相关实验视频

Updated: Jun 20, 2025

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

Published on: January 16, 2019

使用LithoVueTM精英:不同灌系统和工作通道仪器的影响

Lucas B Vergamini¹, Wilson R Molina¹, Willian Ito²

¹Department of Urology, The University of Kansas Health System, 3901 Rainbow Boulevard, Mail Stop #3016, Kansas City, KS, 66160, USA.

World journal of urology

|July 18, 2024

概括

与自动相比,单一动作系统 (SAPS) 在柔性尿道镜检查过程中显示了较高的肠内压力 (IRP) 和流量 (FR). 增加的压力和更小的尿路接入 (UAS) 与更高的IRP和FR相关.

科学领域:

泌尿器科泌尿器科泌尿器科泌尿器科
内分泌病学在内分泌病学.
医疗器械技术医疗器械技术

背景情况:

柔性尿路透镜是治疗结石的关键手术.
优化内压力 (IRP) 和流量 (FR) 对于程序的安全性和有效性至关重要.
不同的灌系统和配件可能会影响这些参数.

研究的目的:

在柔性尿路透镜检查期间评估实时的IRP和FR.
为了比较各种灌方法 (IM),工作通道占用者 (WCO) 和尿道接入罩 (UAS).
用LithoVueTM Elite尿管镜和不同的灌系统,包括自动来评估性能.

主要方法:

使用猪脏模型测量IRP和FR,使用LithoVue精英尿管镜测量IRP和FR.
测试的灌方法包括单动作抽水系统 (SAPSTM),Thermedx FluidSmartTM和不同压力 (50,100,150 mmHg) 的 ENDOMATTM.
评估了不同的工作通道占用者 (篮子,激光纤维) 和尿管接入罩 (11/13Fr,12/14Fr).

主要成果:

在所有测试的尿道镜设置中,SAPS系统相比自动的IRP和FR总是更高.
增加压力与IRP和FR正相关 (rho > 0.9).
较大的工作通道占用者和尿道接入显著降低了IRP和FR,特别是自动化.

结论:

在灵活的尿路透镜检查过程中,SAPS灌系统提供了比自动更高的IRP和FR.
更高的压和更小的UAS增加了IRP和FR,而更大的WCO则降低了它们.
这些发现有助于选择最佳的灌策略和配件,以管理肠内压力和流量.

关键词:

自动的自动化.数字尿管镜 (digital ureteroscope) 是一种用于检查尿液的仪器.内压力内压力内压力这里是LithoVue精英的精英.乌罗石质病是一种质病.

更多相关视频

Meso-Scale Particle Image Velocimetry Studies of Neurovascular Flows In Vitro

Meso-Scale Particle Image Velocimetry Studies of Neurovascular Flows In Vitro

Published on: December 3, 2018

Micro-particle Image Velocimetry for Velocity Profile Measurements of Micro Blood Flows

Published on: April 25, 2013

相关概念视频

Gradually Varying Flow

Gradually Varying Flow

Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...

Rapidly Varying Flow

Rapidly Varying Flow

Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...

Design Example: Design of an Irrigation Channel

Design Example: Design of an Irrigation Channel

Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...