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Ultrasonic technology in revision joint arthroplasty
R C Klapper1, J T Caillouette, J J Callaghan
1University of Southern California School of Medicine, Los Angeles.
Clinical Orthopaedics and Related Research
|December 1, 1992
Summary
Ultrasonic tools safely and effectively remove cement and prostheses during revision joint arthroplasty. This technology offers faster removal times and preserves bone integrity compared to traditional methods.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
- Materials Science
Background:
- Revision joint arthroplasty presents challenges in removing cemented components.
- Traditional methods can be time-consuming and may risk bone damage.
Purpose of the Study:
- To evaluate the development and efficacy of ultrasonically driven tools for revision joint arthroplasty.
- To assess the safety and performance of ultrasonic tools in cement and prosthesis removal.
Main Methods:
- Laboratory investigation including whole bone torsional strength studies.
- Histologic analysis using an in vivo canine model.
- Clinical evaluation of 20 surgical cases over seven years.
Main Results:
- Ultrasonic cement removal showed no decrease in bone torsional strength.
- Ultrasonic tools were significantly faster than traditional manual tools.
- Histologic studies confirmed no adverse effects on endosteal bone.
Conclusions:
- Ultrasonic tools are safe and efficacious for cement and prosthesis removal in revision arthroplasty.
- The technology facilitates surgery, reduces operative time, and minimizes bone trauma.
- No cortical perforations or necessity for cortical windows in all cases were observed.