Title:
DEVICE FOR SPINE OPERATION UNDER ARTHROSCOPE AND SPINE OPERATION METHOD USING SAID DEVICE
Document Type and Number:
Japanese Patent JPH06296620
Kind Code:
A
Abstract:
PURPOSE: To provide access to predetermined areas of the spinal column for an arthroscope and a device for performing desired surgical procedure by comprising an inner passageway for instruments and a tissue manipulating surface on its end, arranging a cannula insatiable in the area adjacent the patient's spinal column and extending the tissue manipulating surface outwardly in the radius direction from the cannula. CONSTITUTION: A cannula 10 has an inner cannular passageway 12 for inserting an endoscope and the fluid necessary for the correct use thereof, an end 16 enlarged necessarily for inserting a viewing device and an acuminate end 16. A cutting end 20 of an inner end 18 extends outwardly in the radius direction on the opposite side of the cannula 10 and to the cannula from the end 20, and has a wall 22 for raising the strength and accuracy of the distal end and the cutting end. The cutting end 20 curves around the cannula 10 along the outer surface of the end streaming smoothly from the body to the cutting end 20. The wall 22 positioned at an end of the cannula has an opening partially linked to the passageway 12.
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Inventors:
DEIBITSUDO II SHIYAPIRO
Application Number:
JP3848094A
Publication Date:
October 25, 1994
Filing Date:
March 09, 1994
Export Citation:
Assignee:
SMITH & NEPHEW RICHARDS INC
International Classes:
A61B17/56; A61B17/32; A61B17/34; A61F2/30; A61F2/46; A61B17/00; A61B17/28; A61F2/36; (IPC1-7): A61B17/56; A61F2/30; A61F2/46
Attorney, Agent or Firm:
Shintaro Nogawa