CN106621028A - Electrode lead - Google Patents

Electrode lead Download PDF

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Publication number
CN106621028A
CN106621028A CN201611148027.0A CN201611148027A CN106621028A CN 106621028 A CN106621028 A CN 106621028A CN 201611148027 A CN201611148027 A CN 201611148027A CN 106621028 A CN106621028 A CN 106621028A
Authority
CN
China
Prior art keywords
electrode
main body
body tube
mating part
protuberance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611148027.0A
Other languages
Chinese (zh)
Inventor
潘祥生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Jingyu Medical Equipment Co Ltd
Original Assignee
Suzhou Jingyu Medical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Jingyu Medical Equipment Co Ltd filed Critical Suzhou Jingyu Medical Equipment Co Ltd
Priority to CN201611148027.0A priority Critical patent/CN106621028A/en
Publication of CN106621028A publication Critical patent/CN106621028A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/02Details
    • A61N1/04Electrodes
    • A61N1/05Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526Head electrodes
    • A61N1/0529Electrodes for brain stimulation
    • A61N1/0534Electrodes for deep brain stimulation

Abstract

The present invention provides an electrode lead. The lead comprises a main body tube and an electrode installed on the main body tube. The electrode comprises a matching portion matched with the main body tube, the electrode also comprises a projection portion connected with the matching portion, and the projection portion protrudes from the outer surface of the main body tube. The electrode of the electrode lead has a projection portion protruding from the main body tube and can improve the effective contact area of the electrode and a target stimulation position compared to a traditional flat and straight electrode to allow the electrode to fully contact the relatively rough organizational interface, increase the effectiveness of the stimulation, reduce the side effect caused by unnecessary big stimulation, improve the energy use efficiency of a pulse generator connected with the electrode wire and increase the service life of a battery of the pulse generator.

Description

Electrode cable
Technical field
The present invention relates to a kind of electrode cable, especially a kind of electrode having used in source intervention and implantation field are led Line, is such as used for the Neural stimulation electrodes wire that deep brain stimulates.
Background technology
Nerve electric stimulation has important effect in maladjusted nervous system treatment and neurotrosis rehabilitation.Implantable nerve Electric stimulation by the implant electrode at such as kinesitherapy nerve, sensorineural specific nerve in human body, by discharging high frequency Electro photoluminescence, so as to stimulate specific nerve, reaches the shape body for making human body functional recovery to normal operation.At present, it is implanted into Formula stimulation system mainly includes implanted brain electro photoluminescence(DBS), the stimulation of implanted cortex(CNS), implanted ridge Marrow electric stimulation(SCS), implanted vagus nerve electric stimulation(VNS)Deng.
Implanted brain electro photoluminescence(DBS)And other be related to it is more and more to the relevant operation of brain implant electrode wire For treat Parkinson, myodystony, essential tremor, epilepsy, obesity, depression, motion control obstacle and other make The weak disease of people.In these operations, electrode or other medicine equipments are positioned over the specified target position of brain, Jin Erda To preferably therapeutic effect.But during actual operation, it is desirable to so that target electrode or medicine equipment can be good at reaching There is certain uncertainty with the target location that reclines.
In prior art, when the electrode implantation patient's brain core cumularsharolith in implanted brain electric stimulation is put, even if doctor Raw surgical errors are zero, subside due to there is nuclear magnetic resonance deviation, drift electrode, brain, surgical head rest etc. it is various it is uncertain because Element so that electrode can not be contacted well well with target stimulation site, and traditional electrode is straight electrodes, should Electrode outer surface is substantially concordant with main body tube outer surface, as shown in figure 1, due to the goal stimulus position contacted with electrode cable L Put S and there are certain irregularities, stimulated using traditional straight electrodes, can there is certain probability and straight electrodes occur Not sufficient enough situation is contacted between target stimulation site S, electric signal is passed in straight electrodes overhead positions To non-targeted stimulatory function groups such as tissue fluid so that stimulation energy produces certain loss, at this time doctor is expected to control to reach Therapeutic effect, may increase stimulation energy, and this can increase the side effect of stimulation, and increase stimulation energy, can cause and electrode The energy ezpenditure of the impulse generator of wire connection is relatively excessive, so as to reduce the battery of impulse generator.
The content of the invention
It is an object of the invention to provide a kind of electrode cable, the electrode cable can lift electrode and target stimulation site Effective contact area, so as to subtract side effect while improving treatment validity, while extending the pulse that is connected with electrode cable The battery of generator.
For achieving the above object, the present invention provides a kind of electrode cable, including main body tube and installed in the main body Electrode on pipe, the electrode includes the mating part connected with the main body tube, and the electrode also includes connecting with the mating part The protuberance for connecing, the protuberance protrudes from the outer surface of the main body tube.
Used as the further improvement of an embodiment of the present invention, the mating part includes keeping at a certain distance away the first of setting Mating part and the second mating part, the protuberance is arranged between first mating part and second mating part.
Used as the further improvement of an embodiment of the present invention, the mating part is identical with the protuberance thickness.
Used as the further improvement of an embodiment of the present invention, medium position of the protuberance from the mating part is outside Extend.
Used as the further improvement of an embodiment of the present invention, the protuberance and the mating part are integrally formed.
Used as the further improvement of an embodiment of the present invention, the height of the protuberance is 0.2 to 0.5mm.
Used as the further improvement of an embodiment of the present invention, the part that the protuberance is connected with the mating part has The circular arc external surface of indent.
As the further improvement of an embodiment of the present invention, smooth glue is provided between the mating part and the main body tube Water.
Used as the further improvement of an embodiment of the present invention, in a tubular form, the external diameter of the electrode is more than institute to the electrode State the external diameter of main body tube.
As the further improvement of an embodiment of the present invention, it is provided with the tube wall of the main body tube along the main body tube The cylindrical chamber that lengthwise bearing of trend extends.
Compared with prior art, the beneficial effects of the present invention is:The electrode of the electrode cable of the present invention also includes and matches somebody with somebody The protuberance of socket part connection, protuberance protrudes from the outer surface of main body tube so that electrode has the protrusion knot for protruding from main body tube Structure, so as to relative to traditional straight electrodes, the effective contact area of electrode and target stimulation site can be lifted so that electrode Relatively uneven organizational interface can be more fully contacted, so as to increased the validity of stimulation, unnecessary big stimulation is reduced The side effect for bringing, and the capacity usage ratio of the impulse generator being connected with electrode cable can be lifted, extend pulse generation The battery of device.
Description of the drawings
Fig. 1 is the schematic diagram that the electrode cable of prior art and target, contact are contacted;
Fig. 2 is the partial sectional view of the electrode cable that first embodiment of the invention is provided;
Fig. 3 is the amplification profile along A-A directions of the electrode cable shown in Fig. 2;
Fig. 4 is electrode cable that another embodiment of the invention the is provided profile similar with Fig. 3;
Fig. 5 is the cross-sectional view of the main body tube of the electrode cable that a further embodiment of the present invention is provided;
Fig. 6 is the schematic diagram that the electrode cable of embodiment of the present invention and target, contact are contacted.
Specific embodiment
Describe the present invention below with reference to specific embodiment shown in the drawings.But these embodiments are simultaneously The present invention is not limited, structure that one of ordinary skill in the art is made according to these embodiments, method or functionally Conversion is all contained in protection scope of the present invention.
Fig. 2 is referred to, the electrode cable 100 that embodiment of the present invention is provided includes main body tube 20, is arranged on main body tube 20 The connecting wire 80 of the end 30 of one end, the electrode 50 on main body tube 20 and electrode 50 connection.
When electrode cable 100 is used, electrode cable 100 is positioned in sick body tissue, connecting wire 80 and pulse generation Device(It is not shown)Connect and receive the signal of impulse generator and electronic stimulation is carried out to sick body tissue.
In present embodiment, main body tube 20 is cylindrical, and the external diameter of main body tube 20 is in 1 ~ 3mm, preferably 1.17mm.This reality In applying mode, main body tube 20 is made up of the preferable macromolecular material of biocompatibility, is preferably made up of polyurethane material.
