CN114280501A - High-frequency leakage current detection method and device for high-frequency electrotome - Google Patents
High-frequency leakage current detection method and device for high-frequency electrotome Download PDFInfo
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Abstract
The invention discloses a high-frequency leakage current detection method and device of a high-frequency electrotome, which are applied to a control module of the high-frequency leakage current detection device of the high-frequency electrotome. The control module firstly obtains a value of a first current output to the first electrode by the high-frequency energy generator through the first current detection module, then obtains a value of a second current returned to the high-frequency energy generator by the second electrode through the second current detection module, wherein the second current is obtained after the first current passes through an object, and finally obtains a value of a leakage current according to a difference value of the first current and the value of the second current, so that the high-frequency leakage current can be monitored in real time during the operation of the high-frequency electrotome, and the safety and the reliability of the operation are improved.
Description
Technical Field
The invention relates to the technical field of high-frequency electrotome leakage current detection, in particular to a high-frequency electrotome leakage current detection method and device.
Background
The high-frequency electric knife is a medical surgical operation electric device which can replace a mechanical scalpel to cut biological tissues. When the current generated by the two output electrodes of the high-frequency electrotome is contacted with the human body, the tissue is heated, the separation and the solidification of the tissue of the human body are realized, and therefore the purposes of cutting and hemostasis are achieved. The high-frequency leakage current is non-functional current of two output electrodes of the high-frequency electrotome to the ground, has no effect on the operation, can cause burn of a patient and environmental pollution, and reduces the safety and reliability of the operation.
Disclosure of Invention
The invention aims to provide a high-frequency leakage current detection method and device of a high-frequency electrotome, which can realize real-time monitoring of high-frequency leakage current during operation of the high-frequency electrotome and improve the safety and reliability of an operation.
In order to solve the technical problem, the invention provides a high-frequency leakage current detection method of a high-frequency electrotome, which is applied to a control module of a high-frequency leakage current detection device of the high-frequency electrotome, wherein the high-frequency leakage current detection device of the high-frequency electrotome also comprises a high-frequency energy generator, a first current detection module, a second current detection module, a first electrode and a second electrode, wherein the high-frequency energy generator is arranged in a high-frequency electrotome main machine;
the high-frequency leakage current detection method of the high-frequency electrotome comprises the following steps:
acquiring a value of a first current output to the first electrode by the high-frequency energy generator through the first current detection module;
acquiring a value of a second current returned from the second electrode to the high-frequency energy generator by the second current detection module; the second current is obtained by the first current after passing through the object;
and obtaining the value of the leakage current according to the difference value of the first current value and the second current value.
Preferably, the first electrode is one of a monopolar electrode and a bipolar electrode, and the second electrode is the other of a neutral electrode and a bipolar electrode.
Preferably, the frequency of the first current generated by the high frequency energy generator is greater than 200 KHz.
Preferably, the high-frequency leakage current detection device of the high-frequency electrotome further comprises a prompt module;
the high-frequency leakage current detection method of the high-frequency electrotome further comprises the following steps:
and controlling the prompt module to prompt when the value of the leakage current is greater than a preset threshold value of the leakage current.
Preferably, after obtaining the value of the leakage current according to the difference between the value of the first current and the value of the second current, the method further includes:
and controlling the high-frequency energy generator to stop outputting the first current when the value of the leakage current is larger than the threshold value of the preset leakage current.
Preferably, the threshold of the preset leakage current is 150 mA.
In order to solve the technical problem, the invention also provides a high-frequency leakage current detection device of the high-frequency electrotome, which comprises a high-frequency energy generator, a first current detection module, a second current detection module, a control module, a first electrode and a second electrode, wherein the high-frequency energy generator, the first current detection module and the second current detection module are arranged in a high-frequency electrotome main machine;
the high-frequency energy generator is used for generating a first current with the frequency higher than a frequency threshold value, outputting the first current to the first electrode, and receiving a second current with the frequency higher than the frequency threshold value, which is returned by the second electrode, wherein the second current is obtained by passing the first current through an object;
the first current detection module is used for detecting the first current to obtain a value of the first current;
the second current detection module is used for detecting the second current to obtain a value of the second current;
the control module is used for obtaining a leakage current value according to a difference value between the first current value and the second current value.
