Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Patent
1990-12-31
1992-10-06
Thaler, Michael H.
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
606198, A61B 1732
Patent
active
051527715
ABSTRACT:
A valve cutter for arterial bypass surgery is provided and includes a blade assembly for cutting the venous valves, a shaft for guiding the blade assembly through the bypass vein, an expansion means for preventing the blade assembly from contacting the walls of the bypass vein and for helping to propagate the incisions made in the valve leaflets by the blade assembly, and a control means for controlling the expansion and contraction of the expansion means in order to allow for use of the invention in a variety of bypass vein diameter sizes.
REFERENCES:
patent: 833759 (1906-10-01), Sourwine
patent: 2816552 (1957-12-01), Hoffman
patent: 4493321 (1985-01-01), Leather
patent: 4793359 (1988-12-01), Sharrow
patent: 4952215 (1990-08-01), Ouriel et al.
patent: 4994067 (1991-02-01), Summers
patent: 5069679 (1991-12-01), Taheri
patent: 5087264 (1992-02-01), Miller et al.
Dailey Russell S.
Dobson Gregory T.
Sabbaghian Mehdy
Schwartzberg Glen J.
Tang Hing W.
Agricultural and Mechanical College
Kiesel William D.
Thaler Michael H.
The Board of Supervisors of Louisiana State University
Tucker Robert C.
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