An endoscope has a removable suction tube to facilitate cleaning and reduce the risk of patient infection. The endoscope includes an elongated flexible probe with a housing at its proximal end to control the direction and operation of the probe and for viewing images carried by optical fibers from the...http://www.google.com.au/patents/US6585642?utm_source=gb-gplus-sharePatent US6585642 - Endoscope with a removable suction tube
