Patent ID: 8382804
Filing Date: 2013-02-26
Classification: A61B,Y10T

Abstract:
1. A disposable medical device, especially an articulation element for the relative positioning of fixation bars, rods or pins of an external fixator, comprising: first and second clamping jaws, each jaw having a bore therethrough which bores are aligned, the bores defining circumferential walls inside each jaw; a locking element having a shaft extending through the aligned bores in the first and second clamping jaw, the locking element shaft having a bracket element mounted thereon, the bracket element has an engagement portion thereon, the engagement portion having a first shape at a temperature lower than a threshold temperature wherein the bracket engagement portion is spaced from the circumferential wall of at least one of the jaws at the temperature lower than the threshold temperature, and having a second shape which engages the circumferential wall of the at least one jaw at a temperature higher than the threshold temperature.