Pulse signal detection method and blood pressure measurement apparatus
A blood pressure measurement device and pulse signal technology, applied in blood vessel assessment, catheterization, cardiac catheterization, etc., to achieve stable measurement results, accurate and reliable blood pressure measurement
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Embodiment 1
[0042] Embodiment 1, measure pulse signal and diastolic pressure by decompression method
[0043] The present invention is a kind of blood pressure measuring device, and described blood pressure measuring device comprises cuff 8 and the host computer 4 that is connected with described cuff 8, and described cuff 8 is double-airbag fan-shaped cuff, and described double-airbag fan-shaped cuff is A cuff bound on the measured limb with double trachea and double inflatable bags of upstream air bag 1 and downstream air bag 2, the upstream air bag 1 and the downstream air bag 2 are respectively located upstream and downstream of the arterial blood flow of the measured limb After binding, the upstream airbag 1 is fixed at the upstream of the wrist pulse to block the blood flow of the elbow artery of the subject, and is connected with the upstream airbag interface on the host 4, and the downstream airbag 2 is fixed downstream of the arterial blood flow direction The part detects the wri...
Embodiment 2
[0109] Embodiment 2. Device and method for measuring systolic blood pressure and pulse signal using decompression method
[0110] The device of the present invention is also applicable to the detection of pulse signals of systolic blood pressure,
[0111] A control and data processing program is set in the microprocessor, and the control and processing program executes a blood pressure measurement process including the following steps:
[0112]A) pressurizing the downstream air bag 2 to a pressure value between the measured arterial systolic pressure and diastolic pressure, or a pressure value between the average blood pressure value of the measured artery minus 10mmHg and the average blood pressure value plus 20mmHg, or A pressure value, so that the amplitude of the pulse signal detected in the downstream airbag 2 is greater than a given value at this pressure value;
[0113] B) Pressurizing the upstream air bag 1 to a pressure value higher than the measured arterial systoli...
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