CN112710411A - Temperature testing device for hot pad type therapeutic instrument - Google Patents
Temperature testing device for hot pad type therapeutic instrument Download PDFInfo
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- CN112710411A CN112710411A CN202011487514.6A CN202011487514A CN112710411A CN 112710411 A CN112710411 A CN 112710411A CN 202011487514 A CN202011487514 A CN 202011487514A CN 112710411 A CN112710411 A CN 112710411A
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 239000012774 insulation material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000004907 flux Effects 0.000 abstract description 2
- 238000005286 illumination Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 2
- 208000005392 Spasm Diseases 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 206010006811 Bursitis Diseases 0.000 description 1
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 208000001640 Fibromyalgia Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- 208000008930 Low Back Pain Diseases 0.000 description 1
- 208000007101 Muscle Cramp Diseases 0.000 description 1
- 206010034464 Periarthritis Diseases 0.000 description 1
- 208000016247 Soft tissue disease Diseases 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 208000000491 Tendinopathy Diseases 0.000 description 1
- 206010043255 Tendonitis Diseases 0.000 description 1
- 238000009098 adjuvant therapy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
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- 208000005801 spondylosis Diseases 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
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- 201000004415 tendinitis Diseases 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/08—Warming pads, pans or mats; Hot-water bottles
Abstract
The invention discloses a temperature testing device of a hot pad type therapeutic instrument. The invention belongs to the technical field of detection, and comprises a front plate, a front plate and a rear plate, wherein the front plate is a constant temperature box and a constant temperature water tank; three temperature sensors, a copper tube and a fan are arranged in the thermostat; the inside of the constant-temperature water tank is provided with a heater, a compressor, a stirrer, a temperature controller and a magnetic water pump which are connected through wired lines, and the magnetic water pump is connected with a red copper tube in the constant-temperature box through wired lines. By measuring and researching the illumination uniformity and luminous flux of the medical cold light source, the developed detection device has positive effects on implementation and promotion of relevant standard specifications, is very important for daily detection and maintenance of main quality parameters of the medical cold light source and understanding of the performance state of the medical cold light source, can effectively avoid medical accidents caused by the quality of the cold light source, and reduces clinical use risks.
Description
Technical Field
The invention relates to the technical field of detection, is applied to temperature detection of a hot pad type therapeutic apparatus, and particularly relates to a temperature testing device of a hot pad type therapeutic apparatus.
Background
The thermal pad type therapeutic apparatus is an apparatus for treating a patient in a heat conduction manner by using a thermal effect generated by a thermal pad placed on a part of the patient's body. Which is placed on or under the patient, is bendable but not foldable, and is a medical treatment device with a flexible application part for locally heating the body of the patient by means of heat conduction.
The hot pad type therapeutic apparatus generally has a temperature adjusting function and can keep the therapeutic surface to fluctuate within a small range under a set temperature. In operation, by maintaining the temperature of the treatment surface within a small range of fluctuations, thermal energy is conductively transferred to the body (or part thereof) in contact with the treatment surface. The instrument has the effects of dispelling wind and removing dampness, promoting blood circulation and relieving pain, dredging channels and expelling cold, removing blood stasis and resolving hard mass, relieving pain, detumescence, diminishing inflammation, relieving spasm, promoting blood circulation, improving tissue nutrition, and accelerating metabolism, can be used for relieving diseases such as muscle spasm, bursitis, tendonitis, and fibromyalgia, has adjuvant treatment effect on cervical spondylosis, scapulohumeral periarthritis, lumbago and skelalgia, bone joint and soft tissue diseases, and can be used for treating many common diseases and chronic diseases.
The thermal cushion type therapeutic apparatus generally comprises a main machine, a therapeutic surface contacted with a human body, a temperature protection device, electrodes and other parts; the heat cushion type therapeutic apparatus outputs pulse through two channels, and can be used for treating one affected part by one person or treating two affected parts by one person or treating two persons simultaneously. The pulse frequency and time can be automatically changed, and the pulse treatment wave can be locked to carry out repeated treatment. Large screen display, simple operation and suitability for middle-aged and elderly people.
