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High-sensitivity MEMS heart sound and electrocardio integrated detection sensor based on beat-type bionic cilia

A detection sensor and high-sensitivity technology, applied in sensors, stethoscopes, telemetry patient monitoring, etc., can solve problems such as difficulty in collecting heart sounds and ECG signals, doctors cannot make accurate judgments, and heart sound signals cannot be collected accurately. High accuracy, reduce friction noise and arm shaking noise, and realize the effect of synchronous measurement

Pending Publication Date: 2021-09-03
ZHONGBEI UNIV
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Problems solved by technology

[0003] The stethoscope was originally invented by the French doctor Reinac. After continuous improvement by many people, it slowly formed the traditional acoustic stethoscope that is now commonly used. The traditional stethoscope is composed of a resonant plate, a sound resonance cavity and a catheter that conducts sound, but , this kind of stethoscope has the following problems: 1) The rubber tube of the stethoscope can easily cause the heart sound signal to be distorted, so that the heart sound signal cannot be collected accurately, and the doctor cannot make an accurate judgment; 2) It is not suitable for obese people. After testing, the heart sound of obese people There are many interference signals with the ECG signal, and the transmitted signal is highly weakened, so it is difficult to collect the heart sound and ECG signal of this group of people
[0004] In addition, the current stethoscopes are all in-ear design, long-term auscultation will cause ear fatigue, which will affect the doctor's judgment

Method used

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  • High-sensitivity MEMS heart sound and electrocardio integrated detection sensor based on beat-type bionic cilia
  • High-sensitivity MEMS heart sound and electrocardio integrated detection sensor based on beat-type bionic cilia
  • High-sensitivity MEMS heart sound and electrocardio integrated detection sensor based on beat-type bionic cilia

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Embodiment Construction

[0032] In order to enable those skilled in the art to better understand the present invention, the present invention will be further clearly and completely described below in conjunction with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0033] Such as Figure 1 to Figure 12 As shown, a high-sensitivity MEMS heart sound and ECG integrated detection sensor based on beat-shaped bionic cilia, including a probe housing 1, ECG electrodes, MEMS acoustic sensor microstructure, heart sound and ECG integrated circuit, signal acquisition card, USB Interface module and Bluetooth wireless module.

[0034] The probe housing 1 is a circular flat shell, such as Figure 1 to Figure 6 As shown, it is made of aluminum alloy, and its shell bottom is located at the middle and lower part of the shell b...

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Abstract

The invention relates to a high-sensitivity MEMS heart sound and electrocardio integrated detection sensor based on beat-type bionic cilia, which mainly comprises a probe shell, an MEMS acoustic sensor microstructure, a heart sound and electrocardio integrated circuit and a signal acquisition card; the MEMS acoustic sensor microstructure is provided with the beat-type bionic cilia for detecting heart sound signals; an electrocardio electrode on the probe shell is used for detecting electrocardio signals; the electrocardio electrode and the probe shell transmit the detected signals to the heart sound and electrocardio integrated circuit for processing; and then, the processed signals are transmitted to the signal acquisition card. The invention has the advantages of being scientific in design, reasonable in structure, easy and convenient to operate, convenient to carry, sensitive in detection, low in cost, capable of being machined in batches, capable of realizing synchronous heart sound and electrocardio detection and the like; and compared with a traditional sensor probe, heart sound and electrocardio signal detection is more accurate, rapid and convenient.

Description

technical field [0001] The invention relates to a biomedical device, in particular to a high-sensitivity MEMS heart sound and electrocardiogram integrated detection sensor based on beat-shaped bionic cilia. Background technique [0002] The heart sound signal is an important physiological signal of the human body. It is a signal that reflects the movement of the heart and cardiovascular system, and contains the physiological information of the interaction between various parts of the heart such as the atrium, ventricle, cardiovascular system, great blood vessels and various valves. And pathological information, heart sounds can be used to evaluate cardiac function. [0003] The stethoscope was originally invented by the French doctor Reinac. After continuous improvement by many people, it slowly formed the traditional acoustic stethoscope that is now commonly used. The traditional stethoscope is composed of a resonant plate, a sound resonance cavity and a catheter that condu...

Claims

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Application Information

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IPC IPC(8): A61B7/04A61B5/00A61B5/318
CPCA61B5/318A61B7/04A61B5/7225A61B5/0006A61B5/0022Y02D30/70
Inventor 崔建功王朔彤张国军史鹏程力乙瑞王博杨玉华张文栋薛晨阳
Owner ZHONGBEI UNIV
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