Temperature sensing probe integrated with an SU-8 flexible ribbon cable for heart surgery application

This paper presents a silicon probe designed with three polysilicon resistance temperature detectors (RTDs) for heart temperature sensing in open-heart surgery. Via an integrated SU-8/Cu flexible ribbon cable for signal transmission to the instrument reader outside human body, the probe with a 40° t...

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Bibliographic Details
Main Authors: Kuei-Shu Li, Tzu-Yuan Chao, Cheng, Y. T., Jing-Kuang Chen, Yih-Sharng Chen
Format: Conference Proceeding
Language:English
Subjects:
Heart
Open-Heart Surgery
Polysilicon Resistance Temperature Detectors
Probes
Silicon
Silicon Probe
Surgery
Temperature measurement
Temperature sensors
Online Access:Request full text
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Summary:This paper presents a silicon probe designed with three polysilicon resistance temperature detectors (RTDs) for heart temperature sensing in open-heart surgery. Via an integrated SU-8/Cu flexible ribbon cable for signal transmission to the instrument reader outside human body, the probe with a 40° tip angle can provide ~0.9°C sensing accuracy and sustain a 4N buckling load large enough for the probe to easily penetrate pig's myocardium. The device characteristics have shown the potential for clinical heart temperature sensing applications.
ISSN:2159-547X
DOI:10.1109/TRANSDUCERS.2011.5969383