EP3530250B1 - Matratze mit einstellbarer breite - Google Patents

Matratze mit einstellbarer breite Download PDF

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Publication number
EP3530250B1
EP3530250B1 EP18210777.1A EP18210777A EP3530250B1 EP 3530250 B1 EP3530250 B1 EP 3530250B1 EP 18210777 A EP18210777 A EP 18210777A EP 3530250 B1 EP3530250 B1 EP 3530250B1
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EP
European Patent Office
Prior art keywords
air
expansion portion
mattress
cells
adjustable
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.)
Active
Application number
EP18210777.1A
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English (en)
French (fr)
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EP3530250A1 (de
Inventor
Brian Guthrie
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Joerns Healthcare LLC
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Joerns Healthcare LLC
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Publication of EP3530250A1 publication Critical patent/EP3530250A1/de
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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
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/088—Fluid mattresses or cushions incorporating elastic bodies, e.g. foam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/0507—Side-rails
    • A61G7/0512—Side-rails characterised by customised length
    • A61G7/0515—Side-rails characterised by customised length covering the full bed length, e.g. from head board to foot board
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05769—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers
    • A61G7/05776—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers with at least two groups of alternately inflated chambers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/10—Type of patient
    • A61G2200/16—Type of patient bariatric, e.g. heavy or obese
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104—Devices carried or supported by
    • A61G7/1044—Stationary fixed means, e.g. fixed to a surface or bed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1055—Suspended platforms, frames or sheets for patient in lying position

Definitions

  • This invention relates in general to a mattress with an adjustable, variable width. More particularly, this invention relates to a mattress that provides a support surface suitable for use by an occupant wherein the width of the support surface may be changed.
  • Mattresses are used to provide a cushioned support for an occupant of a bed.
  • Beds are typically provided in one of several standard widths to accommodate different sizes and different numbers of occupants. Beds are commonly used in the healthcare industry to support patients.
  • Healthcare beds are typically provided in one of different standard widths. A standard width bed is used for most applications while a bariatric bed may be used for obese patients requiring a larger support surface. Beds of different sizes require corresponding mattresses of different sizes. It would be advantageous to have a single mattress that could be used on different size beds.
  • US2008/178392 discloses an adjustable width mattress comprising first and second pneumatically-separated center air cells connected to first and second expansion portions.
  • the adjustable-width mattress includes a support surface that has a length dimension and a width dimension perpendicular to the length dimension.
  • the width dimension of the support surface may be varied.
  • This invention also relates to an adjustable- width mattress with a support surface having a length dimension and a width dimension perpendicular to the length dimension.
  • the adjustable-width mattress includes a central portion that provides a portion of the support surface.
  • the adjustable- width mattress includes an expansion portion that provides a portion of the support surface. An inward force applied to the expansion portion of the support surface in a direction parallel to the width dimension causes the expansion portion to collapse so that the width dimension of the support surface is decreased.
  • the adjustable- width mattress includes a first central portion that provides a portion of the support surface.
  • the first central portion comprises an air cell containing a foam inflation structure.
  • the adjustable-width mattress includes a second central portion that provides a portion of the support surface.
  • the second central portion comprises an air cell containing a second foam inflation structure.
  • the adjustable- width mattress includes first expansion portion that provides a portion of the support surface.
  • the first expansion portion comprises an air cell containing a first expansion foam inflation structure.
  • the adjustable-width mattress includes a second expansion portion that provides a portion of the support surface.
  • the second expansion portion comprises an air cell containing a second expansion foam inflation structure.
  • the first central portion is located between the second expansion portion and the second central portion, and is in fluid communication with the first expansion portion.
  • the second central portion is located between the first expansion portion and the first central portion, and is in fluid communication with the second expansion portion.
  • FIG. 1 a perspective view of a first embodiment of an adjustable width mattress, indicated generally at 10.
  • the adjustable width mattress 10 has a length dimension 12 along a longitudinal axis 14.
  • the adjustable width mattress 10 has a width dimension 16 that is perpendicular to the longitudinal axis 14.
  • the length dimension 12 is greater than the width dimension 16.
  • the length dimension 12 and the width dimension 16 define the size of a support surface 18 of the adjustable width mattress 10.
  • the adjustable width mattress 10 includes a central portion 20.
  • the central portion 20 provides at least a portion of the support surface 18.
