Surgery – Instruments – Cutting – puncturing or piercing
Patent
1996-11-14
1998-08-11
Buiz, Michael
Surgery
Instruments
Cutting, puncturing or piercing
606167, 606170, 30136, A61B 1732
Patent
active
057921687
ABSTRACT:
The surgical apparatus comprises a needle extending from an end of an elongated shaft and having a sharpened tip. A cylindrical sleeve is concentrically disposed around the shaft and is adapted to move in sliding engagement with the shaft along an axial extent thereof. The needle and the cylindrical sleeve further have respective facing surfaces that are adapted to come into direct contact by movement of the cylindrical sleeve into close proximity with the needle. The facing surfaces define a gripping region therebetween, and by moving the cylindrical sleeve relative to the shaft, the length of gripping region can be varied. The needle permits the formation of an incision through a skin layer adjacent to a varicose vein, and the gripping region can selectively engage the varicose vein to permit removal of a selected portion thereof through the incision.
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Buiz Michael
Lewis William
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