Patent Description:
Heart diseases such as cardiac arrests are one of the main causes of human death. About <NUM>% to <NUM>% of the patients with cardiac arrests undergo ventricular fibrillation in an early stage. The main way to treat ventricular fibrillation is to use a defibrillator to perform electrical defibrillation on patients. The defibrillator usually comprises a main machine and two electrode pads inserted into the main machine. The electrode pads are configured to be stuck to a target patient. The main machine generates a high voltage required for defibrillation, and transmits the high voltage required for defibrillation to the body of the target patient through the electrode pads. Whether a discharging loop composed of the main machine, the electrode pads, and the human body is normal will directly determine whether the high voltage required for defibrillation can be applied to the body of the patient normally. However, in the case of non-clinical use, the electrode pads are sealed and packaged, and are not connected to the patient, and there is no external direct connection path. Therefore, an effective loop cannot be formed for the self-check of the discharging loop of the electrode pads, making it inconvenient for device maintenance personnel of the defibrillator to maintain the defibrillator.

<CIT>, <CIT> and <CIT> discloses defibrillators comprising a detector configured to detect connection between electrode pads and the defibrillator by providing a conductive path between the two electrode pads, which is similar to detection of patient impedence.

The present invention provides a defibrillator according to claim <NUM> and a set of electrode pads according to claim <NUM>.

Compared with the prior art, the defibrillator provided in the present application can detect whether the first electrode pad and the second electrode pad are successfully connected to a main machine, and detect whether the first electrode pad and the second electrode pad are in a normal state, making it convenient for device maintenance personnel of the defibrillator to maintain the defibrillator.

In order to illustrate the structural features and effects of the disclosure more clearly, they will be described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the drawings in the following description are some of the embodiments of the disclosure, and those of ordinary skill in the art would also have been able to obtain other drawings according to these drawings without involving any inventive effort.

The technical solutions in the embodiments of the disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the disclosure. Obviously, the described embodiments are merely some rather than all of the embodiments of the disclosure. Based on the embodiments in the disclosure, all other embodiments that would be obtained by those of ordinary skill in the art without involving any inventive effort shall all fall within the scope of protection of the disclosure.

"Embodiment" mentioned herein means that a specific feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the disclosure. The phrase at various locations in the specification does not necessarily refer to the same embodiment, or an independent or alternative embodiment exclusive of other embodiments. Those skilled in the art understand, in explicit and implicit manners, that an embodiment described herein may be combined with another embodiment.

In order to make the technical solutions provided in the embodiments of the disclosure clearer, the above solutions are described in detail below with reference to the accompanying drawings. Referring to <FIG> and <FIG> together, <FIG> is a schematic diagram of a circuit structure of a defibrillator according to a first embodiment of the present application; and <FIG> is a schematic diagram of an operating environment of the defibrillator according to the first embodiment of the present application. A defibrillator <NUM> comprises a main machine <NUM>, a first electrode pad <NUM>, a second electrode pad <NUM>, and a detector <NUM>. The detector <NUM> is electrically connected to the first electrode pad <NUM> and the second electrode pad <NUM>, and is configured to detect whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>, and detect whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal. The detector <NUM> may be arranged in the main machine <NUM> or outside the main machine <NUM>. In the figure, it is shown that the detector <NUM> is arranged outside the main machine <NUM>.

Compared with the prior art, the defibrillator provided in the present application can detect whether the first electrode pad and the second electrode pad are successfully connected, and detect whether the first electrode pad and the second electrode pad are in a normal state, making it convenient for device maintenance personnel of the defibrillator to maintain the defibrillator.

Referring to <FIG> is a schematic structural diagram of a defibrillator according to a second embodiment of the present application. In this embodiment, the defibrillator <NUM> further comprises a sensor <NUM>, an analysis module <NUM>, a discharging module <NUM>, a charging module <NUM>, and a power supply <NUM>. The sensor <NUM>, the analysis module <NUM>, the discharging module <NUM>, the charging module <NUM>, and the power supply <NUM> may be arranged in the main machine <NUM> or outside the main machine <NUM>. When the defibrillator <NUM> is in use, the first electrode pad <NUM> and the second electrode pad <NUM> are stuck to a target object. For example, the first electrode pad <NUM> and the second electrode pad <NUM> are stuck to but not limited to being stuck to the chest of the target object. The sensor <NUM> is electrically connected to the first electrode pad <NUM> and the second electrode pad <NUM>, and the sensor <NUM> senses the heart activity of the target object through the first electrode pad <NUM> and the second electrode pad <NUM> to obtain a corresponding electrocardiogram (ECG) signal. The analysis module <NUM> may analyze the electrocardiogram signal to determine whether the target object meets an electric shock condition. For example, when it is determined according to the ECG signal that a heart rhythm of the target object is characterized by at least one of ventricular fibrillation, ventricular tachycardia, and ventricular flutter, it may be determined that the target object meets the electric shock condition. When it is determined according to the ECG signal that the heart rhythm of the target object is characterized by any one of bradycardia, electromechanical dissociation, idioventricular rhythm, and normal heart rhythm, it may be determined that the target object does not meet the electric shock condition. When the target object meets the electric shock condition and an electric shock instruction is received, the discharging module <NUM> can release defibrillation energy through the first electrode pad <NUM> and the second electrode pad <NUM> to treat the target object. In an embodiment, when the target object meets the electric shock condition, an electric shock instruction is automatically triggered. In another embodiment, the defibrillator <NUM> comprises a discharging button, and when the discharging button is pressed, an electric shock instruction is triggered. Specifically, when the target object meets the electric shock condition, an alarm unit of the defibrillator <NUM> issues prompt information, which is used to give a prompt that the target object is allowed to be subjected to an electric shock, and an operator can press the discharging button according to the prompt information, so as to trigger the electric shock instruction.

