Device for high-resolution, noninvasive blood pressure measurement
First Claim
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1. A device for noninvasive blood pressure measurement, comprising:
- an inflatable cuff;
an electronically driven pressure transducer for setting the pressure in the cuff;
a computing and control unit connected to said cuff via said electronically driven pressure transducer;
a pressure sensor with a pressure transducer connected to said cuff;
an amplifier downstream of said pressure sensor, said cuff being connected to said downstream amplifier via said pressure sensor with said pressure transducer;
an analog-digital converter arranged directly downstream of said amplifier, said analog-digital converter being connected to said amplifier and to said computing and control unit and receiving an analog signal from said amplifier and providing a digital signal to said computing and control unit.
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Abstract
A device for the noninvasive blood pressure measurement with a cuff and with a corresponding control and evaluating circuit. The device provides improvements in terms of the signal resolution. On the one hand, the cuff (1) is connected via a pressure sensor with pressure transducer (4) to a downstream amplifier (5), which is preferably designed as an operational amplifier, and to an analog-digital converter (6) arranged directly downstream of the amplifier (5) with the computing and control unit (2). On the other hand, the computing and control unit (2) is connected to the cuff (1) via an electronically driven pressure transducer (3).
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8 Claims
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1. A device for noninvasive blood pressure measurement, comprising:
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an inflatable cuff;
an electronically driven pressure transducer for setting the pressure in the cuff;
a computing and control unit connected to said cuff via said electronically driven pressure transducer;
a pressure sensor with a pressure transducer connected to said cuff;
an amplifier downstream of said pressure sensor, said cuff being connected to said downstream amplifier via said pressure sensor with said pressure transducer;
an analog-digital converter arranged directly downstream of said amplifier, said analog-digital converter being connected to said amplifier and to said computing and control unit and receiving an analog signal from said amplifier and providing a digital signal to said computing and control unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification