Medical device containing a multi-ply knit fabric
US11701261B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2019 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Dec 2, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2509/022
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical device comprising a device that covers at least a portion of a patient's skin and has an inner surface designed to be in contact with the patient's skin. It contains a multi-ply knit fabric that contains a first knit ply and a second knit ply. The first knit ply contains a plurality of first yarns and forms the upper surface of the fabric. The second knit ply contains a plurality of polytetrafluoroethylene (PTFE) yarns which forms the lower surface of the fabric. The first and second ply are integrated through combined portions formed by interlacing first yarns among the PTFE yarns, interlacing PTFE yarns among the first yarns, and interlacing a plurality of third yarns among the first and the PTFE yarns. The multi-ply knit fabric also contains a composition comprising at least one silver ion-containing compound on at least the upper surface of the multi-ply knit fabric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.