Still further, the sensor <NUM> comprises a sensing submodule <NUM> and a setting submodule <NUM>. When the first electrode pad <NUM> and the second electrode pad <NUM> are stuck to the target object, the sensing submodule is configured to sense a first signal when the first electrode pad <NUM> and the second electrode pad <NUM> are stuck to the target object, and the analysis module <NUM> is configured to analyze whether there is a second signal that represents a pacemaker in the first signal. The setting submodule <NUM> is configured to subtract, when there is a second signal that represents a pacemaker in the first signal, the second signal from the first signal to obtain the ECG signal; and the setting submodule <NUM> is further configured to set the first signal as the ECG signal when there is no second signal that represents a pacemaker in the first signal. In this implementation, whether the target object wears a pacemaker is detected to prevent interference to the ECG signal when the target object wears a pacemaker.

It can be understood that the term "module" used in the present application may be an integrated chip with a certain function, or a common circuit composed of circuit components, or in other forms. The specific form of implementing the "module" is not limited in the present application, provided that the corresponding function can be implemented. For example, the function of the "analysis module <NUM>" mentioned above is to analyze the electrocardiogram signal to determine whether the target object meets the electric shock condition. The specific form of implementing the "analysis module <NUM>" may be an integrated chip or a common circuit composed of circuit components.

The charging module <NUM> is configured to receive and store electric energy, and when the target object meets the electric shock condition and an electric shock instruction is received, the energy stored in the charging module <NUM> is loaded onto the first electrode pad <NUM> and the second electrode pad <NUM> by means of the discharging module <NUM> and transferred to the target object. In an embodiment, the charging module <NUM> and the discharging module <NUM> may also be integrated into a charging and discharging module. The charging and discharging module can not only receive a charging signal and store energy, but also release the stored energy. In an embodiment, the power supply <NUM> may be a primary battery or a rechargeable battery.

Referring also to <FIG> is a schematic diagram of a circuit structure of a detector in the defibrillator according to the first embodiment of the present application. The detector <NUM> comprises a signal generation module <NUM>, a detection module <NUM>, and a determination module <NUM>. The signal generation module <NUM> is configured to generate a test signal, the detection module <NUM> is configured to detect a detection signal generated after the test signal passes through the first electrode pad <NUM> and the second electrode pad <NUM>, and the determination module <NUM> determines, according to the detection signal, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM> and determines whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal.

Specifically, when the detection module <NUM> receives the detection signal, the determination module <NUM> determines that the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>. When the detection module <NUM> fails to receive the detection signal, the determination module <NUM> determines that the first electrode pad <NUM> and the second electrode pad <NUM> are not successfully connected to the main machine <NUM>.

Further, the determination module <NUM> determines, according to magnitude of a resistance value in the detection signal received by the detection module <NUM>, whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal. For example, when a conductive adhesive in each of the first electrode pad <NUM> and the second electrode pad <NUM> has poor performance (for example, the conductive adhesive is dry), the resistance value in the obtained detection signal exceeds a preset resistance value; and when the conductive adhesive in each of the first electrode pad <NUM> and the second electrode pad <NUM> has good performance, the resistance value in the obtained detection signal is less than or equal to the preset resistance value.

In this embodiment, the detection module <NUM> can determine, according to whether the detection signal can be received, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>, and at the same time, can determine, according to the magnitude of the resistance value in the detection signal, whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal, so as to achieve the technical effect of performing a plurality of determinations in one measurement.

Further, the signal generation module <NUM> comprises a first terminal <NUM> and a second terminal <NUM>. The first terminal <NUM> is electrically connected to the first electrode pad <NUM>, the second terminal <NUM> is electrically connected to the second electrode pad <NUM>, and the test signal is output to the first electrode pad <NUM> and the second electrode pad <NUM> via the first terminal <NUM> and the second terminal <NUM>.

Further, the detection signal is an analogue signal, the detector <NUM> comprises a sampling module <NUM>, and the sampling module <NUM> is configured to sample the detection signal; and the determination module <NUM> determines, according to the sampled detection signal, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM> and determines whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal, wherein the sampled detection signal is a digital signal. The test signal is an analogue signal, and the sampling module <NUM> samples the test signal to obtain a digital signal, so as to reduce the amount of data processed when the determination module <NUM> performs a determination.

