CN112914745B - Self-adaptive dynamic neutral electrode contact quality detection method - Google Patents
Self-adaptive dynamic neutral electrode contact quality detection method Download PDFInfo
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- CN112914745B CN112914745B CN202110368056.2A CN202110368056A CN112914745B CN 112914745 B CN112914745 B CN 112914745B CN 202110368056 A CN202110368056 A CN 202110368056A CN 112914745 B CN112914745 B CN 112914745B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00755—Resistance or impedance
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00875—Resistance or impedance
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00898—Alarms or notifications created in response to an abnormal condition
Abstract
The invention discloses a self-adaptive dynamic neutral electrode contact quality detection method, which comprises the steps of measuring an equivalent resistance value after inserting a biplate negative plate, recording the resistance value as an initial value if the resistance value is judged to be in accordance with a first resistance value range, monitoring a detection value of the biplate negative plate in real time, judging whether the detection value is larger than a threshold value if the detection value is not smaller than the initial value, and alarming if the detection value is larger than the threshold value; if the value is not greater than the threshold value, continuously monitoring; when the detection value is smaller than the initial value, the detection value is updated to be the initial value and the dynamic threshold value is updated; if the equivalent resistance value is judged not to be in accordance with the preset first resistance value range, alarming and prompting are carried out; after the single negative plate is inserted, monitoring the detection value of the single negative plate in real time, and continuously monitoring if the detection value meets a preset second resistance value range; if the resistance value does not meet the preset second resistance value range, an alarm is given, and the detection method is used for detecting, dynamically adjusting and judging in real time, so that the thermal damage to a patient caused by the contact quality problem of the negative plate is avoided, and the medical safety is improved.
Description
Technical Field
The invention relates to the technical field of medicine, in particular to a method for detecting contact quality of a self-adaptive dynamic neutral electrode.
Background
The neutral electrode is used as an important component of a current loop formed by the high-frequency operation system and a patient, a safe return path is directly provided for current generated by functional operations such as cutting, coagulation and the like performed by the patient, and the patient is prevented from being scalded due to overhigh local temperature, so that the safety of the patient can be directly influenced by the function of the neutral electrode negative plate, and the negative plate is an important component which cannot be ignored in the high-frequency operation system of the electrosurgery.
Under the pulse of a certain frequency, the single-chip neutral electrode has good contact when the resistance value is not more than the unipolar threshold value; the resistance value of the double-sheet neutral electrode is good contact within a certain range under the pulse of a certain frequency. During operation, the neutral electrode quality detection system can detect contact impedance in real time and dynamically feed back the contact state.
The current contact quality detection method has the following defects in the current situation that the overall contact quality of the neutral electrode is fed back: 1) due to the fact that the existing method is large in resistance value feedback error, the risk of false triggering early warning exists; 2) when the contact quality is early-warned or exceeded, the operation can only be suspended, and the medical staff can only apply pressure blindly to improve the contact quality or replace a new neutral electrode; 3) at present, an early warning value or an alarm value is still a fixed value, and the clinical practical use requirements cannot be fully met.
Therefore, it is necessary to design an adaptive dynamic neutral electrode contact quality detection method.
Disclosure of Invention
In order to solve the problems, the invention provides a self-adaptive dynamic neutral electrode contact quality detection method which can accurately and safely detect in real time and dynamically adjust, judge and remind, thereby avoiding the thermal injury to a patient caused by the negative plate contact quality problem and improving the medical safety.
