Boston Scientific Swiss LithoClast Select Mode D'emploi page 34

If the probe has become too tight during the course of the procedure
The Ultrasound Handpiece must be fully disassembled for each
then disconnect the distal protective cap by screwing counter clockwise.
sterilization.
Then use the 8 mm wrench to provide counter tension to allow the
probe to be loosened and removed.
28
FB-389_US_ed_2009-12 User man US handpiece BSC.indd 28 6/3/2015 2:32:08 PM