CN210813498U - Flat-bottom semi-ring electrode contact and processing device thereof - Google Patents
Flat-bottom semi-ring electrode contact and processing device thereof Download PDFInfo
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- CN210813498U CN210813498U CN201921160534.5U CN201921160534U CN210813498U CN 210813498 U CN210813498 U CN 210813498U CN 201921160534 U CN201921160534 U CN 201921160534U CN 210813498 U CN210813498 U CN 210813498U
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Abstract
The utility model relates to a flat-bottom semi-ring electrode contact piece and a processing device thereof, wherein the upper parts of the electrode contact pieces (1, 4) are provided with opening ends (2, 5), the opening ends at both sides are internally folded and are in an encircling shape, and the end surface of the opening end is in a smooth curve shape; the processing device comprises a sheet stamping die (7), the sheet stamping die (7) comprises a first male die (701), a second male die (702), a third male die (703) and a first female die (704), the first female die (704) is respectively matched with the first male die (701), the second male die (702) and the third male die (703), and two ends of the transverse section of the first male die (701) are in a smooth curve shape; the curve shape is a concave shape or a convex shape. Compared with the prior art, the utility model has the advantages of the shape of moulding plastics firmly, adaptation cochlea more, difficult production twist reverse, guaranteed to have great area of contact with the cochlea.
Description
Technical Field
The utility model relates to an active electrical stimulation medical instrument field and hearing implantation field especially relate to a flat semi-ring electrode contact and processingequipment thereof.
Background
The cochlear implant electrode arrays used in the world currently employ three types of contacts, one is spherical, the other is annular, and the other is sheet-shaped. The spherical contact electrode array has small exposed area, large power consumption and insufficient stimulation. The annular contact electrode array is stimulated in a whole circle, although the exposed area is large, the annular contact electrode array can cause excitation of nerves except auditory nerves, and the stimulation purpose is influenced. The exposed area of the sheet-shaped contact electrode array is between the spherical contact electrode array and the annular contact electrode array, and the whole circle stimulation is not performed, so that the stimulation effect is good, and the power consumption is small. In the prior art, a sheet-shaped contact array is adopted, contacts of the contact array are arc-shaped sheets, the arc-shaped sheets are adhered to the surface of silica gel, are not inverted and are easy to fall off, and the bottom of the contact array is arc-shaped, so that the orientation is poor during implantation, torsion is easy to generate, the purpose of exciting the effect in the direction close to the axis of the volute cannot be achieved, and the stimulation effect is influenced.
The patent with granted publication number CN208756784U discloses a cochlear implant microbend electrode, the electrode contacts of which include two kinds: the back hook part of the back hook-shaped electrode is provided with a first lateral hole and a second lateral hole, and the inner side of the bottom of the back hook-shaped electrode is connected with the stimulating electrode lead through a first welding spot; and the U-shaped electrode is provided with a third lateral hole and a fourth lateral hole at two sides of the U-shaped electrode, and the inner side of the bottom of the U-shaped electrode is connected with the stimulating electrode lead through a second welding spot. On the basis of ensuring the proper contact area of the two electrode contacts, the injection molding combination of the electrode contacts and the silica gel is firmer.
The electrode contact disclosed in this patent still suffers from the following disadvantages: 1. the contact area of the contact is small; 2. it cannot fit the shape of the cochlea.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flat-bottom semi-ring electrode contact piece and a processing device thereof, which have large contact area and are firmly combined with silica gel by injection molding, in order to overcome the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the flat-bottom semi-ring electrode contact piece is characterized in that an opening end is arranged at the upper part of the electrode contact piece, the opening ends at two sides are internally contracted and are in an encircling shape, and the end face of the opening end is in a smooth curve shape.
Further, the curved line is concave or convex.
Furthermore, the concave shape comprises a first protrusion, a first groove and a second protrusion which are connected in sequence, and the joint of the first protrusion, the first groove and the second protrusion is a smooth curved surface.
Further, the convex font comprises a middle bulge, and the joint of the middle bulge and the edge of the opening end is a smooth curved surface.
Further, the bottom surface of the electrode contact piece is a plane.
The embodiment provides a processing device for manufacturing the flat-bottom semi-ring electrode contact piece, which comprises a sheet material stamping die, wherein the sheet material stamping die comprises a first male die, a second male die, a third male die and a first female die, the first female die is respectively matched with the first male die, the second male die and the third male die, and two ends of the transverse section of the first male die are in a smooth curve shape.
Further, the curved line is concave or convex.
Further, the longitudinal section of the first male die is rectangular, the longitudinal section of the second male die is rectangular-like, and the rectangular-like shape is a shape that two feet of the rectangular bottom surface are circular arcs.
Further, the longitudinal section of the third male die is a rectangle, a connecting section and an ellipse-like shape which are sequentially connected, and the bottom surface of the ellipse-like shape is a planar shape.
Further, first die includes that vertical main cross sectional shape is cylindrical, and first recess, second recess and the third recess that connects gradually, the diameter of the cylindrical cross section of three recess reduces in proper order, the bottom surface of first recess and second recess is smooth curved surface with the junction of side, first recess respectively with first terrace die and second terrace die phase-match, second recess and third terrace die phase-match.
Compared with the prior art, the utility model discloses have with following beneficial effect:
(1) the utility model discloses flat-bottom semi-ring electrode contact is equipped with the adduction open end that is the form of embracing, and the terminal surface of both sides open end is smooth curvilinear figure, and this curvilinear figure makes electrode contact difficult removal in moulding plastics, has guaranteed the stability of contact.
(2) The utility model discloses flat semi-ring electrode contact both sides open end is level and smooth character cut in bas-relief or type, on guaranteeing to mould plastics firm basis, the shape of adaptation cochlea more.
(3) The bottom of the flat-bottom semi-ring electrode contact plate of the utility model is a plane, which satisfies the directional stimulation and avoids the stimulation facial nerve.
(4) The flat-bottom semi-ring electrode contact piece of the utility model integrally ensures that the contact area with the cochlea is larger.
(5) The utility model discloses the structure is convenient to be added, can conveniently weld the metal seal wire simultaneously.
(6) The utility model discloses processing manufacturing method is simple reliable, can obtain the flat semi-ring electrode contact that satisfies the demands.
Drawings
FIG. 1 is a schematic view of a flat-bottom semi-ring electrode contact plate with two side openings in a shape of a smooth Chinese character 'ao';
FIG. 2 is a top view of the flat-bottom semi-ring electrode contact plate with two side openings in a shape of a smooth Chinese character 'ao';
FIG. 3 is a front view of the flat-bottom semi-ring electrode contact plate of the present invention with two side openings in a shape of a smooth Chinese character 'ao';
FIG. 4 is a left side view of the flat-bottom semi-ring electrode contact plate of the present invention with two side openings in a shape of a smooth Chinese character 'ao';
FIG. 5 is a bottom view of the flat-bottom semi-ring electrode contact plate of the present invention with two open ends in a shape of a smooth Chinese character 'ao';
FIG. 6 is a schematic view of the flat-bottom semi-ring electrode contact with smooth convex-shaped open ends at both sides of the present invention;
FIG. 7 is a top view of the flat-bottom semi-ring electrode contact plate of the present invention with two side openings in a smooth convex shape;
FIG. 8 is a front view of the flat-bottom semi-ring electrode contact plate of the present invention with two side openings in a smooth convex shape;
FIG. 9 is a left side view of the flat-bottom semi-ring electrode contact plate of the present invention with two side openings in a smooth convex shape;
fig. 10 is a bottom view of the flat-bottom semi-ring electrode contact plate of the present invention with two side openings in a smooth convex shape;
FIG. 11 is a schematic view of a sheet stamping die of the present invention;
fig. 12 is a cross-sectional view of the first female die of the present invention;
FIG. 13 is a cross-sectional view of a first male mold of the present invention;
FIG. 14 is a cross-sectional view of a second male mold of the present invention;
FIG. 15 is a sectional view of a third male die of the present invention;
FIG. 16 is a cross-sectional view of a profile tube of the present invention;
fig. 17 is a schematic view of a state of use of the laser cutter for cutting the profile modeling tube according to the embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1, 2, 3 and 5, the present embodiment provides a flat-bottom half-ring electrode contact with two smooth concave-shaped open ends, wherein the open end 2 is arranged on the upper portion of the electrode contact 1, the open ends are closed and encircled, and the open end is a smooth concave-shaped 201.
As shown in fig. 4, the glyph 201 includes a first protrusion 2011, a first groove 2012 and a second protrusion 2013 which are connected in sequence, and the joint of the first protrusion 2011, the first groove 2012 and the second protrusion 2013 is a smooth curved surface.
As shown in fig. 3, the bottom surface 3 of the electrode pad is a flat surface.
Example 2
As shown in fig. 6, 7, 8 and 10, the present embodiment provides a flat-bottom half-ring electrode contact with smooth and convex open ends on both sides, wherein the open end 5 is provided on the upper portion of the electrode contact 4, the open ends on both sides are closed and surround, and the open end is smooth and convex 501.
As shown in fig. 9, the glyph 501 includes a middle protrusion 5011 whose junction with the edge of the open end is a smooth curved surface.
As shown in fig. 8, the bottom surfaces 6 of the electrode pads are flat.
The flat-bottom semi-ring electrode contact can be manufactured by the following method, comprising the following steps of:
s1: as shown in fig. 16, a profile pipe 9 is obtained, the cross section of which is an ellipse-like shape, the bottom side of which is a straight line shape;
s2: as shown in fig. 17, the profiling tube is cut by a laser cutter 8, and the profiling tube is axially fed and rotated left and right during the cutting process, so that a flat-bottom half-ring electrode contact with two side open ends in a smooth convex shape or a flat-bottom half-ring electrode contact with two side open ends in a smooth concave shape is obtained.
Example 3
The embodiment provides a processing device for manufacturing a flat-bottom semi-ring electrode contact, which comprises a sheet material stamping die 7.
As shown in fig. 11, the sheet material stamping die 7 includes a first male die 701, a second male die 702, a third male die 703, and a first female die 704. The first female die 704 is fitted with the first male die 701, the second male die 702 and the third male die 703, respectively. Both ends of the transverse cross section of the first male die 701 are in a smooth concave shape 201 or a smooth convex shape 501.
The following describes the components in detail:
1. first concave die
As shown in fig. 12, the first female die 704 includes a first groove 7041, a second groove 7042, and a third groove 7043, which have a cylindrical longitudinal main cross-sectional shape and are sequentially connected, the diameters of the cylindrical cross-sections of the three grooves are sequentially reduced, the junction between the bottom surfaces and the side surfaces of the first groove 7041 and the second groove 7042 is a smooth curved surface, the first groove 7041 is respectively matched with the first male die 701 and the second male die 702, and the second groove 7042 is matched with the third male die 703.
2. First male die
As shown in fig. 13, the longitudinal section of the first punch 701 is rectangular.
3. Second male die
As shown in fig. 14, the longitudinal cross section of the second punch 702 is a rectangle 7021 like shape in which both legs of the rectangular bottom surface are circular arcs.
4. Third male die
As shown in fig. 15, the longitudinal section of the third male die 703 is a rectangle 7031, a connecting section 7032, and an ellipse-like 7033, which are connected in this order, and the bottom surface of the ellipse-like shape is a planar shape.
The method for manufacturing the flat-bottom semi-ring electrode contact by adopting the processing device comprises the following steps:
s1, obtaining platinum-iridium alloy as a raw material;
s2: putting the platinum-iridium alloy into the combination of a first male die 701 and a first female die 704 for stamping to obtain a platinum-iridium alloy plate, wherein two ends of the platinum-iridium alloy plate are in a smooth concave shape 201 or a smooth convex shape 501;
s3: putting the platinum-iridium alloy plate into the combination of the second male die 702 and the first female die 704 for stamping, so that two ends of the platinum-iridium alloy plate are bent to obtain a platinum-iridium alloy plate with two bent ends;
s4: the platinum-iridium alloy plates with two bent ends are placed into the combination of the third male die 703 and the first female die 704 for stamping, so that the platinum-iridium alloy plates with two bent ends are bent for the second time,
when two ends of the transverse cross section of the first male die 701 are in a smooth concave shape 201, obtaining a flat-bottom half-ring electrode contact with two open ends in a smooth concave shape;
when two ends of the transverse cross section of the first male die 701 are in a smooth convex shape 501, obtaining a flat-bottom half-ring electrode contact with two open ends in a smooth convex shape;
s5: and deburring the obtained flat-bottom semi-ring electrode contact by adopting ultrasonic waves.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The flat-bottom semi-ring electrode contact is characterized in that open ends (2, 5) are arranged at the upper parts of the electrode contacts (1, 4), the open ends at two sides are internally contracted and are in an encircling shape, and the end surfaces of the open ends are in a smooth curve shape.
