CN219354067U - Control system for shock wave device - Google Patents
Control system for shock wave device Download PDFInfo
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- CN219354067U CN219354067U CN202222613809.4U CN202222613809U CN219354067U CN 219354067 U CN219354067 U CN 219354067U CN 202222613809 U CN202222613809 U CN 202222613809U CN 219354067 U CN219354067 U CN 219354067U
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Abstract
The application discloses a control system for a shock wave device, comprising: the charging system comprises a charging trigger module, a charging control module, a charging module and a control feedback module; the charging control module is electrically connected with the charging module; the charging module comprises a high-frequency conversion module and a discharging energy storage module which are connected in series, and the signal input end of the high-frequency conversion module is electrically connected with the output end of the charging control module; the control feedback module is respectively and electrically connected with the charging control module and the discharging energy storage module; the output end of the high-frequency conversion module is electrically connected with the discharge energy storage module; the output end of the charging trigger module is electrically connected with the discharging energy storage module, the output end of the discharging energy storage module is electrically connected with the shock wave generator, and a charging trigger signal output by the charging trigger module can be transmitted to the discharging energy storage module. By utilizing the technical scheme, the charging frequency and dielectric strength of the shock wave device can be improved, the leakage current of the shock wave device can be reduced, and the treatment safety can be improved.
Description
Technical Field
The present application relates to the technical field of shockwave medical devices, and in particular to a control system for a shockwave device.
Background
The shock wave device can be used for treating heart valves and/or vascular calcification, and the shock wave device for treating heart valves and/or vascular calcification is an active medical instrument directly applied to heart, however, in order to ensure efficient operation of the shock wave device, the operating voltage of the shock wave device is often regulated to be higher, for example, the operating voltage of the shock wave device is regulated to be 10KV, therefore, for the shock wave device with higher operating voltage, a higher safety requirement is often required, however, a power isolation system used by the traditional external shock wave device cannot enable the shock wave device to meet the allowed safety performance requirement, and is easy to cause injury to a patient.
Meanwhile, the existing shock wave generating device applied to heart valves and vascular calcification is long in charging time and low in energy storage voltage, basically only can output pulse high voltage of about 3KV and frequency of 1Hz, and therefore the device is only suitable for the condition that an electrode is relatively close to a position to be impacted, when the electrode is relatively far from the position to be impacted, the energy of shock wave can be rapidly attenuated in transmission, meanwhile, the frequency of the existing shock wave generating device is not adjustable, and the existing shock wave generating device cannot be applied to different scenes. In addition, in the treatment process of heart valve and/or vascular calcification by using the shock wave device, the shock wave emitter entering the human body needs to be electrically connected with the shock wave generator outside the body, and the shock wave emitter receives the voltage or current emitted by the shock wave generator outside the body and releases the shock wave, however, the existing in-vivo shock wave device cannot detect the energy output condition of the shock wave emitter, so that the safety and the controllability are poor.
Accordingly, there is a need for an improved control system that addresses the above-described problems of the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiments of the present application provide a technical solution for a control system of a shock wave device, where the technical solution is as follows:
the present application provides a control system for a shock wave device, comprising: the charging system comprises a charging trigger module, a charging control module, a charging module and a control feedback module;
the charging control module is electrically connected with the charging module;
the charging module comprises a high-frequency conversion module and a discharging energy storage module which are connected in series, and the signal input end of the high-frequency conversion module is electrically connected with the output end of the charging control module;
the control feedback module is respectively and electrically connected with the charging control module and the discharging energy storage module;
the power input end of the high-frequency conversion module is electrically connected with a power supply, the output end of the high-frequency conversion module is electrically connected with the discharge energy storage module, and the high-frequency conversion module can charge the discharge energy storage module;
the output end of the charging trigger module is electrically connected with the discharging energy storage module, the output end of the discharging energy storage module is electrically connected with the shock wave generator, and a charging trigger signal output by the charging trigger module can be transmitted to the discharging energy storage module so that the discharging energy storage module and the shock wave generator are in a conducting state.
Further, the charging control module comprises a power controller and at least two paths of parallel electric isolation circuits; the input end of the power controller can receive an initial charging modulation signal, the output end of the power controller is connected with the input end of the electric isolation circuit, and the output end of the electric isolation circuit is electrically connected with the signal input end of the high-frequency conversion module.
Further, each electrical isolation circuit in the at least two paths of electrical isolation circuits comprises two paths of parallel electrical isolation branches;
the high-frequency conversion module comprises at least four signal input ends, and the electric isolation branches are arranged in one-to-one correspondence with the signal input ends.
Further, the charging module comprises a first voltage transformation device, the high-frequency conversion module is connected with the discharging energy storage module through the first voltage transformation device, and the input end voltage of the first voltage transformation device is smaller than the output end voltage of the first voltage transformation device.
Further, the electrical isolation branch comprises a first isolation subunit, a switching circuit and an independent power supply;
the switching circuit is connected with the power controller through the first isolation subunit, the power supply connecting end of the switching circuit is connected with the independent power supply, and the output end of the switching circuit is connected with the signal input end of the high-frequency conversion module.
Further, the charging trigger module comprises an optocoupler and a pulse switch circuit;
the optocoupler is connected with the pulse switch circuit in series, and the pulse switch circuit is connected with the discharge energy storage module.
