CN219128025U

CN219128025U - Tumor electric field treatment system and electrode slice thereof

Info

Publication number: CN219128025U
Application number: CN202223562251.8U
Authority: CN
Inventors: 惠嘉杰; 沈琪超; 应建俊
Original assignee: Jiangsu Hailai Xinchuang Medical Technology Co Ltd
Current assignee: Jiangsu Hailai Xinchuang Medical Technology Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-06
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a tumor electric field treatment system and an electrode slice thereof, wherein the electrode slice comprises: a substrate; the electrode slice units are arranged in a one-to-one correspondence manner with the temperature detection units and are configured into at least three row groups and at least three column groups; the signal ends of the corresponding temperature detection units in each column group are connected together to serve as temperature sampling points, and the grounding ends of the corresponding temperature detection units in each row group are connected to a grounding pin through a switch unit; the handshake chip is suitable for handshake communication with external equipment to judge the connection state of the electrode plates, and after handshake communication is completed between the handshake chip and the external equipment, the temperature signals detected by the corresponding temperature detection units in each row group are simultaneously sampled by the corresponding temperature sampling points by configuring the switch state of the switch unit. Thus, the coverage rate of the temperature sensor can be effectively increased under the condition of controlling the number of the cable cores.

Description

Tumor electric field treatment system and electrode slice thereof

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a tumor electric field treatment system, an electrode plate thereof and a temperature detection method.

Background

Tumor electric field therapy is a tumor therapeutic method which utilizes an electric field generator to generate a low-intensity, medium-high-frequency and alternating electric field to interfere with the mitosis process of tumor cells. The electric field applied by the treatment method can influence the aggregation of tubulin, prevent the formation of spindle body, inhibit the mitosis process and induce the apoptosis of cancer cells.

At present, a tumor electric field treatment system mainly comprises an electric field generating device, a switching device electrically connected with the electric field generating device and a plurality of pairs of electrode plates electrically connected with the electric field generating device through the switching device. The electric field generating device transmits alternating electric signals for tumor electric field treatment to each pair of electrode plates through the switching device, and then the alternating electric field is applied to the tumor part of the patient through the electrode plates to carry out tumor electric field treatment. When the electric field is applied to the body of a patient, heat is accumulated at the corresponding position of the electrode plate, which is applied to the skin, so that the temperature of the electrode plate, which corresponds to the tumor part of the patient, needs to be monitored in real time, and when the temperature of the body surface is too high, the intensity of the alternating electric field needs to be adjusted in time, so that low-temperature scalding of the skin of the patient caused by the too high temperature is avoided.

In the related art, the electrode sheet is provided with thermistor elements on its corresponding electrode units, and a plurality of thermistor elements are connected in parallel with each other, and the temperature change of the corresponding electrode units is monitored in real time by the resistance change of the thermistor elements. For example, in an electrode sheet having 9 electrode units, 8 thermistor elements are provided, and the resistance values of the 8 thermistor elements are transmitted through a 10-core cable. When the electrode units are increased, if one thermistor element is arranged on each electrode unit to achieve hundred percent coverage rate of the thermistor elements, comprehensive temperature monitoring is achieved, patient use safety is guaranteed, a plurality of thermistor elements are connected in parallel, cables with the same number of wires as the thermistor elements are needed to be configured, analog temperature signals detected by each thermistor element are transmitted to the switching device in parallel, the weight of the cable of the electrode plate is increased along with the increase of the thermistor elements, the application effect between the electrode plate and the corresponding body surface of the tumor part of the patient is affected, the load of the patient is increased, and discomfort is caused.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the first object of the present utility model is to provide an electrode sheet for tumor electric field therapy system, which can effectively increase the coverage rate of a temperature sensor under the condition of controlling the number of cores of cables, avoid the overload of the electrode sheet, and maintain the application effect of the electrode sheet.

A second object of the present utility model is to propose a tumour electric field therapy system.

A third object of the present utility model is to propose a tumour treatment device.

To achieve the above object, an embodiment of a first aspect of the present utility model provides an electrode sheet for a tumor electric field therapy system, including a substrate, a plurality of electrode sheet units capable of applying an alternating electric field provided on the substrate, a plurality of temperature detection units provided in one-to-one correspondence with the plurality of electrode sheet units and used for detecting a temperature at each electrode sheet unit, and a handshake chip provided on the substrate and adapted to handshake communication with an external device to determine a connection state of the electrode sheet, the plurality of electrode sheet units being configured into at least three row groups and at least three column groups on a circuit connection; each temperature detection unit is provided with a signal end and a grounding end, the signal ends of the corresponding temperature detection units in each column group are connected together to serve as temperature sampling points, and the grounding ends of the corresponding temperature detection units in each row group are connected to a grounding pin through a switch unit; after handshake communication is completed between the handshake chip and the external equipment, temperature signals detected by corresponding temperature detection units in each row group are sampled by corresponding temperature sampling points simultaneously based on the switch state configured by the switch units.

According to the electrode slice provided by the embodiment of the utility model, the plurality of electrode slice units are configured into at least one row group and at least one column group, the signal ends of the corresponding temperature detection units in each column group are connected together to serve as temperature sampling points, the grounding ends of the corresponding temperature detection units in each row group are commonly connected to the grounding pin through the switch unit, and handshake communication is carried out between the handshake chip and external equipment to judge the connection state of the electrode slice, wherein after the handshake communication is completed between the handshake chip and the external equipment, the temperature signals detected by the corresponding temperature detection units in each row group are simultaneously sampled by the corresponding temperature sampling points through configuring the switch state of the switch unit. Therefore, the coverage rate of the temperature sensor can be effectively increased under the condition of controlling the number of the cable cores, the overlarge load of the electrode plate is avoided, and the application effect of the electrode plate is maintained.

Further, the type of the electrode sheet is identified based on the temperature signal detected by each of the temperature detecting units that are sampled.

Further, the ground pin of the handshake chip is connected to the ground pin through the switch unit, and the communication pin of the handshake chip is connected to the adapter unit of the tumor electric field treatment system through a communication line.

Further, the handshake chip stores energy when the communication line transmits high level and releases energy when the communication line transmits low level through the external energy storage element.

Further, the energy storage element is a capacitor.

Further, each temperature detection unit comprises a temperature sensor and a diode, wherein the diode is provided with an anode and a cathode, the anode of the diode is connected with the temperature sensor, and the cathode of the diode is used as a grounding end of the temperature detection unit.

Further, each temperature sampling point is connected to a direct current power supply through a corresponding voltage dividing resistor.

Further, the divider resistor and the switch unit are both disposed in an adapter unit of the tumor electric field therapy system.

Further, the sampled temperature signals detected by each temperature detection unit are also used for representing whether the electrode plate is abnormal in temperature or not.

To achieve the above object, an embodiment of a second aspect of the present utility model provides a tumor electric field treatment system, including: at least one pair of the electrode sheets; an electric field generator generating an alternating electric signal; and transmitting alternating electric signals to the adapter unit of each electrode slice, carrying out handshake communication between the adapter unit and the handshake chip, configuring the switching state of the switching unit after the handshake communication is finished, and simultaneously sampling the temperature signals detected by the corresponding temperature detection units in each row group through the corresponding temperature sampling points.

According to the tumor electric field treatment system provided by the embodiment of the utility model, the adapter unit is used for carrying out handshake communication with the handshake chip, and the switching state of the switching unit is configured after the handshake communication is completed, so that the temperature signals detected by the corresponding temperature detection units in each row group are sampled through the corresponding temperature sampling points, the coverage rate of the temperature sensor can be effectively increased under the condition of controlling the number of cores of the cables, the overload of the electrode plate is avoided, and the application effect of the electrode plate is maintained.

Further, the adaptor unit comprises a first adaptor and at least one pair of second adaptors, the second adaptors being adapted to connect to respective electrode pads, the first adaptor being adapted to connect each of the second adaptors to the electric field generator.

Further, the second adapter includes a first controller and an ADC sampling unit, where the first controller configures a switching state of the switching unit when receiving a handshake signal sent by the electric field generator, so that the handshake chip is powered on, sends the handshake signal to the handshake chip, determines whether handshake communication is completed with the handshake chip according to a feedback signal of the handshake chip, and after the handshake communication is completed, configures the switching state of the switching unit, so that the ADC sampling unit samples temperature signals detected by corresponding temperature detecting units in each row group through corresponding temperature sampling points at the same time, and obtains a plurality of AD sampling values.

Further, the first controller is further configured to identify a type of the corresponding electrode pad according to the plurality of AD sampling values.

Further, the first controller is further configured to determine, according to the plurality of AD sampling values, whether a temperature abnormality occurs in the corresponding electrode slice during the process of transmitting the alternating electric signal to the corresponding electrode slice by the electric field generator.

