WO2023016520A1 - 协同脉冲发生电路、发生装置及其发生方法 - Google Patents
协同脉冲发生电路、发生装置及其发生方法 Download PDFInfo
- Publication number
- WO2023016520A1 WO2023016520A1 PCT/CN2022/111828 CN2022111828W WO2023016520A1 WO 2023016520 A1 WO2023016520 A1 WO 2023016520A1 CN 2022111828 W CN2022111828 W CN 2022111828W WO 2023016520 A1 WO2023016520 A1 WO 2023016520A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulse
- pulse generating
- unit
- control signal
- cut
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000002195 synergetic effect Effects 0.000 title abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 97
- 238000012544 monitoring process Methods 0.000 claims description 17
- 230000002441 reversible effect Effects 0.000 claims description 17
- 230000015556 catabolic process Effects 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 239000002131 composite material Substances 0.000 abstract description 7
- 210000004881 tumor cell Anatomy 0.000 description 14
- 238000002679 ablation Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 206010028980 Neoplasm Diseases 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004520 electroporation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000015607 signal release Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006907 apoptotic process Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/017—Adjustment of width or dutycycle of pulses
Definitions
- the present application relates to pulse generation and medical device technology, in particular, the present application relates to a coordinated pulse generating circuit, a generating device and a generating method thereof.
- Pulse power technology is an electrophysical technology that quickly compresses, converts, or directly releases energy with a relatively high density that is stored slowly to the load.
- its main application fields are mainly in the military and national defense fields such as particle accelerators, electromagnetic pulse weapons, strong laser generators, and new weapon research, and it has promoted the rapid development of pulse power technology.
- This application aims to solve at least one aspect of the above-mentioned technical problems to a certain extent, and proposes a cooperative pulse generating circuit, a generating device and a generating method for generating pulses with different width ranges and forming more pulse combinations.
- the embodiment of the present application provides a coordinated pulse generating circuit
- the coordinated pulse generating circuit includes a first power supply, a first pulse generating module electrically connected to the first power supply, a second power supply, and a circuit connected to the second power supply.
- the first pulse generating module includes an n-level first pulse generating unit, the first pulse generating unit is configured to receive and store the electric energy provided by the first power supply at the first voltage, and to store the stored electric energy when receiving the first control signal release, so that x first pulse generating units receiving the first control signal are discharged to form the first pulse applied to the load, n is an integer greater than or equal to 1, and x is greater than or equal to 1 and less than or equal to n an integer of
- the second pulse generation module includes an m-level second pulse generation unit, the second pulse generation unit is configured to receive and store the electric energy provided by the second power supply at the second voltage, and to store the stored electric energy when receiving the second control signal release, so that y second pulse generating units receiving the second control signal are discharged to form a second pulse applied to the load, m is an integer greater than or equal to 1, and y is greater than or equal to 1 and less than or equal to an integer of m;
- the output ends of the first pulse generating module and the second pulse generating module are configured to be connected to the same load, the second voltage is greater than the first voltage, and the width of the second pulse is smaller than the width of the first pulse.
- the embodiment of the present application provides a coordinated pulse generating device, and the coordinated pulse generating device includes:
- the control module is electrically connected to the first pulse generating module and the second pulse generating module, and is configured to generate a first control signal and a second control signal according to input information, and transmit the first control signal to the first pulse generating module to transmit the second control signal to the second pulse generating module.
- the embodiment of the present application provides a coordinated pulse generation method, which is used in the coordinated pulse generation circuit of the first aspect of the present application, and the method includes:
- the n-level first pulse generating unit included in the first pulse generating module receives and stores the electric energy provided by the first power supply at the first voltage
- the m-level second pulse generating unit included in the second pulse generating module receives the second power supply to The electric energy provided by the second voltage is stored
- n is an integer greater than or equal to 1
- m is an integer greater than or equal to 1
- the second voltage is greater than the first voltage
- x first pulse generating units receive the first control signal, and discharge under the control of the first control signal to form the first pulse, where x is an integer greater than or equal to 1 and less than or equal to n;
- y second pulse generating units receive a second control signal, and discharge under the control of the second control signal to form a second pulse, y is an integer greater than or equal to 1 and less than or equal to m;
- the width of the second pulse is smaller than the width of the first pulse.
- the time when the second pulse generating unit receives the second control signal is different from the time when the first pulse generating unit receives the first control signal.
- the coordinated pulse generating circuit, generating device and generating method provided by the embodiment of the present application can selectively form the first pulse and/or the second pulse with different widths. pulse, and the voltage of the first pulse and the second pulse can be selected, so as to achieve the purpose of applying the composite pulse to the load.
- the synergistic pulse generating circuit, generating device and generating method of the present application are used in electroablation equipment for tumor treatment, taking tumor cells as the load as an example, the function of the composite pulse is beneficial to improve the ablation effect on tumor cells.
- FIG. 1 is a schematic structural diagram of a cooperative pulse generating circuit provided in an embodiment of the present application
- FIG. 2 is a schematic structural diagram of another cooperative pulse generating circuit provided in the embodiment of the present application.
- FIG. 3 is a schematic structural diagram of another cooperative pulse generating circuit provided in the embodiment of the present application.
- FIG. 4 is a schematic structural diagram of a cooperative pulse generating device provided in an embodiment of the present application.
- FIG. 5 is a schematic flowchart of a method for generating a coordinated pulse provided in an embodiment of the present application.
- the first pulse generating module 11-the first pulse generating unit; 111-the first storage unit; 112-the first switch unit; 113-the first cut-off unit;
- 2-the second pulse generating module 21-the second pulse generating unit; 211-the second storage unit; 212-the second switch unit; 213-the second cut-off unit;
- U1-first power supply U2-second power supply.
- the inventors of the present application found that when electroablation technology is used to ablate tumor cells, multiple pulses with different pulse widths are used in combination, and in some cases better ablation effects can be achieved than a single pulse.
- microsecond pulses act on tumor cells, although they have a larger ablation area, the ablation rate for tumor cells, especially malignant tumor cells with high distortion is low; when nanosecond pulses act on tumor cells, although there is Higher ablation rate, but smaller ablation area.
- the combined use of microsecond pulses or millisecond pulses and nanosecond pulses can significantly improve the ablation effect of tumor cells.
- microsecond or millisecond pulses during the duration of nanosecond pulse-induced irreversible electroporation to utilize cell membrane perforation.
- the electric field of microsecond or millisecond pulses penetrates into the cell interior and further induces apoptosis. Achieve better ablation than nanosecond, microsecond or millisecond pulses alone.
- corresponding pulse generating means are required.
- traditional pulse generators can only generate pulse signals of a specific width, which cannot meet the complex application requirements of pulse technology.
- the coordinated pulse generating circuit, generating device and generating method provided by the present application aim to solve at least one aspect of the above technical problems to a certain extent.
- the technical solution of the present application and how the technical solution of the present application solves the above technical problems will be described in detail below with specific embodiments.
