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[Ender nailing--an attempt at determining the position].

K Benz1, M Jasarevic, M Rüb

  • 1Chirurgische Abteilung des Kreiskrankenhauses, Lichtenfels.

Unfallchirurgie
|June 1, 1991
PubMed
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The Ender-nail implant offers effective operative treatment for hip-joint fractures by aligning with physiological forces. This method allows for earlier patient mobilization following femur fracture repair.

Area of Science:

  • Orthopedic surgery
  • Biomechanics of bone fractures
  • Surgical implant technology

Background:

  • Femoral head fractures are initially subjected to bending forces (compression and traction), followed by torsion and shear.
  • Optimal surgical treatment for hip-joint fractures requires implants that respect anatomical conditions and physiological force transmission.

Purpose of the Study:

  • To evaluate the efficacy of the Ender-nail in operative treatment of femur fractures near the hip-joint.
  • To assess the Ender-nail's ability to align with physiological force flow and anatomical conditions.

Main Methods:

  • Retrospective case series analysis.
  • Utilized the Ender-nail implant in 346 patients with coxal end femur fractures.
  • Focused on implant positioning relative to force fields and fixation within the femur shaft.

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Main Results:

  • The Ender-nail's axial positioning and elastic fixation align with physiological force transmission.
  • The implant's design facilitates adherence to anatomical conditions in hip-joint fracture treatment.
  • Early patient mobilization is achievable with this treatment approach.

Conclusions:

  • The Ender-nail is a suitable implant for operative treatment of hip-joint fractures.
  • Its biomechanical properties support early weight-bearing and patient recovery.
  • The study supports the use of the Ender-nail based on 346 patient cases.