CN212382731U - Low-temperature plasma radio frequency ablation instrument - Google Patents
Low-temperature plasma radio frequency ablation instrument Download PDFInfo
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- CN212382731U CN212382731U CN201721351006.9U CN201721351006U CN212382731U CN 212382731 U CN212382731 U CN 212382731U CN 201721351006 U CN201721351006 U CN 201721351006U CN 212382731 U CN212382731 U CN 212382731U
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Abstract
The utility model provides a low temperature plasma radiofrequency ablation appearance, including power supply circuit, switching module, amazing control circuit, ablation control circuit and electrode, wherein, power supply circuit's input meets with the commercial power, power supply circuit's output with switching module's input electricity is connected, switching module's output with amazing control circuit's input or ablation control circuit's input electricity are connected, the input of electrode respectively with amazing control circuit's output with ablation control circuit's output electricity is connected. The embodiment of the utility model provides a low temperature plasma radiofrequency ablation appearance still possesses the function of finding out the lesion tissue position through amazing muscle when possessing the impaired tissue function of melting, has reduced the treatment cost that uses other medical instrument in the treatment process, has also shortened the treatment time that the change instrument was spent.
Description
Technical Field
The utility model relates to a medical equipment designs technical field, especially relates to a low temperature plasma radiofrequency ablation appearance.
Background
The human body is a complex structure composed of many organic and inorganic substances, and body fluids contain a large amount of dielectrics, such as ions, water, colloidal particles, etc., and the human body mainly conducts current by means of ion movement. The plasma radio frequency ablation technology is to use ions in a human body to form a plasma thin layer, dissociate molecular bonds forming cell components in target tissues, cause tissue coagulation necrosis and form the therapeutic effect of ablation or cutting. Wherein, the low-temperature plasma radiofrequency ablation technology works at a relatively low temperature (10-70 ℃), reduces the thermal damage to peripheral tissues to the minimum degree compared with the traditional high-frequency electric knife (100-. Because the low-temperature plasma radiofrequency ablation technology has the characteristics of low thermal injury and tissue volume reduction, the advantages of shortening the recovery time of a patient after treatment, relieving the pain feeling after treatment and reducing the operation treatment cost can be realized, and the low-temperature plasma radiofrequency ablation technology gradually becomes one of the mainstream trends of radiofrequency ablation treatment.
At present, the low-temperature plasma radio frequency ablation instrument in the market only has the function of ablating lesion tissues, a doctor is required to determine the positions of the lesion tissues by means of other medical instruments before the low-temperature plasma radio frequency ablation instrument is used, the treatment cost is increased and the treatment time is prolonged by using a plurality of instruments in the treatment process.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a low temperature plasma radiofrequency ablation appearance to solve present doctor and need confirm the lesion tissue position with the help of other medical instrument before melting the treatment, cause the problem of treatment cost increase and treatment time extension.
In a first aspect, an embodiment of the present invention provides a low-temperature plasma rf ablation instrument, including power supply circuit, switching module, stimulation control circuit, ablation control circuit and electrode, wherein, power supply circuit's input meets with the commercial power, power supply circuit's output with switching module's input electricity is connected, switching module's output with stimulation control circuit's input or ablation control circuit's input electricity is connected, the input of electrode respectively with stimulation control circuit's output with ablation control circuit's output electricity is connected.
Optionally, the stimulation control circuit includes a first microcontroller and a stimulation module, an input end of the first microcontroller is electrically connected to an output end of the switching module, an output end of the first microcontroller is electrically connected to an input end of the stimulation module, and an output end of the stimulation module is electrically connected to the electrode.
Optionally, the low-temperature plasma radiofrequency ablation instrument further comprises a parameter regulator, and an output end of the parameter regulator is electrically connected with a control end of the first microcontroller.
Optionally, the ablation control circuit includes a second microcontroller and an ablation module, an input end of the second microcontroller is electrically connected to an output end of the switching module, an output end of the second microcontroller is electrically connected to an input end of the ablation module, and an output end of the ablation module is electrically connected to the electrode.
