CN215995294U - Electrode device integrating stimulation and monitoring - Google Patents
Electrode device integrating stimulation and monitoring Download PDFInfo
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- CN215995294U CN215995294U CN202023255904.9U CN202023255904U CN215995294U CN 215995294 U CN215995294 U CN 215995294U CN 202023255904 U CN202023255904 U CN 202023255904U CN 215995294 U CN215995294 U CN 215995294U
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Abstract
The utility model provides a stimulation and monitoring integrated electrode device, which comprises a nerve monitoring host, an electrode post and an electrode tip, wherein a stimulation circuit and a signal acquisition circuit are arranged in the nerve monitoring host, and the electrode tip comprises a stimulation probe, a recording probe and a reference probe; the stimulation circuit is connected with the stimulation probe and used for outputting current to stimulate nerves; the signal acquisition cable is connected with the recording probe and the reference probe and is used for acquiring the action potential of the proximal nerve and the action potential of the distal nerve. The device integrates the stimulation output electrode and the monitoring recording electrode, can greatly reduce various electrodes inserted into muscles of a patient in intraoperative nerve monitoring, can realize the effects of stimulating and monitoring the nerve muscles by operating one electrode by a surgeon with one hand, can monitor the nerve trend by moving the device, can also move to different nerve muscles at will to monitor without replacing the recording electrode, greatly facilitates the surgeon, and reduces the operation difficulty.
Description
Technical Field
The utility model belongs to the technical field of stimulating electrodes, and particularly relates to an electrode device integrating stimulation and monitoring.
Background
Intraoperative nerve monitoring refers to intraoperative nerve electrophysiology monitoring technology which is used for objectively monitoring the functional integrity of a nervous system in real time and assisting in distinguishing nerve structures and boundary lines. The nerve function damage risk in the patient operation can be reduced by applying the monitoring in the neuroelectrophysiology operation, the current common monitoring mode is to stimulate the nerve by an electrical stimulation electrode and acquire the electromyographic signals of corresponding muscles by a recording electrode, so as to indirectly monitor the nerve function, the general recording electrode is composed of a needle electrode or a surface electrode, the recording electrode is required to be fixed on the surface of the corresponding muscle or skin, and the electrical stimulation electrode is operated by an operator.
The existing monitoring mode has the following problems that an electrostimulation electrode and a recording electrode are completely separated, the separation mode causes a lot of troubles during operation, and the first condition is that: when the muscle corresponding to a certain nerve is monitored to be exposed easily, for example, the laryngeal muscle groups corresponding to the recurrent laryngeal nerve, the facial nerve, the vagus nerve and the like, the recording electrode is easy to contact with the muscle, and the intraoperative monitoring is easy to realize. The second case is: when monitoring a single nerve in operation, such as cricothyroid muscle corresponding to the superior laryngeal nerve, the monitoring in operation can be realized only by contacting the recording electrode with the cricothyroid muscle or the surface thereof, but when an operator needs to stimulate a plurality of different nerves around according to the operation condition, such as monitoring the lower abdominal nerve plexus and pelvic visceral nerve in colorectal cancer operation, the recording electrodes need to be inserted into corresponding nine muscles, at the moment, the needle electrode needs to be inserted for a plurality of times or the surface electrode needs to be attached, the operation table needs to be sterile, thus the operation time is inevitably prolonged, the operation is complicated for the operator, the operation is not easy to be performed at the hidden positions of a plurality of muscles, and the operation is not easy to be performed at the hidden positions of the muscles
SUMMERY OF THE UTILITY MODEL
Based on the above problems, it is an object of the present invention to provide an electrode device with integrated stimulation and monitoring.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a stimulation and monitoring integrated electrode device comprises a nerve monitoring host, an electrode column and an electrode tip, wherein a stimulation circuit and a signal acquisition circuit are arranged in the nerve monitoring host, and the electrode tip comprises a stimulation probe, a recording probe and a reference probe; one end of the electrode column is provided with a conical end, the stimulating probe is arranged at the top of the conical end, the positive electrode output end of the stimulating circuit sequentially penetrates through the electrode column and the conical end and then is connected with the stimulating probe to be used for outputting current to stimulate nerves, and the negative electrode of the stimulating circuit is connected with a negative electrode patch outside the nerve monitoring host; the recording probe and the reference probe are sequentially arranged at the middle part and the bottom part of the conical end in a surrounding manner, and a signal acquisition cable of the nerve monitoring host sequentially penetrates through the electrode column and the conical end and then is respectively connected with the recording probe and the reference probe so as to be used for acquiring a near-end nerve action potential and a far-end nerve action potential; a signal ground is also arranged in the nerve monitoring host and is connected with an external grounding electrode plate through a cable; the nerve monitoring host is also provided with a control key connected with the stimulation circuit for controlling the on and off of the stimulation circuit and the regulation of the output power.
