CN113109388A - Method for detecting temperature resistance failure of electrode coating in electrosurgery - Google Patents
Method for detecting temperature resistance failure of electrode coating in electrosurgery Download PDFInfo
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- CN113109388A CN113109388A CN202110402457.5A CN202110402457A CN113109388A CN 113109388 A CN113109388 A CN 113109388A CN 202110402457 A CN202110402457 A CN 202110402457A CN 113109388 A CN113109388 A CN 113109388A
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- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Abstract
The invention discloses a method for detecting the temperature resistance failure of an electrode coating in an electrosurgery, which comprises the steps of selecting a plurality of electrode samples in the electrosurgery, respectively numbering and marking, putting the electrode samples in a high-temperature oven for high-temperature treatment, and then collecting the surface coatings of the samples of all devices; respectively putting the collected coatings into a beaker filled with medical alcohol, treating in ultrasonic waves and collecting solution; then extracting a plurality of solution specimens subjected to ultrasonic treatment, adding flushing liquid, sealing, turning for a plurality of times, and standing to serve as test solution; placing the test solution in a sampling cup, standing until the test solution is degassed, placing a small amount of test solution in a test chamber of a particle detector for multiple times, and stirring and mixing; finally, after the test is finished, respectively counting the number of insoluble particles with the particle size of more than or equal to 10 microns and 25 microns, abandoning the first measurement data, and taking the average value of the subsequent test solutions as the measurement result; the detection method achieves the effects of simple operation and easy implementation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a method for detecting temperature resistance failure of an electrode coating in an electrosurgical operation.
Background
With the global demand for medical facilities increasing and awareness of the risk of spreading infection in medical facilities increasing, the market demand for medical coatings is growing significantly. The data shows that the global medical paint market size will reach $ 151.5 billion by 2021 with a 7.04% annual composite growth rate. In recent years, foreign manufacturers have introduced various special coatings for medical devices, such as non-stick coatings, anti-biological corrosion coatings, insulating coatings, high biocompatibility coatings, antibacterial coatings, high temperature sterilization coatings, drug release coatings, and the like. The coatings can play the roles of increasing the application range of medical appliance products, prolonging the service life of medical appliances, improving the use effect of the medical appliances and the like. However, while these specialized coatings are being introduced, rapid inspection methods and criteria for these coatings are lacking in practical use.
Many small and medium-sized companies can only entrust some third-party detection mechanisms in China because large-sized detection equipment cannot be purchased, and the mechanisms rely on expensive equipment of the mechanisms, so that the performances of the coatings can be detected, but the time is long, and many small and medium-sized companies cannot spend time. When the electrosurgical electrode is used, high heat is generated, the performance of the coating of the device is affected by the increase of the temperature, and a detection method capable of rapidly detecting the temperature resistance failure of the coating of the electrosurgical electrode is required.
The judgment of whether the coating fails at high temperature cannot be judged by naked eyes. Because the failure of the electrode coating for the electrosurgery cannot be distinguished by conventional means or experience, the failure is generally detected by a third-party detection mechanism or a college laboratory through large-scale precise instrument equipment, for example, whether the structure is damaged or not and whether cracks are generated after the coating is subjected to high temperature is observed under a scanning electron microscope, the detection time required for obtaining the result by the detection mechanism is very long, a plurality of matched precise experimental instruments are provided, and the detection cost is overhigh, the invention designs the method for detecting the temperature resistance failure of the electrode coating for the electrosurgery, and the method can meet the requirements of the medical instrument industry.
Disclosure of Invention
In order to solve the problems, the invention provides a method for detecting the temperature-resistant failure of the electrode coating of the electrosurgery, which is simple to operate and easy to implement.
Based on the above, the invention provides a method for detecting the temperature-resistant failure of an electrode coating of an electrosurgical operation, which comprises the following steps: s1, selecting a plurality of electrosurgical operation electrode samples, respectively numbering and marking, placing the electrosurgical operation electrode samples into a high-temperature oven for high-temperature treatment, and collecting surface coatings of the equipment samples; s2, respectively putting the collected coatings into a beaker filled with medical alcohol, processing the coatings in ultrasonic waves, and collecting solution; s3, extracting a plurality of solution samples after ultrasonic treatment, adding flushing liquid, sealing, turning for a plurality of times, and standing to serve as test solution; s4, placing the test solution in a sampling cup, standing until the test solution is degassed, placing a small amount of test solution in a test chamber of a particle detector from the sampling cup for multiple times, and stirring and mixing uniformly; s5, respectively counting the number of insoluble particles with the particle size of more than or equal to 10 microns and 25 microns after the final test is finished, abandoning the first measurement data, and taking the average value of the subsequent test solutions as the measurement result; s6, when the number of insoluble fine particles having a particle size of 10 μm or more does not exceed 6000 and the number of insoluble fine particles having a particle size of 25 μm or more does not exceed 600 in the measurement results, the sample is a sample in which the heat resistance does not deteriorate.
