CN214857384U - Steam ablation apparatus - Google Patents
Steam ablation apparatus Download PDFInfo
- Publication number
- CN214857384U CN214857384U CN202023323224.6U CN202023323224U CN214857384U CN 214857384 U CN214857384 U CN 214857384U CN 202023323224 U CN202023323224 U CN 202023323224U CN 214857384 U CN214857384 U CN 214857384U
- Authority
- CN
- China
- Prior art keywords
- transistor
- module
- electrically connected
- voltage
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model provides a steam ablation device, which is characterized by comprising a handle, a heating component, a power supply module, a switch module, an injection part and a processing circuit; the handle is internally provided with a cavity and a nozzle connected to the cavity, the heating part is arranged in the cavity, the power supply module is electrically connected to the heating part to supply power to the heating part so as to heat the heating part, and the injection part is connected to the cavity to inject water into the cavity; the processing circuit comprises a control module; the output side of the power supply module is electrically connected to the second end of the power supply line through the switch module; the control module is electrically connected with the controlled end of the switch module.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a steam ablation equipment.
Background
Steam ablation is a new technology for forming high-temperature water vapor and then applying the high-temperature water vapor to a target part in a patient body, and can be used for local tissue inflammatory reaction, injury repair and the like. Steam ablation may be applied to the bronchi, for example, but is not limited thereto.
In the steam ablation equipment, the heating part can be arranged in the accommodating cavity, the power supply can heat the heating part, then water sent into the accommodating cavity is heated and evaporated to form steam, and the control module can realize heating control by turning on and off the power supply module. However, frequent turning on and off of the power supply often causes loss to the power supply module, and it is difficult to perform a heating operation quickly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steam ablation device to solve power module and bring the loss, be difficult to the quick execution heating action, and signal interference, potential safety hazard scheduling problem.
According to the utility model, a steam ablation device is provided, which comprises a handle, a heating component, a power supply module, a switch module, an injection part and a processing circuit;
the handle is internally provided with a cavity and a nozzle connected to the cavity, the heating part is arranged in the cavity, the power supply module is electrically connected to the heating part to supply power to the heating part so as to heat the heating part, and the injection part is connected to the cavity to inject water into the cavity;
the processing circuit comprises a control module;
the output side of the power supply module is electrically connected to the second end of the power supply line through the switch module; the control module is electrically connected with the controlled end of the switch module.
The utility model discloses in, through introducing switch module, whether the break-make of accessible control switch module realizes heating control, has avoided frequently opening, the loss that the closing power brought, has also ensured the quick execution of heating action, still can be favorable to the isolation of signal, avoids or reduces the interference, improves the security.
And simultaneously, the utility model discloses in, because the appearance chamber is located in the handle, water can be heated by the heater block after the chamber is held in the injection portion ration injection entering, the flash evaporation forms steam to from the spout blowout, compare in forming steam in the generator, carry the scheme to the handle again, the utility model discloses can play the positive effect of quick formation steam.
Optionally, the switch module includes a first transistor and a second transistor,
the first end of the first transistor is electrically connected with the anode of the output side of the power supply module, the second end of the first transistor is electrically connected with the first end of the heating component, the first end of the second transistor is electrically connected with the cathode of the output side of the power supply module, and the second end of the second transistor is electrically connected with the second end of the heating component;
the first transistor is configured to be switched on and off by the control module; the second transistor is configured to be switched on and off by the control module.
Optionally, the switch module includes a driving unit, and the driving unit is respectively electrically connected to the control module, the control end of the first transistor, and the control end of the second transistor, and is configured to respond to a switch control signal output by the control module to control the first transistor and the second transistor to be turned on or off at the same time.
In the above alternative, the control of whether to heat or not can be realized by the simultaneous control of the transistors (e.g., field effect transistors), and at the same time, a certain degree of isolation can be formed between the transistors and the controller by the driving unit.
Optionally, the driving unit includes a third transistor, an optical coupler isolator, and a transistor driver;
a control end of the third transistor is electrically connected with the control module, a first end of the third transistor is electrically connected with a second input end of the optical coupling isolator, and a second end of the third transistor is electrically connected with the ground;
the output end of the optical coupling isolator is electrically connected with the input end of the transistor driver,
the first output end of the transistor driver is electrically connected with the control end of the first transistor, the second output end of the transistor driver is electrically connected with the second end of the first transistor, the third output end of the transistor driver is electrically connected with the control end of the second transistor, and the fourth output end of the transistor driver is electrically connected with the second end of the second transistor.