Optionally, the low-temperature plasma radio-frequency ablation instrument further comprises an ablation gear adjuster, and an output end of the ablation gear adjuster is electrically connected with a control end of the second microcontroller.
Optionally, the low-temperature plasma radiofrequency ablation instrument further comprises a plasma water inlet pipe and a plasma water suction pipe, and the electrode is located on a water flow path of the plasma water inlet pipe and the plasma water suction pipe.
Optionally, the low-temperature plasma radiofrequency ablation instrument further comprises a foot switch, the foot switch comprises a stimulation pedal and an ablation pedal, and the output end of the stimulation pedal and the output end of the ablation pedal are both electrically connected with the control end of the switching module.
Optionally, the low-temperature plasma radiofrequency ablation instrument further comprises a mode switching key, and an output end of the mode switching key is electrically connected with a control end of the switching module.
Optionally, the low-temperature plasma radiofrequency ablation instrument further comprises an alarm circuit, wherein the input end of the alarm circuit is electrically connected with the output end of the power circuit, the alarm circuit comprises a parameter correction unit and an alarm, the input end of the parameter correction unit is electrically connected with the output end of the electrode, and the output end of the parameter correction unit is electrically connected with the input end of the alarm.
Optionally, the low-temperature plasma radiofrequency ablation instrument further comprises a display, and an input end of the display is electrically connected with an output end of the power supply circuit, an output end of the stimulation control circuit and an output end of the ablation control circuit respectively.
The embodiment of the utility model provides an in, low temperature plasma radiofrequency ablation appearance includes power supply circuit, switching module, amazing control circuit, melts control circuit and electrode, wherein, power supply circuit's input meets with the commercial power, power supply circuit's output with switching module's input electricity is connected, switching module's output with amazing control circuit's input or melting control circuit's input electricity are connected, the input of electrode respectively with amazing control circuit's output with it connects to melt control circuit's output electricity. Therefore, the doctor can control the output end of the switching module to be connected with the input end of the stimulation control circuit in the process of using the low-temperature plasma radio-frequency ablation instrument, so that the low-temperature plasma radio-frequency ablation instrument is used for finding out damaged tissues through stimulating muscles, the position of the damaged tissues does not need to be determined by other medical instruments, the treatment cost of using other medical instruments in the treatment process is reduced, and the treatment time spent on replacing the instruments is shortened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and 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 labor.
Fig. 1 is a schematic structural diagram of a low-temperature plasma rf ablation instrument according to an embodiment of the present invention;
fig. 2 is a system block diagram of a low-temperature plasma rf ablation instrument according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an electrode device in a low-temperature plasma rf ablation instrument 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 some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a low-temperature plasma rf ablation instrument according to an embodiment of the present invention; fig. 2 is a system block diagram of a low-temperature plasma rf ablation instrument according to an embodiment of the present invention. The embodiment of the utility model provides a low temperature plasma radiofrequency ablation appearance, including casing 200, accept in circuit board in the casing 200 and set up in the outer electrode ware 300 of casing 200, electrode ware 300 includes electrode 50, electrode 50's input with the output electricity of circuit board is connected. The circuit board includes power supply circuit 10, switching module 20, amazing control circuit 30 and melts control circuit 40, wherein, power supply circuit 10's input meets with the commercial power through the power source interface on the casing 200, power supply circuit's 10 output with switching module 20's input electricity is connected, switching module 20's output with amazing control circuit 30's input or melting control circuit 40's input electricity is connected, electrode 50's input respectively with amazing control circuit 30's output with melting control circuit 40's output electricity is connected.
