Patent ID: 7766920
Filing Date: 2010-08-03
Classification: A61B

Abstract:
1. A method of installing a bone screw in bone, comprising: providing at least a first screw and a second screw, each screw comprising a cannulation; providing a screwdriver comprising a first end and a second end, a drilling blade disposed on the first end, and a shaft shaped to rotationally engage the cannulations of at least the first screw and the second screw; rotationally engaging the cannulations of at least the first screw and the second screw with the shaft of the screwdriver; rotating the drilling blade of the screwdriver against the surface of a bone; continuing rotation of the drilling blade until the first screw is fully engaged in the bone; and removing the screwdriver from the cannulation of the first screw after the first screw is securely engaged in the bone while retaining the second screw.