Because the control module is compared with the voltage difference of power module great and in different power domains, consequently need keep apart, for this reason, above alternative can effectively ensure the isolation between controller and the power module through introducing the opto-coupler isolator.
Optionally, the first transistor and the second transistor are both field effect transistors, the control ends of the first transistor and the second transistor are gates of the field effect transistors, the first ends of the first transistor and the second transistor are drains of the field effect transistors, and the second ends of the first transistor and the second transistor are sources of the field effect transistors.
Optionally, the processing circuit further includes a voltage regulating module, and the control module is further electrically connected to the control end of the power supply module through the voltage regulating module, so as to regulate the output voltage of the power supply module.
Optionally, the voltage regulating module includes a voltage follower, a first input end of the voltage follower is electrically connected to the control module, a second input end of the voltage follower is electrically connected to an output end of the voltage follower, and an output end of the voltage follower is electrically connected to a control end of the power module.
Optionally, the voltage regulating module further includes a first voltage regulating resistor and a second voltage regulating resistor;
one end of the first voltage regulating resistor is electrically connected with the control module, and the other end of the first voltage regulating resistor is electrically connected with a first input end of the voltage follower;
one end of the first voltage regulating resistor is electrically connected with the first input end of the voltage follower, and the other end of the first voltage regulating resistor is grounded.
In the above alternative schemes, the regulation of the output voltage of the power supply module can be realized through the voltage regulating module, and various requirements during heating are met.
Optionally, the processing circuit further includes a voltage measurement module, where the voltage measurement module is electrically connected to an output side of the power supply module to monitor an output voltage of the power supply module to obtain a voltage measurement signal;
the voltage measurement module is also electrically connected with the control module so as to send the voltage measurement signal to the control module.
In the above scheme, the voltage measuring module can accurately collect and feed back the output voltage information to the control module, thereby providing a basis for further control and/or protection actions.
Optionally, the processing circuit further includes a current measurement module, where the current measurement module is electrically connected to an output side of the power supply module to monitor an output current of the power supply module to obtain a current measurement signal;
the current measuring module is also electrically connected with the control module so as to send the current measuring signal to the control module.
In the above scheme, the current measuring module can accurately collect and feed back the output current information to the control module, thereby providing a basis for further control and/or protection actions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a first schematic view of a steam ablation apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a steam ablation apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a voltage measurement module according to an embodiment of the present invention;
fig. 4 is a third schematic view of a steam ablation device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a current measurement module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a switch module according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a switch module according to an embodiment of the present invention;
fig. 8 is a schematic connection diagram of the voltage regulation module according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a voltage regulation module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a steam ablation apparatus may include: handle 2, heating element 22, power module 12, injection section 14, and processing circuitry 11.
The handle 2, which can be understood as a structure suitable for operation to perform steam injection, may have a cavity 21 and a nozzle 23 connected to the cavity 21, and a valve and a pipeline for controlling the on/off of steam may be provided between the cavity 21 and the nozzle 23.
The heating member 22 is disposed in the cavity 21, and may be understood as a member capable of heating water entering the cavity to generate steam, for example, may include a heating coil, and may further include a heating rod, and any member suitable for heating may be used as the heating member according to the embodiment of the present invention.
Wherein, the power module 12 is electrically connected to the heating component 22 to supply power to the heating component 22, so that the heating component 22 generates heat.
The injection part 14 is connected to the cavity 22 (for example, connected through a water pipe) to inject water into the cavity 22; the injections effected therein may be effected electrically, without excluding manual means. In one embodiment, the injection portion may include, for example, an injection body having an injection cavity, the injection cavity being provided with an injection moving member, and the injection moving member may be connected to an injection motor through a transmission member so as to move along an inner wall of the injection cavity under the driving of the injection motor, so as to inject water in the injection cavity into the inner cavity 22.
The power module 12 may be any module capable of providing power for heating the heating component 22, and further, it may also provide power for the injection part 14 (e.g., an injection motor thereof), and furthermore, the power module 12 may be configured to adjust specific electrical parameters (e.g., voltage, current, power, etc.) of the power provided to the heating component and/or the injection part under the control of the control module (e.g., the control module 11).