Further, the discharging energy storage module comprises a charging unit, a charging capacitor and a discharging control module;
the input end of the charging unit is electrically connected with the high-frequency conversion module, the output end of the charging unit is electrically connected with the charging end of the charging capacitor, and the discharging end of the charging capacitor is electrically connected with the shock wave generator through the discharging control module.
Further, the control feedback module includes: the device comprises a transmitter sensing device, a transmitter monitoring module and a trigger signal monitoring module;
the emitter sensing device is arranged opposite to the shock wave emitter, the shock wave emitter is electrically connected with the shock wave generator, and the emitter monitoring module is electrically connected with the emitter sensing device and the discharge energy storage module respectively;
the trigger signal monitoring module is electrically connected with the charging capacitor.
Further, the control feedback module further comprises a voltage adjusting module, an adjusting voltage monitoring module, a charging voltage monitoring module, a first voltage comparing module and a second voltage comparing module;
The first voltage comparison module is electrically connected with the regulating voltage monitoring module and the charging voltage monitoring module respectively;
the voltage regulation module is electrically connected with the voltage regulation module, and the charging voltage monitoring module is connected with the charging capacitor.
Further, the control feedback module further comprises a generator temperature monitoring module and a generator sensing device arranged on the shock wave generator;
the generator sensing device is electrically connected with the generator temperature monitoring module.
The control system for the shock wave device has the following technical effects:
according to the method, the charging trigger module, the charging control module, the charging module and the control feedback module are arranged to realize safe charging of the shock wave device, and the charging control module is electrically connected with the charging module; the charging module comprises a high-frequency conversion module and a discharging energy storage module which are connected in series, and the control feedback module is respectively and electrically connected with the charging control module and the discharging energy storage module; the signal input end of the high-frequency conversion module is electrically connected with the output end of the charging control module; the power input end of the high-frequency conversion module is electrically connected with the power supply, and the output end of the high-frequency conversion module is electrically connected with the discharge energy storage module; the output end of the charging trigger module is electrically connected with the charging module, the output end of the charging module is electrically connected with the shock wave generator, and a charging trigger signal output by the charging trigger module can be transmitted to the charging module so as to enable the charging module and the shock wave generator to be in a conducting state. By utilizing the technical scheme provided by the application, the charging frequency and dielectric strength of the shock wave device can be greatly improved, the leakage current of the shock wave device is reduced, and the treatment safety is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a control system for a shock wave device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a charge control module according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a discharge control module according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a shock wave device according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a partial structure of a shock wave device according to an embodiment of the present disclosure;
FIG. 6 is a cross-sectional view of a balloon in a shock wave device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a control feedback module according to an embodiment of the present application;
wherein, the reference numerals correspond to: a 100-charging trigger module; 101-a second rectification module; 102-an optocoupler; 103-thyristors; 104-a second transformer; 105-pulse switching circuit; 200-a charge control module; 201-a power controller; 202-an electrically isolated branch; 2021-a first isolator subunit; 2022-switching circuitry; 2023-independent power supply; 300-a charging module; 301-a high frequency conversion module; 3012-a high-frequency conversion unit; 302-a discharge energy storage module; 3021-a charging unit; 3022-charging a capacitor; 3023-a discharge control module; 30231-a signal isolation circuit; 30232-electrically isolating the subcircuit; 30233-high voltage isolation circuitry; 303-a first voltage transformation device; 304-a first rectifying module; 400-power supply; 500-a shock wave generator; 600-a first controller; 700-isolating transformer device; 800-a control feedback module; 10-positioning the inner tube; a 20-shock wave emitter; 30-transmitter sensing means; 40-balloon; 50-a regulated voltage monitoring module; a 60-charge voltage monitoring module; 70-a first voltage comparison module; 80-a voltage regulation module; a 90-second voltage comparison module; 111-a generator temperature monitoring module; 112-generator sensing means; 113-a transmitter monitoring module; 114-a trigger signal monitoring module; 115-a start signal monitoring module; 116-threshold voltage adjustment module.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Referring to fig. 1 to 7, the following describes the technical solution of the present application in detail with reference to fig. 1 to 7.
The embodiment of the application provides a control system for a shock wave device, which specifically comprises: the charging control module 200 is electrically connected with the charging module 300; the charging module 300 comprises a high-frequency conversion module 301 and a discharge energy storage module 302 which are connected in series, and the control feedback module 800 is respectively electrically connected with the charging control module 200 and the discharge energy storage module 302; the signal input end of the high-frequency conversion module 301 is electrically connected with the output end of the charging control module 200; the power input end of the high-frequency conversion module 301 is electrically connected with the power supply 400, the output end of the high-frequency conversion module 301 is electrically connected with the discharge energy storage module 302, and the high-frequency conversion module 301 can charge the discharge energy storage module 302; the output end of the charging trigger module 100 is electrically connected with the discharging energy storage module 302, the output end of the discharging energy storage module 302 is electrically connected with the shock wave generator 500, and the charging trigger signal output by the charging trigger module 100 can be transmitted to the discharging energy storage module 302, so that the discharging energy storage module 302 and the shock wave generator 500 are in a conducting state.
In this embodiment, the charging trigger module 100 is configured to send a charging trigger signal to the discharging energy storage module 302, so that the discharging energy storage module 302 charges the shock wave generator 500 when receiving the charging trigger signal, and specifically, the charging trigger module 100 may receive a preset trigger signal output by the power controller 201, where, when the charging trigger module 100 receives the preset trigger signal, the charging trigger module 100 generates the charging trigger signal and transmits the charging trigger signal to the discharging energy storage module 302, so that the discharging energy storage module 302 is in a conducting state when receiving the charging trigger signal, and further, the discharging energy storage module 302 provides energy to the shock wave generator 500.
In an embodiment, the high frequency conversion module 301 is configured to convert a direct current into a high frequency current, and send the high frequency current to the discharge energy storage module 302, where an output value of the high frequency conversion module 301 is determined according to a target control signal output by the charge control module 200, so as to output the high frequency current to the discharge energy storage module 302. Specifically, when the high-frequency conversion module 301 receives the charge control signal output by the charge control module 200 and is turned on, and when the high-frequency conversion module 301 receives the charge control signal and is turned on, the high-frequency conversion module 301 performs frequency-raising processing on the charge control signal to obtain at least two paths of charge control sub-signals after frequency raising, and charges the shock wave generator 500 through the discharge energy storage module 302 based on the charge control sub-signals, so that the shock wave generator 500 works at high voltage and high frequency, and further, the shock wave generator 500 releases more times of shock wave energy in unit time.
Specifically, the high-frequency conversion module 301 includes a plurality of high-frequency conversion units 3012, and the high-frequency conversion units 3012 are all connected to the power controller 201 through an electrical isolation circuit, where the power controller 201 controls on-off of the high-frequency conversion units 3012 through the electrical isolation circuit, so as to change a charging frequency of charging the discharge energy storage module 302, and further improve a charging speed of the discharge energy storage module 302.
Further, the control feedback module 800 is configured to monitor and feedback the energy output of the shock wave generator 500 in real time, so as to control the charging unit 3021 to charge the shock wave generator 500 through the charging capacitor 3022 under the condition that the current discharge of all shock wave generators 500 is effective, and further control the charging state of the shock wave generator 500 in time, thereby significantly improving the system safety and controllability.
Meanwhile, the charging trigger module 100, the charging control module 200, the charging module 300 and the control feedback module 800 are arranged, so that the safe charging process of the shock wave generator 500 is realized, the charging frequency and the dielectric strength of the shock wave device can be greatly improved, the leakage current of the shock wave device is reduced, and the safety of treatment is improved.
In an alternative embodiment, the charging module 300 includes a first voltage transformation device 303, and the high frequency conversion module 301 is connected to the discharge energy storage module 302 through the first voltage transformation device 303, where the input voltage of the first voltage transformation device 303 is less than the output voltage of the first voltage transformation device 303.
In an embodiment, the charging module 300 further includes a first rectifying module 304, where an output end of the first rectifying module 304 is connected to an input end of the high-frequency conversion module 301, that is, the first rectifying module 304, the high-frequency conversion module 301, the first voltage transformation device 303 and the discharge energy storage module 302 are sequentially connected in series, and the present embodiment provides electric energy to the shock wave generator 500 through the sequentially connected first rectifying circuit, high-frequency conversion circuit and discharge circuit, so that the shock wave generator 500 releases shock waves according to a preset high frequency, and it can ensure that the leakage current control of the shock wave generator 500 in the high-frequency power supply process is within a safe range, and greatly improve the dielectric strength of the electrical isolation system, where the discharge energy storage module 302 is used for charging the shock wave generator 500.
Specifically, by setting the first rectifying module 304, the high-frequency converting module 301, the first voltage transformation device 303 and the discharge energy storage module 302, the charging speed of the discharge energy storage module 302 is improved, meanwhile, the leakage current of the shock wave generator 500 in a normal working state is controlled to be 0.002-0.006 milliamp, and the dielectric strength of the control system reaches 15KV, so that the safety performance requirement allowed by the shock wave generator 500 with the electrical safety classification of CF is met.
In one embodiment, the input of the first rectifying module 304 is an ac current of 110V-440V, preferably 150V-300V, and illustratively 170V, 200V or 220V, and the first rectifying module 304 converts the ac current into a dc current for charging the high frequency converting module 301.
In an alternative embodiment, charge control module 200 includes a power controller 201 and at least two parallel electrical isolation circuits; an input of the power controller 201 is capable of receiving an initial charge modulation signal, and an output of the power controller 201 is connected to an input of an electrical isolation circuit, the output of which is electrically connected to a signal input of the high frequency conversion module 301.
In this embodiment of the present application, the power controller 201 is configured to perform an up-conversion process on an initial charge modulation signal, where a signal frequency of the charge control signal is higher than the initial charge modulation signal.
Specifically, the power controller 201 is a PWM controller, and the initial charge modulation signal is a signal sent by the microcontroller; and the PWM controller is used for carrying out frequency-raising treatment on the initial charging modulation signal to obtain a charging control signal so as to greatly enhance the capacity of the charging system for driving a load. In one embodiment, the PWM controller may output at least two different phase charging control signals, which may be 180 ° out of phase, and the charging control signals may be square wave signals.
In this embodiment, by setting at least two paths of electrical isolation circuits, the frequency of the charging control module 200 sending the charging control signal to the charging module 300 is increased, so as to increase the charging frequency of the charging module 300 to the shock wave generator 500, and further increase the shock wave generation frequency. Specifically, the primary frequency amplification is performed on the initial charge modulation signal by the power controller 201 to obtain a charge control signal, and the secondary frequency amplification is performed on the charge control signal by at least two paths of electrical isolation circuits to obtain a target control signal, that is, the signal is sequentially subjected to multiple frequency up-conversion, so that the high-frequency charging on the shock wave generator 500 can be realized in this embodiment.
In an alternative embodiment, each of the at least two electrical isolation circuits includes two parallel electrical isolation branches 202, where the high-frequency conversion module 301 includes at least four signal input ends, the electrical isolation branches 202 are disposed in a one-to-one correspondence with the signal input ends, and by controlling the high-frequency conversion module 301 by the plurality of electrical isolation branches 202, leakage current in the charging process of the shock wave generator 500 is effectively reduced, so as to ensure that the shock wave generator 500 can be directly applied to the heart, and greatly improve dielectric strength of the control system, ensure safety of the whole control system under high working voltage, and ensure that the shock wave generator 500 does not negatively affect a human body.
In an alternative embodiment, the electrically isolated branch 202 includes a first isolation subunit 2021, a switching circuit 2022, and an independent power supply 2023; the switch circuit 2022 is connected to the power controller 201 through the first isolation subunit 2021, a power supply connection end of the switch circuit 2022 is connected to the independent power supply 2023, and an output end of the switch circuit 2022 is connected to a signal input end of the high-frequency conversion module 301, so that leakage current released by the first isolation subunit 2021 can be effectively reduced, and effective control over the high-frequency conversion module 301 is ensured; if an independent power supply 2023 is used to supply power to the multiple electrical isolation branches 202 simultaneously, the leakage current of the electrical isolation circuit is greatly increased, so that the stability of the charging system in the charging process cannot be ensured, and the safety performance of the shock wave generator 500 when releasing the shock waves is affected.
Specifically, the switch circuit 2022 is configured to isolate the first isolation subunit 2021 from the independent power supply 2023, and when the first isolation subunit 2021 fails, the current switch circuit 2022 is cut off in time, so as to avoid affecting the independent power supply 2023 or other electrically isolated branches 202; when the independent power supply 2023 fails, the current switching circuit 2022 is timely cut off, so that the first isolation subunit 2021 or other electrical isolation branches 202 are prevented from being affected; meanwhile, an independent power supply 2023 is arranged in each electrical isolation branch 202, so that the respective work of the electrical isolation branches 202 can be guaranteed not to be affected mutually, the running stability of the charging system is guaranteed, the switch circuit 2022 is also used for electrically isolating the rear end circuit, the interference of high voltage and high frequency to the front end is avoided, and the running stability of the charging system is further guaranteed.
Illustratively, when two parallel electrical isolation branches 202 in the electrical isolation circuit are turned on under the control of the switch circuit 2022, a corresponding signal receiving circuit in the high-frequency conversion module 301 electrically connected thereto is turned on to generate a target control signal to directly control charging of the shock wave generator 500; further, the switching circuit 2022 can control the switching of the signal receiving circuit in the high-frequency conversion module 301, thereby adjusting the charging frequency of the shock wave generator 500 and improving the suitability of the shock wave generator 500.
Further, the first isolation subunit 2021 includes an optocoupler 102, a mos transistor and a triode, the power supply 400 used by the components of this portion is an independent power supply 2023, and the output signal of the power generator is electrically isolated from the rear end thereof by the optocoupler 102, the mos transistor and the triode, so that the interference of the high-voltage and high-frequency portion to the front end is avoided, and the running stability of the charging system is improved.
In an alternative embodiment, the charge triggering module 100 includes an optocoupler 102 and a pulse switching circuit 105; the optocoupler 102 is connected in series with the pulse switch circuit 105, and the pulse switch circuit 105 is connected with the discharge energy storage module 302.
In this embodiment, the optocoupler 102 is configured to control the pulse switch circuit 105 to be turned on based on the received preset trigger signal, so that the discharge energy storage module 302 provides the electric energy to the shock wave generator 500.
Specifically, the pulse switch circuit 105 is connected to the discharge energy storage module 302, and when the pulse switch circuit 105 is turned on, the discharge energy storage module 302 is turned on with the shock wave generator 500, so that the discharge energy storage module 302 provides electric energy to the shock wave generator 500.
In another embodiment, the charging trigger module 100 further includes a second rectifying module 101, a thyristor 103, and a second voltage transformation device 104, where the optocoupler 102 is connected to the power supply 400 through the second rectifying module 101, and the optocoupler 102 is sequentially connected to the thyristor 103, the second voltage transformation device 104, and the pulse switch circuit 105.
In this embodiment, the second rectifying module 101 is configured to convert an ac current output by the power supply 400 into a dc circuit, so as to provide energy for the optocoupler 102, when the optocoupler 102 receives a preset trigger signal, the optocoupler 102 is turned on to enable the thyristor 103 to be in a conductive state, and then the second voltage transformation device 104 is driven to generate a charging signal, and the pulse switch circuit 105 is turned on when the pulse switch circuit 105 receives the charging signal, at this time, the discharge energy storage module 302 is communicated with the shock wave generator 500, so that the discharge energy storage module 302 charges the shock wave generator 500.
