使用热量计的法可化技巧之间的能量输出变量
Ivan A Cardenas1,2, Reiker G Ricks1,2, Jenna L Jensen1,2
1Department of Ophthalmology and Visual Sciences, John a Moran Eye Center, University of Utah, Salt Lake City, UT, USA.
Medical devices (Auckland, N.Z.)
|October 9, 2025
概括
不同的发热乳化 (phaco) 尖端在白内障手术期间显著影响热能输出. 平衡的尖端产生了最多的热量,而杜威的尖端产生了最少的热量,影响了潜在的热伤害风险.
科学领域:
- 眼科医生 眼科 眼科
- 手术技术 手术技术
- 生物医学工程 生物医学工程
背景情况:
- 发光乳化是一种常见的白内障手术技术.
- 发光乳化尖端产生的热能可以导致眼部组织损伤.
- 了解尖端特定的热输出对于手术安全至关重要.
研究的目的:
- 量化和比较不同发热乳化尖端的热能输出.
- 为了确定尖端设计的变化是否会影响手术期间的热量产生.
主要方法:
- 利用热量计量来测量热能输出.
- 测试了Alcon Centurion与Infiniti OZil手环,使用平衡,混合和Dewey A1迷你提示.
- 标准设置 (100%的功率,连续的扭矩/纵向超声波,0mmHg真空,12mL/分钟的流量) 用于1分钟的试验.
主要成果:
- 在两种超声模式下,在所有测试的尖端之间观察到热能输出 (朱尔) 的显著差异.
- 平衡的尖端显示出最高的热输出;杜威的尖端显示出最低的.
- 纵向模式增加了混合型尖端的热输出,但降低了杜威尖端的热输出.
结论:
- 发热乳化尖端的设计显著影响热能生产.
- 这些发现提供了关于白内障手术期间热损伤的机制的见解.
- 外科医生应考虑尖端特定的热变性,以减轻风险.
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