CN113081229A - Novel neutral electrode contact quality detection system and method - Google Patents
Novel neutral electrode contact quality detection system and method Download PDFInfo
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- CN113081229A CN113081229A CN202110369052.6A CN202110369052A CN113081229A CN 113081229 A CN113081229 A CN 113081229A CN 202110369052 A CN202110369052 A CN 202110369052A CN 113081229 A CN113081229 A CN 113081229A
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- 230000007935 neutral effect Effects 0.000 title claims abstract description 82
- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011159 matrix material Substances 0.000 claims abstract description 14
- 230000003993 interaction Effects 0.000 claims abstract description 10
- 239000000017 hydrogel Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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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
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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
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
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- Biomedical Technology (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a novel neutral electrode contact quality detection system and a method, wherein the system comprises a control unit and a neutral electrode end, wherein a neutral electrode impedance detection unit connected with the control unit detects the integral resistance value of the neutral electrode and the human tissue, and sends the detected resistance value to the control unit; the matrix type temperature sensor assembly at the neutral electrode end detects the temperature of the neutral electrode and the human tissue in real time, and transmits the temperature to the control unit through the matching of the data sending module and the information receiving module; the control unit judges the contact quality of the received resistance value and the received temperature value, and sends the judgment result to the human-computer interaction interface to display the contact quality result, so that the contact quality of each part of the neutral electrode can be known in real time, scalding caused by overhigh local temperature rise is avoided, and the beneficial effect of medical safety is improved.
Description
Technical Field
The invention relates to the technical field of medical technology, in particular to a novel neutral electrode contact quality detection system and method.
Background
At present, most of the electrosurgical systems use the neutral electrode as a return channel for the high frequency current, and at the same time, the neutral electrode serves to distribute the current density and dissipate the heat so as to control the temperature per unit area within a reasonable range (usually not exceeding the initial temperature of 6 ℃). The neutral electrode is pasted on the skin of a patient, a good pasting effect is achieved through reasonable external pressure, reliable contact in unit area is guaranteed, the contact alternating current impedance is in a reasonable range, and the single-chip neutral electrode is judged to be good in contact if the resistance value is not more than 20 omega under a certain alternating current frequency; the two-piece neutral electrode is generally considered to be in good contact within 5-135 omega under a certain frequency.
In the operation process, the neutral electrode contact quality detection system can detect the contact impedance in real time and dynamically feed back the contact state, such as good contact, early warning or overrun. The existing contact quality detection method only feeds back the integral contact condition of the neutral electrode, and has the following defects: 1) the contact quality of each unit area cannot be fed back in real time, so that the risk of scalding the patient due to overhigh local temperature exists; 2) when the contact quality is early-warned or exceeded, the detection system cannot provide guidance on how to adjust, and medical staff can only apply pressure blindly to improve the contact quality or replace the neutral electrode with a new one. Although an infrared thermometer is added for real-time temperature measurement in partial operations, some applied parts cannot be accurately detected.
Therefore, a novel system for detecting the contact quality of the neutral electrode is designed to solve the technical problems.
Disclosure of Invention
In order to solve the problems, the invention provides a novel system and a method for detecting the contact quality of a neutral electrode, which are used for detecting the overall contact quality, feeding back the temperature of a unit area, graphically displaying the real-time temperature of the unit area and improving the safety.
Based on the above, the invention provides a novel neutral electrode contact quality detection system, which comprises a control unit, a neutral electrode end, a power management unit, an information receiving module and a neutral electrode impedance detection unit, wherein the power management unit, the information receiving module and the neutral electrode impedance detection unit are respectively connected with the control unit; the neutral electrode end comprises a matrix type temperature sensor assembly and a data sending module, the matrix type temperature sensor assembly detects the temperature of the neutral electrode and the human tissue in real time, and the detected temperature value is transmitted to the control unit through the matching of the data sending module and the information receiving module; and the control unit judges the contact quality of the received resistance value and the received temperature value and sends the judgment result to the human-computer interaction interface for displaying the contact quality result.
