CN106693163A - Directional DBS (deep brain stimulation) electrode with indication mark and positioning method thereof - Google Patents
Directional DBS (deep brain stimulation) electrode with indication mark and positioning method thereof Download PDFInfo
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- CN106693163A CN106693163A CN201611131037.3A CN201611131037A CN106693163A CN 106693163 A CN106693163 A CN 106693163A CN 201611131037 A CN201611131037 A CN 201611131037A CN 106693163 A CN106693163 A CN 106693163A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0526—Head electrodes
- A61N1/0529—Electrodes for brain stimulation
- A61N1/0534—Electrodes for deep brain stimulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
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- Health & Medical Sciences (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention belongs to the technical field of electrical stimulation medical equipment, and particularly relates to a directional DBS (deep brain stimulation) electrode with an indication mark and a positioning method thereof. A mark visible in a medical image is arranged on a cylinder of the DBS electrode, so that the rotation position of the DBS electrode is obtained through the mark position shown in the medical image; the shown mark is formed by two metal dotted marks visible in the X-ray image; in addition, the positions of the two dotted marks are at different heights on the side surface of the cylinder; in addition, the corresponding radian of a position between the two dotted marks relative to the center axis is any angle which is not equal to 0 and pi; any one dotted mark in the two dotted marks is used as an angle mark; the other dotted mark is used as a directional mark; the rotation angle is calculated through calculating the shortest distance of the angle mark vertical to the center axis; the rotation direction of the electrode can be judged through judging the position of the direction mark in the medical image relative to the angle mark; the medical measure efficiency and precision can be favorably improved.
Description
Technical field
The invention belongs to electro photoluminescence technical field of medical equipment, more particularly to a kind of directionality DBS with cue mark
Electrode and its localization method.
Background technology
DBS therapies are a kind of deep brain stimulation (DBS) therapies, for treating a kind of genetic myodystony, mainly
It is that electrode is implanted to patient's intracerebral, some nerve nucleus of its cerebral deep is stimulated with impulse generator, corrects the big of exception
Brain electricity loop, so as to mitigate these neurological symptoms.
Conventional directionality DBS electrodes form radial arrangement and form by multigroup segmented electrode at present, such as patent
CN105263567A and US7668601.Due to directionality DBS electrodes be on substantially symmetrical about its central axis, cannot in surgical procedure
The direction of electrode is determined by X ray image.
The content of the invention
Regarding to the issue above, the present invention proposes a kind of directionality DBS electrodes with cue mark and its method.
A kind of directionality DBS electrodes with cue mark, including：Medical image is set on the cylinder of DBS electrodes
In visible mark so that the rotation position of DBS electrodes is obtained by the mark position presented in medical image.
The mark is two sections of visible metal band-shaped mark compositions of X ray image, and two ribbons mark is located at cylinder
On body side surface and parallel to central shaft, in pi/2 between π, and two ribbons mark at least one to two ribbons mark arc length
The arc length angle of the central shaft corresponding to part is overlapped, to cause that total arc length angle of correspondence central shaft is π.
The mark for two visible metal point-like mark groups of X ray image into, and two point-like mark positions
It is to be not equal to 0 and π between different height on cylindrical sides, and two point-like marks relative to the radian corresponding to central shaft
It is arbitrarily angled.
It is described be not equal to 0 and π it is arbitrarily angled with π/4 of π/4 to 3 as preferred scope.
The different height is with electrode whole height of the difference in height more than or equal to 1/2nd between two point-like marks
It is preferred scope.
The mark also includes the 3rd visible metal point-like mark of X ray image, and the position of the mark is cylinder
Other two height of metal point-like mark are different from side, and relative to central shaft institute between any one point-like mark
Corresponding radian is π.
The metal point-like mark can be marked with metal strip or metal rectangular fills mark and replaces.
A kind of localization method based on the directionality DBS electrodes with cue mark, including：
According to certain rotary step rotation electrode, often rotate and once shoot lower medical image, and to image in two
The length of band mark and position recorded after into table；Medical image is shot in operation and is measured, according to what is recorded before
Data lookup table in table, you can determine electrode rotary angle.
A kind of localization method based on the directionality DBS electrodes with cue mark, including：
Using any one in two point-like mark as angle mark, another as bearing mark, with angle mark
The shaft section at place is primary face, and perpendicular to datum level, then in medical image, angle mark is perpendicular to central shaft for X-ray
Beeline is electrode radius equal to Rcos θ, R, and θ is the shaft section and the angle of primary face where current angular mark, is passed through
Judge to judge by position of the bearing mark relative to angle mark in medical image the direction of rotation of electrode.
