Heatless blood vessel harvesting device

Details Heatless blood vessel harvesting device Heatless blood vessel harvesting device

2007-12-18

2007-12-18

Hayes, Michael J. (Department: 3734)

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

C600S114000

Reexamination Certificate

active

10988931

ABSTRACT:
A method and device are disclosed directed at harvesting of vessels, such as arteries and veins, especially as required in vessel grafting procedures. The device and method discloses a cannula-like device that provides, identification, capture, manipulation, hemostasis and cleavage of branch vessels from the harvested vessel without need for further devices. In certain preferred embodiments of the disclosed method and device, the disclosed harvesting device achieves branch vessel cleavage and hemostasis without the use of heat producing means such as cautery. In addition, certain embodiments utilize a clip/coil magazine technology so as to enable severance and hemostasis of multiple branch vessels without need for removal of the device from the surgical site. Further embodiments disclose the incorporation and use of irrigants containing CO2, as well as other agents capable of stimulate release of nitric oxide from vascular endothelium are applied to subject vessels so as to enhance the viability of vessels to be harvested as graft material.

REFERENCES:
patent: 5373840 (1994-12-01), Knighton
patent: 5899912 (1999-05-01), Eaves, III
patent: 5922004 (1999-07-01), DuBois
patent: 6036713 (2000-03-01), Kierurakis
patent: 6042538 (2000-03-01), Puskas
patent: 6143008 (2000-11-01), Eaves, III
patent: 6193653 (2001-02-01), Evans
patent: 6206899 (2001-03-01), Ginn
patent: WO 99/25238 (1999-05-01), None

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