesion.
  • tubular pressure cushions / air chambers 5 are provided in order to achieve a high level of lying comfort, which are inserted into through-openings ld in the mattress core 1 and have a free through-opening 6 so that there is sufficient air circulation. lation and thus a removal of separate body moisture of the person lying down can take place.
  • the height of the pressure pad / air chamber corresponds to the height of the mattress core, preferably in a range from 100 mm to 250 mm
  • the outside diameter of the pressure pad / air chambers corresponds to the diameter of the openings id, preferably in a range from 30 mm to 100 mm.
  • zone A which corresponds to the head, neck and shoulder area
  • zone B which corresponds to the heavier trunk area
  • zone C this corresponds to this Thigh and foot area
  • zone AI this corresponds to the head and neck area
  • zone Cl this corresponds to the shoulder area
  • Zone B this corresponds to the trunk area
  • Zone C2 this corresponds to the leg area
  • Zone A2 this corresponds to the foot area, to assign a medium pressure hardness.
  • Different pressure hardnesses / pressure resistances can be achieved in different ways. With approximately the same pressure conditions in the pressure cushions / air chambers 5, different distances between the pressure chambers / air cushions cause a different pressure resistance on those lying on them. A comparable result can also be achieved if 5 different zones are assigned to the pressure cushions / air chambers. Another possibility is to combine the first two variants.
  • Air circulation is possible through a tubular pressure pad 5 according to FIGS. 4 and 6 to 6b.
  • the pressure pad 5 is made of air-impermeable film material and consists of an outer cylinder and an inner cylinder 6 and an upper and lower end element. In this way, after air is filled into the chamber at a pressure level above atmospheric pressure, a "tubular" pressure pad is formed. Air circulation 6a is possible through the inner opening 6 unhindered.
  • the height of the pressure pad corresponds to the height of the mattress core 1 and the outer diameter corresponds to the diameter of the openings ld in the mattress core.
  • the pressure pad 5 is constructed from several, preferably from 2 to 6, individual chambers 5a, which are arranged one above the other and connected in such a way that a pressure-tight pressure pad is formed overall with internal openings 5b, which allow air transport 5c from one single chamber to another and thus enable pressure equalization in the pressure cushion 5.
  • the outside diameter D corresponds to the diameter of the openings 1d in the mattress core 1.
  • the inner opening 6 is provided for the air circulation 6a.
  • a pressure cushion according to FIG. 5 additional openings 6 according to FIG. 10 are required for the air circulation 6a in the mattress core.
  • the pressure pads 5 are designed as full cylinders. Diameter and height correspond to the design variants according to FIGS. 4 and 6.
  • pressure cushions 5 are combined into one zone (e.g. A), the mattress lying surface being able to be subdivided into a single zone or a plurality of zones according to FIG. 3, preferably into three to five zones.
  • the pressure cushions / air chambers have a uniform pressure level within a zone. This is achieved in that the individual pressure cushions / air chambers 5 according to FIGS. 7, 8 or 9 are connected to one another linearly or crosswise by means of special connecting elements 7, 8 in such a way that air transport from one pressure cushion / air chamber 5 to the next is possible without hindrance and so that pressure equalization is achieved within the pressure cushions / air chambers 5 combined into a zone A, B, C.
  • These connecting elements 7, 8 are preferably arranged on the underside of the mattress, that is to say on the side facing away from the lying surface 3.
  • the foam core 1 of the mattress is made up of several parts, preferably two parts. 11 and 11a, the mattress core consists of two layers of foam material 1 ', 1 "with different hardness, the lower layer 1" preferably consisting of a foam material of higher hardness. This allows the suspension properties and lying comfort to be further positively influenced.
  • the mattress structure consists of the mattress core 1 made of foam material, which is provided with a multiplicity of openings 6 for the air circulation 6a, and an airtight cover 10 made of, for example, film material, the entire surface, including the wall the openings 6 are covered airtight with this coating.
  • the mattress core has two tasks to do here: on the one hand to support the overall pressure resistance of the mattress and on the other hand to support the deformation of the mattress to compensate after a pressure load and at the same time to bring the airtight coating 10 back into its original shape and thereby increase the volume.
  • the lying surface To increase lying comfort, it is provided to divide the lying surface into several zones, preferably into three zones, which can be assigned to the body areas, and to set different pressure resistances.
  • special, metal-free pressure control valves are provided, which can be regulated continuously, and which are arranged on the side or at the foot end of the mattress.
  • This pressure control valve is used to preset a system pressure that corresponds to the maximum pressure resistance under load.
  • 12 shows a mattress with a division into three zones A, B, C.
  • a pressure control valve is assigned to each of the three zones. 12a shows an embodiment variant with five zones AI, Cl, B, C2, A2 and three pressure regulating devices. Leakage losses are compensated for by an integrated air pump 12.
  • This air pump is preferably integrated into the base of the mattress and presses against e.g. a shift in weight of the patient compressed air volume from the pump body by means of air lines 15 via the pressure control valve 14a, 14b, 14c in the control unit 13 into the pressure cushion or air chambers 5 up to the preset maximum pressure.
  • a pressure relief valve prevents bursting, e.g. B. due to overload, the pressure cushion / air chambers 5.
  • FIG. 14 shows a further embodiment variant of a mattress with particularly high demands on lying comfort, with good ventilation at the same time.
  • a plurality of pressure cushions / air chambers 5 are arranged transversely to the longitudinal axis of the mattress, parallel to the lying surface in openings 1d in the mattress core 1 and are designed as full cylinders.
  • transverse pressure cushions / air chambers 5 can be subjected to different pressures and divided into several zones. Depending on the subdivision, three, six or seven zones can advantageously be distinguished. It has proven particularly favorable to have a middle zone D with higher pressure resistance than lumbar support, two particularly soft zones Cl and C2 for the shoulder and knee area, two medium-hard zones B1 and B2 for the trunk and pelvic area and two further zones AI and A2 for the head and foot area.
  • the individual pressures can be individually adjusted by the person lying down using simple, preferably metal-free control valves. Leakage losses and pressure increases can be compensated for by means of a pressure accumulator, which is automatically replenished with every major weight shift.
  • the registration essentially includes the following main and sub-variants:
  • tubular air cushions 5 with a large number of tubular air cushions 5 in a foam core 1, the through openings 6 being formed in the tubular air cushions 5 (see for example FIG. 3).
  • the tubular air cushions are constructed from toroidal individual rings (see, for example, FIG. 6a).

