CN112798241A - Medical instrument reliability detection method aiming at temperature transformation - Google Patents
Medical instrument reliability detection method aiming at temperature transformation Download PDFInfo
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- CN112798241A CN112798241A CN202011531959.XA CN202011531959A CN112798241A CN 112798241 A CN112798241 A CN 112798241A CN 202011531959 A CN202011531959 A CN 202011531959A CN 112798241 A CN112798241 A CN 112798241A
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- test
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000009466 transformation Effects 0.000 title description 2
- 238000012360 testing method Methods 0.000 claims abstract description 140
- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000007906 compression Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims description 13
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 238000012669 compression test Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
Abstract
The invention provides a medical instrument reliability detection method aiming at temperature change, and relates to the technical field of medical instrument detection. The method for detecting the reliability of the medical instrument aiming at temperature change comprises the following steps: s1, selecting medical instruments, S2, testing at constant temperature, constant pressure and constant humidity, S3, detecting at variable temperature, and S4, comparing the compression resistance test with S5. The temperature change detection is carried out in the step S4, the temperature change test is carried out for five times, the temperature is changed in a wavy manner, so that the use effect of the medical equipment at the extreme speed change temperature can be detected, meanwhile, the compression resistance test is carried out in the step S5, and three medical instruments after the temperature change test are under different pressures, and the compression resistance test is carried out to detect the compression resistance of the medical instrument after the temperature change at different pressures, so that the compression resistance effect of the medical instrument at the extreme speed change temperature is detected.
Description
Technical Field
The invention relates to the technical field of medical instrument detection, in particular to a medical instrument reliability detection method aiming at temperature change.
Background
Medical devices refer to instruments, devices, apparatuses, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly in the human body, including computer software utilities needed primarily through physical, non-pharmacological, immunological or metabolic means, or through assistance in such means.
Because in the medical instrument market of recent years, some unqualified medical instrument products appear, can not be adapted to the work in extremely cold or extremely hot areas, in order to detect, can use some detection methods to test, but because do not carry out the disinfection of disinfecting of early stage to medical instrument in its test mode, cause the data accuracy to reduce, and the range of transform of temperature is less, can not accomplish the effect of its anti alternating temperature of show, after the alternating temperature is ended, do not carry out the resistance to compression detection simultaneously, can't learn its resistance to compression effect after the extremely fast alternating temperature.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for detecting the reliability of a medical instrument aiming at temperature change, which solves the problems that the accuracy of data is reduced, the temperature change amplitude is small, the temperature change resistant effect cannot be shown due to the fact that the medical instrument is not sterilized and disinfected in the early stage in a test mode, and meanwhile, after the temperature change is finished, the pressure resistance detection is not carried out, and the pressure resistance effect of the medical instrument after the temperature change at the extreme speed cannot be known.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a medical instrument reliability detection method aiming at temperature change comprises the following steps:
s1, selecting medical instruments
Selecting medical equipment of the same batch, sterilizing and cleaning, and drying in the air after cleaning is finished to ensure the dryness of the instruments;
s2, constant temperature, constant pressure and constant humidity test
Placing the selected medical instruments of the same batch in a constant-temperature, constant-humidity and constant-pressure environment for use, performing an experimental test for 30-60 minutes, and recording data as a constant-temperature, constant-humidity and constant-humidity test record after the test is finished;
s3, variable temperature detection
A. Selecting three medical instruments, enabling the temperature of the three medical instruments to be minus thirty ℃ to perform experimental tests for 30-60 minutes, and recording data as test records of the temperature of minus thirty ℃ after the tests are completed;
B. then, carrying out experimental test on three medical instruments at thirty ℃ for 30-60 minutes, and recording data as a test record at thirty ℃ after the test is finished;
C. carrying out an experimental test on three medical instruments at the temperature of minus fifty ℃ for 30-60 minutes, and recording data as a test record at the temperature of minus fifty ℃;
D. carrying out 30-60 minutes of experimental test on three medical instruments at the temperature of fifty ℃, and recording data as a test record at the temperature of fifty ℃;
E. carrying out 30-60 minutes of experimental test on three medical instruments at twenty ℃ and recording data as a test record at twenty ℃ after the test is finished;
s4. compression resistance test
The three tested medical instruments are subjected to 30-60 minutes of experimental tests in a constant-temperature environment under different pressures, and the test records are recorded as compression resistance test records;
s5, comparing experimental records
And checking the variable temperature test records of the three medical instruments, comparing, observing the adaptive capacity of the three medical instruments to the temperature change, detecting the compression resistance test records of the three medical instruments, and observing the influence on the compression resistance after the variable temperature test.
