Device for closing severed body vessels

Claim 1

A surgical device for closing severed body vessel walls comprising: a pair of annular flanges each formed of a material compatible to a human body, said flanges being positionable to having their planar faces in opposed relationship with vessel walls disposed between said flanges, pointed pins anchored to one of said flanges and extending through openings in the other flange and piercing the vessel walls between said flanges and retaining their pointed ends, threaded holding pins mounted on one of said flanges and having threaded portions extending through aligned apertures in the other of said flanges, and threaded fasteners for threading onto said threaded holding pins to hold said flanges and said pointed pins against separation, said threaded fasteners being turned in one direction on said threaded holding pins to various locations depending on the thickness of the vessel walls, said threaded fasteners being turnable in a direction opposite to said one direction to reduce the clamping pressure on the vessel walls to prevent a necrotic condition.