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Wolynski JG, Sutherland CJ, Demir HV, Unal E, Alipour A, Puttlitz CM, McGilvray KC. Utilizing Multiple BioMEMS Sensors to Monitor Orthopaedic Strain and Predict Bone Fracture Healing. J Orthop Res 2019; 37:1873-1880. [PMID: 31042313 PMCID: PMC6688915 DOI: 10.1002/jor.24325] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 04/08/2019] [Indexed: 02/04/2023]
Abstract
Current diagnostic modalities, such as radiographs or computed tomography, exhibit limited ability to predict the outcome of bone fracture healing. Failed fracture healing after orthopaedic surgical treatments are typically treated by secondary surgery; however, the negative correlation of time between primary and secondary surgeries with resultant health outcome and medical cost accumulation drives the need for improved diagnostic tools. This study describes the simultaneous use of multiple (n = 5) implantable flexible substrate wireless microelectromechanical (fsBioMEMS) sensors adhered to an intramedullary nail (IMN) to quantify the biomechanical environment along the length of fracture fixation hardware during simulated healing in ex vivo ovine tibiae. This study further describes the development of an antenna array for interrogation of five fsBioMEMS sensors simultaneously, and quantifies the ability of these sensors to transmit signal through overlaying soft tissues. The ex vivo data indicated significant differences associated with sensor location on the IMN (p < 0.01) and fracture state (p < 0.01). These data indicate that the fsBioMEMS sensor can serve as a tool to diagnose the current state of fracture healing, and further supports the use of the fsBioMEMS as a means to predict fracture healing due to the known existence of latency between changes in fracture site material properties and radiographic changes. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:1873-1880, 2019.
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Affiliation(s)
- Jakob G. Wolynski
- Orthopaedic Bioengineering Research Laboratory, Departments of Mechanical Engineering and School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Conor J. Sutherland
- Orthopaedic Bioengineering Research Laboratory, Departments of Mechanical Engineering and School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Hilmi Volkan Demir
- LUMINOUS! Center of Excellence for Semiconductor Lighting and Displays, Microelectronics Division, School of Electrical and Electronics Engineering, and Physics and Applied Physics Division, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore
| | - Emre Unal
- Departments of Electrical and Electronics Engineering and Physics, UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey
| | - Akbar Alipour
- School of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Christian M. Puttlitz
- Orthopaedic Bioengineering Research Laboratory, Departments of Mechanical Engineering and School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA
| | - Kirk C. McGilvray
- Orthopaedic Bioengineering Research Laboratory, Departments of Mechanical Engineering and School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA.,Corresponding Author: Kirk McGilvray, Ph.D.; ; 1374 Campus Delivery, Fort Collins, CO 80523. Office: 970-491-1319
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Bayoglu R, Okyar AF. Implementation of boundary conditions in modeling the femur is critical for the evaluation of distal intramedullary nailing. Med Eng Phys 2015; 37:1053-60. [DOI: 10.1016/j.medengphy.2015.08.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 08/08/2015] [Accepted: 08/12/2015] [Indexed: 10/23/2022]
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