A method of removing an obstruction in the biliary duct including the steps of providing a coaxial catheter device comprising an inner catheter having a proximal end and a distal end wherein at least two or more lumens are formed between the proximal end and distal end of the inner catheter. The method...http://www.google.fr/patents/US8029494?utm_source=gb-gplus-shareBrevet US8029494 - Method of removing biliary stones with coaxial catheter device
Method of removing biliary stones with coaxial catheter device
