CN210244803U - Defibrillation training device - Google Patents
Defibrillation training device Download PDFInfo
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- CN210244803U CN210244803U CN201920934713.3U CN201920934713U CN210244803U CN 210244803 U CN210244803 U CN 210244803U CN 201920934713 U CN201920934713 U CN 201920934713U CN 210244803 U CN210244803 U CN 210244803U
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Abstract
The utility model discloses a training device defibrillates, including defibrillation electrode, resistor, defibrillation energy detection module, communication module, control module, isolation chip and set up the analysis, defibrillation electrode divide into first defibrillation electrode and second defibrillation electrode, the one end and the first electrode connection of defibrillating of resistor, the other end and the energy detection module of defibrillating of resistor are connected, the second defibrillation electrode is connected with defibrillation energy detection module, defibrillation energy detection module and communication module are connected with control module respectively, the one end of keeping apart the chip is connected with control module, the other end of keeping apart the chip is connected with electrocardiosignal analog module's one end, electrocardiosignal analog module's the other end is connected with the other end of resistor, set up analysis module and communication module communication connection. The utility model discloses can prolong the life of this device, improve the security performance, more can improve the teaching quality of defibrillating.
Description
Technical Field
The utility model relates to a medical education equipment field, in particular to trainer of defibrillating.
Background
Training for the use of a defibrillator is critical to health personnel, as time and accuracy are critical factors for successful resuscitation. It is important that defibrillation is performed as quickly as possible when it is determined that defibrillation is needed, and it is important that the defibrillation pad be accurately placed on the chest of the patient.
As the defibrillator and the automatic external defibrillator can send out high-energy electric shock during defibrillation, the high-energy electric shock can bring danger to personal injury, and can not carry out defibrillation exercise on real people. The defibrillation teaching device is suitable for the situation.
The defibrillation teaching equipment in the market at present is divided into several kinds, firstly, training defibrillator, it is used for the training only to can not be used to carry out the actual electric shock of defibrillating for the patient, it is very safe to use, nevertheless training defibrillator can not detect human resistance, can't judge whether defibrillator electrode and skin contact are correct, can't detect whether the electrocardiosignal of model people is normal yet, the user can not experience the actual operation process of charge-discharge. The defibrillation training device is generally matched with a dummy for use, can simulate the human body condition of a defibrillator or an automatic external defibrillator when the defibrillator needs defibrillation, and has good fidelity, however, the defibrillation training devices generally do not isolate defibrillation energy, and the defibrillation energy is easily transmitted to the human body through the dummy, so that safety accidents are caused; the device cannot generate electrocardiosignals detected by a real defibrillator, and the defibrillator cannot detect whether the current heart rate can be defibrillated; in addition, the defibrillation training device does not have the function of judging whether the defibrillation operation is correct, so that teachers can judge whether the defibrillation operation of students is correct only by the operation experience of the teachers in the training process, a uniform judgment standard is difficult to form, and the improvement of the teaching quality of the defibrillation training device is not facilitated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, to the not enough among the above-mentioned prior art, provide a trainer of defibrillating, it can solve in the above problem one or more.
In order to solve the technical problem, the technical scheme of the utility model is that:
a defibrillation training device comprises
The defibrillation electrodes are used for outputting electrocardio analog signals, receiving detection current sent by the defibrillator/automatic external defibrillator and receiving defibrillation energy sent by the defibrillator/automatic external defibrillator, and are divided into a first defibrillation electrode and a second defibrillation electrode;
a resistor for simulating body resistance and for absorbing defibrillation energy delivered by the defibrillator/automatic external defibrillator;
the defibrillation energy detection module is used for detecting the current value of the defibrillation energy sent by the defibrillator/the automatic external defibrillator and converting the current value of the defibrillation energy into a voltage value;
the communication module is used for receiving the type information of the output electrocardio analog signal and sending a defibrillation joule value;
the control module is used for converting the voltage value sent by the defibrillation energy detection module into a corresponding defibrillation joule value and selecting corresponding electrocardio analog signal data stored in the control module according to the type information of the received and output electrocardio analog signal;
the isolation chip is used for isolating the electrocardio analog signal output circuit and the defibrillation energy detection absorption circuit;
the electrocardiosignal simulation module is used for converting the electrocardio simulation signal data sent by the control module into an electrocardio simulation signal which can be identified by the defibrillator/the automatic external defibrillator; and
the device comprises a communication module, a setting and analyzing module and a control module, wherein the communication module is used for transmitting a defibrillation Joule value to the intelligent terminal;
one end of the resistor is connected with the first defibrillation electrode, the other end of the resistor is connected with the defibrillation energy detection module, the second defibrillation electrode is connected with the defibrillation energy detection module, the defibrillation energy detection module and the communication module are respectively connected with the control module, one end of the isolation chip is connected with the control module, the other end of the isolation chip is connected with one end of the electrocardiosignal simulation module, the other end of the electrocardiosignal simulation module is connected with the other end of the resistor, and the setting analysis module is in communication connection with the communication module.