The embodiment of the utility model provides an in, when the doctor is confirming patient's the impaired position of motor nerve, steerable switching module 20's output is connected with stimulation control circuit 30's input and is got into amazing mode, stimulation control circuit 30 is after obtaining the electric energy, control electrode 50 exports amazing radio frequency current, the doctor contacts with patient through with electrode 50, whether the condition of motion fibre control muscle contraction appears in the observation, if appear, then the position of electrode 50 current contact is the impaired position of motor nerve, reach the function of confirming impaired motor nerve position. After determining the position of the damaged motor nerve, the doctor then controls the output end of the switching module 20 to disconnect from the input end of the stimulation control circuit 30, and then connects to the input end of the ablation control circuit 40 to enter an ablation mode, after the ablation control circuit 40 obtains electric energy, the control electrode 50 outputs ablation radio frequency current, and starts to perform ablation treatment on the motor nerve damaged part of the patient by means of plasma water and a low-temperature environment (40-70 ℃), specifically, 100KHz ablation radio-frequency current is applied, ions in tissues form a plasma thin layer between the electrode 50 and the damaged motor nerve, the plasma in the layer is accelerated by an electric field and transfers energy to the damaged motor nerve, thereby breaking the molecule binding bond between cells, decomposing the cells in the damaged motor nerve into carbohydrate and oxide, and achieving the effect of liquefying and ablating the damaged motor nerve.
Wherein, the stimulation control circuit 30 includes a first microcontroller 31 and a stimulation module 32, in the stimulation mode, an input terminal of the first microcontroller 31 is electrically connected to an output terminal of the switching module 20, an output terminal of the first microcontroller 31 is electrically connected to an input terminal of the stimulation module 32, and an output terminal of the stimulation module 32 is electrically connected to the electrode.
The first microcontroller 31 is configured to set stimulation radio frequency parameters such as voltage, current, pulse width, and frequency in the stimulation mode, default stimulation radio frequency parameters are pre-stored in the first microcontroller 31, and when entering the stimulation mode each time, the first microcontroller 31 may set the default stimulation radio frequency parameters or may automatically set the stimulation radio frequency parameters when leaving the stimulation mode last time. The first microcontroller 31 transmits the set stimulation rf parameters to the stimulation module 32, and the stimulation module 32 controls the electrode 50 to output corresponding stimulation rf currents according to the stimulation rf parameters input by the first microcontroller 31. In this embodiment, the frequency of the stimulation RF parameter is in the range of 2-20Hz, the pulse width is in the range of 1-3ms, the voltage is less than 10V and the current is greater than 1.0 mA.
In addition, the ablation control circuit 40 includes a second microcontroller 41 and an ablation module 42, in an ablation mode, an input end of the second microcontroller 41 is electrically connected to an output end of the switching module 20, an output end of the second microcontroller 41 is electrically connected to an input end of the ablation module 42, and an output end of the ablation module 42 is electrically connected to the electrode 50.
The second microcontroller 41 is configured to set ablation rf parameters such as voltage, current, pulse width, and frequency in the ablation mode, default ablation rf parameters are pre-stored in the second microcontroller 41, and each time the ablation mode is entered, the second microcontroller 41 may set the default ablation rf parameters, or may automatically set the default ablation rf parameters when the ablation mode is left last time. The second microcontroller 41 transmits the set ablation radio frequency parameters to the ablation module 42, and the ablation module 42 controls the electrode 50 to output corresponding ablation radio frequency current according to the ablation radio frequency parameters input by the second microcontroller 41.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an electrode device in a low-temperature plasma rf ablation instrument according to an embodiment of the present invention. The electrode device 300 comprises an electrode 50, the electrode 50 comprises an electrode input end 51 and an electrode transmitting end 52, the electrode input end 51 is inserted into the housing 200 and is electrically connected with the output end of the stimulation module 32 and the output end of the ablation module 42, respectively, and in the stimulation mode, the electrode input end 51 receives the stimulation radio frequency current output by the stimulation module 32 and then is transmitted by the electrode transmitting end 52; in the ablation mode, the electrode input end 51 receives the ablation radio frequency current output by the ablation module 42 and then emits the ablation radio frequency current through the electrode emitting end 52.
Optionally, the low-temperature plasma rf ablation instrument further includes a parameter adjuster 60, and an output end of the parameter adjuster 60 is electrically connected to control ends of the first microcontroller 31 and the second microcontroller 41, respectively.