  • the adjustable width mattress 10 also includes a first expansion portion 22 and a second expansion portion 24.
  • the first expansion portion 22 and the second expansion portion 24 each provide a portion of the support surface 18.
  • the first expansion portion 22 and the second expansion portion 24 allow the width dimension 16 of the support surface 18 to be varied, as will be described in detail below.
  • the first expansion portion 22 and the second expansion portion 24 are located on opposed sides of the central portion 20, but this is not necessary, and the adjustable width mattress may have fewer or more expansion portions that the two illustrated, if desired.
  • the central portion 20 includes a central relatively air-impermeable envelope 26 that defines a central space 28.
  • a central foam support 30 is located in the central space 28.
  • the central foam support 30 is a self-inflating structure that expands when not loaded to return the central portion 20 to an unloaded state, illustrated in Fig. 2 .
  • the central portion 20 may include air cells, springs, or other desired support mechanisms suitable to support an occupant.
  • the first expansion portion 22 includes a first relatively air-impermeable envelope 32 that defines a first expansion space 34.
  • the first expansion space includes a first expansion foam 36.
  • the first expansion foam 36 is a self-inflating structure that expands when not loaded to return the first expansion portion 22 to an unloaded state, illustrated in Fig. 2 .
  • the second expansion portion 24 includes a second relatively air-impermeable envelope 38 that defines a second expansion space 40.
  • the second expansion space 40 includes a second expansion foam 42.
  • the second expansion foam 42 is a self-inflating structure that expands when not loaded to return the second expansion portion 24 to an unloaded state, illustrated in Fig. 2 .
  • the adjustable width mattress 10 may be placed on a bed surface 44 for use.
  • the bed includes side rails 46 and 48 that are attached to outer ends of the bed surface 44 and extend perpendicular to the bed surface 44.
  • the illustrated bed surface 44 is capable of being adjusted in the width dimension 16 to provide the bed surface 44 with different widths.
  • the side rails 46 and 48 are moved in an outward direction 50 or an inward direction 52.
  • the illustrated bed surface 44 is configured so that the side rails 46 and 48 move simultaneously in either the outward direction 50 or the inward direction 52.
  • the side rails 46 and 48 are moved in the inward direction 52, the movement is resisted by the adjustable width mattress 10 and the side rails 46 and 48 apply a compressive force on the adjustable width mattress 10.
  • the central portion 20 is more resistant to being compressed than the first expansion portion 22 and the second expansion portion 24. Therefore, the first expansion portion 22 and the second expansion portion 24 collapse, eventually reaching the disposition shown in Fig. 3 .
  • the central portion 20 is more resistant to being compressed due to having a higher air to foam ratio within the central space 28.
  • the central portion 20 may be made more resistant to being compressed by other desired means, such as by making the central foam support 30 from a more rigid foam than the first expansion foam 36 and the second expansion foam 42, or by providing structural reinforcement to the central portion 20 that resists force in the inward direction 52.
  • Fig. 3 is a schematic, cross-sectional view of the adjustable width mattress 10 taken along the line 3-3 of Fig. 1 , illustrating the adjustable width mattress 10 when the first expansion portion 22 and the second expansion portion 24 are fully collapsed.
  • the foam elements are not shown in Fig. 3 , for clarity.
  • the support surface 18 has a second width dimension 16 that is smaller than a first width dimension (shown in Fig. 4 ). It should be appreciated that the width dimension 16 of the support surface 18 can vary while the length dimension 12 does not change.
  • the adjustable width mattress 10 includes air channels 54 that allow fluid communication between the central space 28 and the first expansion space 34, as well as between the central space 28 and the second expansion space 40.
  • the adjustable width mattress 10 includes an air outlet 56 that allows fluid communication between the central space 28 and an external fluid reservoir 58.
  • the illustrated external fluid reservoir 58 is the ambient air surrounding the adjustable width mattress 10.
  • the air outlet 56 allows air to escape from the adjustable width mattress 10 when the compressive force is applied to the adjustable width mattress 10 so that the first expansion space 34 and the second expansion space 40 collapse.
  • the air outlet 56 includes a relief valve 60 that may be used to set a target air pressure within the adjustable width mattress 10. The relief valve 60 allows air to travel from the central space 28 to the external fluid reservoir 58 when the pressure in the central space 28 exceeds the target air pressure.