It should be noted that, the first rectifying module 304 and the second rectifying module 101 are separately powered to avoid interference between the first rectifying module 304 and the second rectifying module 101 and influence the safety of the whole electrical isolation system, specifically, the first rectifying module 304 is used to convert ac current into dc current, further boost and boost the dc current so as to charge the discharge energy storage module 302, in the process of charging the discharge energy storage module 302, in a high-frequency and high-voltage state, more interference signals are easily generated, and since the electrode in the far-end shock wave generator 500 is located in the balloon 40, the balloon 40 is filled with physiological saline, and the balloon 40 has no insulating capability, so that the isolation transformer 700 is powered in two ways to reduce the leakage current when the shock wave generator 500 releases shock waves, for example, the leakage current when the shock wave generator 500 measured by the isolation transformer 700 releases shock waves is about 30-50 μa, and the leakage current after the isolation transformer 700 is isolated can be reduced to 3-6 μa, so that the safety performance of the shock wave generator 500 is remarkably reduced when the shock wave generator releases shock waves.
In an alternative embodiment, the discharge energy storage module 302 includes a charging unit 3021, a charging capacitor 3022, and a discharge control module 3023; the input end of the charging unit 3021 is electrically connected to the high frequency conversion module 301, the output end of the charging unit 3021 is electrically connected to the charging end of the charging capacitor 3022, and the discharging end of the charging capacitor 3022 is electrically connected to the shock wave generator 500 through the discharging control module 3023.
In an alternative embodiment, the system further comprises a shock wave emitter 20, wherein an input end of the shock wave emitter 20 is connected with an output end of the shock wave generator 500, and a plurality of electrodes in the shock wave emitter 20 are connected with a discharge control module 3023 through the shock wave generator 500, wherein the discharge control module 3023 is used for controlling the shock wave emitter 20 to generate shock waves.
It is to be noted that the shock wave device includes a shock wave generator 500 and a shock wave emitter 20.
Specifically, the discharge control module 3023 is configured to control charging of the shock wave emitter 20 so that at least one electrode pair in the shock wave emitter 20 releases shock wave energy, where the electrode pair is formed by at least two electrodes, so as to form shock waves with different energy values, so that the release position and the treatment mode of the shock waves can be accurately controlled, and different treatment modes are configured for different areas, so that the treatment effect is improved.
In an embodiment, the discharge control module 3023 includes at least two discharge control units, where the at least two discharge control units are connected in parallel, and specifically, the discharge control unit includes a signal isolation circuit 30231, an electrical isolation sub-circuit 30232, and a high voltage isolation circuit 30233, where the signal isolation circuit 30231, the electrical isolation sub-circuit 30232, and the high voltage isolation circuit 30233 are sequentially connected in series.
In this embodiment, the input end of the discharging control unit is connected to the first controller 600, where the first controller 600 is an MCU controller, so as to receive the charging control signal sent by the first controller 600, and the discharging control unit controls the shockwave emitter 20 to generate shockwaves based on the charging control signal.
Specifically, the signal isolation circuit 30231 may include, but is not limited to, at least one of an optocoupler 102, a diode, a triode, and a low-voltage relay, and by disposing the signal isolation circuit 30231 between the first controller 600 and the electrical isolation sub-circuit 30232, isolation between the first controller 600 and the electrical isolation sub-circuit 30232 is achieved, so that leakage current of the whole electrical isolation system is further reduced, and stability of an output signal of the first controller 600 may be improved.
The electrical isolation subcircuit 30232 may include, but is not limited to, at least one of a diode, a high voltage relay, a thyristor 103, and a field effect transistor, where the electrical isolation subcircuit 30232 has an effect of enhancing isolation, and specifically, isolates the signal isolation circuit 30231 from the high voltage isolation circuit 30233 to further reduce leakage current of the overall electrical isolation system and improve stability of the overall electrical isolation system.
The high-voltage isolation circuit 30233 comprises a high-voltage relay, and since the output end of the high-voltage isolation circuit 30233 is connected with the shock wave generator 500, the high-voltage isolation circuit 30233 is used for isolating the shock wave generator 500 with the discharge voltage of more than 10KV from the charging capacitor 3022, so that the interference of spike signals generated by the shock wave generator 500 during high-voltage operation on an electrical isolation system is reduced as much as possible, and the normal operation of the electrical isolation system is ensured.
It should be noted that the shock waves generated by the shock wave generator 500 may include, but are not limited to, applications in the treatment of heart valve calcification and applications in the treatment of intravascular calcification.
In an alternative embodiment, the control feedback module 800 includes: the transmitter sensing device 30, the transmitter monitoring module 113 and the trigger signal monitoring module 114, wherein the transmitter sensing device 30 is arranged opposite to the shock wave transmitter 20, the shock wave transmitter 20 is electrically connected with the shock wave generator 500, and the transmitter monitoring module 113 is electrically connected with the transmitter sensing device 30 and the shock wave generator 500 respectively; the trigger signal monitoring module 114 is electrically connected to the charge capacitor 3022.
