Pin-locked cannulated screwdriver

Details Pin-locked cannulated screwdriver Pin-locked cannulated screwdriver

1994-07-25

1995-10-17

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 96, 606103, A61B 1758

Patent

active

054586046

ABSTRACT:
A pin-locked cannulated screwdriver assembly. A guide pin is secured within a cannulated screwdriver. The guide pin includes a mark for indicating the depth of insertion of an end of the pin. Using the screwdriver, the guide pin can be positioned between one of the cut bone blocks and one of the adjacent bone masses. The cannulated screwdriver is removed from the guide pin, with the guide pin remaining positioned between the one bone block and bone mass. A cannulated interference screw is positioned on the distal end of the screwdriver and the screwdriver and screw are slid over the positioned guide pin. The position of the cannulated screwdriver over the guide pin is then locked. The cannulated interference screw is then positioned at the distal end of the screwdriver, and the entire assembly is inserted between the bone block and bone mass.

REFERENCES:
patent: 2570465 (1951-10-01), Lundholm
patent: 3351054 (1967-11-01), Florek
patent: 5049151 (1991-09-01), Durham
patent: 5141520 (1992-08-01), Goble
patent: 5152765 (1992-10-01), Ross
patent: 5258016 (1993-11-01), Di Poto

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