CN114287948A - Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode - Google Patents
Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode Download PDFInfo
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- CN114287948A CN114287948A CN202111625527.XA CN202111625527A CN114287948A CN 114287948 A CN114287948 A CN 114287948A CN 202111625527 A CN202111625527 A CN 202111625527A CN 114287948 A CN114287948 A CN 114287948A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007790 scraping Methods 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 28
- 229920003023 plastic Polymers 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005347 demagnetization Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 4
- 210000005036 nerve Anatomy 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention discloses a needle electrode manufacturing method, a needle electrode demagnetizing device and a needle electrode, wherein the needle electrode comprises a needle tube, a conductive wire concentrically arranged in an inner cavity of the needle tube and insulated from the needle tube, and a needle base arranged at the tail end of the needle tube, the needle base is provided with a socket, and an electrode electrically connected with the conductive wire and the needle tube is arranged in the socket, the method comprises the following steps: s1: gluing the surface of the conductive wire, penetrating the conductive wire into the needle tube, and keeping one end of the conductive wire extending out of the tail end of the needle tube; s2: scraping off the coating on the partial surface of the conductive wire extending out of the needle tube; s3: grinding a needle tip at the front end of the needle tube; s4: mechanically and electrically connecting the tail end of the needle tube and the needle seat to form a needle electrode; s5: enabling the needle electrode to pass through a door type demagnetizer to perform demagnetizing treatment on the needle electrode; s6: and (6) testing. The invention can demagnetize and test the needle electrode efficiently.
Description
Technical Field
The invention relates to the field of needle electrodes, in particular to a needle electrode manufacturing method, a needle electrode demagnetizing device and a needle electrode.
Background
The concentric needle electrode is comprised of a conductive needle tube (e.g., a stainless steel needle tube) and a conductive wire (e.g., made of stainless steel, silver, or platinum) located in the lumen of the needle tube. An insulating layer is arranged between the needle tube and the conductive wire. The needle tube is connected with a needle base, and a positive electrode and a negative electrode are integrated in the needle base. The tip of the conductive wire is exposed and is flush with the front end of the needle tube. The needle tube and the conductive wire are respectively electrically connected with the electrode in the needle base. After the pin electrode is assembled, whether the pin electrode is conducted or not and whether the pin electrode is short-circuited or not need to be tested. The needle electrode is used for collecting human muscle nerve current signals, is weak and is easily subjected to electromagnetic interference. The needle electrode is demagnetized, so that the magnetism carried by the needle electrode can be eliminated, and the interference on the collected nerve signals is avoided. How to demagnetize and test efficiently is also one of the problems to be faced in the art.
Disclosure of Invention
To solve at least one problem of the prior art, according to an aspect of the present invention, a needle electrode manufacturing method is provided.
The needle electrode manufacturing method comprises the following steps:
s1: gluing the surface of the conductive wire, penetrating the conductive wire into the needle tube, and keeping one end of the conductive wire extending out of the tail end of the needle tube;
s2: scraping off the coating on the partial surface of the conductive wire extending out of the needle tube;
s3: grinding a needle tip at the front end of the needle tube;
s4: mechanically and electrically connecting the tail end of the needle tube and the needle seat to form a needle electrode;
s5: enabling the needle electrode to pass through a door type demagnetizer to perform demagnetizing treatment on the needle electrode;
s6: and (6) testing.
In some embodiments, in step S4, the assembled needle electrodes are placed on a plastic carrier disk comprising: the lower base plate is provided with a plurality of conical holes for accommodating the needle bases, each conical hole comprises an upper orifice and a lower orifice, and the caliber of each lower orifice is smaller than that of each upper orifice; the upper covering plate is detachably covered on the lower base plate, a through hole coaxial with the conical hole is formed in the upper covering plate, and the diameter of the through hole is between the maximum outer diameter of the needle base and the inner diameter of the socket; the needle tube of the needle electrode passes through the conical hole, the needle base is supported in the conical hole, the upper covering plate covers the lower base plate, and the needle base is limited in the conical hole.
In some embodiments, in step S5, the plastic carrier plates are inverted and placed on a conveyor belt that transports the plastic carrier plates carrying the needle electrodes through a door degausser.
In some embodiments, step S6 further includes:
s61: providing a container and an ohmmeter, wherein conductive liquid is filled in the container, the ohmmeter is provided with a plug matched with the needle base, and the plug can be electrically connected with the needle electrode in a mode of being inserted into a socket of the needle base;
s62: arranging the plastic carrier disc carrying the needle electrode at the opening of the container, and keeping the needle point of the needle electrode immersed in the conductive liquid;
s63: and inserting the plugs of the ohmmeter into the sockets of the pin electrodes on the plastic carrying disc one by one, measuring the resistance of the pin electrodes, and judging whether the pin electrodes are conducted or not and whether the pin electrodes are short-circuited or not according to the resistance values.
In some embodiments, the plug of the ohmmeter used in step S61 includes:
the insulating body is internally provided with a hole concentric with the insulating body;
a third electrode disposed on an inner wall of the hole; and
the fourth electrode is arranged on the outer wall of the insulating body;
the third electrode and the fourth electrode are respectively and electrically connected with two poles of the ohmmeter;
the electrode of needle electrode includes first electrode and second electrode, and the first electrode is the column electrode, and the second electrode is the shell fragment electrode that sets up in first electrode both sides, and when the plug inserted in the socket, first electrode can the downthehole and contact with the third electrode, and the second motor can contact with the fourth electrode.
In some embodiments, the container has a mouth with at least two rotatable latches at two opposite positions, each latch comprises a latch plate and a locking portion disposed at the inner side of the latch plate, and the locking portion hooks the edge of the upper cover plate to lock the lower base plate and the upper cover plate to the mouth of the container.
According to another aspect of the present invention, there is provided a demagnetizing device for a needle electrode, the needle electrode including a needle tube, a conductive wire concentrically disposed in an inner cavity of the needle tube and insulated from the needle tube, and a hub disposed at a trailing end of the needle tube, comprising: a gate-type demagnetizer; a conveyor belt passing through the gate-type demagnetizer; and a plastic carrier disc arranged on the conveyor belt; wherein, plastics carry dish includes: the lower base plate is provided with a plurality of conical holes for accommodating the needle bases, each conical hole comprises an upper orifice and a lower orifice, and the caliber of each lower orifice is smaller than that of each upper orifice; and the upper covering plate is detachably covered on the lower base plate, a through hole coaxial with the conical hole is arranged on the upper covering plate, and the diameter of the through hole is smaller than the maximum outer diameter of the needle seat.
According to another aspect of the present invention, there is provided a needle electrode prepared by the above method.
The beneficial effects of the invention include:
(1) in the manufacturing process of the needle electrode, a door type demagnetizer is used for demagnetizing so as to eliminate magnetism carried by the needle electrode;
(2) the assembly of the needle electrodes is manually completed, one needle electrode is assembled in each group, the needle electrodes are conveniently placed into the conical holes of the lower bottom plate of the carrying disc, after the lower bottom plate is filled with the needle electrodes, the upper covering plate is covered to limit the needle electrodes on the carrying disc, a plurality of needle electrodes can be loaded on the carrying disc at one time, and the demagnetization and the test of the rear needle electrodes are completed on the carrying disc, so that the production efficiency is improved;
(3) in the testing step, the pin electrodes are fixed, the plug of the ohmmeter is connected with the pin electrodes on the carrying disc in a plug-pull mode one by one, when the number of the ohmmeter is close to 0, the pin electrodes are indicated to be short-circuited, and when the number of the ohmmeter is large, the pin electrodes are indicated to be open-circuited.
Drawings
Fig. 1 is a cross-sectional view of a needle electrode according to an embodiment of the present invention.
Fig. 2 is a flowchart of a method of manufacturing a needle electrode according to an embodiment of the present invention.
Fig. 3 is a schematic view of the needle electrode manufacturing method according to the embodiment of the present invention, in which the needle electrode is mounted on the carrier tray.
Fig. 4 is a schematic view of a pin electrode degaussing apparatus according to an embodiment of the present invention.
Fig. 5 is a flowchart of testing a needle electrode in the needle electrode manufacturing method according to an embodiment of the present invention.
Fig. 6 is a schematic view of a test pin electrode in the pin electrode manufacturing method according to an embodiment of the present invention.
Fig. 7 is a partial cross-sectional view of a plug of an ohmmeter used in a method of manufacturing a needle electrode according to an embodiment of the present invention.
Description of the symbols:
the needle tube 1, the conductive wire 2, the needle base 3, the socket 4, the first electrode 5, the second electrode 6, the door type demagnetizer 7, the plastic carrier disc 8, the lower base plate 9, the taper hole 10, the upper cover plate 11, the through hole 12, the conveyor belt 13, the container 14, the ohmmeter 15, the insulating body 16, the hole 17, the third electrode 18, the fourth electrode 19, the lock catch 20 and the clamping part 21
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The needle electrode of the present invention is a concentric needle electrode applied to the field of neuroelectrophysiology, and referring to fig. 1, the needle electrode includes a needle tube 1, a conductive wire 2 concentrically disposed in an inner cavity of the needle tube 1 and insulated from the needle tube 1, and a needle hub 3 disposed at the tail end of the needle tube 1. The needle base 3 is provided with a socket 4, and an electrode electrically connected with the conductive wire 2 and the needle tube 1 is arranged in the socket 4. For example, the electrodes include a first electrode 5 and a second electrode 6, the first electrode 5 being a cylindrical electrode concentrically disposed within the socket 4; the second electrode 6 is a spring plate electrode, and is arranged on two sides of the first electrode 5. Specifically, the needle holder 3 is made of insulating plastic, and one end of the needle holder is connected with the needle tube 1, and the other end of the needle holder is provided with a socket 4. When the acquisition of the nerve current is carried out, the needle electrode is connected with an external lead wire in a plug-in type mechanical connection and an electrical connection mode through the socket 4 of the needle base 3, the first electrode 5 and the second electrode 6.
Referring to fig. 2, the method for manufacturing a needle electrode of the present invention includes the following steps:
s1: gluing the surface of the conductive wire 2, penetrating the conductive wire 2 into the needle tube 1, and keeping one end of the conductive wire 2 extending out from the tail end of the needle tube 1;
s2: scraping off the coating on the partial surface of the conductive wire 2 extending out of the needle tube 1;
s3: grinding a needle tip at the front end of the needle tube 1;
s4: mechanically and electrically connecting the tail end of the needle tube 1 and the needle seat 3 to form a needle electrode;
s5: the pin electrode is demagnetized through a door type demagnetizer 7;
s6: and (6) testing.
After the glue between the conductive wire 2 and the needle tube 1 is cured, an insulating layer is formed between the conductive wire 2 and the needle tube 1. The surface of the conductive wire 2 is provided with a coating insulation layer, the surface coating of the extending end of the conductive wire 2 is scraped, the conductive part is exposed, and the conductive wire 2 and the electrode of the needle electrode are conveniently welded.
In some embodiments, referring to fig. 3, in step S4, the assembled needle electrodes are placed on a plastic carrier tray 8, the plastic carrier tray 8 comprising:
the lower base plate 9, there are multiple conical holes 10 used for accepting the needle file 3 on the lower base plate 9, the conical hole 10 includes upper orifice and lower orifice, the bore of the lower orifice is smaller than the bore of the upper orifice; and
an upper covering plate 11 detachably covered on the lower bottom plate 9, wherein a through hole 12 coaxial with the tapered hole 10 is arranged on the upper covering plate 11, and the diameter of the through hole 12 is between the maximum outer diameter of the needle base 3 and the inner diameter of the socket 4;
wherein the needle tube 1 of the needle electrode passes through the tapered hole 10, the needle holder 3 is supported in the tapered hole 10, the upper cover plate 11 is covered on the lower bottom plate 9, and the needle holder 3 is limited in the tapered hole 10.
The needle tube 1 of the needle electrode passes through the tapered hole 10, and the hub 3 is received by the tapered hole 10 and supported by the lower plate 9. When the upper cover plate 11 is covered on the lower bottom plate 9, the needle base 3 of the needle electrode is limited in the conical hole 10, so that the needle electrode is loaded on the plastic carrying disc 8. When the carrying disc is arbitrarily turned over, the needle electrode does not separate from the plastic carrying disc 8. The lower bottom plate 9 and the upper cover plate 11 can be detachably connected by adopting a common clamping mode. The diameter of the through hole 12 is between the maximum outer diameter and the inner diameter of the socket 4, so that the needle electrode can be prevented from being separated from the through hole 12 when the carrier disc is turned over, and the socket 4 can be exposed to facilitate the electrical property of the rear test needle electrode.
In some embodiments, referring to fig. 4, in step S5, the plastic carrier plate 8 is placed on the conveyor belt 13 after being inverted, and the conveyor belt 13 conveys the plastic carrier plate 8 carrying the needle electrodes through the gate demagnetizer 7. The gate-type demagnetizer 7 is a gantry-shaped through-type demagnetizer. When demagnetizing, the carrying disc carrying the needle electrode is placed on the conveyor belt 13 at a certain position in front of the coil, and when the coil is energized, the carrying disc slowly passes through the coil along the track and is away from the coil to a certain distance. The door demagnetizer 7 is prior art and will not be described in detail herein.
In some embodiments, referring to fig. 5 and 6, step S6 further includes:
s61: providing a container 14 and an ohmmeter 15, wherein the container 14 is filled with conductive liquid, the ohmmeter 15 is provided with a plug 22 matched with the needle stand 3, and the plug 22 can be electrically connected with the needle electrode in a mode of being inserted into the socket 4 of the needle stand 3;
s62: arranging the plastic carrier disc 8 carrying the needle electrode at the opening of the container 14, and keeping the needle point of the needle electrode immersed in the conductive liquid;
s63: the plugs 22 of the ohmmeter 15 are inserted into the sockets 4 of the pin electrodes on the plastic carrier disk 8 one by one, the resistance of each pin electrode is measured, and whether the pin electrodes are conducted or not and whether the pin electrodes are short-circuited are judged according to the resistance values.
The conductive liquid may be tap water, or physiological pressurized water. The assembly of the needle electrodes is manually completed, one needle electrode is assembled in each group, the needle electrodes are conveniently placed into the tapered holes 10 of the lower bottom plate 9 of the carrying disc, after the lower bottom plate 9 is filled with the needle electrodes, the upper cover plate 11 is covered to limit the needle electrodes on the carrying disc, a plurality of needle electrodes can be carried on the carrying disc at one time, the demagnetization and the test of the subsequent needle electrodes are completed on the carrying disc, and the production efficiency is improved. In the testing step, the pin electrodes are fixed, and the plugs 22 of the ohmmeter 15 are connected with the pin electrodes on the carrier disc in a plug-in manner one by one. When the reading of the ohmmeter 15 is close to 0 or large, it indicates that the pin electrode is short-circuited or open-circuited, and the solder joint in the pin electrode is defective.
In some embodiments, referring to fig. 7, the plug 22 of the ohmmeter 15 used in step S61 includes:
the insulation body 16, wherein a hole 17 concentric with the insulation body 16 is arranged in the insulation body 16;
a third electrode 18 disposed on an inner wall of the hole 17; and
a fourth electrode 19 disposed on an outer wall of the insulating body 16;
the third electrode 18 and the fourth electrode 19 are respectively electrically connected with two poles of the ohmmeter 15; the first electrode 5 is a columnar electrode, the second electrode 6 is a spring electrode located on both sides of the first electrode 5, and when the plug 22 is inserted into the jack 4, the first electrode 5 can be inserted into the hole 17 and contact with the third electrode 18, and the second electrode 6 can contact with the fourth electrode 19. The pin electrode is fixed on the plastic carrying disc 8, and the plug 22 of the ohmmeter 15 is connected with the socket 4 of the pin electrode in a plug-in manner, so that the testing efficiency is improved.