A switch module 13 may be disposed between the power module 12 and the heating component 22, and a controlled end of the switch module may be directly or indirectly electrically connected to the control module 111 (e.g., directly electrically connected to the control module 111). Further, whether heating is performed or not can be controlled by controlling the switch module 13. The switch module 13 may be any device or combination of devices that can be controlled to be turned on and off.
In the illustrated embodiment, the power supply module 12, the switch module 13, the processing circuit 11, the injection unit 14, and the like may be provided in the case 1, and in other examples, means for providing the power supply module, the switch module, the processing circuit 11, and the injection unit in different configurations are not excluded. Meanwhile, the embodiment of the present invention does not exclude the possibility that the switch module 13 is disposed on the handle 2.
Among the above scheme, because holding the chamber and locating in the handle, water can be heated by the heater block after the chamber is held in the injection portion ration injection entering, and flash evaporation forms steam to from the spout blowout, compare in forming steam in the generator, carry the scheme to the handle again, the utility model discloses can play the positive effect of quick formation steam.
In the embodiment using the case 1 and the handle 2, the water outlet of the injection part 14 may be connected to the corresponding interface of the handle 2 through a water pipe and further connected to the housing 21, and the circuit structure such as the power module 12 may be connected to the handle through an electric wire, for example, the power module 12 may be connected to one end of the electric wire through the switch module 13 and the corresponding interface, and the other end of the electric wire is connected to the interface on the handle 2 and further connected to the heating part.
Referring to fig. 2, the processing circuit 11 may further include: a voltage measurement module 112;
the voltage measuring module 112 is electrically connected to the output end of the power module 12, and is configured to measure the output voltage of the power module and generate the voltage measuring signal;
the voltage measuring module is electrically connected to the voltage comparing module 115, and is configured to send the voltage measuring signal to the voltage comparing module 115.
In the above alternative, automatic measurement and feedback of voltage can be realized, and accurate basis is provided for execution of protection actions and other control processes.
Further, referring to fig. 3, the voltage measuring module 112 may include: the first differential amplifying unit 1121, the first voltage sensor 1122 and the first differential-to-single-ended unit 1123;
a first input end and a second input end of the first differential amplification unit 1121 are electrically connected to the positive electrode of the output side of the power module 12 and the negative electrode of the output side of the power module 12, respectively, and an output end of the first differential amplification unit 1121 is electrically connected to an input end of the first voltage sensor 1122;
the first differential amplifying unit 1121 is configured to perform differential processing on voltages at two ends of the output side of the power module 12, and amplify a differential result to obtain a single-ended first amplified signal; transmitting the first amplified signal to an input side of the first voltage sensor 1122;
a first output end of the first voltage sensor 1122 is electrically connected to a first input end of the first differential-to-single-ended unit 1123, and a second output end of the first voltage sensor 1122 is electrically connected to a second input end of the first differential-to-single-ended unit 1123;
the first voltage sensor 1122 is configured to convert the first amplified signal into a first differential signal and transmit the first differential signal to the first differential-to-single-ended unit 1123;
the output side of the first differential-to-single-ended unit 1123 is electrically connected to the voltage comparison module 115;
the first differential-to-single-ended unit 1123 is configured to convert the first differential signal into a single-ended voltage measurement signal, and send the single-ended voltage measurement signal to the voltage comparison module 115.
In the scheme, the static working point is effectively stabilized through the symmetry and negative feedback effect of the differential amplification unit on the circuit parameters, and meanwhile, the amplified differential mode signal can be used for inhibiting the common mode signal.
Referring to fig. 4, the processing circuit 11 further includes a current measuring module 113.
The current measuring module 113 is electrically connected to an output side of the power module 12 to measure component current information output from the power module 12 to the heating component 22;
the current measurement module 113 is further electrically connected to the control module 111, and feeds back a current measurement signal representing the component current information to the control module 111.
In the above scheme, the current measuring module can accurately collect and feed back the current information of the component to the control module, thereby providing a basis for further control and/or protection actions.
In a further embodiment, referring to fig. 5, the current measurement module 113 includes a conversion unit 1131, a second differential amplification unit 1132, a second voltage sensor 1133, and a second differential-to-single-ended unit 1134.