Landscapes

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

Abstract

L'invention concerne un matelas, s'utilisant de préférence comme matelas de couchage, qui comprend un noyau (1) en mousse alvéolaire, des coussins d'appui (5) remplis d'air, une surface d'appui supérieure (3) et une surface d'appui inférieure (4), consistant en un matériau particulièrement perméable à l'air. Ledit matelas comprend une pluralité d'ouvertures de passage (6, 6a) lui conférant une perméabilité à l'air optimale et par conséquent la capacité d'évacuer à travers le matelas, l'humidité de l'air dégagé(e) du corps. Ledit matelas offre en outre un confort de couchage particulièrement important. Sa fermeté est adaptée aux zones corporelles et peut être ajustée individuellement aux besoins de la personne allongée dessus, y compris lorsque les besoins sont soumis à des fluctuations ou à des modifications individuelles. Ledit matelas est de poids réduit et exempt d'éléments métalliques ou électroniques. Un système intégré comprenant des soupapes de régulation de la pression et une pompe à air permet de compenser des pertes par fuites et d'augmenter la résistance à la pression. Les coussins de pression peuvent se présenter sous forme de cylindres creux, de cylindres pleins ou de segments de type toroïdal, superposés, en plusieurs parties. Dans un mode de réalisation particulier, les coussins de pression consistent en un revêtement imperméable à l'air (5a) du noyau de matelas (1).
EP04737385A 2003-07-25 2004-07-14 Matelas permeable a l'air, a haut niveau de confort de couchage Active EP1648269B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0118403A AT413014B (de) 2003-07-25 2003-07-25 Schlafmatratze
PCT/AT2004/000255 WO2005009176A1 (fr) 2003-07-25 2004-07-14 Matelas permeable a l'air, a haut niveau de confort de couchage

Publications (2)

Publication Number Publication Date
EP1648269A1 true EP1648269A1 (fr) 2006-04-26
EP1648269B1 EP1648269B1 (fr) 2010-11-17

Family

ID=34085016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04737385A Active EP1648269B1 (fr) 2003-07-25 2004-07-14 Matelas permeable a l'air, a haut niveau de confort de couchage

Country Status (5)

Country Link
US (1) US20070107133A1 (fr)
EP (1) EP1648269B1 (fr)
AT (2) AT413014B (fr)
DE (1) DE502004011906D1 (fr)
WO (1) WO2005009176A1 (fr)

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EP3628232A1 (fr) * 2018-09-28 2020-04-01 Siemens Healthcare GmbH Matelas médical et procédé de surveillance en temps réel

Also Published As

Publication number Publication date
ATE488159T1 (de) 2010-12-15
WO2005009176A1 (fr) 2005-02-03
EP1648269B1 (fr) 2010-11-17
US20070107133A1 (en) 2007-05-17
AT413014B (de) 2005-10-15
ATA11842003A (de) 2005-03-15
DE502004011906D1 (de) 2010-12-30

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