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US 10,945,745 B2Granted
Variable curve jig for an intramedullary device
AssigneeGrampian Health Board
InventorAlan Johnstone
Life of this patent
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Abstract
The present invention relates to an apparatus for affixing intramedullary devices in a body. In particular the apparatus comprises a jig affixable to an intramedullary nail. There is also provided a method of determining the position of holes to be drilled through a bone which align with holes in the nail.
Claims19
An assembly comprising an apparatus for affixing an intramedullary device having a curved longitudinal profile, and the intramedullary device, the apparatus comprising:
- a jig affixable to the intramedullary device at a proximal end, the jig comprising:
- a guide arm having a proximal end and a distal end, the distal end being movable relative to the intramedullary device, the distal end movable between a non-aligned position in which the distal end is laterally spaced from a distal end of the intramedullary device, and an aligned position in which the distal end is aligned with the distal end of the intramedullary device, and
- a second arm biased away from the guide arm in the aligned position;
- a drill guide suitable for guiding an affixment towards the distal end of the intramedullary device,
- an alignment adjuster to adjust an alignment of the guide arm relative to a longitudinal axis of the intramedullary device,
- wherein in the non-aligned position, a longitudinal profile of the guide arm is curved between the proximal end and the distal end, wherein the curve of the longitudinal profile of the guide arm varies between the non-aligned position and the aligned position.
3 more elements
Dependencies are inferred from the claim text.