Therefore, the temperature is a main parameter for inspecting the quality of the hot pad type therapeutic apparatus, and the minimum temperature, the maximum temperature, the accuracy, the stability, the uniformity and the like of the temperature are main quality indexes for inspecting the quality of the hot pad type therapeutic apparatus. At present, the local and national measurement and detection regulations of the thermal pad type therapeutic instrument in China are not available, the unique industry standard YY/T0165-.
Therefore, in order to solve the above problems, a temperature testing device for a thermal pad type therapeutic apparatus is provided, which can detect the temperature indexes such as the lowest temperature, the highest temperature, the accuracy, the stability, the uniformity and the like of the temperature, can add tiles for the outlet of the related measurement and detection regulations of the local and the country, and can also avoid medical accidents caused by reasons such as inaccurate and unstable temperature and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a temperature testing device of a hot pad type therapeutic instrument; the method is mainly used for verifying the temperature performance index of the hot pad.
The technical scheme of the invention is as follows: a temperature testing device of a hot cushion type therapeutic instrument comprises a constant temperature water tank and a constant temperature box with an open front plate and a cubic shape;
the constant temperature box comprises a top plate, side plates at two sides, a rear plate and a bottom plate;
three temperature sensors are arranged in the thermostat and are respectively arranged on the inner walls of a top plate, a rear plate and a bottom plate of the thermostat;
a copper tube coiled into a spiral shape is arranged in the thermostat, and the copper tube penetrates out of the thermostat and is connected to a constant-temperature water tank;
the inside of the constant-temperature water tank is provided with a heater, a compressor, a stirrer, a temperature controller and a magnetic water pump which are connected through wired lines, and the magnetic water pump is connected with a red copper tube in the constant-temperature box through wired lines.
Furthermore, two fans are arranged in the thermostat, and are respectively arranged at the joint of the top plate and the side plate on one side and the joint of the bottom plate and the side plate on one side; the fan is connected with a temperature controller in the constant-temperature water tank through a wire line.
Furthermore, the outer diameter of the copper tube is 12mm, and the outside of the copper tube is wrapped with a heat insulation material.
Furthermore, the box body of the incubator is made of stainless steel material of SUS 304; the height is 100 mm; the thickness of the stainless steel material is 3 mm;
the open surface in the thermostat is a testing working surface, and the size of the testing working surface is 300mm in width and 600mm in length; the test working surface was covered with a rigid polyethylene sheet 8mm thick.
Furthermore, a covered heat insulation layer is arranged on the periphery of the constant temperature box, and the heat insulation layer is made of foam styrene plastics or foam urea plastics heat insulation materials with the thickness of 30 mm.
The invention has the beneficial effects that: by measuring and researching the illumination uniformity and luminous flux of the medical cold light source, the developed detection device has positive effects on implementation and promotion of relevant standard specifications, is very important for daily detection and maintenance of main quality parameters of the medical cold light source and understanding of the performance state of the medical cold light source, can effectively avoid medical accidents caused by the quality of the cold light source, and reduces clinical use risks.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the overall architecture of the present invention;
in the figure, 1 is a constant temperature water tank, 11 is a magnetic water pump, 12 is a stirrer, 13 is a temperature controller, 14 is a heater, and 15 is a compressor.
Reference numeral 2 denotes a thermostat, 21 denotes a temperature sensor, 22 denotes a fan, 23 denotes a stainless steel case, 24 denotes a heat insulating layer, and 25 denotes a copper tube.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings:
as described in fig. 1-2; a temperature testing device of a hot cushion type therapeutic instrument comprises a constant temperature water tank 1 and a constant temperature box 2 with an open front plate and a cubic shape;
the constant temperature box 2 comprises a top plate, side plates at two sides, a rear plate and a bottom plate;
three temperature sensors 21 are arranged in the incubator 2 and are respectively arranged on the inner walls of a top plate, a rear plate and a bottom plate of the incubator 2; the function is as follows: and simultaneously detecting the temperature and the uniformity of the inside of the whole box body.
