TW553735B - Common electrode using human body as common electric reservoir and application thereof - Google Patents

Common electrode using human body as common electric reservoir and application thereof Download PDF

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Publication number
TW553735B
TW553735B TW91109062A TW91109062A TW553735B TW 553735 B TW553735 B TW 553735B TW 91109062 A TW91109062 A TW 91109062A TW 91109062 A TW91109062 A TW 91109062A TW 553735 B TW553735 B TW 553735B
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Taiwan
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human
electrode
common electrode
circuit
common
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TW91109062A
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Chinese (zh)
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Jin-Shing Luo
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Jin-Shing Luo
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Abstract

The present invention provides a method of using a human body as a common electric reservoir which provides each electrode with a zero reference electric potential for performing calculation and processing of measured signals in order to display E.C.G. information. The present invention can be employed in a radio E.C.G. which comprises at least electrodes, a power supply, and a radio transmission circuit. Each electrode measures a physiological signal through a circuit. The negative terminal (or a common terminal) of the power supply is connected to a human body electric reservoir through the human body's skin. The electrical physiological signal measured by each electrode separately, through a human common electric reservoir, has the same zero reference electric potential and forms a closed electric loop and can replace an ordinary reference electrode required by measuring a physiological signal. If two electrodes and a power common terminal are mounted on the same line and fastened by an elastic cord, the elastic cord can be used to fasten the electrodes on the chest or waist or a place therebetween. Together with a radio transmission circuit, such an assembly can be used as a radio E.C.G. for medical use. Thus, the present invention is applicable on various physiological measurement devices, e.g. E.C.G., E.O.G., E.M.G., E.E.G., etc. The present invention can also be used on a watch-type radio receiver, display of E.C.G. or a physiological signal, for health care, exercise training, medical monitor, etc. A radio relay can also be installed on a suitable place on a human body for a long distance transmission.

Description

^ 3735 • Description of the invention (1) The present invention refers to the measurement of electrodes. Press, in the world-like building 1: winter common ground wire 疋 treat the earth as some electrical appliances, 2 electric potential or electric wire is sent to the circuit of the common ground wire to the wheel. In addition, in the company's power supply wiring, the hot line of public power is; urgently, with the premises line, from a human body to various types of electricity that are commonly used on the electricity, there must be one into the ground, zero reference Potential, all appliances are compared by voltage. All buildings, and the ground, take the point of insertion in the earth's buildings as the line of fire. The company does not need to send the physiological signal of the common electricity bank. The reference electric ultra-low-resistance earth can be shared by the common ground. The earth is regarded as zero. The power company requires the building to be used as a zero reference seat. At least two other holes are to build a ground wire to the zero reference to store each other. The copper wire is called a reference wire connected to the reference power, and high-electricity objects and electric potentials are used as holes. The calculation of the electric potential of a building's building potential is originally a force that is pressed by the common electric storage building position. The electric holes are shared, single, land, and also used as electricity within the object. The normal operation of electrical appliances is caused by the current and internal flow, so the power supply is a potential that allows electrons to flow into electrical equipment, and the flow of electrons that allows electrical appliances to operate normally is called the flow of positive charge when the current is encountered, but then It is found that the flow direction of the two is exactly the opposite. Because it is L, the mains power sends high voltage to attract electrons, which flows into the appliance at the end, and then flows from the appliance to Line, power companies, before this electron flow back to the bottom, while the current is the electrons in the conduction electrons move from the low potential to its normal operation. This . At the beginning of this current, the negatively charged electrons are flowing. The positive and negative charges are reversed, so that the electrons from the building are sent from the hot wire to the substation to reach a complete electricity.