The utility model provides a stimulation and monitoring integrated electrode device, which has the working principle that: when a doctor uses the electrode to monitor nerves in the operation process, the stimulating probe outputs current to stimulate nerves, the recording probe and the reference probe respectively collect near-end and far-end nerve electrical signals and send the signals to the signal collecting circuit, and the nerve monitoring host analyzes the potential signals and then displays the signals through the display screen, so that the doctor can monitor different nerves conveniently in the operation process without other operations.
The top of the stimulating probe is spherical, the recording probe and the reference probe are respectively annular probes with the width of 2mm, and the stimulating probe, the recording probe and the reference probe are sequentially spaced by 10 mm.
The recording probe and the reference probe respectively protrude relative to the external conical surface of the conical end, and the protruding height is 0.5 mm.
Specifically, a control button is arranged in the middle of the electrode column, the control button comprises a mode selection switch and an intermittent stimulation switch, the stimulation circuit comprises an intermittent stimulation circuit and a periodic stimulation circuit, and the negative electrodes of the intermittent stimulation circuit and the periodic stimulation circuit are connected with a negative electrode patch outside the nerve monitoring host through a lead; the mode selection switch is a double-control switch with an output end and two input ends, the output end of the double-control switch is connected with the stimulating probe through a lead, and the two input ends are respectively connected with the anode of the periodic stimulating circuit and the output end of the intermittent stimulating switch through leads; the intermittent stimulation switch is a normally-off switch with an output end and an input end, and the input end of the normally-off switch is connected with the positive electrode of the intermittent stimulation circuit; the mode selection switch is used for selecting the stimulation mode of the output current of the stimulation probe, and the stimulation modes include two modes: the electrode head is in the periodic stimulation mode when the output end of the mode selection switch is connected with the input end corresponding to the anode of the periodic stimulation circuit, the periodic stimulation circuit outputs periodic stimulation current to the stimulation probe, at the moment, the intermittent stimulation switch is in an initial invalid state, when the output end of the mode selection switch is connected with the input end corresponding to the intermittent stimulation switch, the electrode head is in the intermittent stimulation mode, the intermittent stimulation switch is started, and the intermittent stimulation circuit outputs the intermittent stimulation current to the stimulation probe.
Specifically, a protective tube is further arranged in the electrode column and arranged on a circuit connecting the stimulation probe and the mode selection switch.
Specifically, the recording probe and the reference probe are respectively connected with the nerve monitoring host through leads, and nerve action potentials detected by the recording probe and the reference probe are transmitted to the nerve monitoring host through the leads.
Specifically, the main materials of the stimulating probe, the recording probe and the reference probe are made of stainless steel materials, the surfaces of the stimulating probe, the recording probe and the reference probe are coated with metal materials (platinum and iridium oxide) to increase the conductivity, and a shell material between the probes is made of an alumina bioceramic material, so that the stimulating probe, the recording probe and the reference probe have the characteristics of biological inertia, good biocompatibility, high insulating property, corrosion resistance, high strength and high temperature resistance.
The utility model has the beneficial effects that:
according to the electrode device integrating stimulation and monitoring, when a surgeon needs to monitor nerves in an operation, the whole process of electrical stimulation and recording can be completed only by holding one electrode, real-time intraoperative nerve monitoring can be realized without inserting a recording electrode into muscles or on the surface of the muscles, so that the problem that the muscles corresponding to the nerves are not well found can be completely avoided, the problem that a plurality of recording electrodes need to be inserted when a plurality of nerves are required to be detected can also be solved, the electrode simultaneously has an electrical stimulation mode selection function, namely intermittent stimulation and periodic stimulation mode selection can be realized at the electrode end, so that the operation which cannot be performed or has larger unsafe factors can be safely performed, the quality of medical service is improved, and the medical expense is reduced.