  • FIG. 4 a view similar to that of Fig. 3 is shown when the side rails 46 and 48 are moved in the outward direction 50.
  • the compressive force is no longer applied to the adjustable width mattress 10 and the first expansion foam 36 and the second expansion foam 42 (shown in Fig. 2 ) have expanded to return the first expansion space 34 and the second expansion space 40 to their respective unloaded states.
  • Air is drawn from the central space 28 into the first expansion space 34 and the second expansion space 40 through the air channels 54.
  • the adjustable width mattress 10 includes an air inlet 62 that allows fluid communication between the central space 28 and the external fluid reservoir 58. It should be appreciated that the air inlet 62 may provide fluid communication with a second external fluid reservoir (not shown) rather than the external fluid reservoir 58, if desired.
  • the air inlet 62 includes a check valve 64 that prevents air from escaping from the central space 28 through the air inlet 62.
  • the adjustable width mattress 10 may include different air paths from those illustrated.
  • the air inlet 62 and the air outlet 56 may be connected to a manifold (not shown) with air channels (not shown) such as tubing connected to the central space 28, the first expansion space 34, and the second expansion space 40, if desired.
  • the adjustable width mattress 10 includes an optional top sheet 66.
  • the top sheet 66 is attached to the side rails 46 and 48 by hook-and-loop fasteners at the location indicated at 68 (only the connection to side rail 48 is visible in Fig. 5 ).
  • the top sheet 66 may be attached to the side rails 46 and 48 by other desired fasteners such as, for example, snaps, hooks, zippers, or clamps.
  • the top sheet 66 may alternatively be attached to the side rails 46 and 48 using a relatively permanent attachment such as stitching or adhesives, if desired.
  • the top sheet 66 is able to support the weight of the occupant 70 so that the weight of the occupant 70 may be temporarily removed from the support surface 18.
  • the adjustable width mattress 10 may be better able to equalize pressure between the central space 28, the first expansion space 34, and the second expansion space 40 (shown in Fig. 2 ), for example, when the side rails 46 and 48 are moved in the outward direction 50 and in the inward direction 52.
  • FIG. 6 an end view of the adjustable air mattress 10 and side rails 46 and 48 is shown.
  • the side rails 46 and 48 are shown in a raised position relative to the support surface 18, as compared to a lowered position shown in Fig. 2 .
  • the top sheet 66 creates a hammock-like support for the occupant 70.
  • the side rails 46 and 48 may be raised using an electric motor (not shown), a hydraulic system, a mechanical jack, or other desired mechanisms. It should be appreciated that by providing the side rails 46 and 48 this mechanism allows an attendant to raise the side rails 46 and 48 even when a relatively large occupant 70 such as an obese person or bariatric patient is supported on the top sheet 66.
  • the adjustable width mattress 10 is shown with a second embodiment of an adjustable side rails.
  • the second embodiment includes side rails 72 and 74, which are shown in extended positions.
  • the side rails 72 and 74 include wings 76 and 78, respectively and the top sheet 66 is attached (as previously described) to the wings 76 and 78.
  • the wings 76 and 78 are rotated relative to the side rails 72 and 74, respectively, to the illustrated extended positions and the top sheet 66 is pulled taut. This creates a hammock-like support for the occupant 70 and removes the weight of the occupant 70 from the support surface 18.
  • the wings 76 and 78 may be moved relative to the side rails 72 and 74 using an electric motor (not shown), a hydraulic system, a mechanical jack, or other desired mechanisms.
  • Fig. 7 illustrates one way in which the top sheet 66 may be drawn taut while the adjustable width mattress 10 is occupied by an occupant 70.
  • Other mechanisms to draw the top sheet 66 taut may be used, such as using a roller on one end of the top sheet 66.
  • the roller may be attached to a winch to facilitate use by a single attendant.
  • FIG. 8 a schematic, cross-sectional view of an alternative embodiment of an adjustable width mattress, indicated generally at 80, is shown.
  • the adjustable width mattress 80 includes a central portion, indicated generally at 82, that includes pneumatically-separated first center air cells 84 and second center air cells 86.
  • the first center air cells 84 are in fluid communication with an external fluid reservoir 88 through a first air inlet 90 and a first air outlet 92.
  • the first center air cells 84 are pneumatically connected to a first expansion portion, indicated generally at 94, by first air channels 96.
