Thermal expansion modular femoral head extractor for revision total hip arthroplasty

Raymond P. Robinson, Peter T. Simonian

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Removal of a prosthetic modular femoral head is sometimes desirable during revision hip arthroplasty. A femoral head extractor was designed to heat and expand the prosthetic femoral head, apply a gentle distraction load, and remove the femoral head without injury to the femoral neck, taper, or bone-prosthesis interface. The device was used clinically in six hip revision cases. In five hips with cobalt-chrome heads and titanium alloy tapers, femoral heads were removed successfully; femoral fixation was maintained and femoral components were not visibly damaged. In the sixth case, the female portion of the taper junction was contained in a long femoral head sleeve. Heating the ball did not adequately expand the sleeve to allow easy ball removal.

Original languageEnglish (US)
Pages (from-to)476-479
Number of pages4
JournalThe Journal of arthroplasty
Issue number4
StatePublished - Aug 1995
Externally publishedYes


  • arthroplasty
  • hip
  • modular head
  • revision
  • thermal expansion

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery


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