CN109199377A - Intracranical deep electrode and medical instrument - Google Patents
Intracranical deep electrode and medical instrument Download PDFInfo
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- CN109199377A CN109199377A CN201710534969.0A CN201710534969A CN109199377A CN 109199377 A CN109199377 A CN 109199377A CN 201710534969 A CN201710534969 A CN 201710534969A CN 109199377 A CN109199377 A CN 109199377A
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 48
- 229910052697 platinum Inorganic materials 0.000 claims description 24
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- 229910052741 iridium Inorganic materials 0.000 claims description 15
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 15
- 239000013307 optical fiber Substances 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 7
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention discloses a kind of Intracranical deep electrode and medical instruments, Intracranical deep electrode includes in the supporter of insulation, the multiple electrodes contact of front end for being distributed in the Intracranical deep electrode, the end of conduction and electromagnetic induction element, the end connects the supporter, the end is located at the front end of the supporter, the electromagnetic induction element is arranged in the end, and the electromagnetic induction element is used to obtain the location information of the end.In the Intracranical deep electrode of embodiment of the present invention, due to being provided with the electromagnetic induction element of the location information for indicating end in end, the location information of end can feed back to external equipment by electromagnetic induction element in this way, so that the path of Intracranical deep electrode is traceable, to which the accuracy for determining each brain area position by Intracranical deep electrode can be improved, to improve the accuracy of operation removal of lesions (such as epileptic focus).
Description
Technical field
The present invention relates to medical apparatus and instruments technical fields, more particularly, to a kind of Intracranical deep electrode and medical instrument.
Background technique
In the related art, Intracranical deep electrode not only can detecte the electricity physiological signal of Cerebral cortex, while can go deep into
To brain deep, the electricity physiological signal in variant region inside brain is obtained, to be widely used in outside epileptics and nerve
In the diagnosis of section.At brain area position each with determination by Intracranical deep electrode observation contact, after needing to combine merging electrode
CT image carries out software with MR image before merging electrode and realizes indirectly every conjunction.However, being determined above by Intracranical deep electrode
The method of each brain area position can be influenced by different software every the accuracy of conjunction, and also suffer from each area of postoperative patients
Whether domain brain tissue has the influence of slight displacement compared with operation consent MR.This also results in the non-electrode reality of thought electrode position
Border position, to influence the accuracy of operation removal of lesions.
Summary of the invention
The present invention is directed at least solve one of technical problem present in the relevant technologies.For this purpose, the present invention needs to provide one
Kind Intracranical deep electrode and medical instrument.
The Intracranical deep electrode of embodiment of the present invention includes in the supporter to insulate, is distributed in the intracranial deep
The multiple electrodes contact of the front end of electrode, conductive end and electromagnetic induction element, the end connects the supporter, described
End is located at the front end of the supporter, and the electromagnetic induction element is arranged in the end, and the electromagnetic induction element is used
In the location information for indicating the end.
In the Intracranical deep electrode of embodiment of the present invention, due to being provided with the position for indicating end in end
The location information of the electromagnetic induction element of information, such end can feed back to external equipment by electromagnetic induction element, to make
The path for obtaining Intracranical deep electrode is traceable, determines the accurate of each brain area position by Intracranical deep electrode to can be improved
Degree, to improve the accuracy of operation removal of lesions (such as epileptic focus).
In some embodiments, the Intracranical deep electrode is internally provided with optical fiber, and the head of the optical fiber is located at institute
It states in end, the optical fiber is used for external connection optical fiber navigation equipment.
The Intracranical deep electrode includes conducting wire group and connector in some embodiments, and the conducting wire group includes multiple leads
The insulating layer of line and the package conducting wire, the multiple conducting wire include the first conducting wire, the second conducting wire and privates, and described first
Conducting wire connects the electrode contacts and the connector, and second conducting wire connects the electromagnetic induction element and the connector, institute
It states privates and connects the end and the connector, the connector is in pectination.
In some embodiments, the Intracranical deep electrode includes inner core, and the inner core is arranged in the supporter
So that the multiple electrode contacts are of a straight line type.
The axial of each electrode contacts is collimated by corresponding first conducting wire in some embodiments.
First conducting wire can be by alloy platinum material, iridium material, platinum according to alloy material or nonmagnetic in some embodiments
One of stainless steel material or a variety of compositions, second conducting wire can be by alloy platinum material, iridium material, platinum according to alloy material or non-magnetic
One of stainless steel material of property or a variety of compositions, the privates can by alloy platinum material, iridium material, platinum according to alloy material or
One of nonmagnetic stainless steel material or a variety of compositions.
The multiple electrode contacts include multiple first electrodes touching in the supporter in some embodiments
Point and the second electrode contact being formed in the end, the second electrode contact are separated with the electromagnetic induction element, institute
The length for stating second electrode contact is greater than or equal to 2mm.
The supporter includes multiple first flexible parts and the second flexible sub-portion in some embodiments, and adjacent two
The first electrode contact is separated by corresponding described first flexible sub-portion, and the described second flexible sub-portion separates the first electrode
Contact and the second electrode contact.
The first electrode contact is the cricoid conducting ring being arranged on the supporter in some embodiments.
In some embodiments the first electrode contact by alloy platinum material, iridium material, platinumiridio material, carbon material or
One or more of conducting polymer is constituted, and the second electrode contact is by alloy platinum material, iridium material, platinumiridio material, carbon
One or more of material or conducting polymer are constituted.
The outer surface of the supporter, which is labeled with, in some embodiments is used to indicate the Intracranical deep electrode insertion
The scale of depth.
In some embodiments, the outer surface of the Intracranical deep electrode is formed with character mark.
A kind of medical instrument of embodiment of the present invention includes Intracranical deep electrode described in any of the above-described embodiment.
In the medical instrument of embodiment of the present invention, due to being provided with the location information for indicating end in end
Electromagnetic induction element, the location information of such end can feed back to external equipment by electromagnetic induction element, so that cranium
The path of interior depth electrode is traceable, so that the accuracy that each brain area position is determined by Intracranical deep electrode can be improved, from
And improve the accuracy of operation removal of lesions (such as epileptic focus).
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partially will be from following
Become obvious in description, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the Intracranical deep electrode of embodiment of the present invention.
Main element symbol description:
Intracranical deep electrode 10；
Supporter 11, scale 101, first the 111, second flexible sub-portion 112 of flexible part, electrode contacts 12, first electrode touching
Point 121, second electrode contact 122, end 13, conducting wire group 14, connector 15, mark 16.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected.It can
To be mechanical connection, it is also possible to be electrically connected.It can be directly connected, can also can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Referring to Fig. 1, the Intracranical deep electrode 10 of embodiment of the present invention includes in the supporter 11 to insulate, is spaced apart
In the multiple electrodes contact 12, conductive end 13 and electromagnetic induction element of the front end of Intracranical deep electrode 10.End 13 connects
Supporter 11.End 13 is located at the front end of supporter 11.Electromagnetic induction element is arranged in end 13.Electromagnetic induction element is used for
Indicate the location information of end 13.
In the Intracranical deep electrode 10 of embodiment of the present invention, due to being provided in end 13 for indicating end 13
Location information electromagnetic induction element, the location information of such end 13 can feed back to outside by electromagnetic induction element and set
It is standby, so that the path of Intracranical deep electrode 10 is traceable, each brain is determined by Intracranical deep electrode 10 to can be improved
The accuracy of zone position, to improve the accuracy of operation removal of lesions (such as epileptic focus).
It should be noted that Intracranical deep electrode 10 not only can acquire encephalic electric signal by multiple electrodes contact 12, may be used also
Signal (coming from external instrument) is received by multiple electrodes contact 12 and is discarded to intracerebral target area.In addition, electromagnetic induction is first
Part will not influence the signal acquisition of electrode contacts 12.