In the above technical solution, in the step S1, the number of the electrosurgical electrode samples is greater than or equal to 10.
In the above technical solution, in the step S1, the temperature of the high temperature oven is 600 ℃, and the high temperature treatment time is 1 hour.
In the above-described embodiment, in step S3, 10 samples of the sonicated solution are extracted, and 100mL of a rinse solution is added to each square centimeter of the sample in which 1mL of water for microparticle examination is added.
In the above technical solution, in the step S3, the number of times of turning is 20, and the time of standing is 2 minutes.
In the above technical solution, in the step S4, the total volume of the sample solution in the sampling cup is not less than 25ml, and the standing time is 2 minutes.
In the above technical solution, in the step S4, the sample is taken from the sample cup for 4 times, and not less than 5ml of the sample solution should be placed in the test chamber of the particle detector.
The invention relates to a method for detecting the temperature resistance failure of an electrode coating in an electrosurgery, which comprises the steps of selecting a plurality of electrode samples in the electrosurgery, respectively numbering and marking the electrode samples, putting the electrode samples in a high-temperature oven for high-temperature treatment, and collecting the surface coatings of the equipment samples; respectively putting the collected coatings into a beaker filled with medical alcohol, treating in ultrasonic waves and collecting solution; then extracting a plurality of solution specimens subjected to ultrasonic treatment, adding flushing liquid, sealing, turning for a plurality of times, and standing to serve as test solution; placing the test solution in a sampling cup, standing until the test solution is degassed, placing a small amount of test solution in a test chamber of a particle detector for multiple times, and stirring and mixing; finally, after the test is finished, respectively counting the number of insoluble particles with the particle size of more than or equal to 10 microns and 25 microns, abandoning the first measurement data, and taking the average value of the subsequent test solutions as the measurement result; the detection method achieves the effects of simple operation and easy implementation.
Drawings
FIG. 1 is a flow chart of the detection method of the present invention;
FIG. 2 is a comparison graph of two samples tested in an example of the testing method of the present invention;
FIG. 3 is a schematic diagram showing the detection of insoluble particles in 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.
The detection method of the temperature resistance failure of the coating of the invention relates to the following principle: the base material of the electrode coating for the electrosurgery mainly comprises high molecular polymer. The acting force among atoms on the macromolecular chains of the high molecular polymer is a covalent bond, the acting force among the molecular chains is a Van der Waals bond and a hydrogen bond, all the macromolecular chains in the high molecular polymer are combined together through the acting force among the molecules, the molecular thermal motion energy is increased along with the rise of the temperature, the macromolecular bond energy is more and more alive, when the temperature reaches a certain critical temperature (namely T > Tg and Tg glass transition temperature), the molecular thermal motion energy is enough to overcome internal rotation potential energy, at the moment, the chain segment motion is excited, and the chain segment can continuously change conformation through the internal rotation of the single bond on the main chain to adapt to the external force, wherein even part of the chain segment generates slippage.
The polymer is heated continuously, the temperature is increased to a certain value (namely T is greater than Tf, Tf flowing temperature), and then the high molecular polymer generates viscous flow under the action of external force, namely viscous flow state, which is the macroscopic expression of mutual sliding of the whole molecular chains and is irreversible deformation. The high molecular polymer is converted from the original glass state to the viscous state, and the number and the size of particles in the softening state of the high molecular polymer are detected by an insoluble particle detection system shown in figure 3 by utilizing the characteristic of the viscous state, so that whether the electrode coating of the electrosurgery fails or not is judged. The principle of the insoluble particle detection system is that when the particles in the liquid pass through a narrow detection channel, the incident light perpendicular to the liquid flow direction is attenuated by being blocked by the particles, so that the signal output by the sensor is reduced, and the signal change is related to the size of the cross-sectional area of the particles. And judging the particle size of the particles according to the signal and the difference of the sectional areas, and counting the number of the particles.
