CN202136332U

CN202136332U - Physiological signal monitoring equipment based on 24-bit high accuracy collection

Info

Publication number: CN202136332U
Application number: CN 201120227819
Authority: CN
Inventors: 夏振宏; 袁赞; 汪政伟
Original assignee: HUANAN MEDICAL ELECTRICAL TECH Co Ltd HENAN
Current assignee: HUANAN MEDICAL ELECTRICAL TECH Co Ltd HENAN
Priority date: 2011-06-30
Filing date: 2011-06-30
Publication date: 2012-02-08
Anticipated expiration: 2021-06-30

Abstract

The utility model discloses physiological signal monitoring equipment based on the 24-bit high accuracy collection, wherein a physiological signal collection interface is arranged on the equipment. The physiological signal collection interface is respectively connected with a collection module and a stimulation module. The collection module and the stimulation module are respectively connected with a PC machine through a communication module. Due to the adoption of the physiological signal monitoring equipment, various physiological signals including electrocardio signals, heart rate signals, blood pressure signals, blood oxygen signals, breathing signals, pulse signals and the like can be monitored so as to provide a complete, timely and reliable data source for a doctor's operation.

Description

Physiological signal custodial care facility based on 24 high precision collectings

Technical field

This utility model relates to the physiological monitoring system of physiological parameter acquisition chips such as a kind of integrated electrocardio, blood pressure, blood oxygen, is specifically related to a kind of physiological signal custodial care facility based on 24 high precision collectings.

Background technology

Along with the raising of heart disease sickness rate and the improvement of operation method, also increasingly high to the requirement of the checkout equipment of physiological parameters such as electrocardio, blood pressure, blood oxygen.At present; Polygraph on the market; Mainly be to adopt the disperse system of forming based on the distributing amplifier and the integrated AD card of analog circuit, have extensively that volume is big, Heavy Weight, cost is high, precision is low, uncontrollable, safeguard a series of shortcomings such as difficulty; Along with the improvement of electrocardio operation method, the cardiac electrophysiology field presses for that a cover is simplified, efficient, convenient, stable physio-parameter detection system.

The utility model content

In view of this; The purpose of this utility model is to provide a kind of physiological signal custodial care facility based on 24 high precision collectings; Can realize monitoring, complete, timely, reliable data source is provided to doctor's operation to multiple physiological signals such as electrocardio, heart rate, blood pressure, blood oxygen, breathing, pulses.

This utility model adopts following technical scheme:

A kind of physiological signal custodial care facility based on 24 high precision collectings; Wherein, Said physiological signal custodial care facility based on 24 high precision collectings is provided with the physiological signal acquisition interface; Said physiological signal acquisition interface is connected with stimulating module with acquisition module respectively, and acquisition module is connected with PC through communication module respectively with stimulating module.

Further, be connected pre-processing module between described physiological signal acquisition interface and acquisition module.

Further, said acquisition module comprises intracardiac electrocardiogram acquisition module, body surface ecg acquisition module, blood pressure acquisition module, blood oxygen acquisition module, main controller module and external memory modules; Said physiological signal acquisition interface comprises intracardiac electrocardio interface, body surface ecg interface, blood pressure interface, blood oxygen interface, programmed electrical stimulation interface; Said intracardiac electrocardio interface connects intracardiac electrocardiogram acquisition module, and the body surface ecg interface connects body surface electrocardiogram acquisition module, and the blood pressure interface connects the blood pressure acquisition module, and blood oxygen interface connects blood oxygen acquisition module; Intracardiac electrocardiogram acquisition module, body surface ecg acquisition module, blood pressure acquisition module and blood oxygen acquisition module are connected respectively to main controller module, and main controller module is connected with external memory modules.

The beneficial effect of this utility model is: this utility model is a kind of physiological signal custodial care facility that uses the special integrated chip that is used for fields such as ECG, EEG of high accuracy, high integrated, low noise, low-power consumption; This equipment has that volume is little, in light weight, cost is low, precision is high, is prone to use, easy care, be prone to advantage such as upgrading, to medical worker undergo surgery, physiology guards and brings great convenience.

This utility model provides a kind of acquisition system based on the sampling with high precision chip cascade, through Ethernet data is passed to host computer with optical fiber transmission line, realizes the monitoring to multiple physiological signals such as electrocardio, heart rate, blood pressure, blood oxygen, breathing, pulses.This equipment uses high accuracy, low noise, low-power consumption, acquisition chip is replaced the analog device circuit of the channel separation of old system cheaply, has that volume is little, in light weight, cost is low, precision is high, is prone to use, easy care, is prone to advantages such as upgrading.Help cardiac electrophysiology inspection, radiofrequency ablation therapy arrhythmia more; Comprise that supraventricular arrhythmia and part room are pounced on, chamber speed, mitral balloon expansion, coronary angiography, PTCA, endovascular stent molding and other heart intervene operation needs, particularly important for the expansion of heart disease patient's inspection monitoring and related surgical.

