CN209136609U - A kind of nerve electromyography signal receiving electrode device - Google Patents
A kind of nerve electromyography signal receiving electrode device Download PDFInfo
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- CN209136609U CN209136609U CN201820150572.1U CN201820150572U CN209136609U CN 209136609 U CN209136609 U CN 209136609U CN 201820150572 U CN201820150572 U CN 201820150572U CN 209136609 U CN209136609 U CN 209136609U
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- needle
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- electromyography signal
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Abstract
The utility model relates to a kind of neural electromyography signal receiving electrode devices; it is made of the identical receiving electrode of two structures; the adjacent segment of the needle electrode of one arc of connector end extraction of each receiving electrode, needle electrode and connector seats against a needle thorn protection sheath being bent outwardly；Needle thorn protection sheath outer end has cylindrical grip shank.Utility model device is conducive to make Nerve Testing equipment that the bilateral muscular movement received be relied on to generate potential difference, obtains Electrophysiology parameter, and placement method is convenient, is pierced into depth and stablizes, safe and reliable while not easily to fall off in art；The susceptibility for receiving signal can be improved, acquisition amplitude is significant, easily fabricated, the surgical times such as thyroid operation are shortened, patient suffering is alleviated, reduce medical expense and the labor intensity of doctor, doctor and patient is benefited, may replace classical trachea cannula type Neural monitoring intubation completely.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly to one kind to be applied to thyroidectomy, lymphonodi cervicales
Fiir den Anbieter and the neural electromyography signal of protection receive electricity in the surgical operations such as removing, partial laryngectomy and neck biopsy
Pole device.
Background technique
Electromyography signal (EMG) is moving cell action potential (MUAP) over time and space folded in numerous muscle fibres
Add, wherein surface electromyogram signal (SEMG) be on superficial muscular EMG and nerve cord electrical activity skin surface comprehensive effect,
It can reflect nervimuscular activity to a certain extent；Relative to pin electrode EMG, SEMG has Noninvasive, nothing in measurement
Wound, simple operation and other advantages.
Those skilled in the art analyze the defect of existing well-known technique, and currently used electromyography signal receives electricity
Pole is the necessary device of neural electrophysiology research, nervous function clinical monitoring and protection, it is inserted directly into tissue, right
The monitoring and assessment of effect muscle function play a decisive role.
But for receiving electrode, there are diversified forms on the market, wherein it is more common with contact pin aculeus type electrode, but
Indwelling with security and stability be cannot achieve in the operation on neck such as thyroid operation mostly in throat, and to the mind for dominating vocal cord movement
It is effectively monitored through function, there are many existing defect among these, for example, that there are needle bodies is too long, is easy to pierce through cartilagines larynigs, stay
The problems such as setting difficulty, it is unstable to also add operating time, indwelling, concurrently there are in art it is easy to fall off, obtain neural electromyography signal
The defects of numerical value is lower, monitoring signals are unstable, and false positive rate is high.
In conclusion cause the construction for having its source in receiving electrode of these problems very not perfect, needle thorn on the market
The construction of formula electrode is entirely that simulation application spreads out again on the basis of the traditional electrode in other fields and extends to each technical field, until
Electrode used by the thyroid operation of today, which is still fallen within, continues to use previous construction, due to applying these fields of electrode in the past
Electrode it is similar, including each coefficient such as shape, positional relationship, length, angle is without larger difference, only it is enough play it is basic
Function, cause the professional application level for being unable to ensure corresponding industry.
In conclusion the utility model is exactly on the basis of existing well-known technique, in conjunction with the verifying of practical application, to same
Product structure in one technical field proposes that the technical solution further researched and developed with designed, the technical solution that these are proposed are complete
It can solve problem of the existing technology, while being also beneficial to the solution and raising of numerous technical problems of same technical field
The expansibility of technical solution.
Utility model content
For disadvantages described above, the utility model provides a kind of neural electromyography signal receiving electrode device, it is made to have safety
Depth of needling, be not only easy to clamp by surgical instrument in art, while indwelling is simple, stablizes, and acquisition Neuromuscular telecommunications
Number value is accurate, significant, while solving many deficiencies of the prior art.
