The vital sign monitoring deviceTechnical field
The present invention relates to a kind of vital sign monitoring device, be used for the real-time monitoring of multiple physiological parameter, can be used for medical institutions and also can be used for the personal health health check-up.
Background technology
This patent is country's ' 11th Five-Year ' science and technology support plan " the accessible community service demonstration of people with disability's information " Project Study achievement.
Now; The monitoring instrument of relevant vital sign is comparatively general in clinical; It can be monitored vital signs such as bed patient or people with disability's electrocardio, blood pressure, blood oxygen, breathing, pulse, body temperature in real time; This physical condition that not only makes patient can in time understand oneself carries out SOS, and helps the doctor in time to understand patient's the state of an illness, so that take the efficacious therapy means and in time seek medical advice; The characteristic of monitoring health generally can't be accomplished real-time monitoring at present; Monitoring in real time can be got rid of the probability that special physiological parameter that patient appears in a certain period is missed, and at present, the application facet means that are used for individual family health care physiological parameter monitoring are still blank out also.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned existence; A kind of human body vital sign monitoring device that can carry out Long-distance Control is provided; It has physiological signal collection and Presentation Functions such as electrocardio, blood pressure, blood oxygen, breathing, pulse frequency, body temperature; Utilize wireless communication technique simultaneously, with data with GPRS traffic channel technical transmission to the remote system server, show, store, analyze; Control and management, this human body vital sign monitoring device can feed back with the analysis of data collected that the GSM short message mode receiving remote Wu of system happy lot is sent.
The present invention seeks to accomplish through following technical scheme; Shell is provided with touch LCD screen and action button; Connect shell main control module and interface module are arranged; Main control module and interface module with blood pressure, electrocardio, breathing, blood oxygen, pulse frequency, the body temperature acquisition module is all or part of links to each other (can as required), above-mentioned main control module links to each other with the physiological parameter acquisition module with interface module, links to each other with wireless communication module again simultaneously; Realization is gathered all or part of physiological parameters such as blood pressure, electrocardio, breathing, blood oxygen, pulse frequency, body temperature in real time, and the physiological parameter that is obtained is carried out data, can accept the analytical structure feedback as required in time.
Described shell is provided with the socket of (or claiming pick off, cuff etc.) such as the multiple physiological parameter acquisition probe that connects electrocardio, blood pressure, breathing, blood oxygen, pulse frequency, body temperature; And the electrocardio multi-lead line of above-mentioned socket connection and electrocardio, Breath collection module Data transmission; Connect blood oxygen probe with blood oxygen, pulse frequency acquisition module Data transmission; Connect with the body temperature of body temperature acquisition module Data transmission and pop one's head in, connect with of blood pressure acquisition module Data transmission and grind cuff; Can simultaneously all or part of realization connect according to the above-mentioned connection of the needs of collection physiological parameter.
Described blood pressure acquisition module also is connected with electromagnetic gas valve with the electric air pump of configuration and controls its work.
Described wireless communication module is provided with GPRS transfer of data and GSM note data receive channel transmission circuit and the Card Reader circuit that is used for the reading and writing SIM.
Described wireless communication module is connected with and is used for signal emission and the built-in aerial of accepting; Described wireless communication module designs with high performance wireless communication module, and the communication mode of employing is GPRS wireless cellular network+INTERNET wide area network, embedded tcp/ip communication agreement.
Described main control module and interface module comprise main control module, are connected to blood pressure data interface, electrocardiogram acquisition interface, oximetry data interface, temperature data interface, wireless data interface, TFT liquid crystal display screen, keyboard input, sound input respectively with this main control module; Described main control module adopts the high speed flush bonding processor as master cpu, in main control module, also is provided with power management.
Described blood pressure acquisition module is to realize through the pressure transducer that connects cuff; This pressure transducer once links to each other with preamplifier, low pass filter, and one the tunnel directly insert ADC, another road pulse signal through band filter and postscript amplifier after; Also insert the blood pressure acquisition module; This blood pressure acquisition module carries out air pump control and Air Valve Control, sends into cuff to air pressure, inserts main control module through the blood pressure data interface again on the other hand.