Page 5 553735 V. Description of the invention (2) = Road: ability "The normal operation of the device. Since the earth's electricity can be quite small for the earth =, the current loop. | As a common zero reference for all electrical equipment Potential 丄 ΪΓ is also referred to as a power source. Its voltage ^ refers to the positive and negative terminals. ♦ 3 ϊ ΐ ί 1 * Two electrical appliances or circuits that supply electricity with electricity, pools, or power sources = do =. For the general use of plugs and use of commercial power The electric appliances or the Si earth of the other two are regarded as a common w and are used as a zero potential reference, so they can be compared to each other. Ί can be compared with each other. However, for batteries, this is the 2 electronic circuit, that is, an electron is sent from the battery itself. It can be completed by going out and returning electronically. -Electricity == Electric storage and zero reference electricity: Electricity: Cannot touch the ground, cannot be used by the earth as a common or electronic product. So the potential or voltage of the circuit supplied by the two batteries is It is impossible to compare. The cognition of the supplied Ξ 雷 ί is that it is impossible to compare the two from different batteries: the first picture = voltage for comparison. Taking the electrocardiogram as an example, the potential vector diagram ^ No, it is the electrocardiogram three Limb lead (ι, π, π) lines, respectively: The most basic structure of an electrocardiogram in ξ'ι is to connect four electrical terminals = :: electrode (V2), left-hand electrode ⑴, and left foot electrode movement Lightning electrode (Vrei), to measure the electrical body and ground of the heart and human body from different body positions: the right foot reference electrode (U is the reference potential, Park 4 electric branches are connected to achieve the same zero for the other as the other The basis for the three electrodes to compare with each other. ECG page 6 553735 V. Description of the invention (3) As shown in the first figure, the three limb guides are: I = V1-V 2 II = V3-V2
III = V3-VI
From these three limb guides (I, π, 11 I), it can be seen whether the heart is functioning normally, and its central electrogram contains P, Q, R, S, T waves, etc. It belongs to the professional field and will not be explained. Since the generation of the electrocardiogram requires a reference electrode as the zero reference potential of each electrode, the calculation between the electrode potentials can be used to obtain the electrocardiogram, which has caused the bottleneck of its development. Finding many papers from international journals (please check the IEEE journals) and searching for many related patents (such as Wire less Medical Dignosis and Monitoring Equipment of the United States ~ Patent No. 5862 803) require the reference electrode to be placed on the right foot or lower right to perform physiology Wireless transmission of signals. This is also the current commercially available wireless electrocardiogram (see the third figure, which is a general commercially available wireless electrocardiograph), which uses a wireless circuit box 10 to pull out four electrode wires (VI, V2, V ^, Vref) for installation In the human limbs (see the second picture), the signals measured by the electrodes are transmitted to the electrocardiograph 2Q by radio and the electrocardiogram is displayed. Such a wireless electrocardiogram can already allow patients to move around, but the body still needs to be covered with electrical wires, especially when measuring the electrocardiogram at the position of the chest cavity, there are more electrical wires, which is quite inconvenient. In view of the above, in order to solve the problems of these wires in the present invention, the structure of the wireless electrocardiogram formed by the human body as the electrodes of the shared power bank is as shown in the fourth figure, the concept of the wireless electrocardiogram of the present invention), where v 1 Hand electrode, V2 refers to the right hand electrode, V3 refers to the left foot electrode, where V1 and "^
Page 7 553735 V. Description of the invention (4) An elastic band 100 is fixed in the chest cavity, while V 3 and the electrocardiogram circuit are fixed with another one elastic band 100 at the waist, and one between the two elastic bands 100 The flexible wires 2 0 are connected so that the V 1 and V 2 signals can be connected to the ECG circuit to generate an ECG and then transmit it by radio. Note that the reference electrode is not specifically mentioned in the fourth figure, which will be verified in the following. We perform the experiment as shown in the fifth figure (the fifth figure is a wireless electrocardiogram, in which each electrode circuit uses a different battery VB1 ~ VB 涞 to supply power), where T1 refers to the wireless transmission circuit and E 1 refers to the electrode circuit (by The buffer amplifier is formed), E2 refers to the electrocardiogram circuit (formed by a differential amplifier). The voltage of each electrode is subtracted from the first stage differential amplifier to obtain A1A2 (V and Vref) and A1A2 (V2-Vref) respectively. The purpose is to make V 1 and V2 use V ref as the zero reference potential. The differential amplifier outputs the gain of the first limb of the electrocardiogram. Pieces. Substituting or I, the two have not been able to use the zero-reference signal measuring library, the electrode can have = G [(V1 -Vref)-(Ύ2 -Vref)] = G (V1-V2) G = A 1 A 2 A 3 is the total result of A 1 amplifier and a 2, A 3 differential amplifier. I can't see any ECG on the oscilloscope. Only Vre of Noise One or Five is on the E2 ECG circuit end. The result of using only a differential amplifier to directly subtract ¥ 1 and V2 is still noise, which is the main reason for the improvement of wireless ECG so far. "The most important idea of the present invention is how to make the electrodes have a common and complete current loop, so that the electrodes can be measured physiologically. The technical means proposed by the present invention is based on the principle that the human body is used as a common reference and the earth is used as a common reference library, so that each common zero reference potential is provided and a complete current loop is provided. solution
^^ 735 V. Explanation of the invention (5) The means to resolve the aforementioned technical obstacles are mainly that the common terminal contacts any part of the body, and the negative terminal of the battery on each electrode or the electrode can have the so-called common electricity # through the human body's library. As a result, each electrode is provided to each electrode to form a complete reference potential i and i, and a common electric number is used. In application, you can also use the loop to capture the electrophysiological signal. The negative or common terminal of the power supply contacts the body: the power supply is supplied to each electrode, and this can achieve the same function as described above. | Which part forms the common electrode, so we can know the most of the present invention. The common reference of the electrode library is to provide a measurement using the human body as the physical signal, and the electrodes can be used, so that each electrode can be used. Progressive | hinder. ^ To solve the technical obstacles of the existing wireless ECG The technical methods used by X Jin are listed in the examples and used for the purpose. "Intended use: The human body is a common electrode of a shared power bank and its stress, and amplifying the wireless electrocardiogram. Its basic structure includes electricity | of which: power supply Supply, differential amplifiers, wireless transmission circuits, I metal handles, and components used to sense potentials or voltages, from materials ranging from simple thorium and silver chloride mixtures to complex semiconductor process micro | electrodes and micro Micropipet electrodes and the like can be used. | Large amplifier circuit 'is a circuit with high input chirp, high impedance, and high gain. It is used to amplify the weak electric signal of pole 2 to facilitate subsequent signal processing. The power supply 'is a battery, a solar power source, or an energy source that can be used to supply power to a stateless, wireless transmission circuit.
Page 9 553735 V. Description of the invention (6) Differential amplification. Wireless transmission Wireless, if it is a digital circuit, the analog input. In the present invention, the terminal or common terminal is used to search each electrode to sense the signal by using an extra reference electrode, and the terminal or the common terminal can also be used to supply various measurement electric signals. In addition, the automatic gain control filter can be removed to increase noise and eliminate noise. The output voltage ranger with automatic gain is to subtract the two electrode voltages to form an ECG signal circuit. The electrodes are measured. The wireless transmission method of signal transmission circuit can be digital and analog. You need to use analog digital conversion signal to convert the digital signal after the amplification circuit. The main idea of digital wireless transmission is that each electrode is independent The negative side of the power supply is connected to the human body's electricity bank, forming a so-called common electrode, so that the body electricity bank can be regarded as a common zero reference potential, without the need for poles, it can provide sufficient current loops, and can perform calculations and processing between them. In order to obtain electrophysiological information; when a single power supply supplies the power of each electrode, and the negative of the power supply contacts the common electricity bank of the human body, a single common electrode is formed, and the electrode is used as a current loop to obtain accurate electrophysiological additions including assistance Circuits such as filters, noise cancellers, signal processing technologies, etc., where: Heteroaryl signal plus noise ratio within the signal frequency range. The device is to increase the signal-to-noise ratio within the frequency range of the electrophysiological signal. Control is to automatically control the gain of the amplifier so that the amplifier range meets the specifications of the wireless transmission circuit.