  • the second center air cells 86 are in fluid communication with the external fluid reservoir 88 through a second air inlet 98 and a second air outlet 100.
  • the second center air cells 86 are pneumatically connected to a second expansion portion, indicated generally at 102, by second air channels 104.
  • the first expansion portion 94 includes a first outer cell 106 and a first inner cell 108.
  • the first outer cell 106 and the first inner cell 108 each encapsulate a foam element 110 and 112, respectively.
  • the foam element 110 and the foam element 112 extend longitudinally along the length of the adjustable width mattress 80, and occupy no more than half the cross-sectional space of the first outer cell 106 and the first inner cell 108, respectively.
  • the first outer cell 106 and the first inner cell 108 are attached to each other at a hinge line 114.
  • the first center air cells 84 are located between the second expansion portion 102 and the second center air cells 86 and the second center air cells 86 are located between the first expansion portion 94 and the first center air cells 84.
  • FIG. 9 a schematic, cross-sectional view of the adjustable width mattress 80 is shown when the adjustable width mattress 80 is in a narrow configuration.
  • the hinge line 114 allows relative rotational movement between the first outer cell 106 and the first inner cell 108.
  • the first outer cell 106 is folded along the hinge line 114 into a position closer to the central portion 82. This partially collapses both the first outer cell 106 and the first inner cell 108, and causes air contained in the first outer cell 106 and the first inner cell 108 to travel to the first center air cell 84 through the first air channel 96.
  • both the first outer cell 1 06 and the first inner cell 1 08 may occupy the space of a single cell when the air is displaced from both cells, as shown in Fig. 9 .
  • the second expansion portion 102 includes components similar to the first expansion portion 94, and will not be described separately.
  • the first expansion portion 94 and the second expansion portion 102 may be inflated by rotating the occupant (not shown) from side to side. This alternates between apply a load to the first center air cells 84 forcing air into the first expansion portion 94 through the first air channel 96, and the second center air cells 86 forcing air into the second expansion portion 102 through the second air channel 104.
  • the first center air cells 84 and the second center air cells 86 include foam inflation structures (not shown), and when the occupant's weight is removed from the first center air cells 84, the foam inflation structure will cause air to be drawn into the first center air cells 84 through the first air inlet 90.
  • the second center air cells will inflate when the occupant's weight is removed.
  • the first expansion portion 94 and the second expansion portion 102 will be pumped full of air.
  • the first expansion portion 94 may include an air inlet (not shown) to allow an operator to inflate the first expansion portion 94 directly using an accessory pump or other pressurized air source.
  • the second expansion portion 102 may share an air inlet with the first expansion portion 94, if desired.
  • the first expansion portion 94 may be moved to the narrow configuration (shown in Fig. 9 ) by the operator manually folding the first outer cell 106 against the first inner cell 108.
  • the first expansion portion 94 may include an air outlet (not shown) that allows the operator to use a vacuum to withdraw air from the first expansion portion 94.
  • the first outer cell 106 may be biased to fold so that the adjustable width mattress 80 is in the narrowed configuration shown in Fig. 9 .
  • the first expansion portion 94 may then include an air outlet (not shown) that the operator may open in order to allow air to escape so that the first expansion portion 94 will move to the narrowed configuration.
  • the biasing may be accomplished by any desired mechanism, such as a spring attached to a push plate, or by using a resilient material in the hinge line 114.
  • the adjustable width mattress 116 includes a longitudinally- alternating arrangement of lateral full- width air cells 118 and pairs of lateral half- width air cells 120 and 122.
  • the full- width air cells 118 are cylinders 20,32 cm (8 inches) in diameter.
  • the half- width air cells 120 and 122 are cylinders 25,4 cm (10 inches) in diameter.
  • the lateral full- width air cells 118 and the lateral half- width air cells 120 and 122 may be other desired sizes.
  • the air pressure in the adjustable width mattress 116 is maintained so that the pressure in the half- width air cells 120 and 122 is approximately 80% of the air pressure in the full- width air cells 118 when the adjustable width mattress 116 is in a narrowed configuration shown in Fig. 10 .
  • the difference in pressure between the full- width air cells 118 and the half- width air cells 120 and 122 may be some other desired value.
  • FIG. 11 an overhead view of the adjustable width mattress 116 in the narrowed configuration is shown.
  • the adjustable width mattress 116 has a length dimension 124 along a longitudinal axis 126.