As a preferable scheme, the defibrillation energy detection module includes a current sensor and an operational amplifier, the other end of the resistor is connected to an input end of the current sensor, the second defibrillation electrode is connected to an input end of the current sensor, an input end of the operational amplifier is connected to an output end of the current sensor, and an output end of the operational amplifier is connected to the control module.
As a preferred scheme, the electrocardiosignal simulation module comprises a digital-to-analog conversion chip, a voltage follower, a high-voltage resistor and a resistor, the other end of the isolation chip is connected with one end of the digital-to-analog conversion chip, the other end of the digital-to-analog conversion chip and the resistor are connected in series and then connected with the anode of the input end of the voltage follower, the cathode of the input end of the voltage follower is connected with the output end of the voltage follower, one end of the high-voltage resistor is connected with the output end of the voltage follower, and the other end of the high-voltage resistor is connected with the other end of the resistor.
Preferably, the resistor is an enameled tube resistor, the resistance of the resistor is 150 Ω, and the power of the resistor is 50 w.
Preferably, the operating voltage of the high-voltage resistor is 4 kv.
Preferably, the maximum current value which can be measured by the current sensor is 90A.
As a preferred scheme, the communication module is a WiFi module, a bluetooth module or a mobile communication module.
As a preferable scheme, the electrocardiographic analog signal data includes normal electrocardiographic analog signal data and abnormal electrocardiographic analog signal data.
Preferably, the control module stores a plurality of voltage standard values corresponding to the defibrillation joule values inside.
The invention has the beneficial effects that: 1. the resistor can simulate the human body resistance value to be recognized by the defibrillator/the automatic external defibrillator, can absorb defibrillation energy, avoids the internal damage of the device caused by the fact that the defibrillation energy is not absorbed, can avoid the phenomenon that the human simulator is damaged or a safety accident happens caused by the fact that the defibrillation energy is not absorbed, effectively prolongs the service life of the device and improves the safety performance of the device; 2. the arrangement of the isolation chip can effectively isolate the electrocardio-analog signal output circuit and the defibrillation energy detection absorption circuit, namely, high-low voltage isolation, so that the device can receive high voltage and absorb energy and simultaneously send small electrocardio-analog signals outwards, the electrocardio-signal analog circuit is prevented from being damaged due to high-voltage impact, the service life of the device can be further prolonged, and the safety performance of the device can be improved; 3. the device can simulate the electrocardiosignal to be identified by the defibrillator/the automatic external defibrillator through the coordination of the electrocardiosignal simulation module, the control module, the communication module and the setting analysis module, and the electrocardiosignal simulation data comprises normal electrocardio simulation signal data and abnormal electrocardio simulation signal data, so that students can be examined to judge the situation that the defibrillation is needed, and the teaching quality of the device is effectively improved; 4. through the cooperation of defibrillation energy detection module, control module, communication module and setting analysis module can detect defibrillator/automatic external defibrillator and conduct the joule value of defibrillating on this device, utilize this actual joule value contrastive analysis who defibrillates joule value and defibrillator/automatic external defibrillator actually send, alright judge whether the operation of defibrillating is correct, so can provide a relatively unified judgement standard, effectively improve the teaching quality of trainer of defibrillating.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a flowchart of a method for measuring a standard voltage value according to the present invention;
fig. 3 is a flowchart of a method for converting the voltage value sent by the defibrillation energy detection module into a corresponding defibrillation joule value by the control module according to the present invention;
fig. 4 is a flowchart of a method for determining whether a defibrillation operation is correct according to the present invention.
