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US 11,696,773 B2Granted
Guided punch for talar augments
AssigneeWright Medical Technology, Inc.
InventorsElizabeth J. Phelps, Robert M. Howles
Life of this patent
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Abstract
A guided punch is disclosed. The guided punch generally comprises a strike cap comprising a strike surface, a punch comprising a distal cutting edge, and a guide rod. The strike cap defines a first cavity therein. The punch defines a second cavity therein in communication with the first cavity. The guide rod is located within the first and second cavities and extends a predetermined distance beyond the distal cutting edge of the punch. The strike cap and the punch are moveable relative to the guide rod.
Claims7
A guide punch assembly comprising:
- a strike cap having a proximal strike surface, a downwardly projecting perimeter lip located at a distal end, and defining a first cavity;
- a punch coupled to the distal end of the strike cap and abutting the downwardly projecting perimeter lip, the downwardly projecting perimeter lip projecting radially outwardly from an outer perimeter of a reaming section of the punch, the punch comprising a distal reaming edge, wherein the punch defines a second cavity that is in communication with the first cavity;
- an inset gripping surface that extends about the perimeter of the guide punch assembly, the inset gripping surface being positioned between the proximal end of the strike cap and the distal end of the strike cap;
- and
- a cylindrical guide pin located within the first and second cavities and extending a predetermined distance beyond a distal cutting edge of the punch, the cylindrical guide pin having a projecting shaft with a distal tip and a radially projecting proximal lip, wherein the strike cap and the punch are moveable relative to the cylindrical guide pin.
2 more elements
Dependencies are inferred from the claim text.