A stress wave-based health monitoring concept on a novel osseointegrated endoprosthesis design

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

Abstract

A continuous quantitative osseointegration measurand will facilitate evaluation of the implant structural integrity upon installation and its through-life assessment. It can potentially promote shorter patient's rehabilitation and early mobilisation. This paper presents a stress wave approach to assess the degree of osseointegration of a novel implant when applied to a long bone (e.g. femur). This study computationally investigates the viability of using stress wave propagation in a new custom-made implant. This work was conducted using aluminium surrogate models of bones and implants. The Young's Modulus of a 1 mm layer between the bone and design is varied from 1% to 100% (fully osseointegrated) of the parent material to simulate the osseointegration process. A normal force input comprising of a 1MHz triangular pulse was excited at one of the extramedullary struts. The degree of osseointegration was assessed using two sensors located on the adjacent and furthest struts. The study shows an osseointegration index is formulated by using engineering and ultrasonic methods to potentially help evaluate the unification of a bone and implant.

Original languageEnglish
Title of host publicationProceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018
EditorsZhongqing Su, Shenfang Yuan, Hoon Sohn
PublisherNDT.net
Pages138-146
Number of pages9
ISBN (Electronic)9783000603594
Publication statusPublished - 1 Jan 2018
EventAsia-Pacific Workshop on Structural Health Monitoring 2018 - Hong Kong, Hong Kong
Duration: 12 Nov 201815 Nov 2018
Conference number: 7th

Publication series

NameProceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018

Workshop

WorkshopAsia-Pacific Workshop on Structural Health Monitoring 2018
Abbreviated titleAPWSHM 2018
CountryHong Kong
CityHong Kong
Period12/11/1815/11/18

Keywords

  • Finite element
  • Novel prosthesis design
  • Osseointegration
  • Stress wave

Cite this

Vien, B. S., Chiu, W. K., Russ, M., & Fitzgerald, M. (2018). A stress wave-based health monitoring concept on a novel osseointegrated endoprosthesis design. In Z. Su, S. Yuan, & H. Sohn (Eds.), Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018 (pp. 138-146). (Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018). NDT.net.
Vien, B. S. ; Chiu, W. K. ; Russ, M. ; Fitzgerald, M. / A stress wave-based health monitoring concept on a novel osseointegrated endoprosthesis design. Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018. editor / Zhongqing Su ; Shenfang Yuan ; Hoon Sohn. NDT.net, 2018. pp. 138-146 (Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018).
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title = "A stress wave-based health monitoring concept on a novel osseointegrated endoprosthesis design",
abstract = "A continuous quantitative osseointegration measurand will facilitate evaluation of the implant structural integrity upon installation and its through-life assessment. It can potentially promote shorter patient's rehabilitation and early mobilisation. This paper presents a stress wave approach to assess the degree of osseointegration of a novel implant when applied to a long bone (e.g. femur). This study computationally investigates the viability of using stress wave propagation in a new custom-made implant. This work was conducted using aluminium surrogate models of bones and implants. The Young's Modulus of a 1 mm layer between the bone and design is varied from 1{\%} to 100{\%} (fully osseointegrated) of the parent material to simulate the osseointegration process. A normal force input comprising of a 1MHz triangular pulse was excited at one of the extramedullary struts. The degree of osseointegration was assessed using two sensors located on the adjacent and furthest struts. The study shows an osseointegration index is formulated by using engineering and ultrasonic methods to potentially help evaluate the unification of a bone and implant.",
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Vien, BS, Chiu, WK, Russ, M & Fitzgerald, M 2018, A stress wave-based health monitoring concept on a novel osseointegrated endoprosthesis design. in Z Su, S Yuan & H Sohn (eds), Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018. Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018, NDT.net, pp. 138-146, Asia-Pacific Workshop on Structural Health Monitoring 2018, Hong Kong, Hong Kong, 12/11/18.

A stress wave-based health monitoring concept on a novel osseointegrated endoprosthesis design. / Vien, B. S.; Chiu, W. K.; Russ, M.; Fitzgerald, M.

Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018. ed. / Zhongqing Su; Shenfang Yuan; Hoon Sohn. NDT.net, 2018. p. 138-146 (Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018).

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

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Vien BS, Chiu WK, Russ M, Fitzgerald M. A stress wave-based health monitoring concept on a novel osseointegrated endoprosthesis design. In Su Z, Yuan S, Sohn H, editors, Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018. NDT.net. 2018. p. 138-146. (Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018).