Described electrocardio Breath collection module mainly contains preamplifier, band filter, wave trap, post-amplifier composition, and acquired signal is to utilize EGC sensor to accomplish; The preamplifier employing possesses the high-performance one chip amplifier of characteristics such as high input impedance, high cmrr, low noise, low drift, low-power consumption; Band filter is accomplished the noise signal outside the filtering 0.05-300HZ frequency; Wave trap is decayed to power frequency component; Post-amplifier is amplified to signal-give ADC between the 2.5V-+2.5V; After converting digital signal into, under the control of master cpu, carry out the electrocardiosignal sampling, extract electrocardio ripple signal, respiratory wave signal and heart rate value; Said electrocardio Breath collection module links to each other with main control module through the electrocardiogram acquisition interface.
Described blood oxygen acquisition module comprises: blood oxygen detects digital circuit and produces the polarity that 2KH pulse signal control constant-current source is added to voltage on the blood oxygen transducer, makes the infrared light of its HONGGUANG that alternately sends wavelength 660NM and wavelength 940NM; Preamplifier will tentatively amplify from the signal that light sensitive diode obtains; Through analog switch infrared signal is separated; Respectively demodulation filtering and respectively through the back grade an amplification deliver to the ADC among the MPU, convert digital information to, and menses oxygen data-interface links to each other with main control module.
The present invention possesses physiological signal acquisition functions such as electrocardio, blood oxygen, blood pressure, breathing, pulse, body temperature; Utilize wireless mobile GPRS traffic channel technology simultaneously; Transfer of data is arrived the remote system server; Store, analyze and feed back, accept remote system data in server analysis feedback with the GSM short message mode simultaneously.Monitor self also possesses human computer conversation's functions such as button, demonstration, can independently monitor physiological signal.
The present invention adopts modularized design; On hardware designs, become independently module to research and develop with the demonstration separation electrocardio, blood pressure, blood oxygen, breathing, pulse frequency, body temperature, wireless transmission, master control; Each module is all carried out parameter and PCB layout optimal design; Avoided the phase mutual interference of individual physiological parameter sampling work; Solved successfully that the most scabrous anti-interference problem, particularly radio communication line make the physiological data accurate and stable that collects to other interference of adopting circuits in the microminiaturized process of multi-parameter monitor.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is the structured flowchart of master control according to the invention and interface module;
Fig. 3 is the structured flowchart of blood pressure acquisition module of the present invention;
Fig. 4 is the structured flowchart of electrocardio of the present invention, Breath collection module;
Fig. 5 is the structured flowchart of blood oxygen acquisition module of the present invention
Fig. 6 is the structured flowchart of measurement of bldy temperature module of the present invention;
Fig. 7 is the structured flowchart of communication module of the present invention
Specific embodiments
To combine accompanying drawing that detailed introduction is done in invention below:
Referring to Fig. 1; The present invention mainly includes shell and module is formed; Shell is provided with touch lcd color display and action button; Connecting shell has master control andinterface module 1, bloodpressure acquisition module 3, and electrocardio, breathing, blood oxygen, pulse frequency, body temperature acquisition module 2 andwireless communication module 4 all insert on master control and the interface module 1.Touch LCD screen and action button link to each other with master control andinterface module 1 through liquid crystal display screen,keyboard interface module 5.
The present invention also is provided with air pump, and air pump and air pump valve are controlled by blood pressure acquisition module 3.Also be provided withblood pressure socket 6 on the shell, be used for inserting when blood pressure is gathered and the induction cuff pressure, make blood pressure data be delivered to bloodpressure acquisition module 3.
Also be provided with other group ofsocket 7 on the shell of the present invention; Be used to connect electrocardio, the breath light signal is delivered to electrocardio, Breath collection module 2; Socket 7 also is used for blood oxygen, pulse frequency collection, and the data passes thatblood oxygen probe 9 is collected arrives blood oxygen, pulse frequency acquisition module.Socket 7 also is used for the body temperature collection, makes data passes thatbody temperature probe 10 collects to the body temperature acquisition module.
The present invention can show through display screen: ecg wave form, and respiratory waveform, the pulse frequency value, the breathing rate value, blood oxygen levels, pressure value, the body temperature value is called out indication, electric weight indication, the many parameters such as indication, network indication of leading.