To achieve the above object, the utility model uses following technical scheme:
A kind of nerve electromyography signal receiving electrode device, is made of the identical receiving electrode of two structures, each reception electricity
Pole connects with Neural monitoring equipment, and two receiving electrodes constitute one time of the Neural monitoring equipment for receiving and monitoring
Road, the receiving electrode include:
The connector to be connected by conducting wire with Neural monitoring equipment connecting pin, the connector end have for hanging down
The fixation end face of straight setting needle electrode；
The one section of needle electrode vertically drawn by the end face of the connector end, the needle electrode are flat with an electrode
Row draws section and draws the needle thorn tilting section that section outer end is formed away from the connector direction in the electrode runs parallel；
The needle thorn protection sheath vertically drawn by the end face of the connector end and abutted each other with the needle electrode,
The needle thorn is protected sheath to draw section with a protection sheath and draw the formation of section outer end in the protection sheath and is tilted with needle thorn
The contrary cylindrical grip shank of section.
Further include following any one for the additional structure of above-mentioned technical proposal:
The needle electrode uses full arcuate structure, and the end of the outer end of the full arcuate structure and the connector end
There is certain vertical range between face；
The end face of the connector end is set as arc surface structure, and the circular arc of the arc surface is major arc；
There is the contact-segment mutually held out against between the needle electrode and needle thorn protection sheath, and the contact-segment is excellent
It is selected as horizontal segment structure.
For above-mentioned technical proposal and the technical solution formed with any one additional structure, further includes:
The needle thorn protection sheath inner end is fixed on the end face the center point of the connector end, and needle thorn protection sheath
Extend outwardly the horizontal sheath of the equal length of a segment length and the needle electrode from the center point.
Further, the trend after the needle thorn protects sheath to be fixed on the connector is, first to perpendicular to described
The end face direction of connector end extends a initial segment, is then formed away from the rolled state in the connector direction.
Further, the trend after the needle electrode is drawn by the connector is to first pass around one to be parallel to institute
The electrode for stating the initial segment draws section, is then formed away from the tilting state in connector direction.
Further, the needle pierces the initial segment of protection sheath and the electrode extraction section of the needle electrode is in contact and phase
Mutually parallel, the needle thorn protection sheath draws the sheath except segment length backwards to described needle-shaped beyond the electrode of the needle electrode
Electrode is crimped to the direction far from connector.
For above-mentioned technical proposal, also preferably with flowering structure:
The connector position is plane in be set as the on one side outside of belly and outside of belly on the needle electrode bending direction
Structure；
The basal part that the needle thorn protection sheath is in contact with the connector is in the end face center of circle of the connector end
Position and the basal part are close to the needle electrode.
Nerve electromyography signal receiving electrode device described in the utility model has the beneficial effect that
(1) the device is conducive to the potential difference for making Nerve Testing equipment that the bilateral muscular movement received be relied on to generate, and obtains
Electrophysiology parameter keeps placement method convenient on the basis of keeping common single needle receiving electrode repertoire, and it is steady to be pierced into depth
It is fixed, it is safe and reliable while not easily to fall off in art；
(2) the susceptibility for receiving signal can be improved, acquisition amplitude is significant, and it is easily fabricated, shorten the surgeries such as thyroid operation
Operating time alleviates patient suffering, reduces medical expense and the labor intensity of doctor, benefits doctor and patient；
(3) distant effect muscle in receiving end is closer, obtains stronger electromyography signal, may replace classical trachea cannula type completely
Neural monitoring intubation；
(4) it is advantageously implemented real-time and whole Neural monitoring in the course of surgery, accurately and timely grasps the shape of vocal cords nerve
Condition can be not only used for " the continuous monitoring pattern " of nerve, it may also be used for " interruption monitoring pattern ".
Detailed description of the invention
The utility model is described in further detail below according to attached drawing.
Fig. 1 is the structural schematic diagram of nerve electromyography signal receiving electrode device described in the utility model embodiment；
Figure 1A is the 1A enlarged schematic partial view of Fig. 1；
Fig. 2 is signal of the nerve electromyography signal receiving electrode device described in the utility model embodiment with protection sheath side
Figure；
Fig. 3 is the showing with needle electrode side of nerve electromyography signal receiving electrode device described in the utility model embodiment
It is intended to；
Fig. 4 is the schematic cross-section of nerve electromyography signal receiving electrode device described in the utility model embodiment.
In figure:
1, needle electrode；2, needle thorn protection sheath；3, connector；4, conducting wire；5, cylindrical grip shank；6, connection terminal；
11, electrode runs parallel draws section；12, protection sheath draws section.
