CN112754494A - Be suitable for domestic small-size electrocardiogram tester - Google Patents
Be suitable for domestic small-size electrocardiogram tester Download PDFInfo
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- CN112754494A CN112754494A CN202110058022.3A CN202110058022A CN112754494A CN 112754494 A CN112754494 A CN 112754494A CN 202110058022 A CN202110058022 A CN 202110058022A CN 112754494 A CN112754494 A CN 112754494A
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Abstract
The invention relates to the technical field of household health equipment, in particular to a household small electrocardiogram tester which comprises a shell, a wearing bandage, a plurality of electrode plates, a plurality of connecting wires, a plug connector, a collecting plate, an MCU (microprogrammed control unit), a communication module, keys and a server. The substantial effects of the invention are as follows: the accuracy of electrocardiogram collection is improved, the convenience of use is improved, the user can use alone, and convenient to use is swift.
Description
Technical Field
The invention relates to the technical field of household health equipment, in particular to a household small electrocardiogram tester.
Background
Electrocardiography is a technique for recording a pattern of changes in electrical activity generated every cardiac cycle of the heart from the body surface by using an electrocardiograph. The electrocardiogram is one of the most common clinical examinations and is widely used. Can record the electrical activity of the normal heart of a human body, help diagnose arrhythmia, myocardial ischemia, myocardial infarction and parts, diagnose the enlargement and hypertrophy of the heart, judge the influence of the condition of drugs or electrolytes on the heart and judge the pacing condition of the artificial heart. The bioelectric signal generated by the activation of cardiac muscle during heart activity can be automatically recorded by an electrocardiograph, and the electrocardiograph is a medical electronic instrument commonly used for clinical diagnosis and scientific research. But at present, the user still needs to go to the hospital to collect the electrocardiogram, which is time-consuming and labor-consuming. It is not beneficial to find the diseases of the user in time, so that the development of a household electrocardiogram tester is urgently needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem that a household electrocardiogram tester is not suitable at present is solved. A small electrocardiographic tester suitable for home use is provided.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a small-sized electrocardiogram tester suitable for household comprises a casing, a wearing bandage, a plurality of electrode plates, a plurality of connecting lines, a plug connector, a collecting plate, an MCU, a communication module, a key and a server, wherein the wearing bandage comprises two straps, a chest belt, a waistband and a connecting belt, one end of each strap is connected with the front part of the chest belt, the other end of each strap is connected with the rear part of the chest belt after bypassing the shoulder, one end of the connecting belt is connected with the front part of the chest belt, the other end of the connecting belt is connected with the waistband, the chest belt is worn on the chest of a patient, the casing is fixedly installed at the front part of the chest belt, a plurality of plug connectors are arranged on the casing, the collecting plate is installed in the casing, the plurality of electrode plates are fixedly embedded on the straps or the chest belt, the positions of the plurality of electrode plates are matched with detection positions, the plurality of electrode plates are, the plug-in connector is matched with the plug-in connector, the plug-in connector is connected with the acquisition board, the acquisition board acquires potential signals at the electrode plate through a connecting line, the key is installed on the casing, the acquisition board, the communication module and the key are all connected with the MCU, and the communication module is in communication connection with the server. Not only can hug closely electrode slice and user's skin through dressing the bandage, improve the signal of telecommunication accuracy, can also assist and give the electrode slice location, dress the bandage and can be in the hospital by medical personnel adjustment length after, the user carries home and uses, next time use can be with the help of the position of the accurate definite electrode slice of dressing the bandage, improved the accuracy that the heart electrograph was gathered, improved the convenience of using, even also can use to the user that the heart electrograph was gathered knowledge unfamiliar. Under the condition that needs alone that the user used this device to carry out the heart electrograph collection, the user only need dress the bandage and can accomplish the attached of electrode slice. If the binding band is not worn, when a plurality of electrode plates are attached by one person alone, the position is easy to find out, time and labor are wasted, and particularly when a user is inconvenient to move, the binding band can play a great help role.
Preferably, the straps, the chest belt, the waist belt and the connecting belt are inelastic straps, and two ends of each strap are respectively provided with a clamping head and a clamping box. Inelastic straps can improve positional accuracy.