Further, the second adapter further comprises a filtering unit, the filtering unit is arranged between the ADC sampling unit and the corresponding temperature sampling point, and the filtering unit is used for carrying out filtering processing on the temperature signal detected by each temperature detection unit.

Further, the second adapter further comprises a first communication unit, the first adapter comprises a second communication unit and a second controller, the second communication unit is connected with the first communication unit, wherein the first controller is further used for sending a feedback signal of the handshake chip to the second controller, so that the second controller judges whether the handshake communication is completed between the first controller and the handshake chip according to the feedback signal of the handshake chip.

Further, the first controller is further configured to send the plurality of AD sample values to the second controller, so that the second controller identifies a type of the corresponding electrode pad according to the plurality of AD sample values.

Further, the second controller is further configured to determine, according to the plurality of AD sampling values, whether a temperature abnormality occurs in the corresponding electrode slice during the process of transmitting the alternating electric signal to the corresponding electrode slice by the electric field generator.

Further, the first adapter further includes a third communication unit, where the third communication unit is connected to the second controller and the electric field generator, and the first controller is further configured to send, through the first adapter, a feedback signal of the handshake chip to the electric field generator, so that the electric field generator determines, according to the feedback signal of the handshake chip, whether handshake communication is completed between the first controller and the handshake chip.

Further, the first controller is further configured to send the plurality of AD sample values to the electric field generator through the first adapter, so that the electric field generator identifies a type of the corresponding electrode pad according to the plurality of AD sample values.

Further, the electric field generator is further configured to determine whether a temperature abnormality occurs in the corresponding electrode plate according to the plurality of AD sampling values during the transmission of the alternating electric signal to the corresponding electrode plate.

Further, the tumor electric field treatment system further comprises: at least one first connector, each first connector adapted to connect a respective second adapter to the first adapter; at least one second connector, each of the second connectors adapted to connect a respective electrode pad to a corresponding second adapter; a third connector adapted to connect the electric field generator to the first adapter.

Further, the first connector is configured to connect the second adaptor with the first adaptor by means of a connector, the second connector is configured to connect the second adaptor with the electrode pad by means of a connector, and the third connector is configured to connect the first adaptor with the electric field generator by means of a connector.

Further, the number of the electrode plates is 4.

To achieve the above object, an embodiment of a third aspect of the present utility model provides a tumor treatment apparatus, including: at least one pair of electrode plates, or the tumor electric field treatment system.

According to the tumor treatment equipment provided by the embodiment of the utility model, the coverage rate of the temperature sensor can be effectively increased under the condition of controlling the number of the cores of the cables by the electrode slice or the tumor electric field treatment system, so that the overload of the electrode slice is avoided, and the application effect of the electrode slice is maintained.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of a tumor electric field therapy system according to an embodiment of the utility model;

FIG. 2 is a schematic view of the structure of one electrode pad and the second adapter in FIG. 1;

FIG. 3 is a schematic view of the first adapter of FIG. 1;

FIG. 4 is a flow chart of a method for detecting temperature of a tumor electric field therapy system according to an embodiment of the utility model;

FIG. 5 is a flowchart of the operation of a oncological electric field therapy system according to one embodiment of the present utility model;

FIG. 6 is a flow chart of temperature detection of a oncological electric field therapy system according to one embodiment of the present utility model;

fig. 7 is a schematic view showing the structure of an electrode pad and a second adapter according to another embodiment of the present utility model;

fig. 8 is a schematic structural view of an electrode tab and a second adapter according to still another embodiment of the present utility model.

Reference numerals:

1000. a tumor electric field treatment system; 10. an electric field generator; 21. a third cable; 22. a third connector; 23. a third socket; 24. a third plug; 25. a first connector; 26. a second socket; 27. a second plug; 28. a second cable; 29. a first socket; 30. a first plug; 31. a second connector; 32. a first cable; 40. a second adapter; 42. a first communication unit; a resistor group 43; 44. a switching unit; 45. a first controller; 46. an ADC sampling unit; 47. a filtering module; 50. an electrode sheet; 51. an electrode sheet unit; 52. a diode; 53. a temperature sensor; 54. a handshake chip; 55. an electrical functional component; 56. a substrate; 60. a first adapter; 61. a second communication unit; 62. a second controller; 63. and a third communication unit.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 1, a tumor electric field therapy system 1000 includes: at least one pair of electrode pads 50, an adapter unit and an electric field generator 10, the at least one pair of electrode pads 50 being arranged in pairs on the patient's body surface, the adapter unit comprising a first adapter 60 and at least one pair of second adapters 40, the second adapters 40 being adapted to connect the respective electrode pads 50, the first adapter 60 being adapted to connect each second adapter 40 to the electric field generator 10. That is, the tumor electric field treatment system 1000 includes electrode pads 50 disposed on the body surface of the patient in pairs, a second adapter 40 electrically connected to the electrode pads 50, a first adapter 60 electrically connected to the second adapter 40, and an electric field generator 10 electrically connected to the first adapter 60.

The electric field generator 10 generates an alternating electric signal for tumor electric field therapy and transmits the alternating electric signal to each pair of electrode pads 50 through the first adapter 60 and the second adapter 40 to form an alternating electric field between the pair of electrode pads 50 to act on a tumor site of a patient for tumor therapy. In this embodiment, the tumor electric field therapy system 1000 includes two pairs of electrode pads 50, including electrode pad 50X1, electrode pad 50Y1, electrode pad 50X2, and electrode pad 50Y2, as shown in FIG. 1. The electric field generator 10 generates two sets of switched alternating electric signals X1 and X2, Y1 and Y2, wherein the alternating electric signals X1, X2 are one set and are simultaneously applied to the pair of electrode pads 50 through the first adapter 60, the second adapter 40; the alternating electrical signals Y1, Y2 are in one group simultaneously applied to the other pair of electrode pads 50 through the first adapter 60, the second adapter 40. Wherein the electrode sheet 50X1 and the electrode sheet 50X2 are a pair, and alternating signals X1 and X2 applied to the electrode sheet 50X1 and the electrode sheet 50X2 are closed and opened simultaneously; the electrode 50Y1 and the electrode 50Y2 are paired, and the alternating electric signals Y1 and Y2 applied to the electrode 50Y1 and the electrode 50Y2 are turned off and turned on at the same time.

Referring to fig. 1 and 2, each electrode sheet 50 includes a backing (not shown), an electrical functional component 55 supported by the backing (not shown), and a first cable 32 electrically connected to the electrical functional component 55. A second connector 31 is provided between each electrode tab 50 and the second adapter 40, the second connector 31 being adapted to connect the respective electrode tab 50 to the respective second adapter 40. The second connector 31 includes a first plug 30 disposed at an end of the first cable 32 away from the electrical functional component 55 and a first socket 29 disposed on the second adapter 40, where the first plug 30 and the first socket 29 are connectors, i.e. the second connector 31 connects the second adapter 40 with the electrode pad 50 by adopting a connector manner.

The electrical function assembly 55 includes a substrate 56, a plurality of electrode sheet units 51 provided on the substrate 56, a plurality of temperature detection units, and a handshaking chip 54. Each electrode sheet unit 51 may apply an alternating electric field. Each temperature detection unit is provided in one-to-one correspondence with the electrode sheet unit 51 to detect the temperature at the corresponding electrode sheet unit 51. In fig. 2, the electrical function assembly 55 includes 20 electrode sheet units 51 provided on the base plate 56 at intervals and applying an alternating electric field to the patient, and 20 temperature detection units provided on the base plate 56. Each temperature detection unit comprises a temperature sensor 53 and unidirectional conductive electronic elements such as a diode 52, the diode 52 has an anode and a cathode, the anode of the diode 52 is connected with the temperature sensor 53, the cathode of the diode 52 serves as the grounding end of the temperature detection unit, the temperature at the corresponding electrode plate unit 51 is detected by the temperature sensor 53, and the influence of the resistance value of the other temperature sensors 53 on the detected resistance value of the temperature sensor 53 is avoided by the diode 52. The middle portion of each electrode sheet unit 51 has a penetrating hole (not shown) in which one temperature sensor 53 and one diode 52 connected in series are accommodated. Optionally, the electrode sheet unit 51 is a dielectric element, such as a high dielectric ceramic sheet; the temperature sensor 53 is a thermistor; diode 52 is a low leakage current, low turn-on voltage diode, and handshaking chip 54 is an EEPROM with encryption.

The electrode sheet 50 has various types such as: the electrode sheet 50 with 20 electrode sheet units 51 is denoted as C-type electrode sheet 50, the electrode sheet 50 with 13 electrode sheet units 51 is denoted as B-type electrode sheet 50, and the electrode sheet 50 with 9 electrode sheet units 51 is denoted as a-type electrode sheet 50. The electrode sheet 50 may also be provided with other numbers of electrode sheet units 51. Fig. 1 shows C-shaped electrode sheets 50, and 20 electrode sheet units 51 are provided on each electrode sheet 50. The 20 electrode sheet units 51 are arranged in a substantially array, for example, the 20 electrode sheet units 51 may be arranged in four rows and five columns, and each row has 5 electrode sheet units 51; for another example, the 20 electrode plate units 51 may be arranged in four rows and six columns (as shown in fig. 1), where the first row and the fourth row are four electrode plate units 51, the four electrode plate units 51 in each of the first row and the fourth row are located in each of the second column to the fifth column, the middle two rows are six electrode plate units 51, and the six electrode plate units 51 in each of the middle two rows are located in each of the first column to the sixth column.

The plurality of electrode pad units 51 are configured into at least three row groups and at least three column groups, the signal terminals of the corresponding temperature detecting units in each column group are connected together as temperature sampling points, and the ground terminals of the corresponding temperature detecting units in each row group are commonly connected to the ground pin GND through the switching unit 44 in the second adapter 40. In fig. 2, 20 electrode pad units 51 are connected in parallel to the same conductive trace of the substrate 56, correspondingly transmitting an alternating electrical signal AC. Each temperature detection unit is provided with a signal end and a grounding end. The 20 temperature detection units are divided into four row groups and five column groups, the grounding ends of the 5 temperature detection units of each row group are all short-circuited through the same path of conductive trace of the substrate 56 and are connected to the grounding pin GND through the switch unit 44, and the signal ends of the 5 temperature detection units of each row group are respectively connected in parallel through the 5 paths of conductive trace of the substrate 56; the signal ends of the 4 temperature detection units in each column group are all short-circuited through the same path of conductive trace of the substrate 56, the short-circuited point is used as a temperature sampling point, and the grounding ends of the 4 temperature detection units in each column group are connected in parallel through the 4 paths of conductive trace of the substrate 56.

In the example of fig. 2, the substrate 56 and the second connector 31 each include 4 ground lines (No. 1, no. 2, no. 3, no. 4) connected to the ground pin GND, 5 signal lines (No. 6, no. 7, no. 8, no. 9, no. 10) transmitting analog temperature signals detected by the corresponding temperature detecting units, and one alternating power line (No. 11) transmitting alternating electric signals AC. The substrate 56 and the second connector 31 each further include a communication line (No. 5 wire) for transmitting a communication signal to the second adapter 40 with the handshake chip 54 provided on the substrate 56. As shown in fig. 1 and 2, the first cable 32 is electrically connected to the substrate 56, and has 11 wires, which are respectively in one-to-one correspondence with 4 ground wires (No. 1 wire, no. 2 wire, no. 3 wire, no. 4 wire) connected to the ground pin GND, 5 signal wires (No. 6 wire, no. 7 wire, no. 8 wire, no. 9 wire, no. 10 wire) transmitting the analog temperature signals detected by the corresponding temperature detecting units, one alternating power supply wire (No. 11 wire) transmitting the alternating electric signal AC, and one communication wire (No. 5 wire) transmitting the communication signals to the second adapter 40 by the handshake chip 54.

The ground pin of the handshake chip 54 is connected to a ground line (one of the wires 1, 2, 3 and 4) and to the ground pin GND through the switching unit 44, and the communication pin of the handshake chip 54 is connected to the second adapter 40 of the adapter unit through a communication line (wire 5). As shown in fig. 2, the handshake chip 54 is connected to the No. 5 wire on the second connector 31 to obtain a power supply and turn on a data communication function, the handshake chip 54 is connected to a ground wire on the second connector 31 to obtain a controllable GND electrical connection, and in this embodiment, referring to fig. 2, the handshake chip 54 is connected to the No. 4 ground wire on the second connector 31. The handshake chip 54 can store energy when the communication line (No. 5 wire) transmits high level and release energy when the communication line (No. 5 wire) transmits low level through an external energy storage element (not shown), so that the handshake chip 54 has enough electric quantity and works normally. Optionally, the energy storage element is a capacitor. Thus, the handshake chip 54 can work normally by using only 1 wire in addition. The handshake chip 54 is adapted to perform handshake communication with an external device, such as the electric field generator 10, to determine the connection state of each pair of electrode pads 50, wherein after the handshake communication is completed between the handshake chip 54 and the electric field generator 10, the switch state of the switch unit 44 is configured so that the analog temperature signals detected by the corresponding temperature detection units in each row group are simultaneously sampled by the corresponding temperature sampling points. The analog temperature signal detected by each sampled temperature detection unit after conversion can be used for representing the type of the electrode slice 50 under the condition that the electrode slice 50 is qualified, and can also be used for representing whether the electrode slice 50 has abnormal temperature.

Referring to fig. 1 and 2, the second adaptor 40 includes a first controller 45, an ADC sampling unit 46, a filtering unit 47, a first communication unit 42, a switching unit 44, a resistor group 43, and a second cable 28. The first controller 45, the ADC sampling unit 46, the filtering unit 47, the first communication unit 42, the switching unit 44, and the resistor group 43 are all disposed inside the second adapter 40. The second cable 28 and the first socket 29 are respectively disposed on two opposite sides of the second adapter 40.

The first controller 45 is electrically connected to the communication line (No. 5 wire) of the second connector 31 and the substrate 56 to communicate data with the handshake chip 54. The first controller 45 configures the switching state of the switching unit 44 when receiving the handshake signal sent by the electric field generator 10, so that the handshake chip 54 is powered on, sends the handshake signal to the handshake chip 54, judges whether handshake communication is completed with the handshake chip 54 according to the feedback signal of the handshake chip 54, and after the handshake communication is completed, through configuring the switching state of the switching unit 44, the ADC sampling unit 46 samples the temperature signal detected by the corresponding temperature detection unit in each row group through the corresponding temperature sampling point at the same time, so as to obtain a plurality of AD sampling values, and further, when the electrode sheet 50 is qualified, the type of the corresponding electrode sheet 50 can be identified according to the plurality of AD sampling values, and also, in the process of transmitting the alternating electric signal to the corresponding electrode sheet 50 by the electric field generator 10, whether the temperature abnormality occurs in the corresponding electrode sheet 50 can be judged according to the plurality of AD sampling values. When the switch state of the switch unit 44 is configured, the first controller 45 may control the switch unit 44 to electrically connect the 4-way ground wires 1, 2, 3, 4 in the second connector 31 with the ground pin GND in sequence, so as to energize a group of temperature detection units connected with the corresponding one-way ground wire for temperature detection. When the first controller 45 controls the switching unit 44 to electrically connect one of the 4 paths of the second connector 31 to the ground pin GND, the first controller 45 also controls the switching unit 44 to electrically disconnect the other three paths of the second connector 31 from the ground pin GND.

The resistor group 43 is 5 high-precision voltage dividing resistors, and is respectively connected in series to the direct current power supply VCC and 5 signal lines (No. 6, no. 7, no. 8, no. 9, and No. 10) of the analog temperature signals (voltage values of the temperature detecting units) detected by the corresponding temperature detecting units of the second connector 31, that is, each temperature sampling point is connected to the direct current power supply VCC through the corresponding voltage dividing resistor. The 5 voltage dividing resistors are connected in series with the corresponding temperature detecting units for dividing the voltage of the temperature detecting units, and the voltage values are converted into digital temperature signals through the ADC sampling units 46 to obtain AD sampling values, wherein the AD sampling values correspond to the digital temperatures. Accordingly, the AD sampling values may be partitioned by temperature range in order to identify the type of the corresponding electrode sheet 50 and judge whether or not the corresponding electrode sheet 50 is abnormal in temperature. If the AD sampling value deviates significantly from the detected temperature range, for example, below 0 ℃ or above 50 ℃, it is determined that the temperature detection unit and the electrode sheet unit 51 are not provided at the sampling point corresponding to the AD sampling value, so as to determine the number of the electrode sheet units 51 to identify the type of the electrode sheet 50.

The filtering unit 47 is disposed between the ADC sampling unit 46 and the corresponding temperature sampling point, and the filtering unit 47 is configured to perform filtering processing on the temperature signal detected by each temperature detecting unit. The filtering unit 47 includes 5 sets of filters in one-to-one correspondence with the resistor sets 43, and serves to attenuate the intensity of the signal above the set cut-off frequency. The first group of filters is connected in series with the 1, 6 ports in the filtering unit 47; the second set of filters is connected in series with the 2, 7 ports in the filter unit 47; the third group of filters is connected in series with the 3, 8 ports in the filtering unit 47; the fourth group of filters is connected in series with the 4, 9 ports in the filtering unit 47; the fifth set of filters is connected in series with the 5, 10 ports in the filtering unit 47. Alternatively, the filter uses a first order RC low pass filter with a cut-off frequency of less than 1/10 of the AC frequency of the alternating electrical signal. Optionally, a voltage follower may be added to the filtering unit 47 to optimize the ADC sampling unit 46 sampling.