Specific embodiment
Embodiment one
Picture 1-4, shown in Figure 1A, neural electromyography signal receiving electrode device, institute described in the utility model embodiment one
The technological means of implementation purpose to be achieved is, solves shortening the surgical times such as thyroid operation and mitigating patient's pain
The smoothness of safe depth of needling and indwelling is also ensured on the basis of hardship, convenient for being clamped in art by surgical instrument,
Acquisition is accurate, significantly therefore neural electromyography signal numerical value it is mutual including two to implement corresponding electrode assembly technical solution
The receiving electrode of forming circuit, each receiving electrode have the connector 3 to connect with conducting wire 4.
The receiving electrode structure of arrangement above is further analyzed:
The receiving electrode implemented sends out one section of needle electrode for being preferably shaped to arcuate structure from 3 end of connector
1,1 outer end of needle electrode implemented is needle prick shape and tilts certain radian to the wherein side far from 3 direction of connector,
Simultaneously as needle electrode 1 is whole arc-shaped, and between the end face of 3 end of the outer end for the needle electrode 1 implemented and connector
It with certain vertical range, is penetrated deeply into lamina of thyroid cartilage in order to more stable, it is ensured that fixed in art and not
Easy to fall off, after insertion, distant effect muscle is closer, it is easier to receive the electromyography signal of larynx internal effect muscle generation；
Further, the receiving electrode implemented is fixedly connected with one section from 3 end of connector outward and is preferably shaped to sheet
The needle thorn protection sheath 2 of structure, needle of needle thorn protection 2 outer end of sheath implemented to being crimped far from 3 direction of connector and with being implemented
Shape electrode 1 tilts contrary, pierces protection sheath 2 at back-to-back position simultaneously to remote with needle to form needle electrode 1
Direction from connector 3 tilts；
Face is set as accordingly, due to the end face for 3 terminal part of connector that needle electrode 1 and needle thorn protection sheath 2 connect
Product is equivalent to 2/3 circular arc surface structure, thus, the basal part that the needle thorn protection sheath 2 implemented is in contact with connector 3 connects
It is bordering on the end face center location of implemented 3 terminal part of connector, and the basal part is close to the needle electrode 1 implemented.
Protection 2 structure of sheath is pierced with needle for the needle electrode 1 of arrangement above further to analyze:
The needle implemented pierces protection sheath 2 and draws section 12 and then again shape by the fixed protection sheath that first passes around later of connector 3
At being implemented above to far from connector 3 direction rolled state, band after the needle electrode 1 implemented is drawn by connector 3
There is an electrode runs parallel to draw section 11, then re-form above implemented 3 direction of the separate connector tilting state, is specifically being arranged
When, the electrode runs parallel extraction section 11 of the protection sheath extraction section 12 and needle electrode 1 that make the needle thorn protection sheath 2 of the above implementation is mutually flat
Row and help to control the depth that needle electrode 1 is inserted into tissue by the way that this structure is arranged with 3 keeping parallelism of connector, though
Right needle electrode 1 and needle thorn protection sheath 2 all have certain radian, but by the extraction section of one section of relative level of each self-sustaining,
It can effectively avoid needle electrode 1 and pierce through lamina of thyroid cartilage；
Correspondingly, the needle thorn protection sheath 2 implemented draws the portion other than 11 length of section beyond the electrode runs parallel of needle electrode 1
Point, outside arc curling is formed backwards to needle electrode 1.
Further, needle thorn protection 2 end of sheath implemented forms cylindrical grip shank 5, convenient for using hand in patient's art
Surgical instruments or the unarmed indwelling receiving electrodes such as art pincers.
3 structure of connector of arrangement above is further analyzed:
3 section of connector implemented is set as area and is equivalent to 2/3 circular arc surface structure, and the circular arc of arc surface
For major arc, to form 3 structure of connector that the outside of belly is plane, the back side is cylindrical body, then it is in 1 basal part of needle electrode and connects
3 the center point of connector, is bonded needling electrode 1 and indwelling tissue, such as lamina of thyroid cartilage more, and electrode is inserted into live part and increases
Add, improves the reception of effect muscle electromyography signal, indwelling is more stable, not easily to fall off in art.
Neural electromyography signal receiving electrode device described in the utility model embodiment one, by making needle electrode 1 and needle
Thorn protection sheath 2 is in mating connection in connector 3, and connector 3 connects the connection terminal 6 of Neural monitoring equipment by conducting wire 4 again,
In use, needle electrode 1 connect one signal stimulus of composition by connection terminal 6 with Neural monitoring equipment (such as nerve monitor)
End ring road.
Neural electromyography signal receiving electrode device described in the utility model embodiment one, in use, for example, in thyroid gland
It is neural " real-time monitoring " to vocal cords in achievable art in resection, needle electrode 1 is passed through into connection terminal 6 and Neural monitoring in art
Equipment connection, forms signal stimulus end ring road, combines with the existing signal receiving end loop of nerve, make Neural monitoring
The releasable detection system setting electric current of equipment and electric current can be adjusted as needed may also act to vocal cords nerve, excitation
Nerve, which forms nerve impulse and conducts to domination muscle, generates electromyography signal, and electromyography signal returns to host, shape by needle electrode 1
At electromyogram (EMG) waveform and prompt tone, and then judge nervous function integrality.
Meanwhile it being advantageously implemented real-time and whole Neural monitoring in the course of surgery, accurate and timely grasp vocal cords mind
The situation of warp both can be applied to " the continuous monitoring pattern " of nerve, apply also for " interruption monitoring pattern " ", "
" continuous monitoring pattern " takes into account real-time monitoring and is completed at the same time myoelectricity function monitoring advantage, and " interruption monitoring mould in surgical procedures
Formula " detects time-histories, the flexible controllable advantage in site, convenient for identification positioning nerve.
Embodiment two
Picture 1-4, shown in Figure 1A, neural electromyography signal receiving electrode device described in the utility model embodiment two,
On the basis of embodiment one, the structure that protection sheath 2 can be pierced to needle is improved, and is improved to produce because needle pierces protection sheath 2 to be formed
Raw several deformations, for example, the initial segment is using horizontal segment and the water of the horizontal segment and needle electrode 1 using plates structure
Flat section is mutually adjacent to, and so that needle thorn protection sheath 2 is tilted different angles outward further according to different operation demands, so that being formed pierces needle
Protection sheath 2 supports on one side is adjacent to implemented needle electrode 1, another structure for facing out curling.
Other the corresponding implementation means of the utility model embodiment two can refer to embodiment one or on the basis of embodiment one
On improve, details are not described herein again.
In the description of this specification, if there is the descriptions such as term " embodiment one ", " the present embodiment ", " specific implementation " meaning
Refer to that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model or utility model
At least one embodiment or example in.In the present specification, schematic expression of the above terms are not necessarily referring to identical
Embodiment or example；Moreover, described particular features, structures, materials, or characteristics can be in any one or more implementations
It is combined in a proper manner in example or example.
In the description of this specification, term " connection ", " installation ", " fixation ", " setting ", " having " etc. do broad sense reason
Solution, for example, " connection " may be a fixed connection or pass through intermediate module on the basis of not influencing component relationship and technical effect
Indirectly carry out, be also possible to integrally connected or part connect, such as herewith example situation for those of ordinary skills,
Concrete meaning of the above-mentioned term in the utility model or utility model can be understood as the case may be.
The above-mentioned description to embodiment is for the ease of those skilled in the art it will be appreciated that and using this
Case technology, person skilled in the art obviously can make various modifications to these examples easily, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, this case is not limited to above embodiments, for
The modification of several situations below, all should be in the protection scope of this case: 1. based on technical solutions of the utility model and to tie
The new technical solution that existing common knowledge is implemented is closed, technical effect caused by the new technical solution is not departing from this
Except utility model technical effect, for example, needle electrode, which is pierced protection sheath with needle, combines connecing applied to other different models
Receive electrode；2. using well-known technique to the equivalence replacement of the Partial Feature of technical solutions of the utility model, generated technology effect
Fruit is identical as the utility model technical effect, for example, needle electrode and needle thorn to be protected to the size of sheath according to different use demands
Cooperation improves；3. carrying out to expand based on technical solutions of the utility model, in the essence of the technical solution after expansion
Except holding without departing from technical solutions of the utility model；4. equivalent change made based on the specification and figures of the utility model
It changes, is directly or indirectly used in other related technical areas.
