Radially expandable intramedullary nail
AssigneeSynthes USA, LLC
InventorsStephan Perren, Markus Hehli
Life of this patent
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Abstract
The invention is related to an intramedullary nail for fixation of a fractured bone having a medullary canal. The intramedullary nail may comprise a first radially expandable section provided in a proximal section adjacent to the head of the intramedullary nail, a second radially expandable section provided in the distal section adjacent to the tip of the intramedullary nail, and a non-expandable middle section provided between said two radially expandable sections of the intramedullary nail. The head may provide a distraction mechanism, by means of which said two radially expandable sections are distractible transverse to said longitudinal axis.
Claims20
An intramedullary nail having a head, a tip, and a longitudinal axis for fixation of a fractured bone having a medullary canal, the intramedullary nail comprising:
- a first radially expandable section adjacent to the head;
- a second radially expandable section adjacent to the tip;
- and
- a non-expandable section disposed between the first and second radially expandable sections.
The intramedullary nail of claim 12, wherein the locking element comprises a shaft with a thread in a proximal section and a projection forming an abutment in the distal section.
Dependencies are inferred from the claim text.