- the coordinated pulse generating circuit includes a first power supply U1, a first pulse generating module 1 electrically connected to the first power supply U1, a second power supply U2 and A second pulse generating module 2 electrically connected to the second power supply U2;
- the first pulse generating module 1 includes an n-level first pulse generating unit 11, the first pulse generating unit 11 is configured to receive and store the electric energy provided by the first power supply U1 at the first voltage, and when receiving the first control signal The stored electric energy is released, and x first pulse generating units 11 receiving the first control signal are discharged to form the first pulse applied to the load 3, n is an integer greater than or equal to 1, x is greater than or equal to 1 and An integer less than or equal to n.
- the second pulse generating module 2 includes an m-level second pulse generating unit 21, the second pulse generating unit 21 is configured to receive and store the electric energy provided by the second power supply U2 at the second voltage, and when receiving the second control signal The stored electric energy is released, and y second pulse generating units 21 receiving the second control signal are discharged to form a second pulse applied to the load 3, m is an integer greater than or equal to 1, and y is greater than or equal to 1 and an integer less than or equal to m;
- the second voltage is greater than the first voltage, and the width of the second pulse is smaller than the width of the first pulse.
- the time when the second pulse generating unit 21 receives the second control signal is different from the time when the first pulse generating unit 11 receives the first control signal.
- the x first pulse generating units 11 that receive the first control signal are all discharged at the first voltage, but in practice, due to factors such as the equivalent impedance of each device in the pulse generating circuit
- the discharge voltage of the first pulse generating unit 11 is slightly lower than the first voltage, but the difference from the first voltage is very small. Therefore, the voltage of the first pulse applied to the load 3 can be approximately x times the first voltage.
- the voltage of the second pulse applied to the load 3 may be approximately y times the second voltage.
- the actual voltage values when the first pulse generating unit 11 and the second pulse unit 21 are discharged will not be explained and illustrated, but the first voltage and the second voltage will be used for description. Based on the above description, the voltage of the first pulse and the voltage of the second pulse can be adjusted by setting the numbers of the first pulse generating units 11 and the second pulse generating units 21 that are simultaneously discharged.
- the time when the second pulse generating unit 21 receives the second control signal is different from the time when the first pulse generating unit 11 receives the first control signal, which means that when the second pulse generating unit 21 receives the second control signal, The first pulse generating unit 11 will not receive the first control signal, and when the first pulse generating unit 11 receives the first control signal, the second pulse generating unit 21 will not receive the second control signal, that is, the first pulse and The second pulse is not formed at the same time to avoid mutual interference between the first pulse and the second pulse.
- the pulse combination includes a plurality of first pulse groups, and there is an interval time t1 between two adjacent first pulse groups, each first pulse group includes a first pulses, and two adjacent first pulse groups Time t2 between the first pulses.
- the pulse combination includes a plurality of second pulse groups, and there is an interval time t3 between two adjacent second pulse groups, each second pulse group includes b second pulses, and two adjacent second pulse groups The time interval between two pulses is t4.
- the combination of pulses includes multiple first pulses and multiple second pulses, and the first pulses and the second pulses may be applied to the load 3 alternately, or after all the first pulses are applied to the load 3
- the second pulse is applied to the load 3 again, or the second pulse is applied to the load 3 after all the second pulses are applied to the load 3.
- these first pulses form a plurality of first pulse groups
- these second pulses form a plurality of The second pulse group, the first pulse group and the second pulse group are alternately applied to the load 3 .
- the coordinated pulse generating circuit in this embodiment can selectively form the first pulse and/or the second pulse with different widths, and can select the voltage of the first pulse and the second pulse, so as to realize the application of the composite pulse to the load 3 purposes.
- the width of the first pulse and the second pulse can be controlled by setting the control signal. According to different pulse voltage requirements, those skilled in the art can configure the voltages of the first power supply and the second power supply and the number of stages of the pulse generating unit accordingly, so that the output pulse voltage meets the required voltage range.
- the signal output by the coordinated pulse generating circuit in this application is also referred to as a coordinated pulse or a composite pulse.
- the effect of the compound pulse is beneficial to improve the ablation effect on tumor cells.
- the first pulse may be a millisecond pulse or a microsecond pulse;
- the second pulse may be a nanosecond pulse.
- the voltage of the first pulse can be set to the order of several thousand volts, while the voltage of the nanosecond pulse can be set to the order of tens of kilovolts. For example, if the voltage of the nanosecond pulse is 15KV, and the second voltage source is 750V, the output of 15KV can be realized through 20-stage pulse generating units.
- the optional frame of the coordinated pulse generating circuit has been described.
- the connection relationship of the pulse generating units 11, the structure of the second pulse generating units 21 of each level in the second pulse generating module 2, and the connection relationship of the second pulse generating units 21 of each level will be described in detail.
- the first pulse generating unit 11 in the coordinated pulse generating circuit includes a first storage unit 111, a first switching unit 112, and a first cut-off unit 113
- the second pulse generating The unit 21 includes a second storage unit 211 , a second switch unit 212 and a second cut-off unit 213 .
- the first switch unit 112 is configured to be turned on under the control of the first control signal, so that each first storage unit 111 at the same level as the first switch unit 112 that receives the first control signal performs connected in series and discharged to form the first pulse.
- the first cut-off unit 113 is configured to only allow current to flow from the first power supply U1 to the first pulse generating unit 11, or to flow from the first pulse generating unit 11 of the current stage to the first pulse generating unit 11 of the next stage. .
- the first storage unit 111 in the generating unit 11 is connected in series and discharges.
- the first storage unit 111 is equivalent to a power supply during the discharge process, and these power supplies connected in series are discharged at the first voltage at the same time. If there are x first storage units 111 in the n-level first storage units 111 that are connected in series and discharged, then The voltage of the formed first pulse is x times the first voltage.
- the second switch unit 212 is configured to be turned on under the control of the second control signal, so that the second storage units 211 of the same level in the second switch unit 212 that receive the second control signal perform connected in series and discharge to form a second pulse;
- the second cut-off unit 213 is configured to only allow current to flow from the second power supply U2 to the second pulse generating unit 21, or to flow from the second pulse generating unit 21 of the current stage to the second pulse generating unit 21 of the next stage. Pulse generating unit 21.
- the second storage unit 211 in the generating unit 21 is connected in series and discharges.
- the second storage unit 211 is equivalent to a power supply during the discharge process. These series-connected power supplies discharge at the second voltage at the same time. If the m-level second storage unit 211 If y second storage cells 211 are connected in series and discharged, the voltage of the formed second pulse is y times the second voltage.
- the first switch unit 112 is also configured to be turned off when receiving the third control signal, so that the first storage units 111 of each level are connected in parallel to the first power supply U1 and receive power provided by the first power supply U1. and store the electric energy;
- the second switch unit 212 is also configured to be disconnected when receiving the fourth control signal, so that the second storage units 211 of each level are connected in parallel to the second power supply U2 and receive the electric energy provided by the second power supply U2 and store it.
- the first storage units 111 of each level are connected in parallel and the electric energy provided by the first power supply U1 is The first voltage is stored, and similarly, the second storage units 211 of each level are also connected in parallel, and the electric energy provided by the first power supply U1 is stored at the first voltage.