Claims (10)
1. a kind of nerve electromyography signal receiving electrode device, is made of, each receiving electrode the identical receiving electrode of two structures
Connect with Neural monitoring equipment, which is characterized in that two receiving electrodes constitute the Neural monitoring equipment for receiving and monitoring
A circuit, each receiving electrode includes:
The connector to be connected by conducting wire with Neural monitoring equipment connecting pin, the connector end have for vertically setting
Set the fixation end face of needle electrode；
The one section of needle electrode vertically drawn by the end face of the connector end, the needle electrode draw with an electrode runs parallel
Out section and in the electrode runs parallel draw section outer end be formed away from the connector direction needle thorn tilt section；
The needle thorn protection sheath vertically drawn by the end face of the connector end and abutted each other with the needle electrode, it is described
Needle thorn protects sheath to draw section with a protection sheath and draw the formation of section outer end in the protection sheath and tilts Duan Fang with needle thorn
To opposite cylindrical grip shank.
2. nerve electromyography signal receiving electrode device according to claim 1, it is characterised in that: the needle electrode uses
Full arcuate structure, and have between the outer end of the full arcuate structure and the end face of the connector end it is certain it is vertical away from
From.
3. nerve electromyography signal receiving electrode device according to claim 1, it is characterised in that: the connector end
End face is set as arc surface structure, and the circular arc of the arc surface is major arc.
4. nerve electromyography signal receiving electrode device according to claim 1, it is characterised in that: the needle electrode and institute
Stating between needle thorn protection sheath has the contact-segment mutually held out against, and the contact-segment is preferably horizontal segment.
5. nerve electromyography signal receiving electrode device according to claim 1-4, it is characterised in that: the needle thorn
Protection sheath inner end is fixed on the end face the center point of the connector end, and needle thorn protection sheath is outside from the center point
Extend the horizontal sheath of the equal length of a segment length and the needle electrode.
6. nerve electromyography signal receiving electrode device according to claim 5, it is characterised in that: the needle thorn protection sheath is solid
Being scheduled on the trend after the connector is, extends a starting to the end face direction perpendicular to the connector end first
Section, is then formed away from the rolled state in the connector direction.
7. nerve electromyography signal receiving electrode device according to claim 6, it is characterised in that: the needle electrode is by institute
Stating the trend after connector is drawn is to first pass around the electrode that one is parallel to the initial segment to draw section, is then formed away from
The tilting state in connector direction.
8. nerve electromyography signal receiving electrode device according to claim 7, it is characterised in that: the needle thorn protection sheath
The initial segment is in contact and is parallel to each other with the electrode of needle electrode extraction section, and the needle thorn protection sheath is beyond described needle-shaped
The electrode of electrode is drawn the sheath except segment length and is crimped backwards to the needle electrode to the direction far from connector.
9. nerve electromyography signal receiving electrode device according to claim 3, it is characterised in that: the connector position is in institute
It states and is set as the outside of belly and the outside of belly on one side on needle electrode bending direction as planar structure.
10. nerve electromyography signal receiving electrode device according to claim 1-4, it is characterised in that: the needle
The basal part that thorn protection sheath is in contact with the connector is in the end face center location of the connector end and the base
Bottom is close to the needle electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150572.1U CN209136609U (en) | 2018-01-29 | 2018-01-29 | A kind of nerve electromyography signal receiving electrode device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150572.1U CN209136609U (en) | 2018-01-29 | 2018-01-29 | A kind of nerve electromyography signal receiving electrode device |
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| CN209136609U true CN209136609U (en) | 2019-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113673A (en) * | 2018-01-29 | 2018-06-05 | 唐华松 | A kind of nerve electromyography signal receiving electrode device |
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2018
- 2018-01-29 CN CN201820150572.1U patent/CN209136609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113673A (en) * | 2018-01-29 | 2018-06-05 | 唐华松 | A kind of nerve electromyography signal receiving electrode device |
| CN108113673B (en) * | 2018-01-29 | 2024-02-20 | 上海倍可达医疗科技有限公司 | Nerve electromyographic signal receiving electrode device |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200511 Address after: 201616 12 buildings, 3 floors, No. 1, 618 Lane, Zhongde Road, Xiaokunshan Town, Songjiang District, Shanghai Patentee after: Shanghai Bekada Medical Technology Co., Ltd. Address before: 421000 Hunan city of Hengyang province Zhuhui District No. 24 Yicun Heng 3 unit 401 Patentee before: Tang Huasong |
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| TR01 | Transfer of patent right |