In the technical scheme, the neutral electrode end comprises a bottom lining, a conductive film, bottom hydrogel, an FPC board, a top lining, top hydrogel and release paper are sequentially covered above the bottom lining, and the FPC board is connected with a signal cable.
In the above technical solution, the conductive film is a single sheet or a double sheet.
In the above technical solution, the matrix temperature sensor assembly includes a plurality of temperature sensor probes arranged in a matrix on the FPC board at an interval of 1cmx1 cm.
In the technical scheme, the contact quality comprises resistance quality and temperature quality, and the resistance quality is displayed by three results of good contact, orange early warning and red early warning; the temperature quality is shown by four results of good contact, mild poor, moderate poor and severe poor.
In the above technical solution, the resistance value with good contact in the resistance quality is: in the range of 6-136 ohms, the detection resistance value is in the range of R0-1.2R 0; the resistance value of the orange early warning is as follows: in the range of 6-136 ohms, the detection resistance value is in the range of 1.2R 0-1.45R 0; the resistance value of the red early warning is as follows: the detection resistance value is out of 136 ohms range, or in the range of 6-136 ohms, the detection resistance value is out of 1.45R0, wherein R0 is the initial detection resistance value, and R0 is dynamically updated to take the minimum value in the detection process.
In the technical scheme, the temperature rise value of good contact in the temperature quality is less than 4 ℃; the temperature rise value of the mild poor condition is more than or equal to 4 ℃ and less than 5 ℃; the moderate undesirable temperature rise value is greater than or equal to 5 ℃ and less than 6 ℃; the badly bad temperature rise value is more than or equal to 6 ℃.
In addition, the invention also provides a detection method of the novel neutral electrode contact quality system, which is characterized by comprising the following steps:
step S1: initializing communication of the neutral electrode contact quality system;
step S2: the neutral electrode end is attached to a patient, and the contact resistance value is initialized;
step S3: then further initializing the temperature value after the application;
step S4: detecting the resistance value of the application position in real time, transmitting the resistance value to the control unit for preliminary judgment of the contact quality, and dynamically adjusting a judgment threshold value;
step S5: detecting the temperature value of the application position in real time and transmitting the temperature value to the control unit for secondary judgment of the contact quality;
step S6: and performing contact quality display and voice early warning prompt through a human-computer interaction interface.
The invention discloses a novel neutral electrode contact quality detection system and a method, which comprises a control unit and a neutral electrode end, wherein a neutral electrode impedance detection unit connected with the control unit detects the integral resistance value of the neutral electrode pasted with human tissues and sends the detected resistance value to the control unit; the matrix type temperature sensor assembly at the neutral electrode end detects the temperature of the neutral electrode and the human tissue in real time, and transmits the temperature to the control unit through the matching of the data sending module and the information receiving module; the control unit judges the contact quality of the received resistance value and the received temperature value, and sends the judgment result to the human-computer interaction interface to display the contact quality result, so that the contact quality of each part of the neutral electrode can be known in real time, scalding caused by overhigh local temperature rise is avoided, and the beneficial effect of medical safety is improved.
Drawings
FIG. 1 is a block diagram of the system for detecting contact quality of a neutral electrode according to the present invention;
FIG. 2 is a schematic diagram of a neutral electrode tip configuration according to the present invention;
FIG. 3 is an enlarged view of the FPC board of FIG. 2;
FIG. 4 is a circuit diagram of the neutral electrode impedance detection unit and the neutral electrode terminal communication circuit of FIG. 1;
fig. 5 is a flow chart of a method of an electrode contact quality detection system of the present invention.
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, the novel system and method for detecting the contact quality of the neutral electrode disclosed by the invention comprise a control unit 1, a neutral electrode terminal 2, a power management unit 3, an information receiving module 4 and a neutral electrode impedance detection unit 5, wherein the power management unit 3, the information receiving module 4 and the neutral electrode impedance detection unit 5 are respectively connected with the control unit 1, and the control unit 1 is provided with a human-computer interaction interface 11.
