Design and thermo-mechanical analysis of a new NiTi shape memory alloy fixing clip.

Authors :: Nespoli A
Dallolio V
Stortiero F
Besseghini S
Passaretti F
Villa E
Source :: Materials science & engineering. C, Materials for biological applications [Mater Sci Eng C Mater Biol Appl] 2014 Apr 01; Vol. 37, pp. 171-6. Date of Electronic Publication: 2014 Jan 09.
Publication Year :: 2014
Abstract: In this work, a new NiTi shape memory alloy (SMA) bone fixator is proposed. Thanks to the shape memory effect, this device does not need any external tool for the fixation, as the anchorage is obtained only by the self-accommodation of the clip during the parent transformation. Calorimetry and thermo-mechanical tests were used to evaluate the phase transformation temperatures and to estimate the forces generated both during the fixing surgical procedure and after the surgical operation. An application on animal anatomical sample was also performed; an appropriate mechanical tightness as well as a good handiness has been found.<br /> (Copyright © 2014 Elsevier B.V. All rights reserved.)

Subjects :: Alloys chemistry
Materials Testing
Stress, Mechanical
Surgical Instruments
Temperature
Biocompatible Materials chemistry
Nickel chemistry
Titanium chemistry

Language :: English
ISSN :: 1873-0191
Volume :: 37
Database :: MEDLINE
Journal :: Materials science & engineering. C, Materials for biological applications
Publication Type :: Academic Journal
Accession number :: 24582237
Full Text :: https://doi.org/10.1016/j.msec.2014.01.001

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