Page 10 553735 V. Description of the invention (7) Signal noise: Zengjiao: Let :: U: The hardware and software technology of the signal makes wireless transmission easier. Thinking: i heart ΐ 施: The example is shown in the sixth figure (the sixth figure is the structure of the present invention, i1 & return is, in which the independent power of each electrode is connected to the human body, so that each wireless electrode book T The electric power bank is 8m, the owner has the same zero reference potential), where B refers to the person's amplification, and ^ the right hand, M, A2 are the amplifier and the differential vre, respectively, each part of the electrical circuit E1 As shown in the fifth figure, the reference electrode is close to the body of the battery. Negative: Don't connect each θ miscellaneous test potential. Since most of the human body is an electrolyte, it is a good conductor, and it has a slightly larger skin impedance. The entire amount of electricity in the human body, the electricity required for each electrode *, can be said to be infinite. T is clearer for illustration. Figure > The seventh part of the electrode part showing the sixth figure is a circuit simulation diagram of the wireless electrocardiogram of the present invention), and the impedance between Gaddy's Pool and the human body bank B (with R2, R1 refers to the left-hand impedance σ, Power-up refers to the right-hand impedance), and it becomes a complete analog circuit diagram. After each R2 device is controlled by feedback, its input impedance is about 丨 〇〇, the voltage of the large electric diagram is about 2mV, so the current of about 0.02pA (1 () 12 and Ampere) flows into the body. If the amplifier A1 is to cause a loop, this 20 pA current needs to flow back to the human body through the battery, in order to complete the complete loop with the human body bank B as the $ ^ test potential. In this complete circuit, the only impedance / pit impedance is R1 or R2. In general, the impedance between the electrode and the skin must be below 10 κΩ, and the loop current of 0.02ρΑ, resulting in a voltage of only 0.2nV (101〇US) on R1 or R2, relative to the battery voltage (above i.5V / and electrode
Page 11 553735 V. Description of the invention (8) The voltage of 2 mV (1 0 _3Vol ts) is absolutely negligible. Therefore, there can be a complete current loop between each battery and electrode and the human body's electrical library, so that each battery and electrode voltage have a common zero reference potential. As a result, each electrode voltage can be calculated and processed to obtain meaningful electrophysiological information. . Because for 2 0 p A, the human body electricity bank is a supply without shortage, just as the earth electricity bank supplies global electrical products as easily. The eighth figure is the result of the first limb V displayed on the oscilloscope: (a) is the result of the fifth figure; (b) is the fifth figure, with the reference electrode removed, and directly connected to the common terminal of the battery VB on the ECG circuit To the negative terminal of amplifier A 2; (c) is the sixth figure using the human body battery as the zero reference potential; (d) is the sixth picture, removing the human body battery, only the negative terminals of the two batteries are connected together; e) In the sixth figure, the negative terminals of the two batteries are connected first to form a common terminal, and then the common terminal is used to contact the human body electrical library to form a so-called common electrode. It turns out that it is impossible to measure the ECG without the design of the human body as a zero reference potential, so the eighth graph (a) and (b) only have noise of 6 Η 的 z (because the experimental circuit is quite simple, No noise cancellation is performed) without any ECG signal. In the eighth figure (d), some capacitor charging and discharging signals are mixed with 6 杂 Η z mains noise. This is because the negative terminals of the battery are connected together. Although the two electrodes have a common zero reference potential, The electron flow input from the amplified Is cannot flow back to the human body to produce a complete circuit. Therefore, although the two electrodes have a common zero reference potential, there is no complete current loop, and it is still impossible to perform a corona measurement of the correct electrophysiological signal. The charge-discharge signal of the eighth figure (d) is because the negative contact point of the two batteries passes through the fish gas, and there is a small stray capacitor connected to the human body's power bank.
Page 12 553735 V. Description of the invention (9) (ie, QRS wave of the electrocardiogram), the impedance of the capacitor becomes small, resulting in a short complete circuit, and then a signal surge will appear and then disappear, which will cause the phenomenon of charging and discharging. However, this charging and discharging phenomenon does not occur in (a) and (b) of the eighth figure, because there is no common zero reference potential, so only 60Hz noise exists. The complete current loop is shown in (c) and (e) of the eighth figure, both of which use the human body's electric bank as the zero reference potential and have a complete current loop, so the ECG signals can be calculated and processed to obtain the ECG. Note Looking at Figure 8 (c) and (e), we can find P and QRS 'T waves, among which QRS and T waves are more obvious. The above experiments are sufficient to prove that the electrode circuit design of the sixth figure is correct, and the capacity of the human body library is quite large, which can be used as the zero reference potential, and the skin impedance is not enough to affect the formation of the zero reference potential. The ninth graph is the result of eliminating the 60Hz