Further, the detector <NUM> further comprises an amplification module <NUM>, and the amplification module <NUM> is configured to amplify the detection signal and then output the signal to the sampling module <NUM>. In this case, the sampling module <NUM> is configured to sample the amplified detection signal. After the amplification module <NUM> amplifies the detection signal, the accuracy of a result of determination can be improved.

Referring to <FIG> is a schematic diagram of an equivalent circuit of the defibrillator according to the first embodiment of the present application. A contact resistance between the first electrode pad <NUM> and the main machine <NUM> is equivalent to that of a first resistor R1, a contact resistance between the second electrode pad <NUM> and the main machine <NUM> is equivalent to that of a second resistor R2, a capacitance between the first electrode pad <NUM> and the second electrode pad <NUM> is equivalent to that of a capacitor C, one terminal of the capacitor is connected to the first resistor R1, and the other terminal of the capacitor C is connected to the second resistor R2. That is, when the first electrode pad <NUM> and the second electrode pad <NUM> are both connected to the main machine <NUM> well, the signal generation module <NUM>, the first resistor R1, the second resistor R2, and the capacitor C form a loop. After a test signal with a certain frequency and amplitude that is generated by the signal generation module <NUM> passes through the first electrode pad <NUM> and the second electrode pad <NUM>, the detection module <NUM> detects the signal on the capacitor to obtain the detection signal. According to the detection signal, the determination module <NUM> determines whether the first electrode pad <NUM> is successfully connected to the main machine <NUM>, determines whether the second electrode pad <NUM> is successfully connected to the main machine <NUM>, and determines whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal. The specific determination process is described in detail as follows.

When the first electrode pad <NUM> is normal and the first electrode pad <NUM> is successfully connected to the main machine <NUM>, a resistance value of the first resistor R1 is very small; and when a second electrode is normal and the second electrode pad <NUM> is successfully connected to the main machine <NUM>, a resistance value of the second resistor R2 is very small. When the first electrode pad <NUM> is normal and the first electrode pad <NUM> is successfully connected to the main machine <NUM>, the resistance value of the first resistor R1 is generally less than <NUM> ohm; and when a second electrode is normal and the second electrode pad <NUM> is successfully connected to the main machine <NUM>, the resistance value of the second resistor R2 is generally less than <NUM> ohm. An equivalent capacitance between the first electrode pad <NUM> and the second electrode pad is generally between <NUM> pF and <NUM> pF. When the first electrode pad <NUM> is normal and the first electrode pad <NUM> is successfully connected to the main machine <NUM>, and when the second electrode pad <NUM> is normal and the second electrode pad <NUM> is successfully connected to the main machine <NUM>, after a test signal with a certain frequency and amplitude that is generated by the signal generation module <NUM> passes through the first electrode pad <NUM> and the second electrode pad <NUM>, the detection module <NUM> can obtain a corresponding detection signal according to the test signal.

When the above loop is abnormal, for example, the first electrode pad <NUM> is not connected to the main machine <NUM>, or the second electrode pad <NUM> is not connected to the main machine <NUM>, and when the test signal is loaded onto the first electrode pad <NUM> and the second electrode pad <NUM>, the detection module <NUM> can hardly collect detection signals. Similarly, when the first electrode pad <NUM> and the second electrode pad <NUM> do not have opposite areas, or when the conductive adhesive in the first electrode pad <NUM> is not sufficiently viscous, or the conductive adhesive in the first electrode pad <NUM> is dry, or the conductive adhesive in the second electrode pad <NUM> is not sufficiently viscous, or the conductive adhesive in the second electrode pad <NUM> is dry, no capacitance can be formed between the first electrode pad <NUM> and the second electrode pad <NUM>. In this case, a voltage divider network of the first resistor R1, the second resistor R2, and the capacitor cannot be formed, and then an impedance value obtained according to the detection signal is greater than a preset impedance value.

Further, the test signal comprises a first test sub-signal and a second test sub-signal. The detection signal comprises a first detection sub-signal and a second detection sub-signal; when the first test sub-signal is loaded onto the first electrode pad <NUM> and the second electrode pad <NUM>, a corresponding detection signal is the first detection sub-signal, and when the second test sub-signal is loaded onto the first electrode pad <NUM> and the second electrode pad <NUM>, a corresponding detection signal is the second detection sub-signal; and the determination module <NUM> determines, according to a difference between the first detection sub-signal and the second detection sub-signal, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>, and determines whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal. In this embodiment, the accuracy of a result of determination can be improved by comparing the first detection sub-signal and the second detection sub-signal.

Specifically, the signal generation module <NUM> generates a first test sub-signal and a second test sub-signal. When the first test sub-signal is loaded onto the first electrode pad <NUM> and the second electrode pad <NUM>, the detection signal obtained by the detection module <NUM> is called a first detection sub-signal; and when the second test sub-signal is loaded onto the first electrode pad <NUM> and the second electrode pad <NUM>, the detection signal obtained by the detection module <NUM> is called a second detection sub-signal. In this embodiment, the accuracy of the result of determination can be improved by using the two detection results.

