Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1994-07-12
1996-05-28
Thaler, Michael H.
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
606170, 606180, A61B 1732
Patent
active
055206344
ABSTRACT:
The present invention is directed towards a mechanical morcellator which includes a rotatable and relatively retractable cutting head. User manipulation varies the amount the cutting head extends out of a sheath, the amount of suction communicated to the cutting head, and the operation of a motor which rotatably drives the cutting head. Suction is communicated to the cutting head to aspirate the tissue fragmented by the cutting head. The morcellator is adapted to be inserted through a laparoscopic port site and directly fragment and aspirate tissue from within a patient's body. Alternate embodiments of the present invention provide different cutting head extension and retraction devices. The morcellator of the present invention allows removal of tissue without the need for large entry incisions.
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Surgical Laparoscopy & Endoscopy, Laparoscopic Nephrectomy: A Review of 16 Cases, Ralph V. Clayman et al., vol. 2, No. 1, pp. 29-34.
Fox William D.
Parkhurst Harry C.
Coletti Paul A.
Ethicon Inc.
Thaler Michael H.
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