CN218129573U

CN218129573U - Split type stimulating electrode and stimulating system

Info

Publication number: CN218129573U
Application number: CN202220384464.7U
Authority: CN
Inventors: 姜传江
Original assignee: Sceneray Co Ltd
Current assignee: Jingyu Medical Technology Suzhou Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-12-27
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a burst formula stimulating electrode and stimulation system, burst formula stimulating electrode has relative amazing end and link, be provided with a plurality of electrode slices that are used for applying the electro photoluminescence on the outer peripheral face of the amazing end of burst formula stimulating electrode, be provided with the tie point that is used for connecting the electrode slice lead wire on every electrode slice respectively, a plurality of electrode slices that pass the same radial plane of burst formula stimulating electrode are a set of electrode slice, in at least a set of electrode slice, the tie point shape of at least one electrode slice and the tie point shape of all the other electrode slices are different in order to distinguish a plurality of electrode slices of a set of, the mark on the electrode slice is regarded as to the shape of tie point on the electrode slice, through imaging device, discern the shape of each tie point under the image is assisted in the internal back of patient at the electrode implantation, make things convenient for the simple and easy quick discernment electrode position of operating personnel.

Description

Split type stimulating electrode and stimulating system

Technical Field

The utility model relates to an amazing electrode technical field especially relates to a burst formula amazing electrode and amazing system.

Background

For Deep Brain nerve electrical Stimulation therapy (DBS), involving the delivery of electrical Stimulation to neural structures in specific regions of the Brain to stimulate or inhibit cellular activity, dyskinesias such as chronic pain, parkinson's disease, essential tremor, epilepsy, and psychiatric disorders such as depression and obsessive compulsive disorder can be effectively treated. Specifically, the stimulation electrode for applying electrical stimulation acts on the head of the patient and stimulates a designated part of the brain, so as to treat the brain injury of the patient, and the other end of the stimulation electrode is connected with the neurostimulator through an electrode lead. Currently, in order to satisfy the requirement of accurately implanting electrodes at a desired site within the brain, avoiding side effects on other parts of the brain, electrode pads are generally implanted relatively precisely at the desired site within the brain using various Imaging techniques, such as Magnetic Resonance Imaging (MRI), computed Tomography (CT), X-ray, fluoroscopic Imaging, and stereoscopic Imaging.

In most applications, it is desirable to precisely place and orient the stimulation electrodes within the patient (e.g., the patient's brain) to deliver electrical stimulation to the desired site and avoid side effects. In some applications, it is desirable to position the stimulation electrodes to deliver stimulation to a very small target site without stimulating adjacent brain tissue; if the stimulation is not delivered exactly to the desired target site, the efficacy may be reduced and the adjacent area receives unnecessary excess stimulation; there is a clinical desire to continue to improve the ability to accurately place and orient stimulation electrodes.

Chinese patent No. CN104703653B, which discloses microelectrode recording guided implantation of a directional lead, provides a method of implanting a lead into the brain tissue of a patient, where the lead includes a radially segmented electrode set on the distal end of the lead. The method comprises performing a plurality of microelectrode recordings through a respective plurality of recording tracts in the brain tissue; generating a three-dimensional map of the brain structure based on the microelectrode recordings; positioning a graph of radially segmented electrodes on a map of the brain structure to generate a graphical depiction of a desired depth and a desired radial orientation of the lead in the brain tissue; and implanting the lead into the brain tissue according to the desired depth and the desired radial orientation. The patent still uses the radial directional ruler and the electrode which are additionally arranged to cooperate with each other in order to position the electrode, thereby calculating the position of the electrode.

Chinese patent publication No. CN112292176a, discloses an implantable medical lead indicator that provides an electrode at a distal portion of the lead that is configured to monitor or provide therapy to a target site. The lead may include a visible indicator visible to a clinician at a middle portion of the lead, the visible indicator configured to indicate when the electrodes of the lead are properly longitudinally and radially aligned to monitor or treat the target site. The clinician may insert the lead into the patient by: using an introducer sheath inserted to a predetermined depth into the patient, and then aligning the distal portion of the lead by orienting the indicator at an access port of the introducer sheath. This patent still cooperates to determine the orientation of the electrodes in use by providing an additional indicator on the lead.

In the prior art, the position of an electrode stimulation sheet in a patient body is usually identified by additionally arranging a mark on a stimulation electrode, the position of an electrode sheet is firstly determined by determining the position of the additional mark in the patient body, and then the positions of all stimulation electrode sheets are determined according to the positions of the stimulation electrode sheets, or the positions and the directions of all the electrode stimulation sheets are respectively judged according to the corresponding relation between the predefined marking direction and the electrode stimulation sheet.

Thus, there remains a need for improvements in existing stimulation electrodes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve a burst formula stimulating electrode and amazing system of above-mentioned problem.

The purpose of the utility model is realized by adopting the following technical scheme:

the split stimulation electrode is provided with a stimulation end and a connecting end which are opposite, a plurality of electrode plates for applying electric stimulation are arranged on the peripheral surface of the stimulation end of the split stimulation electrode, each electrode plate is respectively provided with a connecting point for connecting a lead of the electrode plate, the plurality of electrode plates penetrating through the same radial plane of the split stimulation electrode are a group of electrode plates, and in at least one group of electrode plates, the shape of the connecting point of at least one electrode plate is different from the shape of the connecting points of the other electrode plates so as to distinguish the plurality of electrode plates in one group. The shape of the connection point on the electrode slice is taken as the mark on the electrode slice, and through imaging equipment, the identification of operators and the distinguishing of each electrode slice can be clear, so that the operators can conveniently and quickly identify the electrode position, and then the stimulation electrodes can be accurately placed according to the treatment requirements of the heads of patients, and the stimulation points are treated by accurately releasing the stimulation electrodes.

In one embodiment, the shape of the connection point of each of the plurality of electrode sheets is different, or the shape of the connection point of each of the group of electrode sheets is different.

The utility model provides a slice formula stimulating electrode, slice formula stimulating electrode has relative stimulation end and link, be provided with a plurality of electrode slices that are used for applying the electro photoluminescence on the periphery face of the stimulation end of slice formula stimulating electrode, every be provided with the tie point or the tie point combination that are used for connecting the electrode slice lead wire on the electrode slice respectively, the tie point combination includes two at least tie points, passes the same radial plane of slice formula stimulating electrode a plurality of electrode slices are a set of electrode slice, and in at least a set of electrode slice, the shape of the tie point combination of at least one electrode slice is different with the tie point shape of other electrode slices or the shape of tie point combination is different in order to distinguish a set of a plurality of electrode slices.

In one embodiment, the shape of the connection point combination of at least one electrode sheet is different from the shape of the connection points of the other electrode sheets or the shape of the connection point combination comprises any one of the following: the shape of the connection point in the connection point combination of at least one electrode sheet is different from the shape of the connection point of the other electrode sheet or the shape of the connection point in the connection point combination, or the shape of the connection point position in the connection point combination of at least one electrode sheet is different from the connection point position of the other electrode sheet or the shape of the connection point position in the connection point combination.

In one embodiment, a trace is disposed between the connection points of the connection point combination, and the trace is embedded in the patch stimulation electrode.

In one embodiment, the electrode plate leads are embedded in the segmented stimulation electrodes, the connection points include via holes formed on the segmented stimulation electrodes and conductive layers located in the via holes, each electrode plate is electrically connected with the corresponding electrode plate lead through the conductive layer in the via hole, and the connection points are in the shape of the via holes.

In one embodiment, one of the connection point combinations is connected with an electrode sheet lead, the connection point connected with the electrode sheet lead comprises a via hole formed on the split stimulation electrode and a conductive layer positioned in the via hole, the electrode sheet is electrically connected with the corresponding electrode sheet lead through the conductive layer in the via hole, the connection point connected with the electrode sheet lead is in the shape of the via hole, and the position of the connection point connected with the electrode sheet lead is the position of the via hole;

the other connection points of the connection point combination are connected or not connected with the electrode sheet lead, at least one of the other connection points of the connection point combination is a metal sheet and is arranged on the inner circumferential surface of the stimulation end of the slice type stimulation electrode, the connection points of the connection point combination are connected or not connected, the connection points of the metal sheet are in the shape of the metal sheet, and the connection points of the metal sheet are in the position of the metal sheet.

In one embodiment, the conductive layer is formed on an inner wall of the via hole, and the via hole filled with the conductive layer is an empty hole.

In one embodiment, the inner wall of the via is a rounded inner wall.

In one embodiment, the shape of the connection point is a radial cross-sectional shape of the via hole, and the radial cross-sectional shape of the via hole is a rounded rectangle, a circle, an ellipse, a rounded triangle or a rounded diamond.

In one embodiment, the connection point of at least one electrode pad in the set of electrode pads has a directional marker for distinguishing a plurality of electrode pads of the set of electrode pads.

In one embodiment, in a flattened state of the stimulation end of the slice type stimulation electrode, the electrode slices are distributed at intervals in an array, and the shape of each electrode slice is the same.

In one embodiment, in a state that the stimulation end of the segmented stimulation electrode is flattened, the electrode slices are distributed at intervals in an array, and the connection points of the electrode slices in a row in the length direction of the segmented stimulation electrode are the same in shape.

In one embodiment, the segmented stimulation electrode comprises 2-10 sets of electrode segments, the set of electrode segments comprising 2-10 electrode segments.

A stimulation system, comprising: the stimulation electrode is a split type stimulation electrode.

Compared with the prior art, the beneficial effects of the utility model include at least:

by distinguishing a group of electrode plates of the split-type stimulation electrode, under the imaging technology, the mode of distinguishing different stimulation electrodes is adopted through the recognized connection point shape or connection point shape and connection point combination shape on the electrode plates, so that an operator can conveniently and quickly mark and recognize the electrode position, the stimulation point of the stimulation electrode is accurately acted on a designated position, after the electrode lead is implanted into a patient body, the position of each connection point is recognized under the assistance of an image, and the requirement on the recognition capability of the stimulation electrode of the operator is lowered; meanwhile, the stimulation electrode position is identified without additional design marks.

Drawings

Fig. 1 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to an embodiment of the present invention in a flattened state;

fig. 2 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to another embodiment of the present invention in a flattened state;

fig. 3 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to another embodiment of the present invention in a flattened state;

fig. 4 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to yet another embodiment of the present invention in a flattened state;

fig. 5 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to yet another embodiment of the present invention in a flattened state;

fig. 6 is a schematic diagram of a stimulation end of a patch stimulation electrode according to yet another embodiment of the present invention in a flattened state;

fig. 7 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to yet another embodiment of the present invention in a flattened state;

fig. 8 is a schematic diagram of a stimulation end of a patch stimulation electrode according to yet another embodiment of the present invention in a flattened state;

fig. 9 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to yet another embodiment of the present invention in a flattened state;

fig. 10 is a schematic diagram of a stimulation end of a segmented stimulation electrode according to yet another embodiment of the present invention in a flattened state;

fig. 11 is a schematic diagram of a stimulation end of a slice stimulation electrode according to yet another embodiment of the present invention in a flattened state.

In the figure: 1. electrode plate lead wires; 2. an electrode sheet; 3. a stimulating electrode; 4. a connection point; 5. a trace.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.

The words for expressing the position and direction described in the present invention are all the explanations given by taking the drawings as examples, but can be changed according to the needs, and the changes are all included in the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a burst formula stimulating electrode 3, burst formula stimulating electrode 3 has relative stimulation end and link, be provided with a plurality of electrode slices 2 that are used for applying the electro photoluminescence on the outer peripheral face of the stimulation end of burst formula stimulating electrode 3, every be provided with the tie point 4 that is used for connection electrode slice lead wire 1 on the electrode slice 2 respectively, pass burst formula stimulating electrode 3 coplanar a plurality of electrode slices 2 are a set of electrode slice 2, and in at least a set of electrode slice 2, the tie point 4 shape of at least one electrode slice 2 is different in order to distinguish a plurality of electrode slices 2 of a set of with the tie point 4 shapes of all the other electrode slices 2.

The signal strength and the frequency and the effect position of the output of different burst formula stimulating electrode 3 are all specified, there is the deviation slightly will cause huge influence to amazing positions such as brain, use the utility model discloses a burst formula stimulating electrode 3, every electrode slice 2's magnetic field intensity is even basically, under imaging technology's cooperation, regard the 4 shapes of tie point on at least a set of electrode slice 2 as the identification mark, and then distinguish the position of each electrode slice 2 of reorganization electrode slice 2 and other groups, mark out the electrode position, confirm burst formula stimulating electrode 3 in the implantation direction and the position of brain through the electrode slice 2 of distinguishing out, make things convenient for simple and easy discernment burst formula stimulating electrode 3 of operating personnel, and treat amazing the point or expect the position with the accurate fixing of burst formula stimulating electrode 3 in the brain, need not additionally at setting up the mark.

In one embodiment, the electrode pad leads 1 are embedded in the segmented stimulation electrodes 3, the connection points 4 include via holes formed on the segmented stimulation electrodes 3 and conductive layers located in the via holes, each electrode pad 2 is electrically connected to the corresponding electrode pad lead 1 through the conductive layer in the via hole, and the connection points 4 are in the shape of the via holes. Compare with the current electrode slice lead wire that adopts the wire through welding and electrode slice connection's mode, in this embodiment, through form the via hole on the burst formula stimulating electrode 3 to form the conducting layer in the via hole, electrode slice lead wire 1 is buried underground in burst formula stimulating electrode 3, and electrode slice lead wire 1 is connected with electrode slice 2 electricity through the downthehole conducting layer of mistake, not only makes the shape of tie point 4 by the shape sign of via hole clearer, and electrode slice lead wire 1 does not occupy extra space moreover.

Preferably, the conductive layer is formed on the inner wall of the via hole, and the via hole filled with the conductive layer is a hollow hole. When the via hole is the hollow hole, under imaging device, the shape and the position of via hole are more obvious, and especially during X-ray imaging, the via hole of hollow hole structure is white or approximate white, and visual effect is more obvious, more is favorable to discerning the shape and the position of tie point 4.

The inner wall of the via hole is preferably a smooth inner wall, and compared with a structure with a slit in the via hole, the via hole with the smooth inner wall structure is more favorable for the adhesion of the conductive layer, so that the electrical connection performance of the split stimulation electrode 3 is more reliable.

The shape of the connection point 4 is preferably the radial cross-sectional shape of the via hole, the radial cross-sectional shape of the via hole is preferably a rounded rectangle, a circle, an ellipse, a rounded triangle or a rounded diamond, and the shapes of the plurality of connection points 4 can be selected from various shapes to be combined.

Referring to fig. 1 to 3, the shape of the connection point 4 of each of the plurality of electrode sheets 2 is different, or the shape of the connection point 4 of each of the electrode sheets 2 in the group of electrode sheets 2 is different. In fig. 1, each connection point 4 of the middle group of electrode plates 2 has a different shape; in fig. 2, each connection point 4 of each group of electrode sheets 2 has a different shape; in fig. 3, each connection point 4 of each electrode sheet 2 in each group is different in shape, but each connection point 4 of each electrode sheet 2 in each column is the same in shape. Under imaging technology, the tie point 4 on every electrode slice 2 homoenergetic represents this electrode slice 2 position on the piece formula stimulating electrode 3, the shape of the tie point 4 of all electrode slices 2 on the piece formula stimulating electrode 3 is all inequality, perhaps through distinguishing the position of every electrode slice 2 in one of them group electrode slice 2, and then distinguish every electrode slice 2's in all the other each group electrode slices 2 position, thereby can be quick through naked eye judge different electrode slices 2, the convenient position of electrode slice 2 of shape determination according to a plurality of tie points 4 of operating personnel, in order to treat the stimulation point with accurate the fixing of stimulating electrode 3.

Referring to fig. 5 to 7, a segmented stimulation electrode 3, the segmented stimulation electrode 3 having opposite stimulation ends and connection ends, the outer circumferential surface of the stimulation end of the segmented stimulation electrode 3 is provided with a plurality of electrode pads 2 for applying electrical stimulation, each electrode pad 2 is provided with a connection point 4 or a connection point combination for connecting an electrode pad lead 1, the connection point combination includes at least two connection points 4, for example, 2 to 6 connection points 4, preferably 2, 3, or 4 connection points 4, the plurality of electrode pads 2 passing through the same radial plane of the segmented stimulation electrode 3 are a set of electrode pads 2, and in at least one set of electrode pads 2, the shape of the connection point combination of at least one electrode pad 2 is different from the shape of the connection points 4 of the remaining electrode pads 2 or the shape of the connection point combination is different so as to be able to distinguish the plurality of electrode pads 2 of a set. Compared with the shapes of the connection points 4 on the electrode plates 2 as marks in fig. 1-3, in the embodiment, the shape of the connection point combination is used for distinguishing from the shapes of the connection points 4 of the other electrode plates 2 or the shapes of the connection point combinations, so as to distinguish the electrode plates 2, wherein the distinguishing mark can be the shape of a single connection point 4 on the electrode plate 2 or the different shapes formed by combining a plurality of connection points 4 on the single electrode plate 2, the connection points 4 can form more shapes and serve as the distinguishing mark on the electrode plate 2, and an operator can conveniently identify the shapes of the connection points 4 and determine the specific positions of the electrode plates 2. In this embodiment, the shape of the connection point 4 may be the same as or similar to the shape of the connection point 4 in fig. 1 to 3, which is not described herein again.

The connection points 4 may be connected or not connected, and when in connection, the two connection points 4 may be connected through a metal trace 5, wherein the trace 5 is embedded in the patch-type stimulation electrode 3, and the connection mode of the trace 5 and the connection point 4 may be the same as that of the electrode pad lead 1 and the connection point 4, which is not described herein again.

Referring to fig. 9 and 10, the shape of the connection point combination of at least one electrode tab 2 different from the shape of the connection point 4 of the remaining electrode tabs 2 or the shape of the connection point combination includes any one of: the shape of the connection point 4 in the connection point combination of at least one electrode sheet 2 is different from the shape of the connection point 4 of the other electrode sheet 2 or the shape of the connection point 4 in the connection point group, or the shape of the connection point 4 position in the connection point combination of at least one electrode sheet 2 is different from the connection point 4 position of the other electrode sheet 2 or the shape of the connection point 4 position in the connection point combination.

Referring to fig. 5, in a state that the split stimulation electrode 3 is unfolded, the electrode sheet 2 with the mark is located in the middle of the uppermost group of electrode sheets 2, wherein the connection point combination on the electrode sheet 2 includes two connection points 4, the two connection points 4 are connected through a trace 5, the distinguishing mark of the electrode sheet 2 is the shape formed by the position connection lines of the two connection points 4 and serves as the mark on the electrode sheet 2, and meanwhile, the shape of the position connection line of the combined connection point 4 has a pointing effect, and under an imaging technology, an operator can simultaneously determine the positions of the rest electrode sheets 2 on the same group of electrode sheets 2 through the electrode sheet 2 marked by the connection points 4, so that the operator can accurately fix the split stimulation electrode 3 at a to-be-stimulated point of a brain to realize the purpose of identifying the electrode orientation.

The trace 5 is arranged between the connection points 4 of the connection point combination, the connection points 4 on the same electrode plate 2 are connected through the trace 5, under the imaging equipment, the shape formed by the connection point combination and the trace 5 can be clearly observed, the position connection line of the connection points 4 can be quickly obtained and used as a mark for identifying the electrode plate 2 on the split type stimulating electrode 3, an operator can conveniently fix the split type stimulating electrode 3 at a point to be stimulated accurately.

In one embodiment, one connection point 4 of the connection point combination is connected with an electrode plate lead 1, the connection point 4 connected with the electrode plate lead 1 comprises a via hole formed on the segmented stimulation electrode and a conductive layer located in the via hole, the electrode plate 2 is electrically connected with the corresponding electrode plate lead through the conductive layer in the via hole, the connection point 4 connected with the electrode plate lead 1 is in the shape of the via hole, and the position of the connection point 4 connected with the electrode plate lead 1 is the position of the via hole.

The other connection points 4 of the connection point combination are connected or not connected with the electrode plate lead 1, at least one of the other connection points 4 of the connection point combination is a metal sheet and is arranged on the inner circumferential surface of the stimulation end of the split stimulation electrode, in other words, the other connection points 4 of the connection point combination can be all metal sheets or a part of the metal sheets, the electrode plate 2 is arranged on the outer circumferential surface of the stimulation end of the split stimulation electrode 3, the metal sheets are arranged on the inner circumferential surface of the electrode plate 2, and the electrode plate 2 is opposite to the metal sheets. The connection points 4 of the connection point combination are connected or not connected, the connection can be realized through traces 5, the connection points 4 adopting the metal sheets are in the shape of the metal sheets, and the positions of the connection points 4 adopting the metal sheets are the positions of the metal sheets. Therefore, when the marking and distinguishing are carried out through the connection point combination shape, the connection point combination shape is formed by connecting the position of the through hole and the position of the metal sheet, and the marking and distinguishing are carried out.

Preferably, referring to fig. 4, in the set of electrode pads 2, the connection point 4 of at least one electrode pad 2 has a directional mark, and the directional mark is used for distinguishing a plurality of electrode pads 2 of the set of electrode pads 2, wherein the directional mark is in the shape of the connection point 4 with a direction guiding function, on the split stimulation electrode 3, the set of electrode pads 2 is three, for example, the connection point 4 on one electrode pad 2 is in the shape of an isosceles triangle, the top of one side of the isosceles triangle points to the adjacent electrode pad 2, and under the auxiliary imaging of the imaging device, the position of the adjacent electrode pad 2 can be accurately identified.

Referring to fig. 5, 6, 10 and 11, the directional marker may also be a connection point combination shape with a direction guiding function, the connection point combination shape is a shape formed by a plurality of connection points connected by traces 5 on the same electrode plate 2, the shape formed by the connection points 4 is approximately L-shaped and points to the adjacent electrode plate 2 on one side, under the imaging technology, medical staff can quickly recognize by naked eyes, the shape of the connection points 4 of all electrode plates 2 on the same group of electrode plates 2 is convenient for the medical staff to accurately fix the stimulation electrode 3 on the point to be stimulated of the brain.

Referring to fig. 1, the connection point 4 on the electrode sheet 2 is rectangular, circular, triangular or rhombic. As a preferable mode, the shape of the connection point 4 is a radial cross-sectional shape of a via hole, and the radial cross-sectional shape of the via hole is a rounded rectangle, a circle, an ellipse, a rounded triangle or a rounded rhombus, which can be used for distinguishing different electrode sheets 2, and the adhesion effect of the conductive layer in the via hole is better.

Preferably, in a state that the stimulation end of the split stimulation electrode 3 is flattened, the plurality of electrode pieces 2 are distributed at intervals in an array, and the shape of each electrode piece 2 is the same. The electrode plates 2 are uniformly distributed on the split type stimulating electrode 3, so that the electrode plates 2 can be conveniently and accurately corresponding to a point to be stimulated, and when the stimulation electrode is used, stimulating signals released by the split type stimulating electrode 3 in the brain are uniform, so that a good stimulating effect is achieved during treatment.

Preferably, referring to fig. 3 and 8, in a state where the stimulation end of the segmented stimulation electrode 3 is flattened, the electrode pads 2 are arranged at intervals in an array, and the connection points 4 of the electrode pads 2 arranged in a row in the longitudinal direction of the segmented stimulation electrode 3 have the same shape. Under the flattening state, on a row direction, the shape of tie point 4 shape or tie point combination on every electrode slice 2 is all the same, a plurality of electrode slices 2 all regard the shape of tie point 4 or tie point combination as distinguishing the mark, under imaging technology, the technician can all distinguish the position of a plurality of electrode slices 2 in every group electrode slice through observing the shape of tie point 4 or tie point combination on arbitrary a set of electrode slice 2, make things convenient for the technician to accurately fix stimulation electrode 3 on treating the stimulation point, the quick discernment electrode position.

The patch type stimulation electrode comprises 2-10 groups of electrode slices, for example, 3, 4, 5 or 6 groups of electrode slices, and the group of electrode slices 2 comprises 2-10 electrode slices 2, for example, 3, 4, 5 or 6 electrode slices 2. Wherein, the quantity of electrode slice 2 in a set of divides more, and electrode slice 2's stimulation point is just more accurate, under imaging technique, is favorable to medical personnel to wait amazing department with the accurate insertion of burst formula stimulating electrode 3 in patient's brain.

The utility model also provides a stimulation system, include: a stimulator, a lead and a stimulation electrode 3, wherein the stimulator (not shown in the figure) is connected with the stimulation electrode 3 through the lead (not shown in the figure), and the stimulation electrode 3 is the above-mentioned split stimulation electrode 3. After the stimulation electrode 3 is accurately fixed at the to-be-stimulated point of the brain and other tissues under the imaging technology, when the stimulation electrode works, the stimulator outputs a stimulation signal and transmits the stimulation signal through a lead, finally, the stimulation signal is released to the to-be-stimulated point of the brain of the patient through the electrode plate 2, the preset stimulation signal is circularly stimulated on the brain of the patient, the brain of the patient is stimulated, the function of recovering the brain is helped, and treatment or rehabilitation is realized.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and all such changes are intended to be within the scope of the following claims.

