Hip fixation with load-controlled dynamization
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United States of America Patent
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Dec 27, 2016
Grant Date -
Nov 12, 2015
app pub date -
May 7, 2015
filing date -
May 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
System, including methods and apparatus, for hip fixation with load-controlled dynamization. In exemplary embodiments, the system may comprise a fixation element, such as a screw, configured to be placed into a proximal femur of a subject, with a leading end of the fixation element anchored in a head of the proximal femur. The system also may comprise a stop member configured to be connected (e.g., via a nail or plate) to the proximal femur. The system further may comprise a deformable member configured to be irreversibly deformed by compressive force exerted on at least a portion of the deformable member by the fixation element and the stop member in response to a load applied to the proximal femur by the subject, such that the fixation element and the stop member move relative to one another parallel to a long axis of the fixation element.
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