In present embodiment, end 30 be ball bumps, diameter is between 1 ~ 2mm, it is preferred that end 30 it is a diameter of 0.97mm.End 30 is sticked on main body tube 20 by binding agent, such as silica gel.In present embodiment, the material of end 30 can be with For the preferable medical material of biocompatibility, preferably silica gel or the relatively low epoxy resin glue of hardness, thus, end 30 Inherently can be connected directly between on main body tube 20.
In present embodiment, electrode 50 includes the mating part 52 connected with main body tube 20, and electrode 50 is pacified by mating part 52 It is mounted on main body tube 20.
In present embodiment, in a tubular form, electrode 50 is set on the outer surface of main body tube 20 electrode 50.The length of electrode 50 exists 1 ~ 3mm, preferably 1.5mm.In present embodiment, the external diameter of mating part 52 is 0.8 ~ 1.5mm, preferably 1.0mm.
Preferably, smooth glue 90 is provided between mating part 52 and main body tube 20.Smooth glue 90 be biocompatibility compared with Good medical glue, preferably epoxy resin glue, between it is primarily served the purpose of between enclosed electrode 50 and main body tube 20 Gap, while can be to smoothing at the step of electrode 50, in order to avoid scratching and hindering occur in use in electrode cable 100 Hinder motion etc..
Electrode 50 also includes the protuberance 53 being connected with mating part 52, and protuberance 53 protrudes from the outer surface of main body tube 20.
Because electrode has the protuberance for protruding from main body tube so that electrode cable is relative to traditional straight electrodes, energy Enough lift the effective contact area of electrode and target stimulation site so that electrode can more be fully contacted relatively uneven tissue circle Face, so as to increased the validity of stimulation, reduces the side effect that unnecessary big stimulation may bring, and can be lifted with The capacity usage ratio of the connected impulse generator of electrode cable, increases the battery of impulse generator.
In present embodiment, in a tubular form, the external diameter of electrode 50 is more than the external diameter of main body tube 20 to electrode 50, especially protuberance , more than the external diameter of main body tube 20, electrode 50 is in boss ring-type, compound with regular structure for 53 external diameter.
In present embodiment, the external diameter of protuberance 53 is 1 ~ 3mm, preferably 1.27mm.The height of protuberance 53 is 0.2 To 1.5mm, preferably 0.2 to 0.5mm.
Incorporated by reference to Fig. 2 and Fig. 3, it is preferred that the part that protuberance 53 is connected with mating part 52 has the circular arc appearance of indent Face 56.The excessive R angles of the circular arc are 0.1 ~ 0.5mm, preferably 0.3mm.
Preferably, protuberance 53 and mating part 52 are integrally formed, so as to structure is reliable and easy to process.
In present embodiment, electrode 50 is the preferable metal material of biocompatibility, such as 316L stainless steels, titanium alloy, platinum Iridium alloy etc. is made, preferably platinumiridio, and its composition accounting is 9:1.
Fig. 3 is referred to, in present embodiment, mating part 52 includes keeping at a certain distance away first mating part 58 and the of setting Two mating parts 59, protuberance 53 is arranged between the first mating part 58 and the second mating part 59.Preferably, in present embodiment, Mating part 52 is identical with the thickness of protuberance 53.I.e. whole electrode 50 has identical wall thickness.
Fig. 4 is referred to, in another embodiment of the present invention, the overall lengthwise in mating part 52 of electrode 50 extends, protrusion Portion 53 stretches out from the medium position of mating part 52.It should be noted that medium position of the protuberance from mating part 52 is outside Extension is not required for the center that protuberance 53 is fully located at mating part 52, can be equipped with appropriate skew relative to centre bit
Turning back to Fig. 2, in present embodiment, connecting wire 80 is connected and through opening on the tube wall 22 of main body tube 20 with electrode 50 Hole(It is not shown)So that connecting wire 80 is partially housed in the center cavity 24 of main body tube 20, rationally using main body tube 20 Space, topology layout is reasonable.
Preferably, connecting wire 80 is by making to putting preferable metal material, such as corronil line, copper cash, platinumiridio Line etc., preferably platinumiridio line, its composition accounting is 9:1.Connecting wire 80 can be with laser with the connected mode of electrode 50 Weldering, soldering etc., preferably Laser Welding.
Incorporated by reference to Fig. 2 and Fig. 5, in another embodiment, have along the vertical of main body tube 20 in the tube wall 22 of main body tube 20 The cylindrical chamber 26 that long bearing of trend extends.Connecting wire can be partially housed in cylindrical chamber 26.Under normal circumstances, connection is led The quantity of line 80 is identical with the quantity of electrode 50, when the quantity of electrode 50 is more than or equal to two, needs to arrange more than or equal to two The connecting wire 80 of root, usual main body tube 20 only has a center cavity 24, when all of connecting wire 80 is contained in master During the center cavity 24 of body cavity, insulating properties cannot ensure.Therefore, in present embodiment, connecting wire 80 is partially housed in main body After the cylindrical chamber 26 arranged on the tube wall 22 of pipe 20, it is ensured that each connecting line is not in contact with each other so as to ensure insulation effect, enters And ensure that electrode cable 100 is reliably used.
Fig. 6 is referred to, the electrode 50 of the electrode cable 100 of the present invention has the protuberance 53 for protruding from main body tube 20, makes Electrode cable 100 of the invention is obtained relative to traditional straight electrodes, electrode 50 can be lifted effective with target stimulation site S Contact area so that electrode 50 can more be fully contacted relatively uneven organizational interface, so as to increased the validity of stimulation, drop The side effect that low unnecessary big stimulation may bring, and the impulse generator being connected with electrode cable 100 can be lifted Capacity usage ratio, extend impulse generator battery.
Directly application is deep brain Neural stimulation electrodes wire to the present invention, but one skilled in the art will appreciate that the present invention Electrode cable not limited to this, other it is active intervention and implantation field used in electrode cables, such as use in intervention field In the electrophysiologicalcatheter catheter for the treatment of arrhythmia cordis and refractory hypertension etc.;In the pacemaker and nerve stimulator in implantation field Neural stimulation electrodes wire stimulated Deng portion's depth etc., the distinctive boss electrode structure is equally applicable.
In present embodiment, the quantity of electrode is multiple, it will be understood by those skilled in the art that the quantity of electrode can be with root Arbitrarily arrange according to needs.In present embodiment, the electrode on same electrode cable preferably adopts identical structure, art technology Personnel be appreciated that the electrode on same electrode cable using different structures also can, it is all using identical with present embodiment or Similar scheme is encompassed by protection scope of the present invention.
It should be understood that, although this specification is been described by according to embodiment, but not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art will should say Bright book as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, forming those skilled in the art can With the other embodiment for understanding.
The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention Or change should be included within the scope of the present invention.

