CN112582159A - Stimulating coil for magnetic stimulation and winding method thereof - Google Patents
Stimulating coil for magnetic stimulation and winding method thereof Download PDFInfo
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- CN112582159A CN112582159A CN202011472081.7A CN202011472081A CN112582159A CN 112582159 A CN112582159 A CN 112582159A CN 202011472081 A CN202011472081 A CN 202011472081A CN 112582159 A CN112582159 A CN 112582159A
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- magnetic stimulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N2/00—Magnetotherapy
- A61N2/004—Magnetotherapy specially adapted for a specific therapy
- A61N2/006—Magnetotherapy specially adapted for a specific therapy for magnetic stimulation of nerve tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N2/00—Magnetotherapy
- A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
Abstract
The invention relates to a stimulating coil for magnetic stimulation and a winding method thereof, and the stimulating coil comprises a coil body, wherein a coil hole is formed in the middle of the coil body, the coil body comprises an upper coil and a lower coil, the upper coil and the lower coil are both formed by tightly winding the same wire pipe, the upper coil and the lower coil are connected at the outer edge of the coil hole through a transition wire pipe, the wire pipe of the outer ring of the upper coil extends out of a section through bending to form a current input pipeline, the wire pipe of the outer ring of the lower coil extends out of a section through bending to form a current output pipeline, and the bending part of the current output pipeline is close to the bending part of the current input pipeline. Compared with the traditional stimulating coil, the stimulating coil has the advantages of high quality factor Q, slow temperature rise in use, light weight, good vibration resistance and the like.
Description
Technical Field
The invention relates to the technical field of stimulating coils, in particular to a stimulating coil for magnetic stimulation and a winding method thereof.
Background
The conventional stimulation coil is obtained by a conventional winding method, as shown in fig. 1, which has only one layer structure, after winding, one lead is on the inner side, the other lead is on the outer side, and during the use process, the current must be input into the lead on the inner side and output from the lead on the outer side. Because the lead wire of inboard needs the overlap joint in the coil outside, still need reserve specially when the shell of stimulating coil and dodge the space, have certain influence to structure and outward appearance design, this kind of stimulating coil's performance aspect quality factor Q is low, the intensification is fast, the weight is heavy, anti-vibration performance is poor.
Disclosure of Invention
It is an object of the present invention to provide a stimulating coil for magnetic stimulation and a winding method thereof to solve the above-mentioned problems encountered in the background art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides an exciting coil for magnetic stimulation, includes the coil body, the middle part of coil body is equipped with the circle hole, the coil body includes upper coil and lower floor's coil, upper coil and lower floor's coil are formed by the inseparable coiling of same spool, upper coil and lower floor's coil are in the outer edge in circle hole is connected through the transition spool, the spool of the outer lane of upper coil stretches out one section through buckling and constitutes current input pipeline, the spool of the outer lane of lower floor's coil stretches out one section through buckling and constitutes current output pipeline, current output pipeline's department of buckling is close to current input pipeline's department of buckling.
In the above scheme, the upper coil and the lower coil are in an alpha-shaped structure on the coil body.
In the above scheme, the outermost circumference of the coil body is in a range of 120-130mm, the outer edge of the hole in the coil body is in a range of 40-60mm, and the height of the coil body is in a range of 10-12 mm.
In the above scheme, the section of the line pipe of the coil body is any one of a circle, a square and a rectangle.
In the scheme, the wire tube of the coil body is filled with 3000 copper wires, the number of the copper wires is 2000, and the outer surface of each copper wire is coated with insulating paint.
In the above scheme, the coil body is a concave surface structure which is gradually concave from outside to inside.
In the above scheme, the coil body is equipped with two, two the coil body is formed by the inseparable coiling of same spool, two be connected through the connecting pipe between the coil body.
In the above scheme, the coil body includes upper coil and lower floor's coil, two through two between the coil body connecting pipe between the coil of lower floor is connected, one of them the spool of the outer lane of the upper coil of coil body stretches out one section through buckling and constitutes current input pipeline, another the spool of the outer lane of the upper coil of coil body stretches out one section through buckling and constitutes current output pipeline, current output pipeline's department of buckling is close to current input pipeline's department of buckling.
In the above scheme, the two coil bodies are concave surface type structures which are gradually sunken from outside to inside, and the concave surfaces of the two coil bodies are oppositely arranged.