The ADC sampling unit 46 has 5 acquisition channels 1, 2, 3, 4, 5. The 5 acquisition channels of the ADC sampling unit 46 are electrically connected to a corresponding set of filters of the filtering unit 47, respectively. Specifically, the 5 acquisition channels of the ADC sampling unit 46 are respectively connected to the

ports

6, 7, 8, 9, and 10 of the filtering unit 47 in a one-to-one correspondence manner, so as to be respectively electrically connected to a corresponding set of filters. The ADC sampling unit 46 may convert the plurality of analog temperature signals filtered by the filtering unit 47 into a plurality of digital temperature signals to obtain a plurality of AD sampling values. The plurality of AD sampling values converted by the ADC sampling unit 46 are serially transmitted to the first adapter 60 by the first controller 45 controlling the first communication unit 42.

The second adapter 40 is in data communication with the first adapter 60 via the first communication unit 42. The first communication unit 42 causes the first controller 45 to perform data interaction with the first adapter 60. Alternatively, the first communication unit 42 uses a UART unit.

Referring to fig. 2, the second cable 28 of the second adaptor 40 includes 5 wires. The 5 wires of the second cable 28 transmit alternating electrical signals AC, GND, VCC, respectively, bi-directionally transmitting data in serial. GND and VCC terminals in the second switch 40 are connected to each other.

Referring to fig. 1 and 3, the first adaptor 60 includes a second communication unit 61, a second controller 62, a third communication unit 63, and a third cable 21. The second communication unit 61, the second controller 62, and the third communication unit 63 are all located inside the first adapter 60.

The first adapter 60 and the 4 second adapters 40 are each electrically connected by a respective one of the first connectors 25, each first connector 25 being adapted to connect a respective second adapter 40 to the first adapter 60. The first connector 25 transmits the signal transmitted by the second cable 28, i.e. the alternating electrical signal AC, GND, VCC, bi-directional serial transmission data. The first connector 25 includes a second plug 27 disposed at an end of the second cable 28 of the second adapter 40 remote from the first socket 29, and a plurality of second sockets 26 disposed on the first adapter 60, wherein the second plug 27 and the second sockets 26 are connectors, i.e., the first connector 25 is configured to connect the second adapter 40 with the first adapter 60 by means of a connector. The third cable 21 and the plurality of second receptacles 26 are located on opposite sides of the first adapter 60, respectively. The first adapter 60 is provided with 4 second sockets 26, and the 4 second sockets 26 are respectively connected with the 4 second adapters 40 which are connected with the four electrode plates 50 in a one-to-one correspondence manner. Each second socket 26 is provided with 5 connection terminals for transmitting signals transmitted by the second cables 28: alternating electrical signal AC, GND, VCC, bi-directional serial transmission data.

The 4 second sockets 26 each have a connection terminal for an alternating electrical signal AC to which one of the 4 alternating electrical signals (X1, X2, Y1, Y2) is connected. The 4 second sockets 26 respectively transmit one of the 4 alternating electrical signals (X1, X2, Y1, Y2) and are electrically connected to the electrode pads 50X1, 50X2, 50Y1, 50Y2 through a corresponding one of the second adapters 40. Wherein the second socket 26 transmitting the alternating electrical signal X1 is electrically connected with the second plug 27 of a corresponding one of the second adapters 40 connected to the electrode pad 50X 1; the second socket 26 transmitting the alternating electrical signal X2 is electrically connected to the second plug 27 of the corresponding one of the second adapters 40 connected to the electrode pad 50X 2; the second socket 26 transmitting the alternating electrical signal Y1 is electrically connected to the second plug 27 of the corresponding one of the second adapters 40 connected to the electrode pad 50Y 1; the second socket 26 transmitting the alternating electrical signal Y2 is electrically connected to the second plug 27 of the corresponding one of the second adapters 40 connected to the electrode pad 50Y 2.

The first adaptor 60 is electrically connected to the electric field generator 10 via a third connector 22, the third connector 22 being adapted to connect the electric field generator 10 to the first adaptor 60 such that the alternating electrical signals X1, X2, Y1 and Y2 of the electric field generator 10, GND, VCC and the generation thereof, are transferred to the first adaptor 60 via the third connector 22. The third connector 22 includes a third socket 23 provided to the electric field generator 10 and a third plug 24 provided to an end of the third cable 21 of the first adapter 60 remote from the second socket 26, and the third socket 23 and the third plug 24 are connectors, that is, the third connector 22 is configured to connect the first adapter 60 to the electric field generator 10 by means of a connector.

The second communication unit 61 is connected between the four first connectors 25 and the second controller 62. The second controller 62 performs data interaction with the first communication units 42 of the 4 second adapters 40 through the second communication unit 61. Alternatively, the second communication unit 61 uses a UART unit. The first controller 45 may send a feedback signal of the corresponding handshake chip 54 to the second controller 62, so that the second controller 62 determines whether the corresponding first controller 45 and the handshake chip 54 complete handshake communication according to the feedback signal of the handshake chip 54. The first controller 45 may also send a plurality of AD sampling values to the second controller 62, so that the second controller 62 identifies the type of the corresponding electrode sheet 50 according to the plurality of AD sampling values in the case that the electrode sheet 50 is qualified, and/or determines whether or not the corresponding electrode sheet 50 is abnormal in temperature according to the plurality of AD sampling values in the process that the electric field generator 10 transmits an alternating electric signal to the corresponding electrode sheet 50.

The second controller 62 is substantially connected between the second communication unit 61 and the third communication unit 63. The third communication unit 63 is substantially electrically connected to the electric field generator 10 through the third connector 22. The second controller 62 performs data interaction with the electric field generator 10 through the third communication unit 63. Optionally, the third communication unit 63 is an RS485-UART transceiver. The alternating electrical signals inside the first adapter 60 are in one-to-one correspondence with one connection terminal of the second socket 26 of the first connector 25 that transmits alternating electrical signals (X1 or X2 or Y1 or Y2), respectively. The first controller 45 may transmit the feedback signal of the handshake chip 54 to the electric field generator 10 through the first adapter 60, so that the electric field generator 10 determines whether the first controller 45 and the handshake chip 54 complete handshake communication according to the feedback signal of the handshake chip 54. The first controller 45 may also transmit a plurality of AD sampling values to the electric field generator 10 through the first adapter 60, so that the electric field generator 10 recognizes the type of the corresponding electrode sheet 50 according to the plurality of AD sampling values in the case that the electrode sheet 50 is qualified, and/or determines whether the temperature abnormality occurs in the corresponding electrode sheet 50 according to the plurality of AD sampling values in the process of transmitting the alternating electric signal to the corresponding electrode sheet 50.

As is apparent from the foregoing description, the judgment of the handshake communication, the type recognition of the electrode sheet, and the recognition of whether the electrode sheet has a temperature abnormality or not may be implemented by the first controller 45 in the second adapter 40, the second controller 62 in the first adapter 60, or the electric field generator 10, and is not limited thereto. The number of electrode sheets 50, the number of electrode sheet units 51 for each electrode sheet 50, the number of temperature detecting units, and the like are all exemplified, and are not limiting to the present application.

In the above embodiment, the plurality of electrode pad units 51 are configured into at least three row groups and at least three column groups, and the signal ends of the corresponding temperature detection units in each column group are connected together to be used as the temperature sampling points, the ground ends of the corresponding temperature detection units in each row group are commonly connected to the ground pin GND through the switch units, and handshake communication is performed with the electric field generator 10 through the handshake chip 54 to determine the connection state of the electrode pad 50, wherein after handshake communication is completed between the handshake chip 54 and the electric field generator 10, the switch states of the switch units 44 are configured to enable the analog temperature signals detected by the corresponding temperature detection units in each row group to be sampled simultaneously by the corresponding temperature sampling points, so that the coverage rate of the temperature sensor can be effectively increased under the condition of controlling the number of cable cores, the load of the electrode pad 50 is prevented from being excessively large, and the application effect of the electrode pad 50 is maintained; meanwhile, based on the AD sampling value obtained by sampling analog-to-digital conversion, the type identification of the electrode sheet 50 and the identification of whether the electrode sheet 50 has abnormal temperature or not can be realized.

The utility model also provides a temperature detection method of the tumor electric field treatment system 1000, referring to fig. 4, the method comprises:

in step S1, handshake communication is performed with the handshake chip 54 through the adapter unit to determine the connection state of the corresponding electrode pad 50.

In step S2, when each electrode pad 50 is successfully connected to the adapter unit, the switching state of the switching unit 44 is configured by the adapter unit so as to simultaneously sample the temperature signal detected by the corresponding temperature detecting unit in each row group through the corresponding temperature sampling point.

Optionally, the method further comprises: the type of the corresponding electrode sheet 50 is identified based on the temperature signal detected by each of the sampled temperature detection units. For example, according to the sampled analog temperature signals detected by each temperature detection unit, analog-to-digital conversion is performed to obtain a plurality of AD sampling values; the number of 50 electrode sheet units 51 of the corresponding electrode sheet is determined from the number of AD sample values, and the type of the corresponding electrode sheet 50 is determined from the number of electrode sheet units 51.

Optionally, during the transmission of the alternating electrical signal by the electric field generator 10 to the respective electrode sheet 50, the method further comprises: and judging whether the temperature of the corresponding electrode slice 50 is abnormal according to the AD sampling values.

Optionally, during the transmission of the alternating electrical signal by the electric field generator 10 to the respective electrode sheet 50, the method further comprises: and adjusting the parameters of the alternating electric signal according to the AD sampling values.

For example, the flow 100 of handshaking, temperature detection, and electric field control of the tumor electric field treatment system 1000 is shown in fig. 5. The process 100 may be applied to the tumor electric field therapy system 1000 of fig. 1 for tumor electric field therapy. The flow 100 is not limited to application to the example shown in fig. 1, and the examples shown in fig. 7 and 8 are equally applicable to the flow 100. The following steps are described with respect to the example shown in fig. 1.

In step 101, a tumor electric field therapy system 1000 is connected. Specifically, the 4C-shaped electrode pads 50 are respectively connected to the corresponding one of the second adapters 40, the 4 second adapters 40 are connected to one of the first adapters 60, the first adapter 60 is connected to the electric field generator 10, and the electric field generator 10 is connected to the adapted power source.

In step 102, it is detected whether the user issues a command to turn on the electric field. If the command for turning on the electric field is not detected, repeating step 102; if an electric field on command is detected, step 103 is entered.

In step 103, after the electric field generator 10 of the tumor electric field treatment system 1000 sends a handshake signal to the X1 port (the first connector 25-X1, the second connector 40) through the first connector 60, the first controller 45 of the second connector 40 connected to the first connector 25-X1 receives the data transmitted by the number 5 wire on the corresponding second connector 31 to determine whether the handshake is passed or not, and if not, step 105 is entered; if so, step 106 is entered. This determination step may occur in the second adaptor 40, in the first adaptor 60 or in the electric field generator 10. In the embodiment, the determining step occurs in the second adapter 40. Specifically, when the electrode pad 50X1 is normally connected, the handshake chip 54 can receive the handshake request signal of the electric field generator 10 and feed back the handshake state to the first controller 45 of the second adapter 40, and the first controller 45 of the second adapter 40 determines that the handshake is successful. On the contrary, when the electrode pad 50X1 is abnormally connected, the first controller 45 of the second adapter 40 cannot obtain the feedback signal of the handshake chip 54, and the first controller 45 of the second adapter 40 determines handshake failure.

In step 105, the tumor electric field therapy system 1000 sounds an alarm due to a handshake failure, and then proceeds to step 102.

In step 106, after the electric field generator 10 of the tumor electric field treatment system 1000 sends a handshake signal to the X2 port (the first connector 25-X2, the second connector 40) through the first connector 60, the first controller 45 of the second connector 40 connected to the first connector 25-X2 receives the data transmitted by the number 5 wire on the corresponding second connector 31 to determine whether the handshake is passed or not, and if not, step 102 is entered; if so, step 107 is entered. This determination step may occur in the second adaptor 40, in the first adaptor 60 or in the electric field generator 10. In the embodiment, the determining step occurs in the second adapter 40. Specifically, when the electrode pad 50X2 is connected normally, the handshake chip 54 can receive the handshake request signal of the electric field generator 10 and feed back the handshake state to the first controller 45 of the second adapter 40, and the first controller 45 of the second adapter 40 determines that the handshake is successful. On the contrary, when the electrode pad 50X2 is abnormally connected, the first controller 45 of the second adapter 40 cannot obtain the feedback signal of the handshake chip 54, and the first controller 45 of the second adapter 40 determines handshake failure.

In step 107, after the electric field generator 10 of the tumor electric field treatment system 1000 sends a handshake signal to the Y1 port (the first connector 25-Y1, the second connector 40) through the first connector 60, the first controller 45 of the second connector 40 connected to the first connector 25-Y1 receives the data transmitted by the number 5 wire on the corresponding second connector 31 to determine whether the handshake is passed or not, and if not, step 102 is entered; if so, step 108 is entered. This determination step may occur in the second adaptor 40, in the first adaptor 60 or in the electric field generator 10. In the embodiment, the determining step occurs in the second adapter 40. Specifically, when the electrode pad 50Y1 is connected normally, the handshake chip 54 can receive the handshake request signal of the electric field generator 10 and feed back the handshake state to the first controller 45 of the second adapter 40, and the first controller 45 of the second adapter 40 determines that the handshake is successful. On the contrary, when the electrode pad 50Y1 is abnormally connected, the first controller 45 of the second adapter 40 cannot obtain the feedback signal of the handshake chip 54, and the first controller 45 of the second adapter 40 determines handshake failure.

In step 108, after the electric field generator 10 of the tumor electric field treatment system 1000 sends a handshake signal to the Y2 port (the first connector 25-Y2 and the second connector 40) through the first connector 60, the first controller 45 of the second connector 40 connected to the first connector 25-Y2 receives the data transmitted by the number 5 wire on the corresponding second connector 31 to determine whether the handshake is passed or not, and if not, step 102 is entered; if so, step 109 is entered. This determination step may occur in the second adaptor 40, in the first adaptor 60 or in the electric field generator 10. In the embodiment, the determining step occurs in the second adapter 40. Specifically, when the electrode pad 50Y2 is connected normally, the handshake chip 54 can receive the handshake request signal of the electric field generator 10 and feed back the handshake state to the first controller 45 of the second adapter 40, and the first controller 45 of the second adapter 40 determines that the handshake is successful. On the contrary, when the electrode pad 50Y2 is abnormally connected, the first controller 45 of the second adapter 40 cannot obtain the feedback signal of the handshake chip 54, and the first controller 45 of the second adapter 40 determines handshake failure.

After the second adapter 40 in the

above steps

103, 106, 107, 108 receives the handshake signal of the tumor electric field therapy system 1000, the first controller 45 needs to control the switch unit 44 to electrically connect the No. 4 wire on the second connector 31 with the ground pin GND, so that the handshake chip 54 can work normally. If the electric field generator 10 is normally connected with the first adaptor 60, the first adaptor 60 and the second adaptor 40, and the second adaptor 40 and the electrode sheet 50, the handshake signal sent by the electric field generator 10 can finally reach the handshake chip 54 of the electrode sheet 50, and the handshake state of the handshake chip 54 can be fed back to the electric field generator 10. If at least one connection abnormality occurs between the electric field generator 10 and the first adaptor 60, between the first adaptor 60 and the second adaptor 40, and between the second adaptor 40 and the electrode pad 50, the handshake chip 54 cannot connect VCC and GND to form a loop, so that the second adaptor 40, the first adaptor 60, and the electric field generator 10 receive a handshake state null signal, and handshake fails.

In step 109, the electric field generator 10 of the tumor electric field therapy system 1000 sets the electric field parameters and proceeds to step 110. The electric field parameters include the frequency, amplitude, etc. of the alternating electric signal.

In step 110, the first adapter 60 sends a temperature reading request to the 2 second adapters 40 corresponding to the first connectors 25-Y1 and 25-Y2, and then reads the temperature signal to acquire the temperatures corresponding to the 40 temperature sensors 53 on the electrode pads 50Y1 and 50Y 2. Step 111 is entered.

In step 111, the tumor electric field therapy system 1000 determines the type of the electrode pads 50Y1, 50Y2 by the temperature signal, and then proceeds to step 112. The types of the electrode pads 50Y1, 50Y2 are determined, and the number of the electrode pad units 51 and the temperature sensors 53 of the electrode pads 50Y1, 50Y2 is determined. This determination may occur in the second adaptor 40, in the first adaptor 60 or in the electric field generator 10. In the example shown in fig. 1, both 50Y1 and 50Y2 are determined as the C-type electrode sheet 50. The C-type electrode sheet 50 has 20 temperature sensors 53, and thus the C-type electrode sheet 50 contains 20 effective temperature signals, and a total of 40 effective temperature signals of 50Y1, 50Y 2.

In step 112, the tumor electric field therapy system 1000 determines whether any one of the 40 effective temperature signals acquired by the second adapter 40 is abnormal, and if so, proceeds to step 114. If the 40 valid temperature signals are all normal, go to step 113.

In step 113, the electric field generator 10 turns on the alternating electric signals Y1, Y2, turns off the alternating electric signals X1, X2, and proceeds to step 115.

