灵活和可航行的吸入接入盖:平衡盖和范围尺寸为所需的流量
Richard Menzies-Wilson1, Jessica Williams2, Thijs Ruiken1
1Nuffield Department of Surgery, University of Oxford, Oxford, UK.
BJU international
|September 26, 2025
概括
灵活和可航行吸收 (FANS) 接入允许在尿路镜检查期间保持较高的灌压力和流量,同时保持较低的肠内压力 (IRP). 与重力灌相比,这种技术在没有吸入的情况下可以显著增加流体流量.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 最少侵入性的手术
- 脏生理学 脏生理学
背景情况:
- 尿路透镜需要足够的灌来保持可见性和减少热损伤.
- 在尿路透镜检查期间,内压力 (IRP) 可能会增加,对功能构成风险.
- 优化灌参数对于有效和安全的尿路透镜程序至关重要.
研究的目的:
- 为了研究尿道镜直径,灵活可航的吸管 (FANS) 接入口直径和灌压力对IRP和流体流速的影响.
- 将ex vivo基准数据与数学建模预测进行比较.
- 为了确定最佳的灌参数,在尿路透镜检查期间保持安全的IRP.
主要方法:
- 使用ex vivo猪来评估不同尿管镜和FANS尺寸的影响.
- 在没有吸气的情况下,灌压力从0到200mmHg不等.
- 记录了内压力 (IRP) 和稳定状态流量,并与数学模型进行了比较.
主要成果:
- 风扇和尿道镜几何学显著影响出流阻力和可实现的流量.
- 使用11/13-F FANS,保持IRP≤30 mmHg允许高达120mL/分钟的流量,使用6.3-F尿管镜.
- 使用较小的尿路望远镜和FANS罩,可以实现更高的灌压力和流量,同时保持低的IRP.
结论:
- 在骨中使用FANS可提高灌压力,降低IRP的流量,即使没有吸.
- 在手术期间的IRP监测可以引导灌压力的增加,潜在地实现比重力灌高出24倍的流量.
- 这种方法提供了一个有前途的方法来提高灌效率和尿道镜中的安全性.
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