Patent ID: 6551300
Filing Date: 2003-04-22
Classification: A61M

Abstract:
A device for delivering a topically applied anesthetic agent to a wall forming a passage in tissue comprising a flexible elongate cylindrical member having proximal and distal extremities, said member being sized so that it can be inserted into the passage, a balloon mounted in the distal extremity of the flexible elongate cylindrical member, said member having a lumen extending from the proximal extremity to the distal extremity and a balloon inflation port in the member in communication with the balloon and the lumen in the member for inflating and deflating the balloon and means including at least one port proximal of the balloon for supplying an anesthetic agent through the port to the wall along at least the distal extremity of the member for a sufficient period of time to anesthesize the wall and the tissue surrounding the wall wherein other medical devices can be inserted thereafter into the passage without substantial pain to the patient.