Peri-prosthetic fracture vibration testing

Jesse Cruce, Jenny Erwin, Kevin Remick, Phillip Comwell, R. Meneghini, Joe Racanelli

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

1 Citation (Scopus)

Abstract

The purpose of this study was to establish a test setup and vibration analysis method to predict femoral stem seating and prevent bone fracture using accelerometer and force response data from ain instrumented stem and impactor. This study builds upon earlier studies to identify a means to supplement a surgeon's tactile and auditory senses by using damage identification techniques normally used for civil and mechanical structures. Testing was conducted using foam cortical shell sawbones prepared for stems of different geometries. Each stem was instrumented with an accelerometer. Two impactor designs were compared: a monolithic impactor and a two-piece impactor, each with an integrated load cell and accelerometer. Acceleration and force measurements were taken in the direction of impaction. Comparisons between different methods of applying an impacting force were made, including a drop tower and a surgical hammer. The effect of varying compliance on the data was also investigated. The ultimate goal of this study was to assist in the design of an integrated portable data acquisition system capable of being used in future cadaveric testing. This paper will discuss the experimental setup and the subsequent results of the comparisons made between impactors, prosthetic geometries, compliances, and impact methods. The results of this study can be used for both future replicate testing as well as in a cadaveric environment.

Original languageEnglish
Title of host publicationConference Proceedings of the Society for Experimental Mechanics Series
Pages207-225
Number of pages19
Volume6
StatePublished - 2011
Event29th IMAC, a Conference on Structural Dynamics, 2011 - Jacksonville, FL, United States
Duration: Jan 31 2011Feb 3 2011

Other

Other29th IMAC, a Conference on Structural Dynamics, 2011
CountryUnited States
CityJacksonville, FL
Period1/31/112/3/11

Fingerprint

Prosthetics
Accelerometers
Testing
Acceleration measurement
Geometry
Force measurement
Hammers
Vibration analysis
Towers
Foams
Data acquisition
Bone
Compliance

ASJC Scopus subject areas

  • Engineering(all)
  • Computational Mechanics
  • Mechanical Engineering

Cite this

Cruce, J., Erwin, J., Remick, K., Comwell, P., Meneghini, R., & Racanelli, J. (2011). Peri-prosthetic fracture vibration testing. In Conference Proceedings of the Society for Experimental Mechanics Series (Vol. 6, pp. 207-225)

Peri-prosthetic fracture vibration testing. / Cruce, Jesse; Erwin, Jenny; Remick, Kevin; Comwell, Phillip; Meneghini, R.; Racanelli, Joe.

Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 6 2011. p. 207-225.

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

Cruce, J, Erwin, J, Remick, K, Comwell, P, Meneghini, R & Racanelli, J 2011, Peri-prosthetic fracture vibration testing. in Conference Proceedings of the Society for Experimental Mechanics Series. vol. 6, pp. 207-225, 29th IMAC, a Conference on Structural Dynamics, 2011, Jacksonville, FL, United States, 1/31/11.
Cruce J, Erwin J, Remick K, Comwell P, Meneghini R, Racanelli J. Peri-prosthetic fracture vibration testing. In Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 6. 2011. p. 207-225
Cruce, Jesse ; Erwin, Jenny ; Remick, Kevin ; Comwell, Phillip ; Meneghini, R. ; Racanelli, Joe. / Peri-prosthetic fracture vibration testing. Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 6 2011. pp. 207-225
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