Published in

American Society of Mechanical Engineers, Journal of Medical Devices, 1(8), p. 014508

DOI: 10.1115/1.4026289

Links

Tools

Export citation

Search in Google Scholar

Investigation of Squeaking in Pyrolytic Carbon Proximal Interphalangeal Joint Implants

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

Full text: Unavailable

Green circle
Preprint: archiving allowed
Green circle
Postprint: archiving allowed
Red circle
Published version: archiving forbidden
Data provided by SHERPA/RoMEO

Abstract

One commonly reported complication of pyrolytic carbon arthroplasty at the proximal interphalangeal (PIP) joint is an annoying, painless, squeaking postoperatively. This squeak has been anecdotally associated with implant loosening or impending dislocation. The purpose of this study was to investigate the etiology of this squeaking. Proximal and distal components of the pyrolytic carbon PIP implant were inserted into foam bones and mounted onto an oscillating test device. We evaluated the effect of 96 combinations of load, velocity, contact angle, implant size, lubrication, and displacement amplitude over a total of 300 cycles for each condition. Sound analysis was performed on squeaking conditions. Fourteen conditions resulted in squeaking, all with a sound pattern similar to that noted clinically. Unlubricated, “dry” joints did not squeak. Squeaking most commonly occurred with fetal bovine serum lubrication, at higher loads, and at 0 deg hyperextension. Hyaluronic acid viscosupplementation stopped the squeaking in all cases.