Drawings
FIG. 1 is a schematic view of a stimulation and monitoring integrated electrode device provided by the present invention;
FIG. 2 is an enlarged schematic view of the electrode head;
FIG. 3 is a schematic diagram of the circuit connection of the embodiment;
wherein, 1 is an electrode column, 2 is an electrode head, 3 is a mode selection switch, 4 is an intermittent stimulation switch, 5 is a stimulation probe, 6 is a recording probe, and 7 is a reference probe.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1 and 2, the present embodiment provides an electrode device integrating stimulation and monitoring, which includes a nerve monitoring host, an electrode column 1, an electrode tip 2, and a control button; the external of the electrode column 1 is connected with a nerve monitoring host, a stimulating circuit and a signal acquisition circuit are arranged in the nerve monitoring host, the electrode tip 2 comprises a stimulating probe 5, a recording probe 6 and a reference probe 7, and one end of the electrode column 1 is provided with a conical end; the stimulating probe 5 is a spherical probe arranged at the tip of the conical end, the recording probe 6 and the reference probe 7 are annular probes which are sequentially arranged at the middle part and the bottom of the conical end in a surrounding manner, have the width of 2mm and protrude 0.5mm relative to the external conical surface of the conical end, and the stimulating probe 5, the recording probe 6 and the reference probe 7 are sequentially spaced by 10 mm; the positive electrode of the stimulation circuit sequentially penetrates through the electrode column 1 and the conical end 2 and then is connected with the stimulation probe 5 to output current to stimulate nerves; the signal acquisition cable sequentially penetrates through the electrode column 1 and the conical end 2 and then is respectively connected with the recording probe 6 and the reference probe 7 so as to be used for acquiring a near-end nerve action potential and a far-end nerve action potential;
as shown in fig. 3, the control button comprises a mode selection switch 3 and an intermittent stimulation switch 4, the stimulation circuit comprises an intermittent stimulation circuit and a periodic stimulation circuit, wherein the cathodes of the intermittent stimulation circuit and the periodic stimulation circuit are respectively connected with a cathode patch outside the nerve monitoring host through leads, and a signal ground is further arranged in the nerve monitoring host and is connected with an external ground electrode slice through a cable; the mode selection switch 3 is a double-control sliding switch with an output end and two input ends, and the intermittent stimulation switch is a normally-off switch with an output end and an input end; the slide block at the output end of the double-control switch is connected with a stimulating probe 5 through a lead, and the two input ends are respectively connected with the anode of the periodic stimulating circuit and the output end of the intermittent stimulating switch 4 through leads; the input end of the intermittent stimulation switch 4 is connected with the positive electrode of the intermittent stimulation circuit; a protective tube is also arranged in the electrode column 1 and is arranged on a circuit connecting the stimulation probe 5 and the mode selection switch 3; the nerve monitoring host is also provided with a control key connected with the stimulation circuit for controlling the on and off of the stimulation circuit and the regulation of the output power.
In the electrode device integrating stimulation and monitoring, an electrode is connected with a nerve monitoring host, when the electrode device is used, a negative electrode patch is attached to muscle, a grounding electrode plate is attached to skin at a certain distance away, medical personnel contact an electrode tip 2 with the muscle, a recording probe 6 and a reference probe 7 respectively collect near-end and far-end nerve electric signals and transmit the near-end and far-end nerve electric signals to the nerve monitoring host in real time while a stimulation probe 5 outputs current to stimulate nerve, and a doctor observes a detection structure through a display screen on the nerve monitoring host; meanwhile, the mode selection switch 3 is used for selecting the stimulation mode of the output current of the stimulation probe 5, and the stimulation mode has two types: intermittent stimulation and periodic stimulation, wherein the stimulation frequency, current and voltage of the intermittent stimulation and periodic stimulation are set by a nerve monitoring host, a sliding block on a mode switch is pushed to the left, the output end of a mode selection switch 3 is connected with the input end corresponding to the anode of a periodic stimulation circuit, an electrode tip 2 is in a periodic stimulation mode, the periodic stimulation circuit outputs periodic stimulation current to a stimulation probe 5, at the moment, an intermittent stimulation switch 4 is in an invalid switch state, the sliding block on the mode selection switch 3 is pushed to the right, the output end of the mode selection switch 3 is connected with the input end corresponding to the intermittent stimulation switch 4, the electrode tip 2 is in an intermittent stimulation mode, the intermittent stimulation switch 4 is pressed, and the intermittent stimulation circuit outputs intermittent stimulation current to the stimulation probe 5; the device can complete the whole process of electrical stimulation and recording only by holding one electrode, and can realize real-time intraoperative nerve monitoring without inserting the recording electrode into the muscle or on the surface, so that the problem that the muscle corresponding to the nerve is not well found can be completely avoided, and the problem that a plurality of recording electrodes need to be inserted when a plurality of nerves are required to be detected can be solved.
The above examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes and modifications of the present invention are within the scope of the present invention.
