Bone fastener

Details Bone fastener Bone fastener

A - Human Necessities

61

B

A61B 17/56 (2006.01) A61B 17/04 (2006.01) A61B 17/68 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2092400

2092400 9204874 PCTABS00011 A bone fastener (10) for fixing either a suture (20) or a rivet within a predrilled bone hole includes an expandable sleeve (14) having an axial bore and a pin (12) forcible insertible into the axial bore (18), the expandable sleeve (14) being configured to be insertible into a bore drilled in bone, at least a portion of the pin (12) having an outer diameter greater than the inner diameter of at least a portion of the axial bore. The fastener (10) is emplaced by inserting the sleeve (14) into a predrilled hole in the bone, and then forcing the pin (12) into the axial bore (18), so that the wider portion of the pin (12) presses outward against and expands the narrower portion of the sleeve (14), causing the sleeve (14) to forcibly contact the walls of the bone hole and fixing the pin (12) and sleeve (14) firmly in place within the hole. Also, apparatus (30) for emplacement of such a fastener (10) includes a holder (32) for holding the expandable sleeve (14) in position within the predrilled hole in the bone, and a plunger (40) moveable in relation to the holder (32) for forcing the pin (12) into the bore, so that the pin (12) can be forced into the axial bore (18) without imposing substantial net forces toward or away from the bone.

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