1
Demetrios D Raftopoulos, James D Baril, Glenn Reimer: Expandable intramedullary nail for the fixation of bone fractures. The University of Toledo, Fraser Barker Purdue & Clemens, June 12, 1984: US04453539 (164 worldwide citation)

The present invention relates to an improved expandable intramedullary nail for the fixation of bone fractures. The nail includes an elongate sleeve having one end adapted to be inserted within the medullary cavity of the bone. The one end of the sleeve is formed of a predetermined maximum retracted ...


2
Demetrios D Raftopoulos, James D Baril: Expanding intramedullary nail. The University of Toledo, Vincent L Barker Jr, August 8, 1989: US04854312 (75 worldwide citation)

An intramedullary nail for the fixation of bone fractures is formed of two slidably engaging elongate members. One of the members includes an articulated channel which serves to bend the other member to form an expanding end region within the bone cavity to achieve fixation therein.


3
Demetrios D Raftopoulos, James D Baril: Method of and device for placing a barrier in a cavity provided in a bone shaft. July 6, 1982: US04337773 (43 worldwide citation)

An appropriately shaped cavity, formed in a cut femoral bone shaft, is provided with a barrier or plug in its distal portion so that a cement in its liquid state may be injected into the cavity under pressure for causing the cement to flow into the small interstices of the bone forming the cavity.