CN114603229A - Flexible circuit board switching line structure and electrode patch for electric field treatment of tumor - Google Patents
Flexible circuit board switching line structure and electrode patch for electric field treatment of tumor Download PDFInfo
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- CN114603229A CN114603229A CN202210057275.3A CN202210057275A CN114603229A CN 114603229 A CN114603229 A CN 114603229A CN 202210057275 A CN202210057275 A CN 202210057275A CN 114603229 A CN114603229 A CN 114603229A
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- flexible
- patch
- contact pieces
- circuit board
- adapter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention relates to a flexible circuit board switching line structure and an electrode patch for electric field tumor treatment; the patch cord structure comprises a flexible circuit board, a wiring board is arranged on the flexible circuit board, and line contact pieces at the end parts of a plurality of circuit conducting wires are converged on the front side and the back side of the wiring board; the flexible adapter plate is rectangular and strip-shaped, a plurality of adapter wires are arranged at two ends of the flexible adapter plate respectively, and adapter contact pieces are arranged at two ends of each adapter wire; the switching contact pieces at the edges of the two end parts of the flexible adapter plate are respectively welded with the circuit contact pieces on the front and back sides of the wiring board after the flexible adapter plate is folded in half, and the switching contact pieces close to the middle part are used for being welded and connected with a plurality of wires in the transmission cable. The electrode patch comprises the flexible circuit board switching line structure.
Description
Technical Field
The invention relates to a flexible circuit board patch connection line structure and an electrode patch for electric field tumor treatment.
Background
Due to the continuing limitations of currently available cancer therapies, including chemotherapy or radiation therapy, new forms of therapy, including electrical stimulation, have recently attracted extensive research exploration or clinical application interest. Medium frequency electric fields have long been considered to have no major effect on biological processes because their alternation is too fast to cause effective neuromuscular stimulation and low intensities can cause only limited heating effects. However, in recent years, it has been found through research and clinical application that when the frequency of the electric field is in the range of 100-. Such studies have subsequently led to the development of new electric field therapies in the field of tumor therapy. Specific techniques have been used in some countries for medical research and clinical treatment of brain tumors and other cancers.
The invention discloses an electrode patch for electric field tumor treatment, which comprises a flexible substrate, a flexible circuit board, a plurality of foam pads and electrode plates fixedly arranged on the flexible substrate, and a transmission line, wherein a shielding layer is arranged on the transmission line, an anti-dropping welding point is arranged at the connecting end of the flexible circuit board, the anti-dropping welding point is connected with the shielding layer and used for preventing a circuit on the flexible circuit board from being pulled apart, and a connecting sleeve is sleeved at the welding position of the flexible circuit board and the transmission line. Further, as disclosed in chinese patent No. ZL202120374780.1, the specification and drawings of the present invention describe in detail the shape and structure of the electrode pad and thermistor and the circuit layout of the flexible circuit board, etc., of the flexible circuit board.
The above patents are all improvements made to the specific structure of the electrode patch used in the device for electric field treatment of tumor, and with the maturity and wide application of the related technologies and products in clinic, the consumption of the electrode patch is huge, so how to improve the automation degree of the electrode patch in the processing and manufacturing links and reduce the production cost is particularly important.
Disclosure of Invention
The invention aims to provide a flexible circuit board patch connection line structure and an electrode patch containing the same and used for treating tumors by an electric field.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a flexible circuit board patch cord structure, comprising:
the flexible circuit board is provided with a plurality of circuit leads, a wiring board is arranged on the flexible circuit board, and line contact pieces at the end parts of the circuit leads are converged on the front surface and the back surface of the wiring board;
the flexible adapter plate is rectangular and long-strip-shaped, a plurality of adapter wires are arranged at two ends of the flexible adapter plate respectively, and adapter contact pieces are arranged at two ends of each adapter wire;
the switching contact pieces at the edges of the two end parts of the flexible adapter plate after being folded in half are respectively welded with the circuit contact pieces on the front and back surfaces of the wiring board, and the switching contact pieces close to the middle part are used for being welded and connected with a plurality of wires in the transmission cable.
