Intramedullary canal seal for cement pressurization

Details Intramedullary canal seal for cement pressurization Intramedullary canal seal for cement pressurization

A - Human Necessities

61

F

128/41

A61F 5/00 (2006.01) A61F 2/30 (2006.01) A61F 2/46 (2006.01) A61F 2/36 (2006.01)

Patent

CA 1191759

INTRAMEDULLARY CANAL SEAL FOR CEMENT PRESSURIZATION Abstract A novel cannula is disclosed for use in the application of bone cement to the prepared intra- medullary canal of a bone prior to the cementation of a surgical implant therein. The novel cannula comprises a hollow tube adapted to slidingly receive the nozzle of a bone cement extruder, an inflatable cuff surrounding the tube, and means to inflate the cuff. In operation, the inflated cuff forms a seal against the wall of the intramedullary canal, thereby preventing escape of cement through the open end of the prepared canal and insuring that the applied cement is properly pressurized within the canal. As a result, a highly secure cementation of the surgical implant within the intramedullary canal is achieved.

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