As shown in fig. 1, the parameter adjuster 60 is disposed outside the housing 200, and includes at least one of a frequency adjuster, a voltage adjuster, and a pulse width adjuster, and the frequency adjuster, the voltage adjuster, and the pulse width adjuster are any forms capable of implementing an adjusting function, such as a knob, a button, or a lever. In the stimulation mode, the doctor can directly adjust the stimulation radio frequency parameters in the first microcontroller 31 through the parameter adjuster 60 outside the shell 200; in the ablation mode, the physician can directly adjust the ablation rf parameters in the second microcontroller 41 via the parameter adjuster 60 outside the housing 200.
In the embodiment, a doctor can automatically adjust the stimulation radio frequency parameters or the ablation radio frequency parameters according to the difference of the physiological conditions of a patient in the stimulation mode or the ablation mode, the operation is convenient, and the differentiation requirements in the use process can be met.
Further, the low-temperature plasma radiofrequency ablation instrument further comprises an ablation gear adjuster 70, and an output end of the ablation gear adjuster 70 is electrically connected with a control end of the second microcontroller 41.
The ablation gear adjuster 70 is arranged outside the shell 200, a preset number of gears are pre-stored in the ablation gear adjuster 70, each gear corresponds to a different ablation radio frequency parameter, and after a certain gear is selected by a doctor, the current ablation radio frequency parameter of the second microcontroller 41 is controlled to be modified into the ablation radio frequency parameter corresponding to the gear. The ablation gear adjuster 70 is in any form capable of achieving an adjusting function, such as a knob, a button, or a pull rod. In this embodiment, the ablation gear adjuster 70 is in the form of a key, and includes a shift-up key for lifting the current ablation gear by one step and a shift-down key for lowering the current ablation gear by one step. In other embodiments, a plurality of keys may be used to correspond to the first-stage ablation gears, which is not limited herein.
As shown in fig. 3, optionally, the low-temperature plasma rf ablatograph further includes a plasma inlet tube 81 and a plasma suction tube 82, and the electrode 50 is located on the water flow path of the plasma inlet tube 81 and the plasma suction tube 82.
In this embodiment, the low-temperature plasma rf ablation apparatus is additionally provided with the plasma water inlet pipe 81 and the plasma water suction pipe 82 on the electrode device 300, and in the ablation mode, the plasma physiological saline flowing out of the plasma water inlet pipe 81 flows through the damaged motor nerve and is then sucked away by the plasma water suction pipe 82. In the embodiment, the plasma water inlet pipe 81 and the plasma water suction pipe 82 are additionally arranged, so that the sufficient ion quantity of the low-temperature plasma radio-frequency ablation instrument in the ablation process is ensured, and the ablation treatment effect can be ensured by the sufficient ion quantity in the environment with weak voltage. In addition, the plasma water inlet pipe 81 and the plasma water suction pipe 82 are arranged on the electrode device 300, so that a doctor can complete the process of supplying plasma physiological saline when holding the electrode device 300 for ablation treatment, and the operation difficulty of the low-temperature plasma radiofrequency ablation instrument is reduced.
Optionally, the low-temperature plasma radiofrequency ablation instrument further comprises a mode switching key, and an output end of the mode switching key is electrically connected with a control end of the switching module.
The mode switching key is arranged outside the shell 200, and when a doctor presses the mode switching key in the using process, the low-temperature plasma radiofrequency ablation instrument can be switched between the stimulation mode and the ablation mode.
Further, the low-temperature plasma radiofrequency ablation instrument further comprises a foot switch, the foot switch comprises a stimulation pedal 91 and an ablation pedal 92, and the output end of the stimulation pedal 91 and the output end of the ablation pedal 92 are both electrically connected with the control end of the switching module 20.
