Analysis of retrieved hemiresurfacing implant

Kendall M. Bieschke, Marc W. Hungerford, Lynne C. Jones

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The aim of this study was to examine the bony interface underlying a femoral hemiresurfacing implant. The specimen was subjected to radiographic and histologic analyses. The presence of a cement mantle was not uniform throughout the interface. When cement was evident, trabecular bone was found interdigitated within the mantle. When cement was not present, a fibrous tissue membrane was detected between the metal surface of the implant and the host bone. Disruption of the bone stock surrounding the stem was observed. While the reason for the revision was for relief of severe pain for acetabular chondrolysis, bony support of the implant may have been compromised.

Original languageEnglish (US)
Title of host publicationTechnical Papers of ISA - Biomedical Sci. Instrumentation Vol. 44
Subtitle of host publicationTech. Papers of the Proc. 45th Annual Rocky Mountain Bioeng. Symp. 45th Int. ISA Biomedical Sci. Instrumentation Symp. 2008
Pages79-83
Number of pages5
StatePublished - 2008
Event45th Annual Rocky Mountain Bioengineering Symposium and 45th International ISA Biomedical Sciences Instrumentation Symposium 2008 - Copper Mountain, CO, United States
Duration: Apr 4 2008Apr 6 2008

Publication series

NameTechnical Papers of ISA
Volume472

Other

Other45th Annual Rocky Mountain Bioengineering Symposium and 45th International ISA Biomedical Sciences Instrumentation Symposium 2008
Country/TerritoryUnited States
CityCopper Mountain, CO
Period4/4/084/6/08

Keywords

  • Biologic response
  • Cement
  • Metal
  • Orthopaedic implant

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Computer Science Applications

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