Electric field treatment deviceTechnical Field
The utility model relates to an electric field treatment device, which belongs to the technical field of medical instruments.
Background
Gliomas are a difficult to treat, fatal disease. According to the literature report, the annual incidence rate of the Chinese brain glioma is 3-6/10 ten thousand, and the annual death number reaches 3 ten thousand. At present, glioma treatment including means such as surgery, radiotherapy, chemotherapy, targeted therapy and the like cannot be completely treated due to extremely high recurrence rate of the glioma treatment due to continuous limitation. Tumor treatment electric fields (tumor treating fields) have a good effect on tumor treatment by interfering with the mitotic process of destroying cells. Currently, only NOVOTTF-100A medium frequency alternating electric field tumor treatment equipment developed by NoVokule (Novocure) Inc. is used in clinic globally.
The existing technology for treating tumors by integrating medium-frequency current electric fields is feasible for superficial tumors, but is not suitable for treating deep tumors. Because the epithelial cells have polarity, the epithelial tissues cover the surface of the body and the inner surfaces of various pipelines and cystic cavities in the body, and the epithelial tissue cells have better electric conductivity than other tissue cells. Meanwhile, the amplitude of unmodulated intermediate frequency current is unchanged, so that the medium frequency current is easily adapted to tumor cells, and the treatment effect is limited. In addition, the electrode array of the existing electric field treatment device is complex to use, has high manufacturing cost, is not suitable for forming a package on the head of a patient, and is easy to fall off.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric field treatment device aiming at the defects of the prior art.
In order to solve the above problems, the utility model adopts the following technical proposal:
an electric field treatment device comprises a host, a hand controller and an electrode array, wherein the host comprises a power supply, a power supply control module, a control switch, a signal generation module and a power amplification module, the hand controller comprises a control module and a touch display screen, the power supply is connected with the power supply input end of the power supply control module, the control switch is connected between the power supply and the power supply control module in series, the power supply output end of the power supply control module is connected with the power supply input end of the control module, the first signal output end of the control module is connected with the signal input end of the signal generation module, the signal output end of the signal generation module is connected with the signal input end of the power amplification module, the signal output end of the power amplification module is connected with the first signal input end of the control module, and the signal output end of the touch display screen is connected with the second signal input end, the touch display screen comprises a touch display screen body, and is characterized in that a signal input end of the touch display screen body is connected with a second signal output end of a control module, an electrode array is connected with a third signal output end of the control module, the electrode array comprises a flexible substrate, a plurality of notches are formed in the edge of the flexible substrate, a plurality of positioning sheets are arranged on the flexible substrate, a plurality of positioning holes are formed in the positioning sheets, electrode plates are arranged in the positioning holes and connected through a flexible circuit board, an external lead is welded on the flexible circuit board and connected with the control module.
Furthermore, the number of the electrode arrays is four, and every two electrode arrays are arranged in one group and respectively used as a positive electrode array and a negative electrode array.
Furthermore, a sleeve is sleeved at the welding position of the flexible circuit board and the external lead.
Furthermore, the flexible substrate is a medical adhesive tape, and the positioning plate is a silica gel positioning plate.
Further, the positioning sheet is glued on the flexible substrate.
Furthermore, a containing groove for the flexible circuit board to pass through is formed in the positioning sheet.
Further, the electrode plate is a ceramic electrode plate.
Furthermore, the electrode plate is glued in the positioning hole of the positioning plate.
Further, the electrode plates are welded on the flexible circuit board.
Furthermore, the electrode plate protrudes out of the positioning sheet by 0.1-0.2 mm.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses simple structure, portable. The voltage and frequency of the output signal are adjustable.
The flexible substrate adopts medical adhesive tape, and a plurality of gaps are formed in the edge of the medical adhesive tape, so that the medical adhesive tape is suitable for wrapping the head of a patient and is not easy to fall off.
The spacer is used for fixing the electrode slice, and the electrode slice is glued in the locating hole of the spacer and is not easy to move.
The electrode plate protrudes 0.1-0.2mm from the positioning plate, so that the electrode plate is ensured to be in good contact with a human body.