In the embodiment of the present application, the transmitter sensing device 30 is configured to collect a target state parameter of the shock wave transmitter 20 in a working state, where the target state parameter has a preset correspondence with the discharge energy of the shock wave transmitter 20; the transmitter monitoring module 113 is configured to receive the target state parameter transmitted by the transmitter sensing device 30, and output a generator negative feedback signal to the shock wave generator 500 when the target state parameter does not meet the preset discharging condition, where the generator negative feedback signal is used to instruct the shock wave generator 500 to stop charging.
Specifically, during the discharging process of the shock wave emitter 20, the target state parameter of the shock wave emitter 20 is used to indicate the discharging energy of the shock wave emitter 20 in the current working state, and the emitter sensing device 30 corresponding to the shock wave emitter 20 collects the target state parameter generated by each discharging of the shock wave emitter 20 and transmits the target state parameter to the emitter monitoring module 113; the emitter monitoring module 113 receives the target state parameters and judges whether the target state parameters meet preset discharge conditions or not, if the target state parameters do not meet the preset discharge conditions, the current discharge of the shock wave emitter 20 is invalid, and in the case that the current discharge of any shock wave emitter 20 is invalid, the emitter monitoring module 113 transmits a generator negative feedback signal to the shock wave generator 500, and the shock wave generator 500 stops charging in response to the generator negative feedback signal; if the target state parameter meets the preset discharge condition, it indicates that the current discharge of the shockwave emitter 20 is valid, and the emitter monitoring module 113 transmits a generator positive feedback signal to the shockwave generator 500 in response to the generator positive feedback signal for charging if the current discharge of all shockwave emitters 20 is valid. Specifically, meeting the preset discharge condition may be that each of the target state parameters is within a preset range of each parameter.
In one embodiment, in the event that the discharge of the shock wave emitter 20 is not effective, indicating an abnormality in the control system, the shock wave generator 500 is controlled to stop operating. Alternatively, in the event that the discharge of the shock wave emitter 20 is not effective, a fault warning message is generated and displayed. Specifically, the fault information is displayed by the display device of the shock wave generator 500, or the fault lamp of the shock wave generator 500 blinks.
According to the method, the transmitter induction device 30 is arranged on the shock wave transmitter 20 and is electrically connected with the transmitter monitoring module 113, the target state parameter of the shock wave transmitter 20 in the working state can be monitored in real time, whether the generator negative feedback signal is output to the shock wave generator 500 or not is judged based on the target state parameter and the preset discharging condition, so that the real-time monitoring and feedback of the energy output of the shock wave generator 500 are realized, the charging state of the shock wave generator 500 is controlled in time, and the safety and controllability of a system are remarkably improved.
In an alternative embodiment, the method further comprises: the device comprises a balloon 40 and a positioning inner tube 10, wherein a shock wave emitter 20 and an emitter sensing device 30 are arranged in the balloon 40, the positioning inner tube 10 stretches into the balloon 40, the shock wave emitter 20 is fixedly connected with a part of a catheter of the positioning inner tube 10 stretching into the balloon 40, and the emitter sensing device 30 is fixedly connected with a part of a catheter of the positioning inner tube 10 stretching into the balloon 40.
Wherein, the fixed connection mode of the shock wave transmitter 20 and the part of the inner positioning tube 10 extending into the balloon 40 is gluing, and the fixed connection mode of the transmitter sensing device 30 and the part of the inner positioning tube 10 extending into the balloon 40 is gluing. The distance between the detection point of the transmitter sensing device 30 and the discharge point of the shock wave transmitter 20 in the axial direction of the positioning inner tube 10 was 4mm. In this way, not only can the target state parameters generated by the shock wave transmitter 20 be accurately acquired, but also the damage of the high-energy shock wave to the transmitter sensing device 30 can be prevented, thereby prolonging the service life of the transmitter sensing device 30.
In an alternative embodiment, the control feedback module 800 further includes: a voltage regulation module 80, a regulation voltage monitoring module 50, a charging voltage monitoring module 60, a first voltage comparison module 70, and a second voltage comparison module 90.
The first voltage comparing module 70 is electrically connected to the adjusting voltage monitoring module 50 and the charging voltage monitoring module 60, the adjusting voltage monitoring module 50 is electrically connected to the voltage adjusting module 80, the charging voltage monitoring module 60 is connected to the charging capacitor 3022, and the second voltage comparing module 90 is electrically connected to the adjusting voltage monitoring module 50.
Specifically, the voltage regulation monitoring module 50 is configured to detect a voltage setting signal output by the voltage regulation module 80, and transmit the voltage setting signal to the first voltage comparison module 70; the charging voltage monitoring module 60 is configured to detect a current voltage signal of the charging capacitor 3022 and transmit the current voltage signal to the first voltage comparing module 70; the first voltage comparing module 70 is configured to perform a comparison process on the voltage setting signal and the current voltage signal to generate a voltage comparison feedback signal, where the voltage comparison feedback signal is used to indicate an on-off state between the charging unit 3021 and the charging capacitor 3022; the second voltage comparing module 90 is configured to receive the voltage setting signal transmitted by the voltage monitoring module 50, and compare the voltage setting signal with an output voltage threshold to generate an output voltage feedback signal, where the output voltage feedback signal is used to indicate an on-off state between the charging unit 3021 and the charging capacitor 3022.
Further, the control feedback module 800 further includes a threshold voltage adjustment module 116, and the threshold voltage adjustment module 116 is electrically connected to the second voltage comparison module 90. Specifically, in response to the control signal from the shock wave generator 500, the threshold voltage adjustment module 116 adjusts and outputs a voltage threshold.
Further, the second voltage comparing module 90 receives the voltage setting signal transmitted by the voltage monitoring module 50 and the output voltage threshold transmitted by the threshold voltage adjusting module 116, and in the case that the voltage setting signal is smaller than the output voltage threshold, the second voltage comparing module 90 generates a first output voltage feedback signal, where the first output voltage feedback signal is used to instruct the charging unit 3021 to charge the charging capacitor 3022; in the case where the voltage setting signal is greater than or equal to the output voltage threshold, the second voltage comparison module 90 generates a second output voltage feedback signal for instructing the charging unit 3021 to stop charging the charging capacitance 3022. Thus, the charge and discharge safety of the control system can be further ensured.
In this embodiment, the control feedback module 800 further includes a trigger signal monitoring module 114, where the trigger signal monitoring module 114 is configured to generate a trigger feedback signal based on whether the trigger signal of the receiving generator is present, and the trigger feedback signal is configured to indicate the working state of the charging capacitor 3022.
Further, in response to closing of the foot switch or the handle switch, the second control module of the shock wave generator 500 generates a generator trigger signal. In the case that the trigger signal monitoring module 114 receives the generator trigger signal, the trigger signal monitoring module 114 generates a first trigger feedback signal, where the first trigger feedback signal is used to instruct the charging capacitor 3022 to discharge; in the case where the trigger signal monitoring module 114 does not receive the generator trigger signal, the trigger signal monitoring module 114 generates a second trigger feedback signal, which is used to instruct the charge capacitor 3022 to stop discharging.
In an alternative embodiment, the control feedback module 800 further includes: the device comprises a generator temperature monitoring module 111 and a generator sensing device 112 arranged on the shock wave generator 500, wherein the generator sensing device 112 is electrically connected with the generator temperature monitoring module 111, and specifically, the generator sensing device 112 is used for collecting the working temperature of a target component in the shock wave generator 500 and transmitting the working temperature to the generator temperature monitoring module 111; the generator temperature monitoring module 111 is configured to generate a generator temperature feedback signal based on an operating temperature and a preset operating temperature threshold, where the generator temperature feedback signal is configured to indicate an on-off state between the charging unit 3021 and the charging capacitor 3022.
Further, when the working temperature of the target component is less than or equal to the preset working temperature threshold, the generator temperature monitoring module 111 generates a generator temperature positive feedback signal, where the generator temperature positive feedback signal is used to instruct the charging unit 3021 to charge the charging capacitor 3022; in the case that the operating temperature of the target component is greater than the preset operating temperature threshold, the generator temperature monitoring module 111 generates a generator temperature negative feedback signal, where the generator temperature negative feedback signal is used to instruct the charging unit 3021 to stop charging the charging capacitor 3022.
In an alternative embodiment, the control feedback module 800 further includes: the start signal monitoring module 115, wherein the start signal monitoring module 115 is configured to receive a generator start signal, and generate a start feedback signal when the generator start signal is received, and the start feedback signal is configured to indicate an on-off state between the charging unit 3021 and the charging capacitor 3022.
Specifically, in the case where the transmitter monitoring module 113 generates the generator positive feedback signal, the first voltage comparing module 70 generates the first voltage comparing positive feedback signal, the second voltage comparing module 90 generates the first output voltage feedback signal, the generator temperature monitoring module 111 generates the generator temperature positive feedback signal, and the start signal monitoring module 115 generates the generator start signal, the charging unit 3021 charges the charging capacitor 3022, and otherwise the charging unit 3021 stops charging the charging capacitor 3022, so that not only the circuit safety of the shock wave system is increased, but also the therapeutic effect of the shock wave system can be improved.
As can be seen from the above technical solutions of the embodiments of the present application, by setting a charging trigger module, a charging control module, a charging module, and a control feedback module, the present application implements safe charging of a shock wave device, and specifically, the charging control module is electrically connected with the charging module; the charging module comprises a high-frequency conversion module and a discharging energy storage module which are connected in series, and the control feedback module is respectively and electrically connected with the charging control module and the discharging energy storage module; the signal input end of the high-frequency conversion module is electrically connected with the output end of the charging control module; the power input end of the high-frequency conversion module is electrically connected with the power supply, and the output end of the high-frequency conversion module is electrically connected with the discharge energy storage module; the output end of the charging trigger module is electrically connected with the charging module, the output end of the charging module is electrically connected with the shock wave generator, and a charging trigger signal output by the charging trigger module can be transmitted to the charging module so as to enable the charging module and the shock wave generator to be in a conducting state. By utilizing the technical scheme provided by the application, the charging frequency and dielectric strength of the shock wave device can be greatly improved, the leakage current of the shock wave device is reduced, and the treatment safety is further improved.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A control system for a shockwave device, comprising: a charging trigger module (100), a charging control module (200), a charging module (300) and a control feedback module (800);
the charging control module (200) is electrically connected with the charging module (300);
the charging module (300) comprises a high-frequency conversion module (301) and a discharging energy storage module (302) which are connected in series, wherein the signal input end of the high-frequency conversion module (301) is electrically connected with the output end of the charging control module (200);
the control feedback module (800) is electrically connected with the charging control module (200) and the discharging energy storage module (302) respectively;
the power input end of the high-frequency conversion module (301) is electrically connected with the power supply (400), the output end of the high-frequency conversion module (301) is electrically connected with the discharge energy storage module (302), and the high-frequency conversion module (301) can charge the discharge energy storage module (302);
The output end of the charging trigger module (100) is electrically connected with the discharging energy storage module (302), the output end of the discharging energy storage module (302) is electrically connected with the shock wave generator (500), and a charging trigger signal output by the charging trigger module (100) can be transmitted to the discharging energy storage module (302) so that the discharging energy storage module (302) and the shock wave generator (500) are in a conducting state.
