A Microprocessor-Based Two-Channel Thromboelastograph

Shoupu Chen, Nitish V. Thakor, James W. Wagner

Research output: Contribution to journalArticle

Abstract

This paper presents a design for a digital thromboelastograph (TEG). The instrument design is based on the principle of a couette viscometer. The device measures shear elasticity of blood during clot formation. The recording mechanism comprises a two-channel light-beam deflection system and a recording system based on a charge-coupled-device (CCD) array. An 8-bit CMOS microprocessor (NSC800) supervises data acquisition from the CCD array. The two-channel system produces a record on a thermal printer allowing one to observe the time course of coagulation and simultaneously compare two different blood specimens.

Original languageEnglish (US)
Pages (from-to)887-890
Number of pages4
JournalIEEE Transactions on Biomedical Engineering
VolumeBME-33
Issue number9
DOIs
StatePublished - Sep 1986

ASJC Scopus subject areas

  • Biomedical Engineering

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