In the figure: the device comprises a first defibrillation electrode 1, a second defibrillation electrode 2, a resistor 3, a defibrillation energy detection module 4, a current sensor 41, an operational amplifier 42, a communication module 5, a control module 6, an isolation chip 7, an electrocardiosignal analog module 8, a digital-to-analog conversion chip 81, a voltage follower 82, a high-voltage resistor 83 and a resistor 84.
Detailed Description
The structure and operation of the present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, a defibrillation training apparatus comprises
The defibrillation electrodes are used for outputting electrocardio analog signals, receiving detection current sent by the defibrillator/automatic external defibrillator and receiving defibrillation energy sent by the defibrillator/automatic external defibrillator, and are divided into a first defibrillation electrode 1 and a second defibrillation electrode 2;
a resistor 3 for simulating the resistance of the human body and for absorbing the defibrillation energy delivered by the defibrillator/automatic external defibrillator;
the defibrillation energy detection module 4 is used for detecting the current value of the defibrillation energy sent by the defibrillator/the automatic external defibrillator and converting the current value of the defibrillation energy into a voltage value;
the communication module 5 is used for receiving the type information of the output electrocardio analog signal and transmitting the Joule value of defibrillation energy;
the control module 6 is used for converting the voltage value sent by the defibrillation energy detection module 4 into a corresponding defibrillation joule value and selecting corresponding electrocardio analog signal data stored in the control module according to the type information of the received and output electrocardio analog signal;
the isolation chip 7 is used for isolating the electrocardio analog signal output circuit and the defibrillation energy detection absorption circuit;
the electrocardiosignal simulation module 8 is used for converting the electrocardio simulation signal data sent by the control module into an electrocardio simulation signal which can be identified by the defibrillator/the automatic external defibrillator; and
the device comprises a communication module, a setting and analyzing module and a control module, wherein the communication module is used for transmitting a Joule value to the intelligent terminal;
the utility model discloses an electrocardio signal simulation device, including resistor 3, defibrillation electrode 1, defibrillation energy detection module 6, isolation chip 7, SPI circuit and communication module 5, the one end of resistor 3 is connected with first defibrillation electrode 1, the other end of resistor 3 is connected with defibrillation energy detection module 4, second defibrillation electrode 2 is connected with defibrillation energy detection module 4, defibrillation energy detection module 4 and communication module 5 are connected with control module 6 respectively, the one end of isolation chip 7 is passed through the SPI circuit and is connected with control module 6, the other end of isolation chip 7 passes through the SPI circuit and is connected with electrocardiosignal simulation module 8's one end, electrocardiosignal simulation module 8's the other end is connected with the other end of resistor 3, set up analysis module and communication.
The connection mode of the isolation chip 7 and the control module 6 can be other wired connection modes besides the SPI line, and the same connection mode of the isolation chip 7 and the electrocardiosignal simulation module 8 is also the same.
Preferably, the defibrillation energy detection module 4 comprises a current sensor 41 and an operational amplifier 42, the other end of the resistor 3 is connected to the input terminal of the current sensor 41, the second defibrillation electrode 2 is connected to the input terminal of the current sensor 41, the input terminal of the operational amplifier 42 is connected to the output terminal of the current sensor 41, and the output terminal of the operational amplifier 42 is connected to the control module 6.
As a preferable scheme, the electrocardiograph signal analog module 8 includes a digital-to-analog conversion chip 81, a voltage follower 82, a high-voltage resistor 83 and a resistor 84, the other end of the isolation chip 7 is connected with one end of the digital-to-analog conversion chip 81 through an SPI line, the other end of the digital-to-analog conversion chip 81 and the resistor 84 are connected in series and then connected with the positive electrode of the input end of the voltage follower 82, the negative electrode of the input end of the voltage follower 82 is connected with the output end of the voltage follower 82, one end of the high-voltage resistor 83 is connected with the output end of the voltage follower 82, and the other end of the high-voltage resistor 83 is connected with the other end of the resistor.
Preferably, the resistor 3 is an enameled tube resistor, the resistance of the resistor 3 is 150 Ω, and the power of the resistor 3 is 50 w.
Preferably, the operating voltage of the high-voltage resistor 83 is 4 kv.
Preferably, the maximum current value that can be measured by the current sensor 81 is 90A.
As a preferable scheme, the communication module 5 is a WiFi module, a bluetooth module or a mobile communication module.
As a preferable scheme, the electrocardiographic analog signal data includes normal electrocardiographic analog signal data and abnormal electrocardiographic analog signal data.
Preferably, the control module stores a plurality of voltage standard values corresponding to the defibrillation joule values inside.
As shown in fig. 2, the method for measuring the standard voltage value is based on a defibrillator and the defibrillation training apparatus as described above, and comprises the following steps:
1) enabling the defibrillation joule value of one gear of the defibrillator to shock the defibrillation electrode;
2) the control module 6 sends the acquired voltage value to the setting analysis module through the communication module 5;
3) and the setting analysis module records the voltage value corresponding to the defibrillation joule value as a voltage standard value.
Because the defibrillator is provided with a plurality of gears, the defibrillation joule value of each gear is different, and the voltage value of each gear is also different, and the voltage standard value corresponding to the defibrillation joule value of each gear can be obtained by measuring for many times according to the method.
The defibrillation joule value of each gear is measured for multiple times, the maximum value and the minimum value of the voltage value obtained through multiple measurements are removed, and then the voltage standard value is obtained after the rest voltage values are averaged.
As shown in fig. 3, the method for converting the voltage value sent by the defibrillation energy detection module 4 into the corresponding defibrillation joule value by the control module 6 includes the following steps:
1) the control module 6 divides the voltage standard value into a plurality of voltage intervals;
2) the control module 6 selects a voltage interval closest to the voltage value according to the voltage value;
3) the control module 6 subtracts the minimum value in the voltage interval from the voltage value to obtain a first voltage difference value;
4) the control module 6 subtracts the voltage value from the maximum value in the voltage interval to obtain a second voltage difference value;
5) the control module 6 judges whether the first voltage difference value is greater than the second voltage difference value, if so, the control module 6 converts the voltage value into a defibrillation joule value corresponding to the maximum value of the voltage interval; if not, the control module 6 converts the voltage value into a defibrillation joule value corresponding to the minimum value of the voltage interval.
Since the voltage values corresponding to the defibrillation joule values at the same gear of different defibrillators are different, the above method needs to be used to convert the measured voltage value into the corresponding defibrillation joule value.
As shown in fig. 4, the method for determining whether the defibrillation operation is correct includes the following steps:
1) setting an analysis module to subtract the actual Joule value input to the defibrillation electrode by the defibrillator/the automatic external defibrillator from the Joule value sent by the communication module 5 to obtain a Joule difference value;
2) and the setting analysis module judges whether the joule difference value is larger than the joule threshold value, if so, the setting analysis module judges that the defibrillation operation is incorrect, and if not, the setting analysis module judges that the defibrillation operation is correct.
And (3) electrocardio analog signal output: an operator sets the type of the electrocardio analog signal through the setting and analyzing module to generate the type information of the electrocardio analog signal, the setting and analyzing module sends the type information of the electrocardio analog signal to the control module 6 through the communication module 5, the control module 6 selects corresponding electrocardio analog signal data according to the received type information, sends the electrocardio analog signal data to the electrocardio signal analog module 8 through the isolation chip 7 to be converted into the electrocardio analog signal which can be identified by the defibrillator/the automatic external defibrillator and is output through the first defibrillation electrode 1 and the second defibrillation electrode 2.
Simulation of human body resistance: there are two conditions due to the defibrillator/automatic external defibrillator delivering the shock: 1. detecting a resistance value which is almost the same as the resistance value of the human body; 2. monitoring the electrocardiosignals as abnormal electrocardiosignals; the device can simulate abnormal electrocardiosignals to be identified by the defibrillator/automatic external defibrillator through the matching of the electrocardiosignal simulation module 8, the control module 6, the communication module 5 and the setting analysis module, and meanwhile, the resistance value of the resistor is 150 omega and is almost the same as the resistance value of a human body, so that the defibrillator/automatic external defibrillator can detect the resistance value which is almost the same as the resistance value of the human body.
Defibrillation energy absorption: the operating personnel is with the defibrillator/automatic external defibrillator to the electrode shock of defibrillating, the energy of defibrillating is absorbed by the resistor, can avoid causing the device internal damage because of the energy of defibrillating can't be absorbed completely like this, effectively prolong this device life, can avoid the energy of defibrillating not absorbed simultaneously and cause the emergence of anthropomorphic dummy damage or incident, improve the security performance.
Defibrillation energy measurement: an operator uses a defibrillator/an automatic external defibrillator to shock a defibrillation electrode, the current of defibrillation energy flows into the current sensor 41, the current sensor 41 measures the current value of the current, the current value is converted into a voltage value through the operational amplifier 42 and then is collected by the control module 6, the control module 6 converts the voltage value into a corresponding defibrillation joule value and sends the corresponding defibrillation joule value to the setting analysis module through the communication module 5, and the setting analysis module judges whether the defibrillation operation of the operator is correct according to the received defibrillation joule value, so that a relatively uniform judgment standard can be provided, and the teaching quality of the defibrillation training device is effectively improved.
The utility model has the advantages that: 1. the resistor 3 can simulate the resistance value of a human body to be recognized by a defibrillator/an automatic external defibrillator, can absorb defibrillation energy, avoids the internal damage of the device caused by the fact that the defibrillation energy is not absorbed, can avoid the phenomenon that a human simulator is damaged or a safety accident happens caused by the fact that the defibrillation energy is not absorbed, effectively prolongs the service life of the device and improves the safety performance of the device; 2. the isolation chip 7 can effectively isolate the electrocardio-analog signal output circuit and the defibrillation energy detection absorption circuit, namely, high-low voltage isolation, so that the device can receive high voltage and absorb energy and simultaneously send electrocardio-analog small signals outwards, the electrocardio-signal analog circuit is prevented from being damaged due to high-voltage impact, the service life of the device can be further prolonged, and the safety performance of the device can be improved; 3. the device can simulate the electrocardiosignals to be identified by a defibrillator/an automatic external defibrillator through the coordination of the electrocardiosignal simulation module 8, the control module 6, the communication module 5 and the setting analysis module, and the electrocardio simulation signal data comprises normal electrocardio simulation signal data and abnormal electrocardio simulation signal data, so that students can be examined to judge the situation that the defibrillation is needed, and the teaching quality of the device is effectively improved; 4. through the cooperation of defibrillation energy detection module 4, control module 6, communication module 5 and setting analysis module can detect defibrillator/automatic external defibrillator conduction to the joule value of defibrillating on this device, utilize this actual joule value contrastive analysis who defibrillates joule value and defibrillator/automatic external defibrillator actually send, alright judge whether the operation of defibrillating is correct, so can provide a relatively unified judgement standard, effectively improve the teaching quality of training device of defibrillating.
The aforesaid, only the utility model discloses preferred embodiment, all the basis the utility model discloses a technical scheme does any slight modification, the equivalent change and the modification to above embodiment, and the electrical parameter modification under any equal electrical principle condition all belongs to the utility model discloses technical scheme's within range.