The visible metal point-like mark of 3rd X ray image is marked as verification, in medical image perpendicular to
The beeline of central shaft is electrode radius equal to Rcos θ, R, and θ is to verify mark relative to the shaft section where angle mark
The angle that shaft section where note is rotated, plays a part of to be easy to calculate, verifies, image recognition.
The beneficial effects of the present invention are：
Visible mark in by setting medical image on the cylinder of DBS electrodes so that by being in medical image
Existing mark position easily obtains the rotation position of DBS electrodes.It is favorably improved the efficiency and precision of medical procedure.
Brief description of the drawings
Fig. 1 be embodiment one in two sections of electrode schematic diagrames of metal band-shaped mark.
Fig. 2 be embodiment one in two sections of positioning schematic diagrames of the electrode of metal band-shaped mark.
Fig. 3 is the metal band-shaped mark schematic diagram in embodiment two.
Fig. 4 is the positioning schematic diagrames of the electrode marked with two metal point-like in embodiment three.
Fig. 5 is the positioning schematic diagrames of the electrode marked with three metal point-like in example IV.
Fig. 6 be embodiment five in three positioning schematic diagrames of the electrode of metal band-shaped mark.
Wherein, 1- angle marks, 2- bearing marks, 3- verification marks.
Specific embodiment
Below in conjunction with the accompanying drawings, embodiment is elaborated.
A kind of directionality DBS electrodes with cue mark, including：Medical image is set on the cylinder of DBS electrodes
In visible mark so that the rotation position of DBS electrodes is obtained by the mark position presented in medical image.
Embodiment one
As shown in figure 1, being labeled as being made up of two sections of visible metal band-shaped marks of X ray image, two ribbon marker bits
In on cylindrical sides and parallel to central shaft, two ribbons mark arc length in pi/2 between π, and two ribbons mark
The arc length angle of the central shaft corresponding at least a portion is overlapped, to cause that total arc length angle of correspondence central shaft is π.
As shown in Fig. 2 a kind of localization method based on the directionality DBS electrodes with cue mark, including：
According to certain rotary step rotation electrode, often rotate and once shoot lower medical image, and to image in two
The length of band mark and position recorded after into table；Medical image is shot in operation and is measured, according to what is recorded before
Data lookup table in table, you can determine electrode rotary angle.
Embodiment two
As shown in figure 3, two ribbons mark can be with integrally formed.
Embodiment three
As shown in figure 4, the mark is two visible metal point-like mark groups of X ray image into and two point-like
The position of mark is to be relative to the radian corresponding to central shaft between different height on cylindrical sides, and two point-like marks
It is not equal to the arbitrarily angled of 0 and π.
It is described be not equal to 0 and π it is arbitrarily angled with π/4 of π/4 to 3 as preferred scope.
The different height is with electrode whole height of the difference in height more than or equal to 1/2nd between two point-like marks
It is preferred scope.
A kind of localization method based on the directionality DBS electrodes with cue mark, including：
Using any one in two point-like mark as angle mark, another as bearing mark, with angle mark
The shaft section at place is primary face, and perpendicular to datum level, then in medical image, angle mark is perpendicular to central shaft for X-ray
Beeline is electrode radius equal to Rcos θ, R, and θ is the shaft section and the angle of primary face where current angular mark, is passed through
Judge to judge by position of the bearing mark relative to angle mark in medical image the direction of rotation of electrode.
Example IV
As shown in figure 5, the mark also includes the 3rd visible metal point-like mark of X ray image, the position of the mark
It is set on cylindrical sides and is different from other two height of metal point-like mark, and it is relative between any one point-like mark
In the radian corresponding to central shaft be π.
The visible metal point-like mark of 3rd X ray image is marked as verification, in medical image perpendicular to
The beeline of central shaft is electrode radius equal to Rcos θ, R, and θ is to verify mark relative to the shaft section where angle mark
The angle that shaft section where note is rotated, plays a part of to be easy to calculate, verifies, image recognition.
Embodiment five
As shown in fig. 6, the metal point-like mark can be marked with metal strip or metal rectangular fills mark and replaces.
This embodiment is only the present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (10)
1. a kind of directionality DBS electrodes with cue mark, it is characterised in that including：Set on the cylinder of DBS electrodes
Visible mark in medical image so that the rotation position of DBS electrodes is obtained by the mark position presented in medical image.
2. electrode according to claim 1, it is characterised in that the mark is two sections of visible metal tapes of X ray image
Shape mark composition, two ribbons mark is located on cylindrical sides and parallel to central shaft, and two ribbons mark arc length in pi/2
Arc length angle to the central shaft between π, and corresponding to two ribbons mark at least a portion is overlapped, to cause correspondence
Total arc length angle of central shaft is π.