2. The flat bottom half-ring electrode contact of claim 1, wherein the curved shape is a concave shape (201) or a convex shape (501).
3. The flat-bottom half-ring electrode contact blade as claimed in claim 2, wherein the concave shape (201) comprises a first protrusion (2011), a first groove (2012) and a second protrusion (2013) which are connected in sequence, and the joint of the first protrusion (2011), the first groove (2012) and the second protrusion (2013) is a smooth curved surface.
4. The flat bottom half-ring electrode contact as claimed in claim 2, wherein the raised pattern (501) comprises a central protrusion (5011) that is smoothly curved at its junction with the edge of the open end.
5. The flat bottom half-ring electrode contact according to claim 1, wherein the bottom surfaces (3, 6) of the electrode contact are planar.
6. A processing device for manufacturing a flat-bottom half-ring electrode contact as defined in any one of claims 1-5, comprising a sheet material stamping die (7), wherein the sheet material stamping die (7) comprises a first male die (701), a second male die (702), a third male die (703) and a first female die (704), the first female die (704) is respectively matched with the first male die (701), the second male die (702) and the third male die (703), and both ends of the transverse section of the first male die (701) are in a smooth curve shape.
7. The apparatus for processing the flat bottom half-ring electrode contact according to claim 6, wherein the curved shape is a concave shape or a convex shape.
8. The processing device of the flat-bottom half-ring electrode contact as claimed in claim 6, wherein the longitudinal section of the first male die (701) is rectangular, and the longitudinal section of the second male die (702) is rectangular-like (7021), and the rectangular-like shape has a rectangular bottom surface with two circular arc legs.
9. The processing device of the flat-bottom half-ring electrode contact piece according to claim 6, wherein the longitudinal section of the third male die (703) is a rectangle (7031), a connecting section (7032) and an ellipse-like (7033) which are connected in sequence, and the bottom surface of the ellipse-like is in a planar shape.
10. The processing device of the flat-bottom half-ring electrode contact piece as claimed in claim 6, wherein the first female die (704) comprises a first groove (7041), a second groove (7042) and a third groove (7043) which are cylindrical in longitudinal main cross section and are sequentially connected, the diameters of the cylindrical cross sections of the three grooves are sequentially reduced, the junction of the bottom surface and the side surface of the first groove (7041) and the second groove (7042) is a smooth curved surface, the first groove (7041) is respectively matched with the first male die (701) and the second male die (702), and the second groove (7042) is matched with the third male die (703).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921160534.5U CN210813498U (en) | 2019-07-23 | 2019-07-23 | Flat-bottom semi-ring electrode contact and processing device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921160534.5U CN210813498U (en) | 2019-07-23 | 2019-07-23 | Flat-bottom semi-ring electrode contact and processing device thereof |
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| CN210813498U true CN210813498U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237419A (en) * | 2019-07-23 | 2019-09-17 | 上海华聆人工耳医疗科技有限公司 | Flat half-ring electrodes contact and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237419A (en) * | 2019-07-23 | 2019-09-17 | 上海华聆人工耳医疗科技有限公司 | Flat half-ring electrodes contact and preparation method thereof |
| CN110237419B (en) * | 2019-07-23 | 2024-05-03 | 上海华聆人工耳医疗科技有限公司 | Flat-bottom semi-ring electrode contact and manufacturing method thereof |
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