In some embodiments, referring to fig. 6, at least two rotatable locking buckles 20 are disposed at two opposite positions on the outer edge of the mouth of the container 14, each locking buckle 20 includes a locking buckle 20 plate and a fastening portion 21 disposed at the inner side of the locking buckle 20 plate, and the fastening portion 21 hooks the edge of the upper covering plate 11 to lock the lower base plate 9 and the upper covering plate 11 to the mouth of the container 14. The plastic carrying disc 8 and the container 14 are quickly and detachably connected, and the testing efficiency is improved.
According to another aspect of the present invention, there is provided a pin electrode demagnetizing device including:
a gate-type demagnetizer 7;
a conveyor belt 13 passing through the door demagnetizer 7; and
a plastic carrier disk 8 arranged on the conveyor belt 13; wherein, plastics carrier disc 8 includes:
the lower base plate 9, there are multiple conical holes 10 used for accepting the needle file 3 on the lower base plate 9, the conical hole 10 includes upper orifice and lower orifice, the bore of the lower orifice is smaller than the bore of the upper orifice; and
an upper cover plate 11 detachably covered on the lower bottom plate 9, a through hole 12 coaxial with the taper hole 10 is arranged on the upper cover plate 11, and the diameter of the through hole 12 is smaller than the maximum outer diameter of the needle seat 3.
According to another aspect of the present invention, there is provided a needle electrode prepared by the above method.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The needle electrode manufacturing method is characterized by comprising the following steps of:
s1: gluing the surface of the conductive wire, penetrating the conductive wire into a needle tube, and keeping one end of the conductive wire extending out of the tail end of the needle tube;
s2: scraping off the coating on the partial surface of the conductive wire extending out of the needle tube;
s3: grinding a needle tip at the front end of the needle tube;
s4: mechanically and electrically connecting the tail end of the needle tube and the needle seat to form a needle electrode;
s5: enabling the needle electrode to pass through a door type demagnetizer to perform demagnetizing treatment on the needle electrode;
s6: and (6) testing.
2. The needle electrode manufacturing method of claim 1, wherein in step S4, the assembled needle electrode is placed on a plastic carrier tray comprising:
the lower base plate is provided with a plurality of conical holes for accommodating the needle bases, each conical hole comprises an upper orifice and a lower orifice, and the caliber of each lower orifice is smaller than that of each upper orifice; and
the upper covering plate is detachably covered on the lower base plate, a through hole coaxial with the conical hole is formed in the upper covering plate, and the diameter of the through hole is between the maximum outer diameter of the needle base and the inner diameter of the socket;
wherein the needle tube of the needle electrode passes through the tapered hole, the needle seat is supported in the tapered hole, the upper covering plate is covered on the lower base plate, and the needle seat is limited in the tapered hole.
3. The needle electrode manufacturing method according to claim 2, wherein in step S5, the plastic carrier plate is placed upside down on a conveyor belt, and the conveyor belt conveys the plastic carrier plate carrying the needle electrode through a gate-type demagnetizer.
4. The needle electrode manufacturing method according to claim 2, wherein step S6 further includes:
s61: providing a container and an ohmmeter, wherein conductive liquid is filled in the container, the ohmmeter is provided with a plug matched with the needle seat, and the plug can be electrically connected with the needle electrode in a mode of being inserted into a socket of the needle seat;
s62: arranging a plastic carrying disc carrying the needle electrode at the opening of the container, and keeping the needle point of the needle electrode immersed in the conductive liquid;
s63: and inserting the plugs of the ohmmeter into the sockets of the pin electrodes on the plastic carrying disc one by one, measuring the resistance of the pin electrodes, and judging whether the pin electrodes are conducted or not and whether the pin electrodes are short-circuited or not according to the resistance values.
