Intramedullary intertrochanteric fracture fixation appliance

Details Intramedullary intertrochanteric fracture fixation appliance Intramedullary intertrochanteric fracture fixation appliance

1993-11-08

1995-10-03

Brown, Michael A.

Surgery

Instruments

Orthopedic instrumentation

606 64, A61B 1756

Patent

active

054548136

ABSTRACT:
An intramedullary intertrochanteric fracture fixation appliance has an intramedullary rod having an angulated opening to receive a femoral neck screw. The femoral neck screw has a threaded portion at its proximal end of predetermined diameter. A locking element is provided which acts between the neck screw and the wall of the angulated opening to prevent relative rotation between the screw and the rod.

REFERENCES:
patent: 3433220 (1969-03-01), Zickel
patent: 4095591 (1978-06-01), Graham
patent: 4103683 (1978-08-01), Neufeld
patent: 4432358 (1984-02-01), Fixel
patent: 4465065 (1984-08-01), Gotfried
patent: 4612920 (1986-09-01), Lower
patent: 4622959 (1986-11-01), Marcus
patent: 4628923 (1986-12-01), Medoff
patent: 4641640 (1987-02-01), Griggs
patent: 4653487 (1987-03-01), Maale
patent: 4657001 (1987-04-01), Fixel
patent: 4697585 (1987-10-01), Williams
patent: 4733654 (1988-03-01), Marino
patent: 4776330 (1988-10-01), Chapman
patent: 5007910 (1991-04-01), Anapliotis
patent: 5032125 (1991-07-01), Durham
patent: 5176681 (1993-01-01), Lawes
Synthes `Dynamic Implant Screw System` Institut Straumann AG, Waldenburg, CH, Bettlach, Ch Apr. 1989.
Blueprints of Howmedica's "Dennis Modified Zickel Rod" Sold in the 1970's.
Plus European Search Report for the corresponding EPO case.

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