Preferably, the sterilization and cleaning time in the step S1 is 10 to 15 minutes.
Preferably, the pressure in the pressure resistance test in the step S5 is 90 kpa, 60 kpa, and 120 kpa.
Preferably, in the step S4, during the temperature conversion, the pressure during the conversion is kept constant and is not changed.
(III) advantageous effects
The invention provides a medical instrument reliability detection method aiming at temperature change. The method has the following beneficial effects:
1. according to the method for detecting the reliability of the medical instrument aiming at temperature change, the sterilization and disinfection are carried out in the step S1, so that the accuracy of test data in an experiment is ensured.
2. In the method for detecting the reliability of the medical instrument aiming at the temperature change, the temperature change detection is carried out in the step S4, the temperature change test is carried out for five times, and the temperature is changed in a wave shape, so that the use effect of the medical equipment at the extreme speed change temperature can be detected.
3. According to the method for detecting the reliability of the medical instrument aiming at the temperature change, the compression resistance test is carried out in the step S5, and the compression resistance test is carried out on three medical instruments subjected to the temperature change test under different pressure intensities, so that the compression resistance of the medical instrument subjected to the temperature change after different pressure intensities is detected, and the compression resistance effect of the medical instrument at the extreme-speed temperature change is detected.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
The first embodiment is as follows:
the embodiment of the invention provides a method for detecting the reliability of a medical instrument aiming at temperature change, which comprises the following steps:
s1, selecting medical instruments
Selecting medical equipment of the same batch, sterilizing and cleaning, and drying in the air after cleaning is finished to ensure the dryness of the instruments;
s2, constant temperature, constant pressure and constant humidity test
Placing the selected medical instruments of the same batch in a constant-temperature, constant-humidity and constant-pressure environment for use, performing 30-minute experimental tests, and recording data as constant-temperature, constant-humidity and constant-humidity test records after the tests are completed;
s3, variable temperature detection
A. Selecting three medical instruments, enabling the temperature of the three medical instruments to be minus thirty ℃ to perform an experimental test for 30 minutes, and recording data as a test record of the temperature of minus thirty ℃ after the test is completed;
B. then, three medical instruments are subjected to experimental tests for 30 minutes at the temperature of thirty ℃, and after the tests are finished, data are recorded as test records of the temperature of thirty ℃;
C. carrying out 30-minute experimental test on three medical instruments at the temperature of minus fifty ℃, and recording data as test records at the temperature of minus fifty ℃;
D. carrying out 30-minute experimental test on three medical instruments at the temperature of fifty ℃, and recording data as a test record of the temperature of fifty ℃ after the test is finished;
E. then, three medical instruments are subjected to 30-minute experimental tests at twenty ℃ and data are recorded as test records at twenty ℃ after the tests are finished;
s4. compression resistance test
The three tested medical instruments are subjected to 30-minute experimental tests under different pressures in a constant-temperature environment, and the test records are recorded as compression resistance test records;
s5, comparing experimental records
And checking the variable temperature test records of the three medical instruments, comparing, observing the adaptive capacity of the three medical instruments to the temperature change, detecting the compression resistance test records of the three medical instruments, and observing the influence on the compression resistance after the variable temperature test.
Example two:
the embodiment of the invention provides a method for detecting the reliability of a medical instrument aiming at temperature change, which comprises the following steps:
s1, selecting medical instruments
Selecting medical equipment of the same batch, sterilizing and cleaning, and drying in the air after cleaning is finished to ensure the dryness of the instruments;
s2, constant temperature, constant pressure and constant humidity test
Placing the selected medical instruments of the same batch in a constant-temperature, constant-humidity and constant-pressure environment for use, carrying out 60-minute experimental tests, and recording data as constant-temperature, constant-humidity and constant-humidity test records after the tests are finished;
s3, variable temperature detection
A. Selecting three medical instruments, enabling the temperature of the three medical instruments to be minus thirty ℃, carrying out 60-minute experimental tests, and recording data as test records with the temperature of minus thirty ℃ after the tests are finished;
B. then, three medical instruments are subjected to an experimental test for 60 minutes at the temperature of thirty ℃, and after the test is finished, data is recorded as a test record at the temperature of thirty ℃;
C. carrying out 60-minute experimental test on three medical instruments at the temperature of fifty ℃ below zero, and recording data as test records at the temperature of fifty ℃ below zero after the test is finished;
D. carrying out 60-minute experimental test on three medical instruments at the temperature of fifty ℃, and recording data as a test record of the temperature of fifty ℃ after the test is finished;
E. then, three medical instruments are subjected to an experimental test for 60 minutes at the temperature of twenty ℃, and after the test is finished, data recording is carried out, wherein the record is the test record of the temperature of twenty ℃;
s4. compression resistance test
The three tested medical instruments are subjected to 60-minute experimental tests under different pressures in a constant-temperature environment, and the test records are recorded as compression resistance test records;
s5, comparing experimental records
And checking the variable temperature test records of the three medical instruments, comparing, observing the adaptive capacity of the three medical instruments to the temperature change, detecting the compression resistance test records of the three medical instruments, and observing the influence on the compression resistance after the variable temperature test.
