Effect of shock wave treatment on femoral prosthesis and cement removal

Jeong K. Kim, Joon B. Park, James Neil Weinstein, John L. Marsh, Yong S. Kim, Stefan A.H. Loening

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The present study has examined the efficacy of shock wave treatment to aid in the removal of bone cement in human cadaver femora after femoral prosthesis implantation. The shock waves were applied to the specimens at four points, in the circumference 90° apart, at three levels. Four hundred shocks were applied at each point with intensity level of 25 kV. Extraction time of the bone cement was significantly (p<0.002) faster in the treated versus untreated control groups. The average extraction time was decreased by 32%. Shock wave treatment also reduced the amount of residual cement inside the bone surface by an average of 55% (p<0.006). The number of shocks needed to remove the prosthesis from bone cement also decreased significantly (p<0.001) after shock wave treatment.

Original languageEnglish (US)
Pages (from-to)451-461
Number of pages11
JournalBio-Medical Materials and Engineering
Volume4
Issue number6
DOIs
StatePublished - Jan 1 1994

Keywords

  • Bone cement
  • Extracorporeal shock wave lithotripsy
  • Extraction
  • Interface
  • Revision total hip joint surgery

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering

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