Abrasive water jet cutting as a new procedure for cutting cancellous bone--in vitro testing in comparison with the oscillating saw

Journal of Biomedical Materials Research. Part B, Applied Biomaterials
K SchwiegerMatthias Honl

Abstract

The quality of bone cuts is assessed by the accuracy and biological potency of the cut surfaces. Conventional tools (such as saws and milling machines) can cause thermal damage to bone tissue. Water jet cutting is nonthermal; that is, it does not generate heat. This study investigates whether the abrasive jet cutting quality in cancellous bone with a biocompatible abrasive is sufficient for the implantation of endoprostheses or for osteotomies. Sixty porcine femoral condyles were cut with an abrasive water jet and with an oscillating saw. alpha-lactose-monohydrate was used as a biocompatible abrasive. Water pressure (pW = 35 and 70 MPa) and abrasive feed rate (m = 0.5, 1, and 2 g/s) were varied. As a measure of the quality of the cut surface the cutting gap angle (delta) and the surface roughness (Ra) were determined. The surface roughness was lowest for an abrasive feed rate of m = 2 g/s (jet direction: 39 +/- 16 microm, advance direction: 54 +/- 22 microm). However, this was still significantly higher than the surface roughness for the saw group (jet direction: 28 +/- 12 microm, advance direction: 36 +/- 19 microm) (p < 0.001 for both directions). At both pressure levels the greatest cutting gap angle was observed for a mass ...Continue Reading

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Citations

Aug 6, 2013·Journal of the Mechanical Behavior of Biomedical Materials·Steven den DunnenGabrielle J M Tuijthof
Jan 28, 2009·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Olivier CartiauxXavier Banse
Jun 28, 2015·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Ashkan RashadJohannes Wikner
Jun 12, 2016·Journal of the Mechanical Behavior of Biomedical Materials·Steven den DunnenGabrielle J M Tuijthof
May 13, 2017·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Eduardo M SueroEmmanouil Liodakis
Apr 4, 2015·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Gurmeet SinghDheeraj Gupta
Oct 11, 2017·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Gurmeet SinghDheeraj Gupta
Mar 19, 2020·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Muhammad JamilQinghua Song

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