US Patent 7833204 Intramedullary access or infusion devices

Intramedullary access or infusion devices that includes a tubular conduit having a distal end and a proximal end with a length sufficient to pass through the cortical region to the cancellous region of a bone; a flange circling the outside of the proximal end of the conduit; and a penetrable diaphragm positioned within the tubular conduit, are described. The devices may be placed in bone and later used, for example, as a site for administering a pharmacologically active agent.