[li] Patent Number: 5,335,671 [45] Date of Patent: Aug. 9,1994
United States Patent m
Clement
[54] TISSUE REMOVAL ASSEMBLY WITH
PROVISION FOR AN ELECTRO-CAUTERY
DEVICE
[75] Inventor: Thomas P. Clement, Bloomington, Ind.
[73] Assignee: Mectra Labs, Inc., Bloomfleld, Ind. [21] Appl. No.: 956,601 [22] Filed: Oct. 5,1992
Related U.S. Application Data
[63] Continuation-in-part of Sen No. 830,580, Feb. 4, 1992, which is a continuation-in-part of Ser. No. 580,945, Sep. 11, 1990, which is a continuation-in-part of Ser. No. 432,084, Nov. 6, 1989, Pat. No. 5,019,054.
[51] Int. CI.* A61B 10/00
[52] U.S. CI 128/753; 604/22
[58] Field of Search 128/751-755;
606/14-16, 170, 171; 604/22
[56] References Cited
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Primary Examiner—Max Hindenburg
Attorney, Agent, or Firm—Barnes & Thomburg
[57] ABSTRACT
A surgical assembly for removal of body tissue in a patient, comprising: a cutting mechanism utilizing a moveable cutter cooperating with a cutting surface on a cannula insertable and positionable at a desired location in a patient by a rigidly coupled conduit piece rigidly attached to the cannula. The conduit piece connected to a vacuum source through a valve rigidly coupled to the conduit piece for removing cut body tissue. The rigidly connected valve, conduit piece, and cannula positioned by a hand of the user to direct and locate the cutter at the desired location in the patient while at the same time permitting a digit of the hand to control the valve or to control the cutter.
37 Claims, 5 Drawing Sheets
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