The drainage catheter hub includes a locking cam for securing a suture to maintain an anchor configuration of the distal end of the drainage catheter. The locking cam is rotatable to a first position for securing the suture and a second position for releasing the suture. The locking cam includes a tapered...http://www.google.es/patents/US7641630?utm_source=gb-gplus-sharePatente US7641630 - Drainage catheter hub with locking cam
