An ingenious way to replace a valve on a trocar cannula

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=xKBHq-ymNAk

This short video shows a simple and ingenious way to replace a valve onto a trocar cannula. I learnt this from Fjodorow Center Yekaterinburg, Russia.

trocar cannula, valve, Ulrich Spandau
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