An apparatus and method for cleaning the objective lens of a laparoscope, endoscope, or coeloscope during surgery and also removing the solution and debris during and after the cleaning. The result is obtained by using a rigid hollow split sheath for the scope. The split sheath has two separate channels....http://www.google.fr/patents/US6354992?utm_source=gb-gplus-shareBrevet US6354992 - Automated laparoscopic lens cleaner