Surgery – Instruments – Cutting – puncturing or piercing
Patent
1990-03-22
1992-06-16
Wilson, John J.
Surgery
Instruments
Cutting, puncturing or piercing
433 91, 433114, 604 22, 604318, A61B 1732
Patent
active
051221535
ABSTRACT:
A rotating bur is disposed in a small-diameter tissue removing suction tube to grind tissue drawn into an entrance end of the tube. The bur includes a grinding head recessed from the entrance end, and is closely spaced between the internal sidewalls of the suction tube to grind tissue entrained into the tube. The entrance end of the suction tube includes an annular sharp edge to facilitate removal of tissue strands from a tissue mass. The ground tissue is then conducted through the suction tube by the suction, and discharged into a remotely located container.
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