Based on the above, the invention provides a self-adaptive dynamic neutral electrode contact quality detection method, which comprises the following steps:
detecting and judging whether the inserted neutral electrode is a double-sheet negative plate or not;
if yes, namely the inserted neutral electrode is a biplate negative plate, measuring the equivalent resistance value and judging whether the equivalent resistance value conforms to a preset first resistance value range; if so, namely the measured equivalent resistance value meets a preset first resistance value range, recording the resistance value as an initial value; then monitoring the detection value of the double-sheet negative plate in real time and judging whether the detection value is smaller than the initial value, if not, namely the detection value is not smaller than the initial value, judging whether the detection value is larger than a threshold value; if so, namely when the detection value is larger than the threshold value, performing alarm prompt in the human-computer interaction unit; if not, namely when the detection value is not greater than the threshold value, real-time monitoring is carried out; if yes, namely the detection value is smaller than the initial value, updating the detection value to be the initial value, and updating the dynamic threshold value; if not, namely the measured equivalent resistance value does not conform to the preset first resistance value range, alarming and prompting are carried out on the human-computer interaction unit;
if not, the inserted neutral electrode is a single negative plate, changing a display icon on a human-computer interaction interface, and then monitoring the detection value of the single negative plate in real time; judging whether the detection value accords with a preset second resistance value range or not; if yes, namely the detection value accords with a preset second resistance value range, continuously monitoring in real time and repeating the steps; if not, namely the detection value does not accord with the preset second resistance value range, the human-computer interaction unit carries out alarm prompt.
In the above technical solution, the first resistance range is 5 Ω to 135 Ω.
In the above technical solution, the threshold is 1.4 times of the initial value and is at most 135 Ω.
In the above technical solution, the second resistance range is 0 Ω to 20 Ω.
In the above technical solution, the alarm of the human-computer interaction unit includes a sound prompt, an interface prompt and a light prompt.
In the technical scheme, the sound prompt is a buzzer of the human-computer interaction unit for alarming, the interface prompt is an alarm interface popped up on the interface of the human-computer interaction unit, and the light prompt is a background led of the human-computer interaction unit inserted into the interface of the neutral electrode and displayed in red.
The invention relates to a self-adaptive dynamic neutral electrode contact quality detection method, which comprises the steps of measuring an equivalent resistance value after inserting a double-sheet negative plate, recording the resistance value as an initial value if the equivalent resistance value is judged to be in accordance with a first resistance value range, monitoring a detection value of the double-sheet negative plate in real time, judging whether the detection value is larger than a threshold value if the detection value is not smaller than the initial value, and alarming if the detection value is larger than the threshold value; if the current value is not greater than the threshold value, continuously monitoring; when the detection value is smaller than the initial value, the detection value is updated to be the initial value and the dynamic threshold value is updated; if the equivalent resistance value is judged not to be in accordance with the preset first resistance value range, alarming and prompting are carried out; after the single negative plate is inserted, monitoring the detection value of the single negative plate in real time, and continuously monitoring if the detection value meets a preset second resistance value range; if the resistance value does not meet the preset second resistance value range, an alarm is given, and the detection method is used for detecting, dynamically adjusting and judging in real time, so that the thermal damage to a patient caused by the contact quality problem of the negative plate is avoided, and the medical safety is improved.
Drawings
FIG. 1 is a block diagram of a detection system involved in the contact quality detection method of the present invention;
FIG. 2 is a flow chart of a contact quality detection method of the present invention;
FIG. 3 is a display icon when the neutral electrode is a single negative plate;
fig. 4 is a display icon when the neutral electrode is a two-piece negative plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, in the adaptive dynamic neutral electrode contact quality detection method disclosed in the present invention, the contact quality detection system includes a human patient 1, a negative electrode plate docking unit 2 of a neutral electrode, a docking unit 3 of an operation electrode, a main control unit 4, a buzzer 5 of a human-computer interaction unit connected to the main control unit, a display screen 6 of the human-computer interaction unit, and an led7 of the human-computer interaction unit.
The main control unit 4 controls the output of the function and energy of the high-frequency operation system, the energy is transmitted to the human patient 1 through the butt joint unit 3 of the operation electrode, the negative plate of the neutral electrode attached to the human patient 1 is connected back to the high-frequency operation system through the negative plate butt joint unit 2 of the neutral electrode, a safe current loop is provided for the operation, meanwhile, the detected signal is transmitted to the main control unit 4 through the detection channel to be processed, and the main control unit 4 correspondingly sends out the processed result through the buzzer 5 of the human-computer interaction unit, the display screen 6 of the human-computer interaction unit and the led7 of the human-computer interaction unit to remind the user of sound, interface and light respectively.
