Patent ID: 9743943
Date: 2017-08-29
CPC Classifications: A61B,A61M

Claim:
1. A method comprising: introducing a housing into a lumen in a ureteral access sheath that is positioned in a lumen in a living body, the housing possessing an interior with a rotatable impeller positioned in the interior of the housing, the housing including an open inlet and an open outlet; moving the housing in a forward direction in the lumen in the ureteral access sheath toward a distal end of the ureteral access sheath; positioning the housing in the lumen in the ureteral access sheath so that the open inlet of the housing is adjacent calculus in the lumen of the ureteral access sheath, with the calculus located between the distal end of the ureteral access sheath and the open inlet of the housing; rotating the impeller in the interior of the housing while the housing is located adjacent the calculus in the lumen of the ureteral access sheath to draw the calculus into the housing; and removing the housing from the ureteral access sheath while the calculus remains in the housing.