- the first cut-off unit 113 includes a first cut-off device and a second cut-off device.
- the first cut-off device of the first level is electrically connected to the first end of the first power supply U1 and the first end of the first storage unit 111 of the first level respectively, and the first cut-off device of the i-th level is respectively connected to the first storage unit of the i-1th level.
- the first end of the unit 111, the first end of the first storage unit 111 of the i-th level, and the first cut-off device of the i-1th level are electrically connected, and the second cut-off devices of each level are respectively connected to the second cut-off device of the first storage unit 111 of the current level.
- Terminal, the second terminal of the first switch of the current stage and the second cut-off device of the next stage are electrically connected, and i is an integer greater than or equal to 2.
- the second cut-off unit 213 includes a third cut-off device and a fourth cut-off device.
- the third cut-off device of the first level is electrically connected to the first end of the second power supply U2 and the first end of the second storage unit 211 of the first level respectively, and the third cut-off device of the jth level is respectively connected to the second end of the j-1th level.
- the first terminal of the storage unit 211, the first terminal of the second storage unit 211 of the jth level, and the third cut-off device of the j-1th level are electrically connected, and the fourth cut-off devices of each level are respectively connected to the first end of the second storage unit 211 of the current level.
- the two terminals are electrically connected to the second terminal of the second switch of the current stage and the fourth cut-off device of the next stage, and j is an integer greater than or equal to 2.
- the two ends of the first storage units 111 of each level are electrically connected to the two ends of the first power supply U1 respectively, and the control terminals of the first switch units 112 of each level are configured to receive the first control signal,
- the first end and the second end of the first switch unit 112 of each level are respectively electrically connected to the first end of the first storage unit 111 of the current level and the second end of the first storage unit 111 of the next level;
- the two ends of 211 are respectively electrically connected to the two ends of the second power supply U2, the control ends of the second switch units 212 of each level are configured to receive the second control signal, and the first ends and second ends of the second switches of each level are respectively connected to The first end of the second storage unit 211 of the current level is electrically connected to the second end of the second storage unit 211 of the next level.
- the first storage unit 111 includes a first capacitor
- the second storage unit 211 includes a second capacitor
- the first switching unit 212 includes a first solid-state switching device
- the second switching unit 212 includes a second solid-state switching device
- the first cut-off device includes a first diode
- the second cut-off device includes a second diode
- the third cut-off device includes a third diode
- the fourth cut-off device includes a fourth diode. That is, a capacitor is used as a storage unit, a solid-state switching device is used as a switching unit, and a diode is used as a cut-off device.
- the solid-state switching device can be implemented based on a metal oxide semiconductor field effect transistor (MOSFET), an insulated gate bipolar transistor (IGBT) or a transistor.
- MOSFET metal oxide semiconductor field effect transistor
- IGBT insulated gate bipolar transistor
- the first pulse generating module 1 includes 4-stage first pulse generating units 11, and the second pulse generating module 2 includes 3-stage second pulse generating units 21, that is, n is equal to 4 , m is equal to 3. It should be noted that this is only an illustration, and is not intended to limit the number of stages of the first pulse generating unit 11 in the first pulse generating module 1 and the number of stages of the second pulse generating unit 21 in the second pulse generating module 2 .
- the first switching unit 112 from the first stage to the fourth stage that is, the first solid-state switching devices from the first stage to the fourth stage are respectively a solid-state switching device S 1-1 , a solid-state switching device S 1-2 , The solid-state switching device S 1-3 and the solid-state switching device S 1-4 ; the first switch storage of the first stage to the fourth stage are respectively capacitor C 1-1 , capacitor C 1-2 , capacitor C 1-3 and capacitor C 1 -4 ; the first cut-off devices from the first level to the fourth level are diode D 1-1 , diode D 1-2 , diode D 1-3 and diode D 1-4 respectively; the second cut-off devices from the first level to the fourth level The devices are respectively diode D 2-1 , diode D 2-2 , diode D 2-3 and diode D 2-4 .
- the second switching unit 212 from the first stage to the fourth stage that is, the second transistors from the first stage to the fourth stage are respectively solid-state switching device S 2-1 , solid-state switching device S 2-2 , solid-state switching device S 2-2 , The solid-state switching device S 2-3 and the solid-state switching device S 2-4 ;
- the second storage units 211 of the first to fourth stages are capacitor C 2-1 , capacitor C 2-2 , capacitor C 2-3 and capacitor C 2-4 ;
- the third cut-off devices from the first to fourth stages are diode D 3-1 , diode D 3-2 , diode D 3-3 and diode D 3-4 ;
- the fourth from first to fourth stages The cut-off devices are diode D 4-1 , diode D 4-2 and diode D 4-3 respectively.
- the first power supply U1 charges the first storage unit 111, that is, the capacitor C 1-1 , capacitor C 1-2 , capacitor C 1-3 and capacitor C 1-4 , the current flows through the second cut-off device, that is, the diode D 2-1 , the diode D 2-2 , the diode D 2-3 and the diode D 2-4 .
- the second power supply U2 charges the second storage unit 211, that is, the capacitor C 2-1 , capacitor C 2-2 , and capacitor C 2-3
- the current flows through the fourth cut-off device, that is, the diode D 4-1 and the diode D 4-2 .
- Diode D 4-3 Diode D 4-3 .
- the first pulse generating module 1 and the second pulse generating module 2 in the coordinated pulse generating circuit provided by this embodiment can not only realize the generation of composite pulses, but also reduce the wiring space, that is, a circuit board with a smaller area can be used as the circuit board of this embodiment. in the carrier of the synergistic pulse generation circuit.
- both the first power supply U1 and the second power supply U2 are constant voltage power supplies, when the solid-state switching device S 1-1 , the solid-state switching device S 1-2 , the solid-state switching device S 1-3 and the solid-state switching device S
- the solid-state switching device S 1-1 , the solid-state switching device S 1-2 , the solid-state switching device S 1-3 and the solid-state switching device S 1-4 are all in the off state, and the diode D 1-1 , diode D 1-2 , diode D 1-3 and diode D 1-4 , diode D 2-1 , diode D 2-2 and diode D 2-3 have unidirectional conduction function, so that capacitor C 1- 1.
- Capacitor C 1-2 , capacitor C 1-3 and capacitor C 1-4 are connected in parallel and are all electrically connected to the first terminal and the second terminal of the first power supply U1, that is, they are all connected to the positive pole and the second terminal of the first power supply U1. Negative electrical connection. When the charging is completed, the potential differences between the two terminals of the capacitor C 1-1 , the capacitor C 1-2 and the capacitor C 1-3 are all the first voltage.
- the capacitor C 2-1 , the capacitor C 2-2 , and the capacitor C 2 - 3 are connected in parallel and both are electrically connected to the first terminal and the second terminal of the second power supply U2 , that is, both are electrically connected to the positive pole and the negative pole of the second power supply U2 .
- the potential differences between the two ends of the capacitor C 2-1 , the capacitor C 2-2 and the capacitor C 2-3 are all the second voltage.