In a preferred embodiment, the wiring board is provided with a first stretch-proof pad for soldering with a stretch-proof wire in the transmission cable.
As a preferred embodiment, a second stretch-proof pad is disposed on the flexible adapter plate for welding with a stretch-proof wire in the transmission cable.
In a preferred embodiment, the plurality of circuit leads include a power supply circuit for supplying power to the ceramic electrode pads, a common circuit for supplying power to the thermistors, and a plurality of thermistor output circuits.
As a preferred embodiment, the circuit contact pieces on the front and back sides of the wiring board are welded with the adapter contact pieces on the edges of the two end portions of the flexible adapter plate to form a plurality of welding points, the welding points are connected with corresponding circuits, and the fixed wiring board and the flexible adapter plate are fixedly connected through the welding points.
As a preferred embodiment, the left and right sides of the flexible adapter plate are provided with positioning grooves.
As a preferred embodiment, the positioning grooves are disposed on two sides of the blank area in the middle section of the flexible adapter plate.
In a preferred embodiment, the positioning groove has a circular arc shape.
The electrode patch comprises the patch base body, a positioning sheet arranged on the patch base body and a ceramic electrode sheet arranged on the positioning sheet, wherein the ceramic electrode sheet is electrically connected with the flexible circuit board.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the flexible circuit board patch cord structure provided by the invention adopts the flexible patch panel to be folded and then welded with the wiring board of the flexible circuit board, and because the flexible patch panel and the flexible patch panel are mutually butted and welded through the contact pieces (golden fingers), the flexible circuit board patch cord structure has the advantages of simple welding operation, easy realization of automatic machine welding, firm welding and strong stability.
Before the flexible adapter plate is welded with the flexible circuit board, a plurality of wires in the transmission cable are respectively welded with the adapter contact pieces on the flexible adapter plate, and the adapter contact pieces corresponding to the ends of the wires are all positioned on the same surface of the flexible adapter plate, so that the single-side welding is realized, the difficulty in welding the wires and the circuit board is greatly reduced, the automatic machine welding can be realized, the manual welding is not needed, and the production efficiency of electrode patches is greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the electrode patch.
Fig. 2 is a schematic diagram of a flex circuit patch cord configuration.
Fig. 3 is a schematic structural diagram of the flexible circuit board.
Fig. 4 is a schematic structural diagram of the interposer.
Wherein: the flexible printed circuit board comprises a chip substrate 1, a flexible circuit board 2, a positioning sheet 3, a ceramic electrode sheet 4, a wiring board 5, a flexible adapter plate 6, a positioning groove 6-1, a transmission cable 7, a lead 7-1, a stretch-proof wire 7-2, a transition lead 8, a transition contact 8-1, a welding spot 9, a line contact 10, a first stretch-proof bonding pad 11 and a second stretch-proof bonding pad 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail and fully with reference to the following embodiments.
Example one
As shown in fig. 1 to 4, a patch cord structure of a flexible circuit board includes a flexible circuit board 2 and a flexible patch panel 6; the flexible circuit board 2 is used for an electrode patch for treating tumors by an electric field, supplies power with the ceramic electrode slice 4 and is used for connecting a corresponding thermistor.
The flexible circuit board is provided with a plurality of circuit leads, the circuit leads comprise a power supply circuit for supplying power to the ceramic electrode plates, a common circuit for supplying power to the thermistors and a plurality of output circuits of the thermistors, as shown in the specific embodiment shown in fig. 1 and 3, 9 ceramic electrode plates 4 and 9 thermistors are arranged, 11 circuit lead ends are arranged, and the circuit lead ends are provided with circuit contact pieces 10 (also called golden fingers).
The flexible circuit board 2 is provided with a wiring board 5, a plurality of circuit contact pieces 10 at the end parts of the circuit wires are converged on the front and back surfaces of the wiring board 5, the area of the wiring board 5 is limited due to more circuit wires, and in order to utilize the wiring board 5 to the maximum extent, the circuit contact pieces 10 at the end parts of the circuit wires are evenly distributed on the front and back surfaces of the wiring board 5, as shown in fig. 3, the front surface of the end part of the wiring board 5 is provided with 6 circuit contact pieces 10, the back surface is provided with 5 circuit contact pieces 10, and the circuit contact pieces 10 are arranged in a staggered mode.
As shown in fig. 4, the flexible adapter plate 6 is rectangular and long, a plurality of adapter wires 8 are respectively arranged at two ends of the flexible adapter plate, and adapter contact pieces 8-1 are arranged at two ends of each adapter wire; in this embodiment, the first end of the flexible adapter plate 6 is uniformly distributed with 6 adapter wires 8 in parallel, the second end is uniformly distributed with 5 adapter wires 8 in parallel, and the adapter contact pieces 8-1 of all the adapter wires 8 are all arranged on the same surface of the flexible adapter plate 6.
The switching contact pieces 8-1 at the edges of the two end parts of the flexible adapter plate 6 after being folded in half are respectively welded with the circuit contact pieces on the front and back sides of the wiring board 5, and the switching contact pieces 8-1 close to the middle part are used for being welded with a plurality of wires 7-1 in the transmission cable 7, so that the electric connection between the cable 7 and the flexible circuit board 2 is realized through the flexible adapter plate 6.
As shown in fig. 3, as an embodiment of strengthening stretch prevention, the wiring board 5 is provided with a first stretch prevention pad 11 for welding with the stretch prevention wire 7-2 in the transmission cable 7.
As another embodiment for strengthening and stretch-proofing, as shown in fig. 4, a second stretch-proofing pad 12 is disposed on the flexible adapter board 6 for welding with the stretch-proofing wire 7-2 in the transmission cable 7.
During specific welding, the looseness degree of all the wires 7-1 is larger than that of the stretching prevention wires 7-2, when the transmission cable 7 and the flexible circuit board 2 are mutually pulled, the stretching prevention wires 7-2 and the bonding pads are firstly stressed, the welding spots at the ends of the wires 7-1 are prevented from being pulled, and the welding spots of the wires are further protected.
As shown in fig. 2, the circuit contact pieces on the front and back sides of the wiring board 5 are welded with the adapter contact pieces 8-1 on the edges of the two end portions of the flexible adapter board 6 to form a plurality of welding points 9, the welding points are connected with corresponding circuits, and the fixed wiring board 5 and the flexible adapter board 6 are fixedly connected through the welding points. The adapter contact pieces 8-1 at the edges of the two end parts of the flexible adapter plate 6 are positioned at the edges of the flexible adapter plate 6 as far as possible, so that the welding is convenient.
As shown in fig. 4, positioning grooves 6-1 are formed in the left side and the right side of the flexible adapter plate 6, and are used for accurately positioning the flexible adapter plate 6 on a station during welding operation; the positioning grooves 6-1 are arranged on two sides of a blank area (an area without the switching lead) in the middle section of the flexible adapter plate 6, so that the influence of the positioning grooves on the arrangement of the switching lead 8 can be avoided; the positioning groove 6-1 is arc-shaped, so that the structural stability and strength of the flexible circuit board 6 are prevented from being damaged.
Because the circuit contact pieces 10 at the end parts of the circuit wires are evenly distributed on the front and back surfaces of the wiring board 5, when the flexible adapter board 6 is not adopted, the end parts of a plurality of wires 7-1 need to respectively correspond to the circuit contact pieces 10 on the front and back surfaces of the wiring board 5, the two surfaces are respectively welded, the operation is complicated, and the automatic machine welding is difficult to realize.
In the embodiment, the flexible adapter plate 6 is adopted, in the specific implementation process, a plurality of wires 7-1 in the transmission cable 7 are respectively welded with the corresponding adapter contact pieces 8-1 in the middle of the flexible adapter plate 6, and the adapter contact pieces 8-1 are all positioned on the same surface of the flexible adapter plate 6, so that the single-surface welding is adopted, the difficulty in welding the wires 7-1 and a circuit board is greatly reduced, the automatic machine welding can be realized, the manual welding is not needed, and the production efficiency of the electrode patch is greatly improved.
After the flexible adapter plate 6 is firstly welded with the transmission cable 7, the flexible adapter plate is folded and welded with a wiring board of the flexible circuit board, and the two flexible adapter plates are welded by the mutual butt joint of the contact pieces (golden fingers), so that the welding operation is simple, the automatic machine welding is easily realized, the welding is firm, and the stability is strong.
Example 2
As shown in fig. 1 to 4, an electrode patch for electric field therapy of tumor includes a patch substrate 1, a flexible circuit board 2, a positioning plate 3 disposed on the patch substrate 1, and a ceramic electrode plate 4 disposed on the positioning plate 3, wherein the ceramic electrode plate 4 is electrically connected to the flexible circuit board 2, and the key technology of the electrode patch is that the electrode patch further includes the patch cord structure of the flexible circuit board according to the first embodiment. The wiring board 5 on the flexible circuit board 2 is connected with the transmission cable 7 through the flexible adapter board 6, so that automatic machine welding is realized, and the welding quality and the production efficiency are improved.
Claims (9)
1. A flexible circuit board patch cord structure, comprising:
the flexible circuit board is provided with a plurality of circuit leads, a wiring board is arranged on the flexible circuit board, and line contact pieces at the end parts of the circuit leads are converged on the front side and the back side of the wiring board;
the flexible adapter plate is rectangular and long-strip-shaped, a plurality of adapter wires are arranged at two ends of the flexible adapter plate respectively, and adapter contact pieces are arranged at two ends of each adapter wire;
the switching contact pieces at the edges of the two end parts of the flexible adapter plate after being folded in half are respectively welded with the circuit contact pieces on the front and back surfaces of the wiring board, and the switching contact pieces close to the middle part are used for being welded and connected with a plurality of wires in the transmission cable.
2. The patch cord structure of claim 1, wherein said patch panel is provided with a first stretch-proof pad for soldering with a stretch-proof pad in said transmission cable.
3. The patch cord structure of claim 1, wherein a second stretch-proof pad is disposed on the flexible patch board for soldering with the stretch-proof pad in the transmission cable.
4. The patch cord structure of claim 1, wherein said plurality of circuit conductors comprise a power supply circuit for supplying power to said ceramic electrode pads, a common circuit for supplying power to said thermistors, and a plurality of thermistor output circuits.
5. The patch cord structure of claim 1, wherein the circuit contacts on the front and back sides of the patch panel are soldered to patch contacts on the edges of the two ends of the flexible patch panel to form a plurality of solder joints, the solder joints are connected to corresponding circuits, and the solder joints are used to fixedly connect the fixed patch panel to the flexible patch panel.
6. The patch cord structure of claim 1, wherein positioning slots are disposed on the left and right sides of the flexible patch panel.
7. The patch cord structure of claim 6, wherein said positioning slots are disposed on both sides of the blank area of the middle section of the flexible patch panel.
8. The patch cord structure of claim 6, wherein said positioning slot is arcuate.
9. An electrode patch comprising a patch cord structure according to any one of claims 1 to 8, wherein the patch comprises a patch base body, a spacer provided on the patch base body, and a ceramic electrode pad provided on the spacer, the ceramic electrode pad being electrically connected to the flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210057275.3A CN114603229A (en) | 2022-01-19 | 2022-01-19 | Flexible circuit board switching line structure and electrode patch for electric field treatment of tumor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210057275.3A CN114603229A (en) | 2022-01-19 | 2022-01-19 | Flexible circuit board switching line structure and electrode patch for electric field treatment of tumor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114603229A true CN114603229A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210057275.3A Pending CN114603229A (en) | 2022-01-19 | 2022-01-19 | Flexible circuit board switching line structure and electrode patch for electric field treatment of tumor |
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| CN (1) | CN114603229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814263A (en) * | 2022-12-26 | 2023-03-21 | 江苏海莱新创医疗科技有限公司 | Electrode patch and tumor electric field treatment system |
-
2022
- 2022-01-19 CN CN202210057275.3A patent/CN114603229A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115814263A (en) * | 2022-12-26 | 2023-03-21 | 江苏海莱新创医疗科技有限公司 | Electrode patch and tumor electric field treatment system |
| CN115814263B (en) * | 2022-12-26 | 2023-12-22 | 江苏海莱新创医疗科技有限公司 | Electrode patch and tumor electric field treatment system |
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