Method and device for transporting evacuated blood collection tubes

摘要

The present invention is directed to a retention mechanism for retaining a stopper on a test tube during pressure differentials, as well as a securing element for use therein. The retention mechanism includes a securing element for inhibiting strain between the stopper and the test tube. The present invention is also directed to a method of retaining a stopper on a test tube during pressure differentials. The method includes providing at least one adjustable retaining element and maintaining a force between a first portion and a second portion to maintain the stopper in fixed relation to the top end of the test tube.