- the solid-state switching device S 2-1 , the solid-state switching device S 2-2 and the solid-state switching device S 2-3 all receive the second control signal
- the solid-state switching device S 2-1 , the solid-state switching device S 2- 2 and the solid-state switching device S 2-3 are in the conduction state
- the capacitor C 2-1 , the capacitor C 2-2 and the capacitor C 2-3 are connected in series
- the capacitor C 2-1 , the capacitor C 2-2 and the capacitor C 2-3 discharges at the same time, and the discharge voltages are all the second voltage, so the voltage of the formed second pulse is three times the second voltage.
- the first cut-off devices from the second to the nth stages all include a first diode
- the second cut-off devices at each level include a second diode tube, the reverse breakdown voltage of the first diode and the reverse breakdown voltage of the second diode are both greater than the first voltage
- the second to mth third cut-off devices all include a third diode
- the fourth cut-off devices at all levels include a fourth diode, the reverse breakdown voltage of the third diode and the reverse breakdown voltage of the fourth diode are both greater than the second voltage
- the first pole first The cut-off device includes s first diodes, s times of the reverse breakdown voltage of the first diode is greater than (n-1) times of the first voltage
- the first third cut-off device includes t third two In the pole tube, s times of the reverse breakdown voltage of the third diode is greater than (m-1) times of the second voltage, s is an integer greater than or equal to 1,
- the first pulse generating module 1 includes 4 stages of first pulse generating units 11
- the second pulse generating module 2 includes 3 stages of second pulse generating units 21 . If the parameters of all the diodes used as cut-off devices are the same, since the first voltage is lower than the second voltage, in order to ensure that each diode can normally play a one-way cut-off function, the second voltage should be used as the basis for selection, for example, if the first If the second voltage is 1000V, the reverse breakdown voltage of each diode should be greater than 1000V.
- the reverse breakdown voltage of each diode is 1100V.
- the voltage at one end of the capacitor C 1-1 connected to the anode of the first power supply U1 is 800V. At this time, the voltage difference between the two ends of the diode D 1-1 is 800V, and only one diode D 1-1 is required.
- the capacitor C 1- 1 The voltage at the end connected to the anode of the first power supply U1 is 2000V. At this time, the voltage difference between the two ends of the diode D 1-1 is 1500V, so two diodes D 1-1 should be provided.
- the reverse breakdown voltage of each diode is 1100V. -3 are both in the conduction state, then the voltage at one end of the capacitor C 2-1 connected to the anode of the second power supply U2 is 3000V, at this time, the voltage difference between the two ends of the diode D 3-1 is 2000V, and two diodes need to be provided D 3-1 .
- the pulse generating circuit of the embodiment of the present application may further include a first leakage module 4 and a second leakage module 5 .
- the first leakage module 4 is electrically connected to the first pulse generation module and the ground respectively, and is configured to connect the first pulse generation module to the ground under the control of the first leakage signal so as to connect the first pulse generation module to the ground. Discharge the remaining power.
- the second leakage module 5 is electrically connected to the second pulse generation module and the ground respectively, and is configured to connect the second pulse generation module to the ground under the control of the second leakage signal so as to connect the second pulse generation module to the ground. Discharge the remaining power.
- the pulse generating circuit may further include a trigger unit 61 and at least a pair of electrodes 62 electrically connected to the trigger unit 61, the trigger unit 61 is electrically connected to the first pulse generating module and the second pulse generating module, and the electrodes 62 For contact with load 3.
- the trigger unit 61 is configured to be turned on to transmit the first pulse signal and/or the second pulse signal to the electrode 62 when triggered by a trigger instruction.
- the pulse generation circuit further includes an associated switch 63 associated with the trigger unit 61 .
- the associated switch 63 may be a foot switch.
- the pulse generating circuit also includes a multiplexing unit 64, which can convert one signal into multiple signals, thereby matching multiple pairs of electrodes, and each pair of electrodes 62 needs Two identical signals.
- the pulse generation circuit further includes a monitoring module, configured to monitor the output voltage of the first pulse signal and/or the second pulse signal and/or monitor the output voltage of the first pulse signal and/or the second pulse signal The output current is monitored.
- the monitoring module may include a resistor 7 and a first monitoring unit 81 and a second monitoring unit 82 .
- the resistor 7 is electrically connected to the first pulse generating module, the second pulse generating module and the ground respectively, and the first pulse signal and/or the second pulse signal are applied to the resistor 7 .
- the first monitoring unit 81 is configured to monitor the current of the first pulse signal and/or the second pulse signal; the second monitoring unit 82 is configured to apply the first pulse signal and/or the second pulse signal to the resistance 7 voltage is monitored.
- only one of the monitoring units may be used to monitor one of the output voltage or current of the coordinated pulse signal.
- only the first monitoring unit 81 is used, and at this time the first monitoring unit 81 can be configured as a voltage sensor or a current sensor.
- the first monitoring unit 81 includes a first Pearson coil
- the second monitoring unit 82 includes a second Pearson coil
- the first Pearson coil is configured to sense the current of the first pulse signal and/or the second pulse signal
- the second monitoring unit 82 includes a second Pearson coil.
- the two Pearson coils are configured to sense the voltage applied to the resistor 7 by the first pulse signal and/or the second pulse signal, so as to realize the monitoring and output current of the voltage output by the first pulse signal and/or the second pulse signal monitoring.
- the first pulse signal and the second pulse signal with certain parameters are formed, and the above-mentioned two Pearson coils can sense the corresponding current and voltage, when the induction results of the above-mentioned two Pearson coils meet
- the parameters of the first pulse signal and the second pulse signal are determined, it is determined that the cooperative pulse generating circuit at this time is in a normal working state, and once the induction results of the above two Pearson coils deviate from the parameters of the first pulse signal and the second pulse signal , it is determined that the cooperative pulse generator is in an abnormal working state, so that the operator can find out the fault in time and take corresponding measures.
- the coordinated pulse generating circuit in this embodiment when the coordinated pulse generating circuit in this embodiment is applied to the medical field, that is, when applied to pulse therapy equipment, it can be judged in time whether the output first pulse and/or the second pulse are normal according to the monitoring results provided by the monitoring module, Therefore, it is ensured that the output on the load 3 is coordinated with the set output parameters.
- the embodiment of the present application also provides a coordinated pulse generating device, as shown in Figure 4, the coordinated pulse generating device includes the coordinated pulse generating circuit and the control module in the above embodiment, and the control module is connected with the first The pulse generating module 1 and the second pulse generating module 2 are electrically connected, and are configured to generate a first control signal and a second control signal according to input information, and transmit the first control signal to the first pulse generating module 1, and transmit the second The control signal is transmitted to the second pulse generating module 2 .
- the coordinated pulse generating device provided in this embodiment includes the beneficial effects of the coordinated pulse generating circuit in the above embodiments, which will not be repeated here.
- the coordinated pulse generating device in this embodiment can be used in electroablation equipment, which can provide coordinated output of microsecond pulses and nanosecond pulses, and can also be called micro-nanoblade equipment.
- the first pulse is a microsecond pulse
- the second pulse is a nanosecond pulse.
- the combination of nanosecond pulses and microsecond pulses can be generated by using the micro-nanoknife system. By applying the combination of nanosecond pulses and microsecond pulses to tumor tissue, the ablation effect of tumor tissue can be effectively improved.
- the embodiment of the present application also provides a coordinated pulse generation method, as shown in Figure 5, the coordinated pulse generation method includes:
- the n-stage first pulse generating unit 11 included in the first pulse generating module 1 receives and stores the electric energy provided by the first power supply U1 at the first voltage
- the m-stage second pulse generating unit included in the second pulse generating module 2 generates
- the unit 21 receives and stores electric energy provided by the second power supply U2 at a second voltage, the second voltage is greater than the first voltage
- n is an integer greater than or equal to 1
- m is an integer greater than or equal to 1.
- the charging process of the first pulse generating module 1 and the charging process of the second pulse generating module 2 can be carried out simultaneously, or only the first pulse generating module 1 or the second pulse generating module 2 can be charged, or The charging process of the first pulse generating module 1 and the charging process of the second pulse generating module 2 are not carried out simultaneously.
- the n-stage first pulse generating units 11 included in the first pulse generating module 1 receive and store the electric energy provided by the first power supply U1 at the first voltage, including: each first switch unit 112 receives the third control signal is turned off at times, so that the first storage units 111 of each level are connected in parallel to the first power supply U1 to receive and store the electric energy provided by the first power supply U1.
- the charging process of the first pulse generating module 1 is as follows: when the solid-state switching device S 1-1 , the solid-state switching device S 1-2 , the solid-state switching device S 1-3 and When the solid-state switching device S 1-4 receives the third control signal, the solid-state switching device S 1-1 , the solid-state switching device S 1-2 , the solid-state switching device S 1-3 and the solid-state switching device S 1-4 are all off state, diode D 1-1 , diode D 1-2 , diode D 1-3 and diode D 1-4 , diode D 2-1 , diode D 2-2 , diode D 2-3 and diode D 2-4 have The one-way conduction function makes the capacitor C 1-1 , capacitor C 1-2 , capacitor C 1-3 and capacitor C 1-4 in a parallel relationship and are all electrically connected to the first end and the second end of the first power supply U1, That is, both are electrically connected to the positive
- the m-stage second pulse generating unit 21 included in the second pulse generating module 2 receives and stores the electric energy provided by the second power supply U2 at the second voltage, including: each second switch unit 212 receives the fourth control signal is turned off, so that the second storage units 211 of each level are connected in parallel to the second power supply U2 to receive and store the electric energy provided by the second power supply U2.
- the solid-state switching device S 2-1 , the solid-state switching device S 2-2 and the solid-state switching device S 2-3 receive
- the solid-state switching device S 2-1 , the solid-state switching device S 2-2 and the solid-state switching device S 2-3 are all in the off state
- the diode D 3-1 , the diode D 3-2 , and the diode D 3 -3 , the diode D 3-4 , the diode D 4-1 , the diode D 4-2 and the diode D 4-3 have a one-way conduction function, so that the capacitor C 2-1 , the capacitor C 2-2 and the capacitor C 2-3 They are connected in parallel and both are electrically connected to the first terminal and the second terminal of the second power supply U2, that is, both are electrically connected to the positive pole and the negative pole of the second power supply U2.
- both the first control signal and the second control signal are high level, while the third control signal and the fourth control signal are both low level, that is, as long as the first pulse generating module 1 does not receive
- the first power supply U1 is in the state of charging the first capacitors of each level or maintaining the voltage difference between the two ends of the first capacitors of each level at the first voltage.
- the second power supply U2 is in the state of charging the second capacitors of each level or maintaining the voltage difference between the two ends of the second capacitors of each level as the second voltage .
- x first pulse generating units 11 receive the first control signal, and discharge under the control of the first control signal to form the first pulse applied to the load 3, x is an integer greater than or equal to 1 and less than or equal to n .
- the first pulse generating unit 11 includes a first storage unit 111, a first switch unit 112, and a first cut-off unit 113.
- the first cut-off unit 113 only allows current to flow from the first power supply U1 to the first The pulse generating unit 11, or the first pulse generating unit 11 of the current stage flows to the first pulse generating unit 11 of the next stage.
- step S2 includes: x first switch units 112 receive the first control signal and are turned on under the control of the first control signal, so that x The first memory cells 111 are connected in series and discharged to form the first pulse.
- the first cut-off unit 113 includes a first cut-off device and a second cut-off device.
- the first storage unit 111 includes a first capacitor
- the first switch unit 112 includes a first solid-state switching device
- the first cut-off device includes a first diode
- the second cut-off device includes a second diode.
- the first pulse generating module 1 includes four stages of first pulse generating units 11 , that is, n is equal to four.
- the first switching unit 112 from the first stage to the fourth stage that is, the first solid-state switching devices from the first stage to the fourth stage are respectively a solid-state switching device S 1-1 , a solid-state switching device S 1-2 , The solid-state switching device S 1-3 and the solid-state switching device S 1-4 ;
- the first switch storage from the first level to the fourth level that is, the first capacitors from the first level to the fourth level are capacitor C 1-1 and capacitor C 1 -2 , Capacitor C 1-3 and Capacitor C 1-4 ;
- the first cut-off devices from the first stage to the fourth stage that is, the first diodes from the first stage to the fourth stage are diode D 1-1 and diode D 1-2 , diodes D 1-3 and diodes D 1-4 ;
- second cut-off devices from the first to fourth stages, and the second diodes from the first to fourth stages are diodes D 2-1 and diodes D 2-2 , diode D 2-3 and di
- y second pulse generating units 21 receive the second control signal, and discharge under the control of the second control signal to form the second pulse applied to the load 3, y is greater than or equal to 1 and less than or equal to m integer, the width of the second pulse is smaller than the width of the first pulse, and the time when the second pulse generating unit 21 receives the second control signal is different from the time when the first pulse generating unit 11 receives the first control signal.
- the second pulse generating unit 21 includes a second storage unit 211, a second switch unit 212, and a second cut-off unit 213.
- the second cut-off unit 213 only allows current to flow from the second power supply U2 to the second The pulse generating unit 21, or the second pulse generating unit 21 of the current stage flows to the second pulse generating unit 21 of the next stage.
- step S3 includes: y second switch units 212 receive the second control signal and conduct under the control of the second control signal, so that The y second memory cells 211 are connected in series and discharged to form the second pulse.
- the second cut-off unit 213 includes a third cut-off device and a fourth cut-off device.
- the second storage unit 211 includes a second capacitor; the second switch unit 212 includes a second solid-state switching device; the third cut-off device includes a third diode, and the fourth cut-off device includes a fourth diode.
- the second pulse generating module 2 includes four stages of second pulse generating units 21 , that is, m is equal to three.
