Annular fastening means

Details Annular fastening means Annular fastening means

1989-05-24

1990-04-17

Coven, Edward M.

Surgery

Instruments

Surgical mesh, connector, clip, clamp or band

A61B 1704

Patent

active

049170910

ABSTRACT:
In surgery, especially in microsurgery, anastomosis, consumes a considerable part of the time. In order to carry out anastomosis rapidly and reliably a surgical instrument (1) according to the invention is provided with two clamping means (2,3), each being arranged to support a fastening means (5a,5b) consisting of a ring with axially directed pins (6). The clamping means (2,3) are rotatably connected to the instrument and can be actuated by a mechanism (i.a. 7) to be turned towards each other to join the fastening means (5a,5b) and vessels or organs (50,51) threaded onto these.
The invention relates to fastening means (5a,5b) shaped in such a manner that they are retained in the clamping means (2,3) of the instrument until the joining is accomplished.

REFERENCES:
patent: 3258012 (1966-06-01), Nakayama et al.
patent: 3316914 (1967-05-01), Collito
patent: 3606888 (1971-09-01), Wilkinson
patent: 4449531 (1984-05-01), Cerwin et al.
patent: 4487205 (1984-12-01), Di Giovanni et al.
patent: 4523592 (1985-06-01), Daniel
Holt et al, "A New Technique for End-to-End Anastomosis of Small Arteries", Surgical Forum 11:242 (1960).
Nakayama et al, "A Simple New Apparatus for Small Vessel Anastomosis (Free Autograft of the Sigmoid Included)", Surgery vol. 52, No. 6, pp. 918-931 (Dec. 1962).

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