Further, the detector <NUM> also comprises a time sequence control module <NUM>. The time sequence control module <NUM> controls the first test sub-signal to be loaded onto the first electrode pad <NUM> and the second electrode pad <NUM> before the second test sub-signal, and a frequency of the second test sub-signal is different from that of the first test sub-signal, or an amplitude value of the second test sub-signal is greater than that of the first test sub-signal. In this embodiment, the time sequence control module <NUM> is electrically connected to the signal generation module <NUM>, so as to control the time sequence of loading the first test sub-signal and the second test sub-signal generated by the signal generation module <NUM> onto the first electrode pad <NUM> and the second electrode pad <NUM>.

A frequency characteristic of a capacitor is Xc = <NUM>/(2πfc), where Xc is an equivalent impedance of the capacitor, and fc is a frequency of a detection signal. Therefore, for a test signal with a different frequency, a corresponding equivalent impedance of the capacitor is different. When the first electrode pad <NUM> and the second electrode pad <NUM> cannot face each other normally due to packaging and other causes, coupling between the first electrode pad <NUM> and the second electrode pad <NUM> is relatively poor, and when a frequency of the detection signal is a low frequency, it cannot be accurately determined whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>, and it cannot be accurately determined whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal. Therefore, the determination module <NUM> can improve the accuracy of the result of determination by comparing a first detection sub-signal and a second detection sub-signal corresponding to a first test sub-signal and a second test sub-signal with different frequencies. Further, the amplitude of the second test sub-signal is greater than the amplitude value of the first test sub-signal, which is beneficial to improving a signal-to-noise ratio and further improves the accuracy of the result of determination.

Further, referring to <FIG> is a schematic diagram of a circuit structure of the defibrillator according to the second embodiment of the present application. A structure of the defibrillator <NUM> provided in this implementation is basically the same as that of the defibrillator <NUM> provided in the first implementation of the present application, except that in this implementation, the detector <NUM> further comprises a first test resistor <NUM>. One terminal of the first test resistor <NUM> is electrically connected to the first electrode pad <NUM>, and the other terminal of the first test resistor <NUM> is electrically connected to the second electrode pad <NUM>. One terminal of the detection module <NUM> is electrically connected to a node between the first test resistor <NUM> and the first electrode pad <NUM>, and the other terminal of the detection module <NUM> is electrically connected to a node between the first test resistor <NUM> and the second electrode pad <NUM>.

When a capacitance cannot be formed between the first electrode pad <NUM> and the second electrode pad <NUM> due to various causes, the first test resistor <NUM> is added to be electrically connected between the first electrode pad <NUM> and the second electrode pad <NUM> in this embodiment, so as to improve the certainty of forming a loop required for the test. The detection module <NUM> compares a detected resistance value with a resistance value of the first test resistor <NUM> to determine whether the first electrode pad <NUM> is successfully connected to the main machine <NUM> and determine whether the second electrode pad <NUM> is successfully connected to the main machine <NUM>. Specifically, when the first electrode pad <NUM> is successfully connected to the main machine <NUM> and the second electrode pad <NUM> is successfully connected to the main machine <NUM>, a difference between the resistance value represented by the detection signal and the resistance value of the first test resistor <NUM> is within a preset range; and when the first electrode pad <NUM> is absuccessfully connected to the main machine <NUM> or the second electrode pad <NUM> is not successfully connected to the main machine <NUM> or the first electrode pad <NUM> and the second electrode pad <NUM> are not successfully connected to the main machine <NUM>, the difference between the resistance value represented by the detection signal and the resistance value of the first test resistor <NUM> is beyond the preset range. Therefore, in this embodiment, by detecting whether the first test resistor <NUM> is connected normally, it can be determined whether the first electrode pad <NUM> is successfully connected to the main machine <NUM>, and whether the second electrode pad <NUM> is successfully connected to the main machine <NUM>.

Further, in normal use of the defibrillator <NUM>, when a user takes out the first electrode pad <NUM> and the second electrode pad <NUM> from a packaging bag, and sticks the first electrode pad <NUM> and the second electrode pad <NUM> to different parts of the body of the target object, it is possible to disconnect the first test resistor <NUM> and the first electrode pad <NUM>, or disconnect the first test resistor <NUM> and the second electrode pad <NUM>, or disconnect the first test resistor <NUM> and both the first electrode pad <NUM> and the second electrode pad <NUM>, thereby not affecting normal use of the defibrillator <NUM>.

