Patent ID: 11904113
Assignee: ROIVIOS LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A ureteral catheter, comprising:
a drainage lumen comprising a proximal portion and a distal portion configured to be positioned in a patient's kidney, renal pelvis, and/or in the ureter adjacent to the renal pelvis, the distal portion comprising a retention portion for maintaining positioning of the distal portion of the drainage lumen, the retention portion comprising at least two openings on a sidewall of the retention portion for permitting fluid flow into the drainage lumen,
wherein a total area of a proximal most opening of the at least two openings is less than a total area of more distal opening(s) nearer to the distal end of the drainage lumen, and wherein when negative pressure is applied through the ureteral catheter, fluid is drawn into the ureteral catheter through the at least two openings.