- the second switching unit 212 from the first stage to the fourth stage that is, the second transistors from the first stage to the third stage are the solid state switching device S 2-1 , the solid state switching device S 2-2 and the solid state switching device S 2-2 respectively.
- the solid-state switching device S 2-3 the second storage unit 211 from the first level to the third level, that is, the second capacitors from the first level to the third level are capacitor C 2-1 , capacitor C 2-2 and capacitor C 2- 3 ; the third cut-off device from the first level to the third level, that is, the third diodes from the first level to the third level are diode D 3-1 , diode D 3-2 and diode D 3-3 ; the first level The fourth cut-off devices to the third stage, that is, the fourth diodes from the first stage to the third stage are diode D 4-1 , diode D 4-2 and diode D 4-3 respectively.
- the solid-state switching device S 2-1 , the solid-state switching device S 2-2 and the solid-state switching device S 2-3 all receive the second control signal
- the solid-state switching device S 2-1 , the solid-state switching device S 2-2 and solid-state switching device S 2-3 are both in the conduction state
- capacitor C 2-1 , capacitor C 2-2 and capacitor C 2-3 are connected in series
- capacitor C 2-1 , capacitor C 2- 2 and the capacitor C 2-3 discharge at the same time
- the discharge voltage is the second voltage, so the voltage of the second pulse formed is three times the second voltage.
- the coordinated pulse generation method in this embodiment can selectively form the first pulse and the second pulse with different widths, and can select the voltage of the first pulse and the second pulse, so as to realize the application of the composite pulse to the load 3 Objective, taking the load 3 as an example of tumor cells, the effect of compound pulse is beneficial to improve the ablation effect on tumor cells.
- the pulse combination includes a plurality of first pulse groups, and there is an interval time t1 between two adjacent first pulse groups, each first pulse group includes a first pulses, and two adjacent first pulse groups
- the interval time t2 between one pulse includes only step S1 in the two steps of step S1 and step S2.
- the pulse combination includes a plurality of second pulse groups, and there is an interval time t3 between two adjacent second pulse groups, each second pulse group includes b second pulses, and two adjacent second pulse groups The interval time t4 between two pulses includes only step S2 in the two steps of step S1 and step S2.
- the pulse combination includes multiple first pulses and multiple second pulses, and the first pulses and the second pulses may be applied to the load 3 alternately, or after all the first pulses are applied to the load 3 The second pulse is applied to the load 3 again, or the second pulse is applied to the load 3 after all the second pulses are applied to the load 3.
- first pulses form a plurality of first pulse groups
- second pulses form a plurality of The second pulse group, the first pulse group and the second pulse group are alternately applied to the load 3 , that is, step S1 and step S2 are included at the same time.
- the coordinated pulse generating circuit, generating device and generating method provided in the embodiments of the present application can selectively form the first pulse and/or the second pulse with different widths, and The voltage of the first pulse and the second pulse can be selected, so as to realize the purpose of applying the compound pulse to the load.
- the function of the compound pulse is beneficial to improve the ablation effect on the tumor cells.
- first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality” means two or more.
- connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.
Landscapes
- Electronic Switches (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
Description
Claims (18)
- 一种协同脉冲发生电路,包括:第一电源;与所述第一电源电连接的第一脉冲发生模块,所述第一脉冲发生模块包括n级第一脉冲发生单元,所述第一脉冲发生单元被配置为接收所述第一电源以第一电压提供的电能并进行存储,并在接收到第一控制信号时对存储的电能进行释放,以使x个接收所述第一控制信号的所述第一脉冲发生单元进行放电以形成施加至负载的第一脉冲,n为大于或等于1的整数,x为大于或等于1且小于或等于n的整数;第二电源;以及与所述第二电源电连接的第二脉冲发生模块,所述第二脉冲发生模块包括m级第二脉冲发生单元,所述第二脉冲发生单元被配置为接收所述第二电源以第二电压提供的电能并进行存储,并在接收到第二控制信号时对存储的电能进行释放,以使y个接收到所述第二控制信号的所述第二脉冲发生单元进行放电以形成施加至所述负载的第二脉冲,m为大于或等于1的整数,y为大于或等于1且小于或等于m的整数;其中,所述第一脉冲发生模块和第二脉冲发生模块的输出端被配置为连接到同一负载,所述第二电压大于所述第一电压,所述第二脉冲的宽度小于所述第一脉冲的宽度。