Further, referring to <FIG> and <FIG> together, <FIG> is a schematic structural diagram of a defibrillator, according to a third embodiment of the present application, in which a first electrode pad and a second electrode pad are not inserted into a main machine; and <FIG> is a schematic structural diagram of the defibrillator, according to the third embodiment of the present application, in which the first electrode pad and the second electrode pad are inserted into the main machine. The structure of the defibrillator <NUM> provided in this embodiment is basically the same as that of the defibrillator <NUM> provided in the first embodiment of the present application. The first electrode pad <NUM> and the second electrode pad <NUM> are inserted into the socket holes in the main machine <NUM> through connectors. The difference is that in this embodiment, the detector <NUM> further comprises a second test resistor <NUM>. One terminal of the second test resistor <NUM> is electrically connected to a connector of the first electrode pad <NUM>, the other terminal of the second test resistor <NUM> is electrically connected to a plug of the second electrode pad <NUM>, the detection module <NUM> is electrically connected to an socket hole of the main machine <NUM>, and the determination module <NUM> determines, according to a resistance value detected by the detection module <NUM> and a resistance value of the second test resistor <NUM>, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>.

Correspondingly, the first electrode pad <NUM> comprises a first substrate <NUM>, a first wire <NUM>, and a first connector <NUM>. The first connector <NUM> comprises a first pin <NUM> and a second pin <NUM>. The second electrode pad <NUM> comprises a second substrate <NUM>, a second wire <NUM>, and a second connector <NUM>. The second connector <NUM> comprises a third pin <NUM> and a fourth pin <NUM>. The first substrate <NUM> is electrically connected to the first pin <NUM> with the first wire <NUM>, one terminal of the second test resistor <NUM> is electrically connected to the second pin <NUM>, the other terminal of the second test resistor <NUM> is electrically connected to the third pin <NUM>, and the second substrate <NUM> is electrically connected to the fourth pin <NUM> with the second wire <NUM>. The main machine <NUM> comprises a first socket hole <NUM>, a second socket hole <NUM>, a third socket hole <NUM>, and a fourth socket hole <NUM>. The first pin <NUM> corresponds to the first socket hole <NUM>, the second pin <NUM> corresponds to the second socket hole <NUM>, the third pin <NUM> corresponds to the third socket hole <NUM>, and the fourth pin <NUM> corresponds to the fourth socket hole <NUM>. The detection module <NUM> is electrically connected to the second socket hole <NUM> and the third socket hole <NUM>, and the detection module <NUM> detects a resistance value between the second socket hole <NUM> and the third socket hole <NUM>. The determination module <NUM> further determines, according to the resistance value detected by the detection module <NUM> and the resistance value of the second test resistor <NUM>, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>.

It can be understood that in the embodiment, the detector <NUM> may further comprise a sampling module and an amplification module. For a connection relationship between other modules in the detector <NUM> and each of the sampling module and the amplification module and functions of the acquisition module and the amplification module, reference may be made to <FIG> and the related description.

In this embodiment, when the first electrode pad <NUM> is inserted into the main machine <NUM>, the first pin <NUM> is inserted into the first socket hole <NUM>, and the second pin <NUM> is inserted into the second socket hole <NUM>. When the second electrode pad <NUM> is inserted into the main machine <NUM>, the third pin <NUM> is inserted into the third socket hole <NUM>, and the fourth pin <NUM> is inserted into the fourth socket hole <NUM>. When the first electrode pad <NUM> is disconnected from the main machine <NUM>, the first pin <NUM> and the second pin <NUM> are disconnected from the main machine <NUM>. When the second electrode pad <NUM> is disconnected from the main machine <NUM>, the third pin <NUM> and the fourth pin <NUM> are disconnected from the main machine <NUM>. Since one terminal of the second test resistor <NUM> is electrically connected to the second pin <NUM>, and the other terminal thereof is electrically connected to the third pin <NUM>, when the first electrode pad <NUM> and the second electrode pad <NUM> are inserted into the main machine <NUM>, one terminal of the second test resistor <NUM> is electrically connected to the second socket hole <NUM>, and the other terminal of the second test resistor <NUM> is electrically connected to the third socket hole <NUM>. In this case, the detection module <NUM> can be electrically connected to the second test resistor <NUM>, and the detection module <NUM> can detect the resistance value of the second test resistor <NUM>. When the first electrode pad <NUM> and the second electrode pad <NUM> are both disconnected from the main machine <NUM>, the second test resistor <NUM> is disconnected from the second socket hole <NUM> and the third socket hole <NUM>. In this case, the detection module <NUM> fails to detect the resistance value of the second resistor R2. Therefore, the determination module <NUM> determines, according to the resistance value detected by the detection module <NUM> and the resistance value of the second test resistor <NUM>, whether the first electrode pad <NUM> is successfully connected to the main machine <NUM> and determines whether the second electrode pad <NUM> is successfully connected to the main machine <NUM>.

Further, referring to <FIG> and <FIG>, <FIG> is a schematic structural diagram of a defibrillator, according to a fourth embodiment of the present application, in which a first electrode pad and a second electrode pad are not inserted into a main machine; and <FIG> is a schematic structural diagram of the defibrillator, according to the fourth embodiment of the present application, in which the first electrode pad and the second electrode pad are inserted into the main machine. The structure of the defibrillator <NUM> provided in this embodiment is basically the same as that of the defibrillator <NUM> provided in the first embodiment of the present application, except that in this embodiment, the first electrode pad <NUM> and the second electrode pad <NUM> are inserted into the socket holes in the main machine <NUM> through plugs. The detector <NUM> further comprises an integrated chip <NUM> (represented by IC in the figure). one terminal of the integrated chip <NUM> is electrically connected to a plug of the first electrode pad <NUM>, and the other terminal of the integrated chip <NUM> is electrically connected to a plug of the second electrode pad <NUM>. The detection module <NUM> is electrically connected to an socket hole of the main machine <NUM>, and the determination module <NUM> determines, according to whether the detection module <NUM> can read content of the integrated chip <NUM>, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>.

