Surgery – Instruments – Cutting – puncturing or piercing
Patent
1997-04-10
1999-04-13
Lewis, William
Surgery
Instruments
Cutting, puncturing or piercing
604 22, A61B 1732
Patent
active
058938621
ABSTRACT:
Apparatus to remove tissue. The apparatus has an outer cannula and an inner cannula received within the outer cannula. The cannula are longitudinally movable relative to each other. There is an abutment at the end of one cannula to contact the other cannula. A drive permits advancing of the other cannula to contact the abutment whereby tissue between the other cannula and the abutment is removed. The invention finds particular application in removable of lens tissue from the eye of a human or other animal.
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McDougall Ian
Pratt Arthur William
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