The neutral electrode end 2 comprises a bottom lining 21, a conductive film 22, a bottom hydrogel 23, an FPC board 24, a top lining 25, a top hydrogel 26 and release paper 27, wherein the conductive film 22, the bottom hydrogel 23, the FPC board 24, the top lining 25, the top hydrogel 26 and the release paper 27 are sequentially covered on the bottom lining 21, and the FPC board 24 is connected with a signal cable 28. The conductive film 22 is a single-piece type or a double-piece type to form a single-piece neutral electrode or a double-piece neutral electrode, respectively, and in the illustration of fig. 2, the conductive film 22 is a double-piece type.
As shown in fig. 4, the neutral electrode impedance detecting unit 5 is connected to the neutral electrode terminal 2 through a neutral electrode interface 6, detects an overall resistance value R of the neutral electrode applied to the human tissue, and transmits the detected resistance value R to the control unit 1.
And the control unit 1 judges the contact quality of the received resistance value R and the temperature value T, and sends the judgment result to the human-computer interaction interface 11 for displaying the contact quality result.
The contact quality comprises resistance quality and temperature quality, and the resistance quality is displayed by three results of good contact, orange early warning and red early warning; specifically, the resistance value of the good contact is as follows: in the range of 6-136 ohms, the detection resistance value R is in the range of R0-1.2R 0; the resistance value of the orange early warning is as follows: in the range of 6-136 ohms, the detection resistance value R is in the range of 1.2R 0-1.45R 0; the resistance value of the red early warning is as follows: the detection resistance value R exceeds 136 ohm range, or exceeds 1.45R0 in the range of 6-136 ohm, wherein R0 is the initial detection resistance value, and R0 is dynamically updated to take the minimum value in the detection process
The temperature quality is divided into four results of good contact, mild poor contact, moderate poor contact and severe poor contact, and particularly, the temperature rise value of the good contact in the temperature quality is less than 4 ℃; the temperature rise value of the mild poor condition is more than or equal to 4 ℃ and less than 5 ℃; the moderate undesirable temperature rise value is greater than or equal to 5 ℃ and less than 6 ℃; the badly bad temperature rise value is more than or equal to 6 ℃. Wherein, the temperature rise value is the difference between the detected temperature value T and the initial temperature of the application.
In addition, as shown in fig. 5, the present invention also provides a method for detecting the above-mentioned novel neutral electrode contact quality system, which is characterized by comprising the following steps:
step S1: initializing communication of the neutral electrode contact quality system;
step S2: applying the neutral electrode end to a patient, and initializing a contact resistance value which can be recorded as R0;
step S3: then, the temperature value after the application is further initialized, and can be recorded as T0;
step S4: detecting the resistance value T of the application position in real time and transmitting the resistance value T to the control unit 1 for preliminary judgment of the contact quality, and dynamically adjusting a judgment threshold value, particularly explaining the tissue quality in the neutral electrode contact quality system;
step S5: detecting the temperature value T at the application position in real time and transmitting the temperature value T to the control unit 1 for secondary judgment of the contact quality, specifically, explaining the temperature quality in the neutral electrode contact quality system as described above;
step S6: and displaying the contact quality and prompting by voice early warning through the human-computer interaction interface 11, and repeatedly executing the step S4 and the subsequent steps to achieve real-time detection.
