Harvester

Details Harvester Harvester

2007-01-16

2007-01-16

Truong, Kevin T. (Department: 3734)

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

Reexamination Certificate

active

10359607

ABSTRACT:
A device is disclosed to remove veins from the body. These can be unwanted varicose veins or healthy veins of the arms and legs used for bypasses or fistula formation. This device has a handle for the purpose of rotation and advancement of the instrument. This handle is attached to an elongated semi rigid shaft of various lengths. At the remote end of this shaft is the tip of the instrument comprised of a cylindrical shape device with an outward angle of various degrees. This tip is advanced with rotational move around the vein to separate the vein from surrounding tissue and also to cut the tributaries without damaging the wall of the vein. The shaft can be hollow to allow insertion of a long needle for the purpose of injection and local anesthesia.

REFERENCES:
patent: 5133360 (1992-07-01), Spears
patent: 6193653 (2001-02-01), Evans et al.
patent: 6328749 (2001-12-01), Kalmann et al.

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