A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
73/59
A61B 5/02 (2006.01) A61B 5/022 (2006.01) A61B 5/024 (2006.01) A61B 5/0285 (2006.01)
Patent
CA 1165139
Abstract: A noninvasive continuous blood pressure meter that reproduces the arterial blood pressure waveform, comprising an inflatable flexible finger cuff (2) which incorporates an infrared transmitter (3) and receiver (5), and electronic circuitry (20) connected to the transmitter and receiver and controlling a dynamic compressor (18). The dynamic compressor (18) comprises a bellows (10) which is compressed by a linear motor (8), electrically activated by the electronics (20). The bellows (10) is connected to the inflatable cuff (2) by a flexible tube (14), to which is also attached an electronic pressure transducer (15), in such a way that the hollow spaces of the bellows (10), tubing (14), electronic pressure transducer (15), and cuff (2), form one complete closed air-filled space. When the inflatable cuff (2) is wound around the finger (1) and the electronics (20) are properly adjusted, the signal from the electronic pressure transducer (15) will very nearly correspond to instantaneous arterial blood pressure.
377934
Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschap
Ridout & Maybee Llp
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