Patent ID: 7708742
Filing Date: 2010-05-04
Classification: A61B,A61F

Abstract:
1. A method comprising accessing cancellous bone through a subcutaneous access path in soft tissue, forming a cavity in cancellous bone including providing a cavity forming tool, advancing the cavity forming tool through the subcutaneous access path into cancellous bone, and manipulating the cavity forming tool to form the cavity, delivering a measured volume of bone filling material into the cavity through the subcutaneous access path including providing a nozzle having an interior bore defining an interior volume sized for containing bone filling material for delivery into the cavity, and advancing the nozzle through the subcutaneous access path, and, subsequent to the delivering step, forming a nested instrument while clearing residual bone filling material from the interior bore including providing an auxiliary tool that can be manipulated independently of the nozzle, and advancing the auxiliary tool through the interior bore of the nozzle, and then tamping residual bone filling material out of the access path and into the cavity by moving the nested instrument, defined by the nozzle and the auxiliary tool disposed therein, distally through the access path.