Claims (9)
1. A defibrillation training device, characterized in that: comprises that
The defibrillation electrodes are used for outputting electrocardio analog signals, receiving detection current sent by the defibrillator/automatic external defibrillator and receiving defibrillation energy sent by the defibrillator/automatic external defibrillator, and are divided into a first defibrillation electrode and a second defibrillation electrode;
a resistor for simulating body resistance and for absorbing defibrillation energy delivered by the defibrillator/automatic external defibrillator;
the defibrillation energy detection module is used for detecting the current value of the defibrillation energy sent by the defibrillator/the automatic external defibrillator and converting the current value of the defibrillation energy into a voltage value;
the communication module is used for receiving the type information of the output electrocardio analog signal and sending a defibrillation joule value;
the control module is used for converting the voltage value sent by the defibrillation energy detection module into a corresponding defibrillation joule value and selecting corresponding electrocardio analog signal data stored in the control module according to the type information of the received and output electrocardio analog signal;
the isolation chip is used for isolating the electrocardio analog signal output circuit and the defibrillation energy detection absorption circuit;
the electrocardiosignal simulation module is used for converting the electrocardio simulation signal data sent by the control module into an electrocardio simulation signal which can be identified by the defibrillator/the automatic external defibrillator; and
the device comprises a communication module, a setting and analyzing module and a control module, wherein the communication module is used for transmitting a defibrillation Joule value to the intelligent terminal;
one end of the resistor is connected with the first defibrillation electrode, the other end of the resistor is connected with the defibrillation energy detection module, the second defibrillation electrode is connected with the defibrillation energy detection module, the defibrillation energy detection module and the communication module are respectively connected with the control module, one end of the isolation chip is connected with the control module, the other end of the isolation chip is connected with one end of the electrocardiosignal simulation module, the other end of the electrocardiosignal simulation module is connected with the other end of the resistor, and the setting analysis module is in communication connection with the communication module.
2. A defibrillation training device according to claim 1, characterized in that: the defibrillation energy detection module comprises a current sensor and an operational amplifier, the other end of the resistor is connected with the input end of the current sensor, the second defibrillation electrode is connected with the input end of the current sensor, the input end of the operational amplifier is connected with the output end of the current sensor, and the output end of the operational amplifier is connected with the control module.
3. A defibrillation training device according to claim 1, characterized in that: electrocardiosignal analog module includes digital-to-analog conversion chip, voltage follower, high-voltage resistor and resistance, the other end of keeping apart the chip is connected with digital-to-analog conversion chip's one end, digital-to-analog conversion chip's the other end and resistance are established ties the back and are connected with the positive pole of voltage follower input, the negative pole of voltage follower input is connected with the output of voltage follower, high-voltage resistor's one end is connected with the output of voltage follower, high-voltage resistor's the other end is connected with the other end of resistor.
4. A defibrillation training device according to claim 1, characterized in that: the resistor is a glazed porcelain tube resistor, the resistance value of the resistor is 150 omega, and the power of the resistor is 50 w.
5. A defibrillation training device according to claim 3, characterized in that: the working voltage of the high-voltage resistor is 4 kv.
6. A defibrillation training apparatus according to claim 2, characterized in that: the maximum current value that can be measured by the current sensor is 90A.
7. A defibrillation training device according to claim 1, characterized in that: the communication module is a WiFi module, a Bluetooth module or a mobile communication module.
8. A defibrillation training device according to claim 1, characterized in that: the electrocardio-analog signal data comprises normal electrocardio-analog signal data and abnormal electrocardio-analog signal data.
9. A defibrillation training device according to claim 1, characterized in that: a plurality of voltage standard values corresponding to the defibrillation joule values are stored in the control module.
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| CN201920934713.3U CN210244803U (en) | 2019-06-20 | 2019-06-20 | Defibrillation training device |
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| CN201920934713.3U CN210244803U (en) | 2019-06-20 | 2019-06-20 | Defibrillation training device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189607A (en) * | 2019-06-20 | 2019-08-30 | 广东医和科技有限公司 | A kind of defibrillation training device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189607A (en) * | 2019-06-20 | 2019-08-30 | 广东医和科技有限公司 | A kind of defibrillation training device |
| CN110189607B (en) * | 2019-06-20 | 2024-03-22 | 广东医和科技有限公司 | Defibrillation training device |
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Address after: 523000 Room 301, building 3, No. 378, Xiabian street, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Guangdong Medical Technology Co.,Ltd. Address before: 523000 Provincial Highway 1251 302, Xiagang Community, Chang'an Town, Dongguan City, Guangdong Province Patentee before: Guangdong Medical Technology Co.,Ltd. |