Surgical clip
US6402765B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Nov 13, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/1139
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical clip and method for anastomosing a gastrointestinal tract, the clip being formed at least partly of a shape memory alloy, the clip including: a first length of a wire defining a closed geometrical shape having a central opening; a second length of a wire defining a closed geometrical shape similar in configuration and magnitude to that of the first length of wire, wherein, when placed in side-by-side registration, the first and second lengths of wire fully overlap; an intermediate portion located between the first length of wire and the second length of wire, the intermediate portion formed of a shape memory alloy; a cutting element associated with the first length of wire; a counter element associated with the second length of wire and arranged for cutting engagement with the cutting element; wherein when at a first temperature or higher, the first and second lengths of wire are positioned in a side-by-side closed position and the shape memory alloy is in an elastic state, and further, when at a second temperature or lower, below the first temperature, the shape memory alloy is in a plastic state, thereby enabling the first and second lengths of wire to be moved into an…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.