Microscissors device and anastomotic repair technique

Details Microscissors device and anastomotic repair technique Microscissors device and anastomotic repair technique

1989-11-30

1991-03-26

Green, Randall L.

Surgery

Instruments

Cutting, puncturing or piercing

606207, 30120, 30261, 81418, A61B 1700, A41H 2500, B25B 702

Patent

active

050025546

ABSTRACT:
A microscissors device for us in microvascular end-to-side anastomosis, and an end-to-side vascular anastomotic repair technique are disclosed. The microscissors device standardizes the excision in a recipient (arterial or venous) vessel wall so that a hemodynamically sound anastomosis can be achieved. In order to form the standardized excision, a microscissors device has pivoting arms providing a scissors-action with cooperating half-moon shaped sharpened indentations in the pivoting arms which engage and form the uniform excision in the recipient vessel wall. The end-to-side vascular anastomotic repair technique includes the step of forming a standardized generally longitudinally extending excision in the recipient vessel wall to facilitate insertion and subsequent suturing of the donor vessel, in a hemodynamically sound manner. The excision is made as uninterrupted single-step excision. Also, the excision is formed essentially within the confines of the recipient vessel wall without extending substantially across the passageway of the recipient vessel.

REFERENCES:
patent: 630455 (1899-08-01), Hazard
patent: 681327 (1901-08-01), Klever, Jr.
patent: 3651811 (1972-03-01), Hildebrandt
patent: 4299030 (1981-11-01), Vickers
patent: 4478221 (1984-10-01), Heiss
patent: 4817287 (1989-04-01), Arnold et al.
patent: 4823792 (1989-04-01), Dulebohn et al.

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