Method and system for improving anti-interference performance of CSM (Cerebral State Monitor) module based on automatic battery switching
A technology of automatic switching and power supply system, applied in electrical components, circuit devices, emergency power supply arrangements, etc., it can solve the problems of weak signal, low signal-to-noise ratio, unable to work normally, etc., to achieve the effect of convenient use and improved anti-interference ability
Inactive Publication Date: 2018-09-14
ANHUI SHAOSHI HUAAI BIOLOGICAL MEDICAL ELECTRONICS TECH CO LTD
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The EEG EEG signal is very weak, generally at the uv level, and its effective signal is also a signal within 70hz. The signals transmitted through the network power supply are all signals with a base frequency of 50 or 60hz, and they are all effective in their Signal range, which results in a very low signal-to-noise ratio, which prevents it from working properly
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[0019] In the following, with reference to the drawings, through the description of the embodiments, the specific implementation of the present invention such as the shape and structure of the various components involved, the mutual position and connection relationship between the various parts, the function and working principle of each part, and the manufacturing process And the operation and use method, etc., are described in further detail to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present invention.
[0020] The depth of anesthesia monitor is mainly used in the operating room, where there are a large number of surgical equipment with high power consumption and strong interference. The CSM module in the depth of anesthesia monitor judges and evaluates the depth of anesthesia by sampling the brain electrical signals of the human body. The human brain electrical signals sampled a...
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The invention discloses a method and a system for improving the anti-interference performance of a CSM (Cerebral State Monitor) module based on automatic battery switching, which belongs to the technical field of anesthetic monitor. The power supply mode of the CSM module selects an AC power supply mode and a battery power supply mode; when work is started, the AC power supply mode is adopted; andouter interference is indicated when the signal quality is reduced continuously or a false signal alarm is generated by the CSM module, the power supply mode is switched to the battery power supply mode. Through arranging the power supply switching mode, optocoupler communication is increased, the influences caused by conductive interference of a network power supply can be effectively eliminated, and the anti-interference ability of the CSM module is thus improved.
Description
Technical field [0001] The invention belongs to the technical field of anesthesia monitoring, and relates to a signal anti-interference direction, in particular to a method and system for improving the anti-interference of a CSM module based on automatic battery switching. Background technique [0002] The depth monitoring of anesthesia is of great significance for guiding anesthesia medication and reducing the risk of surgery and patient suffering. Traditional monitoring methods are mainly based on the patient's autonomous response and heart rate changes, spontaneous epidermal myoelectricity and other physiological parameters, which are estimated by the experience of the anesthesiologist and lack clear quantitative indicators. In recent years, anesthesia depth monitoring technology based on scalp electroencephalogram (Electroencephalogram, EEG) has received extensive attention, and a variety of EEG anesthesia depth monitoring products have appeared, such as those based on CSM (f...
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Login to View More IPC IPC(8): H02J9/06
CPCH02J9/06
Inventor 邵西良
Owner ANHUI SHAOSHI HUAAI BIOLOGICAL MEDICAL ELECTRONICS TECH CO LTD