Telemetry system for heart-rate and blood temperature using a microcomputer

Toshifumi Sugiura Graduate School of Electronic Science and Technology, Shizuoka University, Johoku 3-5-1, Hamamatsu, 432, Japan

Motohiko Kimura Graduate School of Electronic Science and Technology, Shizuoka University, Johoku 3-5-1, Hamamatsu, 432, Japan

Toshihiko Hasegawa 1st Dept. of Surgery, Hamamatsu University, School of Medicine, Handa-cho 3600, Hamamalsu, 431-31, Japan

Keizo Yoshimura 1st Dept. of Surgery, Hamamatsu University, School of Medicine, Handa-cho 3600, Hamamalsu, 431-31, Japan

Yukio Harada 1st Dept. of Surgery, Hamamatsu University, School of Medicine, Handa-cho 3600, Hamamalsu, 431-31, Japan

Abstract

A radio-telemetry system using a microcomputer has been constructed to measure both the heart-rate (HR) and right atrial blood-temperature in dogs. The telemeter incorporates a thermistor temperature probe, which allows blood-temperature measurements in the range of 35°-42°C with an available resolution of ±0·02°C. The output of the receiver is connected to active filters, a frequency counter and an HR meter, and finally to a microcomputer, through an appropriate interface circuit, for data linearization and storage.

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Telemetry system for heart-rate and blood temperature using a microcomputer

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