Specifically, the self-adaptive dynamic neutral electrode contact quality detection method comprises the following steps:
firstly, detecting and judging whether an inserted neutral electrode is a biplate negative plate or not;
if yes, namely the inserted neutral electrode is a biplate negative plate, measuring the equivalent resistance value and judging whether the equivalent resistance value conforms to a preset first resistance value range; if the measured equivalent resistance value meets a preset first resistance value range, recording the resistance value as an initial value R0; in the present embodiment, the first resistance value ranges from 5 Ω to 135 Ω.
Then, monitoring the detection value R of the double-piece negative plate in real time and judging whether the detection value R is smaller than the initial value R0, if the detection value R is not smaller than the initial value R0, judging whether the detection value R is larger than a threshold value; in the present embodiment, the threshold is 1.4 times the initial value R0 and 135 Ω at maximum. If the detection value R is larger than 1.4R0 or larger than 135 omega, an alarm is prompted in the human-computer interaction unit; and if the detection value R is not more than 1.4R0 or not more than 135 omega, continuously monitoring and judging in real time.
If the detection value R is smaller than the initial value R0, the detection value R is updated to be a new initial value R0, and the dynamic threshold value is updated, namely the judgment steps are repeated after 1.4R0 is updated, so that the detection is continuously performed, the minimum detection value is taken as a new initial value, the threshold value is correspondingly dynamically adjusted, the clinical actual use requirements are fully met, and different patients are adapted.
And if the measured equivalent resistance value does not accord with the preset first resistance value range, alarming and prompting are carried out on the human-computer interaction unit.
If the inserted neutral electrode is a single-chip negative plate, changing a display icon on a human-computer interaction interface, and then monitoring the detection value R of the single-chip negative plate in real time; and then determining whether the detection value R meets a preset second resistance range, in this embodiment, the second resistance range is 0 Ω to 20 Ω.
If the detection value R accords with a preset second resistance value range, continuously monitoring in real time and repeating the steps; and if the detection value R does not accord with the preset second resistance value range, alarming and prompting are carried out on the human-computer interaction unit.
The alarm of the human-computer interaction unit comprises a sound prompt, an interface prompt and a light prompt, the sound prompt is the alarm of the buzzer 5 of the human-computer interaction unit, the interface prompt is a warning interface popped up on the interface of the display screen 6 of the human-computer interaction unit, and the light prompt is displayed in red for a background led7 inserted into a neutral electrode interface of the human-computer interaction unit.
In summary, the method for detecting the contact quality of the self-adaptive dynamic neutral electrode comprises the steps of measuring the equivalent resistance value after the double-piece negative plate is inserted, recording the resistance value as an initial value if the resistance value is judged to be in accordance with the first resistance value range, monitoring the detection value of the double-piece negative plate in real time, judging whether the detection value is larger than a threshold value if the detection value is not smaller than the initial value, and alarming if the detection value is larger than the threshold value; if the value is not larger than the threshold value, the monitoring is continued; when the detection value is smaller than the initial value, the detection value is updated to be the initial value and the dynamic threshold value is updated; if the equivalent resistance value is judged not to be in accordance with the preset first resistance value range, alarming and prompting are carried out; after the single negative plate is inserted, monitoring the detection value of the single negative plate in real time, and continuously monitoring if the detection value meets a preset second resistance value range; if the resistance value does not meet the preset second resistance value range, an alarm is given, and the detection method is used for detecting, dynamically adjusting and judging in real time, so that the thermal damage to a patient caused by the contact quality problem of the negative plate is avoided, and the medical safety is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. A self-adaptive dynamic neutral electrode contact quality detection method is characterized by comprising the following steps:
detecting and judging whether the inserted neutral electrode is a double-sheet negative plate or not;
if yes, namely the inserted neutral electrode is a biplate negative plate, measuring the equivalent resistance value and judging whether the equivalent resistance value conforms to a preset first resistance value range; if so, namely the measured equivalent resistance value meets a preset first resistance value range, recording the resistance value as an initial value; then monitoring the detection value of the double-sheet negative plate in real time and judging whether the detection value is smaller than the initial value, if not, namely the detection value is not smaller than the initial value, judging whether the detection value is larger than a threshold value; if so, namely when the detection value is larger than the threshold value, performing alarm prompt in the human-computer interaction unit; if not, namely when the detection value is not greater than the threshold value, real-time monitoring is carried out; if yes, namely the detection value is smaller than the initial value, the detection value is updated to be the initial value, and the dynamic threshold value is updated; if not, namely the measured equivalent resistance value does not conform to the preset first resistance value range, alarming and prompting are carried out on the human-computer interaction unit;
if not, the inserted neutral electrode is a single negative plate, changing a display icon on a human-computer interaction interface, and then monitoring the detection value of the single negative plate in real time; judging whether the detection value accords with a preset second resistance value range or not; if yes, namely the detection value accords with a preset second resistance value range, continuously monitoring in real time and repeating the steps; if not, namely the detection value does not accord with the preset second resistance value range, the human-computer interaction unit carries out alarm prompt.
2. The method of claim 1, wherein the first resistance value ranges from 5 Ω to 135 Ω.
3. The method of claim 2, wherein the threshold is 1.4 times and 135 Ω maximum of an initial value.
4. The adaptive dynamic neutral electrode contact quality detection method of claim 3, wherein the second resistance range is 0 Ω to 20 Ω.
5. The method according to claim 1, wherein the alarm of the human-computer interaction unit comprises a sound prompt, an interface prompt and a light prompt.
6. The method according to claim 5, wherein the sound prompt is a buzzer alarm of the human-computer interaction unit, the interface prompt is a pop-up alarm interface on an interface of the human-computer interaction unit, and the light prompt is displayed in red for a background led inserted into the interface of the neutral electrode by the human-computer interaction unit.
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| CN202443069U (en) * | 2012-02-27 | 2012-09-19 | 安徽英特电子有限公司 | Monitoring circuit for contact quality of neutral electrode |
| CN105832402A (en) * | 2011-06-20 | 2016-08-10 | 厄比电子医学有限责任公司 | Method for the control of a medical device as a function of neutral electrode impedance |
| CN106377257A (en) * | 2016-08-30 | 2017-02-08 | 苏州品诺维新医疗科技有限公司 | Information feedback method and apparatus |
| CN110573210A (en) * | 2017-04-28 | 2019-12-13 | 提维克健康系统股份有限公司 | Adaptive trigger for microcurrent stimulation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201088626Y (en) * | 2007-11-09 | 2008-07-23 | 上海沪通电子有限公司 | Resonant dual disc neutral electrode observation system |
| US8419727B2 (en) * | 2010-03-26 | 2013-04-16 | Aesculap Ag | Impedance mediated power delivery for electrosurgery |
| CN106580322A (en) * | 2016-12-15 | 2017-04-26 | 芯海科技（深圳）股份有限公司 | Human body impedance measuring method with high repeatability |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832402A (en) * | 2011-06-20 | 2016-08-10 | 厄比电子医学有限责任公司 | Method for the control of a medical device as a function of neutral electrode impedance |
| CN202443069U (en) * | 2012-02-27 | 2012-09-19 | 安徽英特电子有限公司 | Monitoring circuit for contact quality of neutral electrode |
| CN106377257A (en) * | 2016-08-30 | 2017-02-08 | 苏州品诺维新医疗科技有限公司 | Information feedback method and apparatus |
| CN110573210A (en) * | 2017-04-28 | 2019-12-13 | 提维克健康系统股份有限公司 | Adaptive trigger for microcurrent stimulation device |
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