Low profile filter devices suitable for use in negative pressure wound therapy systems
US11771819B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2019 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Oct 17, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A filter adaptor includes a body that defines an internal passageway disposed between an inlet and an outlet, the passageway configured to permit passage of a fluid in a first direction defined by the inlet and the outlet; and a filter disposed within the passageway and oriented to define a volumetric direction that is different than the first direction. Another filter adaptor includes a body that defines an internal passageway disposed between an inlet and an outlet, and a filter disposed within the passageway, wherein the filter comprises a gelling absorbent material that, when in a dry state, is permeable to gas and that, when contacted by an aqueous fluid, converts to a gel. Such filter adaptors may be used for negative pressure wound therapy, dressing, or as syringe filters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.