Preferably, the card box comprises a shell, a button, a lock catch and a return spring, a groove used for installing the lock catch is formed in the shell, the return spring is installed between the lock catch and the groove, the button is fixedly connected with the lock catch, the button extends out of the shell, and a notch matched with the lock catch is formed in the front portion of the clamping head.
As preferred, all be equipped with the elasticity adjusting box on braces, pectoral girdle, waistband and the connecting band, the elasticity adjusting box includes box body, locking head, pinch roller and drive wheel, box body and card box fixed connection, the box body is equipped with wears the trough of belt, the pinch roller rotates with the box body to be connected, pinch roller and bandage butt, drive wheel drive pinch roller rotates, the locking head is installed in the box body, locking head position and pinch roller match. The elasticity of bandage can be adjusted through the elasticity regulating box, adapts to the user of different sizes, and the position of electrode slice is redetermined after the elasticity adjustment, and the length of bandage is no longer adjusted during follow-up use, if need adjust, then need be after adjustment length redetermine the position of electrode slice, can improve the comfort level of dressing.
Preferably, the driving wheel comprises a friction wheel, a friction rod and a driving spring, a sliding groove is formed in the box body, the friction rod is clamped into the sliding groove, the friction wheel is fixedly connected with the pressing wheel in a concentric mode, the friction wheel is abutted to the friction rod, one end of the driving spring is fixedly connected with the friction rod, the other end of the driving spring is fixedly connected with the sliding groove, two ends of the driving spring are connected with an electronic switch K1 and a direct-current power supply V1 in series, and the control end of the electronic switch K1 is connected with the MCU. The driving spring can contract when passing through the current, and the shrinkage is relevant with the electric current size, and the mode control electronic switch K1 through PWM switches on to account for the ratio, can control the electric current through driving spring, controls driving spring's length promptly, and driving spring removes through driving the friction lever, and the drive friction pulley rotates, for the pinch roller provides power, and the pinch roller rotates the completion back, through locking head locking.
Preferably, the locking head comprises a locking block, a locking spring, a permanent magnet, a locking rod, an electromagnet and a driving circuit, the locking rod is hollow, the locking rod is installed in the box body, the locking block is sleeved in the locking rod, the locking spring enables the locking block to be abutted against the pressing wheel, the permanent magnet is fixedly connected with the locking block, the electromagnet is installed in the locking rod and connected with the driving circuit, and the driving circuit is connected with the MCU. The locking block is separated from the pinch roller by the attraction of the electromagnet and the permanent magnet.
Preferably, the LED lamp further comprises a plurality of indicating lamps and a plurality of electronic switches, the indicating lamps are arranged on the shell side by side and connected with the power supply through the electronic switches, the electronic switches are connected with the MCU, and the indicating lamps have different colors.
Preferably, the loudspeaker is arranged in a machine shell, a sound outlet hole matched with the position of the loudspeaker is processed on the machine shell, the loudspeaker is a loudspeaker with a driving circuit, and the loudspeaker is connected with the MCU.
Preferably, the electrode plate comprises a shell, a metal patch, a metal wire and a junction box, the metal patch is connected with the junction box through the metal wire, the connecting wire is connected with the junction box, the metal wire is communicated with the connecting wire, the junction box is positioned in the shell, the bottom of the shell is a plane, a breathable film covers the bottom of the shell, the metal patch is positioned outside the breathable film at the bottom of the shell, and the metal patch is fixedly connected with the breathable film.
Preferably, the breathable membrane is provided with two circles of concentric raised petals, the cross sections of the two circles of raised petals are in a shape of a Chinese character 'Zhu', and the two circles of raised petals form a suction ring; the electrode plate further comprises a sleeve, a sliding block, a sliding sleeve, a top block, a spring, an air inlet valve, an air outlet valve and an air outlet pipe, wherein the sleeve is located in the shell and fixedly connected with the shell, the sliding block is slidably mounted in the sleeve, one end of the sleeve is sealed, the other end of the sleeve is in sealing connection with the shell, one side of one end, connected with the shell, of the sleeve is provided with an air inlet, one side of the air inlet is provided with an air outlet, the spring is mounted between the sliding block and the closed end of the sleeve, two ends of the spring are connected with two pins of the MCU through wires, the sliding sleeve is fixedly connected with the sleeve, one end of the top block is slidably connected with the sliding sleeve, the other end of the top block is fixedly connected with a metal patch, the sliding sleeve is.
