Patent ID: 9265865
Filing Date: 2016-02-23
CPC Classification: A61F,A61L,A61M,G01N

Claim Text:
1. A medical device, comprising: a ureteral stent including an elongate body, the elongate body being configured to be disposed within a urinary tract of a patient such that a first curved retention member of the elongate body is disposed in a kidney of the patient to help retain the medical device in place within the urinary tract and a second curved retention member of the elongate body is disposed in a bladder of the patient to help retain the medical device in place within the urinary tract, the elongate body defining a lumen, the lumen being configured to convey urine from the kidney to the bladder; a release element including a base member and a barrier member, the barrier member disposed around the base member, the barrier member formed with a biodegradable material, the barrier member and the base member collectively defining a reservoir therebetween; a liquid agent disposed within the reservoir, the agent formulated to visually alter urine of the patient upon degradation of the barrier member by contact with the patient's urinary tract or urine therein; and a tether having a first end portion coupled to the second curved retention member of the elongate body and a second end portion coupled to the release element, the tether being configured to allow the release element to move with respect to the elongate body.