Endoscope with pullable anal tube

Abstract

The utility model relates to medical instrument technical field discloses a kind of pullable anal canal for endoscope.The utility model anal canal body has the passage for liquid drainage, while pull line passes through the passage;Passage is close to the inner mouth and is designed with pull line limiting device;Endoscope operation can reach predetermined position by biopsy forceps clamp pull pull line to anal canal;Pull line passes through the passage in limiting device, limiting device and anal canal passage are weakly fixed connection, when receiving strong pulling, it can be separated, and it is convenient to remove pull line from anal canal passage;Anal canal inner mouth is designed hose part, while guaranteeing the support of anal canal, reduce the risk of anal canal front end injury intestinal wall in operation;Anal canal outer mouth plug is weakly fixed connection by plug connecting end and anal canal connecting end, when pulling, it can be separated, convenient operation;The utility model anal canal surface is designed with scale, can accurately observe anal canal depth of insertion, accurately and intuitively observe whether anal canal slips off etc. after operation.

Images