Graft bone fixation tool

Details Graft bone fixation tool Graft bone fixation tool

A - Human Necessities

61

B

A61B 17/68 (2006.01) A61B 17/88 (2006.01) A61F 2/08 (2006.01) A61B 17/86 (2006.01)

Patent

CA 2191372

Disclosed is an improved screw member adapted to be threaded into a gap between two bone parts in BTB tendon transfer surgical operations, and a fixation tool for engaging the screw member. The screw member typically consists of a hollow cylindrical member comprising an axial bore having a hexagonal cross section, and an outer circumferential surface provided with a strictly straight thread. The fixation tool comprises a transmission shaft having an intermediate section having a hexagonal cross section complementary to that of the axial bore of the screw member. Because the transmission shaft is entirely passed through the axial bore of the screw member, the torque for turning the screw member can be positively transmitted to the screw member, and the transmission shaft provides a positive guide action for the insertion of the screw member. The transmission shaft may be either axially slidably but rotatively integrally engaged to a handle grip or integrally attached to a handle grip.

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