In the process of carrying out the positioning and ablation treatment on the damaged motor nerve of the patient by the doctor, the physiological condition of the patient is observed by the patient for more time, and the switch key is far away from the shell 200, so that the mode switch key arranged outside the shell 200 is not convenient to use, the doctor needs to walk back and forth between the low-temperature plasma radio-frequency ablation instrument and the patient, and the treatment efficiency is reduced. In the embodiment, a foot switch is arranged for a doctor to step on the pedal in the treatment process so as to switch the low-temperature plasma radio-frequency ablation instrument between the stimulation mode and the ablation mode. The foot switch can be arranged under a sickbed of a patient, can also be arranged on the legs of a doctor to move along with the doctor, and can also be freely placed on the ground, and the doctor can randomly adjust the position of the foot switch in the treatment process so as to switch the current working mode of the low-temperature plasma radio-frequency ablation instrument through the foot switch. The foot switch comprises a stimulation pedal 91 and an ablation pedal 92, and when a doctor steps on the stimulation pedal 91, the working mode switched by the low-temperature plasma radiofrequency ablation instrument is switched to a stimulation mode; the operation mode of the low temperature plasma rf ablator switches to ablation mode when the physician depresses the ablation pedal 92.
Optionally, the low-temperature plasma rf ablation instrument further includes an alarm circuit 100, an input end of the alarm circuit 100 is electrically connected to an output end of the power supply circuit 10, the alarm circuit 100 includes a parameter checking unit 101 and an alarm 102, an input end of the parameter checking unit 101 is electrically connected to an output end of the electrode 50, and an output end of the parameter checking unit 101 is electrically connected to an input end of the alarm 102.
As shown in fig. 2, the alarm circuit 100 obtains electric energy from the power circuit 10, wherein a first input terminal of the parameter calibration unit 101 is electrically connected to the output terminal of the electrode 50 to measure the stimulation rf current/ablation rf current actually emitted by the electrode 50, and a second input terminal of the parameter calibration unit 101 is electrically connected to the output terminal of the first microcontroller 31 and the output terminal of the second microcontroller 41, respectively. In the stimulation mode, the parameter checking unit 101 compares whether each parameter value of the stimulation radio frequency current actually emitted by the electrode 50 acquired from the first input end is the same as the stimulation radio frequency parameter emitted by the first microcontroller 31 acquired from the second input end, and outputs an alarm signal to the alarm 102 if the parameter values are different; in the ablation mode, the parameter calibration unit 101 compares whether each parameter value of the ablation rf current actually emitted from the electrode 50, which is obtained from the first input end, is the same as the ablation rf parameter emitted from the second microcontroller 41, which is obtained from the second input end, and outputs an alarm signal to the alarm 102 if the parameter values are different. The alarm 102 receives the alarm signal to execute the alarm event, and the alarm 102 is any device capable of playing an alarm effect, such as a buzzer, an audible and visual alarm, a flashlight, and the like, which is not limited in the present application.
In this embodiment, when each parameter value of the stimulation radio frequency current emitted by the electrode 50 is different from the stimulation radio frequency parameter value set by the first microcontroller 31 or each parameter value of the ablation radio frequency current emitted by the electrode 50 is different from the ablation radio frequency parameter value set by the second microcontroller 41, the doctor is notified that the low-temperature plasma radio frequency ablation instrument fails at the first time through the alarm 102, and the doctor immediately turns off the low-temperature plasma radio frequency ablation instrument after knowing that the low-temperature plasma radio frequency ablation instrument fails, so as to avoid injury to the patient.
Optionally, the low-temperature plasma radiofrequency ablatograph further comprises a display 110, and an input end of the display 110 is electrically connected to an output end of the power circuit 10, an output end of the stimulation control circuit 30, and an output end of the ablation control circuit 40, respectively.
