Expandable sheath
US11273062B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2019 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Oct 11, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/0827
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable sheath is disclosed herein, which has a first polymeric layer and a braided layer positioned radially outward of the first polymeric layer. The braided layer includes a plurality of filaments braided together. The expandable sheaths further include a resilient elastic layer positioned radially outward of the braided layer. The elastic layer is configured to apply radial force to the braided layer and the first polymeric layer. The expandable sheath further includes a second polymeric layer positioned radially outward of the elastic layer and bonded to the first polymeric layer such that the braided layer and the elastic layer are encapsulated between the first and second polymeric layers. Methods of making and using the devices disclosed herein are also disclosed, as are crimping devices that may be used in methods of making the devices disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.