Multilayer fabrication of durable catheter-deployable soft robotic sensor arrays for efficient left atrial mapping.

Multilayer fabrication of durable catheter-deployable soft robotic sensor arrays for efficient left atrial mapping.
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DOI:
10.1126/sciadv.abc6800
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发表时间:
2020-11
期刊:
影响因子:
13.6
通讯作者:
Dunham S
Dunham S
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Kashyap V;Caprio A;Doshi T;Jang SJ;Liu CF;Mosadegh B;Dunham S

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用于左心房标测的软机器人传感器阵列证明了与复杂患者解剖结构的高度适形接触。进行心脏标测和消融治疗房颤的器械提供了一种有效的治疗方法。然而,当前的装置具有限制,其需要繁琐的心腔的逐点标测,或者具有有限的符合患者心腔的复杂解剖结构的能力。在这项工作中,一个详细的,可扩展的,和可制造的技术报告制造的多电极,软机器人传感器阵列。这些设备具有高一致性(~85至90%),并配备了一系列可伸缩电子传感器用于电压映射。该器械的形状因子预期与整个左心房的形状因子相匹配,并具有液压驱动的软机器人结构,其轮廓有助于从13.5 Fr导管展开。我们预计,本文中描述的方法将服务于新一代的顺应性医疗设备,利用可拉伸电子产品和软机器人的独特特性。
Soft robotic sensor arrays for left-atrial mapping demonstrate highly conformal contact to complex patient anatomies. Devices that perform cardiac mapping and ablation to treat atrial fibrillation provide an effective means of treatment. Current devices, however, have limitations that either require tedious point-by-point mapping of a cardiac chamber or have limited ability to conform to the complex anatomy of a patient’s cardiac chamber. In this work, a detailed, scalable, and manufacturable technique is reported for fabrication of a multielectrode, soft robotic sensor array. These devices exhibit high conformability (~85 to 90%) and are equipped with an array of stretchable electronic sensors for voltage mapping. The form factor of the device is intended to match that of the entire left atrium and has a hydraulically actuated soft robotic structure whose profile facilitates deployment from a 13.5-Fr catheter. We anticipate that the methods described in this paper will serve a new generation of conformable medical devices that leverage the unique characteristics of stretchable electronics and soft robotics.
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