Wireless, Smart Hemostasis Device with All-Soft Sensing System for Quantitative and Real-Time Pressure Evaluation
Advanced science(2023)
摘要
The properly applied pressure between the skin and hemostasis devices is an essential parameter for preventing bleeding and postoperative complications after a transradial procedure. However, this parameter is usually controlled based on the subjective judgment of doctors, which might cause insufficient hemostatic effect or thrombosis. Here this study develops a compact and wireless sensing system for continuously monitoring the pressure applied on the radial artery and wrist skin in clinical practice. A liquid metal (LM)-based all-soft pressure sensor is fabricated to enable conformal attachment between the device and skin even under large deformation conditions. The linear sensitivity of 0.007 kPa-1 among the wide pressure range of 0-100 kPa is achieved and the real-time detection data can be wirelessly transmitted to mobile clients as a reference pressure value. With these devices, detailed pressure data can be collected, analyzed, and stored for medical assistance as well as to improve surgery quality. This work develops a wireless sensing system upon a hemostasis device. The system consists of liquid metal-based all-soft capacitive pressure sensors, tiny reading circuits with low-power transmission functions, and software-based model deployment. With these devices, detailed pressure data on retracting operations can be collected, analyzed, and stored for medical assistance as well as improving surgery quality.image
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关键词
all-soft pressure sensors,compact and wireless sensing systems,femtosecond laser,liquid metals,smart hemostasis devices
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