Description of drawings

Fig. 1 is the structured flowchart of this utility model;

Fig. 2 is the structured flowchart of this utility model high precision collecting module;

Fig. 3 is the circuit diagram of the power pack of this utility model high precision collecting module.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment this utility model is further described:

Like Fig. 1, shown in Figure 2; This utility model is provided with the physiological signal acquisition interface; The physiological signal acquisition interface comprises intracardiac electrocardio interface, body surface ecg interface, blood pressure interface, blood oxygen interface, programmed electrical stimulation interface; The physiological signal acquisition interface is connected with stimulating module with pre-processing module respectively, and pre-processing module connects acquisition module, and acquisition module is connected with PC through communication module respectively with stimulating module.Acquisition module comprises intracardiac electrocardiogram acquisition module, body surface ecg acquisition module, blood pressure acquisition module, blood oxygen acquisition module, main controller module and external memory modules; Intracardiac electrocardio interface connects intracardiac electrocardiogram acquisition module, and the body surface ecg interface connects body surface electrocardiogram acquisition module, and the blood pressure interface connects the blood pressure acquisition module, and blood oxygen interface connects blood oxygen acquisition module; Intracardiac electrocardiogram acquisition module, body surface ecg acquisition module, blood pressure acquisition module and blood oxygen acquisition module are connected respectively to main controller module, and main controller module is connected with external memory modules.

As shown in Figure 1; This utility model is provided with body surface ecg interface, intracardiac electrocardio interface, blood pressure interface, blood oxygen interface; Through these interface input human heart electricity physiological signals; Carry out circuit protection, signal filtering to signal pre-processing module, sending acquisition module then is digital signal through data transaction, is transferred to host computer through communication module again and carries out drawing performance.Body surface ecg interface, intracardiac electrocardio interface, blood pressure interface, blood oxygen interface respectively with acquisition module in corresponding each functional module connect.The programmed electrical stimulation module is accepted stimulation instructions that host computer sends through communication module and is moved the generation stimulus signal.

Fig. 2 is the structured flowchart of signal acquisition module circuit, and this acquisition module is made up of a microcontroller (being main controller module), an external memory modules and 38 passage AD acquisition chip parallel cascades.Electrocardiosignal is sent into acquisition module after pretreatment, data are synchronous by START pin and external clock, and microcontroller uses the SPI interface to read data, writes external memory modules again to communication module data to be provided.Whole module can keep stablizing and working incessantly for a long time under the state of low noise, low-power consumption, makes physiological data can be transferred to PC intactly, in real time.

As shown in Figure 3, be the power supply circuit figure of acquisition module circuit, for the work of acquisition module provides reliable and stable running voltage.5V is for getting into the voltage of acquisition module, is that the digital circuit of acquisition module is partly supplied power through becoming 3.3V behind the AMS1117-3V3 manostat.5V becomes 2.5V through behind the TPS79325 power supply chip, through becoming-2.5V behind the AX889T power supply chip, is the difference channel power supply of the analog part of acquisition module.

Claims

1. physiological signal custodial care facility based on 24 high precision collectings; It is characterized in that: said physiological signal custodial care facility based on 24 high precision collectings is provided with the physiological signal acquisition interface; Said physiological signal acquisition interface is connected with stimulating module with acquisition module respectively, and acquisition module is connected with PC through communication module respectively with stimulating module.

2. a kind of physiological signal custodial care facility based on 24 high precision collectings according to claim 1 is characterized in that: be connected pre-processing module between described physiological signal acquisition interface and acquisition module.

3. a kind of physiological signal custodial care facility based on 24 high precision collectings according to claim 1 and 2 is characterized in that: said acquisition module comprises intracardiac electrocardiogram acquisition module, body surface ecg acquisition module, blood pressure acquisition module, blood oxygen acquisition module, main controller module and external memory modules; Said physiological signal acquisition interface comprises intracardiac electrocardio interface, body surface ecg interface, blood pressure interface, blood oxygen interface, programmed electrical stimulation interface; Said intracardiac electrocardio interface connects intracardiac electrocardiogram acquisition module, and the body surface ecg interface connects body surface electrocardiogram acquisition module, and the blood pressure interface connects the blood pressure acquisition module, and blood oxygen interface connects blood oxygen acquisition module; Intracardiac electrocardiogram acquisition module, body surface ecg acquisition module, blood pressure acquisition module and blood oxygen acquisition module are connected respectively to main controller module, and main controller module is connected with external memory modules.