5. The needle electrode manufacturing method according to claim 4, wherein the pin of the ohmmeter used in step S61 includes:
the insulating body is internally provided with a hole concentric with the insulating body;
a third electrode disposed on an inner wall of the hole; and
the fourth electrode is arranged on the outer wall of the insulating body;
the third electrode and the fourth electrode are respectively and electrically connected with two poles of an ohmmeter;
the electrodes of the pin electrode comprise a first electrode and a second electrode, the first electrode is a columnar electrode, the second electrode is elastic sheet electrodes arranged on two sides of the first electrode, when the plug is inserted into the socket, the first electrode can be inserted into the hole and is in contact with the third electrode, and the second electrode can be in contact with the fourth electrode.
6. The method for manufacturing a needle electrode according to claim 4, wherein the container has rotatable latches at two opposite positions on the outer edge of the mouth, the latches include latch plates and engaging portions disposed on the inner sides of the latch plates, and the engaging portions hook the edges of the upper cover plate to lock the lower plate and the upper cover plate to the mouth of the container.
7. The needle electrode demagnetization device, the needle electrode includes the needle tubing, concentrically set up in the inner chamber of needle tubing and with needle tubing insulating conductive wire with set up the needle file of needle tubing tail end, its characterized in that includes:
a gate-type demagnetizer;
a conveyor belt passing through the gate demagnetizer; and
the plastic carrying disc is arranged on the conveying belt;
wherein, the plastics carrier disc includes:
the lower base plate is provided with a plurality of conical holes for accommodating the needle bases, each conical hole comprises an upper orifice and a lower orifice, and the caliber of each lower orifice is smaller than that of each upper orifice; and
the upper covering plate is detachably covered on the lower base plate, a through hole coaxial with the conical hole is formed in the upper covering plate, and the diameter of the through hole is smaller than the maximum outer diameter of the needle seat.
8. A needle electrode prepared by the method of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625527.XA CN114287948B (en) | 2021-12-28 | Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625527.XA CN114287948B (en) | 2021-12-28 | Needle electrode manufacturing method, needle electrode demagnetizing device, and needle electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114287948A true CN114287948A (en) | 2022-04-08 |
| CN114287948B CN114287948B (en) | 2024-06-25 |
Family
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5170788A (en) * | 1991-04-24 | 1992-12-15 | Vickers Plc | Needle electrode and method of assembly thereof |
| CN101687213A (en) * | 2007-04-27 | 2010-03-31 | 阿姆布股份有限公司 | Method of manufacturing coated needle electrodes |
| KR101400565B1 (en) * | 2013-07-18 | 2014-05-27 | 경성산업(주) | Demagnetize |
| CN105852858A (en) * | 2016-03-28 | 2016-08-17 | 西安富德医疗电子有限公司 | Disposable facial muscle needle electrode for medical use |
| CN206576864U (en) * | 2016-12-19 | 2017-10-24 | 苏州乐普斯电子有限公司 | A kind of myoelectricity pin |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5170788A (en) * | 1991-04-24 | 1992-12-15 | Vickers Plc | Needle electrode and method of assembly thereof |
| CN101687213A (en) * | 2007-04-27 | 2010-03-31 | 阿姆布股份有限公司 | Method of manufacturing coated needle electrodes |
| KR101400565B1 (en) * | 2013-07-18 | 2014-05-27 | 경성산업(주) | Demagnetize |
| CN105852858A (en) * | 2016-03-28 | 2016-08-17 | 西安富德医疗电子有限公司 | Disposable facial muscle needle electrode for medical use |
| CN206576864U (en) * | 2016-12-19 | 2017-10-24 | 苏州乐普斯电子有限公司 | A kind of myoelectricity pin |
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