In step 114, tumor electric field therapy system 1000 immediately proceeds to step 120 due to an abnormality in the effective temperature signals of electrode pads 50Y1, 50Y 2.

In step 115, the first adapter 60 sends a temperature reading request to the first connector 25-X1 and the 2 second adapters 40 corresponding to the first connector 25-X2, and then reads the temperature signal to acquire the temperatures corresponding to all the temperature sensors 53 on the electrode pads 50X1, 50X 2. Step 116 is entered.

The

above steps

110 and 115 are identical for the second adapter 40, and the specific flow of

steps

110 and 115 in the second adapter 40 can refer to the flow 200.

In step 116, the tumor electric field therapy system 1000 determines the type of the electrode pads 50X1, 50X2 based on the temperature signal, and then proceeds to step 117. This determination may occur in the second adaptor 40, in the first adaptor 60 or in the electric field generator 10. In the example shown in fig. 1, both 50X1 and 50X2 are determined as the C-type electrode sheet 50. The C-type electrode sheet 50 has 20 temperature sensors 53, and thus the C-type electrode sheet 50 contains 20 effective temperature signals, and a total of 40 effective temperature signals of 50X1, 50X 2.

In step 117, the tumor electric field therapy system 1000 determines whether any one of the 40 effective temperature signals acquired by the second adapter 40 is abnormal, and if so, proceeds to step 114. If all 40 valid temperature signals are normal, proceed to step 118.

In step 118, the electric field generator 10 turns on the alternating electric signals X1, X2, turns off the alternating electric signals Y1, Y2, and proceeds to step 119. The total time of

steps

113, 115, 116, 117 to 118 is fixed, and the total time is 1s.

In step 119, the tumor electric field therapy system 1000 detects whether the electric field command sent by the user is received, and if so, proceeds to step 120; if an over-close electric field command is not detected, the process proceeds to step 121.

In step 120, tumor electric field therapy system 1000 turns off the electric field and proceeds to step 102. At this point the end of the electric field treatment waits for the next on-field command.

In step 121, the tumor electric field treatment system 1000 determines whether the electric field parameter needs to be adjusted according to the current electric field amplitude and the acquired temperature signal, and if the electric field parameter needs to be adjusted, the process proceeds to step 109; if the electric field parameter does not need to be adjusted, the process goes to step 110 to step 119 for looping. The total time of

steps

118, 119, 121, 110, 111, 112 to 113 is fixed, in the embodiment, 1s, so that the tumor electric field therapy system 1000 can realize that alternating electric signals in the X1 and X2 directions and alternating electric signals in the Y1 and Y2 directions alternately and continuously output alternating electric signals with 2s as a period. Meanwhile, the tumor electric field treatment system 1000 can realize that the time interval between the turning-off alternating electric signals X1 and X2 and the turning-on alternating electric signals Y1 and Y2 is reduced to 0s; the time interval between the turning-off of the alternating electric signals Y1 and Y2 and the turning-on of the alternating electric signals X1 and X2 is reduced to 0s, and the electric field treatment efficiency is improved on the premise of ensuring the temperature acquisition accuracy.

The temperature collection process 200 is shown in fig. 6, and the process can be applied to the temperature collection process of the second adaptor 40 of any one of the applicable electrode pads 50X1, 50X2, 50Y1, 50Y2, and the above flowchart is exemplified by the second adaptor 40 connected to 50X 1.

In step 201, the second adaptor 40 is connected to the electrode pad 50X1 and the first adaptor 60. Step 202 is entered.

In step 202, the second adapter 40 determines whether a temperature reading request sent by the first adapter 60 is received, and if the temperature reading request is received, the process proceeds to step 204; if no temperature reading request is received, step 202 is repeated.

In step 204, the first controller 45 of the second adapter 40 controls the switching unit 44 to electrically connect the No. 1 wire of the second connector 31 with GND in the second adapter 40, and disconnect the No. 2, 3, 4 wires (disconnect the No. 2, 3, 4 wires from GND). At this time, 5 temperature sensors 53 numbered 1 to 5 on the electrode pad 50X1 are electrically connected to the resistor group 43 and GND, and 15 temperature sensors 53 numbered 6 to 20 are not electrically turned on.

In step 205, the ADC sampling unit 46 collects temperature signals corresponding to the temperature sensors 53 encoded as 1-5 on the filtered electrode pad 50X 1. The ADC sampling unit 46 collects the conductive analog temperature signals detected by the 5 temperature sensors 53 numbered 1 to 5 on the filtered electrode pad 50X1 in the order of sampling channels 1 to 5 and converts the signals into digital temperature signals, and then proceeds to step 206. During the period of temperature acquisition, the alternating electric signal sent by the electric field generator 10 is electrically connected with Y1 and Y2, and in the embodiment, the voltage amplitude between Y1 and Y2 is generally greater than 100Vpp. At this time, the alternating electric signal sent by the electric field generator 10 is electrically disconnected from the X1 and X2, but since the device for controlling the switching of the alternating electric signal generally has a certain parasitic parameter, when the alternating electric signal is applied and the X1 and X2 are disconnected, the X1 and X2 still have a certain voltage amplitude, and in the example shown in fig. 1, the voltage amplitude of the X1 and Y1 is generally greater than 4Vpp. At this time, the residual alternating electrical signals between X1 and X2 are coupled to each module and conductive trace inside the second adapter 40, which affects the temperature acquisition of the second adapter 40 and generates a certain error, so the filtering unit 47 is required to attenuate the medium-high frequency signals in the analog temperature signals detected by the corresponding temperature sensors 53, and then the signals are converted into more accurate digital temperature signals by the ADC sampling unit 46.

In step 206, the first controller 45 of the second adapter 40 controls the switching unit 44 to electrically connect the No. 2 wire of the second connector 31 with GND in the second adapter 40, and disconnect the No. 1, 3, 4 wires (disconnect the No. 1, 3, 4 wires from GND). At this time, 5 temperature sensors 53 numbered 6 to 10 on the electrode sheet 50X1 are electrically connected to the resistor group 43 and GND, and 15 temperature sensors 53 numbered 1 to 5 and 11 to 20 are not electrically conducted. Step 207 is entered.

In step 207, the ADC sampling unit 46 collects temperature signals corresponding to the temperature sensors 53 encoded as 6-10 on the filtered electrode pad 50X 1. The ADC sampling unit 46 collects the conductive analog temperature signals detected by the 5 temperature sensors 53 numbered 6 to 10 on the filtered electrode pad 50X1 in the order of sampling channels 1 to 5 and converts the signals into digital temperature signals, and then proceeds to step 208.

In step 208, the first controller 45 of the second adapter 40 controls the switching unit 44 to electrically connect the No. 3 wire of the second connector 31 with GND in the second adapter 40, and disconnect the No. 1, 2, 4 wires (disconnect the No. 1, 2, 4 wires from GND). At this time, the 5 temperature sensors 53 numbered 11 to 15 on the electrode pad 50X1 are electrically connected to the resistor group 43 and GND, and the 15 temperature sensors 53 numbered 1 to 10 and 16 to 20 are not electrically conducted. Step 209 is entered.

In step 209, the ADC sampling unit 46 collects temperature signals corresponding to the temperature sensors 53 encoded as 11-15 on the filtered electrode pad 50X 1. The ADC sampling unit 46 collects the conductive analog temperature signals detected by the 5 temperature sensors 53 numbered 11-15 on the filtered electrode pad 50X1 in the order of sampling channels 1-5 and converts the signals into digital temperature signals, and then proceeds to step 210.

In step 210, the first controller 45 of the second adapter 40 controls the switching unit 44 to electrically connect the No. 4 wire in the second connector 31 with GND in the second adapter 40, and disconnect the No. 1, 2, 3 wires (disconnect the No. 1, 2, 3 wires from GND). At this time, the 5 temperature sensors 53 numbered 16 to 20 on the electrode pad 50X1 are electrically connected to the resistor group 43 and GND, and the 15 temperature sensors 53 numbered 1 to 15 are not electrically turned on. Step 211 is entered.

In step 211, the ADC sampling unit 46 collects temperature signals corresponding to the temperature sensors 53 encoded as 16-20 on the filtered electrode pad 50X 1. The ADC sampling unit 46 collects the conductive analog temperature signals detected by the 5 temperature sensors 53 encoded as 16-20 on the filtered electrode pad 50X1 in the order of sampling channels 1-5 and converts them into digital temperature signals, and then proceeds to step 212.

In step 212, the second adapter 40 ends the temperature acquisition, and the first controller 45 sends a temperature signal to the first adapter 60 through the first communication unit 42, and then proceeds to step 202. The temperature signal in this step is a digital temperature signal converted by the ADC sampling unit 46. Alternatively, information about the type of electrode pad 50X1 may be included in the transmitted temperature signal.

