CN216755203U - Closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignal - Google Patents
Closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignal Download PDFInfo
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- CN216755203U CN216755203U CN202123439925.0U CN202123439925U CN216755203U CN 216755203 U CN216755203 U CN 216755203U CN 202123439925 U CN202123439925 U CN 202123439925U CN 216755203 U CN216755203 U CN 216755203U
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Abstract
The utility model provides a closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals, which comprises an electrocardio acquisition device and a stimulation device, wherein a plurality of acquisition electrodes are arranged in the electrocardio acquisition device, the stimulation device is provided with a stimulation electrode, and the acquisition electrodes are connected with the stimulation electrode through a feedback control system; the electrocardio collecting device comprises six groups of collecting electrodes and a bracket body fixed on the chest of a human body through a bandage, wherein each group of collecting electrodes is respectively arranged on the bracket body through a group of mounting seats to form a chest lead structure; in the closed-loop percutaneous auricular vagus nerve stimulator based on the electrocardiosignals, the electrocardio collecting device comprises a bracket body and a bandage, six groups of collecting electrodes are arranged on the bracket body, and the collecting electrodes are not easy to fall off or deviate from collecting positions after a patient wears the electrocardio collecting device; in addition, each group of collecting electrodes can be finely adjusted up and down, so that the optimal signal collecting point can be conveniently adjusted.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a closed-loop percutaneous auricular vagus nerve stimulator based on electrocardiosignals.
Background
In medicine, in the process of epileptic seizure, cerebral cortex of a patient discharges abnormally and is accompanied by the characteristics of tachycardia and tachycardia, so that after the epileptic patient is diagnosed, the epileptic seizure can be judged by monitoring electrocardiosignals of the patient; meanwhile, researches show that by stimulating the vagus nerve of a patient, the seizure frequency and seizure time of the patient can be reduced, and the therapeutic effect on epilepsy is great.
For the acquisition of electrocardiosignals, a plurality of groups of acquisition electrodes need to be arranged at various positions of the body of a patient, for example, in the arrangement mode of a common chest lead structure, 6 groups of acquisition electrodes are needed to be arranged on the chest of a human body, namely v1, v2, v3, v4, v5 and v 6; generally, in the setting process of the chest lead structure, medical staff directly adsorb the collecting electrode at the corresponding position of the chest of a human body, and when a patient turns over and other actions occur, the collecting electrode is easy to fall off from the skin, so that the accuracy of data collection is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the background art and provides a closed-loop percutaneous auricular vagus nerve stimulation instrument based on an electrocardiosignal.
The embodiment of the utility model is realized by the following technical scheme:
the closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignals comprises an electrocardio acquisition device internally provided with a plurality of acquisition electrodes and a stimulation device internally provided with stimulation electrodes, wherein the acquisition electrodes are connected with the stimulation electrodes through a feedback control system;
the electrocardio acquisition device comprises six groups of acquisition electrodes and a bracket body fixed on the chest of a human body through a bandage, wherein each group of acquisition electrodes is respectively arranged on the bracket body through a group of mounting seats to form a chest lead structure;
a sliding groove is vertically arranged in the mounting seat, a group of sliding blocks capable of sliding up and down are arranged in the sliding groove, and the collecting electrode is mounted on the sliding blocks; a group of first springs used for supporting the sliding block is arranged in the sliding groove at the lower end of the sliding block, a group of first fasteners are connected to the upper end of the mounting seat in a threaded mode, and the lower ends of the first fasteners extend into the sliding groove and abut against the upper end face of the sliding block.
Further, the bracket body comprises a first arc-shaped section, a straight section, an inclined section and a second arc-shaped section which are sequentially connected; the first arc-shaped section and the second arc-shaped section are worn on two sides of the chest of the human body, and the second arc-shaped section is worn on one side close to the heart of the human body;
the straight section is horizontally arranged, the inclined section is provided with a first end and a second end which are opposite, and the first end of the inclined section is inclined upwards and is connected with the straight section; the second end of the inclined section is inclined downwards and is connected with the second arc-shaped section; the six groups of collecting electrodes are arranged on the straight section, the inclined section and the second arc-shaped section.
