CN219557471U - Shock wave saccule system and high-voltage pulse generator thereof - Google Patents
Shock wave saccule system and high-voltage pulse generator thereof Download PDFInfo
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- CN219557471U CN219557471U CN202320180705.0U CN202320180705U CN219557471U CN 219557471 U CN219557471 U CN 219557471U CN 202320180705 U CN202320180705 U CN 202320180705U CN 219557471 U CN219557471 U CN 219557471U
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Abstract
The utility model relates to a vibration wave saccule system and a high-voltage pulse generator thereof, wherein the vibration wave saccule system comprises a host, a handle and a saccule conduit, the host comprises a high-voltage pulse generating part of the high-voltage pulse generator, the host is connected with the handle through a high-voltage switch, an electrode is arranged in the saccule conduit, and the host generates high-voltage pulse to reach the electrode in the saccule conduit through the handle. According to the utility model, the high-voltage switch is arranged on one side of the high-voltage end of the high-voltage power supply, meanwhile, the electric isolator is arranged in the isolating high-voltage controller for controlling the high-voltage switch to be connected, no continuous high voltage exists on the handle, no high-voltage insulation requirement is required on the handle cable and the handle shell, the manufacturing cost of the handle cable and the handle is greatly reduced, and the reliability and the safety of the system work are improved.
Description
Technical Field
The utility model relates to a seismic wave saccule system and a high-voltage pulse generator thereof.
Background
The intravascular saccule shock wave lithotripsy (Intravascular Lithotripsy, IVL) device is a product for coronary calcification lesion treatment and peripheral vascular calcification lesion treatment, has the action principle similar to that of in-vitro ultrasonic lithotripsy, and adopts the electrohydraulic effect to generate shock waves to accurately disintegrate the calcification lesions. The IVL device can be summarized as a vibration wave balloon system, which comprises a host, a handle and a balloon catheter, wherein the host can be summarized as a high-voltage pulse generator, high-voltage pulses generated by the high-voltage pulse generator are transmitted to the balloon catheter through the handle after the high-voltage switch is connected, and electrodes in the balloon catheter generate arc discharge to expand and gasify liquid in the balloon catheter to generate vibration waves.
The handle cable of the shock wave saccule system consists of a core wire for transmitting high-voltage pulse and a core wire for transmitting handle data. In the working process of the vibration wave saccule system, the insulating material between the cable core wire for transmitting the high-voltage pulse and the handle data core wire is required to meet certain insulating and pressure-resistant requirements so as to avoid the influence of the high-voltage pulse on the handle data transmission and the damage to a handle control circuit. In general, the indexes of the cable core such as pressure resistance, cable diameter, bending resistance, cost and the like are often contradictory. For example, in order to increase the pressure resistance requirement of the cable core, a cable with a larger diameter may be adopted, and the handle is connected with a thick cable, so that obviously the user experience is degraded; in order to improve the pressure resistance requirement of the cable core wire, an insulating material with higher pressure resistance may be needed, and the material may cause the bending resistance of the cable to be reduced, so that the cable is easy to break; the requirement of improving the withstand voltage of the cable core wire obviously requires paying higher cable manufacturing cost, and the manufacturing cost of the cable may rise to more than half of the material cost of the whole system. In the working process of the vibration wave saccule system, continuous high voltage exists on the handle, and high insulation requirements are provided for the cable core wire and the handle shell, so that the selection space of insulation materials of the handle cable and the handle shell is compressed.
In the existing shock wave saccule system, a high-voltage switch is positioned at the grounding end of a high-voltage power supply, and in the working process of the system, continuous high voltage exists on a handle, so that the high-voltage shock wave saccule system has high insulation requirements on a handle cable and a handle shell.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a seismic wave saccule system and a high-voltage pulse generator thereof. The high-voltage switch of the high-voltage pulse generator in the vibration wave saccule system is arranged at the high-voltage end of the high-voltage power supply, so that continuous high voltage does not exist on the handle in the system operation, high-voltage insulation requirements on the cable core wire of the handle and the handle shell are avoided, the manufacturing cost of the cable and the handle is greatly reduced, and the reliability and the safety of the system operation are improved.
According to a first aspect of the present utility model, a high voltage pulse generator is provided, comprising a high voltage power supply, a high voltage capacitor, a high voltage switch, an isolated high voltage controller and an electrode, wherein the high voltage capacitor and the high voltage power supply are connected to form a loop, the high voltage switch and the electrode are connected in series to form a first branch, the first branch is connected in parallel to two ends of the high voltage power supply, the high voltage power supply comprises a high voltage end and a ground terminal, the high voltage switch is located at one side of the high voltage end of the high voltage power supply, and the isolated high voltage controller is connected to the high voltage switch, wherein:
the high-voltage power supply is used for outputting high voltage to charge the high-voltage capacitor;
the isolation high-voltage controller is used for outputting a control signal to control the high-voltage switch to be turned on;
the high-voltage switch is used for switching on the first branch according to a control signal output by the isolation high-voltage controller after the high-voltage capacitor is charged;
the high-voltage capacitor is used for receiving the voltage of the high-voltage power supply to charge and discharging when the high-voltage switch is connected with the first branch;
the electrode is used for receiving the voltage released by the high-voltage capacitor after the first branch is switched on, and arc discharge occurs.