In some embodiments, as shown in fig. 7, the electrode sheet 50 is a B-type electrode sheet 50 having 13 electrode units 51; as shown in fig. 8, the electrode sheet 50 is an a-type electrode sheet 50 having 9 electrode units 51.

In the example of fig. 1, the electrode sheets 50X1, 50X2, 50Y1, 50Y2 may be used in any combination from the a-type, B-type, and C-type electrode sheets 50. For example, the B-type electrode sheet 50 is used for 50X1 and 50X2, and the C-type electrode sheet 50 is used for 50Y1 and 50Y 2.

The temperature acquisition process 200 for the B-type electrode sheet 50 in this embodiment is identical to the process for the C-type electrode sheet 50 in embodiment 1, but the analog temperature signals acquired by the sampling channels 4, 5 of the ADC sampling unit 46 in step 209 of the temperature acquisition process 200 are close to the analog signals of the VCC supply voltage value, because no

wires

4, 5, 9, 10 on the electrode sheet 50 electrically connected to the sampling channels 4, 5 are electrically connected to GND. Similarly, in step 211 of the temperature acquisition process 200, the analog temperature signals acquired by the sampling channels 1-5 of the ADC sampling unit 46 are all close to the analog signal of VCC supply voltage value, because none of the 1-13 wires on the electrode pad 50 electrically connected to the sampling channels 1-5 are electrically connected to GND. Thus, in step 212, the temperature signal sent by the second adapter 40 includes the digital temperature signals corresponding to 1-13 total of 13 temperature sensors 53 on the electrode pad 50 and the digital temperature signals converted from the analog signal approaching the VCC power supply voltage value for 7 total of 14-20 non-set temperature sensors 53. These 7 digital temperature signals, which are converted from analog signals close to the VCC supply voltage value, are disturbance temperature data.

In this embodiment, the flow 100 of the tumor electric field treatment system 1000 for the B-type electrode sheet 50 is identical to the flow for the C-type electrode sheet 50 shown in fig. 1. Taking the B-type electrode pad 50X1 as an example, the analog temperature signals corresponding to the 7 non-set temperature sensors 53 numbered 14-20 in the temperature signals in step 116 are all analog signals close to VCC power supply voltage value. The first adapter 60 can determine that 50X1 is the B-type electrode sheet according to the above-mentioned criteria. Alternatively, the determination process may occur in the second adapter 40. In processing the temperature signals, the tumor electric field therapy system 1000 can exclude the temperature signals corresponding to the 7 non-set temperature sensors 53 with the numbers 14-20 and then perform data processing. For example, in the system in which the B-type electrode sheet 50 is used for the electrode sheets 50X1 and 50X2 and the C-type electrode sheet 50 is used for the electrode sheets 50Y1 and 50Y2, the tumor electric field treatment system 1000 may determine in step 111 that the electrode sheets 50Y1 and 50Y2 are both C-type electrode sheets 50, that 40 temperature signals are all effective temperature data, and determine in step 112 whether there is an abnormality in the 40 effective temperature data; in step 116, it is determined that the electrode sheets 50X1 and 50X2 are both B-type electrode sheets 50, and therefore, the temperature signals of 13 temperature sensors 53 corresponding to the electrode sheets 50X1 and 50X2, respectively, are effective temperature data, 26 effective temperature data are obtained for the electrode sheets 50X1 and 50X2, and in step 117, it is determined whether or not there is an abnormality in the 26 effective temperature data.

The temperature acquisition flow 200 for the a-type electrode sheet 50 in this embodiment is identical to the flow for the C-type electrode sheet 50 in embodiment 1, but the analog temperature signal acquired by the sampling channel 5 of the ADC sampling unit 46 in step 207 is close to the analog signal of VCC supply voltage value, since the No. 10 wire on the electrode sheet 50 electrically connected to the sampling channel 5 is not electrically connected to GND. Similarly, the analog temperature signals collected by the sampling channels 1-5 of the ADC sampling unit 46 in step 209 are all close to the analog signal of VCC supply voltage value, because the

wires

3, 6, 7, 8, 9, and 10 on the electrode pad 50 electrically connected to the sampling channels 1-5 are not electrically connected to GND. The analog temperature signals collected by the sampling channels 1-5 of the ADC sampling unit 46 in step 211 are all close to the analog signal of VCC supply voltage value, because no

wires

6, 7, 8, 9, 10 on the electrode pad 50 electrically connected to the sampling channels 1-5 are electrically connected to GND. Therefore, in step 212, the temperature signal sent by the second adapter 40 includes the digital temperature signals corresponding to the 9 temperature sensors 53 numbered 1-9 on the electrode pad 50 and the digital temperature signals corresponding to the 11 non-set temperature sensors 53 numbered 10-20 converted from the analog signal approaching the VCC power supply voltage value.

In this embodiment, the flow 100 of the tumor electric field treatment system 1000 for the a-type electrode sheet 50 is identical to the flow for the C-type electrode sheet 50 in embodiment 1. Taking the a-type electrode pad 50X1 as an example, the analog temperature signals corresponding to the 11 non-set temperature sensors 53 numbered 10-20 in the temperature signals in step 116 are all analog signals close to VCC power supply voltage value. The first adapter 60 can determine that 50X1 is the a-electrode plate according to the above-mentioned criteria. Alternatively, the determination process may occur in the second adapter 40. When processing signals, the tumor electric field therapy system 1000 can eliminate the temperature signals corresponding to the numbers 10-20 and then process the signals. For example, for a system in which the a-type electrode sheet 50 is used for 50X1 and 50X2 and the C-type electrode sheet 50 is used for 50Y1 and 50Y2, the tumor electric field treatment system 1000 may determine in step 111 that both 50Y1 and 50Y2 are C-type electrode sheets 50 and that the 40 temperature signals are valid temperature data, and determine in step 112 whether there is an abnormality in the 40 valid temperature data; in step 116, it is determined that both 50X1 and 50X2 are the a-type electrode sheet 50, so that the temperature signals of the channels numbered 1-9 corresponding to 50X1 and 50X2 are effective temperature data, and 18 effective temperature data are used, and in step 117, it is determined whether there is an abnormality in the 18 effective temperature data.

Thus, the a-type, B-type, and C-type electrode pads 50 can be combined without changing the flow of the electric field generator 10, the first adapter 60, the second adapter 40, and the tumor electric field treatment system 1000, and can improve the electric field treatment efficiency while not affecting the flexibility of the electrode cable.

In the above embodiment, by adopting the matrix network temperature detection technology and matching with the corresponding electric field control algorithm, the temperature detection and the electric field control can not only effectively increase the coverage rate of the temperature sensor 53 under the condition of controlling the number of cores of the cables, avoid the overlarge load of the electrode sheet 50, and maintain the application effect of the electrode sheet 50, but also have the advantages of flexible combination of the electrode sheet 50, accurate identification of the electrode sheet 50 and small electric field turn-off interval, and can improve the compliance of patients and the treatment effect of the patients; meanwhile, whether the corresponding pair of electrode sheets 50 turns off the electric field or adjusts the electric field parameters may be controlled based on the detected temperature.

The utility model also provides a tumor treatment device, comprising: at least one pair of electrode pads 50 as described above, or tumor electric field therapy system 1000 as described above.

According to the tumor treatment apparatus of the embodiment of the present utility model, through the electrode sheet 50 or the tumor electric field treatment system 1000, the temperature sensor 53 can reach 100% coverage rate under the condition of controlling the number of cores of the wires and cables, so that the overload of the electrode sheet 50 is avoided, and the application effect of the electrode sheet 50 is maintained.

The present utility model also provides a computer readable storage medium (not shown) having stored thereon a temperature detection program of the tumor electric field therapy system 1000, which when executed by a processor (not shown) implements the aforementioned electrode pad identification method of the tumor electric field therapy system 1000.

According to the computer readable storage medium of the embodiment of the utility model, through the temperature detection method of the tumor electric field treatment system 1000, the coverage rate of the temperature sensor 53 can be effectively increased under the condition of controlling the number of cores of wires and cables, the overload of the electrode plate 50 is avoided, and the application effect of the electrode plate 50 is maintained.

The present utility model further provides a first adapter 60 of the tumor electric field therapy system 1000, which includes a memory (not shown), a processor (not shown), and a temperature detection program of the tumor electric field therapy system 1000 stored in the memory (not shown) and capable of running on the processor (not shown), wherein the processor implements the temperature detection method of the tumor electric field therapy system 1000 when executing the temperature detection program of the tumor electric field therapy system 1000.

According to the first adapter 60 of the tumor electric field treatment system 1000 of the embodiment of the utility model, through the temperature detection method of the tumor electric field treatment system 1000, the coverage rate of the temperature sensor 53 can be effectively increased under the condition of controlling the number of the cores of the cables, the overload of the electrode plate is avoided, and the application effect of the electrode plate is maintained.

