Patent ID: 9125636
Filing Date: 2015-09-08
Classification: A61B,A61M

Abstract:
1. An endoluminal device for insertion into a body lumen of a patient, the endoluminal device comprising: a tubular member having at least one lumen formed therein to receive an endoscopic instrument and an opening communicating with the lumen; and a chamber at a distal portion of the device, the chamber including first, second and third connected flexible retractor elements and a covering over a portion of the flexible retractor elements to form with the flexible retractor elements an at least partially enclosed chamber with an access opening in the chamber to access target tissue, the second and third flexible retractor elements connected at a distal portion of the second and third flexible retractor elements and movable from a first non-expanded position for insertion into the body lumen of the patient to a second expanded position to create an increased working space and increased viewing space within the body lumen for performance of a procedure on the target tissue, the first flexible retractor element providing a stiffened structure along the chamber to stabilize the chamber, wherein the first flexible retractor element includes a flexible tube, and the device further includes a rigid rod slidable into the flexible tube, the rigid rod being a straight component of rigid material to maintain the first flexible retractor element in a rigid and straight condition.