Specifically, the method for detecting the temperature failure resistance of the electrode coating for the electrosurgical operation disclosed by the present invention is shown in fig. 1 and 2, and includes the following steps:
s1, selecting a plurality of electrosurgical operation electrode samples, respectively numbering and marking, placing the electrosurgical operation electrode samples into a high-temperature oven for high-temperature treatment, and collecting surface coatings of the equipment samples;
specifically, in this embodiment, taking an electrode sample for an electrosurgical operation with teflon paint (a) and ceramic paint (B) as an example, 40 samples of the electrode for the electrosurgical operation with teflon paint (a) and ceramic paint (B) are taken and divided into an experimental group and a control group, wherein each group includes 10 electrodes, each group of the electrodes is numbered, the experimental group is placed in a high-temperature oven to be processed at a high temperature of 600 ℃ for 1 hour, then, the surface coating of each device sample is collected, and the control group is not processed at the high temperature;
step S2, respectively putting the collected coatings into a beaker filled with medical alcohol, processing the coatings in ultrasonic waves, and collecting solution;
specifically, each collected coating experiment sample is separately put into 75% medical alcohol for ultrasonic treatment, and solution is collected;
s3, extracting a plurality of solution specimens subjected to ultrasonic treatment, adding flushing liquid, sealing, turning for a plurality of times, and standing to serve as a test solution;
specifically, 10 samples of the ultrasonic-treated experimental sample solution are randomly extracted, 1mL of water for particle examination is added per square centimeter, 100mL of flushing fluid is added, the sample solution is sealed, and the sample solution is carefully turned over on a purification table for 20 times and stands for 2 minutes to serve as test solution;
s4, placing the test solution in a sampling cup, standing until the test solution is degassed, taking a small amount of test solution from the sampling cup for multiple times, placing the small amount of test solution in a test chamber of a particle detector, and stirring and uniformly mixing;
specifically, a sample solution with a total volume of not less than 25ml is taken and placed in a sampling cup, the sample solution is kept stand for 2 minutes or for a proper time until bubbles are removed, and then the sample solution is placed in a testing chamber of a particle detector. Starting stirring to mix the solution uniformly (avoiding generating bubbles), and measuring for 4 times by a method, wherein each time of sampling is not less than 5 ml;
and step S5, counting the number of insoluble particles with the particle size of more than or equal to 10 μm and 25 μm respectively after the test is finished, discarding the first measurement data, taking the average value of the subsequent 3 times of test solutions as the measurement result, and recording the detection data of the insoluble particles.
In step S6, if the number of insoluble fine particles having a particle size of 10 μm or more does not exceed 6000 and the number of insoluble fine particles having a particle size of 25 μm or more does not exceed 600 in the measurement results, the sample is one in which the temperature resistance does not fail at 600 ℃.
Therefore, the method for detecting the temperature resistance failure of the coating has the following effects:
1. the experimental design is carried out aiming at whether the temperature resistance of the electrode coating of the electrosurgery fails, and the experiment provides an important direction for detecting the failure standard of the temperature-resistant coating;
2. the principle and the scheme are clearly designed, so that the temperature-resistant failure detection result of the electrode coating for the electrosurgery is reasonable and scientific;
3. the detection method has the advantages of simple and convenient operation, low detection cost and short detection time;
4. the method sets the judgment standard of the temperature resistance failure of the electrode coating of the electrosurgery, determines the detection way and scheme, and can be used as an important criterion for judging whether the temperature resistance coating of the electrosurgery fails.
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 (7)
1. A method for detecting temperature-resistant failure of an electrode coating of an electrosurgical operation is characterized by comprising the following steps:
s1, selecting a plurality of electrosurgical operation electrode samples, respectively numbering and marking, placing the electrosurgical operation electrode samples into a high-temperature oven for high-temperature treatment, and collecting surface coatings of the equipment samples;
s2, respectively putting the collected coatings into a beaker filled with medical alcohol, processing the coatings in ultrasonic waves, and collecting solution;
s3, extracting a plurality of solution samples after ultrasonic treatment, adding flushing liquid, sealing, turning for a plurality of times, and standing to serve as test solution;
s4, placing the test solution in a sampling cup, standing until the test solution is degassed, placing a small amount of test solution in a test chamber of a particle detector from the sampling cup for multiple times, and stirring and mixing uniformly;
s5, respectively counting the number of insoluble particles with the particle size of more than or equal to 10 microns and 25 microns after the test is finished, abandoning the first measurement data, and taking the average value of the subsequent test solutions as the measurement result;
s6, when the number of insoluble fine particles having a particle size of 10 μm or more does not exceed 6000 and the number of insoluble fine particles having a particle size of 25 μm or more does not exceed 600 in the measurement results, the sample is a sample in which the heat resistance does not deteriorate.