In summary, the novel system and method for detecting the contact quality of the neutral electrode comprises a control unit 1 and a neutral electrode terminal 2, wherein a neutral electrode impedance detection unit 5 connected with the control unit 1 detects the overall resistance value of the neutral electrode applied to the human tissue, and sends the detected resistance value to the control unit 1; the matrix type temperature sensor assembly 211 of the neutral electrode end 2 detects the temperature of the neutral electrode applied to the human tissue in real time, and transmits the temperature to the control unit 1 through the matching of the data sending module 212 and the information receiving module 4; the control unit 1 judges the contact quality of the received resistance value and the received temperature value, and sends the judgment result to the human-computer interaction interface 11 to display the contact quality result, so that the contact quality of each part of the neutral electrode can be known in real time, scalding caused by overhigh local temperature rise is avoided, and the beneficial effect of 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 (8)
1. A novel neutral electrode contact quality detection system is characterized by comprising a control unit, a neutral electrode end, a power management unit, an information receiving module and a neutral electrode impedance detection unit, wherein the power management unit, the information receiving module and the neutral electrode impedance detection unit are respectively connected with the control unit; the neutral electrode end comprises a matrix type temperature sensor assembly and a data sending module, the matrix type temperature sensor assembly detects the temperature of the neutral electrode and the human tissue in real time, and the detected temperature value is transmitted to the control unit through the matching of the data sending module and the information receiving module; and the control unit judges the contact quality of the received resistance value and the received temperature value and sends the judgment result to the human-computer interaction interface for displaying the contact quality result.
2. The system and the method for detecting the contact quality of the neutral electrode as claimed in claim 1, wherein the neutral electrode comprises a bottom lining, and a conductive film, a bottom hydrogel, an FPC board, a top lining, a top hydrogel and a release paper are sequentially covered on the bottom lining, and the FPC board is connected with a signal cable.
3. The novel neutral electrode contact quality detection system and method of claim 2 wherein said conductive film is monolithic or bi-sheet.
4. The novel neutral electrode contact quality detection system and method of claim 2, wherein said matrix-type temperature sensor assembly comprises a plurality of temperature sensor probes arranged in a matrix on said FPC board at 1cm x1cm intervals.
5. The novel neutral electrode contact quality detection system and method as claimed in claim 1, wherein the contact quality comprises resistance quality and temperature quality, and the resistance quality is divided into three results of good contact, orange early warning and red early warning; the temperature quality is shown by four results of good contact, mild poor, moderate poor and severe poor.
6. The novel neutral electrode contact quality detection system and method of claim 5, wherein the well-contacted resistance value in the resistance quality is: in the range of 6-136 ohms, the detection resistance value is in the range of R0-1.2R 0; the resistance value of the orange early warning is as follows: in the range of 6-136 ohms, the detection resistance value is in the range of 1.2R 0-1.45R 0; the resistance value of the red early warning is as follows: the detection resistance value is out of 136 ohms range, or in the range of 6-136 ohms, the detection resistance value is out of 1.45R0, wherein R0 is the initial detection resistance value, and R0 is dynamically updated to take the minimum value in the detection process.
7. The novel neutral electrode contact quality detection system and method of claim 5, wherein the temperature-quality good-contact temperature rise value is less than 4 ℃; the temperature rise value of the mild poor condition is more than or equal to 4 ℃ and less than 5 ℃; the moderate undesirable temperature rise value is greater than or equal to 5 ℃ and less than 6 ℃; the badly bad temperature rise value is more than or equal to 6 ℃.
8. A method for testing a novel neutral electrode contact quality system according to claims 1 to 7, comprising the steps of:
step S1: initializing communication of the neutral electrode contact quality system;
step S2: the neutral electrode end is attached to a patient, and the contact resistance value is initialized;
step S3: then further initializing the temperature value after the application;
step S4: detecting the resistance value of the application position in real time, transmitting the resistance value to the control unit for preliminary judgment of the contact quality, and dynamically adjusting a judgment threshold value;
step S5: detecting the temperature value of the application position in real time and transmitting the temperature value to the control unit for secondary judgment of the contact quality;
step S6: and performing contact quality display and voice early warning prompt through a human-computer interaction interface.