According to some embodiments, the isolation high voltage controller includes an electrical isolator for isolating the control signal and a high voltage generated after the high voltage switch is turned on, and a high voltage controller for outputting the control signal.
According to some embodiments, the electrical isolator has the characteristic of a high common mode rejection ratio.
According to some embodiments, the electrical isolator comprises an isolation transformer.
According to a second aspect of the present utility model there is provided a seismic balloon system comprising a handle, a balloon catheter and a high voltage pulse generator according to the first aspect of the present utility model, electrodes located within the balloon catheter, wherein:
the handle is used for connecting the high-voltage switch and the balloon catheter.
According to some embodiments, the handle comprises a handle housing and a handle cable.
According to some embodiments, the handle cable includes a high voltage pulse core and a handle data core.
According to some embodiments, the balloon catheter includes a contrast fluid that is vaporized and expanded after arcing of the electrodes to generate the shock wave.
The high-voltage switch of the high-voltage pulse generator in the vibration wave saccule system is arranged at the high-voltage end of the high-voltage power supply, continuous high voltage does not exist on the handle in the system work, high-voltage insulation requirements on the handle cable and the handle shell are not met, the manufacturing cost of the handle cable and the handle shell is greatly reduced, and the reliability and the safety of the system work are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings by those skilled in the art without departing from the scope of the claimed utility model.
FIG. 1 is a schematic diagram of the composition of a seismic balloon system of the present utility model;
FIG. 2 is a schematic diagram of an isolated high voltage controller of the high voltage pulse generator according to the present utility model;
fig. 3 is a schematic diagram of the mechanism of the high voltage pulse generator of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
FIG. 1 is a schematic diagram of the composition of a seismic balloon system of the present utility model.
In some embodiments, the shock wave balloon system includes a host 101, a handle 104, and a balloon catheter 105, wherein the balloon catheter 105 includes an electrode therein. In some embodiments, the host 101 includes a high voltage pulse generating portion of a high voltage pulse generator, specifically including a high voltage power supply, a high voltage capacitor, a high voltage switch, and an isolated high voltage controller. In some embodiments, the handle 104 includes a handle housing and a handle cable. In some embodiments, the handle cable includes a high voltage pulse core and a handle data core. In some embodiments, the high voltage pulse core is used to transmit the high voltage pulse signal generated by the host computer 101 to the balloon catheter 105, and the handle data core is used to transmit handle data. In some embodiments, the electrodes are located inside the balloon catheter 105. In some embodiments, a contrast fluid is also included within balloon catheter 105.
In some embodiments, the host 101 transmits the high voltage pulses and handle data it generates to the handle 104, the high voltage pulses passing through a high voltage pulse core wire within the handle 104 to electrodes within the balloon catheter 105. In some embodiments, the operation of the seismic balloon system is summarized as follows: the high-voltage pulse generator in the host 101 charges a high-voltage capacitor, and after the charging is completed, the isolation high-voltage controller controls the high-voltage switch to be turned on so as to release high-voltage pulses; the high-voltage pulse passes through the high-voltage pulse core wire in the handle 104 to reach the electrode positioned inside the balloon catheter 105, and the electrode generates arc discharge, so that the contrast agent liquid in the balloon catheter 105 is gasified and expanded, and a shock wave is generated.
Fig. 2 is a schematic diagram of an isolated high voltage controller of the high voltage pulse generator according to the present utility model.
Referring to fig. 2, in some embodiments, isolated high voltage controller 301 includes an electrical isolator 401 and high voltage controller 206.
In some embodiments, high voltage controller 206 outputs control signal 205 to control high voltage switch 204 to turn on. In some embodiments, the level of the control signal 205 output by the high voltage controller 206 must rise with the potential of the E pin of the high voltage switch 204 to maintain the voltage across the G, E pin of the high voltage switch 204 equal to the magnitude of the control signal 205 and maintain the high voltage switch 204 in the on state.
In some embodiments, the level of the control signal 205 output by the high voltage controller 206 must rise with the potential of the E pin of the high voltage switch 204, and the electrical isolator 401 is used to isolate the control signal 205 and the high voltage generated after the high voltage switch 204 is turned on. In some embodiments, the electrical isolator 401 comprises an isolation transformer. In some embodiments, the electrical isolator 401 has a high common mode rejection ratio characteristic for eliminating a strong common mode interference signal generated at the instant when the high voltage switch 204 is turned on, which would destroy the control signal 205 and cause the high voltage switch 204 to malfunction.
Fig. 3 is a schematic diagram of the mechanism of the high voltage pulse generator of the present utility model.
Referring to fig. 3, in some embodiments, the seismic balloon system includes a host 101, a handle 103, and a balloon catheter 105. In some embodiments, handle 103 connects host 101 and balloon catheter 105.