Master control of the present invention andinterface module 1 adopt the high speed flush bonding processor as master cpu, in master control andinterface module 1, also are provided withpower sense circuit 11, referring to Fig. 2.Master control described in Fig. 2 and interface module 30; Be connected to respectively to learn and grind data-interface 12,, electrocardiogram acquisition interface 13, oximetry data interface 14, temperature data interface 15, wireless data transmission interface 16, TFT liquid crystal display screen 17, keyboard input 18,voice output 19.
Accompanying drawing is 3 said, when blood pressure detects through delivering to the air pressure of cuff on the pressure transducer 20; Pressure reduction through on the acquired signal pick off 20 obtains blood pressure signal, from blood pressure signal, isolates blood pressure signal and pulse signal throughpreposition amplification 21,low pass filter 22 simultaneously, and wherein blood pressure signal directly inserts ADC; After pulse signal passes throughband filter 23 andpostscript amplifier 24 again; Pulse signal is inserted bloodpressure acquisition module 3, and this bloodpressure acquisition module 3 carries out air pump control and Air Valve Control 25, inserts main control module 30 through blood pressure data interface 12 again on the other hand; Described signal send ADC, after the digital-to-analogue conversion through calculating information such as blood pressure pulse.
Shown in the accompanyingdrawing 4, electrocardio Breath collection module of the present invention mainly contains preamplifier 26,,band filter 27,wave trap 28,post-amplifier 29 form, acquired signal is to utilize EGC sensor 31.Preamplifier 26 is Key Circuit, and it adopts the high-performance one chip amplifier, and it possesses characteristics such as high input impedance, high cmrr, low noise, low drift, low-powerconsumption.Band filter 27 is accomplished the noise signal outside the filtering 0.05-300HZ hertz;Wave trap 28 is decayed to power frequency component; Post-amplifier 29 is amplified to signal-give ADC between the 2.5-+2.5V; After converting digital signal into, under the control of master cpu, carry out the electrocardiosignal sampling, extract electrocardio ripple signal, respiratory wave signal and heart rate value.Above-mentioned electrocardio Breath collection module links to each other with main control module 30 through electrocardiogram acquisition interface 13.
Shown in the accompanyingdrawing 6, the present invention can also be provided with the body temperature module, and it adopts highperformance temperature sensor 40, and amplifying circuit 41 amplifies the weak signal of temperature sensor, and last master cpu is obtained the body temperature value from A/D converter.
Shown in the accompanyingdrawing 7; Communication module of the present invention adopts high performance wireless communication module design; Whole module can keep the stable link of GPRS channel and work incessantly for a long time under the state of low-power consumption, make physiological data can be intactly, be delivered on the corresponding server in real time.Adoptable communication mode GPRS wireless cellular network+Internet wide area network, embedded tcp/ip communication agreement.Also be provided with the Card Reader circuit in the communication module, can the reading and writing SIM with carry out qualification testing.Communication module is connected with built-in aerial 42, is used for the emission and the acceptance of signal.
The various signals that collect during monitoring; Deliver in the master cpu through the interface of correspondence; Through after corresponding the processing result being shown to the user, simultaneously data are delivered to communication module, after ICP/IP protocol is dressed up packet; Send on the central monitoring server of designated domain name and store, supply doctor's monitoring, analyze and use.
The present invention is provided with touch lcd color display and action button, and structure is provided with master control and interface module, blood pressure acquisition module, electrocardio, Breath collection module, body temperature acquisition module, blood oxygen, pulse frequency acquisition module and communication module; The blood pressure acquisition module, electrocardio, Breath collection module, the body temperature acquisition module, blood oxygen, pulse frequency acquisition module and communication module all insert master control and interface module.The present invention adopts modularized design; On hardware designs, become independently module to research and develop with the demonstration separation electrocardio, blood oxygen, blood pressure, pulse frequency, body temperature, wireless transmission, master control; Each module is all carried out parameter and PCB layout optimal design; Avoided interfering with each other of each physiological parameter sampling work; Solved successfully that the most scabrous anti-interference problem, particularly radio communication line make the physiological data accurate and stable that collects to the interference of other sampling circuits in the microminiaturized process of multi-parameter monitor.