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US 2003/0149436 A1Published application
Fixation and compression fastener assembly for bone fractures
OwnerCharles L. McDowell, Winston T. Sanders SR.inventors
Life of this patent
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Abstract
The invention relates to a fastener assembly for repairing a bone fracture having a fastener with a moveable collar and a method for repairing a bone fracture using the fastener assembly to fasten fractured bone pieces together.
Claims26
A fastener assembly for repairing a bone fracture comprising:
- a fastener comprising a tip, a shank having a shank end distal to the tip, and an intermediate section located between the tip and the shank;
- and
- a moveable collar having first and second ends, and a wall having an exterior and a smooth interior surrounding the shank, the collar being located between the intermediate portion and the shank end.
A method of repairing a bone fracture, comprising the steps of:
- providing a fastener comprising a tip, a shank having a shank end distal to the tip, and an intermediate section located between the tip and the shank;
- placing onto the shank a collar having first and second ends, and a wall having an exterior and a smooth interior defining a bore;
- positioning a first bone fragment and a second bone fragment together;
- aligning the tip on the first bone fragment;
- forming a shaft in the first bone fragment;
- inserting the tip and intermediate section through the first bone fragment and into the second bone fragment;
- compressing the first bone fragment and second bone fragment together by moving the collar along the shank to a desired position;
- locking the collar against the shank;
- keeping the bone fragments together after locking the collar;
- and
- allowing the bone fragments to heal.
8 more elements
A fastener assembly kit of parts for repairing a bone fracture comprising:
- fasteners of different diameters, each fastener comprising a tip having cutting means, a shank having a shank end distal to the tip, and a textured intermediate section located between the tip and the shank;
- and
- a collar having first and second ends, and a wall having an exterior and a smooth interior defining a bore.
Dependencies are inferred from the claim text.