Patent ID: 9259517
Filing Date: 2016-02-16
CPC Classification: A61F,A61L,A61M

Claim Text:
1. A ureteral stent comprising a proximal portion, a distal portion, a central portion, and a proximal retention structure configured to retain the proximal portion in the urinary bladder, said proximal retention structure comprising a first reservoir for storing a pressurized first fluid that comprises a first urologically beneficial drug, wherein the central portion is dimensioned and configured to fit the ureter of a human patient, wherein the central portion comprises a urine drainage lumen that extends from the proximal portion to the distal portion, wherein the central portion further comprises a first drug lumen that extends from the proximal portion to the distal portion and that is in fluid communication with the first reservoir, wherein the distal portion is configured to occupy the renal pelvis of the human patient and comprises one or more outlets that provide fluid communication between the first drug lumen and an exterior of the distal portion, and wherein the first reservoir comprises a balloon.