The automated external defibrillator bluetooth cardiac monitoring device
Technical field
This utility model belongs to the armarium technical field, is specifically related to the automated external defibrillator bluetooth cardiac monitoring device that matches and use with automated external defibrillator (automated external defibrillator).
Background technology
Along with constantly advancing of society, people's life, operating pressure are also in synchronous increase, take place the high-risk group of sudden cardiac arrest except the cardiac, some seem healthy people, or even youngster also becomes this reticent killer's of sudden cardiac arrest victim gradually.For sudden cardiac arrest, medical circle thinks that at present unique effective way is exactly to carry out external electric defibrillation in the short as far as possible time, restarting when resembling computer crash, make heart return to the normal electrocardio rhythm and pace of moving things, take place to carry out defibrillation in 1 minute in sudden cardiac arrest, patient's probability of surviving can reach 90%, every delay 1 minute, success rate is with decline 7-10%, the defibrillation survival rate can reach 70% in the 1min after the incident, and the survival rate of 5min has only 50%, and the survival rate of 7min only has 30%, the survival rate of 9~11min is 10%, is 2%~5% behind the 12min.In addition, evidence suggests that first salvor who rushes for field conduct CPR cardiopulmonary resuscitation (CPR) generally has defibrillation technical ability, if be swift in response, can shorten the defibrillation time, the survival rate of VF will improve so.
The electrocardiogram monitor that present most of hospital generally uses, variation that can only the basic electric-physiology parameter of record patient, can not carry out ECG Signal Analysis in real time, there is not the real-time monitoring function, help not quite for life-threatening sudden cardiac disease, treatment is on the hazard life to many burst patients because of can not get in time.
Along with the importance of the early stage defibrillating function of automated external defibrillator (automated external defibrillator) is more and more accepted by people, the notion of public defibrillation also is suggested, and also all begins to place automated external defibrillator equipment in our many important public place.But,, still can not accomplish the rescue of shortest time such as hypnopompic sudden cardiac arrest (SAC) for some cardiacs who easily happens suddenly.At present, the patient that some need carry out real-time monitoring and in time implement defibrillation procedure, because automated external defibrillator (automated external defibrillator) volume is inadequately little, can not conveniently be easy to it is worn with oneself at any time, moreover be easy to after wearing bring some inconvenience to daily life.
Therefore, be necessary to invent a kind of automated external defibrillator bluetooth cardiac monitoring device, to address the above problem.
Summary of the invention
The purpose of this utility model is to utilize wireless data communication technology, automated external defibrillator bluetooth cardiac monitoring device and automated external defibrillator (automated external defibrillator) are combined, the patient can wear the automated external defibrillator bluetooth cardiac monitoring device with oneself and carry out the freedom activity, do not influence normal animation, simultaneously also can obtain real-time cardiac monitoring, when emergencies such as some sudden cardiac arrests take place, the bluetooth monitor device can in time send alarm signal, and the crowd around the prompting starts automated external defibrillator and carries out the defibrillation save operation in the shortest time.
The technical solution of the utility model is: a kind of automated external defibrillator bluetooth cardiac monitoring device, wear in human body, comprise two electrocardioelectrodes that directly are connected with human body, and the body that electrically connects with these electrocardioelectrodes, described body is mainly by microprocessor, the electrocardiogram acquisition system that links to each other with this microprocessor, ecg analysis system, Bluetooth system, and the warning system that Bluetooth system and ecg analysis system couple together is formed.
Described microprocessor is mainly DSP nuclear.
The data of described electrocardioelectrode collection enter microprocessor through the pre-amplifying circuit of preposition difference, diode detection and regulating circuit, filter circuit, gain-adjusted and current potential translation, A/D change-over circuit successively.
Described Bluetooth system mainly comprises Bluetooth2.0 nuclear and Bluetooth built-in antenna, and microprocessor control Bluetooth2.0 nuclear is by the automated external defibrillator equipment around the line search of Bluetooth built-in sky.
Described Bluetooth system circuit outer periphery has in order to store the memorizer of automated external defibrillator device signal.
Described warning system comprises loudspeaker and display lamp.
Description of drawings
Fig. 1 is that this utility model is executed the diagram that routine automated external defibrillator bluetooth cardiac monitoring device is worn on the patient;
Fig. 2 is the fundamental system block diagram of Fig. 1 automated external defibrillator bluetooth cardiac monitoring device;
Fig. 3 is the main FB(flow block) of Fig. 1 automated external defibrillator bluetooth cardiac monitoring device;
Fig. 4 is the detailed system block diagram of Fig. 1 automated external defibrillator bluetooth cardiac monitoring device.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is described further.
Description of symbols among Fig. 1: electrocardioelectrode 1, lead 2, body 3, automated external defibrillator (automated external defibrillator) 4.
