Design and evaluation of a cryogenic soft tissue fixation device — load tolerances and thermal aspects

Lina Rincón, Lukas Schatzmann, Peter Brunner, Hans Ulrich Stäubli, Stephen John Ferguson, Thomas Oxland & Lutz Peter Nolte
Mechanical studies of soft connective tissues often encounter methodological difficulties, particularly in the secure fixation of the tissues. A simple, inexpensive technique which allowed stable cryofixation of soft tissues in uniaxial loading machines was developed. The cryogenic fixation device was evaluated in terms of its fixation strength and the temperature gradients within the tested tissues. Human patellar ligaments and quadriceps tendons were tested successfully to an average failure load of 2219 N (S.D. 448 N)...
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