Specifically, the first electrode pad <NUM> comprises a first substrate <NUM>, a first wire <NUM>, and a first connector <NUM>. The first connector <NUM> comprises a first pin <NUM> and a second pin <NUM>. The second electrode pad <NUM> comprises a second substrate <NUM>, a second wire <NUM>, and a second connector <NUM>. The second connector <NUM> comprises a third pin <NUM> and a fourth pin <NUM>. The main machine <NUM> comprises a first socket hole <NUM>, a second socket hole <NUM>, a third socket hole <NUM>, and a fourth socket hole <NUM>. The first substrate <NUM> is electrically connected to the first pin <NUM> with the first wire <NUM>, the integrated chip <NUM> is separately electrically connected to the second pin <NUM> and the third pin <NUM>, the second substrate <NUM> is electrically connected to the fourth pin <NUM> with the second wire <NUM>, the first pin <NUM> corresponds to the first socket hole <NUM>, the second pin <NUM> corresponds to the second socket hole <NUM>, the third pin <NUM> corresponds to the third socket hole <NUM>, and the fourth pin <NUM> corresponds to the fourth socket hole <NUM>. The detection module <NUM> is electrically connected to the second socket hole <NUM> and the third socket hole <NUM>, and the determination module <NUM> determines, according to whether the detection module <NUM> can read the content of the integrated chip <NUM>, whether the electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>.

In this embodiment, when the first electrode pad <NUM> is inserted into the main machine <NUM>, the first pin <NUM> is inserted into the first socket hole <NUM>, and the second pin <NUM> is inserted into the second socket hole <NUM>. When the second electrode pad <NUM> is inserted into the main machine <NUM>, the third pin <NUM> is inserted into the third socket hole <NUM>, and the fourth pin <NUM> is inserted into the fourth socket hole <NUM>. When the first electrode pad <NUM> is disconnected from the main machine <NUM>, the first pin <NUM> and the second pin <NUM> are disconnected from the main machine <NUM>. When the second electrode pad <NUM> is disconnected from the main machine <NUM>, the third pin <NUM> and the fourth pin <NUM> are disconnected from the main machine <NUM>. Since the integrated chip <NUM> is jointly electrically connected to the second pin <NUM> and the third pin <NUM>, when the first electrode pad <NUM> and the second electrode pad <NUM> are inserted into the main machine <NUM>, one terminal of the integrated chip <NUM> is electrically connected to the second socket hole <NUM>, and the other terminal of the integrated chip <NUM> is electrically connected to the third socket hole <NUM>. In this case, the detection module <NUM> can be electrically connected to the integrated chip <NUM>, and the detection module <NUM> can detect the content of the integrated chip <NUM>. When the first electrode pad <NUM> and the second electrode pad <NUM> are both disconnected from the main machine <NUM>, the second test resistor <NUM> is disconnected from the second socket hole <NUM> and the third socket hole <NUM>. In this case, the detection module <NUM> fails to read the content of the integrated chip <NUM>. Therefore, when the detection module <NUM> can read the content of the integrated chip <NUM>, the determination module <NUM> determines that the electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>, that is, the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>; and when the detection module <NUM> fails to read the content of the integrated chip <NUM>, the determination module <NUM> determines that the first electrode pad <NUM> and the second electrode pad <NUM> are not successfully connected to the main machine <NUM>.

Further, the integrated chip <NUM> stores a manufacturing date and an expiration date of the first electrode pad <NUM> and the second electrode pad <NUM>, and when the detection module <NUM> reads the manufacturing date and the expiration date of the first electrode pad <NUM> and the second electrode pad <NUM> from the integrated chip <NUM>, the determination module <NUM> further determines, according to a current date, the manufacturing date, and the expiration date, whether the first electrode pad <NUM> and the second electrode pad <NUM> have expired.

The present application further provides an electrode pad <NUM>. The electrode pad <NUM> of the present application is described below in conjunction with the defibrillator <NUM> described above. Referring to <FIG> is a schematic diagram of a circuit structure of an electrode pad according to the first embodiment of the present application. The electrode pad <NUM> comprises a first electrode pad <NUM>, a second electrode pad <NUM>, and a detector <NUM>. The first electrode pad <NUM> comprises a first substrate <NUM>, a first conductive adhesive <NUM>, a first wire <NUM>, and a first connector <NUM>. The first conductive adhesive <NUM> is arranged on the first substrate <NUM>, and the first substrate <NUM> is electrically connected to the first connector <NUM> with the first wire <NUM>. The second electrode pad <NUM> comprises a second substrate <NUM>, a second conductive adhesive <NUM>, a second wire <NUM>, and a second connector <NUM>. The second conductive adhesive <NUM> is arranged on the second substrate <NUM>, and the second substrate <NUM> is electrically connected to the second connector <NUM> with the second wire <NUM>. The first connector <NUM> and the second connector <NUM> are configured to be inserted into the main machine <NUM>. The detector <NUM> is electrically connected to the first substrate <NUM> and the second substrate <NUM>. The detector <NUM> is configured to detect whether the first connector <NUM> and the second connector <NUM> are successfully connected to the main machine <NUM> when the first connector <NUM> and the second connector <NUM> are inserted into the main machine <NUM>, and the detector <NUM> is further configured to detect whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal.

Specifically, referring also to <FIG> is a schematic diagram of a circuit structure of the detector according to the first embodiment of the present application. The detector <NUM> comprises a signal generation module <NUM>, a detection module <NUM>, and a determination module <NUM>. The signal generation module <NUM> is configured to generate a test signal, and the detection module <NUM> is configured to detect a detection signal generated after the test signal passes through the first substrate <NUM> and the second substrate <NUM>. According to the detection signal, the determination module <NUM> determines whether the first connector <NUM> and the second connector <NUM> are successfully connected to the main machine <NUM>, determines whether the first wire <NUM> and the second wire <NUM> are open-circuited, and determines whether the first conductive adhesive <NUM> and the second conductive adhesive <NUM> are normal.

When the detection module <NUM> receives the detection signal, the determination module <NUM> determines that the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>, and when the detection module <NUM> fails to receive the detection signal, the determination module <NUM> determines that the first electrode pad <NUM> and the second electrode pad <NUM> are not successfully connected to the main machine <NUM>.

The determination module <NUM> determines, according to magnitude of a resistance value in the detection signal received by the detection module <NUM>, whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal. For example, when a conductive adhesive in each of the first electrode pad <NUM> and the second electrode pad <NUM> has poor performance (for example, the conductive adhesive is dry), the resistance value in the obtained detection signal exceeds a preset resistance value; and when the conductive adhesive in each of the first electrode pad <NUM> and the second electrode pad <NUM> has good performance, the resistance value in the obtained detection signal is less than or equal to the preset resistance value.

Specifically, the signal generation module <NUM> comprises a first terminal <NUM> and a second terminal <NUM>, the first terminal <NUM> is electrically connected to the first substrate <NUM>, the second terminal <NUM> is electrically connected to the second substrate <NUM>, and the test signal is output to the first substrate <NUM> and the second substrate <NUM> via the first terminal <NUM> and the second terminal <NUM>.

Further, the detection signal is an analogue signal, and the detector <NUM> comprises a sampling module <NUM>. The sampling module <NUM> is configured to sample the detection signal; and the determination module <NUM> determines, according to the sampled detection signal, whether the first connector <NUM> and the second connector <NUM> are successfully connected to the main machine <NUM> and determines whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal, wherein the sampled detection signal is a digital signal.

Further, the detector <NUM> further comprises an amplification module <NUM>, and the amplification module <NUM> is configured to amplify the detection signal and then output the signal to the sampling module <NUM>. In this case, the sampling module is configured to sample the amplified detection signal.

Further, the test signal comprises a first test sub-signal and a second test sub-signal. The detection signal comprises a first detection sub-signal and a second detection sub-signal. When the first test sub-signal is loaded onto the first substrate <NUM> and the second substrate <NUM>, a corresponding detection signal is the first detection sub-signal; and when the second test sub-signal is loaded onto the first substrate <NUM> and the second substrate <NUM>, a corresponding detection signal is the second detection sub-signal. The determination module <NUM> determines, according to a difference between the first detection sub-signal and the second detection sub-signal, whether the first connector <NUM> and the second connector <NUM> are successfully connected to the main machine <NUM> and determines whether the first electrode pad <NUM> and the second electrode pad <NUM> are normal.

Further, the detector <NUM> also comprises a time sequence control module <NUM>. The time sequence control module <NUM> controls the first test sub-signal to be loaded onto the first substrate <NUM> and the second substrate <NUM> before the second test sub-signal, and a frequency of the second test sub-signal is different from that of the first test sub-signal, or an amplitude value of the second test sub-signal is greater than that of the first test sub-signal.

Referring to <FIG> is a schematic diagram of a circuit structure of a detector according to the second embodiment of the present application. The detector <NUM> provided in this embodiment is basically the same as the detector <NUM> provided in the first embodiment, except that in this embodiment, the detector <NUM> further comprises a first test resistor <NUM>. One terminal of the first test resistor <NUM> is electrically connected to the first substrate <NUM>, the other terminal of the first test resistor <NUM> is electrically connected to the second substrate <NUM>, one terminal of the detection module <NUM> is electrically connected to a node between the first test resistor <NUM> and the first substrate <NUM>, and the other terminal of the detection module <NUM> is electrically connected to a node between the first test resistor <NUM> and the second substrate <NUM>.

Referring to <FIG> is a schematic diagram of a circuit structure of a detector according to the third embodiment of the present application. The detector <NUM> provided in this embodiment is basically the same as the detector <NUM> provided in the first embodiment, except that in this embodiment, the detector <NUM> further comprises a second test resistor <NUM>. One terminal of the second test resistor <NUM> is electrically connected to the first connector <NUM>, the other terminal of the second test resistor <NUM> is electrically connected to the second connector <NUM>, the detection module <NUM> is electrically connected to an socket hole of the main machine <NUM>, and the determination module <NUM> determines, according to a resistance value detected by the detection module <NUM> and a resistance value of the second test resistor <NUM>, whether the first electrode pad <NUM> and the second electrode pad <NUM> are successfully connected to the main machine <NUM>.

The first connector <NUM> comprises a first pin <NUM> and a second pin <NUM>, and the second connector <NUM> comprises a third pin <NUM> and a fourth pin <NUM>. The main machine <NUM> comprises a first socket hole <NUM>, a second socket hole <NUM>, a third socket hole <NUM>, and a fourth socket hole <NUM>. The first substrate <NUM> is electrically connected to the first pin <NUM> with the first wire <NUM>, one terminal of the second test resistor <NUM> is electrically connected to the second pin <NUM>, the other terminal of the second test resistor <NUM> is electrically connected to the third pin <NUM>, and the second substrate <NUM> is electrically connected to the fourth pin <NUM> with the second wire <NUM>. The first pin <NUM> corresponds to the first socket hole <NUM>, the second pin <NUM> corresponds to the second socket hole <NUM>, the third pin <NUM> corresponds to the third socket hole <NUM>, and the fourth pin <NUM> corresponds to the fourth socket hole <NUM>. The detection module <NUM> is electrically connected to the second socket hole <NUM> and the third socket hole <NUM>, and the detection module <NUM> detects a resistance value between the second socket hole <NUM> and the third socket hole <NUM>. The determination module <NUM> further determines, according to the resistance value detected by the detection module <NUM> and the resistance value of the second test resistor <NUM>, whether the first substrate <NUM> and the second substrate <NUM> are successfully connected to the main machine <NUM>.

Referring to <FIG> is a schematic diagram of a circuit structure of a detector according to the fourth embodiment of the present application. The detector <NUM> provided in this embodiment is basically the same as the detector <NUM> provided in the first embodiment, except that in this embodiment, the detector <NUM> further comprises an integrated chip <NUM>. One terminal of the integrated chip <NUM> is electrically connected to the first connector <NUM>, and the other terminal of the integrated chip <NUM> is electrically connected to the second connector <NUM>. The detection module <NUM> is electrically connected to an socket hole of the main machine <NUM>, and the determination module <NUM> determines, according to whether the detection module <NUM> can read content of the integrated chip <NUM>, whether the first substrate <NUM> and the second substrate <NUM> are successfully connected to the main machine.

Specifically, the first connector <NUM> comprises a first pin <NUM> and a second pin <NUM>. The second connector <NUM> comprises a third pin <NUM> and a fourth pin <NUM>. The main machine <NUM> comprises a first socket hole <NUM>, a second socket hole <NUM>, a third socket hole <NUM>, and a fourth socket hole <NUM>. The first substrate <NUM> is electrically connected to the first pin <NUM> with the first wire <NUM>, the integrated chip <NUM> is separately electrically connected to the second pin <NUM> and the third pin <NUM>, and the second substrate <NUM> is electrically connected to the fourth pin <NUM> with the second wire <NUM>. The first pin <NUM> corresponds to the first socket hole <NUM>, the second pin <NUM> corresponds to the second socket hole <NUM>, the third pin <NUM> corresponds to the third socket hole <NUM>, and the fourth pin <NUM> corresponds to the fourth socket hole <NUM>. The detection module <NUM> is electrically connected to the second socket hole <NUM> and the third socket hole <NUM>, and the determination module <NUM> determines, according to whether the detection module <NUM> can read the content of the integrated chip <NUM>, whether the first substrate <NUM> and the second substrate <NUM> are successfully connected to the main machine <NUM>.

Claim 1:
A defibrillator, comprising: a main machine, a first electrode pad, a second electrode pad, and a detector, the detector is electrically connected to the first electrode pad and the second electrode pad, wherein a contact resistance between the first electrode pad and the main machine is equivalent to that of a first resistor R1, a contact resistance between the second electrode pad and the main machine is equivalent to that of a second resistor R2, a capacitance between the first electrode pad and the second electrode pad is equivalent to that of a capacitor C, one terminal of the capacitor C is connected to the first resistor R1, and the other terminal of the capacitor C is connected to the second resistor R2; the detector comprises a signal generation module, a detection module, and a determination module, the signal generation module is configured to generate a test signal, the detection module is configured to detect a detection signal on the capacitor C generated after the test signal passes through the first electrode pad and the second electrode pad, and the determination module is configured to determine, according to the detection signal, whether the first electrode pad and the second electrode pad are successfully connected to the main machine and further determine whether the first electrode pad and the second electrode pad are in the normal state.