Intravascular devices supporting an arteriovenous fistula
US9687239B2 · kind B2 · utility
2Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2014 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Dec 16, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/3655
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Medical devices and methods for forming an arteriovenous (AV) fistula include a stent having an arterial tubular portion and vein supporting tongue connected by a pre-shaped connector and a venous frustoconical stent having a distal end for maintaining a take-off angle for the venous portion of the AV fistula. Also disclosed is an angled balloon for assisting with the formation of the AV fistula. The medical devices disclosed herein support an AV fistula formation having a desired take off angle of about 30 degrees, or between about 15 and 45 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.