In vitro evaluation of percutaneous drainage catheters | 合法醫療器材資訊網
由DHBallard著作·2018·被引用6次—Affiliations.1Mallinckrodtinstituteofradiology,Washingtonuniversityschoolofmedicine,510S.KingshighwayBoulevard,CampusBox8131,63110St.Louis, ...
Purpose: To evaluate the effect of catheter connections on drainage catheters flow rate.
Materials and method: The in vitro model used commercially available catheters (8.5-F, 10.2-F, 12-F, and 14-F), connections - Luer-lok (2.33mm inner diameter), and stopcocks (1.33mm, 2.00mm, and 2.67mm inner diameters), water, ultrasound gel, textured vegetable protein (TVP) 2-mm particles, and collection bags. Plain water, viscous fluid (30% ultrasound gel solution in water), or water/viscous fluid with TVP were placed in collection bags and drained by gravity through each of the catheters and each connection. The flow rate was measured, recorded, and compared for each catheter and each connection as well as to the control flow rate of the catheters without connections. Ten one-minute trials were performed, and the mean flow rates were analyzed using Student t-test and Pearson correlation coefficient.
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