Thesis
Vibratory insertion and extraction of surgical implants
Washington State University
Master of Science (MS), Washington State University
2006
Handle:
https://hdl.handle.net/2376/102342
Abstract
Intramedullary structural implants, commonly called nails, can be inserted through a patient’s fractured bone to align the bone fragments, speed up the healing process, and give it strength while it heals. The procedure for insertion of the nails into the fractured bone requires drilling a small hole at the top of the bone and pushing the nail through the hole. Pushing the nail through the hole in the bone necessitates using a T-handle tool for the orthopaedic surgeon to grip because of the amount of force required. However, even with the T-handle tool, applying the necessary force to get the nail to slide through the bone hole can be strenuous and present difficulties for the surgeon performing the operation. The concept of using vibratory excitation to reduce the force and time required for insertion of the nail is evaluated. Proof of concept is demonstrated through experimentation and engineering analysis. Correlations are shown between the results of the experimentation and engineering analysis to prove that vibration does reduce insertion and extraction force by as much as 73%. Both transverse and axial vibrations are demonstrated to be effective and the most effective forcing frequencies for each of these vibration types are determined. The effectiveness of a frequency sweep during insertion is also evaluated. The conclusion of the thesis is that a vibratory excitation device can be used to facilitate easy implant insertion during orthopaedic surgeries.
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Details
- Title
- Vibratory insertion and extraction of surgical implants
- Creators
- Jeff E. Scott
- Contributors
- William C. Kinsel (Degree Supervisor)
- Awarding Institution
- Washington State University
- Academic Unit
- Mechanical and Materials Engineering, School of
- Theses and Dissertations
- Master of Science (MS), Washington State University
- Publisher
- Washington State University; [Pullman, Washington] :
- Identifiers
- 99900525172501842
- Language
- English
- Resource Type
- Thesis