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The forces within the femoral shaft have been studied in preparation for the total hip replacement. The experimental device consisted of a personal computer connected with a digital enhanced measurement system which converted the data, that was received from the strain gauges, mounted on the femur. The bitochanter hip replacement designed by Ecke was used as an example of a press fit endoprosthesis which is anchored cementless. It was implanted in femora of cadavers. The results showed an extension of the femur at first within the intertrochanteric region, and as the rasp was further implanted, it showed at the distal end of the rasp a medial extension and a lateral traction with a delay of 3 ms, proving that it was a result of a medullary extension. The maximum forces applied with the metal hammer were 3500 N. Fractures and fissures were provoked and the result showed that they were mostly due to a misplacement of the rasp.
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
July 1977,
Archiv fur orthopadische und Unfall-Chirurgie,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
July 1985,
Rozhledy v chirurgii : mesicnik Ceskoslovenske chirurgicke spolecnosti,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
September 1982,
Ortopediia travmatologiia i protezirovanie,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
June 1983,
Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
July 1989,
Beitrage zur Orthopadie und Traumatologie,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
January 1985,
Anaesthesiologie und Reanimation,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
May 1975,
Therapie der Gegenwart,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
November 1990,
Deutsche medizinische Wochenschrift (1946),
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
April 1975,
Beitrage zur Orthopadie und Traumatologie,
U Schmidbauer, and
T Brendel, and
K G Kunze, and
M Nietert, and
H Ecke
January 1988,
Archives of orthopaedic and traumatic surgery. Archiv fur orthopadische und Unfall-Chirurgie,