3. electrode according to claim 1, it is characterised in that the mark is two visible metal dots of X ray image
Shape mark composition, and two positions of point-like mark are relative between different height on cylindrical sides, and two point-like marks
In the radian corresponding to central shaft be not equal to 0 and π arbitrarily angled.
4. electrode according to claim 3, it is characterised in that described to be not equal to the arbitrarily angled of 0 and π and be with π/4 of π/4 to 3
Preferred scope.
5. electrode according to claim 3, it is characterised in that the different height with two point-like mark between difference in height
Electrode whole height more than or equal to 1/2nd is preferred scope.
6. electrode according to claim 3, it is characterised in that the mark also includes the 3rd visible gold of X ray image
Category point-like mark, the position of the mark to be different from other two height of metal point-like mark on cylindrical sides, and with appoint
Relative to the radian corresponding to central shaft it is π between meaning one point-like mark.
7. the electrode according to claim 3 or 4 or 5 or 6, it is characterised in that the metal point-like mark can use metal strip
Mark or metal rectangular dress mark replace.
8. a kind of localization method based on electrode described in claim 2, it is characterised in that including：
According to certain rotary step rotation electrode, often rotate and once shoot lower medical image, and to image in two ribbons
The length of mark and position recorded after into table；Medical image is shot in operation and is measured, according in the table for recording before
Data lookup table, you can determine electrode rotary angle.
9. a kind of localization method based on electrode described in claim 3 or 4 or 5 or 6, it is characterised in that including：
Using any one in two point-like mark as angle mark, another as bearing mark, with where angle mark
Shaft section be primary face, perpendicular to datum level, then in medical image, angle mark is perpendicular to the most short of central shaft for X-ray
Distance is electrode radius equal to Rcos θ, R, and θ is the angle of the shaft section where current angular mark and primary face, by judging
Bearing mark can judge the direction of rotation of electrode relative to the position of angle mark in medical image.
10. a kind of localization method based on electrode described in claim 6, it is characterised in that
Using any one in two point-like mark as angle mark, another as bearing mark, with where angle mark
Shaft section be primary face, perpendicular to datum level, then in medical image, angle mark is perpendicular to the most short of central shaft for X-ray
Distance is electrode radius equal to Rcos θ, R, and θ is the angle of the shaft section where current angular mark and primary face, by judging
Bearing mark can judge the direction of rotation of electrode relative to the position of angle mark in medical image；
The 3rd visible metal point-like mark of X ray image is marked as verification, then vertical in medical image lieutenant colonel standard inspection note
It is electrode radius equal to Rcos θ, R in the beeline of central shaft, θ is to be verified relative to the shaft section where angle mark
The angle that shaft section where mark is rotated, plays a part of to be easy to calculate, verifies, image recognition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611131037.3A CN106693163B (en) | 2016-12-09 | 2016-12-09 | A kind of directionality DBS electrode and its localization method with cue mark |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611131037.3A CN106693163B (en) | 2016-12-09 | 2016-12-09 | A kind of directionality DBS electrode and its localization method with cue mark |
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| Publication Number | Publication Date |
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| CN106693163A true CN106693163A (en) | 2017-05-24 |
| CN106693163B CN106693163B (en) | 2019-10-29 |
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Cited By (4)
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| CN108112097A (en) * | 2017-12-18 | 2018-06-01 | 中国平煤神马集团开封炭素有限公司 | A kind of electrode connection mark localization method and device |
| CN112292176A (en) * | 2018-06-28 | 2021-01-29 | 美敦力公司 | Implanted medical lead indicator |
| CN112604159A (en) * | 2020-12-11 | 2021-04-06 | 苏州景昱医疗器械有限公司 | Split type electrode and identification method thereof |
| CN112604155A (en) * | 2020-12-31 | 2021-04-06 | 北京品驰医疗设备有限公司 | Manufacturing method of directional electrode development mark and directional electrode development mark |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108112097A (en) * | 2017-12-18 | 2018-06-01 | 中国平煤神马集团开封炭素有限公司 | A kind of electrode connection mark localization method and device |
| CN112292176A (en) * | 2018-06-28 | 2021-01-29 | 美敦力公司 | Implanted medical lead indicator |
| CN112604159A (en) * | 2020-12-11 | 2021-04-06 | 苏州景昱医疗器械有限公司 | Split type electrode and identification method thereof |
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| CN112604155A (en) * | 2020-12-31 | 2021-04-06 | 北京品驰医疗设备有限公司 | Manufacturing method of directional electrode development mark and directional electrode development mark |
| CN112604155B (en) * | 2020-12-31 | 2024-05-28 | 北京品驰医疗设备有限公司 | Method for manufacturing direction electrode developing mark and direction electrode developing mark |
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| CN106693163B (en) | 2019-10-29 |
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