  • the adjustable width mattress 116 has a width dimension 128 that is perpendicular to the longitudinal axis 126.
  • the length dimension 124 is greater than the width dimension 128.
  • FIG. 12 an overhead view of the adjustable width mattress 116 is shown in an expanded configuration. As shown, the pairs of half- width air cells 120 and 122 have been moved laterally outward relative to each other. When the adjustable width mattress 116 is in the expanded configuration, there is a central gap 130 between each of the pairs of half- width air cells 120 and 122. The air pressure in the adjustable width mattress 116 is maintained so that the pressure in the half- width air cells 120 and 122 is approximately equal to the air pressure in the full- width air cells 118 when the adjustable width mattress 116 is in the expanded configuration.
  • the adjustable width mattress 116 may include a stretchable or reconfigurable top sheet (not shown) to help distribute the weight of an occupant onto the air cells 118, 120, and 122 and across the relatively open areas including the gaps 130. It should be appreciated that the dimensions detailed above are only one embodiment, and the air cells 118, 120, and 122 may have other desired sizes.
  • the adjustable width mattress 132 includes a central portion, indicated generally at 134.
  • the central portion 134 includes pneumatically- separated first center air cells 136 and second center air cells 138.
  • the first center air cells 136 and second center air cells 138 include foam inflation elements (not shown) to allow the air cells to self-inflate when they are not loaded.
  • the first center air cells 136 are pneumatically connected to a first expansion portion 140 by first air channels 142.
  • the second center air cells 136 are pneumatically connected to a second expansion portion 144 by second air channels 146.
  • the first expansion portion 140 and the second expansion portion 144 may be inflated by rotating an occupant of the adjustable width mattress 132 from side to side, alternatingly applying a load to the first center air cells 136 in order to inflate the first expansion portion 140, and applying a load to the second center air cells 136 in order to inflate the second expansion portion 144.
  • the expansion portions may include air inlets and outlets (not shown) to allow an attendant to manually inflate or deflate the expansion portions.
  • the adjustable- width mattress 148 includes a central portion indicated generally at 150 that includes a longitudinally- arranged series of laterally-extending air cells 152.
  • the adjustable-width mattress 148 includes a foam perimeter consisting of foam surround pieces 154.
  • the adjustable-width mattress 148 also includes a first expansion bladder 156 and a second expansion bladder 158, which are located between the central portion 150 and the foam surround pieces 154.
  • the adjustable-width mattress 148 is supported by a bed (not shown).
  • the bed includes a first side rail 160 and a second side rail 162 which are able to be moved in an inward direction 164 and an outward direction 166.
  • the adjustable- width mattress 148 includes a mattress controller (not shown).
  • the mattress controller may be connected to a position sensor (not shown). Limit switches may be used to sense the relative positions of the side rails 160 and 162 and provide that information to the mattress controller.
  • the mattress controller is able to regulate the air pressure in the first expansion bladder 156 and the second expansion bladder 158. This allows the mattress controller to adjust the size of adjustable- width mattress 148 to correspond to the space between the side rails 160 and 162.
  • the mattress controller may include a manual interface to allow the attendant to direct the mattress controller to pressurize or vent the first expansion bladder 156 and the second expansion bladder 158. This would be useful when the adjustable-width mattress 148 is installed on a bed frame that allows the width of the frame to be manually adjusted.
  • FIG. 15 there is shown an exploded, perspective view of a fifth alternative embodiment of an adjustable-width mattress, indicated generally at 168.
  • the adjustable- width mattress 168 is operates similarly to the previously-described adjustable-width mattress 148 (shown in Fig. 14 ).
  • the adjustable-width mattress 168 includes a central expansion bladder 170 located between a first central portion 172 and a second central portion 174.
  • the mattresses described above are 91,44 cm (36 inches) wide in their most narrowed configuration, and 106,68 cm (42 inches) wide in their most expanded configuration. It should be appreciated that the sizes and relative pressures described above refer only to the embodiments shown, and other sizes and relative dimensions may be used if desired. Also, it should be appreciated that side rails described in connection with the adjustable- width mattress 10 may be used with any of the other described mattresses in order to assist an attendant with adjusting the width of the mattress.
  • the mattresses described above may be paired with an adjustable- width bed so that the bed and mattress may both have their size adjusted. It is advantageous to be able to change the width of a bed. For example, a large bed may be narrowed to fit into a small space. Or a bed may be widened in order to accommodate a larger occupant.
