Lag screw systems and nail systems and methods incorporating the same

Lag screw systems and nail systems and methods incorporating the same

A trochanteric fracture nail system includes: a trochanteric fracture nail and a lag screw system adapted and configured for fixation medially through the trochanteric fracture nail. The trochanteric fracture nail includes: a substantially cylindrical wall defining a longitudinal bore; at least one...

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Hauptverfasser: Leyden, Matthew V, Sweeney, Patrick J
Format: Patent
Sprache:eng
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DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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creator Leyden, Matthew V
Sweeney, Patrick J
description A trochanteric fracture nail system includes: a trochanteric fracture nail and a lag screw system adapted and configured for fixation medially through the trochanteric fracture nail. The trochanteric fracture nail includes: a substantially cylindrical wall defining a longitudinal bore; at least one lateral bore intersecting the longitudinal bore; and a detent on an inner surface of at least one of the at least one lateral bore. The lag screw system includes a lag screw and an interference member. The lag screw includes: an annular body defining a substantially hollow central bore; and a keel located along the annular body. The keel is adapted and configured to substantially lie within an outer profile of the annular body when in a neutral position. The interference member is adapted and configured to displace the keel radially to resist motion of the annular body by engaging with the detent of the trochanteric fracture nail.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title Lag screw systems and nail systems and methods incorporating the same
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