Patent ID: 9113935
Filing Date: 2015-08-25
Classification: A61B

Abstract:
1. A tip element for a lithotripter, the tip element comprising: a proximal end configured for attachment to a waveguide of the lithotripter, the lithotripter comprising an evacuation lumen, the evacuation lumen capable of supporting active suction; a distal end configured for placement against at least one urinary tract stone, the lithotripter transmitting energy from the tip element to the at least one urinary tract stone to break up the at least one urinary tract stone into fragments; a tip element passage extending between the proximal end and the distal end, the tip element passage communicating with a lumen of the waveguide for at least one of suctioning and irrigating a urinary tract, the tip element having at least one slot with angled sides extending from the distal end towards the proximal end along the length of the slot; and an insert positioned in the tip element passage, the insert including a sharp distal most edge, wherein the distal end has one or more sharp edges to maintain contact between the at least one urinary tract stone and the distal end during active suction.