  • the mattresses described above allow the bed to be fitted with a single mattress that is usable with multiple different bed widths such as, for example, two or more bed widths, or any desired bed width between the maximum and the minimum mattress width.
  • Some of the embodiments described above allow the width of the mattress to be changed without the need for external power. Additionally, some of the embodiments allow the width of the mattress to be changed without removing the occupant from the support surface. Also, these mattresses allow a single attendant to change the width of the mattress when this may otherwise be problematic for an attendant who is attempting to change the width of a bed occupied by an obese occupant.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)

Claims (5)

  1. Matratze mit einstellbarer Breite (80), umfassend:
    einen mittigen Abschnitt (82), der pneumatisch getrennte erste mittlere Luftzellen (84) und zweite mittlere Luftzellen (86) umfasst;
    wobei die ersten mittleren Luftzellen (84) durch erste Luftkanäle (96) pneumatisch mit einem ersten Erweiterungsabschnitt (94) verbunden sind;
    die ersten mittleren Luftzellen (84) über einen ersten Lufteinlass (90) und einen ersten Luftauslass (92) in Fluidverbindung mit einem externen Fluidreservoir (88) stehen;
    die zweiten mittleren Luftzellen (86) durch zweite Luftkanäle (104) pneumatisch mit einem zweiten Erweiterungsabschnitt (102) verbunden sind;
    die zweiten mittleren Luftzellen (86) über einen zweiten Lufteinlass (98) und einen zweiten Luftauslass (100) in Fluidverbindung mit dem externen Fluidreservoir (88) stehen;
    der erste Erweiterungsabschnitt (94) eine erste äußere Zelle (106) und eine erste innere Zelle (108) umfasst;
    dadurch gekennzeichnet, dass
    die erste äußere Zelle (106) und die erste innere Zelle (108) jeweils entsprechend ein erstes und ein zweites Schaumstoffelement (110, 112) umschließen, wobei die Schaumstoffelemente (110, 112) sich in Längsrichtung entlang der Länge der Matratze mit einstellbarer Breite (80) erstrecken und nicht mehr als die Hälfte des jeweiligen Querschnittsraums der ersten äußeren Zelle (106) und der ersten inneren Zelle (108) einnehmen;
    die erste äußere Zelle (106) und die erste innere Zelle (108) an einer Scharnierlinie (114) aneinander befestigt sind;
    wobei die ersten mittleren Luftzellen (84) sich zwischen dem zweiten Erweiterungsabschnitt (102) und den zweiten mittleren Luftzellen (86) befinden und die zweiten mittleren Luftzellen (86) sich zwischen dem ersten Erweiterungsabschnitt (94) und den ersten mittleren Luftzellen (84) befinden.
  2. Matratze mit einstellbarer Breite (80) nach Anspruch 1, dadurch gekennzeichnet, dass
    (i) die Scharnierlinie (114) eine relative Drehbewegung zwischen der ersten äußeren Zelle (106) und der ersten inneren Zelle (108) erlaubt, insbesondere wenn die Matratze mit einstellbarer Breite sich in einem schmalen Zustand befindet;
    (ii) die erste äußere Zelle (106) entlang der Scharnierlinie (114) in eine Position näher an dem mittigen Abschnitt (82) gefaltet wird, wobei sowohl die erste äußere Zelle (106) als auch die erste innere Zelle (108) teilweise zusammenfällt und bewirkt, dass Luft, die in der ersten äußeren Zelle (106) und der ersten inneren Zelle (108) enthalten ist, über den ersten Luftkanal (96) in die erste mittlere Luftzelle (84) strömt;
    (iii) die erste äußere Zelle (106) und die erste innere Zelle (108) jeweils nicht mehr als die Hälfte des Querschnittsraums der Zellen einnehmen und/oder die erste äußere Zelle (106) und die erste innere Zelle (108) den Raum einer einzigen Zelle einnehmen können, wenn die Luft aus beiden Zellen verdrängt ist;
    und
    (iv) der zweite Erweiterungsabschnitt (102) Komponenten umfasst, die dem ersten Erweiterungsabschnitt (94) ähnlich sind.