In some embodiments, the host 101 includes a high voltage pulse generating portion of a high voltage pulse generator, specifically including a high voltage power supply 201, a high voltage capacitor 203, a high voltage switch 204, and an isolated high voltage controller 301. In some embodiments, the high voltage switch 204 is located on the side of the high level end of the high voltage power supply, and the handle 103 is connected to the high voltage switch 204.
In some embodiments, the operation of the seismic balloon system is summarized as follows: the high-voltage pulse generator in the host 101 charges the high-voltage capacitor 203, and after the charging is completed, the isolated high-voltage controller 301 controls the high-voltage switch 204 to be turned on so as to release high-voltage pulses; the high-voltage pulse passes through the high-voltage pulse core wire in the handle 104 to reach the electrode positioned inside the balloon catheter 105, and the electrode generates arc discharge, so that the contrast agent liquid in the balloon catheter 105 is gasified and expanded to generate shock waves
In some embodiments, the high voltage switch 204 is turned on instantaneously and a high voltage pulse passes through the handle 103 to the electrode inside the balloon catheter 105, and when the high voltage switch 204 is not turned on, no high voltage is present on the handle 103. In some embodiments, a single high voltage pulse generation is divided into a non-pulse firing time and a pulse firing time, the non-pulse firing time being approximately 1 second, the pulse firing time being less than 10 microseconds. In some embodiments, high voltage switch 204 is on during the pulse firing time, high voltage is present on handle 103, high voltage switch 204 is off during the non-pulse firing time, and high voltage is not present on handle 103.
The high-voltage switch of the high-voltage pulse generator in the vibration wave saccule system is arranged at the high-voltage end of the high-voltage power supply, continuous high voltage does not exist on the handle in the system work, high-voltage insulation requirements on the handle cable and the handle shell are not met, the manufacturing cost of the handle cable and the handle shell is greatly reduced, and the reliability and the safety of the system work are improved.
The foregoing has outlined rather broadly the more detailed description of embodiments of the utility model in order that the detailed description of the principles and embodiments of the utility model may be implemented in conjunction with the detailed description of embodiments of the utility model that follows. Meanwhile, based on the idea of the present utility model, those skilled in the art can make changes or modifications on the specific embodiments and application scope of the present utility model, which belong to the protection scope of the present utility model. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. The utility model provides a high voltage pulse generator, includes high voltage power supply, high voltage capacitor, high voltage switch, keeps apart high voltage controller, electrode, high voltage capacitor with high voltage power supply links to each other and constitutes the return circuit, high voltage switch with the electrode establishes ties and constitutes first branch road, first branch road is in the high voltage power supply both ends are parallelly connected, high voltage power supply includes high level end and ground terminal, high voltage switch is located high voltage power supply's one side of high level end, keep apart high voltage controller with high voltage switch links to each other, wherein:
the high-voltage power supply is used for outputting high voltage to charge the high-voltage capacitor;
the isolation high-voltage controller is used for outputting a control signal to control the high-voltage switch to be turned on;
the high-voltage switch is used for switching on the first branch according to the control signal output by the isolation high-voltage controller after the high-voltage capacitor is charged;
the high-voltage capacitor is used for receiving the voltage of the high-voltage power supply to charge and discharging when the high-voltage switch is connected with the first branch;
and the electrode is used for receiving the voltage released by the high-voltage capacitor after the first branch is connected, and generating arc discharge.
2. The high voltage pulse generator of claim 1, wherein the isolated high voltage controller comprises an electrical isolator for isolating the control signal and the high voltage generated after the high voltage switch is turned on, and a high voltage controller for outputting the control signal.
3. The high voltage pulse generator of claim 2 wherein said electrical isolator has the characteristic of a high common mode rejection ratio.
4. A high voltage pulse generator as defined in claim 3, wherein said electrical isolator comprises an isolation transformer.
5. A seismic balloon system comprising a handle, a balloon catheter, and the high voltage pulse generator of any of claims 1-4, the electrode being located within the balloon catheter, wherein:
the handle is used for connecting the high-voltage switch and the balloon catheter.
6. The shock balloon system of claim 5, wherein the handle comprises a handle housing and a handle cable.
7. The shock balloon system of claim 6, wherein the handle cable comprises a high voltage pulse core and a handle data core.
8. The seismic balloon system of claim 5 or 6, wherein the balloon catheter comprises a contrast fluid that is gasified and expanded after arcing of the electrodes to generate the seismic waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180705.0U CN219557471U (en) | 2023-02-01 | 2023-02-01 | Shock wave saccule system and high-voltage pulse generator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320180705.0U CN219557471U (en) | 2023-02-01 | 2023-02-01 | Shock wave saccule system and high-voltage pulse generator thereof |
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| CN219557471U true CN219557471U (en) | 2023-08-22 |
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| CN202320180705.0U Active CN219557471U (en) | 2023-02-01 | 2023-02-01 | Shock wave saccule system and high-voltage pulse generator thereof |
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| CN (1) | CN219557471U (en) |
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2023
- 2023-02-01 CN CN202320180705.0U patent/CN219557471U/en active Active
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