Claims

1. The split stimulation electrode is characterized in that the split stimulation electrode is provided with a stimulation end and a connecting end which are opposite, a plurality of electrode plates for applying electric stimulation are arranged on the outer peripheral surface of the stimulation end of the split stimulation electrode, each electrode plate is respectively provided with a connecting point for connecting a lead of the electrode plate, the plurality of electrode plates penetrating through the same radial plane of the split stimulation electrode form a group of electrode plates, and in at least one group of electrode plates, the shape of the connecting point of at least one electrode plate is different from the shape of the connecting points of the rest electrode plates so as to be capable of distinguishing the plurality of electrode plates in the group.

2. The split-type stimulation electrode according to claim 1, wherein the connection point of each of the plurality of electrode pieces is different in shape, or the connection point of each of the set of electrode pieces is different in shape.

3. The split stimulation electrode is characterized in that the split stimulation electrode is provided with a stimulation end and a connecting end which are opposite, a plurality of electrode plates for applying electric stimulation are arranged on the outer peripheral surface of the stimulation end of the split stimulation electrode, each electrode plate is respectively provided with a connecting point or a connecting point combination for connecting a lead of the electrode plate, each connecting point combination comprises at least two connecting points, the electrode plates penetrating through the same radial plane of the split stimulation electrode are a group of electrode plates, and in at least one group of electrode plates, the shape of the connecting point combination of at least one electrode plate is different from the shape of the connecting points of the other electrode plates or the shape of the connecting point combination is different so as to distinguish the electrode plates in the group.

4. The split stimulation electrode according to claim 3, wherein the shape of the connection point combination of at least one electrode piece is different from the shape of the connection points of the other electrode pieces or the shape of the connection point combination comprises any one of: the shape of the connection point in the connection point combination of at least one electrode sheet is different from the shape of the connection point of the other electrode sheet or the shape of the connection point in the connection point combination, or the shape of the connection point position in the connection point combination of at least one electrode sheet is different from the connection point position of the other electrode sheet or the shape of the connection point position in the connection point combination.

5. The segmented stimulation electrode according to claim 4, wherein a trace is disposed between the connection points of the connection point combination, and the trace is embedded in the segmented stimulation electrode.

6. The split stimulation electrode according to claim 1 or 3, wherein the electrode sheet lead is embedded in the split stimulation electrode, the connection points include via holes formed on the split stimulation electrode and conductive layers located in the via holes, each electrode sheet is electrically connected to the corresponding electrode sheet lead through the conductive layer in the via hole, and the connection points are in the shape of the via holes.

7. The segmented stimulation electrode according to claim 3, wherein one of the connection point combinations is connected to an electrode pad lead, the connection point connected to the electrode pad lead comprises a via hole formed on the segmented stimulation electrode and a conductive layer located in the via hole, the electrode pad is electrically connected to the corresponding electrode pad lead through the conductive layer in the via hole, the connection point connected to the electrode pad lead is in the shape of the via hole, and the connection point connected to the electrode pad lead is located at the position of the via hole;

8. The segmented stimulation electrode according to claim 6, wherein the conductive layer is formed on an inner wall of the via hole, and the via hole filled with the conductive layer is a hollow hole.

9. The segmented stimulation electrode according to claim 8, wherein the inner wall of the via hole is a rounded inner wall.

10. The segmented stimulation electrode according to claim 6, wherein the connection points are in the shape of a radial cross section of the via holes, and the radial cross section of the via holes is in the shape of a rounded rectangle, a circle, an ellipse, a rounded triangle or a rounded diamond.

11. The split-type stimulation electrode according to claim 1 or 3, wherein the connection point of at least one electrode patch in the set of electrode patches has a directional mark for distinguishing the plurality of electrode patches in the set of electrode patches.

12. The split stimulation electrode according to claim 1 or 3, wherein the plurality of electrode slices are arranged at intervals in an array in a flattened state of the stimulation end of the split stimulation electrode, and each electrode slice has the same shape.

13. The split stimulation electrode according to claim 1 or 3, wherein the plurality of electrode sheets are arranged at intervals in an array in a flattened state of the stimulation end of the split stimulation electrode, and the connection points of the plurality of electrode sheets in a row in the length direction of the split stimulation electrode are identical in shape.

14. The split stimulation electrode according to claim 1 or 3, wherein the split stimulation electrode comprises 2-10 sets of electrode pads, the set of electrode pads comprising 2-10 electrode pads.

15. A stimulation system, comprising: a stimulator, a lead and a stimulation electrode, wherein the stimulator is connected with the stimulation electrode through the lead, and the stimulation electrode is the split stimulation electrode as claimed in any one of claims 1 to 14.