Patent ID: 8231632

Claim:
A cannulated surgical screw adapter, providing a secure connection between a head of an externally threaded cannulated surgical screw and a syringe filled with a bone filler cement, to inject the bone filler cement through a longitudinal bore in said cannulated surgical screw into a bone void within a bone undergoing a surgical repair, said adapter comprising: an upper member defining an external lateral thread, an upper syringe receiving collar, a lower cannulated head nipple and a central bore from said upper syringe receiving collar to said cannulated head nipple, and a lower member defining an internal threaded inner cavity receiving said external lateral threads of said upper member, a bottom portion defining a contoured head cradle, and a lower circular screw neck support, and a lateral cannulated screw insertion port, wherein a lower end of said syringe is secured within said upper syringe receiving collar at an upper end of said central bore while said head of said cannulated surgical screw is inserted through said lateral cannulated screw insertion port into said contoured head cradle, said upper member then inserted into said internal threaded inner cavity until said lower cannulated head nipple is secured within said longitudinal bore of said cannulated surgical screw to inject said bone filler cement through said central bore of said upper member into said longitudinal bore into the bone void within which said cannulated surgical screw has been installed.