Stent, mandrel, and method for forming a stent with anti-migration features
US11707368B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 2, 2021 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Feb 2, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/9511
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical stent having a first end, a second end, and a central longitudinal axis extending from the first end to the second end, may include a plurality of first filaments each extending in a first helical path around the central longitudinal axis in a first direction and a plurality of second filaments each extending in a second helical path around the central longitudinal axis in a second direction. The plurality of first filaments may be interwoven with the plurality of second filaments. The first helical path of at least one of the plurality of first filaments may include a circumferential offset disposed between the first end and the second end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.