Devices and methods for performing avascular anastomosis
US6984238B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Apr 23, 2004 |
| Grant date | Jan 10, 2006 |
| Priority date | — |
| Expiry date | May 8, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2210/0014
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for performing an end-to-side vascular anastomosis. including an anastomosis device, an application instrument and methods for performing a vascular anastomosis. The system is applicable for performing an anastomosis between a vascular graft and the ascending aorta in coronary artery bypass surgery, particularly in port-access CABG surgery. A first aspect of the invention includes a vascular anastomosis staple. A first configuration has two parts: an anchor member, forming the attachment with the target vessel wall and a coupling member, forming the attachment with the bypass graft vessel. The anastomosis is completed by inserting the coupling member, with the graft vessel attached, into the anchor member. A second configuration combines the functions of the anchor member and the coupling member into a one-piece anastomosis staple. A second aspect of the invention includes an anastomotic fitting, having an inner flange over which the graft vessel is everted and an outer flange which contacts the exterior surface of the target vessel. A tailored amount of compression applied by the inner and outer flanges grips the target vessel wall and creates a leak-proof seal between th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.