BALLOON ACCESS DEVICE WITH FEATURES FOR ENGAGING AN ENDOSCOPE

摘要

A balloon access device for use with an endoscope is disclosed. A transparent balloon attached to the distal end of the endoscope allows a user to both separate collapsed intestinal tissue and visualize the path of the endoscope without administering insufflation gas to the collapsed area of a patient. The attachment of the balloon to the endoscope is achieved by the various embodiments of the balloon access device disclosed herein.

主权项

1. A balloon access device for use with an endoscope, the endoscope comprising an operative channel with a distal opening and a visualization channel:
a) wherein the balloon is inflatable or deflatable, and has a proximal end, and a distal end having a dome portion; b) wherein the proximal end of the balloon includes a collar, the collar comprising a proximal elongated projecting portion and a base portion located distal to the projecting portion, and wherein the projecting portion is configured to project proximally within the operative channel;
i) wherein the proximal elongated projecting portion has a central long axis; andii) wherein the size of at least two cross sections of the proximal elongated projecting portion differ when taken perpendicular to the central long axis; and c) wherein at least a portion of the proximal end of the balloon is configured for positioning over the visualization channel when the projecting portion projects within the operative channel such that imaging using the endoscope visualization channel includes the transmission of light through the proximal and distal ends of the balloon.