Surgical instrument for prosthetic graft removal

Details Surgical instrument for prosthetic graft removal Surgical instrument for prosthetic graft removal

1987-10-19

1989-04-18

Thaler, Michael H.

Surgery

Truss

Pad

A61B 1732

Patent

active

048217182

ABSTRACT:
A surgical instrument is provided for removal of prosthetic vein grafts from surrounding tissues. The instrument comprises a cylindrical knife having a sharp circular front edge, a concentric annular guide and an elongate arm with an offset handle at its end. The graft is drawn through the interior of the instrument, and the configuration of the exterior of the instrument is such that the surrounding tissue is retracted from the graft, so that the tissue peels from the graft at the point at which the sharp circular front edge of the cylindrical knife is brought to bear.

REFERENCES:
patent: 2473968 (1949-06-01), Paton
patent: 2779334 (1957-01-01), Sandborn
patent: 2788787 (1957-04-01), Trace
patent: 2868206 (1959-01-01), Stoesser
patent: 3788325 (1974-01-01), Jacobsen
patent: 3855996 (1974-12-01), Bolduc
Martin Motor Trephine Pamphlet (5-1977).

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