Blood vessel knife

Details Blood vessel knife Blood vessel knife

2007-09-04

2007-09-04

Ho, (Jackie) Tan-Uyen (Department: 3731)

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

Reexamination Certificate

active

10694327

ABSTRACT:
A blood vessel knife allows a doctor to easily see a knife main body when holding it for surgical operation. In a blood vessel knife having a cutter holder at a tip portion of a rod-shaped grip, and a knife main body attached to a tip of the cutter holder, at least one of a first bent portion2aformed at an end of the grip2and a second bent portion3aformed on the cutter holder3is provided; the cutter holder3can be detachably engaged with the tip portion from either an inside or outside thereof; and an angle between the grip2and the knife main body is changeable whether the cutter holder is engaged from the inside or the outside of the tip portion. When gripping the blood vessel knife1, doctors can easily see the knife main body4due to the second bent portion3a, and the knife main body4diagonally penetrates a blood vessel15to prevent the knife main body4from penetrating a lower blood vessel wall15b.

REFERENCES:
patent: 3893238 (1975-07-01), Scholl
patent: 5342379 (1994-08-01), Volinsky
patent: 5769866 (1998-06-01), Frantzen
patent: 6113616 (2000-09-01), Taylor et al.
patent: 6500187 (2002-12-01), Petersen
patent: 3225620 (1983-02-01), None

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