2. The method for detecting temperature failure resistance of an electrosurgical electrode coating according to claim 1, wherein in step S1, the number of electrosurgical electrode samples is 10 or more.
3. The method for detecting temperature failure resistance of an electrosurgical electrode coating according to claim 2, wherein in the step S1, the temperature of the high temperature oven is 600 ℃, and the high temperature treatment time is 1 hour.
4. The method of claim 3, wherein in step S3, 10 samples of the sonicated solution are sampled, and 100mL of rinsing fluid is added based on 1mL of particle inspection water per square centimeter.
5. The method for detecting temperature failure of an electrosurgical electrode coating according to claim 4, wherein in step S3, the number of turns is 20, and the standing time is 2 minutes.
6. The method for detecting temperature failure resistance of an electrosurgical electrode coating according to claim 5, wherein in step S4, the total volume of the test solution in the sampling cup is not less than 25ml, and the standing time is 2 minutes.
7. The method for detecting temperature failure of an electrosurgical electrode coating according to claim 6, wherein in step S4, samples are taken from the sampling cup 4 times, and not less than 5ml of the test solution should be placed in the testing chamber of the particle testing apparatus.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109379A (en) * | 2021-04-14 | 2021-07-13 | 湖南菁益医疗科技有限公司 | Electrosurgical electrode and coating failure detection method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091237A (en) * | 2013-01-10 | 2013-05-08 | 湘潭大学 | Spray gun device for simulating high-temperature erosive corrosive service environment of thermal barrier coating |
| CN108507941A (en) * | 2018-03-27 | 2018-09-07 | 苏州桓晨医疗科技有限公司 | A kind of detection method of polymeric coating layer fastness |
| CN111504900A (en) * | 2020-06-11 | 2020-08-07 | 山东省医疗器械产品质量检验中心 | Medical catheter coating firmness testing machine and testing method |
| CN111721703A (en) * | 2020-06-28 | 2020-09-29 | 山东省医疗器械产品质量检验中心 | Method for testing coating firmness at balloon of medical catheter |
| CN212674740U (en) * | 2020-07-10 | 2021-03-09 | 山东省医疗器械产品质量检验中心 | Horizontal medical catheter coating firmness testing machine |
-
2021
- 2021-04-14 CN CN202110402457.5A patent/CN113109388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091237A (en) * | 2013-01-10 | 2013-05-08 | 湘潭大学 | Spray gun device for simulating high-temperature erosive corrosive service environment of thermal barrier coating |
| CN108507941A (en) * | 2018-03-27 | 2018-09-07 | 苏州桓晨医疗科技有限公司 | A kind of detection method of polymeric coating layer fastness |
| CN111504900A (en) * | 2020-06-11 | 2020-08-07 | 山东省医疗器械产品质量检验中心 | Medical catheter coating firmness testing machine and testing method |
| CN111721703A (en) * | 2020-06-28 | 2020-09-29 | 山东省医疗器械产品质量检验中心 | Method for testing coating firmness at balloon of medical catheter |
| CN212674740U (en) * | 2020-07-10 | 2021-03-09 | 山东省医疗器械产品质量检验中心 | Horizontal medical catheter coating firmness testing machine |
Non-Patent Citations (3)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局: "GB8368-2018 一次性使用输液器 重力输液式", 《中华人民共和国标准》 * |
| 嵇扬 等: "超声处理对光阻法测定注射液中不溶性微粒的影响", 《解放军药学学报》 * |
| 黄万育 等: "光阻法考察20种小容量静脉注射液不溶性微粒", 《中国药师》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109379A (en) * | 2021-04-14 | 2021-07-13 | 湖南菁益医疗科技有限公司 | Electrosurgical electrode and coating failure detection method thereof |
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