Wireless, implantable catheter-type oximeter designed for cardiac oxygen saturation.

Wireless, implantable catheter-type oximeter designed for cardiac oxygen saturation.
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无线植入式导管血氧仪,专为心脏血氧饱和度设计。

DOI:
10.1126/sciadv.abe0579
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发表时间:
2021-03
期刊:
影响因子:
13.6
通讯作者:
Rogers JA
Rogers JA
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Lu W;Bai W;Zhang H;Xu C;Chiarelli AM;Vázquez-Guardado A;Xie Z;Shen H;Nandoliya K;Zhao H;Lee K;Wu Y;Franklin D;Avila R;Xu S;Rwei A;Han M;Kwon K;Deng Y;Yu X;Thorp EB;Feng X;Huang Y;Forbess J;Ge ZD;Rogers JA

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一个薄的,灵活的,无线血氧探头监测静脉和心脏的氧合水平在一个病人友好的模式。准确、实时地监测血管内氧水平对于跟踪心胸外科手术后患者的心肺健康非常重要。现有技术使用玻璃光纤导管的血管内放置,这会造成血管损伤、血栓形成和感染的风险。此外,电源系统和数据采集硬件的物理系绳限制了移动的自由度,并增加了重症监护室的混乱。本报告介绍了一种无线、小型化、可植入的光电导管系统,该系统在探头上集成了光学组件,由柔软的生物相容性材料封装,作为避免这些缺点的替代技术。没有物理系绳和探头的灵活、生物相容性结构代表了关键的定义特征,从而产生了一种高性能、患者友好型植入式血氧计,该血氧计可以通过无线、实时、连续操作来监测局部组织氧合、心率和呼吸活动。体外和体内测试表明,该平台提供的测量准确度和精密度与现有的临床标准相当。
A thin, flexible, wireless oximeter probe monitors venous and cardiac oxygenation levels in a patient-friendly mode. Accurate, real-time monitoring of intravascular oxygen levels is important in tracking the cardiopulmonary health of patients after cardiothoracic surgery. Existing technologies use intravascular placement of glass fiber-optic catheters that pose risks of blood vessel damage, thrombosis, and infection. In addition, physical tethers to power supply systems and data acquisition hardware limit freedom of movement and add clutter to the intensive care unit. This report introduces a wireless, miniaturized, implantable optoelectronic catheter system incorporating optical components on the probe, encapsulated by soft biocompatible materials, as alternative technology that avoids these disadvantages. The absence of physical tethers and the flexible, biocompatible construction of the probe represent key defining features, resulting in a high-performance, patient-friendly implantable oximeter that can monitor localized tissue oxygenation, heart rate, and respiratory activity with wireless, real-time, continuous operation. In vitro and in vivo testing shows that this platform offers measurement accuracy and precision equivalent to those of existing clinical standards.
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