ArticleUrolithiasis2025
Optimizing infusion-suction diameter ratio (ISDR) in ureteroscopy: in vitro pressure and flow prediction and management.
Article in Urolithiasis, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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Authors and funding
11 authors.
Funding
Abstract
To optimize channel configurations for a flexible ureteroscope incorporating both irrigation and suction channels, in vitro experiments were conducted with the aim of achieving safer and more efficient surgical procedures. Upper urinary tract models with integrated pressure-sensing ports were constructed based on CT urography reconstructions. Functional ureteroscope prototypes with various combinations of infusion and suction channel diameters were developed. Using a controlled constant-pressure irrigation system, intrarenal pressure measurements were obtained from the upper, middle, and lower calyces, as well as the renal pelvis. The effects of varying infusion pressures on irrigation flow rates and intrarenal pressure distribution were assessed. Regression models were subsequently established for renal pelvic pressure (RPP) and irrigation flow rate, allowing for the determination of the optimal channel diameter configuration by integrating model predictions with clinical requirements. At an infusion pressure of 500 cmH
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