The substantial effects of the invention are as follows: after the length of the wearing bandage can be adjusted by medical staff in a hospital, the user can carry the wearing bandage to use, the position of the electrode plate can be accurately determined by means of the wearing bandage in the next use, the accuracy of electrocardiogram collection is improved, the use convenience is improved, the user can use the wearing bandage alone, and the use is convenient and fast.
Drawings
Fig. 1 is a schematic structural diagram of an electrocardiograph tester.
Fig. 2 is a back structure diagram of the electrocardiograph tester.
Fig. 3 is a schematic diagram of the system connection of the electrocardiograph tester.
Fig. 4 is a schematic view of the mounting of the electrode sheet on the strap.
Fig. 5 is a schematic view of the electrode sheet structure.
FIG. 6 is a schematic view of the slack adjuster box.
Wherein: 1. electrode slice, 2, connecting wire, 3, back strap, 4, chest strap, 5, waistband, 6, indicator light, 7, button, 8, tightness adjusting box, 101, air inlet, 102, junction box, 103, air hole, 104, air inlet valve, 105, air outlet pipe, 106, sliding block, 107, spring, 108, sleeve, 109, air outlet valve, 110, shell, 111, suction ring, 112, metal patch, 113, skin, 114, sliding sleeve, 115, top block, 801, locking block, 802, permanent magnet, 803, locking bar, 804, electromagnet, 805, shell, 806, button, 807, lock catch, 808, bandage, 809, sliding groove, 810, friction wheel, 811, pinch roller, 812, friction bar, 813, drive spring, 814, threading groove, 815, chuck, 200, communication module, 300, loudspeaker, 400, MCU.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
A small-sized electrocardiogram tester suitable for household use is disclosed, as shown in fig. 1 and fig. 2, comprising a casing, a wearing bandage 808, a plurality of electrode plates 1, a plurality of connecting lines 2, a plug connector, a collecting plate, an MCU400, a communication module 200, keys 7 and a server, wherein the wearing bandage 808 comprises two straps 3, a chest belt 4, a waistband 5 and a connecting belt, one end of each strap 3 is connected with the front part of the chest belt 4, the other end of each strap 3 is connected with the rear part of the chest belt 4 after bypassing the shoulder, one end of the connecting belt is connected with the front part of the chest belt 4, the other end of the connecting belt is connected with the waistband 5, the chest belt 4 is worn on the chest of a patient, the casing is fixedly arranged at the front part of the chest belt 4, the casing is provided with a plurality of plug connectors, the collecting plate is arranged in the casing, a plurality of electrode plates 1 are fixedly embedded on the straps 3 or the chest belt, electrode slice 1 passes through connecting wire 2 and is connected with the bayonet joint, and the bayonet joint matches with the interface, and the interface is connected with gathering the board, gathers the electric potential signal of electrode slice 1 department through connecting wire 2 by gathering the board, and button 7 installs on the casing, gathers board, communication module 200 and button 7 and all is connected with MCU400, and communication module 200 and server communication are connected. The card box comprises a shell 805, a button 806, a lock catch 807 and a return spring 107, wherein a groove for installing the lock catch 807 is formed in the shell 805, the return spring 107 is installed between the lock catch 807 and the groove, the button 806 is fixedly connected with the lock catch 807, the button 806 extends out of the shell 805, and a notch matched with the lock catch 807 is formed in the front of a clamping head 815.
As shown in fig. 3, a plurality of indicator lamps 6 are installed side by side on the housing, the indicator lamps 6 are connected with the power supply through an electronic switch, the electronic switch is connected with the MCU400, the plurality of indicator lamps 6 have different colors, the speaker 300 is installed in the housing, sound holes matched with the position of the speaker 300 are processed on the housing, the speaker 300 is the speaker 300 with a driving circuit, and the speaker 300 is connected with the MCU 400.
