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Related Experiment Videos

Removal of broken distal interlocking screws.

R S VanderWilde1, D G Lewallen, P J Papagelopoulos

  • 1Department of Orthopedics, Mayo Graduate School of Medicine, Rochester, Minnesota.

Orthopaedic Review
|September 1, 1992
PubMed
Summary

This study introduces a novel technique for removing broken distal interlocking screws. A guide-wire punch drives screws through bone and tissue, avoiding larger incisions and stress risers.

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Implant retrieval

Background:

  • Broken distal interlocking screws complicate fracture fixation.
  • Current removal methods, like trephine over-cutting, cause bone damage and enlarge screw holes.

Purpose of the Study:

  • To present a minimally invasive technique for removing broken distal interlocking screws.
  • To leverage screw design and bone characteristics for easier retrieval.

Main Methods:

  • A novel guide-wire punch technique is described.
  • The method drives screws through the medial cortex and soft tissue.
  • Removal is achieved via a small medial incision.

Main Results:

  • The technique offers a less invasive alternative to traditional methods.
  • It avoids the need for extensive bone exposure.
  • It minimizes enlargement of the original screw hole, reducing stress risers.

Conclusions:

  • This guide-wire punch method provides an effective and bone-sparing approach for broken distal interlocking screw removal.
  • It represents a significant advancement in orthopedic implant retrieval procedures.

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