Devices and methods for in situ fenestration of a stent-graft at the site of a branch vessel
US9566149B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 1, 2011 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Nov 1, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0098
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure includes a stent-graft comprising a first portion that is configured to engage a vessel wall, a second portion that is configured not to engage the vessel wall, and a perfusion window that is configured to permit blood flow. The stent-graft may further comprise a transition portion between the first portion and the second portion, and the perfusion window may be formed in the first portion, the second portion, and/or the transition portion. In a variety of embodiments, one of the first and the second portion may have a smaller diameter than the other. Similarly, in a variety of embodiments, the transition portion may be frustoconically shaped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.