This catheter comprises at least one tube and preferably two tubes. These tubes are, at one of their ends, parallel and open out into an inflatable balloon and are, at their opposite ends, independent and extend through an end member and terminate beyond the end member in a flared end portion. The latter...http://www.google.es/patents/US4202346?utm_source=gb-gplus-sharePatente US4202346 - Catheter for the examination or treatment of a blood vessel and apparatus for the utilization of this catheter
Catheter for the examination or treatment of a blood vessel and apparatus ...