An input end of the converting unit 1131 is electrically connected to an output side of the power module 12, and an output end of the converting unit 1131 is electrically connected to the second differential amplifying unit 1132, and is configured to convert the current flowing through the heating component 22 into a voltage and output a voltage representing the component current information;
a first input end of the second differential amplifying unit 1132 and a second input end of the second differential amplifying unit are electrically connected to a first output end of the converting unit 1131 and a second output end of the converting unit 1131, respectively, and an output end of the second differential amplifying unit 1132 is electrically connected to an input end of the second voltage sensor 1133;
the second differential amplifying unit 1132 is configured to perform differential processing on two ends of the output side of the converting unit 1131, and amplify a differential result to obtain a single-ended second amplified signal; transmitting the second amplified signal to an input side of the second voltage sensor 1133;
a first output terminal of the second voltage sensor 1133 is electrically connected to a first input terminal of the second differential-to-single-ended unit 1134, and a second output terminal of the second voltage sensor 1133 is electrically connected to a second input terminal of the second differential-to-single-ended unit 1134;
the second voltage sensor 1133 is configured to convert the second amplified signal into a second differential signal, and transmit the second differential signal to the second differential-to-single-ended unit 1134;
the second differential-to-single-ended unit 1134 is configured to convert the second differential signal into a single-ended current measurement signal, and send the single-ended current measurement signal to the control module 111.
In the scheme, automatic acquisition and feedback of current information are realized, meanwhile, the static working point is effectively stabilized through the symmetry and negative feedback effect of the differential amplification unit on circuit parameters, and meanwhile, the amplified differential mode signal can be used for inhibiting the common mode signal.
Referring to fig. 6, the switch module 13 includes a first transistor Q1, a second transistor Q2 and a driving unit 131;
a first terminal of the first transistor Q1 is electrically connected to the positive electrode of the output side of the power module 12, a second terminal of the first transistor Q1 is electrically connected to the first terminal of the heating component 22, a first terminal of the second transistor Q2 is electrically connected to the negative electrode of the output side of the power module 12, and a second terminal of the second transistor Q2 is electrically connected to the second terminal of the heating component 22; the transistor can be, for example, a field effect transistor, a MOS transistor, a triode, etc.
The driving unit 131 is electrically connected to the control module 111, a control terminal (e.g., a gate) of the first transistor Q1, and a control terminal (e.g., a gate) of the second transistor Q2, respectively, for controlling the first transistor Q1 and the second transistor Q2 to be turned on or off simultaneously in response to a switching control signal output by the control module 111.
In addition, the driving unit 131 may also be connected to the control module 111, and further output a switching control signal under the control of the control module 111.
In the above alternative, the control of whether to heat or not can be achieved by the simultaneous control of the transistors (e.g., field effect transistors), and at the same time, a certain degree of isolation can be formed between the transistors and the controller by the driving unit 131.
The first transistor Q1 and the second transistor Q2 are both field effect transistors, the control ends of the first transistor Q1 and the second transistor Q2 are gates of the field effect transistors, the first ends of the first transistor Q1 and the second transistor Q2 are drains of the field effect transistors, and the second ends of the first transistor and the second transistor are sources of the field effect transistors.
Further, referring to fig. 7, the driving unit 131 includes a third transistor Q3, an opto-isolator U11, and a transistor driver U12; the transistor can be, for example, a field effect transistor, a MOS transistor, a triode, etc.
A control end (for example, a gate electrode) of the third transistor Q3 is electrically connected to the control module 111, a first end of the third transistor Q3 is electrically connected to the input side of the opto-isolator U11, and a second end of the third transistor Q3 is electrically connected to ground;
the output side of the optocoupler isolator U11 is electrically connected with the input end of the transistor driver U12;
a first output terminal (specifically, a VoutA + terminal) of the transistor driver U12 is electrically connected to the control terminal of the first transistor Q1, a second output terminal (specifically, a VoutA-terminal) of the transistor driver U12 is electrically connected to the second terminal of the first transistor Q1, a third output terminal (specifically, a VoutB + terminal) of the transistor driver U12 is electrically connected to the control terminal of the second transistor Q2, and a fourth output terminal (specifically, a VoutB-terminal) of the transistor driver U12 is electrically connected to the second terminal of the second transistor Q2.
Because the control module is compared with the voltage difference of power module great and in different power domains, consequently need keep apart, for this reason, above alternative can effectively ensure the isolation between controller and the power module through introducing the opto-coupler isolator.
