Muscle bioelectricity biofeedback instrument possessing range and sensitivity automatic adjusting device

An automatic adjustment and biofeedback technology, applied in the field of electromyography biofeedback instruments, can solve problems such as affecting the training effect and the training cannot be carried out continuously, and achieve the effect of ensuring the quality of training

Inactive Publication Date: 2004-11-03
北京泰达新兴医学工程技术有限公司 +1
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  • Summary
  • Abstract
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Problems solved by technology

Since the patient is in a state of gradual relaxation at this time, if you adjust the sensitivity of the instrument yourself, the relaxed muscles will become tense again to varying degrees, which will affect the training effect; if the sensitivity is adjusted by other people, it will also bring corresponding problems. , so that the training cannot be carried out continuously

Method used

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  • Muscle bioelectricity biofeedback instrument possessing range and sensitivity automatic adjusting device
  • Muscle bioelectricity biofeedback instrument possessing range and sensitivity automatic adjusting device
  • Muscle bioelectricity biofeedback instrument possessing range and sensitivity automatic adjusting device

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Embodiment Construction

[0012] Embodiments will be described below with reference to the drawings.

[0013] figure 1 It is a block diagram of the embodiment of the present invention.

[0014] The input signal of the feedback instrument of the present invention comes from a body surface electrode attached to the body surface of the subject, such as the forearm skeletal muscle, and the body surface electrode extracts the myoelectric signal of the subject. The electromyographic signal is added to the input terminal of the feedback instrument of the present invention, first through the analog gate circuit 2 after being amplified by the input amplifier 1, and sent to the A / D converter 3 in 5 minutes by the sampling clock circuit to convert into a digital signal, and the CPU 4 The digital signal is detected and averaged and then output to the output unit 7; the function of the output unit 7 is to output a display signal correspondingly according to the specified rule according to the size of the signal vo...

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Abstract

The present invention is one myoelectrical biological feedback instrument with automatic measurement range and sensitivity regulator. According to that during feedback training, the myoelectrical feedback sensitivity is required to be increased with the reduced myoelectrical amplitude, one scheme is proposed with multistage displayed myoelectrical amplitude and unequal gradually raised myoelectrical amplitude difference between adjacent stages. In the scheme, the display sensitivity increases with the reduced myoelectrical amplitude, all the myoelectrical amplitude values are displayed, and the there is no need for the trainee to regulate measurement range and sensitivity, being favorable to the trainee to relax in training.

Description

technical field [0001] The invention relates to the field of medical equipment, more specifically, to a myoelectric biofeedback instrument with an automatic adjustment device for range and sensitivity. Background technique [0002] Biofeedback therapy refers to the use of modern instruments to process the physiological indicators of the human body, such as heart rate, blood pressure, skin temperature, EEG and myoelectricity, and then display them to patients in visual or auditory ways—that is, feedback of information, so that Through training and recognizing these information, patients learn to consciously control their own physiological activities, so as to achieve the purpose of adjusting body functions, preventing and treating diseases. [0003] EMG biofeedback technology is a commonly used biofeedback technology. Generally speaking, the degree of muscle tension is positively correlated with the degree of emotional anxiety, and the degree of psychological and physical re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0488
Inventor 杨雪琴张力军李铀张洪成王玲俞梦孙
Owner 北京泰达新兴医学工程技术有限公司
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