Claims (6)
1. A stimulation and monitoring integrated electrode device is characterized by comprising a nerve monitoring host, an electrode column and an electrode tip, wherein a stimulation circuit and a signal acquisition circuit are arranged in the nerve monitoring host, and the electrode tip comprises a stimulation probe, a recording probe and a reference probe; one end of the electrode column is provided with a conical end, the stimulating probe is arranged at the top of the conical end, the positive electrode output end of the stimulating circuit sequentially penetrates through the electrode column and the conical end and then is connected with the stimulating probe to be used for outputting current to stimulate nerves, and the negative electrode of the stimulating circuit is connected with a negative electrode patch outside the nerve monitoring host; the recording probe and the reference probe are sequentially arranged at the middle part and the bottom part of the conical end in a surrounding manner, and the signal acquisition circuit cable sequentially penetrates through the electrode column and the conical end and then is respectively connected with the recording probe and the reference probe to be used for acquiring a near-end nerve action potential and a far-end nerve action potential; a signal ground is also arranged in the nerve monitoring host and is connected with an external grounding electrode plate through a cable; the nerve monitoring host is also provided with a control key connected with the stimulation circuit for controlling the on and off of the stimulation circuit and the regulation of the output power.
2. The electrode device integrating stimulation and monitoring as claimed in claim 1, wherein the top of the stimulation probe is spherical, the recording probe and the reference probe are ring probes with a width of 2mm, and the stimulation probe, the recording probe and the reference probe are sequentially spaced by 10 mm.
3. A stimulation and monitoring integrated electrode device according to claim 2, wherein the recording probe and the reference probe are respectively protruded with respect to the outer conical surface of the conical end, and the height of the protrusion is 0.5 mm.
4. The electrode device integrating stimulation and monitoring as claimed in claim 1, wherein a control button is arranged in the middle of the electrode column, the control button comprises a mode selection switch and an intermittent stimulation switch, the stimulation circuit comprises an intermittent stimulation circuit and a periodic stimulation circuit, and the negative electrodes of the intermittent stimulation circuit and the periodic stimulation circuit are connected with a negative electrode patch outside the nerve monitoring host through a lead; the mode selection switch is a double-control switch with an output end and two input ends, the output end of the double-control switch is connected with the stimulating probe through a lead, and the two input ends are respectively connected with the anode of the periodic stimulating circuit and the output end of the intermittent stimulating switch through leads; the intermittent stimulation switch is a normally-off switch with an output end and an input end, and the input end of the normally-off switch is connected with the positive electrode of the intermittent stimulation circuit.
5. A stimulation and monitoring integrated electrode device according to claim 4, characterized in that a safety tube is further arranged in the electrode column, and the safety tube is arranged on a circuit connecting the stimulation probe and the mode selection switch.
6. The electrode assembly for stimulating and monitoring as claimed in claim 1, wherein the stimulating probe, the recording probe and the reference probe are made of stainless steel and coated with a metal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255904.9U CN215995294U (en) | 2020-12-29 | 2020-12-29 | Electrode device integrating stimulation and monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255904.9U CN215995294U (en) | 2020-12-29 | 2020-12-29 | Electrode device integrating stimulation and monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN215995294U true CN215995294U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023255904.9U Active CN215995294U (en) | 2020-12-29 | 2020-12-29 | Electrode device integrating stimulation and monitoring |
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| CN (1) | CN215995294U (en) |
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Effective date of registration: 20231021 Address after: No. 4, 6th Floor, Unit 1, Building 1, No. 18 Chenghong Road, Chenghua District, Chengdu City, Sichuan Province, 610000 Patentee after: Sichuan Kangyuan Medical Innovation Enterprise Management Co.,Ltd. Address before: 610000 rooms 603 and 606, 6 / F, block a, No. 18, Chenghong Road, Section 2, East Third Ring Road, Chenghua District, Chengdu, Sichuan Patentee before: Sichuan Kangyuan Medical Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: Building 2, 2nd Floor, Sichuan Xingshengyuan Pharmaceutical Co., Ltd., South 1st Ring, Industrial Park, Jiangyou City, Mianyang City, Sichuan Province, 621700 Patentee after: Sichuan Yiyuan Zhichuang Technology Co.,Ltd. Address before: No. 4, 6th Floor, Unit 1, Building 1, No. 18 Chenghong Road, Chenghua District, Chengdu City, Sichuan Province, 610000 Patentee before: Sichuan Kangyuan Medical Innovation Enterprise Management Co.,Ltd. |
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