- 根据权利要求1所述的协同脉冲发生电路,其中,所述第一脉冲发生单元包括第一存储单元、第一开关单元以及第一截止单元;所述第一开关单元被配置为接收所述第一控制信号并在所述第一控制信号的控制下导通,以使与接收到所述第一控制信号的所述第一开关单元同级的各所述第一存储单元串联并进行放电以形成所述第一脉冲;所述第一截止单元被配置为仅允许充电电流由所述第一电源流向所述第一脉冲发生单元,或者由本级所述第一脉冲发生单元流向下一级所述 第一脉冲发生单元,且仅允许放电电流由本级所述第一脉冲发生单元流向下一级所述第一脉冲发生单元;所述第二脉冲发生单元包括第二存储单元、第二开关单元以及第二截止单元;所述第二开关单元被配置为接收所述第二控制信号并在所述第二控制信号的控制下导通,以使接收到所述第二控制信号的所述第二开关单元中同级的各所述第二存储单元串联并进行放电以形成所述第二脉冲;所述第二截止单元被配置为仅允许充电电流由所述第二电源流向所述第二脉冲发生单元,或者由本级所述第二脉冲发生单元流向下一级所述第二脉冲发生单元,且仅允许放电电流由本级所述第二脉冲发生单元流向下一级所述第二脉冲发生单元。
- 根据权利要求2所述的协同脉冲发生电路,其中,所述第一开关单元还被配置为在接收到第三控制信号时断开,以使各级所述第一存储单元并联至所述第一电源而接收到所述第一电源提供的电能并进行存储;所述第二开关单元还被配置为在接收到第四控制信号时断开,以使各级所述第二存储单元并联至所述第二电源而接收到所述第二电源提供的电能并进行存储。
- 根据权利要求2所述的协同脉冲发生电路,其中,所述第一截止单元包括第一截止器件和第二截止器件,第1级第一截止器件分别与所述第一电源的第一端和第1级第一存储单元的第一端电连接,第i级第一截止器件分别与第i-1级第一存储单元的第一端、第i级第一存储单元的第一端以及第i-1级第一截止器件电连接,各级第二截止器件分别与本级第一存储单元的第二端、本级第一开关的第二端以及下一级第二截止器件电连接,i为大于或等于2的整数;所述第二截止单元包括第三截止器件和第四截止器件,第1级第三截止器件分别与所述第二电源的第一端和第1级第二存储单元的第一端电连接,第j级第三截止器件与分别与第j-1级第二存储单元的第一端、第j 级第二存储单元的第一端以及第j-1级第三截止器件电连接,各级第四截止器件分别与本级第二存储单元的第二端、本级第二开关的第二端以及下一级第四截止器件电连接,j为大于或等于2的整数。
- 根据权利要求4所述的协同脉冲发生电路,其中,各级所述第一存储单元的两端分别与所述第一电源的两端电连接,各级所述第一开关单元的控制端被配置为接收所述第一控制信号,各级所述第一开关的第一端和第二端分别与本级所述第一存储单元的第一端以及下一级所述第一存储单元的第二端电连接;各级所述第二存储单元的两端分别与所述第二电源的两端电连接,各级所述第二开关单元的控制端被配置为接收所述第二控制信号,各级所述第二开关的第一端和第二端分别与本级所述第二存储单元的第一端以及下一级所述第二存储单元的第二端电连接。
- 根据权利要求4所述的协同脉冲发生电路,其中,所述第一存储单元包括第一电容,所述第二存储单元包括第二电容;所述第一开关单元包括第一固态开关器件,所述第二开关单元包括第二固态开关器件;所述第一截止器件包括第一二极管,所述第二截止器件包括第二二极管,所述第三截止器件包括第三二极管,所述第四截止器件包括第四二极管。
- 根据权利要求6所述的协同脉冲发生电路,其中,第2级至第n级所述第一截止器件均包括一个所述第一二极管,各级所述第二截止器件均包括一个所述第二二极管,所述第一二极管的反向击穿电压和所述第二二极管的反向击穿电压均大于所述第一电压;第2级至第m级所述第三截止器件均包括一个所述第三二极管,各级所述第四截止器件均包括一个所述第四二极管,所述第三二极管的反向击穿电压和所述第四二极管的反向击穿电压均大于所述第二电压。
- 根据权利要求7所述的协同脉冲发生电路,其中,第1极所述第一截止器件包括s个所述第一二极管,所述第一二极管 的反向击穿电压的s倍大于所述第一电压的(n-1)倍,s为大于或等于1的整数;第1极所述第三截止器件包括t个所述第三二极管,所述第三二极管的反向击穿电压的s倍大于所述第二电压的(m-1)倍,t为大于或等于1的整数。
- 根据权利要求1所述的协同脉冲发生电路,其中,所述脉冲发生电路还包括:第一泄电模块,分别与所述第一脉冲发生模块和地电连接,且被配置为在第一泄电信号的控制下将所述第一脉冲发生模块与地导通以将所述第一脉冲发生模块中的残留电量进行释放;以及第二泄电模块,分别与所述第二脉冲发生模块和地电连接,且被配置为在第二泄电信号的控制下将所述第二脉冲发生模块与地导通以将所述第二脉冲发生模块中的残留电量进行释放。
- 根据权利要求1所述的协同脉冲发生电路,其中,所述第一脉冲为毫秒脉冲或微秒脉冲;以及所述第二脉冲为纳秒脉冲。
- 根据权利要求1所述的协同脉冲发生电路,还包括:触发单元和与所述触发单元电连接的至少一对电极,其中,所述触发单元分别与所述第一脉冲发生模块和所述第二脉冲发生模块电连接,所述电极用于与负载连接;所述触发单元被配置为在被触发指令触发时导通使得第一脉冲信号和/或第二脉冲信号传输至所述电极。
- 根据权利要求1所述的协同脉冲发生电路,还包括:监测模块,配置为用于对第一脉冲信号和/或第二脉冲信号输出的电压进行监测和对所述第一脉冲信号和/或第二脉冲信号的输出电流进行监测。
- 一种协同脉冲发生装置,包括:权利要求1-12中任一项所述的协同脉冲发生电路;以及控制模块,分别与所述第一脉冲发生模块和所述第二脉冲发生模块电连接,且被配置为根据输入信息生成所述第一控制信号和所述第二控制信号,并将所述第一控制信号传输至所述第一脉冲发生模块,将所述第二控制信号传输至所述第二脉冲发生模块。
- 一种协同脉冲发生方法,用于权利要求1-12中任一项所述的协同脉冲发生电路,包括:第一脉冲发生模块所包括的n级第一脉冲发生单元接收第一电源以第一电压提供的电能并进行存储,第二脉冲发生模块所包括的m级第二脉冲发生单元接收第二电源以第二电压提供的电能并进行存储,n为大于或等于1的整数,m为大于或等于1的整数,所述第二电压大于所述第一电压;x个所述第一脉冲发生单元接收第一控制信号,且在所述第一控制信号的控制下进行放电以形成第一脉冲,x为大于或等于1且小于或等于n的整数;y个所述第二脉冲发生单元接收第二控制信号,且在所述第二控制信号的控制下进行放电以形成第二脉冲,y为大于或等于1且小于或等于m的整数;以及将所述第一脉冲和/或所述第二脉冲施加至负载;其中,所述第二脉冲的宽度小于所述第一脉冲的宽度。
- 根据权利要求14所述的协同脉冲发生方法,其中,所述第二脉冲发生单元接收所述第二控制信号的时间与所述第一脉冲发生单元接收所述第一控制信号的时间不同。
- 根据权利要求14所述的协同脉冲发生方法,其中,所述第一脉冲发生单元包括第一存储单元、第一开关单元以及第一截止单元,所述第一截止单元仅允许电流由所述第一电源流向所述第一脉冲发生单元,或者由本级所述第一脉冲发生单元流向下一级所述第一脉冲发生单元;x个所述第一脉冲发生单元接收第一控制信号,且在所述第一控制信 号的控制下进行放电以形成第一脉冲,包括:x个所述第一开关单元接收所述第一控制信号且在所述第一控制信号的控制下导通,以使与接收到所述第一控制信号的所述第一开关单元同级的x个所述第一存储单元进行串联并进行放电以形成所述第一脉冲;所述第二脉冲发生单元包括第二存储单元、第二开关单元以及第二截止单元,所述第二截止单元仅允许电流由所述第二电源流向所述第二脉冲发生单元,或者由本级所述第二脉冲发生单元流向下一级所述第二脉冲发生单元;所述y个所述第二脉冲发生单元接收第二控制信号,且在所述第二控制信号的控制下进行放电以形成第二脉冲,包括:y个所述第二开关单元接收到所述第二控制信号且在所述第二控制信号的控制下导通,以使与接收到所述第二控制信号的所述第二开关单元同级的y个第二存储单元进行串联并进行放电以形成所述第二脉冲。
- 根据权利要求16所述的协同脉冲发生方法,其中,所述第一脉冲发生模块所包括的n级第一脉冲发生单元接收第一电源以第一电压提供的电能并进行存储,包括:各所述第一开关单元在接收到第三控制信号时断开,以使各级所述第一存储单元并联至所述第一电源而接收到所述第一电源提供的电能并进行存储;所述第二脉冲发生模块所包括的m级第二脉冲发生单元接收第二电源以第二电压提高的电能并进行存储,包括:各所述第二开关单元在接收到第四控制信号时断开,以使各级所述第二存储单元并联至所述第二电源而接收到所述第二电源提供的电能并进行存储。
- 根据权利要求14所述的协同脉冲发生方法,其中,所述第一脉冲为毫秒脉冲或微秒脉冲;以及所述第二脉冲为纳秒脉冲。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020247003923A KR20240029069A (ko) | 2021-08-11 | 2022-08-11 | 시너지 펄스 발생 회로, 발생 장치 및 이의 발생 방법 |
EP22855500.9A EP4366166A1 (en) | 2021-08-11 | 2022-08-11 | Synergistic pulse generation circuit, generation apparatus, and generation method therefor |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110921262.1A CN113616312A (zh) | 2021-08-11 | 2021-08-11 | 协同脉冲发生装置、系统及发生方法 |
CN202110921259.X | 2021-08-11 | ||
CN202110921262.1 | 2021-08-11 | ||
CN202110921259.XA CN113824431A (zh) | 2021-08-11 | 2021-08-11 | 协同脉冲发生电路、发生装置及其发生方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023016520A1 true WO2023016520A1 (zh) | 2023-02-16 |
Family