The display 110 obtains electric energy from the power circuit 10, wherein the input end of the display 110 is further electrically connected with the output end of the stimulation control circuit 30 and the output end of the ablation control circuit 40, and in the stimulation mode, the display 110 can obtain the stimulation radio frequency current emitted by the stimulation module 32, and finally display various parameter values of the stimulation radio frequency current through processing and analysis of the stimulation radio frequency current; in the ablation mode, the display 110 can acquire the ablation rf current emitted by the ablation module 42, and finally display various parameter values of the stimulation rf current through processing and analysis of the ablation rf current. The physician can know the magnitude of the parameter values of the stimulation rf current/ablation rf current currently emitted from the electrode 50 through the display 110, and can also adjust the parameter values conveniently.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A low-temperature plasma radio frequency ablation instrument is characterized by comprising a power supply circuit, a switching module, a stimulation control circuit, an ablation control circuit and an electrode, wherein the input end of the power supply circuit is connected with mains supply, the output end of the power supply circuit is electrically connected with the input end of the switching module, the output end of the switching module is electrically connected with the input end of the stimulation control circuit or the input end of the ablation control circuit, and the input end of the electrode is electrically connected with the output end of the stimulation control circuit and the output end of the ablation control circuit respectively;
the stimulation control circuit comprises a first microcontroller and a stimulation module, wherein the input end of the first microcontroller is electrically connected with the output end of the switching module, the output end of the first microcontroller is electrically connected with the input end of the stimulation module, and the output end of the stimulation module is electrically connected with the electrode, wherein the stimulation module is used for controlling the electrode to output corresponding stimulation radio frequency current according to stimulation radio frequency parameters input by the first microcontroller;
the ablation control circuit comprises a second microcontroller and an ablation module, wherein the input end of the second microcontroller is electrically connected with the output end of the switching module, the output end of the second microcontroller is electrically connected with the input end of the ablation module, and the output end of the ablation module is electrically connected with the electrode; the ablation module is used for controlling the electrodes to output corresponding ablation radio frequency current according to the ablation radio frequency parameters input by the second microcontroller.
2. The low-temperature plasma radio-frequency ablation instrument according to claim 1, further comprising a parameter regulator, wherein an output end of the parameter regulator is electrically connected with a control end of the first microcontroller.
3. The low-temperature plasma radio-frequency ablation instrument according to claim 1, further comprising an ablation gear adjuster, wherein an output end of the ablation gear adjuster is electrically connected with a control end of the second microcontroller.
4. The cryogenic plasma radio frequency ablator according to any one of claims 1 to 3, further comprising a plasma inlet tube and a plasma suction tube, the electrodes being located in the water flow path of the plasma inlet tube and the plasma suction tube.
5. The low-temperature plasma radio-frequency ablation instrument according to any one of claims 1 to 3, further comprising a foot switch, wherein the foot switch comprises a stimulation pedal and an ablation pedal, and an output end of the stimulation pedal and an output end of the ablation pedal are both electrically connected with the control end of the switching module.
6. The low-temperature plasma radio-frequency ablation instrument according to any one of claims 1 to 3, further comprising a mode switching key, wherein the output end of the mode switching key is electrically connected with the control end of the switching module.
7. The low-temperature plasma radio-frequency ablation instrument according to any one of claims 1 to 3, further comprising an alarm circuit, wherein an input end of the alarm circuit is electrically connected with an output end of the power supply circuit, the alarm circuit comprises a parameter correction unit and an alarm, an input end of the parameter correction unit is electrically connected with an output end of the electrode, and an output end of the parameter correction unit is electrically connected with an input end of the alarm.
8. The cryogenic plasma radio frequency ablation instrument according to any one of claims 1 to 3, further comprising a display, wherein an input terminal of the display is electrically connected with an output terminal of the power supply circuit, an output terminal of the stimulation control circuit and an output terminal of the ablation control circuit, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351006.9U CN212382731U (en) | 2017-10-19 | 2017-10-19 | Low-temperature plasma radio frequency ablation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351006.9U CN212382731U (en) | 2017-10-19 | 2017-10-19 | Low-temperature plasma radio frequency ablation instrument |
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| Publication Number | Publication Date |
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| CN212382731U true CN212382731U (en) | 2021-01-22 |
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| CN201721351006.9U Active CN212382731U (en) | 2017-10-19 | 2017-10-19 | Low-temperature plasma radio frequency ablation instrument |
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| CN (1) | CN212382731U (en) |
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