Ostomy appliance
US11737908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2018 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Jun 7, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F5/441
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ostomy appliance comprising: first and second walls connected to each other at or near their peripheries, the first wall having a stoma-receiving opening; a connection member connected to the first wall for attaching the appliance to a user; an aperture located in either of the first and/or second walls for permitting waste gases to exit the appliance; a multi-layer filter positioned adjacent and covering the aperture on an exterior surface of the respective first and/or second wall, wherein a layer of the filter is hydrophobic and wherein said hydrophobic layer is positioned directly adjacent the respective first and/or second wall, wherein the hydrophobic layer has a first side and a second side and wherein the first side is connected directly to the respective first and/or second wall, said connection holding the multi-layer filter relative to the wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.