noise in (c) and (e) of the eighth graph, and the P, Q, R, S, and T waves in the ECG can be clearly seen. According to the above experiments to prove the correctness of the theoretical derivation, the negative or common end of the power supply to the electrode circuit contacts the human body's electrical library, and each electrode has a common zero reference potential and provides a current loop as electrophysiological information. Its measurement has a wide range of application fields, such as electrocardiogram (ECG), electromyogram (EMG), electrooculogram (EOG), and electroencephalogram (EEG). According to the above-mentioned theory and experiment, it is proved that using the negative terminal or the common terminal of the power source to contact the human body to form a so-called common electrode to provide a current loop for electrophysiological signals to complete a correct measurement technique is the focus of the present invention. Based on this emphasis, the following experiments are boldly performed as shown in Figures 10 to 14. The tenth figure is the actual circuit installation of the sixth figure, A1 is the electrode amplifier circuit, the gain
553735 V. Description of the invention (10) is 篆; A 2 is a differential amplifier, A 3 is a simple second-order filter. · A single power supply uses two 9-volt batteries to form positive and negative electricity and one common creep (c0m). ) ° The biggest difference between the electrode placement position and the general ECG in the tenth to eleventh pictures is that the electrodes are placed on the left and right rain sides of the chest or waist, instead of the left and right hands. In the twelfth figure and the tenth west figure, the common end of the power supply is placed between the left and right electrodes to contact the human body to form a common electrode. This and the traditional electrocardiogram must place the reference electrode on the right foot or the lower right to perform physiological measurements. Test, there are very big differences. Without the foregoing theoretical and experimental proof, such an innovative experiment cannot be performed. The experimental results fully support the focus of the present invention. Since there is no common electrode to provide a complete circuit in the eleventh and twelfth hi, the same results are obtained as in the eighth (d). Only the QRg wave can be seen. Pulse, which is also the main reason why the well-known POLAR wireless heart rate monitors cannot be used to measure the ECG, and the 13th and 14th figures 明显 clearly and accurately measure the ECG of the second limb. The electrodes in Figure 14 are a little farther away from the heart. The signal of the electrogram 彳 § is slightly weaker, which causes the signal noise to be relatively small. However, as long as the filtering and noise cancellation techniques are quite good, the ECG can be obtained. We used to let the common electrode randomly contact the human body = 2 The ECG signal is still as shown in Figure 13 (b) and Figure 14. According to the methods of the thirteenth figure and the fourteenth, an elastic band can be used 彳 ^ ^} 梆 to form a straight line ^ ^ ▼ 1 ϋ 0 The two electrodes are stringed together and 丄 wirelessly transmitted to form a band The shape of the wireless string is between (plus = between the waist (: shown on the fifteenth figure on the chest electrode 'the right-hand side is the right-hand measuring electrode, the left-hand side; the side
Ιΐ4 Page 2—ί 553735 V. Description of the invention (11) pole, and the middle electrode is the common electrode, which is used for ECG measurement and monitoring, especially for the waist. It is not only suitable for medical use, but also Using V for fitness and sports training is more versatile than commercially available only heart rate. Provide more comfortable heart monitoring and training for the home health of the elderly society! Figure 16 is a complete wireless electrocardiogram measurement developed based on the verification of Figures 13 and 14. It can measure not only three limb leads, but also chest leads in all positions. Figure 16 is a copy of Figure 4. Only two elastic bands 100 are fixed to the chest cavity and waist respectively. There is an elastic wire 2 0 between the two elastic bands 100 as the power supply and the electrode signals are concentrated in the wireless host box. In order to perform ECG calculation and wireless transmission, the right-hand side of the elastic band 100 in the middle chest is the right-hand electrode, the left-hand side is the left-hand electrode, the left-foot side of the waist-elastic band 100 is the left-foot electrode, and the middle is shared The electrodes, power supply, ECG circuit and wireless transmitting circuit can be placed anywhere. The seventeenth figure is the ECG signals of the three limb guides and chest guides, which are exactly the same as those measured by commercially available ECG machines, except that the noise signal is larger because the noise cancellation technology and better filtering have not been used here. Device. According to the application of the twelfth figure and the twenty-fourth figure, the technology of the common electrode can also be used in hand-held fitness or sports training equipment. For example, the left and right hands of a bicyclist can measure the electrocardiogram of the first limb with each of the measurement electrodes installed, and the common electrode can be placed next to the left or right hand measurement electrode, or for the sake of aesthetics, one common electrode can be placed in the left and right hand for measurement. Next to the electrodes, let both hands hold the measuring electrode and the common electrode at the same time, as in the thirteenth and fourteenth pictures, the ECG of the first limb can be measured. In addition, in order to integrate the appearance of the wireless electrocardiogram of the example of the present invention into one,
Page 15 553735 V. Description of the invention (12) type, can measure circuit (ie amplifier) and non-line transmission circuit using 1 (: (integrated circuit) technology to manufacture, to achieve the goal of miniaturization, and its transmission The power and distance can be less than 10 meters to reduce the speed of battery power consumption. Generally speaking, the consumption current of IC circuits is less than about 1 ma, and the current consumption of wireless transmission 1C is about 1 mA (10 meters Within), for a 300mA χ h〇ur thin film battery, it can be continuously operated for up to 150 hours, which is quite practical. And for long-distance transmission, you can use a relay station, wireless electrodes with low power at It is transmitted to the relay station within 10 meters, and then the relay station is full to the remote * physiological signal monitor for remote monitoring. In terms of application, a watch-type wireless ECG display device can be made to facilitate users to monitor their heartbeat at any time. Speed or heart movement status, can also be equipped with an expert system for disease analysis, make preliminary recommendations to the user, or issue a warning signal. In addition, a relay station can be made for women to be near or to the body. The relay station is used for long-distance transmission f for remote monitoring. For example, the relay station can use modern mobile phone to communicate with the film. As for the wireless transmission technology, the well-known low frequency carrier communication (= 40MHz ~ 900MHz) or microwave carrier communication (1GHz) can be used. Above), = the latest Bluetooth communication name communication network technology can be used, but this is not the present
丘 术 手 # And the description of the embodiment, it can be known that the present invention uses the concept of the human body 22 = electric library and common electrodes to ensure that each electrode has a zero reference potential ^ = Tan !! current loop, and can accurately perform Measurement and measurement of electrophysiological signals ^ ί. Taking wireless electrocardiogram as an example, the present invention makes wireless electrocardiogram transmission quite comfortable and easy. The present invention cooperates with the installation of a comfortable fixing device, ..., etc. to make its application range very wide, covering medical instruments
553735 V. Description of the invention (13) devices, fitness equipment, sports training equipment, rehabilitation equipment, etc., are endless, so the utility of the invention of the present invention can be said to be extremely great, and there is no problem when used in the industrial world. Moreover, the novelty of the present invention is provided, and as mentioned above, its progress is more doubtless, so it is sufficient to meet the requirements of the invention patent without doubt. 0
Page 17 553735 Brief description of the diagram Second third fourth fifth fifth sixth seventh 'eighth zero reference number experiment ninth ninth tenth tenth and getting tenth b intention. Tenth ECG letter No.
Explanation = The diagram of the potentials of the three limb guides (III, III) in the electrocardiogram of the graph is a general graph. The general graph is a wireless graph. The wireless graph is a current graph. The eighth diagram is the sixth diagram of this issue. Ytj physiological signals. Five and sixteen commercially available wireless electrocardiograms. Commercially available wireless electrocardiograms. Wireless electrocardiograms. The experiment proves the operation of each electrode voltage. The actual circuit safety of the wireless electrode shown in Figure (c) at 60 Hz is shown in the experimental auxiliary description of the present invention. Figures 13 and 10 are schematic diagrams of the chart machine. The schematic diagram of the implementation of the drawing machine. Schematic diagram of the machine's implementation concept. Illustration. The intention of the electrograph machine. Circuit diagram. The measurement electrodes must have common calculation and processing to get the situation after the physiological signal noise is eliminated. Plan view of an embodiment. Loading map. Installation example (a) (b). The actual illustration of the four pictures The seven pictures (a ~ d) are the numbers of the three limb guides and chest guides of the present invention. 0 0
VI: Wireless circuit box Left-hand electrode 2 0: Electrocardiograph V2: Right-hand electrode
Page 18 553735 Simple illustration V 3 .. Left foot electrode E 1. Electrode circuit B. Human body library R. Right hand A2. Differential amplifier R 1. Left hand impedance 1 0 0 .. Elastic band T 1. Wireless transmission circuit E 2 .. ECG circuit L .. Left hand A 1. Amplifier A 3 .. Wavelet R 2 .. Right hand impedance 2 0 0 .. Flexible wire
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Claims (1)

  1. 553735 VI. The patent application park is common; electricity: a kind of common electricity # using the human body as a library, which refers to the formation of any position of the human body, through the common electrode can make contact with the reference potential ... provide all measurement signals; Together, the 4 oa _ W 70 strong current loops of each thunder are used to perform calculations and processing between the physiological information and the sense-signal, so as to obtain the power bank. Please use the “Scope of the human body as a shared power” as described in item 1 of the patent scope. "Using electrodes", which, when applied to electrocardiogram, includes at least "electrodes, power supply and wireless transmission circuit, so that the obtained electrophysiological wireless transmission circuit can constitute a wireless electrocardiogram." 