In addition, the control end of the third transistor Q3 is also grounded through a pull-down resistor R13, a resistor R14 is connected between the control end and the second end of the first transistor Q1, a resistor R15 is connected between the control end and the second end of the second transistor Q2, a resistor R11 is further arranged between the control end of the first transistor Q1 and the first output end of the transistor driver U12, and a resistor R12 is further arranged between the control end of the second transistor Q2 and the third output end of the transistor driver U12.
Referring to fig. 8, a controlled terminal of the power module 12 is electrically connected to the control module 111 through a voltage regulating module 118. In the above alternative, the adjustment of the output voltage of the power supply module can be realized by the voltage adjusting module.
Specifically, referring to fig. 9, the voltage regulating module 118 includes: a voltage follower U71, a first input terminal of the voltage follower U71 is electrically connected to the control module 111, a second input terminal of the voltage follower U71 is electrically connected to an output terminal of the voltage follower U71, and an output terminal of the voltage follower U71 is electrically connected to the controlled terminal of the power module 12.
In a further aspect, the voltage regulation module 118 further includes: the voltage follower comprises a first voltage regulating resistor R71 and a second voltage regulating resistor R72, wherein one end of the first voltage regulating resistor R71 is electrically connected with the control module 111, and the other end of the first voltage regulating resistor R71 is electrically connected with a first input end of the voltage follower U71; one end of the second voltage-regulating resistor R72 is electrically connected to the first input end of the voltage follower U71, and the other end of the second voltage-regulating resistor R72 is grounded, wherein the first input end of the voltage follower U71 can be understood as a non-inverting input end thereof.
In the scheme, the voltage regulation circuit can be realized by using a self-contained DAC module in a control module (such as an MCU), the output control voltage range is 0-3.3V, and the voltage regulation circuit can be input to a power supply module to regulate voltage after the driving capability is increased through a following circuit formed by a voltage follower. In one example, the voltage regulation range can be, for example, 2 to 30V. In the case of a constant resistance of the heating element (e.g. heating coil), the higher the voltage of the regulated output, the higher the heating power.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A steam ablation device is characterized by comprising a handle, a heating part, a power supply module, a switch module, an injection part and a processing circuit;
the handle is internally provided with a cavity and a nozzle connected to the cavity, the heating part is arranged in the cavity, the power supply module is electrically connected to the heating part to supply power to the heating part so as to heat the heating part, and the injection part is connected to the cavity to inject water into the cavity;
the processing circuit comprises a control module;
the output side of the power supply module is electrically connected to the second end of the power supply line through the switch module; the control module is electrically connected with the controlled end of the switch module.
2. The steam ablation device of claim 1, wherein the switching module includes a first transistor and a second transistor,
the first end of the first transistor is electrically connected with the anode of the output side of the power supply module, the second end of the first transistor is electrically connected with the first end of the heating component, the first end of the second transistor is electrically connected with the cathode of the output side of the power supply module, and the second end of the second transistor is electrically connected with the second end of the heating component;
the first transistor is configured to be switched on and off by the control module; the second transistor is configured to be switched on and off by the control module.
3. The steam ablation device of claim 2, wherein the switch module comprises a driving unit electrically connected to the control module, the control terminal of the first transistor and the control terminal of the second transistor respectively, for controlling the first transistor and the second transistor to be turned on or off simultaneously in response to a switch control signal output by the control module.
4. The steam ablation device of claim 3, wherein the drive unit comprises a third transistor, a light-coupling isolator and a transistor driver;
a control end of the third transistor is electrically connected with the control module, a first end of the third transistor is electrically connected with a second input end of the optical coupling isolator, and a second end of the third transistor is electrically connected with the ground;
the output end of the optical coupling isolator is electrically connected with the input end of the transistor driver,
the first output end of the transistor driver is electrically connected with the control end of the first transistor, the second output end of the transistor driver is electrically connected with the second end of the first transistor, the third output end of the transistor driver is electrically connected with the control end of the second transistor, and the fourth output end of the transistor driver is electrically connected with the second end of the second transistor.
5. The steam ablation device of claim 2, wherein the first transistor and the second transistor are both field effect transistors, the control terminals of the first transistor and the second transistor are gates of the field effect transistors, the first terminals of the first transistor and the second transistor are drains of the field effect transistors, and the second terminals of the first transistor and the second transistor are sources of the field effect transistors.