Example three:
the embodiment of the invention provides a method for detecting the reliability of a medical instrument aiming at temperature change, which comprises the following steps:
s1, selecting medical instruments
Selecting medical equipment of the same batch, sterilizing and cleaning, and drying in the air after cleaning is finished to ensure the dryness of the instruments;
s2, constant temperature, constant pressure and constant humidity test
Placing the selected medical instruments of the same batch in a constant-temperature, constant-humidity and constant-pressure environment for use, performing 45-minute experimental tests, and recording data as constant-temperature, constant-humidity and constant-humidity test records after the tests are completed;
s3, variable temperature detection
A. Selecting three medical instruments, enabling the temperature of the three medical instruments to be minus thirty ℃, carrying out 45-minute experimental tests, and recording data as test records with the temperature of minus thirty ℃ after the tests are finished;
B. then, three medical instruments are subjected to 45-minute experimental tests at thirty ℃ and data are recorded after the tests are finished, wherein the data are recorded as test records at thirty ℃ respectively;
C. carrying out 45-minute experimental test on three medical instruments at the temperature of minus fifty ℃, and recording data as test record at the temperature of minus fifty ℃ after the test is finished;
D. carrying out 45-minute experimental test on three medical instruments at the temperature of fifty ℃, and recording data as a test record of the temperature of fifty ℃ after the test is finished;
E. then, carrying out 45-minute experimental test on three medical instruments at the temperature of twenty ℃, and recording data as a test record at the temperature of twenty ℃ after the test is finished;
s4. compression resistance test
The three tested medical instruments are subjected to 45-minute experimental tests under different pressures in a constant-temperature environment, and the test records are recorded as compression resistance test records;
s5, comparing experimental records
And checking the variable temperature test records of the three medical instruments, comparing, observing the adaptive capacity of the three medical instruments to the temperature change, detecting the compression resistance test records of the three medical instruments, and observing the influence on the compression resistance after the variable temperature test.
The sterilization and cleaning time in the step S1 is 10-15 minutes, the pressure in the compression test in the step S5 is 90 kPa, 60 kPa and 120 kPa, the pressure during the temperature conversion in the step S4 is kept constant without changing, and the accuracy of the experiment is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A medical instrument reliability detection method aiming at temperature change is characterized in that: the method comprises the following steps:
s1, selecting medical instruments
Selecting medical equipment of the same batch, sterilizing and cleaning, and drying in the air after cleaning is finished to ensure the dryness of the instruments;
s2, constant temperature, constant pressure and constant humidity test
Placing the selected medical instruments of the same batch in a constant-temperature, constant-humidity and constant-pressure environment for use, performing an experimental test for 30-60 minutes, and recording data as a constant-temperature, constant-humidity and constant-humidity test record after the test is finished;
s3, variable temperature detection
A. Selecting three medical instruments, enabling the temperature of the three medical instruments to be minus thirty ℃ to perform experimental tests for 30-60 minutes, and recording data as test records of the temperature of minus thirty ℃ after the tests are completed;
B. then, carrying out experimental test on three medical instruments at thirty ℃ for 30-60 minutes, and recording data as a test record at thirty ℃ after the test is finished;
C. carrying out an experimental test on three medical instruments at the temperature of minus fifty ℃ for 30-60 minutes, and recording data as a test record at the temperature of minus fifty ℃;
D. carrying out 30-60 minutes of experimental test on three medical instruments at the temperature of fifty ℃, and recording data as a test record at the temperature of fifty ℃;
E. carrying out 30-60 minutes of experimental test on three medical instruments at twenty ℃ and recording data as a test record at twenty ℃ after the test is finished;
s4. compression resistance test
The three tested medical instruments are subjected to 30-60 minutes of experimental tests in a constant-temperature environment under different pressures, and the test records are recorded as compression resistance test records;
s5, comparing experimental records
And checking the variable temperature test records of the three medical instruments, comparing, observing the adaptive capacity of the three medical instruments to the temperature change, detecting the compression resistance test records of the three medical instruments, and observing the influence on the compression resistance after the variable temperature test.
