Patent ID: 11918754
Assignee: ROIVIOS LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 23:
24. A ureteral catheter, comprising:
an elongated tube comprising a proximal end, a distal end, and a sidewall extending between the proximal end and the distal end of the tube defining at least one drainage lumen extending through the tube, wherein a proximal portion of the elongated tube is essentially free of or free of drainage holes; and
a retention portion which defines a three-dimensional shape to inhibit tissue of the ureter or renal pelvis from occluding the at least one drainage lumen at the distal end of the elongated tube upon application of negative pressure through the drainage lumen, wherein the three-dimensional space defined by the retention portion encloses at least a portion of the distal end of the elongated tube.