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Cardioscopic Tool-Delivery Instrument for Beating-Heart Surgery

机译:用于心跳手术的心内镜工具交付工具

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摘要

This paper describes an instrument that provides solutions to two open challenges in beating-heart intracardiac surgery—providing high-fidelity imaging of tool-tissue contact and controlling tool penetration into tissue over the cardiac cycle. Tool delivery is illustrated in the context of tissue removal for which these challenges equate to the visualization of the tissue as it is being removed and to control of cutting depth. Cardioscopic imaging is provided by a camera and illumination system encased in an optical window. When the optical window is pressed against tissue, it displaces the blood between the camera and tissue allowing clear visualization. Control of cutting depth is achieved via precise extension of the cutting tool from a port in the optical window. Successful tool use is demonstrated in and experiments.
机译:本文介绍了一种仪器,该仪器可为心脏跳动性心脏内外科手术中的两个开放挑战提供解决方案-提供工具组织接触的高保真成像并控制工具在整个心动周期内渗透到组织中。在组织去除的背景下示出了工具输送,对于这些问题,这些挑战等同于在组织被去除时的可视化以及对切割深度的控制。内置在光学窗口中的相机和照明系统可提供心脏镜成像。当光学窗口压在组织上时,它将使血液在相机和组织之间移动,从而实现清晰的可视化。切割深度的控制是通过将切割工具从光学窗口的端口精确伸出来实现的。在和实验中证明了工具的成功使用。

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