A copper tube 25 coiled into a spiral shape is arranged in the thermostat 2, and the copper tube 25 penetrates out of the thermostat 2 and is connected to the thermostatic water tank 1;
a heater 14, a compressor 15, a stirrer 12, a temperature controller 13 and a magnetic water pump 11 which are connected through a wired line are arranged in the thermostatic water tank 1, and the magnetic water pump 11 is connected with a red copper pipe 25 in the thermostatic box 2 through a wired line;
in general, the heater 14 is used for heating liquid temperature, the compressor 15 is used for refrigerating liquid temperature, the temperature controller 13 is used for presetting temperature, the temperature controller 13 is arranged for controlling the work of the whole constant temperature water tank 1, the magnetic water pump 11 is used for starting the liquid circulation between the constant temperature water tank 1 and a heat exchange pipeline in the constant temperature box 2, and the stirrer 12 is used for uniformly mixing the water medium in the constant temperature water tank 1;
the heater 14 is a spiral heater which can cover the whole liquid area, and the liquid in the constant-temperature water tank 1 is uniformly mixed by fully stirring the liquid by the stirrer 12, so that a liquid space with a uniform temperature field is obtained;
the compressor 15 selects a rotor compressor as a refrigerating system, has small volume and is provided with a buffer device, so that the gas transmission efficiency of the compressor can be improved, and the interference of the external environment on the refrigerating system is reduced;
the temperature controller 13 selects a precise Pt100 platinum resistance sensor and a MPS430 processor chip, compares the real-time temperature collected by the precise Pt100 platinum resistance sensor in real time through the temperature presetting written in the processor, and starts the magnetic water pump 11 when the temperature reaches the preset temperature and is stable for a certain time; the temperature controller 13 is electrically connected with the heater 14, the compressor 15, the stirrer 12 and the magnetic water pump 11;
the constant-temperature water tank 1 is connected with the constant-temperature box 2 through a copper tube 25, and the constant-temperature water tank 1 can circulate hot water to the constant-temperature box 2 through the copper tube 25 at the flow rate of 2L/min-6L/min; (controlling the opening of the magnetic water pump 11 by the processor to control the flow rate of water flow);
through the combined work of the heater 14 and the compressor 15 in the constant-temperature water tank 1, after the temperature of the water medium reaches the temperature set by the temperature controller 13 and is kept stable, the magnetic water pump 11 is started, constant-temperature liquid is introduced into the pipeline of the copper tube 25 in the constant-temperature box 2, and after a certain period of balance, the temperature in the constant-temperature box 2 is infinitely close to the temperature set by the temperature controller 13;
in addition, the thermostatic water tank 1 and the thermostatic box 2 are electrically connected, and the processor chip of the MPS430 provided in the temperature controller 13 in the thermostatic water tank 1 is used for controlling the fan provided in the thermostatic box 2 to work and acquiring the temperature information of the three temperature sensors 21 in the thermostatic box 2 in real time.
Furthermore, two fans 22 are arranged inside the incubator 2, and the fans 22 are respectively arranged at the joint of the top plate and the side plate on one side and the joint of the bottom plate and the side plate on one side; the fan 22 is connected with the temperature controller 13 in the constant-temperature water tank 1 through a wire line;
in general, the fans 22 are disposed at the lower right corner and the upper left corner of the oven 2, and the fans 22 circulate the air in the oven body by forced convection to perform sufficient heat exchange, so that the temperature of the air in the oven body is uniform.
Further, the outer diameter of the copper tube 25 is 12mm, and the outside of the copper tube 25 is wrapped with a heat insulation material.
Furthermore, the box body of the incubator 2 is made of stainless steel material of SUS 304; the height is 100 mm; the thickness of the stainless steel material is 3 mm;
the open surface in the constant temperature box 2 is a testing working surface, and the size of the testing working surface is 300mm in width and 600mm in length; the test face was covered with a rigid polyvinyl chloride (PVC) sheet of 8mm thickness.
Furthermore, a covered thermal insulation layer 24 is arranged on the periphery of the incubator 2, and the thermal insulation layer 24 is made of thermal insulation materials (other related materials can also be used) such as foamed styrene plastics or foamed urea plastics with the thickness of 30 mm.
In addition, in the thermal pad type therapeutic instrument temperature testing device: an effective heating area of a hot pad of the hot pad type therapeutic apparatus to be detected is divided into 4 parts according to the shape (generally circular, rectangular, oval or similar) and the horizontal and vertical directions of the effective heating area and according to a symmetry axis, and the centroids of the four parts and a foot pad with two symmetry axes (namely a central point in the effective heating area) are taken as 5 test points;
the effective heating surface of the hot pad type therapeutic apparatus to be detected, namely the therapeutic surface is downward, copper plates with the thickness of 15mm multiplied by 1mm are respectively placed under 5 measuring points, a probe of a temperature sensor 21 arranged on a temperature recorder is placed under the corresponding copper plate, and a PVC plate of a constant temperature box 2;
placing a heat insulation material on a heat cushion ineffective heating surface of the heat cushion type therapeutic apparatus to be detected, and placing one weight of 200g on each corresponding test point on the heat insulation material;
the heat insulating material is dry flannelette, double-sided flannelette: the components: 100% cotton; density: 100 roots/inch; the specification is at least 940mm multiplied by 640 mm; quantity: 8 layers; as depicted in fig. 2;
the specific implementation mode is as follows:
before the test is started, the hot pad type therapeutic apparatus should be parked for at least 24h in a test place without electricity, and before the test is formally carried out, the therapeutic apparatus should be operated according to the requirements of a use instruction;
the test environment should satisfy: keeping the ambient temperature in a ventilated room at 24 +/-1 ℃, wherein the wind speed is less than 0.1 m/s;
setting a target temperature value through a temperature controller 21, starting the stirrer 12, collecting the temperature of the liquid in the constant-temperature water tank 1 through a temperature sensor 21, comparing the temperature with the target temperature, and starting a heater 14 or a compressor 15 to heat or cool the liquid;
when the temperature in the constant-temperature water tank 1 reaches 35 ℃ of a set temperature, a magnetic water pump 11 is started, liquid media enter the copper tube 25 coiled in the constant-temperature tank 2 from the constant-temperature water tank 1 through a magnetic pump body 11 of the constant-temperature water tank 1 and a pipeline of the copper tube 25 with a heat preservation effect to circulate, fans 22 at the lower right corner and the upper left corner in the constant-temperature tank 2 are started to force internal air to circulate in a convection manner until the temperature of the air in the constant-temperature tank 2 is uniform and is kept at 35 +/-1 ℃, and the temperature difference of the upper temperature sensor 21, the middle temperature sensor 21 and the lower temperature sensor 21 is not larger than 1 ℃;
test run start-up:
minimum temperature test: the hot points are well arranged according to the normal use steps, so that the therapeutic apparatus outputs (the therapeutic apparatus with the temperature setting value is arranged at the lowest output level), after the steady-state time specified by a manufacturer is reached, the temperature value of each temperature test point is measured in sequence, and the average value is calculated, wherein the temperature in the effective heating area is required to be not lower than 37 ℃;
maximum temperature test: setting the therapeutic apparatus at the highest gear which can be set, sequentially measuring the temperature value of each temperature test point after the steady-state time specified by a manufacturer is reached, and calculating the average value, wherein the highest temperature which is in line with the thermal pad is less than 60 ℃;
temperature accuracy test: respectively setting the therapeutic apparatus at all gears which are possibly output, sequentially measuring the temperature value of each temperature test point after the steady-state time specified by a manufacturer is reached, calculating an average value, wherein the steady-state temperature is required to meet the working temperature requirement set by the manufacturer, and the error is not more than +/-3 ℃;
temperature uniformity test: respectively setting the therapeutic apparatus at all possible gears, testing again, and after the steady-state time specified by a manufacturer is reached, calculating the uniformity according to the formula (1), wherein the difference between the average value of the temperature of the Australian cotton I in the effective heating area and each test point is not more than +/-2.5;
in the formula: giRepresents temperature uniformity; t isiRepresenting the measured value of each temperature test point;
represents the average of the test temperatures.
