SYMPOSIA PAPER Published: 01 January 1989

Intramedullary Fixation of Unstable Trochanteric Fractures of the Hip


The Küntscher Y-nail is a two-piece intramedullary device used in the management of unstable trochanteric fractures. The Y-nail consists of a Küntscher intramedullary nail and a fenestrated femoral neck component. This device offers distinct biomechanical and clinical advantages when compared with the compression hip screw, blade-plate device, or other intramedullary fixation.

This retrospective study evaluated 137 patients with unstable fractures of the hip. Results were evaluated by specific criteria: pain, extremity shortening, range of motion, deformity, and ambulatory status. Management with the Y-nail resulted in 36% excellent, 44% good, 16% fair, and a 4% poor result. Clinical experience with this technique resulted in a short operative time, limited blood loss, decreased soft tissue trauma, and early patient ambulation.

The Küntscher Y-nail may provide a favorable alternative to other methods used for stabilization of fractures of the proximal femur.

Author Information

Henry, SL
University of Louisville School of Medicine, Louisville, KY
Koenig, T
Hahnemann University, Philadelphia, PA
Rosenberg, S
Luthern Hospital, Fort Wayne, IN
Seligson, D
University of Louisville School of Medicine, Louisville, KY
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Developed by Committee: F04
Pages: 137–151
DOI: 10.1520/STP10375S
ISBN-EB: 978-0-8031-5073-7
ISBN-13: 978-0-8031-1181-3