Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion
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United States of America Patent
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Feb 13, 2024
Grant Date -
N/A
app pub date -
Jun 7, 2021
filing date -
Jul 20, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A ureteral catheter includes a drainage lumen including a proximal portion configured to be positioned in at least a portion of a patient's urethra and/or bladder 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 including a retention portion for maintaining positioning of the distal portion of the drainage lumen, the retention portion including two or more openings on a sidewall of the retention portion for permitting fluid flow into the drainage lumen, wherein a number of the openings nearer to a distal end of the retention portion is greater than a number of the opening(s) nearer to a proximal end of the retention portion.
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