US Patent 8062270 Method and device for delivering medicine to bone

A device for implantation within a bone is provided. The device includes a first end, a second end, and a shaft connecting the first and second ends. The shaft defines a cannulation extending along at least a portion of the length of the shaft. The device includes a seal coupled to the shaft, and the seal includes an inner surface facing the cannulation of the shaft. The seal is configured to provide access to the cannulation following implantation of the device within a bone, and the seal is configured to self-seal after access is provided to the cannulation.