Further, the bandage is provided with a first end and a second end which are opposite, wherein the first end of the bandage is fixedly connected with the first arc-shaped section, and the end part of the second arc-shaped section is provided with a length adjusting device for adjusting the length of the bandage;
the length adjusting device is internally provided with an upper shell and a lower shell which are opposite, and a channel for the bandage to pass through is arranged between the upper shell and the lower shell; a group of locking pieces are arranged in the channel, the locking pieces are sequentially divided into an unlocking section, a hinge section and a locking section along the length direction, the hinge section is hinged to the side wall of the channel, and the locking section is provided with a tooth-shaped part facing the surface of the bandage in the channel; and a second spring for driving the tooth-shaped part to be meshed with the bandage is also arranged in the channel.
Furthermore, a guide cylinder is vertically arranged in the upper shell, a group of extrusion pieces are arranged in the guide cylinder in a penetrating mode in a vertical sliding mode, the second spring is arranged in the guide cylinder, and the second spring is compressed between the top of the guide cylinder and the extrusion pieces.
Further, a second fastening piece is connected to the upper shell in a threaded mode, the lower end of the second fastening piece extends into the channel right above the unlocking section, and the unlocking section is pressed downwards through screwing the fastening piece, so that the tooth-shaped portion of the locking section is separated from the surface of the bandage.
Further, the stimulation device comprises a head support which is used for being worn on the head of a human body, and the stimulation electrode is arranged on the head support.
Furthermore, a sucker for sucking the skin of the human body is arranged on the sliding block, and the collecting electrode is arranged in the center of the sucker.
The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects: in the closed-loop percutaneous auricular vagus nerve stimulator based on electrocardiosignals, an electrocardio acquisition device comprises a bracket body and a bandage, six groups of acquisition electrodes are arranged on the bracket body, and after a patient wears the electrocardio acquisition device, the acquisition electrodes are not easy to fall off or deviate from the acquisition position; in addition, each group of collecting electrodes can be finely adjusted up and down, so that the optimal signal collecting point can be conveniently adjusted.
Drawings
FIG. 1 is a first perspective view of an ECG collection device according to the present invention;
FIG. 2 is a second perspective view of the ECG collection device of the present invention;
FIG. 3 is a schematic view of the acquisition electrode mounting of the present invention;
FIG. 4 is a schematic view of the length adjustment mechanism of the present invention;
FIG. 5 is a perspective view of a stimulation device of the present invention;
FIG. 6 is a schematic circuit diagram of the closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals according to the present invention;
icon: 10-stent body, 100-first arc section, 101-straight section, 102-inclined section, 103-second arc section, 11-mounting seat, 110-sliding groove, 111-first fastening piece, 112-sliding block, 113-first spring, 12-length adjusting device, 120-upper shell, 121-lower shell, 122-locking piece, 122 a-unlocking section, 122 b-locking section, 122 c-hinged section, 122 d-toothed part, 123-guide cylinder, 124-extrusion piece, 125-second spring, 126-second fastening piece, 20-bandage, 30-collecting electrode, 300-sucking disc, 40-stimulating electrode and 400-head stent.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1 to 5, the present invention provides a closed-loop percutaneous auricular vagus nerve stimulation apparatus based on electrocardiosignals, which comprises an electrocardiosignal collecting device for collecting electrocardiosignals of a patient and a stimulation device for stimulating vagus nerve in the auricular cavity of the head of the patient.
The electrocardio collection system is characterized in that a plurality of collection electrodes 30 are arranged in the electrocardio collection device, the collection electrodes 30 are of a dry electrode structure common in medical treatment, the stimulation electrodes 40 are worn on the head of a patient through a head-wearing structure, the wearing and the detaching are convenient, referring to fig. 5, the head-wearing structure comprises a head support 400 in an ear-hanging mode, and the stimulation electrodes 40 are arranged inside the head support 400.