The present utility model further provides a second adapter 40 of the tumor electric field therapy system 1000, which includes a memory (not shown), a processor (not shown), and a temperature detection program of the tumor electric field therapy system 1000 stored in the memory (not shown) and capable of running on the processor (not shown), wherein the processor implements the temperature detection method of the tumor electric field therapy system 1000 when executing the temperature detection program of the tumor electric field therapy system 1000.

According to the second adapter 40 of the tumor electric field treatment system 1000 of the embodiment of the utility model, through the temperature detection method of the tumor electric field treatment system 1000, the coverage rate of the temperature sensor 53 can be effectively increased under the condition of controlling the number of the cores of the cables, the overload of the electrode plate 50 is avoided, and the application effect of the electrode plate 50 is maintained.

The present utility model also provides an electric field generator 10 of the tumor electric field therapy system 1000, which comprises a memory (not shown), a processor (not shown) and a temperature detection program of the tumor electric field therapy system 1000 stored in the memory (not shown) and capable of running on the processor (not shown), wherein the processor (not shown) implements the temperature detection method of the tumor electric field therapy system 1000 when executing the temperature detection program of the tumor electric field therapy system 1000.

It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, for example, may be considered as a ordered listing of executable instructions for implementing logical functions, and may be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.

It is to be understood that portions of the present utility model may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, as used in embodiments of the present utility model, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular number of features in the present embodiment. Thus, a feature of an embodiment of the utility model that is defined by terms such as "first," "second," etc., may explicitly or implicitly indicate that at least one such feature is included in the embodiment. In the description of the present utility model, the word "plurality" means at least two or more, for example, two, three, four, etc., unless explicitly defined otherwise in the embodiments.

In the present utility model, unless explicitly stated or limited otherwise in the examples, the terms "mounted," "connected," and "fixed" as used in the examples should be interpreted broadly, e.g., the connection may be a fixed connection, may be a removable connection, or may be integral, and it may be understood that the connection may also be a mechanical connection, an electrical connection, etc.; of course, it may be directly connected, or indirectly connected through an intermediate medium, or may be in communication with each other, or in interaction with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific embodiments.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. An electrode sheet for an electric field tumor treatment system, comprising a substrate, a plurality of electrode sheet units capable of applying an alternating electric field, a plurality of temperature detection units, and a handshake chip, wherein the electrode sheet units are arranged on the substrate, the temperature detection units are arranged in a one-to-one correspondence manner with the electrode sheet units and are used for detecting the temperature at each electrode sheet unit, the handshake chip is arranged on the substrate and is suitable for handshake communication with external equipment to judge the connection state of the electrode sheet, and the electrode sheet units are configured into at least three row groups and at least three column groups on circuit connection; each temperature detection unit is provided with a signal end and a grounding end, the signal ends of the corresponding temperature detection units in each column group are connected together to serve as temperature sampling points, and the grounding ends of the corresponding temperature detection units in each row group are connected to a grounding pin through a switch unit; after handshake communication is completed between the handshake chip and the external equipment, temperature signals detected by corresponding temperature detection units in each row group are sampled by corresponding temperature sampling points simultaneously based on the switch state configured by the switch units.

2. The electrode pad according to claim 1, wherein the type of the electrode pad is identified based on the temperature signal detected by each of the temperature detection units that are sampled.

3. The electrode pad of claim 1, wherein a ground pin of the handshake chip is connected to the ground pin through the switching unit, and a communication pin of the handshake chip is connected to an adapter unit of the tumor electric field treatment system through a communication line.

4. The electrode pad of claim 3, wherein the handshake chip stores energy when the communication line transmits a high level and releases energy when the communication line transmits a low level through an external energy storage element.

5. The electrode pad of claim 4, wherein the energy storage element is a capacitor.

6. The electrode pad of any one of claims 1-5, wherein each temperature detection unit comprises a temperature sensor and a diode having an anode and a cathode, the anode of the diode being connected to the temperature sensor and the cathode of the diode being a ground terminal of the temperature detection unit.

7. The electrode pad of claim 1, wherein each of the temperature sampling points is connected to a dc power source through a respective voltage dividing resistor.

8. The electrode pad of claim 7, wherein the voltage dividing resistor and the switching unit are both disposed in an adapter unit of the oncological electric field therapy system.

9. The electrode pad of claim 1, wherein the temperature signal detected by each of the temperature detection units sampled is further used to characterize whether a temperature anomaly has occurred in the electrode pad.

10. A tumor electric field therapy system, comprising:

at least one pair of electrode sheets according to any one of claims 1-9;

an electric field generator generating an alternating electric signal; and

and transmitting the alternating electric signals to an adapter unit of each electrode slice, carrying out handshake communication between the adapter unit and the handshake chip, configuring the switching state of the switching unit after the handshake communication is finished, and simultaneously sampling temperature signals detected by corresponding temperature detection units in each row group through corresponding temperature sampling points.

11. The oncological electric field therapy system according to claim 10, wherein the adapter unit comprises a first adapter and at least a pair of second adapters, the second adapters being adapted to connect to respective electrode pads, the first adapter being adapted to connect each of the second adapters to the electric field generator.

12. The tumor electric field therapy system according to claim 11, wherein the second adapter includes a first controller and an ADC sampling unit, the first controller configures a switching state of the switching unit to enable the handshake chip to be powered on when receiving the handshake signal sent by the electric field generator, sends the handshake signal to the handshake chip, determines whether handshake communication is completed with the handshake chip according to a feedback signal of the handshake chip, and configures the switching state of the switching unit after the handshake communication is completed, so that the ADC sampling unit samples temperature signals detected by corresponding temperature detection units in each of the row groups through corresponding temperature sampling points simultaneously to obtain a plurality of AD sampling values.

13. The oncological electric field therapy system according to claim 12, wherein the first controller is further configured to identify the type of the respective electrode pad based on the plurality of AD sample values.

14. The tumor electric field therapy system according to claim 12, wherein the first controller is further configured to determine whether a temperature abnormality occurs in the corresponding electrode pad according to the plurality of AD sampling values during the transmission of the alternating electric signal to the corresponding electrode pad by the electric field generator.

15. The oncological electric field therapy system according to claim 12, wherein the second adapter further comprises a filtering unit disposed between the ADC sampling unit and the corresponding temperature sampling point, the filtering unit being configured to perform a filtering process on the temperature signal detected by each temperature detection unit.

16. The oncological electric field therapy system according to claim 12, wherein the second adapter further comprises a first communication unit, the first adapter comprises a second communication unit and a second controller, the second communication unit is connected to the first communication unit, wherein the first controller is further configured to send a feedback signal of the handshake chip to the second controller, so that the second controller determines whether the first controller and the handshake chip complete handshake communication according to the feedback signal of the handshake chip.

17. The oncological electric field therapy system according to claim 16, wherein the first controller is further configured to send the plurality of AD sample values to the second controller such that the second controller identifies the type of the respective electrode pad based on the plurality of AD sample values.

18. The tumor electric field therapy system according to claim 17, wherein the second controller is further configured to determine whether a temperature abnormality occurs in the corresponding electrode pad according to the plurality of AD sampling values during the transmission of the alternating electric signal to the corresponding electrode pad by the electric field generator.

19. The tumor electric field therapy system according to claim 16, wherein the first adapter further comprises a third communication unit, the third communication unit is respectively connected to the second controller and the electric field generator, wherein the first controller is further configured to send a feedback signal of the handshake chip to the electric field generator through the first adapter, so that the electric field generator determines whether the handshake communication is completed between the first controller and the handshake chip according to the feedback signal of the handshake chip.

20. The oncological electric field therapy system according to claim 19, wherein the first controller is further configured to send the plurality of AD sample values to the electric field generator via the first adapter such that the electric field generator identifies the type of the respective electrode pad from the plurality of AD sample values.

21. The tumor electric field therapy system according to claim 20, wherein the electric field generator is further configured to determine whether a temperature abnormality occurs in the corresponding electrode pad based on the plurality of AD sample values during transmission of the alternating electric signals to the corresponding electrode pad.

22. The oncological electric field therapy system according to any one of claims 11-21, further comprising:

at least one first connector, each first connector adapted to connect a respective second adapter to the first adapter;

at least one second connector, each of the second connectors adapted to connect a respective electrode pad to a corresponding second adapter;

a third connector adapted to connect the electric field generator to the first adapter.

23. The oncological electric field therapy system according to claim 22, wherein the first connector is configured to connect the second adapter with the first adapter in the form of a connector, the second connector is configured to connect the second adapter with the electrode pad in the form of a connector, and the third connector is configured to connect the first adapter with the electric field generator in the form of a connector.

24. The oncological electric field therapy system according to any one of claims 10-21, wherein the electrode sheets are 4.