Shape memory surgical polypectomy tool

Details Shape memory surgical polypectomy tool Shape memory surgical polypectomy tool

A - Human Necessities

61

B

A61B 18/00 (2006.01) A61B 17/22 (2006.01)

Patent

CA 2380689

The present invention relates to surgical instruments and more specifically to surgical instruments for removing polyps and growths from within a patient's body. The surgical instrument of the present invention comprises an electrically conductive probe and a shape memory alloy filament attached to the working end of the electrically conductive probe. The shape memory alloy has a first working position and a second working position and is capable of acquiring the second working position in response to the passage of electrical current flowing through, and elevating the temperature of the filament.

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