Temperature stability test: respectively setting the therapeutic apparatus at all gears which can be set, testing at a central point in an effective heating area, starting to measure after the steady state time of a manufacturer is reached, reading the temperature value measured by the temperature sensor at intervals of time t until the maximum treatment time is ended, calculating the stability by using a formula (2), and ensuring that the temperature fluctuation does not exceed 2 ℃ after the therapeutic apparatus reaches the steady state;
S＝Tmax-Tmin (2)
in the formula: s represents the stability of temperature; t ismaxRepresents the maximum of the temperature measurements; t isminRepresents the minimum of the temperature measurements;
the interval time t is selected in the following mode: (maximum treatment time for which the apparatus can be set-manufacturer specified steady state time)/10.
Finally, it should be understood that the embodiments described herein are merely illustrative of the principles of embodiments of the present invention; other variations are possible within the scope of the invention; thus, by way of example, and not limitation, alternative configurations of embodiments of the invention may be considered consistent with the teachings of the present invention; accordingly, the embodiments of the invention are not limited to the embodiments explicitly described and depicted.
Claims (5)
1. A temperature testing device of a hot cushion type therapeutic instrument is characterized by comprising a constant temperature water tank and a constant temperature box with an open front plate and a cubic shape;
the constant temperature box comprises a top plate, side plates at two sides, a rear plate and a bottom plate;
three temperature sensors are arranged in the thermostat and are respectively arranged on the inner walls of a top plate, a rear plate and a bottom plate of the thermostat;
a copper tube coiled into a spiral shape is arranged in the thermostat, and the copper tube penetrates out of the thermostat and is connected to a constant-temperature water tank;
the inside of the constant-temperature water tank is provided with a heater, a compressor, a stirrer, a temperature controller and a magnetic water pump which are connected through wired lines, and the magnetic water pump is connected with a red copper tube in the constant-temperature box through wired lines.
2. The temperature testing device of claim 1, wherein two fans are disposed inside the incubator, and the fans are respectively disposed at the connection between the top plate and the side plate, and at the connection between the bottom plate and the side plate; the fan is connected with a temperature controller in the constant-temperature water tank through a wire line.
3. The thermal pad type therapeutic instrument temperature testing device according to claim 1, wherein the copper tube has an outer diameter of 12mm, and the copper tube is wrapped with a thermal insulation material.
4. The thermal pad type therapeutic instrument temperature testing device according to claim 1, wherein the box body of the incubator is made of stainless steel material SUS 304; the height is 100 mm; the thickness of the stainless steel material is 3 mm;
the open surface in the thermostat is a testing working surface, and the size of the testing working surface is 300mm in width and 600mm in length; the test working surface was covered with a rigid polyethylene sheet 8mm thick.
5. The thermal pad type therapeutic instrument temperature testing device of claim 1, wherein a covering thermal insulation layer is arranged on the periphery of the incubator, and the thermal insulation layer is made of foam styrene plastics or foam urea plastics thermal insulation materials with the thickness of 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011487514.6A CN112710411A (en) | 2020-12-16 | 2020-12-16 | Temperature testing device for hot pad type therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011487514.6A CN112710411A (en) | 2020-12-16 | 2020-12-16 | Temperature testing device for hot pad type therapeutic instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112710411A true CN112710411A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011487514.6A Withdrawn CN112710411A (en) | 2020-12-16 | 2020-12-16 | Temperature testing device for hot pad type therapeutic instrument |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146318A (en) * | 2021-11-08 | 2022-03-08 | 广东省医疗器械质量监督检验所 | Testing device and method of frequency spectrum therapeutic apparatus |
-
2020
- 2020-12-16 CN CN202011487514.6A patent/CN112710411A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146318A (en) * | 2021-11-08 | 2022-03-08 | 广东省医疗器械质量监督检验所 | Testing device and method of frequency spectrum therapeutic apparatus |
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Application publication date: 20210427 |
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