| 摘要 |
A hermetically sealed infection control bedding product such as a pillow, duvet, mattress, cushion or the like having a sealed cover and having a resiliently deformable filing material, comprising: a vent means in the cover communication between an interior and an exterior of the cover, characterised 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 layer of strengthening material for providing mechanical sstrength to the filter medium whereby the filter medium allows air to flow therethrough but is substantially impermeable to liquid. |