2. The method for detecting the reliability of the medical instrument aiming at the temperature change as claimed in claim 1, wherein: and the sterilization and cleaning time in the step S1 is 10-15 minutes.
3. The method for detecting the reliability of the medical instrument aiming at the temperature change as claimed in claim 1, wherein: the pressure in the compression test in the step S5 is 90 kpa, 60 kpa, and 120 kpa.
4. The method for detecting the reliability of the medical instrument aiming at the temperature change as claimed in claim 1, wherein: in the step S4, in the process of temperature conversion, the pressure intensity is kept constant during conversion and is not changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011531959.XA CN112798241A (en) | 2020-12-28 | 2020-12-28 | Medical instrument reliability detection method aiming at temperature transformation |
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| CN202011531959.XA CN112798241A (en) | 2020-12-28 | 2020-12-28 | Medical instrument reliability detection method aiming at temperature transformation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985299A (en) * | 2022-04-20 | 2022-09-02 | 杭州德适生物科技有限公司 | Medical instrument cleaning and disinfecting management system based on big data |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010216875A (en) * | 2009-03-13 | 2010-09-30 | Nagano Science Kk | Monitor system of environment testing equipment |
| US20100291524A1 (en) * | 2007-09-07 | 2010-11-18 | Waseda University | Endurance test apparatus for medical instrument and endurance test method |
| CN105300660A (en) * | 2015-09-18 | 2016-02-03 | 成都虹昇光电科技有限公司 | Method for testing reliability of laser projector |
| CN110398349A (en) * | 2019-07-11 | 2019-11-01 | 广东科鉴检测工程技术有限公司 | A kind of active medical instrument reliability test method based on typical environment stress |
| CN110426189A (en) * | 2019-07-11 | 2019-11-08 | 广东科鉴检测工程技术有限公司 | A kind of active medical instrument reliability test method based on combined stress |
| CN209927603U (en) * | 2018-12-28 | 2020-01-10 | 巨翊医疗科技(苏州)有限公司 | Pressure testing machine for medical instrument test |
-
2020
- 2020-12-28 CN CN202011531959.XA patent/CN112798241A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100291524A1 (en) * | 2007-09-07 | 2010-11-18 | Waseda University | Endurance test apparatus for medical instrument and endurance test method |
| JP2010216875A (en) * | 2009-03-13 | 2010-09-30 | Nagano Science Kk | Monitor system of environment testing equipment |
| CN105300660A (en) * | 2015-09-18 | 2016-02-03 | 成都虹昇光电科技有限公司 | Method for testing reliability of laser projector |
| CN209927603U (en) * | 2018-12-28 | 2020-01-10 | 巨翊医疗科技(苏州)有限公司 | Pressure testing machine for medical instrument test |
| CN110398349A (en) * | 2019-07-11 | 2019-11-01 | 广东科鉴检测工程技术有限公司 | A kind of active medical instrument reliability test method based on typical environment stress |
| CN110426189A (en) * | 2019-07-11 | 2019-11-08 | 广东科鉴检测工程技术有限公司 | A kind of active medical instrument reliability test method based on combined stress |
Non-Patent Citations (5)
| Title |
|---|
| 张鹏等: "压力蒸汽灭菌装备质量控制检测标准与检测装置研发", 《中国医学装备》 * |
| 武晔卿等: "可靠性技术在医学仪器中的应用", 《中国医学装备》 * |
| 王明刚等: "海上环境中生命支持类医疗设备质量检测的实践与思考", 《中国医疗设备》 * |
| 郁红漪等: "国产医用电气设备可靠性提高方法研究", 《中国医疗器械杂志》 * |
| 金旭: "医疗器械密封性测试时应注意的10个方面", 《中国医疗器械信息》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985299A (en) * | 2022-04-20 | 2022-09-02 | 杭州德适生物科技有限公司 | Medical instrument cleaning and disinfecting management system based on big data |
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Application publication date: 20210514 |