A method of winding a stimulation coil for magnetic stimulation, comprising the steps of:
s1, extending a section of pipeline line of a stimulating coil to be used as a current output pipeline, and tightly winding from outside to inside after bending to form a lower-layer coil;
s2, bending the outer edge of the hole in the middle of the lower coil of the stimulating coil upwards to form a transition line pipe, so that the transition line pipe is positioned at the top of the lower coil;
s3, bending the end part of the transition wire pipe and then tightly winding the end part from inside to outside to form an upper coil, wherein the wire pipe of the outer ring of the upper coil extends out of a section through bending to form a current input pipeline;
s4, coiling the current input pipeline to the position near the current output pipeline, so that the current input pipeline and the current output pipeline are both positioned on the peripheral ring surface of the stimulation coil;
s5, the upper coil and the lower coil are tightly bonded together in a vacuumizing glue filling mode, the pipeline lines of all the coils in the upper coil are tightly bonded together, and the pipeline lines of all the coils in the lower coil are tightly bonded together.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a magnetic stimulation coil module design, wherein the coil adopts alpha double-layer winding, so that the performance quality factor Q of the coil can be increased, the heat productivity is reduced, and in the structural aspect, both leads are arranged on the outer sides, thereby being beneficial to better assembly. The coil adopts the winding mode in the same volume space, and the quality factor Q is large. The invention effectively improves the performance of the magnetic stimulation coil, ensures that the magnetic field of the stimulation coil is uniformly distributed, improves the quality level of the product in mass production, reduces the difficulty of the product process, improves the cost performance, improves the design defect of the existing magnetic stimulation coil and improves the performance of the magnetic stimulation coil.
In addition, the multi-strand enameled wire is adopted, so that the skin effect is reduced, the ACR is reduced, and the performance of the product is improved. The copper wire is adopted for manufacturing, the whole weight is light, and the handheld movement is convenient. Adopt the evacuation encapsulating mode with upper and lower two-layer coil tightly the bonding together, vibrations when reducing to let in high frequency alternating current to reduce the noise in the use, consequently the stimulation coil anti-seismic performance in this application will be higher than traditional stimulation coil.
Drawings
FIG. 1 is a schematic diagram of a conventional prior art stimulation coil configuration;
FIG. 2 is a schematic diagram of a stimulation coil in accordance with the present invention;
FIG. 3 is a schematic diagram of a half-section of a stimulation coil in accordance with the present invention;
FIG. 4 is a schematic diagram of a stimulation coil in accordance with another embodiment of the present invention;
FIG. 5 is a schematic diagram of the stimulation coil of FIG. 4 from another perspective;
fig. 6 is a graph of the temperature change of the present invention compared to a conventional stimulation coil for 10min under the same regimen.
Reference numbers in the figures: 1-a coil body; 11-upper coil; 12-a lower layer coil; 13-a transition conduit; 2-circle of holes; 3-current input pipeline; 4-current output pipeline; 5-connecting pipe.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.
The outermost circumference of the coil body 1 ranges from 120mm to 130mm, and can be 120mm, 125mm, 130mm, preferably 125 mm; the outer edge range of the coil hole 2 in the coil body 1 is 40-60mm, and can be 40mm, 50mm or 60mm, preferably 50 mm; the height of the coil body 1 is in the range of 10-12mm, and may be 10mm, 11mm, 12mm, preferably 11 mm. It is to be noted that the height of the coil body 1 is the height of the upper layer coil 11 or the lower layer coil 12 by a single layer.
When the coil body 1 is inside, the upper coil 11 and the lower coil 12 are connected through the transition spool 13 on the outer edge of the ring hole 2, when the coil body 1 is outside, the spool of the outer ring of the upper coil 11 stretches out a section through bending to form a current input pipeline 3, the spool of the outer ring of the lower coil 12 stretches out a section through bending to form a current output pipeline 4, and the bending part of the current output pipeline 4 is close to the bending part of the current input pipeline 3.
The upper coil 11 and the lower coil 12 are in an alpha-shaped structure on the coil body 1, the upper coil 11 and the lower coil 12 can be arranged side by side as shown in fig. 1, and can also be crossed, as long as two connectors are arranged together and are positioned on the outer side of the coil, so that the installation and wiring are convenient.
