Methods for purging a balloon catheter of air. An inflation fluid is inserted into a balloon and an inflation lumen of a balloon catheter. The inflation lumen is in fluid communication with the balloon. The balloon catheter is positioned in an inverted orientation with a distal end thereof disposed below a proximal end thereof. The distal end of the balloon catheter includes a balloon. A vibration source is positioned in direct contact with an outer surface of the balloon catheter. The balloon catheter is vibrated via the vibration source. A vacuum is applied or pulled on the inflation lumen of the balloon catheter. The steps of vibrating the balloon catheter and applying the vacuum are performed simultaneously.
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