The plurality of collecting electrodes 30 are connected with the plurality of stimulating electrodes 40 through an existing feedback control system, the working principle of the feedback control system is described later, and the utility model focuses on the mechanical structure part of the stimulator.
Referring to fig. 1 to 4, the electrocardiograph acquisition device comprises six groups of acquisition electrodes 30 and a support body 10 fixed on the chest of a human body through a bandage 20, wherein each group of acquisition electrodes 30 is respectively installed on the support body 10 through a group of installation seats 11 to form a chest lead structure; when in work, the electrocardio-acquisition device is worn on the chest of a human body.
Referring to fig. 2 and 3, a sliding groove 110 is vertically arranged in each set of the mounting seats 11, a set of sliding blocks 112 capable of sliding up and down are arranged in the sliding groove 110, the collecting electrodes 30 are mounted on the sliding blocks 112, and a lead connected with the collecting electrodes 30 is inserted into the support body 10; a group of first springs 113 used for supporting the sliding block 112 is arranged in the sliding groove 110 at the lower end of the sliding block 112, a group of first fastening pieces 111 are connected to the upper end of the mounting base 11 in a threaded mode, the lower ends of the first fastening pieces 111 extend into the sliding groove 110 and abut against the upper end face of the sliding block 112, the first fastening pieces 111 are screwed, the height of the collecting electrode 30 can be conveniently adjusted, and the collecting electrode 30 is adjusted to the optimal working position through vertical fine adjustment.
Optionally, a suction cup 300 for sucking the skin of the human body is disposed on the slider 112, and the collecting electrode 30 is disposed in the center of the suction cup 300.
Referring to fig. 1, the stent body 10 is divided according to the extending direction of its length, and includes a first arc-shaped section 100, a straight section 101, an inclined section 102 and a second arc-shaped section 103 which are connected in sequence; the first arc-shaped section 100 and the second arc-shaped section 103 are used for being worn on two sides of the chest of the human body, and the second arc-shaped section 103 is worn on one side close to the heart of the human body; namely, the first arc-shaped segment 100 is worn on the right hand side of the human body, and the second arc-shaped segment 103 is worn on the left hand side of the human body, the stent body 10 has slight elasticity, so that the stent body can be slightly bent to better fit the contour of the chest of the human body when being worn.
In addition, referring to fig. 1, when worn, the straight section 101 is horizontally disposed, the inclined section 102 has a first end and a second end opposite to each other, and the first end of the inclined section 102 is inclined upward and connected to the straight section 101; the second end of the inclined section 102 is inclined downwards and connected with the second arc-shaped section 103; the six groups of collecting electrodes 30 are arranged on the straight section 101, the inclined section 102 and the second arc-shaped section 103, the six groups of collecting electrodes 30 form a group in pairs, and the straight section 101, the inclined section 102 and the second arc-shaped section 103 are respectively provided with two groups.
Referring to fig. 2 and 4, the bandage 20 has a first end and a second end opposite to each other, wherein the first end of the bandage 20 is fixedly connected to the first arc-shaped segment 100, and the end of the second arc-shaped segment 103 is provided with a length adjusting device 12 for adjusting the length of the bandage 20;
the length adjusting device 12 is internally provided with an upper shell 120 and a lower shell 121 which are opposite, and a passage for the bandage 20 to pass through is arranged between the upper shell 120 and the lower shell 121; a group of locking pieces 122 are arranged in the channel, the locking pieces 122 are sequentially divided into an unlocking section 122a, a hinged section 122c and a locking section 122b along the length direction, the hinged section 122c is hinged on the side wall of the channel, and the locking section 122b is provided with a tooth-shaped part 122d facing the surface of the bandage 20 in the channel; a second spring 125 for driving the tooth portion 122d to engage the bandage 20 is further disposed in the channel, and when adjustment is required, the unlocking section 122a is pressed, the second spring 125 contracts, and the tooth portion 122d is separated from the bandage.