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| CN202110369052.6A CN113081229A (en) | 2021-04-06 | 2021-04-06 | Novel neutral electrode contact quality detection system and method |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060224150A1 (en) * | 2005-03-31 | 2006-10-05 | Sherwood Services Ag | Temperature regulating patient return electrode and return electrode monitoring system |
| CN1882289A (en) * | 2003-11-21 | 2006-12-20 | 玛格戴恩医疗产品公司 | Tuned return electrode with matching inductor |
| AU2011254083A1 (en) * | 2004-10-08 | 2012-01-19 | Covidien Ag | Devices for detecting heating under a patient return electrode |
| DE102010037653A1 (en) * | 2010-09-20 | 2012-03-22 | Erbe Elektromedizin Gmbh | Power supply device for supplying electrical power to monitoring device of neutral electrode of monopolar high frequency surgery device during e.g. treatment of patient, has power line outputting electrical power to monitoring device |
| US20140330266A1 (en) * | 2013-05-03 | 2014-11-06 | St. Jude Medical, Cardiology Division, Inc. | Ablation system, methods, and controllers |
| CN203935271U (en) * | 2014-07-03 | 2014-11-12 | 天津市赛盟医疗科技有限公司 | The high frequency electric knife of a kind of Real-Time Monitoring and demonstration neutral electrode temperature |
| CN109416943A (en) * | 2016-07-08 | 2019-03-01 | 通用电气公司 | Dynamic autoization of alert threshold rank adjusts |
| CN111163075A (en) * | 2019-12-25 | 2020-05-15 | 北京科东电力控制***有限责任公司 | Dynamic adjustment method for performance index threshold of power monitoring system equipment |
| CN111544109A (en) * | 2019-02-12 | 2020-08-18 | 四川锦江电子科技有限公司 | Multi-channel radio frequency output circuit and ablation equipment |
| CN212346708U (en) * | 2020-04-30 | 2021-01-15 | 湖南菁益医疗科技有限公司 | Electrosurgical system |
| CN112270814A (en) * | 2020-12-21 | 2021-01-26 | 长沙树根互联技术有限公司 | Dynamic alarm method, device, electronic equipment and readable storage medium |
| CN214666976U (en) * | 2021-04-06 | 2021-11-09 | 湖南菁益医疗科技有限公司 | Novel neutral electrode contact quality detection system |
-
2021
- 2021-04-06 CN CN202110369052.6A patent/CN113081229A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1882289A (en) * | 2003-11-21 | 2006-12-20 | 玛格戴恩医疗产品公司 | Tuned return electrode with matching inductor |
| AU2011254083A1 (en) * | 2004-10-08 | 2012-01-19 | Covidien Ag | Devices for detecting heating under a patient return electrode |
| US20060224150A1 (en) * | 2005-03-31 | 2006-10-05 | Sherwood Services Ag | Temperature regulating patient return electrode and return electrode monitoring system |
| DE102010037653A1 (en) * | 2010-09-20 | 2012-03-22 | Erbe Elektromedizin Gmbh | Power supply device for supplying electrical power to monitoring device of neutral electrode of monopolar high frequency surgery device during e.g. treatment of patient, has power line outputting electrical power to monitoring device |
| US20140330266A1 (en) * | 2013-05-03 | 2014-11-06 | St. Jude Medical, Cardiology Division, Inc. | Ablation system, methods, and controllers |
| CN203935271U (en) * | 2014-07-03 | 2014-11-12 | 天津市赛盟医疗科技有限公司 | The high frequency electric knife of a kind of Real-Time Monitoring and demonstration neutral electrode temperature |
| CN109416943A (en) * | 2016-07-08 | 2019-03-01 | 通用电气公司 | Dynamic autoization of alert threshold rank adjusts |
| CN111544109A (en) * | 2019-02-12 | 2020-08-18 | 四川锦江电子科技有限公司 | Multi-channel radio frequency output circuit and ablation equipment |
| CN111163075A (en) * | 2019-12-25 | 2020-05-15 | 北京科东电力控制***有限责任公司 | Dynamic adjustment method for performance index threshold of power monitoring system equipment |
| CN212346708U (en) * | 2020-04-30 | 2021-01-15 | 湖南菁益医疗科技有限公司 | Electrosurgical system |
| CN112270814A (en) * | 2020-12-21 | 2021-01-26 | 长沙树根互联技术有限公司 | Dynamic alarm method, device, electronic equipment and readable storage medium |
| CN214666976U (en) * | 2021-04-06 | 2021-11-09 | 湖南菁益医疗科技有限公司 | Novel neutral electrode contact quality detection system |
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