Mesh and stent for increased flexibility
US6673103B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2000 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | May 16, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A composite stent-graft tubular prosthesis includes an inner PTFE tubular structure, an outer PTFE tubular structure positioned about the inner PTFE tubular structure and a diametrically deformable stent interposed between the inner and outer PTFE tubular structures. The interposed stent is formed from an elongate wire helically wound with a plurality of longitudinally spaced turns into an open configuration. Each of the turns includes successive aligned upper and lower wave-like peaks. Selective ones of said upper and lower peaks are exposed exteriorly of the outer PTFE structure to render the composite prosthesis longitudinally flexible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.