In some embodiments, a guide cylinder 123 is vertically disposed in the upper housing 120, a set of the pressing members 124 is slidably disposed in the guide cylinder 123 up and down, the second spring 125 is disposed in the guide cylinder 123, and the second spring 125 is compressed between the top of the guide cylinder 123 and the pressing members 124, the second spring 125 drives the pressing members 124 to move down, and the pressing members 124 press the locking sections 122b down to lock the bandage 20.
To facilitate unlocking, optionally, a second fastening member 126 is further screwed to the upper housing 120, and a lower end of the second fastening member 126 extends into the passage directly above the unlocking section 122a, so that the unlocking section 122a is pressed down by screwing the fastening member, so that the tooth 122d of the locking section 122b is disengaged from the surface of the bandage 20.
In medicine, in the event of an epileptic seizure, cerebral cortex of a patient discharges abnormally, and is accompanied by tachycardia and tachycardia, so that after the patient diagnoses the epileptic seizure, the epileptic seizure precursor can be judged through the change of an Electrocardiogram (ECG), and corresponding treatment measures can be taken.
In this embodiment, when the closed-loop percutaneous auricular vagus nerve stimulation apparatus device based on an electrocardiographic signal is in use, the feedback control system controls the work between the collecting electrode 30 and the stimulating electrode 40, that is:
referring to fig. 6, in the feedback control system, the electrocardiographic signal is acquired by the electrocardiographic acquisition device part, and then the stimulation device part is controlled to stimulate the vagus nerve in the cavum concha of the head of the wearer so as to achieve the effect of closed-loop control type stimulation treatment.
Specifically, a plurality of collecting electrodes 30 in the electrocardio collecting device collect electrocardiosignals of each part of the body of a wearer, and waveform signals collected by the plurality of collecting electrodes 30 are conducted to an electrocardio preprocessing module after being subjected to waveform processing by a preamplification chip and a filter circuit, wherein in the embodiment, the preamplification chip adopts an INA321 chip of a Texas instrument and can amplify the waveform signals by 8-10 times; the electrocardio pretreatment module adopts an MSP430F135 chip of a Texas instrument, converts the waveform signal into a digital signal through A/D conversion of the electrocardio pretreatment module and transmits the digital signal to the MCU main control unit; the MCU master control unit adopts a wireless MCU, such as an mpleLink CC2640R2F of Texas instruments, and a Bluetooth module is integrated in the MCU master control unit to transmit digital signals to a microcontroller in the stimulation device.
It should be noted that: in some embodiments, a wired connection may be used between the ecg collection device and the stimulation device.
In the embodiment, the microcontroller is a CMOS microcontroller of a type AiP63P0104 of the yun-nationality micro-technology, because the epileptic seizure has a precursor, when a patient wearing the device feels the precursor at home or in other occasions, the heart rate and the electrocardiographic waveform of the patient change and are transmitted to the stimulation device through the electrocardiographic acquisition device, and after the heart rate and the electrocardiographic waveform meet the epileptic seizure judgment signal set by the microcontroller, the microcontroller controls the stimulation driving unit to output a stimulation current not greater than 2mA to the stimulation electrode, so as to stimulate the vagus nerve in the cavum concha of the patient, shorten seizure time or reduce the severity of the seizure, thereby achieving the effect of preventing and treating the epileptic seizure.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Closed loop percutaneous auricle vagus nerve stimulation appearance based on electrocardio signal is equipped with the electrocardio collection system of a plurality of collection electrodes (30) in and is equipped with the stimulation device of stimulating electrode (40) in including, is connected its characterized in that through feedback control system between a plurality of collection electrodes (30) and stimulating electrode (40):
the electrocardio acquisition device comprises six groups of acquisition electrodes (30) and a support body (10) fixed on the chest of a human body through a bandage (20), wherein each group of acquisition electrodes (30) is respectively arranged on the support body (10) through a group of mounting seats (11) to form a chest lead structure;
a sliding groove (110) is vertically arranged in the mounting seat (11), a group of sliding blocks (112) capable of sliding up and down are arranged in the sliding groove (110), and the collecting electrode (30) is mounted on the sliding blocks (112); a group of first springs (113) used for supporting the sliding block (112) is arranged in the sliding groove (110) at the lower end of the sliding block (112), a group of first fastening pieces (111) are connected to the upper end of the mounting base (11) in a threaded mode, and the lower end of each first fastening piece (111) extends into the sliding groove (110) and abuts against the upper end face of the sliding block (112).