The electrode slice is connected with the positioning slice through the flexible circuit board, and a containing groove for the flexible circuit board to pass through is arranged on the positioning slice, so that the electrode slice is more attached to the head part and is convenient for a patient to wear.
The welding position of the flexible circuit board and the external lead is sleeved with a sleeve for preventing welding spots from hurting a human body.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic block diagram of the present invention;
fig. 3 is a schematic structural diagram of the electrode array of the present invention.
In the figure: 1. a flexible substrate; 2. positioning plates; 3. an electrode sheet; 4. a flexible circuit board; 5. connecting a lead externally; 6. a sleeve; 7. a containing groove; 8. a notch; 9. a host; 10. a hand controller; 11. an array of electrodes; 12. a touch display screen; 13. a power source; 14. a power supply control module; 15. a control switch; 16. a signal generation module; 17. a power amplification module; 18. and a control module.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-3, an electric field treatment device comprises ahost 9, ahand controller 10 and anelectrode array 11, wherein thehost 9 comprises apower supply 13, a powersupply control module 14, acontrol switch 15, asignal generation module 16 and apower amplification module 17, and thehand controller 10 comprises acontrol module 18 and atouch display screen 12.
Thepower supply 13 is connected with the power input end of the powersupply control module 14, thecontrol switch 15 is connected in series between thepower supply 13 and the powersupply control module 14, the power output end of the powersupply control module 14 is connected with the power input end of thecontrol module 18, the first signal output end of thecontrol module 18 is connected with the signal input end of thesignal generation module 16, the set parameters for generating signals are sent to thesignal generation module 16, thesignal generation module 16 generates signals meeting the requirements of certain frequency, amplitude and voltage, the signal output end of thesignal generation module 16 is connected with the signal input end of thepower amplification module 17, the amplitude and voltage of the generated signals are adjusted through thepower amplification module 17, the signal output end of thepower amplification module 17 is connected with the first signal input end of thecontrol module 18, and the modulated signals are sent to thecontrol module 18, the signal output end of thetouch display screen 12 is connected with the second signal input end of thecontrol module 18, the generated signal is set through thetouch display screen 12, the signal input end of thetouch display screen 12 is connected with the second signal output end of thecontrol module 18 to obtain the set parameter of the current signal, theelectrode array 11 is connected with the third signal output end of thecontrol module 18 to obtain the modulated output signal, in the using process, theelectrode array 11 is attached to the tumor position of a patient to form an electric field on the human body, theelectrode array 11 comprises aflexible substrate 1, a plurality ofnotches 8 are formed in the edge of theflexible substrate 1 and are suitable for wrapping the head of the patient, a plurality ofpositioning pieces 2 are arranged on theflexible substrate 1, thepositioning pieces 2 are silica gel positioning pieces and are used forfixing electrode pieces 3, a plurality of positioning holes are formed in thepositioning pieces 2, andelectrode pieces 3 are glued in the positioning holes,electrode slice 3 is ceramic electrode slice, and the welding is onflexible circuit board 4, and a plurality ofelectrode slices 3 pass throughflexible circuit board 4 and are connected withexternal conductor 5, andexternal conductor 5 is connected withcontrol module 18, andflexible circuit board 4 overlaps withexternal conductor 5's splice and is equipped withsleeve 6, and the silica gel sleeve pipe is chooseed for use tosleeve 6, is used for preventing that the solder joint from hurting the human body.
In the present embodiment, there are fourelectrode arrays 11, and each twoelectrode arrays 11 are a group and respectively used as a positive electrode array and a negative electrode array.
Preferably, in order to ensure that theelectrode plate 3 is in good contact with the human body, the electrode plate protrudes out of the positioning plate by 0.1-0.2 mm. In order to enable theelectrode plate 3 to be more attached to the head and be convenient for a patient to wear, thepositioning plate 2 is provided with a containinggroove 7 for theflexible circuit board 4 to penetrate through.
Therapeutic procedures
Turning on thecontrol switch 15 to check whether thetouch display screen 12 on thehand controller 10 is on; applying theelectrode array 11 to the head at the site to be treated; setting parameters through thetouch display screen 12; TTFields electric fields are formed in the patient's head and pass through the tumor cells, interfering with the tumor cells' mitotic processes, thereby killing the tumor cells.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.