Inherently safe water jet dissector

Master thesis (2014)

Authors

Contributors

J. Dankelman (mentor)
E.R. Valstar (mentor)
Programme
BME (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2014 De Glopper, M.
Inherent safety Aseptic loosening Water jet Dissector Hip refixation surgery
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Published Date

14-03-2014

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Programme

BME

Abstract

Aseptic loosening is the major failure mode for hip prostheses. Currently, loosened prostheses are revised during open surgery. Because of a high complication rate, this demanding procedure cannot be performed in patients with a poor general health. We are developing an alternative minimally invasive refixation procedure that leaves the prostheses in place, but relies on removing the interface membrane and replacing it with bone cement. This thesis describes the design considerations and challenges for a water jet dissector for removal of the interface membrane in a minimally invasive hip refixation surgery.