Claims (10)

1. a kind of electrode cable, including main body tube and the electrode on the main body tube, the electrode includes and the master The mating part that body pipe is connected, it is characterised in that:The electrode also includes the protuberance being connected with the mating part, the protuberance Protrude from the outer surface of the main body tube.
2. electrode cable according to claim 1, it is characterised in that:The mating part includes the setting that keeps at a certain distance away First mating part and the second mating part, the protuberance is arranged between first mating part and second mating part.
3. electrode cable according to claim 2, it is characterised in that:The mating part is identical with the protuberance thickness.
4. electrode cable according to claim 1, it is characterised in that:Medium position of the protuberance from the mating part Stretch out.
5. electrode cable according to claim 1, it is characterised in that:The protuberance and the mating part are integrally formed.
6. electrode cable according to claim 1, it is characterised in that:The height of the protuberance is 0.2 to 0.5mm.
7. electrode cable according to claim 1, it is characterised in that:The part that the protuberance is connected with the mating part Circular arc external surface with indent.
8. electrode cable according to claim 1, it is characterised in that:It is provided with flat between the mating part and the main body tube Sliding glue.
9. electrode cable according to claim 1, it is characterised in that:In a tubular form, the external diameter of the electrode is big for the electrode In the external diameter of the main body tube.
10. electrode cable according to claim 1, it is characterised in that:It is provided with the tube wall of the main body tube along the master The cylindrical chamber that the lengthwise bearing of trend of body pipe extends.
CN201611148027.0A 2016-12-13 2016-12-13 Electrode lead Pending CN106621028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611148027.0A CN106621028A (en) 2016-12-13 2016-12-13 Electrode lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611148027.0A CN106621028A (en) 2016-12-13 2016-12-13 Electrode lead

Publications (1)

Publication Number Publication Date
CN106621028A true CN106621028A (en) 2017-05-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611148027.0A Pending CN106621028A (en) 2016-12-13 2016-12-13 Electrode lead

Country Status (1)

Country Link
CN (1) CN106621028A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104606781A (en) * 2015-01-19 2015-05-13 清华大学 MRI-compatible split implantable medical device
CN206700514U (en) * 2016-12-13 2017-12-05 苏州景昱医疗器械有限公司 Electrode cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104606781A (en) * 2015-01-19 2015-05-13 清华大学 MRI-compatible split implantable medical device
CN206700514U (en) * 2016-12-13 2017-12-05 苏州景昱医疗器械有限公司 Electrode cable

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Address after: Building C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province

Applicant after: Jingyu Medical Technology (Suzhou) Co.,Ltd.

Address before: 215123 C16, biological nano Park, 218 Xinghu street, Suzhou Industrial Park, Jiangsu Province

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