2. The closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals according to claim 1, wherein: the support body (10) comprises a first arc-shaped section (100), a straight section (101), an inclined section (102) and a second arc-shaped section (103) which are connected in sequence; the first arc-shaped section (100) and the second arc-shaped section (103) are worn on two sides of the chest of the human body, and the second arc-shaped section (103) is worn on one side close to the heart of the human body;
the straight section (101) is horizontally arranged, the inclined section (102) is provided with a first end and a second end which are opposite, and the first end of the inclined section (102) is inclined upwards and is connected with the straight section (101); the second end of the inclined section (102) is inclined downwards and is connected with the second arc-shaped section (103); the six groups of collecting electrodes (30) are arranged on the straight section (101), the inclined section (102) and the second arc-shaped section (103).
3. The closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals according to claim 2, wherein: the bandage (20) is provided with a first end and a second end which are opposite, wherein the first end of the bandage (20) is fixedly connected with the first arc-shaped section (100), and the end part of the second arc-shaped section (103) is provided with a length adjusting device (12) used for adjusting the length of the bandage (20);
the length adjusting device (12) is internally provided with an upper shell (120) and a lower shell (121) which are opposite, and a passage for the bandage (20) to pass through is arranged between the upper shell (120) and the lower shell (121); a group of locking pieces (122) are arranged in the channel, the locking pieces (122) are sequentially divided into an unlocking section (122a), a hinge section (122c) and a locking section (122b) along the length direction, the hinge section (122c) is hinged on the side wall of the channel, and the locking section (122b) is provided with a tooth-shaped part (122d) facing the surface of the bandage (20) in the channel; a second spring (125) is also provided in the channel for driving the tooth (122d) to engage the bandage (20).
4. The closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals according to claim 3, wherein: a guide cylinder (123) is vertically arranged in the upper shell (120), a group of extrusion pieces (124) can penetrate through the guide cylinder (123) in a vertical sliding mode, the extrusion pieces (124) are used for extruding the locking sections (122b), the second spring (125) is installed in the guide cylinder (123), and the second spring (125) is compressed between the top of the guide cylinder (123) and the extrusion pieces (124).
5. The closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals according to claim 4, wherein: a second fastening member (126) is further screwed to the upper case (120), and the lower end of the second fastening member (126) extends into the passage directly above the unlocking section (122a) so that the unlocking section (122a) is pressed down by screwing the fastening member, so that the tooth-shaped portion (122d) of the locking section (122b) is disengaged from the surface of the bandage (20).
6. The closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals according to claim 1, wherein: the stimulation device comprises a head support (400) which is used for being worn on the head of a human body, and the stimulation electrode (40) is arranged on the head support (400).
7. The closed-loop percutaneous auricular vagus nerve stimulation instrument based on electrocardiosignals according to claim 1, wherein: the slider (112) is provided with a sucker (300) for adsorbing the skin of a human body, and the collecting electrode (30) is arranged in the center of the sucker (300).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439925.0U CN216755203U (en) | 2021-12-31 | 2021-12-31 | Closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439925.0U CN216755203U (en) | 2021-12-31 | 2021-12-31 | Closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignal |
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| CN216755203U true CN216755203U (en) | 2022-06-17 |
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| CN202123439925.0U Active CN216755203U (en) | 2021-12-31 | 2021-12-31 | Closed-loop percutaneous auricle vagus nerve stimulation instrument based on electrocardiosignal |
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