CN219022998U - Electrode unit, electrode patch and tumor electric field treatment system - Google Patents
Electrode unit, electrode patch and tumor electric field treatment system Download PDFInfo
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- CN219022998U CN219022998U CN202320111381.5U CN202320111381U CN219022998U CN 219022998 U CN219022998 U CN 219022998U CN 202320111381 U CN202320111381 U CN 202320111381U CN 219022998 U CN219022998 U CN 219022998U
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Abstract
The utility model provides an electrode unit, an electrode patch and a tumor electric field treatment system, and relates to the technical field of medical appliances. The electrode unit comprises a flexible circuit board, a digital temperature chip and a circular dielectric element; the flexible circuit board is provided with a circular substrate, the flexible circuit board comprises a connecting part, the digital temperature chip is positioned on the circular substrate, the circular dielectric element is connected with the circular substrate through a bonding pad, and the digital temperature chip is positioned in a through hole of the circular dielectric element; the connecting part is provided with a connecting circuit of four channels, one end of each of the three channels is respectively connected to three via pads of the digital temperature chip, and the other end of each of the three channels is connected to three pads on the back surface of the connecting part; one end of the channel is connected to the circular dielectric element, and the other end is connected to a bonding pad on the front surface of the connecting part. The electrode unit can reduce the number of core wires in the external lead, and improve the reliability of the lead so as to ensure the treatment effect.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an electrode unit, an electrode patch and a tumor electric field treatment system.
Background
The electrode patch is portable noninvasive equipment, and is applied to human epidermis to apply low-intensity and medium-frequency alternating electric field to human body, and is mainly used as medical auxiliary consumable for clinical treatment of colloid tumor, and can effectively inhibit mitosis of tumor cells, repair DNA injury and increase DNA replication pressure through intervention of electric field.
In the use process of the electrode patch, if the operation is abnormal, the heating condition of a certain or a plurality of local electrode units can be generated, and if the heating abnormality is not monitored in time and the operation of the electric field patch is blocked, the discomfort and even scalding and other adverse consequences of the attached part of a patient can be caused. To solve this problem, a temperature measuring element, typically a thermistor, is added to the electrode unit for monitoring the temperature. The temperature measuring element adopted by the traditional technology needs independent circuit channels, but the temperature measuring element circuit of the current electric field unit adopts ten-core wires, because the number of the electrode units in the electric field patch can exceed ten, and the current temperature measuring element in each electrode unit needs to be led out of one wire and is limited by the ten-core wires, the temperature measuring element cannot be arranged in each electrode unit, and therefore, the temperature of the electrode unit cannot be comprehensively monitored because the temperature measuring element is not arranged in a partial area of the electrode patch, and potential safety hazards possibly exist. In addition, the diameter of the ten-core wire is relatively thick, and in the actual use process, the temperature cannot be monitored due to the fact that any core wire is damaged due to the fact that the number of cores is too large, so that the reliability of the electrode patch is poor.
Accordingly, there is a need to provide a solution to the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide an electrode unit, an electrode patch and a tumor electric field treatment system, which solve the problems that the number of circuit cores is too large and unreliable, the patches of different types cannot be compatible, and the temperature measurement is incomplete by designing a digital temperature chip and a four-core channel circuit.
In a first aspect, the present utility model provides an electrode unit, which adopts the following technical scheme:
the temperature sensor comprises a flexible circuit board, a digital temperature chip and a circular dielectric element; the flexible circuit board is provided with a circular substrate, the flexible circuit board comprises a connecting part, the digital temperature chip is positioned in the middle of the circular substrate, the circular dielectric element is connected with the circular substrate through a bonding pad, and the digital temperature chip is exposed in a through hole in the middle of the circular dielectric element; the connecting part is provided with a connecting circuit of four channels, wherein one end of each of the three channels is respectively connected to three via hole welding discs beside the digital temperature chip, and the other end of each of the three channels is respectively connected to three welding discs on the back surface of the connecting part of the electrode patch; the remaining one-way channel is connected at one end to the circular dielectric element and at the other end to a pad on the front side of the connection.
