Tubular surgical cutting instruments

Details Tubular surgical cutting instruments Tubular surgical cutting instruments

A - Human Necessities

61

B

A61B 17/32 (2006.01)

Patent

CA 2089810

A surgical instrument for use in endoscopic surgical procedures having an outer elongated tubular member and a concentric inner elongated tubular member positioned in and rotatable within the outer tubular member having an opening in its distal end and the inner tubular member having a cutting edge positioned at its distal end so as to coincide with and be exposable through the opening in the outer tubular member to effect the cutting of tissue and the removal of tissue by aspiration, a coating of a metal from the group consisting of silver and gold extending substantially around the circumferential surface of at least one of the outer surface of the inner tubular member or the inner surface of the outer tubular member, the metallic coating from the group consisting of silver and gold being of such thickness and extending a sufficient distance along the axial length of the member.

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