Please refer to Fig. 1, automated external defibrillator bluetooth cardiac monitoring device of the present utility model, be used for and automated external defibrillator (automated external defibrillator, hereinafter to be referred as automated external defibrillator equipment 4) match, it comprises a body 3, article two, lead 2, two electrocardioelectrodes 1, article two, lead 2 is electrically connected to two electrocardioelectrodes 1 on the body 3 respectively, and described two electrocardioelectrodes 1 all have viscosity, can directly stick on patient's chest (as shown in Figure 1), patient's electrocardiosignal is reached body 3 inside, the patient is carried out real-time cardiac bioelectricity monitoring.
Please refer to Fig. 2, the automated external defibrillator bluetooth cardiac monitoring device is mainly by microprocessor, electrocardiogram acquisition system, ecg analysis system, Bluetooth system, and the warning system composition, wherein microprocessor is provided with power supply, to guarantee the operation of automated external defibrillator bluetooth cardiac monitoring device; The electrocardiogram acquisition system comprises electrocardioelectrode 1, this system is connected with microprocessor, remaining ecg analysis system, Bluetooth system and warning system all link to each other with microprocessor, and communicating by letter between ecg analysis system, electrocardiogram acquisition system and the microprocessor is mutual; Bluetooth system is with in the memorizer that signal is kept at equally with microprocessor links to each other; Warning system comprises LED and loudspeaker, can send caution by light and sound two aspects.
Please refer to Fig. 3, the groundwork flow process of automated external defibrillator bluetooth cardiac monitoring device is: the electrocardiogram acquisition system collects patient's electrocardiosignal by two electrocardioelectrodes 1, this signal of telecommunication is imported in the microprocessor, be mainly DSP nuclear in this microprocessor, the electrocardiosignal that will import into is carried out ecg analysis by the ecg analysis system.Simultaneously, microprocessor control Bluetooth system carries out bluetooth and searches automatically, be provided with the Bluetooth built-in antenna in the Bluetooth system, automated external defibrillator device signal around microprocessor is searched for automatically by the Bluetooth built-in antenna, behind the automated external defibrillator equipment in the scope of searching, communicate with this automated external defibrillator equipment, if microprocessor is not searching the automated external defibrillator device signal, illustrate that this automated external defibrillator bluetooth cardiac monitoring device does not have automated external defibrillator equipment in its certain scope, this moment, warning system will be sent warning message.
Please refer to Fig. 4, to introduce automated external defibrillator bluetooth cardiac monitoring device of the present utility model in detail, except capital equipment, internal body of the present utility model also is provided with a plurality of indispensable elements, as the pre-amplifying circuit of preposition difference, diode detection and regulating circuit, filter circuit, gain-adjusted and current potential translation, the A/D change-over circuit, the RX/TX exchange, radio-frequency (RF) power amplification, radio frequency duplexer, band filter, low noise amplifier or the like, filter circuit wherein is a low-pass filtering, memorizer is a FLASH memorizer, the crystal oscillator that also has 16MHZ in this automated external defibrillator bluetooth cardiac monitoring device produces circuit to support Bluetooth2.0 nuclear clock internal.
Described automated external defibrillator bluetooth cardiac monitoring device is worn on one's body the patient, two electrocardioelectrodes are imported into patient's electrocardiosignal in the microprocessor in real time, because human ecg signal is faint, many interfering datas appear in the gatherer process, therefore the preposition difference and the amplifying circuit of the bluetooth cardiac monitoring device inside by automated external defibrillator amplify signal, diode detection and regulating circuit become AC signal into direct current signal, filter circuit becomes signal into direct current signal stably, gain-adjusted and current potential translation are amplified signal once more and are adjusted null value and the DSP baseline is complementary, and the A/D change-over circuit becomes digital signal with analog signal conversion, at last the signal of putting in order sent into microprocessor.Microprocessor is after receiving signal, control Bluetooth2.0 nuclear exchanges by RX/TX, radio-frequency (RF) power amplification, radio frequency duplexer, band filter and Bluetooth built-in antenna send search signal, search for its automated external defibrillator device signal on every side, if inquire the automated external defibrillator device signal, automatically connect with it with regard to control, carry out automatically writing to each other each other after the successful connection, and the automated external defibrillator device signal that searches is passed through radio frequency duplexer, low noise amplifier is sent into the FLASH memory stores, according to present wireless communication technique, automated external defibrillator bluetooth cardiac monitoring device of the present utility model can communicate with interior automated external defibrillator equipment each other with the 100m scope.Whether microprocessor can real-time inquiry FLASH memory inside have the signal of automated external defibrillator equipment, if do not find the automated external defibrillator device signal, just starts warning system, by the light flash of LED and the sound of loudspeaker, and the prompting patient.In the process of real-time monitoring, when the electrocardiosignal that detects the patient occurs when unusual, on the one hand, warning system sends light flash by LED and sound horn is passed on warning message, the prompting surrounding population; On the other hand, microprocessor intercoms with its automated external defibrillator equipment on every side mutually by signal, by automated external defibrillator equipment the abnormal electrocardiogram signal is done further work of treatment, the prompting deliverer implements the automated external defibrillator defibrillation, carry out Emergency Assistance the most rapidly, thereby the Success in Salvage rate further is provided.