TITLE

WIRELESS DIGITAL STETHOSCOPE USING BLUETOOTH TECHNOLGY

AUTHOR(S)
MILLS, GODFREY A.; NKETIA, THOMAS A.; OPPONG, ISAAC A.; EFFAH KAUFMANN, ELSIE
PUB. DATE
August 2012
SOURCE
International Journal of Engineering Science & Technology;Aug2012, Vol. 4 Issue 8, p3961
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Stethoscopes are used to listen to acoustic signals from the internal organs of the human body. Although stethoscopes play a very important role in the diagnosis process, the chest piece and the connecting cable are known to facilitate transmission of pathogens from patient to patient and from patient to the user. Replacing the connecting cable with a wireless system may help reduce the potential risk and further allow broadcasting of the signals to multi-users for examination. This work reports on the design of a two-piece Bluetooth-based wireless system that eliminates the connecting cables in electronic stethoscopes. The design consists of a Bluetooth based integrated chest-piece module for captured acoustic sound transmission and a microcontroller-based (MSP430) head-piece receiver module for decoding the data for the three operational modes of the stethoscope. The design was first tested using a chirp signal source with frequency of 10 Hz – 5 kHz. Results obtained for the three operational frequency bands of the stethoscope were consistent with the expected behaviour of the stethoscope.
ACCESSION #
87753353

 

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