ID=85199836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2022/111828 WO2023016520A1 (zh) | 2021-08-11 | 2022-08-11 | 协同脉冲发生电路、发生装置及其发生方法 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4366166A1 (zh) |
KR (1) | KR20240029069A (zh) |
WO (1) | WO2023016520A1 (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006135947A (ja) * | 2004-10-05 | 2006-05-25 | Kumamoto Univ | パルス発生回路、パルス発生装置およびパルス発生方法 |
CN103446667A (zh) * | 2012-05-30 | 2013-12-18 | 张涛 | 全时段高压陡脉冲癌症治疗装置及方法 |
CN110071707A (zh) * | 2019-04-17 | 2019-07-30 | 重庆大学 | 协同脉冲信号发生装置 |
CN211300301U (zh) * | 2019-11-25 | 2020-08-21 | 杭州睿笛生物科技有限公司 | 一种高压复合电脉冲调制电路及消融设备 |
CN112540221A (zh) * | 2020-11-18 | 2021-03-23 | 杭州维那泰克医疗科技有限责任公司 | 脉冲电压的发生方法、检测方法及对应的装置 |
CN113616312A (zh) * | 2021-08-11 | 2021-11-09 | 杭州维纳安可医疗科技有限责任公司 | 协同脉冲发生装置、系统及发生方法 |
CN113648053A (zh) * | 2021-09-01 | 2021-11-16 | 杭州维纳安可医疗科技有限责任公司 | 用于脉冲消融治疗的脉冲监控方法、装置及设备 |
CN113824431A (zh) * | 2021-08-11 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | 协同脉冲发生电路、发生装置及其发生方法 |
CN114362725A (zh) * | 2021-12-31 | 2022-04-15 | 杭州维纳安可医疗科技有限责任公司 | 不可逆电穿孔装置及其控制方法、存储介质 |
-
2022
- 2022-08-11 EP EP22855500.9A patent/EP4366166A1/en active Pending
- 2022-08-11 KR KR1020247003923A patent/KR20240029069A/ko unknown
- 2022-08-11 WO PCT/CN2022/111828 patent/WO2023016520A1/zh active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006135947A (ja) * | 2004-10-05 | 2006-05-25 | Kumamoto Univ | パルス発生回路、パルス発生装置およびパルス発生方法 |
CN103446667A (zh) * | 2012-05-30 | 2013-12-18 | 张涛 | 全时段高压陡脉冲癌症治疗装置及方法 |
CN110071707A (zh) * | 2019-04-17 | 2019-07-30 | 重庆大学 | 协同脉冲信号发生装置 |
CN211300301U (zh) * | 2019-11-25 | 2020-08-21 | 杭州睿笛生物科技有限公司 | 一种高压复合电脉冲调制电路及消融设备 |
CN112540221A (zh) * | 2020-11-18 | 2021-03-23 | 杭州维那泰克医疗科技有限责任公司 | 脉冲电压的发生方法、检测方法及对应的装置 |
CN113616312A (zh) * | 2021-08-11 | 2021-11-09 | 杭州维纳安可医疗科技有限责任公司 | 协同脉冲发生装置、系统及发生方法 |
CN113824431A (zh) * | 2021-08-11 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | 协同脉冲发生电路、发生装置及其发生方法 |
CN113648053A (zh) * | 2021-09-01 | 2021-11-16 | 杭州维纳安可医疗科技有限责任公司 | 用于脉冲消融治疗的脉冲监控方法、装置及设备 |
CN114362725A (zh) * | 2021-12-31 | 2022-04-15 | 杭州维纳安可医疗科技有限责任公司 | 不可逆电穿孔装置及其控制方法、存储介质 |
Also Published As
Publication number | Publication date |
---|---|
EP4366166A1 (en) | 2024-05-08 |
KR20240029069A (ko) | 2024-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107040244B (zh) | 基于frspt和反谐振网络的全固态高电压微秒脉冲发生器 | |
WO2019144037A1 (en) | Resonant pulsed voltage multiplier and capacitor charger | |
Yao et al. | A novel configuration of modular bipolar pulse generator topology based on Marx generator with double power charging | |
JP6031532B2 (ja) | 電圧交番パルスの出力に用いられるデバイス及び方法 | |
JP2015524239A (ja) | 電気機械エネルギー変換のための充電/放電回路および電気機械エネルギー変換システム | |
US20120038224A1 (en) | Circuit arrangement and method for supplying a high-power functional component with high-voltage pulses | |
CN108365743A (zh) | 一种磁隔离型带负电压偏置的多路同步触发电路 | |
Ma et al. | MHz nanosecond rectangular pulse generator with high voltage gain and multimode | |
WO2023016520A1 (zh) | 协同脉冲发生电路、发生装置及其发生方法 | |
CN108462482B (zh) | 一种产生双极性高压脉冲的装置和方法 | |
CN102570441A (zh) | 高压放电模块以及具备该模块的高压放电装置 | |
CN110858755B (zh) | 用于控制电流脉冲的调制器及其方法 | |
CN204886900U (zh) | 一种基于Marx电路的空间对称型高压纳秒脉冲源 | |
Gao et al. | All solid-state Marx modulator with bipolar high-voltage fast narrow pulses output | |
CN113824431A (zh) | 协同脉冲发生电路、发生装置及其发生方法 | |
CN115208229A (zh) | 一种电感储能脉冲发生器 | |
CN112532212A (zh) | 脉冲发生电路、脉冲发生装置及方法 | |
CN114081614A (zh) | 脉冲电场组织消融装置 | |
Jiang et al. | A Solid-State Pulse Adder for High-Voltage Short Pulses and Low-Voltage Long Pulses | |
CN111313867A (zh) | 一种全固态百纳秒方波脉冲发生器 | |
CN109995224A (zh) | 一种单外部驱动的mosfet管串联高压模块 | |
WO2023016523A1 (zh) | 协同脉冲发生装置、设备及发生方法 | |
CN115967374B (zh) | 一种基于全固态开关混联的高压脉冲发生装置 | |
Chaugule et al. | Design and hardware implementation of two stage solid state bipolar Marx generator | |
Dong et al. | Design of bipolar pulse generator topology based on Marx supplied by double power |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22855500 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022855500 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20247003923 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020247003923 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18681034 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2022855500 Country of ref document: EP Effective date: 20240129 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |