Infection control bedding product
AssigneePneuma Pure I.P. Limited
InventorsWilliam Navan, David Woolfson
Life of this patent
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Abstract
A hermetically sealed infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover and having a resiliently deformable filling material, comprising a vent means in the cover, characterized in that the vent means comprises a filter medium including a filter membrane for the removal of particles of microbial size and wherein the filter medium also comprises a strengthening layer of material for providing mechanical strength to the filter medium whereby the filter medium allows air flow therethrough but is substantially impermeable to liquid while maintaining a barrier to particles of microbial size.
Claims27
An infection control bedding product comprising
- a cover enclosing a resiliently deformable filling material, the cover including an aperture;
- a vent means including a filter medium covering and extending past the perimeter of the aperture and being sealingly attached to the cover, the filter medium including a filter membrane and a strengthening layer of material for providing mechanical strength to the filter medium;
- and
- a gasket to form a liquid impermeable seam between the cover and the vent means,
- wherein the filter medium allows air flow therethrough but is substantially impermeable to liquid while maintaining a barrier to particles of microbial size, and
- wherein the cover and the vent means are impermeable to liquid.
A method of manufacture of an infection control bedding product comprising the steps of:
- a) providing a filter membrane
- b) providing a strengthening layer
- c) providing a cover of the bedding product, the cover having an aperture, the filter membrane extending past the perimeter of the aperture when placed over the aperture;
- d) providing a gasket between the strengthening layer and the cover;
- and
- e) sealingly bonding the filter membrane and the strengthening layer to the cover over the aperture to form a seam with the cover that is impermeable to liquid, whereby the filter membrane and the strengthening material provide a vent in the infection control bedding product to allow air flow therethrough.
An infection control bedding product comprising
- a cover enclosing a resiliently deformable filling material, the cover including an aperture;
- a gasket;
- and
- a filter membrane including a filter medium and a strengthening layer of material providing mechanical strength to the filter medium, wherein the filter medium allows air flow therethrough, is substantially impermeable to liquid and maintains a barrier to particles of microbial size, and extends past the perimeter of the aperture, and
- wherein the gasket is disposed between the cover and the filter medium to form an impermeable seal rendering the outer surface of the infection control bedding product impermeable to liquid.
Dependencies are inferred from the claim text.