Biological vessel harvesting device

Details Biological vessel harvesting device Biological vessel harvesting device

1997-02-20

1998-11-17

Nasser, Robert L.

Surgery

Instruments

Electrical application

606 45, 606 50, 606159, A61B 1736

Patent

active

058369457

ABSTRACT:
A biological vessel harvesting device is provided which separates a segment of a biological vessel from adventitia surrounding the biological vessel while simultaneously cauterizing and sectioning tributaries extending from the separated vessel segment. The biological vessel harvesting device includes an outer catheter and a vessel grasping mechanism positioned within a lumen of the outer catheter for holding an end of a segment of the biological vessel to be harvested, the outer catheter being movable relative to the vessel grasping mechanism such that the vessel grasping mechanism and the vessel segment attached thereto can be drawn into the outer catheter lumen. The biological vessel harvesting device also includes a cautery-sectioning system positioned adjacent the outer catheter distal end in a ring around the outer catheter lumen. The cautery-sectioning system has a cautery mechanism for cauterizing tributaries extending from the vessel segment about the circumference of the vessel segment and a sectioning device function for sectioning the cauterized tributaries.

REFERENCES:
patent: 4874375 (1989-10-01), Ellison
patent: 5611357 (1997-03-01), Suval
patent: 5611358 (1997-03-01), Suval
patent: 5658282 (1997-08-01), Daw et al.

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