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在人类尸体骨中对振动声桥头 (SH-) 合器的实验量化量化

Lukas Graf¹, Jonas Lochner², Hamidreza Mojallal²

¹ENT Department, University Hospital Basel, Basel, Switzerland.

International journal of audiology

|December 9, 2024

概括

新的头 (SH) - 合器为Vibrant Soundbridge植入物提供了与头 (LP) - 合器相比更好的声音传输,特别是在更高的频率下. 这为缺乏incus.的患者提供了可行的替代方案.

科学领域:

耳鼻喉科耳鼻喉科耳鼻喉科
生物医学工程生物医学工程
听力植入物听力植入物

背景情况:

振动声桥植入器的浮式质量传感器 (FMT) 传统上附着在长过程 (LP) 上.
对于没有骨的患者,振动造形Clip合器附着在头 (SH) 上,但其高度可能会导致耳膜接触.
一个新的SH-合器降低了高度,但改变了刺激角度,需要进行性能评估.

研究的目的:

为了比较新的SH-coupler与传统LP-coupler的声音传输大小和质量.
评估SH-coupler的有效性,作为Vibrant声桥接收器中针头合的替代品.

主要方法:

激光多普勒振动测量用于10个人类尸体骨.
在使用LP和SH合器进行FMT刺激时,记录了带和圆窗运动的测量.

主要成果:

与LP-coupler相比,SH-coupler在中高频率 (1023-3577Hz) 中的圆窗中获得的收益明显更高.
在低频率 (382-500Hz) 的SH-coupler中观察到较低的增益.
总波扭曲率高于10%的情况是罕见的,并且在高频率的合器之间是可比的.

结论:

在中高频段,SH合器比LP合器提供了更高的性能.
它代表了与Clip-coupler相比较和可行的替代方案,取决于患者特定的解剖学.

关键词:

激光多普勒振动计激光多普勒振动计充满活力的声音桥.浮动质量传感器 (FMT) 是一种浮动质量传感器.植入式助听器是一种可植入式助听器.长时间的过程合器.中间耳朵植入物植入物带头连接器带头连接器骨的时间骨.

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