As shown in fig. 4 and 5, the electrode sheet 1 includes a casing 110, a metal patch 112, a metal wire and a junction box 102, the metal patch 112 is connected to the junction box 102 through the metal wire, the connection wire 2 is connected to the junction box 102, the metal wire is conducted with the connection wire 2, the junction box 102 is located in the casing 110, the bottom of the casing 110 is a plane, a gas-permeable membrane covers the bottom of the casing 110, the metal patch 112 is located outside the gas-permeable membrane at the bottom of the casing 110, and the metal patch 112 is fixedly connected to the gas-permeable membrane.
The ventilated membrane is provided with two circles of concentric raised petals, the cross sections of the two circles of raised petals are in a shape of a Chinese character 'Zhu', and the two circles of raised petals form an absorption ring 111; the electrode plate 1 further comprises a sleeve 108, a sliding block 106, a sliding sleeve 114 and a top block 115, the gas valve comprises a spring 107, a gas inlet valve 104, a gas outlet valve 109 and a gas outlet pipe 105, wherein a sleeve 108 is positioned in a shell 110 and is fixedly connected with the shell 110, a sliding block 106 is slidably installed in the sleeve 108, one end of the sleeve 108 is closed, the other end of the sleeve 108 is in sealing connection with the shell 110, one side of one end, connected with the shell 110, of the sleeve 108 is provided with a gas inlet 101, one side of the other end of the sleeve 108 is provided with a gas outlet, the spring 107 is installed between the sliding block 106 and the closed end of the sleeve 108, two ends of the spring 107 are connected with two pins of the MCU400 through conducting wires, a sliding sleeve 114 is fixedly connected with the sleeve 108, one end of a top block 115 is slidably connected with a sliding sleeve 114, the other end of the top block 115 is fixedly connected with a metal patch 112. When a voltage difference exists between two pins of the MCU400, the spring 107 contracts to drive the sliding block 106 to slide downwards, the air inlet 101 admits air, and then when the voltage difference is lost between the two pins of the MCU400, the spring 107 recovers to drive the sliding block 106 to slide upwards, the air is pushed into the air outlet pipe 105 and enters the sliding sleeve 114, the ejector block 115 is pushed to move downwards, the metal patch 112 and the skin 113 are tightly attached, the air inlet of the air inlet 101 enables the air pressure in the shell 110 to be reduced, then the air is inhaled from the air hole 103 in the suction ring 111, and the shell 110 is enabled to be more tightly attached to the skin 113.
The driving wheel comprises a friction wheel 810, a friction rod 812 and a driving spring 813, a sliding groove 809 is formed in the box body, the friction rod 812 is clamped into the sliding groove 809, the friction wheel 810 is fixedly connected with a pressing wheel 811 in a concentric mode, the friction wheel 810 is abutted against the friction rod 812, one end of the driving spring 813 is fixedly connected with the friction rod 812, the other end of the driving spring 813 is fixedly connected with the sliding groove 809, an electronic switch K1 and a direct-current power supply V1 are connected to the two ends of the driving spring 813 in series, and the control end of the electronic switch K1 is connected with the MCU. Driving spring 813 can contract when passing through the electric current, and the shrinkage is relevant with the electric current size, and the mode control electronic switch K1 through PWM switches on to account for the ratio, can control the electric current through driving spring 813, controls the length of driving spring 813 promptly, and driving spring 813 moves through driving friction lever 812, and drive friction wheel 810 rotates, provides power for pinch roller 811, and pinch roller 811 rotates the completion back, through locking head locking.
The locking head comprises a locking block 801, a locking spring 107, a permanent magnet 802, a locking rod 803, an electromagnet 804 and a driving circuit, the locking rod 803 is hollow, the locking rod 803 is installed in the box body, the locking block 801 is sleeved in the locking rod 803, the locking spring 107 enables the locking block 801 to be abutted against a pinch roller 811, the permanent magnet 802 is fixedly connected with the locking block 801, the electromagnet 804 is installed in the locking rod 803, the electromagnet 804 is connected with the driving circuit, and the driving circuit is connected with the MCU 400. The electromagnet 804 and the permanent magnet 802 attract each other, so that the locking block 801 is separated from the pinch roller 811.
