A patient positioning wedge, mattress, pillow, pod, or other surface or apparatus for preventing or relieving pressure ulcers or other types of wounds through low air loss therapy, alternating pressure therapy, or both, and the ports, controllers, and manifolds used in combination. The mattress incl
A patient positioning wedge, mattress, pillow, pod, or other surface or apparatus for preventing or relieving pressure ulcers or other types of wounds through low air loss therapy, alternating pressure therapy, or both, and the ports, controllers, and manifolds used in combination. The mattress includes a plurality of perforated or otherwise porous air cells for supporting the patient's body weight. The mattress further includes valves and accessory ports to pump air into accessories, such as patient positioning wedges, pods, and pillows. Each accessory also includes perforated or otherwise porous air cells. The air cells in the mattress and accessories allow for low air loss therapy and/or alternating pressure therapy by passing air between the contact surface of the mattress or accessory and the contact surface of the patient, thus helping alleviate pressure, heat, friction, and moisture, while maintaining support and stability of the patient.
대표청구항▼
1. A low air loss patient positioning wedge system, comprising: a resilient, non-porous base having an outer surface, said outer surface being any side of said base intended to reposition a targeted body part of a user thereof; anda porous air cell layer formed of one or more perforated air cells co
1. A low air loss patient positioning wedge system, comprising: a resilient, non-porous base having an outer surface, said outer surface being any side of said base intended to reposition a targeted body part of a user thereof; anda porous air cell layer formed of one or more perforated air cells covering or surrounding said outer surface of said base, such that said user would not physically contact said outer surface of said base,said one or more air cells each having a substantially hollow interior, said porous air cell layer being powered, inflated, and controlled by a low air loss mattress via an accessory port on said low air loss mattress and an elongate tubing disposed through a first aperture in said air cell layer in order to provide fluid communication between said low air loss mattress and said interior of said each air cell, said low air loss mattress being directly or indirectly coupled to an air source,wherein flow of a fluid follows a path of travel from said air source, into said low air loss mattress, through said accessory port, through said tubing, into said substantially hollow interior of said each air cell through said first aperture, through perforations of said each air cell, and into an environment external to said wedge system. 2. A system as in claim 1, further comprising: a porous cover surrounding said base and said air cell layer, said porous cover having a second aperture,said first aperture and said second aperture being aligned with each other, said tubing disposed through said second aperture to reach said first aperture in order to provide fluid communication between said air source and said interior of said each air cell,wherein fluid flow follows said path of travel from said air source, through said tubing, into said substantially hollow interior of said each air cell through said first and second apertures, through perforations of said each air cell, through perforations of said cover, and into an environment external to said wedge system. 3. A system as in claim 1, further comprising: said base having a generally triangular prismic shape, said contact surface being a substantially planar, angled surface,said angled surface being covered by said air cell layer. 4. A system as in claim 3, further comprising: said air cell layer being substantially planar and formed of a plurality of air cells with a fluid channel disposed between each of said plurality of air cells. 5. A system as in claim 1, further comprising: said base having a generally cylindrical shape, said outer surface being a circumference of said base,said cylindrical base surrounded by said air cell layer. 6. A system as in claim 5, further comprising: said one or more perforated air cells being a plurality of elongate air cells each defining a longitudinal axis, said longitudinal axis of said each elongate air cell being disposed substantially parallel to a longitudinal axis of said cylindrical base, said plurality of elongate air cells abutting each other along said longitudinal axis of said each elongate air cell around said circumference of said cylindrical base. 7. A patient positioning wedge system as in claim 6, further comprising: an air distribution manifold coupled on one end to said elongate tubing and further coupled to said each air cell for the distribution of said fluid from said air distribution manifold into said each air cell in order to provide fluid communication between said air source and said interior of said each air cell.
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