Preferably, the method further comprises the following steps:
and the prompting module is used for prompting when the value of the leakage current is greater than the threshold value of the preset leakage current.
Preferably, the control module is further configured to control the high-frequency energy generator to stop outputting the first current when the value of the leakage current is greater than a threshold of a preset leakage current.
The invention discloses a high-frequency leakage current detection method and device of a high-frequency electrotome, which are applied to a control module of the high-frequency leakage current detection device of the high-frequency electrotome. The control module firstly obtains a value of a first current output to the first electrode by the high-frequency energy generator through the first current detection module, then obtains a value of a second current returned to the high-frequency energy generator by the second electrode through the second current detection module, wherein the second current is obtained after the first current passes through an object, and finally obtains a value of a leakage current according to a difference value of the first current and the value of the second current, so that the high-frequency leakage current can be monitored in real time during the operation of the high-frequency electrotome, and the safety and the reliability of the operation are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic flow chart of a high-frequency leakage current detection method for a high-frequency electrotome according to the present invention;
fig. 2 is a schematic diagram of a high-frequency leakage current detection device of a high-frequency electrotome according to the present invention.
Detailed Description
The core of the invention is to provide a high-frequency leakage current detection method and a high-frequency leakage current detection device for a high-frequency electrotome, which realize real-time monitoring of the high-frequency leakage current during the operation of the high-frequency electrotome and improve the safety and reliability of the operation.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for detecting a high-frequency leakage current of a high-frequency electrotome according to the present application.
The invention provides a high-frequency leakage current detection method of a high-frequency electrotome, which is applied to a control module of a high-frequency leakage current detection device of the high-frequency electrotome, wherein the high-frequency leakage current detection device of the high-frequency electrotome also comprises a high-frequency energy generator 1, a first current detection module 2, a second current detection module 3, a first electrode 4 and a second electrode 5 in a high-frequency electrotome host;
the high-frequency leakage current detection method of the high-frequency electrotome comprises the following steps:
s11: the value of a first current output to a first electrode 4 by a high-frequency energy generator 1 is obtained through a first current detection module 2;
s12: the value of a second current returned from the second electrode 5 to the high-frequency energy generator 1 is obtained through the second current detection module 3; the second current is obtained by the first current after passing through the object;
s13: and obtaining the value of the leakage current according to the difference value of the first current and the value of the second current.
The high-frequency surgical equipment can realize the rapid cutting of biological tissues by utilizing the heat effect generated by the high-frequency alternating current, can stop bleeding, has good hemostatic effect and is convenient to operate. The high-frequency electrotome can be used for greatly shortening the operation time, reducing the blood loss of patients and reducing the operation risk clinically. However, the high-frequency electrotome has high-frequency leakage current in the working process, and when the high-frequency leakage current is too large, a patient can be burnt and the environment can be polluted.
In order to solve the above technical problems, in the present application, in order to improve the safety and reliability of the operation, the high frequency leakage current detection method of the high frequency electric knife is applied to the control module of the high frequency leakage current detection device of the high frequency electric knife, and the high frequency leakage current detection device of the high frequency electric knife further includes a high frequency energy generator 1, a first current detection module 2, a second current detection module 3, a first electrode 4, and a second electrode 5 in the high frequency electric knife host. Specifically, during the operation of the high-frequency electrotome, the high-frequency energy generator 1 generates a first current with a frequency higher than a frequency threshold, and the first current is applied to an object through the first electrode 4, wherein the object can be a patient undergoing a high-frequency electrotome operation, and the first current passes through the object to obtain a second current with a frequency higher than the frequency threshold, and then the second current is returned to the high-frequency energy generator 1 through the second electrode 5. In this process, a part of the first current passing through the object passes through the ground to form a leakage current, which flows back to the high-frequency energy generator 1. The first current detection module 2 detects a value of the first current in the process to obtain a value of the first current, the second current detection module 3 detects a value of the second current in the process to obtain a value of the second current, and the first current detection module 2 and the second current detection module 3 may be, but are not limited to, current sensors. The control module can obtain the value of the leakage current according to the difference value of the first current and the value of the second current, so that the leakage current generated by the high-frequency electrotome can be detected in real time in the operation process, the operation is simple, and the detection efficiency is high.
In addition, the first electrode 4 and the second electrode 5 may be, but are not limited to, bipolar electrodes.
In conclusion, the high-frequency leakage current detection method of the high-frequency electrotome can realize real-time detection of the first current and the second current to obtain the leakage current in the working process of the high-frequency electrotome, and improves the safety and reliability of the operation.
On the basis of the above-described embodiment:
as a preferred embodiment, the first electrode 4 is one pole of a monopolar or bipolar electrode and the second electrode 5 is the other pole of a neutral or bipolar electrode.
In this embodiment, the first electrode 4 is a monopolar electrode or a bipolar electrode, the second electrode 5 is a neutral electrode or a bipolar electrode, and in the operation of the radio-frequency knife, the first electrode 4 is a monopolar electrode and the second electrode 5 is a neutral electrode, for example, a first current is applied to the subject via the monopolar electrode, and a second current is obtained by applying the neutral electrode to the body surface of the subject and returning the second current to the radio-frequency energy generator 1 of the radio-frequency knife. When the high-frequency electrotome is used, high-frequency current with high current density is gathered to directly destroy tissues below a contact point with the tip of the monopolar electrode. To avoid further heating of the tissue as the current is returned from the subject to the high frequency knife, and thus burning the subject, the neutral electrode may employ a connecting channel having a relatively large area in contact with the subject to provide a lower impedance and lower current density, thereby reducing the risk of burning a body part that may come into contact with ground.
As a preferred embodiment, the first current generated by the high frequency energy generator 1 has a frequency greater than 200 KHz.
In this embodiment, the frequency of the first current generated by the high-frequency energy generator 1 is greater than 200KHz, each pulse time of the generated first current is short, a large amount of heat energy can be generated, the operation is performed by using the thermal effect of the high-frequency oscillation current, so that the moisture in the tissue is instantaneously evaporated, the tissue below the first electrode 4 is rapidly split into a non-bleeding incision, the blood in the blood vessel is coagulated, and the cut small blood vessel is coagulated to achieve the purposes of coagulation and cutting.
As a preferred embodiment, the high-frequency leakage current detection device of the high-frequency electrotome further comprises a prompting module;
the high-frequency leakage current detection method of the high-frequency electrotome further comprises the following steps:
and the control prompting module prompts when the value of the leakage current is larger than the threshold value of the preset leakage current.
In order to prompt the user in time when the leakage current is too high, in this embodiment, the leakage current detection device of the high-frequency electrotome further comprises a prompt module, the control module can control the prompt module to prompt the user to perform a corresponding regulation and control mechanism when the value of the leakage current is greater than a preset leakage current threshold value, for example, the prompt module can be an audible and visual alarm module, audible and visual alarm can be started when the leakage current is greater than the preset leakage current threshold value, so that the user can be timely alarmed when the high-frequency electrotome breaks down, so that danger is avoided in the operation process, and the practicability is high.
As a preferred embodiment, after obtaining the value of the leakage current according to the difference between the value of the first current and the value of the second current, the method further includes:
and controlling the high-frequency energy generator 1 to stop outputting the first current when the value of the leakage current is larger than the threshold value of the preset leakage current.
In order to further reduce the safety risk of the high-frequency electrotome during the operation, in this embodiment, the control module controls the first current output by the high-frequency energy generator 1 when the value of the leakage current generated by the high-frequency electrotome during the operation is greater than the threshold of the preset leakage current, and stops the output of the first current, so that the generation of the leakage current can be stopped in time, and the safety risk is reduced.
As a preferred embodiment, the threshold of the preset leakage current is 150 mA.
In this embodiment, the threshold of the preset leakage current is set at 150mA, and the high-frequency electrotome starts the regulation mechanism when the generated leakage current exceeds the preset leakage current in the working process, so as to prevent the excessive leakage current from passing through the internal organs of the human body, and improve the safety and reliability of the operation.
Referring to fig. 2, fig. 2 is a schematic diagram of a high-frequency leakage current detection device of a high-frequency electrotome according to the present application.
The invention also provides a high-frequency leakage current detection device of the high-frequency electrotome, which comprises a high-frequency energy generator 1, a first current detection module 2, a second current detection module 3, a control module, a first electrode 4 and a second electrode 5 in a high-frequency electrotome main machine;
the high-frequency energy generator 1 is used for generating a first current with the frequency higher than a frequency threshold value, outputting the first current to the first electrode 4, and receiving a second current with the frequency higher than the frequency threshold value, which is returned by the second electrode 5, wherein the second current is obtained by passing the first current through an object;
the first current detection module 2 is used for detecting a first current to obtain a value of the first current;
the second current detection module 3 is used for detecting a second current to obtain a value of the second current;
the control module is used for obtaining the value of the leakage current according to the difference value of the first current and the value of the second current.
For the introduction of the high-frequency leakage current detection device of the high-frequency electrotome, please refer to the above method embodiment, and the details of the invention are not repeated herein.
As a preferred embodiment, the method further comprises the following steps:
and the prompting module is used for prompting when the value of the leakage current is greater than the threshold value of the preset leakage current.
As a preferred embodiment, the control module is further configured to control the high-frequency energy generator 1 to stop outputting the first current when the value of the leakage current is greater than a threshold value of a preset leakage current.
It is to be noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The high-frequency leakage current detection method of the high-frequency electrotome is characterized in that the method is applied to a control module of a high-frequency leakage current detection device of the high-frequency electrotome, and the high-frequency leakage current detection device of the high-frequency electrotome also comprises a high-frequency energy generator, a first current detection module, a second current detection module, a first electrode and a second electrode, wherein the high-frequency energy generator, the first current detection module and the second current detection module are arranged in a high-frequency electrotome main machine;
the high-frequency leakage current detection method of the high-frequency electrotome comprises the following steps:
acquiring a value of a first current output to the first electrode by the high-frequency energy generator through the first current detection module;
acquiring a value of a second current returned from the second electrode to the high-frequency energy generator by the second current detection module; the second current is obtained by the first current after passing through the object;
and obtaining the value of the leakage current according to the difference value of the first current value and the second current value.
2. The method for detecting a high-frequency leakage current of a high-frequency electrotome according to claim 1, wherein said first electrode is a one-pole electrode of a monopolar electrode or a bipolar electrode, and said second electrode is a neutral electrode or the other-pole electrode of said bipolar electrode.
3. The method for detecting a high-frequency leakage current of a high-frequency electrotome according to claim 1, wherein said first current generated by said high-frequency power generator has a frequency of more than 200 KHz.
4. The high-frequency leakage current detection method of a high-frequency electrotome according to claim 1, wherein the high-frequency leakage current detection device of the high-frequency electrotome further comprises a prompt module;
the high-frequency leakage current detection method of the high-frequency electrotome further comprises the following steps:
and controlling the prompt module to prompt when the value of the leakage current is greater than a preset threshold value of the leakage current.
5. The method for detecting a high-frequency leakage current of a high-frequency electrotome according to any one of claims 1 to 4, wherein after obtaining the value of the leakage current from the difference between the value of the first current and the value of the second current, the method further comprises:
and controlling the high-frequency energy generator to stop outputting the first current when the value of the leakage current is larger than the threshold value of the preset leakage current.
6. The method for detecting a high-frequency leakage current of a high-frequency electrotome according to claim 5, wherein the threshold value of the preset leakage current is 150 mA.
7. A high-frequency leakage current detection device of a high-frequency electrotome is characterized by comprising a high-frequency energy generator, a first current detection module, a second current detection module, a control module, a first electrode and a second electrode, wherein the high-frequency energy generator, the first current detection module and the second current detection module are arranged in a high-frequency electrotome main machine;
the high-frequency energy generator is used for generating a first current with the frequency higher than a frequency threshold value, outputting the first current to the first electrode, and receiving a second current with the frequency higher than the frequency threshold value, which is returned by the second electrode, wherein the second current is obtained by passing the first current through an object;
the first current detection module is used for detecting the first current to obtain a value of the first current;
the second current detection module is used for detecting the second current to obtain a value of the second current;
the control module is used for obtaining a leakage current value according to a difference value between the first current value and the second current value.
8. The high-frequency leakage current detecting device for a high-frequency electrotome according to claim 7, further comprising:
and the prompting module is used for prompting when the value of the leakage current is greater than the threshold value of the preset leakage current.
9. The high-frequency leakage current detection device for the high-frequency electric knife according to claim 7 or 8, wherein the control module is further configured to control the high-frequency energy generator to stop outputting the first current when the value of the leakage current is greater than a threshold value of a preset leakage current.
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2021
- 2021-12-27 CN CN202111612605.2A patent/CN114280501A/en active Pending
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