3, such as the scope of patent application The "common electrode using the human body as a shared power bank" as described in item 1 or 2, wherein the power supply for each electrode can be provided with a separate power source for each electrode, and each has a common electrode, or all electrodes can be used. The same power source forms a single common electrode. 4. As described in item 2 of the scope of the patent application, "using the human body as the common electrode of the common electricity < library", wherein the two electrodes can be placed on the left and right sides of the heart respectively, and then formed on the same straight line as the common electrode, and With an elastic band around the chest or waist or between the chest and waist, the first limb-guided electrocardiogram can be measured with the amplification circuit and the electrocardiogram circuit, and transmitted through radio to form the first limb-guided wireless ECG. 5. The "common electrode that uses the human body as a common library" as described in item 2 of the scope of the patent application, where the common electrode can be placed on the left, right or left hand, and the common electrode can be placed on the left, right or left hand, or left Both the right hand and the common electrode are placed, so that the hand can hold the electrode and the common electrode at the same time, and the measurement can be measured on page 20, 553735. 6. Patent application scope. 6. As described in item 4 of the scope of the patent application, "the human body is used as a common electrode for the shared power bank", in which two elastic bands can be used to fix the electrode, the common electrode and the electrocardiogram circuit, one of which is fixed in the chest cavity and contains two left and right hearts. The electrodes on the side can be added to measure the electrodes of each thoracic limb; the other one is fixed to the waist and abdomen and contains the right electrode, common electrode, and electrocardiogram circuit, and there is an elastic wire between the two elastic bands to connect power and signals, plus The wireless transmitting circuit can form a complete wireless electrocardiogram, and can display the I, II, III limb guides and thoracic limb guides. 7. As described in item 4 of the scope of the patent application, "the human body is used as a common electrode for the shared power bank", wherein the amplifying circuit, the electrocardiogram circuit and the wireless transmission circuit can be simplified into IC chips using integrated circuit technology to achieve Miniaturizers and power savers. 8. As described in item 6 of the scope of the patent application, "the human body is a common electrode of a shared power bank", wherein the wireless electrocardiogram can combine a wireless receiving circuit, a signal processing circuit and a display device into a watch type or a ring type The user can know the physiological information at any time through the display device, and can also be used as a relay station to send physiological information to the remote monitoring device. 9. As described in item 6 of the scope of the patent application, "the human body is used as a common electrode for a shared power bank", in which a relay station can be set up to allow wireless electrodes to transmit low-power electrophysiological signals to the relay station, and then the relay station transmits for a long distance In order to achieve the function of remote monitoring, and can extend the use time of the power of the wireless electrode. 10, as described in item 9 of the scope of patent application
    553735 6. Scope of patent application Common electrode of power bank ". Among them, the relay station can use the mobile phone's communication chip. ^ 1 1 As described in item 2 of the scope of the patent application, "the human body is the common electrode of the shared power bank", which can also include auxiliary circuits, such as filters, noise cancellers, automatic gain control, signal processing technology Among them: a filter to remove some noise that is not in the electrophysiological signal frequency range to increase the signal-to-noise ratio; a noise canceller to remove some noise that is in the electrophysiological signal frequency range To increase the signal-to-noise ratio; > automatic gain control to automatically control the gain of the amplifier so that the amplifier's output and output voltage range conforms to the specifications of the wireless transmission circuit; signal processing technology is some software and hardware technology for processing signals , Making the signal-to-noise ratio larger and making wireless transmission easier. 12. The "common electrode using the human body as a shared power bank" as described in item 2 of the scope of the patent application, wherein the power supply can be removed or installed from the wireless electrocardiogram. 1 3. As described in item 1 or 2 of the scope of the patent application, "the human body is a common electrode for a shared power bank", wherein the electrode material may be a metal plate, silver plus silver chloride mixture, carbon fiber, or Both microelectrodes and micropipette electrodes made by semiconductor process technology can be used. 14. As described in item 4 of the scope of the patent application, "the human body is a common electrode of a shared power bank", wherein the wireless transmission method of the wireless transmission circuit can be digital and analog. If it is digital, You need to use an analog digital conversion circuit after the amplification circuit to convert the analog signal into a digital signal.
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TW91109062A 2002-05-01 2002-05-01 Common electrode using human body as common electric reservoir and application thereof TW553735B (en)

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