Further more, electromagnetic induction can be passed through at brain area position each with determination by the observation of Intracranical deep electrode 10 contact
Element obtains the real-time position information of end 13, and external equipment (such as image workstation) can be fed back to by conducting wire, thus
So that the real-time route of Intracranical deep electrode 10 is traceable, acquired 10 position of Intracranical deep electrode can be encephalic in this way
The physical location of depth electrode 10 determines the accurate of each brain area position by Intracranical deep electrode 10 to can further improve
Degree.In some embodiments, it is position sensor that electromagnetic induction element, which is position,.In this way, detection accuracy is higher.
In some embodiments, Intracranical deep electrode 10 is internally provided with optical fiber (not shown go out).The head position of optical fiber
In in end 13.Optical fiber is used for external connection optical fiber navigation equipment.
In this way, the real-time position information of end 13 can be obtained by optical fiber in this way, and can be by conducting wire by above-mentioned real-time position
Confidence breath feeds back to optical fiber navigation equipment, so that the position of end 13 is confirmed, to realize that the path of end 13 can be with tracer.And
And since optical fiber is close to detection position, thus accuracy with higher.
In some instances, end 13 is formed with transmission region.Light source may be provided at outside end 13, and be led by optical fiber etc.
Body of light is by the light directing transmission region of light source, so that transmission region shines and forms illumination region.
In some instances, the light that illumination region issues is near infrared light.
In some embodiments, supporter 11 is in a tubular form.In this way, convenient for the setting of electrode contacts 12 and conducting wire.
In some embodiments, Intracranical deep electrode 10 includes conducting wire group 14 and connector 15.Conducting wire group 14 includes multiple
Conducting wire and the insulating layer for wrapping up conducting wire.Multiple conducting wires include the first conducting wire, the second conducting wire and privates.First conducting wire connection electricity
Pole contact 12 and connector 15.Second conducting wire connects electromagnetic induction element and connector 15.Privates connection end 13 and connector 15.
Connector 15 is in pectination.
In this way, may make 14 fasciculation of conducting wire group in this way, so that conducting wire group 14 makes the space occupied small volume.Separately
Outside, the setting of insulating layer can effectively prevent influencing each other between each conducting wire, to guarantee the stability of data transmission.In addition,
The connector 15 of pectination is capable of forming multiple independent connectors, and integrated level is high, consequently facilitating connection, and data may make to pass
Defeated stability is preferable.
Preferably, connector 15 is round microconnector or double interface.In this way, connecting convenient for being realized with conducting wire and external equipment
It connects, and the stability of data transmission is preferable.
In some embodiments, Intracranical deep electrode 10 includes inner core (not shown go out).Inner core is arranged in supporter 11
It is interior so that multiple electrodes contact 12 is of a straight line type.
In this way, the accuracy that multiple electrodes contact 12 certifiable in this way is tested.
In some instances, inner core is made of plastic material or titanium material.In this way, it is total to may make that inner core reaches nuclear-magnetism in this way
Vibration compatibility.
In some embodiments, the first conducting wire can be by alloy platinum material, iridium material, platinum according to alloy material or nonmagnetic stainless
One of Steel material or a variety of compositions.Second conducting wire can be by alloy platinum material, iridium material, platinum according to alloy material or nonmagnetic stainless
One of Steel material or a variety of compositions.Privates can be by alloy platinum material, iridium material, platinum according to alloy material or nonmagnetic stainless
One of Steel material or a variety of compositions.
In this way, the first conducting wire, the second conducting wire and privates have preferable electric conductivity, and it will not influence data letter
Number transmission.
In some embodiments, the axial of each electrode contacts 12 is collimated by corresponding first conducting wire.
In this way, electrode contacts 12 certifiable in this way have biggish contact area, and the inspection of electrode contacts 12 can be improved
Accuracy.
In some embodiments, the first conducting wire is in cylindrical shape.The range of the diameter of first conducting wire is in 0.1-0.4mm.
Second conducting wire is in cylindrical shape.The range of the diameter of second conducting wire is in 0.1-0.4mm.Privates is in cylindrical shape.Third is led
The range of the diameter of line is in 0.1-0.4mm.
In this way, the moderate dimensions of the first conducting wire, the second conducting wire and privates, and can guarantee the accuracy of data transmission.
In some instances, the diameter of the first conducting wire is 0.1mm, 0.2mm, 0.25mm, 0.3mm or 0.4mm.Second conducting wire
Diameter be 0.1mm, 0.2mm, 0.25mm, 0.3mm or 0.4mm.The diameter of privates be 0.1mm, 0.2mm, 0.25mm,
0.3mm or 0.4mm.It is appreciated that the value of the diameter of the first conducting wire, the second conducting wire and privates be not limited to it is above-mentioned cited
Value.
In some embodiments, multiple electrodes contact 12 includes multiple first electrode contacts on supporter 11
121 and the second electrode contact 122 that is formed on end 13.Second electrode contact 122 is separated with electromagnetic induction element.Second electricity
The length d1 of pole contact 122 is greater than or equal to 2mm.
In this way, multiple electrodes contact 12 mutually will not influence, and electromagnetic induction element will not influence multiple motor contacts
12 normal detection function.In addition, due to being provided with second electrode contact 122 on end 13, and length d1 is greater than or waits
In 2mm, also detection function can be realized by end 13 in this way, improve the accuracy of the detection of Intracranical deep electrode 10.
In some embodiments, the length d1 of second electrode contact 122 is greater than or equal to 5mm.
In this way, the length d1 due to second electrode contact 122 is greater than or equal to 5mm, Intracranical deep electrode can be achieved in this way
10 second electrode contact 122 images clearly under magnetic resonance, determines each brain by Intracranical deep electrode 10 to can be improved
The accuracy of zone position, to improve the accuracy of operation removal of lesions (such as epileptic focus).
It should be noted that connector 15 can be arranged to be enough in the interface of connection nuclear magnetic resonance device, and can pass through
Privates connects second electrode contact 122 and connector 15, to realize that the second electrode contact 122 of Intracranical deep electrode 10 exists
It is imaged under magnetic resonance.
In some instances, the value of length d1 is 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm or 8mm.It needs to illustrate
, the value of length d1 is not limited to above-mentioned cited value.
In some embodiments, supporter 11 includes multiple first flexible parts 111 and the second flexible sub-portion 112.It is adjacent
Two first electrode contacts 121 separated by corresponding first flexible sub-portion 111.Second flexible sub-portion 112 separates first electrode
Contact 121 and second electrode contact 122.
In this way, multiple first electrode contacts 121 are to be spaced from each other, can be prevented between each first electrode contact 121 in this way
It influences each other, to ensure that the accuracy that each first electrode contact 121 is tested.Further more, due to the second flexible sub-portion 112 every
First electrode contact 121 and second electrode contact 122 are opened, first electrode contact 121 and second electrode contact 122 can be prevented in this way
Between influence each other, thus ensure that second electrode contact 122 test accuracy.
It should be noted that the first flexible part 111 can be made of flexible material, the second flexible sub-portion 112 can be by flexible material
Material is constituted.The interaction force between the first flexible part 111 and the second flexible sub-portion 112 and brain tissue can be buffered in this way, thus
It can avoid Intracranical deep electrode 10 and damage generated to brain tissue.
In some embodiments, supporter 11 is by silastic material, polydimethyl siloxane material, polyimide material
Or one of Parylene C material or a variety of compositions.
It in this way, supporter 11 is whole to have certain toughness, and can keep being of a straight line type, can fully ensure that cranium in this way
Stability when interior depth electrode 10 is worked.
In addition, supporter 11 has biocompatibility when supporter 11 is made of polyimide material.In this way, to people
The harm of body is smaller.
In some embodiments, the range of the distance between two adjacent first electrode contacts 121 d2 is 2-5mm.
The range of the distance between first electrode contact 121 and second electrode contact 122 d3 are in 2-5mm.
In this way, the value setting of distance d2 is relatively mild, two adjacent first electrodes can further be effectively prevent to touch in this way
It influences each other between point 121.In addition, the value setting of distance d3 is relatively mild, further first electrode can be effectively prevent to touch in this way
It influences each other between point 121 and second electrode contact 122.
In some instances, the value of distance d2 is 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm.Distance d3's
Value is 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm.It should be noted that distance d2 value and distance d3 value simultaneously
It is not limited to above-mentioned cited value.
In some embodiments, each first electrode contact 121 extends the (Y of such as Fig. 1 along the length direction of supporter 11
Shown in axis direction).The range of the length d4 of each first electrode contact 121 is in 1.5-3.0mm.
In this way, each first electrode contact 121 has sufficient development length, to guarantee each first electrode contact
The accuracy of 121 tests.
In some instances, the length d4 of first electrode contact 121 is 1.5mm, 2mm, 2.5mm or 3mm.It needs to illustrate
It is that the value of the length of first electrode contact 121 is not limited to above-mentioned cited value.
In some embodiments, first electrode contact 121 is the cricoid conducting ring being arranged on supporter 11.
In this way, first electrode contact 121 has biggish contact area, so that the acquisition of first electrode contact 121 can be improved
The accuracy of signal.
In some embodiments, the range of the outer diameter of first electrode contact 121 is in 0.6-1.0mm.
In this way, can either guarantee that first electrode contact 121 and cerebrospinal fluid have biggish contact area in this way, while can also
It is enough so that biggish spatial volume can be reserved in first electrode contact 121, consequently facilitating first electrode contact 121 by conducting wire with
External instrument realizes signal connection.
In some embodiments, the shape of second electrode contact 122 and the shape of end 13 match.
In this way, may make second electrode contact 122 to connect with end 13 more close in this way, to can guarantee the second electricity
The accuracy that pole contact 122 is tested.
In some embodiments, the range of the outer diameter of second electrode contact 122 is in 0.6-1.0mm.
In this way, can either guarantee that second electrode contact 122 and cerebrospinal fluid have biggish contact area in this way, while can also
It is enough so that biggish spatial volume can be reserved in second electrode contact 122, consequently facilitating second electrode contact 122 by conducting wire with
External instrument realizes signal connection.
In some embodiments, first electrode contact 121 by alloy platinum material, iridium material, platinumiridio material, carbon material or
One or more of conducting polymer is constituted.Second electrode contact 122 is by alloy platinum material, iridium material, platinumiridio material, carbon materials
One or more of material or conducting polymer are constituted.
In this way, each electrode contacts have preferable electric conductivity, each electrode contacts progress signal can be improved in this way and adopt
The accuracy of collection.
In some embodiments, the outer surface of supporter 11, which is labeled with, is used to indicate 10 insertion depth of Intracranical deep electrode
Scale 101.
In this way, when in use, the insertion depth of Intracranical deep electrode 10 can be grasped in time by scale 101, thus just
In the use of user, the accuracy that Intracranical deep electrode 10 uses is improved.
In some embodiments, the outer surface of Intracranical deep electrode 10 is formed with character mark 16.
In this way, the identification of Intracranical deep electrode 10 is improved, consequently facilitating the classification of user uses.
In some instances, character mark 16 is number mark, it will be understood that in other examples, character mark 16 is also
It can be other types of mark.
A kind of medical instrument of embodiment of the present invention includes the Intracranical deep electrode 10 of any of the above-described embodiment.
In the medical instrument of embodiment of the present invention, due to being provided with the position for indicating end 13 in end 13
The location information of the electromagnetic induction element of information, such end 13 can feed back to external equipment by electromagnetic induction element, thus
So that the path of Intracranical deep electrode 10 is traceable, each brain area position is determined by Intracranical deep electrode 10 to can be improved
Accuracy, to improve the accuracy of operation removal of lesions (such as epileptic focus).
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific
Feature, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification, right
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principle of the present invention and objective and become
Type, the scope of the present invention are defined by the claims and their equivalents.
Claims (13)
1. a kind of Intracranical deep electrode, which is characterized in that including being in the supporter of insulation, being distributed in the intracranial deep electricity
The multiple electrodes contact of the front end of pole, conductive end and electromagnetic induction element, the end connect the supporter, the end
Head is located at the front end of the supporter, and the electromagnetic induction element is arranged in the end, and the electromagnetic induction element is used for
Indicate the location information of the end.
2. Intracranical deep electrode as described in claim 1, which is characterized in that the Intracranical deep electrode is internally provided with light
The head of fibre, the optical fiber is located in the end, and the optical fiber is used for external connection optical fiber navigation equipment.
3. Intracranical deep electrode as described in claim 1, which is characterized in that the Intracranical deep electrode includes conducting wire group and connects
Head, the conducting wire group include the insulating layer of multiple conducting wires and the package conducting wire, and the multiple conducting wire includes the first conducting wire, second
Conducting wire and privates, first conducting wire connect the electrode contacts and the connector, and second conducting wire connects the electricity
Magnetic induction part and the connector, the privates connect the end and the connector；
The connector is in pectination.
4. Intracranical deep electrode as described in claim 1, which is characterized in that the Intracranical deep electrode includes inner core, described
Inner core is arranged in the supporter so that the multiple electrode contacts are of a straight line type.
5. Intracranical deep electrode as claimed in claim 3, which is characterized in that the axial direction of each electrode contacts is by corresponding
The first conducting wire collimation.
6. Intracranical deep electrode as claimed in claim 3, which is characterized in that first conducting wire can by alloy platinum material, iridium material,
For platinum according to one of alloy material or nonmagnetic stainless steel material or a variety of compositions, second conducting wire can be by alloy platinum material, iridium
According to one of alloy material or nonmagnetic stainless steel material or a variety of compositions, the privates can be by platinum product for material, platinum
Material, iridium material, platinum are according to one of alloy material or nonmagnetic stainless steel material or a variety of compositions.
7. Intracranical deep electrode as described in claim 1, which is characterized in that the multiple electrode contacts include being located at the branch
Multiple first electrode contacts on support body and the second electrode contact being formed on the end, the second electrode contact and institute
It states electromagnetic induction element to separate, the length of the second electrode contact is greater than or equal to 2mm.
8. Intracranical deep electrode as claimed in claim 7, which is characterized in that the supporter include multiple first flexible parts and
Second flexible sub-portion, the first electrode contact of adjacent two are separated by corresponding described first flexible sub-portion, and described second
Flexible sub-portion separates the first electrode contact and the second electrode contact.
9. Intracranical deep electrode as claimed in claim 7, which is characterized in that the first electrode contact is to be arranged in the branch
Cricoid conducting ring on support body.
10. Intracranical deep electrode as claimed in claim 7, which is characterized in that the first electrode contact is by alloy platinum material, iridium material
One or more of material, platinumiridio material, carbon material or conducting polymer are constituted；
The second electrode contact by one of alloy platinum material, iridium material, platinumiridio material, carbon material or conducting polymer or
Several compositions.
11. Intracranical deep electrode as described in claim 1, which is characterized in that the outer surface of the supporter, which is labeled with, to be used for
Indicate the scale of the Intracranical deep electrode insertion depth.
12. Intracranical deep electrode as described in claim 1, which is characterized in that the outer surface of the Intracranical deep electrode is formed
There is character mark.
13. a kind of medical instrument, which is characterized in that including the described in any item Intracranical deep electrodes of claim 1-12.
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| CN201710534969.0A CN109199377A (en) | 2017-07-03 | 2017-07-03 | Intracranical deep electrode and medical instrument |
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| CN201710534969.0A CN109199377A (en) | 2017-07-03 | 2017-07-03 | Intracranical deep electrode and medical instrument |
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| CN110520042A (en) * | 2019-07-17 | 2019-11-29 | 诺尔医疗（深圳）有限公司 | Intracranical deep electrode |
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| CN110691549A (en) * | 2019-07-17 | 2020-01-14 | 诺尔医疗（深圳）有限公司 | Intracranial deep electrode |
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