The beneficial technical effects of this embodiment are: not only can hug closely electrode slice 1 with user's skin 113 through dressing bandage 808, improve the accuracy of signal of telecommunication collection, can also assist and give electrode slice 1 location, dress bandage 808 can be in the hospital by medical personnel adjustment length back, the user carries home and uses, next time use can be with the help of the position of dressing bandage 808 accurate definite electrode slice 1, the accuracy of electrocardiogram collection has been improved, the convenience of using has been improved, even also can use to the user that electrocardiogram collection knowledge is unfamiliar. Under the condition that a user needs to use the device alone to collect an electrocardiogram, the user only needs to wear the dressing bandage 808 to complete the attachment of the electrode plate 1. If the strap 808 is not worn, when one person attaches the plurality of electrode plates 1 alone, the positions are easy to find out, time and labor are wasted, and particularly when a user is inconvenient to move, the strap 808 can be worn to play a great help role. The back belt 3, the chest belt 4, the waist belt 5 and the connecting belt are all an inelastic binding band 808, and two ends of the binding band 808 are respectively provided with a clamping head 815 and a clamping box. Inelastic straps 808 can improve positional accuracy.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. A small-sized electrocardiogram tester suitable for household use is characterized in that,
comprises a shell, a wearing bandage, a plurality of electrode plates, a plurality of connecting wires, a plug connector, a collecting plate, an MCU, a communication module, keys and a server,
the wearable bandage comprises two straps, a chest belt, a waistband and a connecting belt, one end of each strap is connected with the front part of the chest belt, the other end of each strap is connected with the rear part of the chest belt after bypassing the shoulder, one end of the connecting belt is connected with the front part of the chest belt, the other end of the connecting belt is connected with the waistband, the chest belt is worn on the chest of a patient, the casing is fixedly installed at the front part of the chest belt, the casing is provided with a plurality of inserting ports, the acquisition board is installed in the casing, a plurality of electrode plates are fixedly embedded on the straps or the chest belt, the positions of the electrode plates are matched with the detection positions, a plurality of electrode plates are attached to the skin of the human body, the electrode plates are connected with the inserting heads through connecting lines, the inserting heads are matched with the inserting ports, the inserting ports are connected with the acquisition board, the acquisition board acquires, the acquisition board, the communication module and the keys are all connected with the MCU, and the communication module is in communication connection with the server.
2. A small electrocardiographic tester suited for home use according to claim 1,
the back strap, the chest strap, the waistband and the connecting band are inelastic bandages, and two ends of each bandage are respectively provided with a clamping head and a clamping box.
3. A small electrocardiographic tester suited for home use according to claim 2,
the card box includes shell, button, hasp and return spring, be equipped with the recess that is used for installing the hasp in the shell, return spring installs between hasp and recess, button and hasp fixed connection, the shell is stretched out to the button, dop front portion processing have with the breach that the hasp matches.
4. A small electrocardiographic tester suited for home use according to claim 2 or 3,
all be equipped with the elasticity regulating box on braces, pectoral girdle, waistband and the connecting band, the elasticity regulating box includes box body, locking head, pinch roller and drive wheel, box body and card box fixed connection, the box body is equipped with wears the trough of belt, the pinch roller rotates with the box body to be connected, pinch roller and bandage butt, drive wheel drive pinch roller rotates, the locking head is installed in the box body, locking head position and pinch roller match.
5. A small electrocardiographic tester suited for home use according to claim 4,
the driving wheel includes friction pulley, friction lever and drive spring, be equipped with the spout in the box body, the friction lever card is gone into the spout, the concentric fixed connection of friction pulley and pinch roller, friction pulley and friction lever butt, drive spring one end and friction lever fixed connection, the drive spring other end and spout fixed connection, it has electronic switch K1 and DC power supply V1 to establish ties at the drive spring both ends, and electronic switch K1's control end is connected with MCU.
