Patent ID: 8992465
Filing Date: 2015-03-31
Classification: A61B,A61M

Abstract:
1. A needleless injector comprising: a body at a proximal end; a shaft extending distally from the body, the shaft comprising an outer surface extending along its length; at least one injection orifice at a distal end of the shaft in fluid communication with a fluid chamber at the proximal end through a fluid channel that extends along a longitudinal axis of the shaft, wherein the at least one injection orifice extends in an injection direction from the fluid channel to the outer surface of the shaft; a pressure source in communication with the fluid chamber; and an injection orifice positioning structure located at the distal end of the shaft proximal to the injection orifice, wherein the positioning structure provides pressure when in a deployed configuration to move the at least one injection orifice in the injection direction and into contact with tissue of the urethra; wherein the distal end comprising the injection orifice positioning structure and injection orifice is positionable within a urethral lumen between a first position in which the injection orifice positioning structure is undeployed and a second position in which the injection orifice positioning structure is deployed so that tissue of the urethra is tensioned at a location for injection of fluid from the injection orifice into the tissue of the urethra.