Patent ID: 9445852
Filing Date: 2016-09-20
CPC Classification: A61B,A61F,A61M

Claim Text:
1. A system for treating a bone, comprising: an insert for a bone screw comprising: a shaft extending between proximal and distal ends of the insert, wherein the shaft comprises an opening in the proximal end and is closed at the distal end, and a cannulation extending from the opening through at least a portion of the shaft, wherein the shaft further comprises a fenestration disposed along the cannulation such that the cannulation is configured to provide a pathway for a substance between the opening and the fenestration; and a cap fastened to and sealing the opening in the proximal end of the shaft and adjoining the cannulation, wherein the cap is configured to provide access by a needle through the cap to the cannulation following implantation of the system within the bone and is further configured to self-seal after the needle is removed; wherein the insert comprises a threaded coupling portion on the shaft configured to engage with a compatible threaded coupling portion of the bone screw to fasten the insert and the bone screw together.