6. A small electrocardiographic tester suited for home use according to claim 4,
the locking head comprises a locking block, a locking spring, a permanent magnet, a locking rod, an electromagnet and a driving circuit, the locking rod is hollow, the locking rod is installed in the box body, the locking block is sleeved in the locking rod, the locking spring enables the locking block to be abutted against the pressing wheel, the permanent magnet is fixedly connected with the locking block, the electromagnet is installed in the locking rod and connected with the driving circuit, and the driving circuit is connected with the MCU.
7. A small electrocardiographic tester suited for home use according to claim 1, 2 or 3,
still include a plurality of pilot lamp and a plurality of electronic switch, a plurality of the pilot lamp is installed side by side on the casing, the pilot lamp passes through electronic switch and is connected with the power, electronic switch is connected with MCU, a plurality of the pilot lamp has different colours.
8. A small electrocardiographic tester suited for home use according to claim 1, 2 or 3,
the loudspeaker is arranged in the shell, a sound outlet hole matched with the position of the loudspeaker is processed on the shell, the loudspeaker is a loudspeaker with a driving circuit, and the loudspeaker is connected with the MCU.
9. A small electrocardiographic tester suited for home use according to claim 1, 2 or 3,
the electrode slice comprises a shell, a metal patch, a metal wire and a junction box, wherein the metal patch is connected with the junction box through the metal wire, the connecting wire is connected with the junction box, the metal wire is communicated with the connecting wire, the junction box is positioned in the shell, the bottom of the shell is a plane, a breathable film covers the bottom of the shell, the metal patch is positioned outside the breathable film at the bottom of the shell, and the metal patch is fixedly connected with the breathable film.
10. A small electrocardiographic tester suited for home use according to claim 9,
the breathable membrane is provided with two circles of concentric raised petals, the cross sections of the two circles of raised petals are in a shape of a Chinese character 'Fu', and the two circles of raised petals form a suction ring;
the electrode plate further comprises a sleeve, a sliding block, a sliding sleeve, a top block, a spring, an air inlet valve, an air outlet valve and an air outlet pipe, wherein the sleeve is located in the shell and fixedly connected with the shell, the sliding block is slidably mounted in the sleeve, one end of the sleeve is sealed, the other end of the sleeve is in sealing connection with the shell, one side of one end, connected with the shell, of the sleeve is provided with an air inlet, one side of the air inlet is provided with an air outlet, the spring is mounted between the sliding block and the closed end of the sleeve, two ends of the spring are connected with two pins of the MCU through wires, the sliding sleeve is fixedly connected with the sleeve, one end of the top block is slidably connected with the sliding sleeve, the other end of the top block is fixedly connected with a metal patch, the sliding sleeve is.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110058022.3A CN112754494B (en) | 2021-01-15 | 2021-01-15 | Be suitable for domestic small-size electrocardiogram tester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110058022.3A CN112754494B (en) | 2021-01-15 | 2021-01-15 | Be suitable for domestic small-size electrocardiogram tester |
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| CN112754494A true CN112754494A (en) | 2021-05-07 |
| CN112754494B CN112754494B (en) | 2022-12-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876334A (en) * | 2021-09-08 | 2022-01-04 | 中南大学湘雅医院 | Portable permanent dynamic electrocardiogram device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205849451U (en) * | 2016-05-16 | 2017-01-04 | 上海米开医疗科技有限公司 | A kind of portable fast survey electrocardiograph |
| CN210990266U (en) * | 2019-08-02 | 2020-07-14 | 天津英福科技有限公司 | Portable electrocardio monitoring box |
-
2021
- 2021-01-15 CN CN202110058022.3A patent/CN112754494B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205849451U (en) * | 2016-05-16 | 2017-01-04 | 上海米开医疗科技有限公司 | A kind of portable fast survey electrocardiograph |
| CN210990266U (en) * | 2019-08-02 | 2020-07-14 | 天津英福科技有限公司 | Portable electrocardio monitoring box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876334A (en) * | 2021-09-08 | 2022-01-04 | 中南大学湘雅医院 | Portable permanent dynamic electrocardiogram device |
| CN113876334B (en) * | 2021-09-08 | 2024-07-30 | 中南大学湘雅医院 | Portable long-term dynamic electrocardiogram device |
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| Publication number | Publication date |
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| CN112754494B (en) | 2022-12-09 |
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