2. The control system of claim 1, wherein the charge control module (200) comprises a power controller (201) and at least two parallel electrical isolation circuits; the input end of the power controller (201) can receive an initial charging modulation signal, the output end of the power controller (201) is connected with the input end of the electric isolation circuit, and the output end of the electric isolation circuit is electrically connected with the signal input end of the high-frequency conversion module (301).
3. The control system of claim 2, wherein each of the at least two parallel electrical isolation circuits comprises two parallel electrical isolation branches (202);
the high-frequency conversion module (301) comprises at least four signal input ends, and the electrical isolation branches (202) are arranged in one-to-one correspondence with the signal input ends.
4. The control system according to claim 1, characterized in that the charging module (300) comprises a first voltage transforming device (303), the high frequency conversion module (301) being connected to the discharge energy storage module (302) via the first voltage transforming device (303), the input voltage of the first voltage transforming device (303) being smaller than the output voltage of the first voltage transforming device (303).
5. A control system according to claim 3, characterized in that the electrically isolated branch (202) comprises a first isolated subunit (2021), a switching circuit (2022) and an independent power supply (2023);
the switch circuit (2022) is connected with the power controller (201) through the first isolation subunit (2021), a power supply connection end of the switch circuit (2022) is connected with the independent power supply (2023), and an output end of the switch circuit (2022) is connected with a signal input end of the high-frequency conversion module (301).
6. The control system of claim 5, wherein the charge triggering module (100) comprises an optocoupler (102) and a pulse switching circuit (105);
the optocoupler (102) is connected in series with the pulse switching circuit (105), and the pulse switching circuit (105) is connected with the discharge energy storage module (302).
7. The control system of claim 1, wherein the discharge energy storage module (302) comprises a charging unit (3021), a charging capacitor (3022) and a discharge control module (3023);
the input end of the charging unit (3021) is electrically connected with the high-frequency conversion module (301), the output end of the charging unit (3021) is electrically connected with the charging end of the charging capacitor (3022), and the discharging end of the charging capacitor (3022) is electrically connected with the shock wave generator (500) through the discharging control module (3023).
8. The control system of claim 7, wherein the control feedback module (800) comprises a transmitter sensing device (30), a transmitter monitoring module (113), and a trigger signal monitoring module (114);
the emitter induction device (30) is arranged opposite to the shock wave emitter (20), the shock wave emitter (20) is electrically connected with the shock wave generator (500), and the emitter monitoring module (113) is electrically connected with the emitter induction device (30) and the discharge energy storage module (302) respectively;
the trigger signal monitoring module (114) is electrically connected with the charging capacitor (3022).
9. The control system of claim 8, wherein the control feedback module (800) further comprises: a voltage regulation module (80), a regulation voltage monitoring module (50), a charging voltage monitoring module (60), a first voltage comparison module (70) and a second voltage comparison module (90);
The first voltage comparison module (70) is electrically connected with the regulating voltage monitoring module (50) and the charging voltage monitoring module (60) respectively;
the regulating voltage monitoring module (50) is electrically connected with the voltage regulating module (80), and the charging voltage monitoring module (60) is connected with the charging capacitor (3022).
10. The control system of claim 9, wherein the control feedback module (800) further comprises: a generator temperature monitoring module (111) and a generator sensing device (112) arranged on the shock wave generator (500);
the generator sensing device (112) is electrically connected with the generator temperature monitoring module (111).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613809.4U CN219354067U (en) | 2022-09-30 | 2022-09-30 | Control system for shock wave device |
| PCT/CN2023/122711 WO2024067823A1 (en) | 2022-09-30 | 2023-09-28 | Charging system, electrical isolation system, control system, and shockwave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613809.4U CN219354067U (en) | 2022-09-30 | 2022-09-30 | Control system for shock wave device |
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| CN219354067U true CN219354067U (en) | 2023-07-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067823A1 (en) * | 2022-09-30 | 2024-04-04 | 沛嘉医疗科技(苏州)有限公司 | Charging system, electrical isolation system, control system, and shockwave device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067823A1 (en) * | 2022-09-30 | 2024-04-04 | 沛嘉医疗科技(苏州)有限公司 | Charging system, electrical isolation system, control system, and shockwave device |
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