The temperature monitoring type electrode patch provided by the utility model has the beneficial effects that: the digital temperature chip is positioned in the through hole of the circular dielectric element, can monitor the temperature condition of the circular dielectric element, is connected with three channels on the connecting part, and is used for supplying power to the digital temperature chip and transmitting data, and the circular dielectric element is connected with the rest channel of the connecting part, and the channel is used for supplying power to the circular dielectric element. With this arrangement, the circuit core number of the chip can be reduced, and the reliability of the circuit can be enhanced.
In a possible embodiment, the electrode unit further includes a positioning ring and a gel, the positioning ring is fixedly sleeved on the periphery of the circular dielectric element, one surface of the positioning ring has viscosity, one surface of the positioning ring, which is not viscous, is stuck on the non-woven fabric, the gel covers the surface of the circular dielectric element, and the edge of the gel is stuck with the positioning ring. The positioning ring can improve the position stability of the circular dielectric element on the circular substrate, avoid the circular dielectric element from deviating on the circular substrate, and the gel covers the circular dielectric element and is adhered to the positioning ring, so that the position stability of the circular dielectric element and the positioning ring can be further improved.
In a second aspect, the present utility model provides an electrode patch, which adopts the following technical scheme:
comprises a patch part and a lead part electrically connected with the patch part; the patch part comprises a non-woven fabric with an adhesive single surface and N electrode units which are connected in series and are fixed on one side of the non-woven fabric with the adhesive, and is used for being attached to the body of a patient to generate an alternating electric field, wherein N is a positive integer, and the N electrode units share a data channel of the connecting circuit; the patch part is provided with an outgoing line rod, the outgoing line rod comprises four channels connected in series with the connecting circuit, and one end of each of the three channels of the outgoing line rod is respectively connected to three via hole welding discs beside the digital temperature chip of the electrode unit; the other ends of the three paths of channels of the wire outlet rod are respectively connected to three bonding pads on the back surface of the wire outlet rod; one end of the rest channel of the wire outlet rod is connected to the circular dielectric element of the electrode unit, and the other end of the rest channel of the wire outlet rod is connected to a bonding pad on the front surface of the wire outlet rod; one end of the wire part is connected with the patch part, and the other end of the wire part is electrically connected with the signal generator through a connector.
The electrode patch provided by the utility model has the beneficial effects that: too many traditional cores can cause the connecting wire to become thicker and heavier, influence the comfort of using, increase the cost; and, different models of patches cannot be compatible, or only the temperature measurement function of part of electrode plates can be abandoned, and the temperature monitoring performance of the system is reduced; the N electrode units are respectively provided with a digital temperature chip, on one hand, the digital temperature chip on each electrode unit can monitor the temperature change of each circular dielectric element, so that the patch part is comprehensively monitored in temperature; on the other hand, the N electrode units share the data channel of the connecting circuit, and four channels connected in series with the connecting circuit are arranged on the wire outgoing rod, so that the number of core wires in the wire outgoing rod can be reduced by using the wire part to connect the four channels on the wire outgoing rod, the wire outgoing rod of the same type can be compatible with electrode patches of various types, and the use reliability of the electrode patches is improved to ensure the treatment effect.
In a possible embodiment, the diameter of the circular substrate is larger than the diameter of the circular dielectric element, so that a dispensing space is reserved on the circular substrate.
In another possible embodiment, an insulating ring is disposed on the circular substrate, and the insulating ring is disposed around the outside of the digital temperature chip, and is used for isolating the via pad and the pin of the digital temperature chip.
In other possible embodiments, the flexible circuit board forms an open space through which the outlet bar does not pass.
In a third aspect, the present utility model provides an electric field therapy system, including a signal generator, a connector, and an electrode patch according to any one of the embodiments of the second aspect, where the electrode patch is electrically connected to the signal generator through the connector. According to the embodiment, the electrode patch can be attached to a patient, the connector is used for connecting the signal generator and the electrode patch, the signal generator controls the electrode patch to generate an alternating electric field so as to treat the patient by the electric field, meanwhile, the electrode patch is provided with a plurality of digital temperature chips, comprehensive temperature monitoring can be carried out on the electrode patch, and the plurality of digital temperature chips share four paths of connecting channels at the outlet rod, so that the number of core wires inside the wire guide part can be reduced, the diameter of the wire guide part is reduced, and the treatment reliability is improved.
Drawings
FIG. 1 is an exploded view of an electrode unit in an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of an electrode patch and a lead portion in an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a connection circuit on the opposite side of a connection portion according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a connection circuit on the front of the connection portion according to an embodiment of the present utility model;
FIG. 5 is a top view of an electrode patch in an embodiment of the utility model;
FIG. 6 is a schematic diagram of a connection circuit of an electrode patch according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a tumor electric field treatment system according to an embodiment of the present utility model.
Reference numerals illustrate:
1. an electrode unit; 11. a flexible circuit board; 111. a circular substrate; 112. a connection part; 12. a digital temperature chip; 13. a circular dielectric element; 14. a positioning ring; 15. gel; 2. a through hole; 3. a via pad; 4. a connection circuit; 5. an insulating ring; 6. electrode patches; 61. a patch part; 611. a nonwoven fabric; 62. a wire part; 63. a wire outlet rod; 7. a signal generator; 8. a connector.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. As used herein, the word "comprising" and the like means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof without precluding other elements or items.
Aiming at the problems existing in the prior art, the utility model provides an electrode unit 1 for electric field treatment of tumors, referring to fig. 1 and 2, the electrode unit 1 comprises a flexible circuit board 11, a digital temperature chip 12 and a circular dielectric element 13, wherein the digital temperature chip 12 and the circular dielectric element 13 are electrically connected to the flexible circuit board 11, and the flexible circuit board 11 supplies power to the digital temperature chip 12 and the circular dielectric element 13 and transmits signals.
Referring to fig. 1, the middle portion of the circular dielectric element 13 is perforated with a through hole 2, and after the circular dielectric element 13 is soldered on the circular substrate 111, the digital temperature chip 12 is just located in the through hole 2 of the circular dielectric element 13, and it is apparent that when the electrode unit 1 is in use, the flexible circuit board 11 supplies power to the circular dielectric element 13 and the digital temperature chip 12, and at the same time the digital temperature chip 12 monitors the temperature change on the circular dielectric element 13 and transmits the temperature change through the flexible circuit board 11.
Referring to fig. 2, a circular substrate 111 is disposed on the flexible circuit board 11, the flexible circuit board 11 includes a connection portion 112, the digital temperature chip 12 is soldered at the middle of the circular substrate 111, the circular substrate 111 is provided with a bonding pad around the digital temperature chip 12, and the circular dielectric element 13 is connected with the circular substrate 111 through the bonding pad and electrically connected with each other. Referring to fig. 3, the circular substrate 111 is provided with three via pads 3 on the peripheral side of the digital temperature chip 12, and the digital temperature chip 12 has three pins corresponding to the three via pads 3, so as to electrically connect the digital temperature chip 12 and the circular substrate 111. The connecting portion 112 is provided with a four-channel connecting circuit 4, wherein one end of the three channels is respectively connected to the three via pads 3 of the digital temperature chip 12, so that the connecting circuit 4 is electrically connected with the digital temperature chip 12. The reverse side of the connecting part 112 is provided with three bonding pads, the other end of the three-way channel is respectively connected with the three bonding pads on the reverse side of the connecting part 112, and the three-way channel connects out the pins of the digital temperature chip 12, thereby being beneficial to connecting the digital temperature chip 12.
In addition, referring to fig. 4, one end of the remaining path of the connection circuit 4 is connected to the circular dielectric element 13, and the other end of the remaining path of the connection circuit is electrically connected to the bonding pad on the front surface of the connection portion 112, so that the access terminal of the circular dielectric element 13 is led out, so that the connection of the circular dielectric element 13 is facilitated. It will be appreciated that when the electrode unit 1 is in use, external wires are connected to the four pads of the connection 112, whereby an electrical connection of the external wires to the digital temperature chip 12, the circular dielectric element 13 is achieved, and the external wires are connected to the signal generator 7, whereby the signal generator 7 controls the electrode unit 1 to generate an alternating electric field, and the digital temperature chip 12 in the electrode unit 1 monitors the temperature change on the circular dielectric element 13 and transmits it to the signal generator 7.
In some embodiments, the circular dielectric element 13 is a high dielectric sheet with a relatively high dielectric constant.
In some embodiments, the diameter of the circular dielectric element 13 is smaller than the diameter of the circular substrate 111, so as to reserve a dispensing space on the circular substrate 111.
In some embodiments, referring to fig. 3, an insulating ring 5 is disposed on the circular substrate 111, the insulating ring 5 is disposed around the outside of the digital temperature chip 12, and the insulating ring 5 is used to isolate the via pad 3 from pins of the digital temperature chip 12 located in other via pads 3, so as to avoid the digital temperature chip 12 from generating a short circuit on the circular substrate 111.
Referring to fig. 1, the electrode unit 1 further includes a positioning ring 14 and a gel 15, the positioning ring 14 is fixedly sleeved on the outer periphery of the circular dielectric element 13, the gel 15 is covered on the surface of the circular dielectric element 13, and the edge of the gel 15 is adhered to the positioning ring 14, so that the connection stability of the positioning ring 14 and the circular dielectric element 13 is improved.
In some embodiments, referring to fig. 2, the electrode unit 1 is adhered to the non-woven fabric 611, the non-woven fabric 611 plays a role of supporting the electrode unit 1, and the electrode unit 1 is located between the non-woven fabric 611 and the patient's body when the patient is treated.
In some embodiments, the surface of the positioning ring 14 has an adhesive property, and the surface of the positioning ring 14 having no adhesive property is adhered to the non-woven fabric 611, so that the positional stability of the whole electrode unit 1 on the non-woven fabric 611 can be improved.
Referring to fig. 2, the present utility model further provides an electrode patch 6, which includes a patch portion 61 and a wire portion 62 electrically connected to the patch portion 61; the patch part 61 is used for being attached to the body of a patient to generate an alternating electric field, one end of the wire part 62 is connected with the patch part 61, and the other end of the wire part 62 is electrically connected with the signal generator 7 through the connector 8.
Referring to fig. 5, the patch part 61 includes a nonwoven fabric 611 having an adhesive single face and N electrode units 1 as in any of the above embodiments, where N is a positive integer, connected in series and located on the adhesive side of the nonwoven fabric 611. The patch part 61 is provided with an outgoing line rod 63, and the outgoing line rod 63 includes four channels connected in series with the connection circuit 4, see fig. 6, wherein one ends of the three channels of the outgoing line rod 63 are respectively connected to the via pads 3 of the digital temperature chip 12 of the electrode unit 1, and are electrically connected with the digital temperature chip 12. Three bonding pads are arranged on the back surface of the outgoing line rod 63, and the other ends of the three paths of channels of the outgoing line rod 63 are respectively connected to the three bonding pads on the back surface of the outgoing line rod 63. The N electrode units 1 in the electrode patch are connected in series with each other and share the data channel in the connection circuit 4. When the device is powered on, the adhesive side of the non-woven fabric 611 can be attached to the patient body, so that the N electrode units 1 are located between the non-woven fabric 611 and the patient body, and when the device is powered on, an alternating electric field is generated.
In some embodiments, the diameter of the circular dielectric element 13 is smaller than the diameter of the circular substrate 111, so as to reserve a dispensing space on the circular substrate 111.
In some embodiments, referring to fig. 5 and 6, a plurality of electrode units 1 disposed on a non-woven fabric 611 are connected in series through a connection portion, the electrode units at the head and tail are not connected, the flexible circuit boards 11 on the plurality of electrode units 1 together form a closed two-dimensional pattern, and an open space is formed, and the wire outgoing rod 63 does not pass through the open space surrounded by the flexible circuit boards 11.
Referring to fig. 7, the present utility model further provides a tumor electric field treatment system, which includes a signal generator 7, a connector 8, and the electrode patch 6 in any of the above embodiments, wherein the electrode patch 6 is electrically connected to the signal generator 7 through the connector 8. The electrode patch 6 is attached to the body of a patient, and the electrode patch 6 is electrically connected with the signal generator 7 through the connector 8, so that the signal generator 7 controls the electrode patch 6 to generate an alternating electric field to treat the patient by the electric field, and when the electrode patch 6 generates the alternating electric field, the digital temperature chip 12 monitors the temperature change of each circular dielectric element 13 and comprehensively monitors the whole temperature of the electrode patch 6.
While embodiments of the present utility model have been described in detail hereinabove, it will be apparent to those skilled in the art that various modifications and variations can be made to these embodiments. It is to be understood that such modifications and variations are within the scope and spirit of the present utility model as set forth in the following claims. Moreover, the utility model described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (7)
1. An electrode unit applied to electric field treatment of tumors, which is characterized by comprising a flexible circuit board, a digital temperature chip and a circular dielectric element;
the flexible circuit board is provided with a circular substrate, the flexible circuit board comprises a connecting part, the digital temperature chip is positioned in the middle of the circular substrate, the circular dielectric element is connected with the circular substrate through a bonding pad, and the digital temperature chip is exposed in a through hole in the middle of the circular dielectric element;
the connecting part is provided with a connecting circuit of four channels, wherein one end of each of the three channels is respectively connected to three via hole welding discs beside the digital temperature chip, and the other end of each of the three channels is respectively connected to three welding discs on the back surface of the connecting part of the electrode patch; the remaining one-way channel is connected at one end to the circular dielectric element and at the other end to a pad on the front side of the connection.
2. The electrode unit according to claim 1, further comprising a positioning ring and gel, wherein the positioning ring is fixedly sleeved on the periphery of the circular dielectric element, one surface of the positioning ring is sticky, one surface of the positioning ring, which is not sticky, is stuck on the non-woven fabric, the gel covers the surface of the circular dielectric element, and the edge of the gel is stuck on the positioning ring.
3. An electrode patch is characterized by comprising a patch part and a lead part electrically connected with the patch part;
the patch part comprises a non-woven fabric with an adhesive single surface and N electrode units which are connected in series and are fixed on one side of the non-woven fabric with the adhesive, and is used for being attached to the body of a patient to generate an alternating electric field, wherein N is a positive integer, and the N electrode units share a data channel of the connecting circuit;
the patch part is provided with an outgoing line rod, the outgoing line rod comprises four channels connected in series with the connecting circuit, and one end of each of the three channels of the outgoing line rod is respectively connected to three via hole welding discs beside the digital temperature chip of the electrode unit; the other ends of the three paths of channels of the wire outlet rod are respectively connected to three bonding pads on the back surface of the wire outlet rod; one end of the rest channel of the wire outlet rod is connected to the circular dielectric element of the electrode unit, and the other end of the rest channel of the wire outlet rod is connected to a bonding pad on the front surface of the wire outlet rod;
one end of the wire part is connected with the patch part, and the other end of the wire part is electrically connected with the signal generator through a connector.
4. The electrode patch of claim 3, wherein the diameter of the circular substrate is greater than the diameter of the circular dielectric element such that a spot-size space is reserved on the circular substrate.
5. The electrode patch of claim 3, wherein an insulating ring is disposed on the circular substrate, the insulating ring is disposed around the outside of the digital temperature chip, and the insulating ring is used to isolate the via pad from the pins of the digital temperature chip.
6. The electrode patch of claim 3, wherein the flexible circuit board forms an open space through which the wire-out bar does not pass.
7. A tumor electric field therapy system comprising a signal generator, a connector, and an electrode patch according to any one of claims 3 to 6, said electrode patch being electrically connected to said signal generator by said connector.
Priority Applications (1)
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CN202320111381.5U CN219022998U (en) | 2023-01-19 | 2023-01-19 | Electrode unit, electrode patch and tumor electric field treatment system |
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CN202320111381.5U CN219022998U (en) | 2023-01-19 | 2023-01-19 | Electrode unit, electrode patch and tumor electric field treatment system |
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CN219022998U true CN219022998U (en) | 2023-05-16 |
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CN202320111381.5U Active CN219022998U (en) | 2023-01-19 | 2023-01-19 | Electrode unit, electrode patch and tumor electric field treatment system |
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