Multi-strand helical stent
US8394138B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2009 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Nov 22, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0075
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A stent including a stent wire comprising a plurality of filaments twisted into a bundle having a helix, the stent wire bent into a pattern having a plurality of substantially straight wire sections separated by a plurality of bends. The pattern of the stent wire is spirally wound about a central axis in the same direction as the helix formed by the plurality of filaments. Each of the filaments in a bend have a cylindrical cross-section where at least one of the plurality of filaments is displaced and spaced from an immediately adjacent filament in the bend.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.