  3. Matratze mit einstellbarer Breite nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass
    (i) die Matratze mit einstellbarer Breite (80) so gestaltet ist, dass, wenn die Matratze mit einstellbarer Breite (80) sich in einem schmalen Zustand befindet, der erste Erweiterungsabschnitt (94) und der zweite Erweiterungsabschnitt (102) durch Drehen eines Benutzers von einer Seite zur anderen und dadurch eine Abwechslung zwischen dem Anlegen einer Last an die ersten mittleren Luftzellen (84) und Drücken von Luft in den ersten Erweiterungsabschnitt (94) über den ersten Luftkanal (96) und an die zweiten mittleren Luftzellen (86) und Drücken von Luft in den zweiten Erweiterungsabschnitt (102) über den zweiten Luftkanal (104) aufgeblasen werden können;
    (ii) die ersten mittleren Luftzellen (84) und die zweiten mittleren Luftzellen (86) Schaumstoffaufblasstrukturen umfassen und, wenn das Gewicht des Benutzers von den ersten mittleren Luftzellen (84) entfernt wird, die Schaumstoffaufblasstruktur bewirkt, dass Luft über den ersten Lufteinlass (90) in die ersten mittleren Luftzellen (84) gezogen wird;
    (iii) die zweiten mittleren Luftzellen sich aufblasen, wenn das Gewicht des Benutzers entfernt wird;
    und
    (iv) wenn der Benutzer auf der Matratze mit einstellbarer Breite (80) hin und her geschaukelt wird, der erste Erweiterungsabschnitt (94) und der zweite Erweiterungsabschnitt (102) mit Luft vollgepumpt werden.
  4. Matratze mit einstellbarer Breite nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass
    (i) der erste Erweiterungsabschnitt (94) einen Lufteinlass umfasst, um einer Bedienperson zu erlauben, den ersten Erweiterungsabschnitt (94) direkt unter Benutzung einer zugehörigen Pumpe oder anderen Druckluftquelle aufzublasen; und/oder
    (ii) der zweite Erweiterungsabschnitt (102) sich einen Lufteinlass mit dem ersten Erweiterungsabschnitt (94) teilen kann.
  5. Matratze mit einstellbarer Breite nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass
    (i) der erste Erweiterungsabschnitt (94) einen Luftauslass umfasst, welcher der Bedienperson erlaubt, ein Vakuum zu nutzen, um Luft aus dem ersten Erweiterungsabschnitt (94) abzuziehen;
    und/oder
    (ii) der erste Erweiterungsabschnitt (94) einen Luftauslass umfasst, den die Bedienperson öffnen kann, um zu erlauben, dass Luft entweicht, so dass der erste Erweiterungsabschnitt (94) sich in den verschmälerten Zustand bewegt, wenn die erste äußere Zelle (106) dazu vorgespannt wird, sich so zu falten, dass die Matratze mit einstellbarer Breite (80) sich in dem verschmälerten Zustand befindet, wobei vorzugsweise das Vorspannen durch einen beliebigen gewünschten Mechanismus, wie etwa eine an einer Druckplatte befestigte Feder, oder unter Benutzung eines elastischen Materials in der Scharnierlinie (114) erreicht wird.
EP18210777.1A 2012-07-25 2013-07-25 Matratze mit einstellbarer breite Active EP3530250B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261675639P 2012-07-25 2012-07-25
PCT/US2013/052070 WO2014018758A1 (en) 2012-07-25 2013-07-25 Adjustable width mattress
EP13822231.0A EP2877058B1 (de) 2012-07-25 2013-07-25 Matratze mit einstellbarer breite

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EP13822231.0A Division EP2877058B1 (de) 2012-07-25 2013-07-25 Matratze mit einstellbarer breite

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EP (2) EP2877058B1 (de)
DK (1) DK2877058T3 (de)
ES (2) ES2900556T3 (de)
PL (1) PL2877058T3 (de)
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Also Published As

Publication number Publication date
EP3530250A1 (de) 2019-08-28
WO2014018758A1 (en) 2014-01-30
EP2877058B1 (de) 2018-12-12
DK2877058T3 (en) 2019-03-18
ES2711955T3 (es) 2019-05-08
EP2877058A1 (de) 2015-06-03
PL2877058T3 (pl) 2019-06-28
TR201902451T4 (tr) 2019-03-21
EP2877058A4 (de) 2016-04-20
US20140026325A1 (en) 2014-01-30
ES2900556T3 (es) 2022-03-17

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