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Related Experiment Videos

Three-corner wrist fusion using memory staples.

Roger P van Riet1, Gregory I Bain

  • 1Modbury Public Hospital, Adelaide, Australia, University Hospital Antwerp, Antwerp, Belgium. gregbain@gregbain.com.au

Techniques in Hand & Upper Extremity Surgery
|December 13, 2006
PubMed
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This study presents a 3-corner wrist fusion technique using memory staples for advanced carpal collapse, offering retained wrist articulation and improved motion. The method achieves excellent fusion rates for challenging wrist conditions.

Area of Science:

  • Orthopedic Surgery
  • Hand and Wrist Surgery
  • Reconstructive Surgery

Background:

  • Scapholunate dissociation with advanced collapse (SLAC), scaphoid nonunion advanced collapse (SNAC), and lunotriquetral advanced collapse (LTAC) represent complex carpal pathologies.
  • Current treatment options for these conditions are varied and often present challenges in achieving optimal outcomes.

Purpose of the Study:

  • To describe a novel 3-corner wrist fusion technique utilizing memory staples.
  • To evaluate the efficacy and advantages of this surgical approach for advanced carpal collapse.

Main Methods:

  • A 3-corner wrist fusion technique involving resection of the scaphoid and triquetrum, followed by fusion of the capitate to the lunate.
  • Preparation of conforming bone surfaces and utilization of autologous bone graft from resected carpal bones.

Related Experiment Videos

  • Application of dynamic compressive fixation using memory staples.

    • Main Results:

    • The procedure retains anatomical articulation between the lunate and the radial fossa.
    • Improved ulnar deviation is achieved through triquetrum resection.
    • Excellent fusion rates between the lunate and capitate are reported due to dynamic fixation, conforming surfaces, and bone grafting.

    Conclusions:

    • The described 3-corner wrist fusion with memory staples offers a viable solution for SLAC, SNAC, and LTAC wrist deformities.
    • This technique provides significant advantages including preserved radiocarpal articulation, enhanced ulnar deviation, and high fusion success.
    • Memory staples facilitate dynamic compression, contributing to robust bone fusion and favorable clinical outcomes.