6. The steam ablation device of claim 1, wherein the processing circuit further comprises a voltage regulating module, and the control module is further electrically connected to the control terminal of the power module through the voltage regulating module to regulate the output voltage of the power module.
7. The steam ablation device of claim 6, wherein the voltage regulation module comprises a voltage follower, a first input of the voltage follower is electrically connected to the control module, a second input of the voltage follower is electrically connected to an output of the voltage follower, and an output of the voltage follower is electrically connected to a control terminal of the power module.
8. The steam ablation device of claim 6, wherein the voltage regulation module further comprises a first voltage regulation resistor and a second voltage regulation resistor;
one end of the first voltage regulating resistor is electrically connected with the control module, and the other end of the first voltage regulating resistor is electrically connected with a first input end of the voltage follower;
one end of the first voltage regulating resistor is electrically connected with the first input end of the voltage follower, and the other end of the first voltage regulating resistor is grounded.
9. The steam ablation device of any one of claims 1 to 8, wherein the processing circuit further comprises a voltage measurement module electrically connected to an output side of the power module to monitor an output voltage of the power module for a voltage measurement signal;
the voltage measurement module is also electrically connected with the control module so as to send the voltage measurement signal to the control module.
10. The steam ablation device of any one of claims 1 to 8, wherein the processing circuit further comprises a current measurement module electrically connected to an output side of the power module to monitor an output current of the power module for a current measurement signal;
the current measuring module is also electrically connected with the control module so as to send the current measuring signal to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023323224.6U CN214857384U (en) | 2020-12-31 | 2020-12-31 | Steam ablation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023323224.6U CN214857384U (en) | 2020-12-31 | 2020-12-31 | Steam ablation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214857384U true CN214857384U (en) | 2021-11-26 |
Family
ID=78863061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023323224.6U Active CN214857384U (en) | 2020-12-31 | 2020-12-31 | Steam ablation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214857384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115005967A (en) * | 2022-08-10 | 2022-09-06 | 浙江伽奈维医疗科技有限公司 | Steam ablation gun, steam ablation equipment and control method |
-
2020
- 2020-12-31 CN CN202023323224.6U patent/CN214857384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115005967A (en) * | 2022-08-10 | 2022-09-06 | 浙江伽奈维医疗科技有限公司 | Steam ablation gun, steam ablation equipment and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209419591U (en) | Output driver | |
| CN214857384U (en) | Steam ablation apparatus | |
| CN110244211B (en) | Transient thermal resistance test circuit | |
| CN107647477B (en) | NMOS tube driving control circuit, chip, device and driving method | |
| CN104378897B (en) | X-ray generating device with tube current control function | |
| CN111786563B (en) | Synchronous rectification control circuit and switching power supply | |
| TWI733483B (en) | Flyback power converter and conversion controller circuit | |
| CN110693401B (en) | A cleaning robot | |
| CN214907985U (en) | Steam ablation apparatus | |
| CN1953309A (en) | High voltage power supply and the high voltage control method thereof | |
| CN108493776B (en) | Positive and negative ion control circuit and control method thereof | |
| CN103746574A (en) | Line voltage compensation circuit | |
| CN106451064A (en) | Method of improving reliability of pulse constant current source | |
| CN106873509B (en) | A kind of remote control volt circuit of carrier rocket power supply and method | |
| CN114441815A (en) | High-power pulse type constant current load circuit based on IGBT | |
| CN116338509B (en) | Test method and test circuit for rapidly-changing power supply signal | |
| CN114152852A (en) | IGBT junction temperature calibration system | |
| CN108255211B (en) | TEC refrigerating device | |
| CN117398608A (en) | Control circuit and control method based on nerve modulation electric stimulation therapeutic instrument | |
| CN101453165A (en) | Summit current operated electric voltage feed forward method in switch power source | |
| CN105375892B (en) | A kind of energy-efficient current amplifier | |
| CN101582647B (en) | High-accuracy pulse/direct current digital power of ionic accelerator | |
| CN215186462U (en) | Ultrasonic drive circuit with adjustable frequency amplitude | |
| CN101231905B (en) | Stepless adjustable great current generating circuit for driving electromagnetic performer | |
| JP2019115132A (en) | Switching power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |