Anterior ankle approach system and method
AssigneeWright Medical Technology, Inc.
InventorsRamon Luna, Meghan Kubacki, Terrance W. Strohkirch
Life of this patent
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Abstract
A method of ankle replacement includes forming an anterior cut in a bone and forming a stem hole in a distal end of the bone. The stem hole is formed using a plurality of broaches positioned against the distal end of the bone through the anterior cut. A first portion and a second portion of a stem implant are inserted into the stem hole through the anterior cut in the bone. The first portion is coupled to the second portion using a coupling device inserted through the anterior cut in the bone. The stem implant is impacted into the stem hole using an offset impactor.
Claims8
An offset impactor, comprising
- an offset shaft including a longitudinal section having a first transverse arm extending from a first end and a second transverse arm extending from a second end, and wherein the first transverse arm and the second transverse arm define a spacing therebetween;
- an impactor head configured to be coupled to the first transverse arm, the impactor head configured to receive an impaction force;
- and
- an impactor body configured to be coupled to the second transverse arm via a spring-locking mechanism and including a shaft loaded by a dampening spring that moves between an initial first position and a second position by the impaction force to reduce the impaction force, wherein the impaction force is transferred from the first transverse arm to the second transverse arm by the longitudinal section, and wherein the impactor head is configured to convert the impaction force to a linear impaction force.
Dependencies are inferred from the claim text.