体外比较 5 种一次性柔性输尿管镜的机械和光学特性。

Phirawat Phromprathum, S. Srinualnad, S. Leewansangtong, T. Taweemonkongsap, Kittipong Phinthusophon, S. Jitpraphai, Patkawat Ramart, V. Woranisarakul, C. Suk-ouichai, Thawatchai Mankongsrisuk, T. Hansomwong, Kantima Jongjitaree, E. Chotikawanich
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摘要

简介一次性(一次性)柔性输尿管镜是可重复使用输尿管镜的替代品。一次性输尿管镜在处理上尿路结石时具有卓越的手术效果和安全性,旨在克服传统可重复使用输尿管镜的主要局限性。然而,有关最新开发的一次性柔性输尿管镜性能的研究却很少。本研究旨在比较最近推出的几种一次性柔性输尿管镜的体外性能。方法对五种一次性柔性输尿管镜进行了体外测试,以评估其机械和光学特性。为此,对它们的偏转度、灌注流速和图像质量进行了研究。接受测试的型号包括 Innovex US31-B12、OTU-100RR、Redpine RP-U-C12、Sciavita SUV-2A-B 和 Seplou URS3016E。结果在一次性输尿管镜中,OTU 设备的偏转度最高,环直径最小。一次性输尿管镜在 1 厘米距离上的图像分辨率相同。结论在测试的一次性输尿管镜中,OTU 设备的机械性能最好,因为它的环直径小、偏转角度大、灌流损失低。在光学特性方面,所有 5 种一次性使用型输尿管镜在 1 厘米成像距离下的分辨率相同。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
In vitro comparison of the mechanical and optical characteristics of 5 disposable flexible ureteroscopes.
INTRODUCTION Disposable (single-use) flexible ureteroscopes are alternatives to reusable ureteroscopes. With their superior surgical efficacy and safety in the presence of upper urinary calculi, disposable ureteroscopes aim to overcome the main limitations of conventional reusable ureteroscopes. However, studies on the performance of the most recently developed models of single-use flexible ureteroscopes are scarce. This study aimed to compare the in vitro performance of several recently introduced, single-use, flexible ureteroscopes. METHODS Five disposable flexible ureteroscopes were tested in vitro to evaluate their mechanical and optical characteristics. To this end, their degrees of deflection, irrigation flow rates, and image qualities were investigated. The models examined were Innovex US31-B12, OTU-100RR, Redpine RP-U-C12, Sciavita SUV-2A-B, and Seplou URS3016E. Their performance was also compared with that of a reusable flexible ureteroscope, Olympus URV-F. RESULTS The OTU device had the highest degrees of deflection and the smallest loop diameter of the disposable ureteroscopes. The single-use ureteroscopes had identical image resolutions at a distance of 1 cm. The Innovex and Redpine devices had the best color representation. CONCLUSIONS Of the tested disposable ureteroscopes, the OTU device had the best mechanical attributes, given its small loop diameter, high deflection angles, and low irrigation flow loss. As to their optical properties, the resolutions of all 5 single-use models were identical at an image distance of 1 cm.
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