In the same volume space, the bent part of the current output pipeline 4 is close to the bent part of the current input pipeline 3 and is positioned at the outer side of the coil, or alpha (alpha) double-layer winding is adopted, so that the quality factor Q of the coil can be improved, the heat productivity of the coil body 1 in the use process is reduced, and the product consistency is good. In the aspect of structure, the two leads are both arranged on the outer sides, so that better assembly is facilitated, and the flat cable is neat, so that the magnetic field is uniformly distributed.
When alternating current or alternating electromagnetic field exists in the conductor, the current distribution in the conductor is uneven, the current is concentrated on the skin part of the conductor, namely the current is concentrated on the thin layer on the outer surface of the conductor, the closer to the surface of the conductor, the higher the current density is, and the smaller the current is actually in the conductor. As a result, the resistance of the conductor increases, and its power loss also increases. This phenomenon is called skin effect (also called skin effect). The current is limited to a part of the area on the cross section of the conductor due to the skin effect, which not only reduces the effective use area of the wire, but also increases the equivalent resistance. The skin effect is particularly obvious in a driven stimulating coil, because the specification of the conducting wires in the traditional stimulating coil is 1mm in diameter and 21 in number, the whole weight is heavier, the alternating current resistance of the conducting wires is increased due to the skin effect, and when high-frequency current is introduced into the stimulating coil in the using process, the whole stimulating coil can vibrate.
Preferably, the cross section of the line pipe of the coil body 1 is any one of circular, square and rectangular. The wire tube of the coil body 1 is filled with 3000 copper wires, the number of the copper wires is preferably 0.1 mm, the number of the copper wires is 2500, and the outer surface of each copper wire is coated with insulating paint. Adopt wire envelope such as copper wire, silver silk, stranded insulation paint envelope stranded conductor reduces skin effect and reduces direct current resistance, and the high-usage of copper wire is compared other metal sectional areas for a short time, makes the coil gross mass lighten the better operation treatment of operator, makes things convenient for the handheld removal of medical personnel.
As a preferable mode, the coil body 1 is a concave structure which is gradually concave from the outside to the inside. The planar coil body 1 is used for carrying out magnetic stimulation treatment on lumbar vertebra parts and pelvic floor sacrum parts, and the coil body 1 with the concave surface is used for carrying out transcranial magnetic stimulation in cooperation with the head of a human body and is used for treating neurological diseases.
A method of winding a stimulation coil for magnetic stimulation, comprising the steps of:
and S1, extending a section of the pipeline wire of one stimulating coil to be used as a current output pipeline, and bending the pipeline wire to form a lower layer coil by tightly winding from outside to inside. The outer diameter of the coil is gradually increased after one turn.
And S2, bending the outer edge of the hole in the middle of the lower coil of the stimulating coil upwards to form a transition line pipe, so that the transition line pipe is positioned at the top of the lower coil, and a second coil is conveniently wound.
And S3, tightly winding the end part of the transition wire pipe from inside to outside after bending to form an upper coil, wherein the coil is wound by one turn, and the outer diameter of the coil is gradually increased. The line pipe of the outer lane of upper coil stretches out a section through buckling and constitutes the current input pipeline for letting in alternating current.
S4, the current input pipeline is coiled to the position near the current output pipeline, so that the current input pipeline and the current output pipeline are both positioned on the peripheral ring surface of the stimulating coil, the assembly is convenient, and the internal space of the device is saved.
S5, the upper coil and the lower coil are tightly bonded together in a vacuumizing glue filling mode, the pipeline lines of all the coils in the upper coil are tightly bonded together, and the pipeline lines of all the coils in the lower coil are tightly bonded together. An integral structure has the function of reducing vibration and noise, and has compact structure and saved working space.
Referring to fig. 6, a graph of the temperature change of the present invention compared to a conventional stimulation coil during 10min of treatment with the same protocol is shown. The graph shows the temperature variation of the conventional stimulation coil (i.e. old) in the heating-up state (in the use state) and the application (i.e. new) in the same treatment scheme for 10min, and the temperature variation of the conventional stimulation coil (i.e. old) in the natural cooling-down state (in the non-use state) and the application (i.e. new) in the same treatment scheme for 10 min.
From fig. 6, it can be seen that, in terms of temperature rise, when the same scheme is used for 10min, the old coil rises from 26 degrees to 125 degrees, and the new coil rises from 26 degrees to 91 degrees, so that when the same scheme is used for the same period of time, the temperature rise of the coil adopting the application is slow in operation, and the temperature is low in the use process. From the aspect of natural cooling, when the same scheme is used for treatment for 10min, the old coil is cooled to 76 degrees from 125 degrees, and the new coil is cooled to 56 degrees from 91 degrees, so that in the same scheme for treatment and the same time period, the natural cooling speed of the coil adopting the application is high when the coil does not work, the working efficiency is improved, and preparation is made for next work.
In embodiment 2, referring to fig. 4 and 5, in this embodiment, two coil bodies 1 are provided, two coil bodies 1 are formed by tightly winding the same bobbin, and the two coil bodies 1 are connected by a connecting pipe 5.
Specifically, coil body 1 includes upper coil 11 and lower floor's coil 12, is connected through connecting pipe 5 between two lower floor's coil 12 between two coil bodies 1, and the spool of the upper coil 11's of one of them coil body 1 outer lane stretches out one section through buckling and constitutes current input pipeline 3, and the spool of the upper coil 11's of another coil body 1 outer lane stretches out one section through buckling and constitutes current output pipeline 4, and the department of buckling of current output pipeline 4 is close to the department of buckling of current input pipeline 3.
As a preferable scheme, the two coil bodies 1 are both concave surface type structures which are gradually concave from outside to inside, and the concave surfaces of the two coil bodies 1 are arranged oppositely. The coil body 1 with two concave surfaces is used for being matched with the head of a human body to carry out transcranial magnetic stimulation, is fixed on the head of the human body through a helmet, carries out magnetic stimulation on two sides of the head and is used for treating neurological diseases.
The invention relates to a magnetic stimulation coil module design, wherein the coil adopts alpha double-layer winding, so that the performance quality factor Q of the coil can be increased, the heat productivity is reduced, and in the structural aspect, both leads are arranged on the outer sides, thereby being beneficial to better assembly. The coil adopts the winding mode in the same volume space, and the quality factor Q is large. The invention effectively improves the performance of the magnetic stimulation coil, ensures that the magnetic field of the stimulation coil is uniformly distributed, improves the quality level of the product in mass production, reduces the difficulty of the product process, improves the cost performance, improves the design defect of the existing magnetic stimulation coil and improves the performance of the magnetic stimulation coil.
In addition, the adoption of the multi-strand enameled wire can reduce skin effect, reduce direct current resistance and improve the performance of the product. The copper wire is adopted for manufacturing, the whole weight is light, and the handheld movement is convenient. Adopt the evacuation encapsulating mode with upper and lower two-layer coil tightly the bonding together, vibrations when reducing to let in high frequency alternating current to reduce the noise in the use, consequently the stimulation coil anti-seismic performance in this application will be higher than traditional stimulation coil.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A stimulation coil for magnetic stimulation, comprising a coil body (1), the middle part of the coil body (1) being provided with a coil hole (2), characterized in that: coil body (1) includes upper coil (11) and lower floor's coil (12), upper coil (11) and lower floor's coil (12) are formed by the inseparable coiling of same spool, upper coil (11) are in with lower floor's coil (12) the outer edge of circle hole (2) is connected through transition spool (13), the spool of the outer lane of upper coil (11) stretches out one section through buckling and constitutes current input pipeline (3), the spool of the outer lane of lower floor's coil (12) stretches out one section through buckling and constitutes current output pipeline (4), the department of buckling of current output pipeline (4) is close to the department of buckling of current input pipeline (3).
2. A stimulation coil for magnetic stimulation according to claim 1, characterized in that: the upper-layer coil (11) and the lower-layer coil (12) are in alpha-shaped structures on the coil body (1).
3. A stimulation coil for magnetic stimulation according to claim 1, characterized in that: the range of the outermost peripheral ring of the coil body (1) is 120-130mm, the range of the outer edge of the ring hole (2) in the coil body (1) is 40-60mm, and the range of the height of the coil body (1) is 10-12 mm.
4. A stimulation coil for magnetic stimulation according to claim 1, characterized in that: the section of the line pipe of the coil body (1) is any one of circular, square and rectangular.
5. A stimulation coil for magnetic stimulation according to claim 4, characterized in that: the coil comprises a coil body (1), wherein the inside of a line tube of the coil body (1) is filled with 3000 copper wires, the number of the copper wires is 2000 and 3000, and the outer surface of each copper wire is coated with insulating paint.
6. A stimulation coil for magnetic stimulation according to claim 1, characterized in that: the coil body (1) is of a concave surface type structure which is gradually sunken from outside to inside.
7. A stimulation coil for magnetic stimulation according to claim 1, characterized in that: the coil body (1) is equipped with two, two coil body (1) is formed by the inseparable coiling of same spool, two be connected through connecting pipe (5) between coil body (1).
8. A stimulation coil for magnetic stimulation according to claim 7, characterized in that: coil body (1) includes upper coil (11) and lower floor's coil (12), two through two between coil body (1) connecting pipe (5) between lower floor's coil (12) are connected, one of them the spool of the outer lane of the upper coil (11) of coil body (1) stretches out one section through buckling and constitutes current input pipeline (3), another the spool of the outer lane of the upper coil (11) of coil body (1) stretches out one section through buckling and constitutes current output pipeline (4), the department of buckling of current output pipeline (4) is close to the department of buckling of current input pipeline (3).
9. A stimulation coil for magnetic stimulation according to claim 8, characterized in that: the two coil bodies (1) are concave surface type structures which are gradually sunken from outside to inside, and the concave surfaces of the two coil bodies (1) are oppositely arranged.
10. A method of winding a stimulation coil for magnetic stimulation according to claim 1, characterized by the steps of:
s1, extending a section of pipeline line of a stimulating coil to be used as a current output pipeline, and tightly winding from outside to inside after bending to form a lower-layer coil;
s2, bending the outer edge of the hole in the middle of the lower coil of the stimulating coil upwards to form a transition line pipe, so that the transition line pipe is positioned at the top of the lower coil;
s3, bending the end part of the transition wire pipe and then tightly winding the end part from inside to outside to form an upper coil, wherein the wire pipe of the outer ring of the upper coil extends out of a section through bending to form a current input pipeline;
s4, coiling the current input pipeline to the position near the current output pipeline, so that the current input pipeline and the current output pipeline are both positioned on the peripheral ring surface of the stimulation coil;
s5, the upper coil and the lower coil are tightly bonded together in a vacuumizing glue filling mode, the pipeline lines of all the coils in the upper coil are tightly bonded together, and the pipeline lines of all the coils in the lower coil are tightly bonded together.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011472081.7A CN112582159A (en) | 2020-12-14 | 2020-12-14 | Stimulating coil for magnetic stimulation and winding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011472081.7A CN112582159A (en) | 2020-12-14 | 2020-12-14 | Stimulating coil for magnetic stimulation and winding method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11794029B2 (en) | 2016-07-01 | 2023-10-24 | Btl Medical Solutions A.S. | Aesthetic method of biological structure treatment by magnetic field |
| US11806528B2 (en) | 2020-05-04 | 2023-11-07 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
| US11826565B2 (en) | 2020-05-04 | 2023-11-28 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
| US11878162B2 (en) | 2016-05-23 | 2024-01-23 | Btl Healthcare Technologies A.S. | Systems and methods for tissue treatment |
| US11883643B2 (en) | 2016-05-03 | 2024-01-30 | Btl Healthcare Technologies A.S. | Systems and methods for treatment of a patient including RF and electrical energy |
| US11896816B2 (en) | 2021-11-03 | 2024-02-13 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
-
2020
- 2020-12-14 CN CN202011472081.7A patent/CN112582159A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11883643B2 (en) | 2016-05-03 | 2024-01-30 | Btl Healthcare Technologies A.S. | Systems and methods for treatment of a patient including RF and electrical energy |
| US11878162B2 (en) | 2016-05-23 | 2024-01-23 | Btl Healthcare Technologies A.S. | Systems and methods for tissue treatment |
| US11896821B2 (en) | 2016-05-23 | 2024-02-13 | Btl Healthcare Technologies A.S. | Systems and methods for tissue treatment |
| US11794029B2 (en) | 2016-07-01 | 2023-10-24 | Btl Medical Solutions A.S. | Aesthetic method of biological structure treatment by magnetic field |
| US11806528B2 (en) | 2020-05-04 | 2023-11-07 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
| US11813451B2 (en) | 2020-05-04 | 2023-11-14 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
| US11826565B2 (en) | 2020-05-04 | 2023-11-28 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
| US11878167B2 (en) | 2020-05-04 | 2024-01-23 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
| US11896816B2 (en) | 2021-11-03 | 2024-02-13 | Btl Healthcare Technologies A.S. | Device and method for unattended treatment of a patient |
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