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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
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.
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.