Suction downbiter

Details Suction downbiter Suction downbiter

1993-06-30

1994-07-12

Graysay, Tamara L.

Surgery

Truss

Pad

128754, 606171, A61B 1732, A61B 1000

Patent

active

053278968

ABSTRACT:
A surgical instrument for the simultaneous resection and aspiration of tissue. The instrument includes a hollow handpiece, a pistol grip and a pivotally mounted trigger. An elongated hollow barrel is removably supported in the handpiece. The wall of the barrel includes an aperture at its distal end which forms a first, fixed cutting edge. An elongated hollow rod having a second cutting edge is movably disposed within the barrel. During operation, the distal end of the barrel is inserted into the surgery site, such that the aperture in the wall of the barrel is adjacent the tissue to be resected. The trigger is actuated to move the rod, so that the second cutting edge moves toward and closely past the first fixed cutting edge of the barrel, severing the tissue. The handpiece of the instrument includes a suction connection to which a suction source can be attached to aspirate the resected tissue from the surgery site.

REFERENCES:
patent: 3844272 (1974-10-01), Banko
patent: 4084594 (1978-04-01), Mosior

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