Patent ID: 8246690

Claim:
A ureteral stent, comprising: an elongate member configured to be disposed within a urinary tract of a patient, the elongate member defining a lumen configured to convey urine from a first portion of the urinary tract of the patient to a second portion of the urinary tract of the patient, the elongate member having a distal end portion, a proximal end portion, and a medial portion disposed between the distal end portion and the proximal end portion, the distal end portion including a retention member configured to help retain at least a portion of the elongate member within a kidney of the patient, the distal end portion being formed of a non-dissolving material and being devoid of a dissolving material, the proximal end portion including a retention member configured to help retain at least a portion of the elongate member within a bladder of the patient, the proximal end portion including a dissolving portion and a non-dissolving portion, the non-dissolving portion having a plurality of pores, the dissolving portion being disposed within the non-dissolving portion and being configured to dissolve in response to being exposed to a bodily fluid for a period of time, the non-dissolving portion being substantially stable in the bodily fluid, the pores of the non-dissolving portion being configured to convey fluid from a location outside of the lumen defined by the elongate member to a location within the lumen defined by the elongate member only after the period of time.