CN211318386U - Resistance detector of hydrogen peroxide sterilization indicator - Google Patents
Resistance detector of hydrogen peroxide sterilization indicator Download PDFInfo
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- CN211318386U CN211318386U CN201922471009.1U CN201922471009U CN211318386U CN 211318386 U CN211318386 U CN 211318386U CN 201922471009 U CN201922471009 U CN 201922471009U CN 211318386 U CN211318386 U CN 211318386U
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- hydrogen peroxide
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- detection
- sterilization indicator
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 155
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 45
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 65
- 238000000746 purification Methods 0.000 claims abstract description 23
- 230000008016 vaporization Effects 0.000 claims abstract description 20
- 238000009834 vaporization Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000006200 vaporizer Substances 0.000 claims description 38
- 238000009833 condensation Methods 0.000 claims description 32
- 230000005494 condensation Effects 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 20
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000009835 boiling Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
A resistance detector of a hydrogen peroxide sterilization indicator belongs to the technical field of medical instruments. The method is characterized in that: a vacuum pump (18) inner chamber (5) is arranged in a shell (1), a detection chamber (6) is arranged in the inner chamber (5), a purification device (4) used for purifying hydrogen peroxide solution is arranged above the inner chamber (5), a vaporization device (7) used for vaporizing hydrogen peroxide liquid is arranged on one side of the purification device (4), an output port of the vaporization device (7) is connected into the inner chamber (5), and an air inlet of the vacuum pump (18) is respectively communicated with the purification device (4), the inner chamber (5) and the detection chamber (6) through a plurality of pipelines which are communicated in a time-sharing mode. In the resistance detector for the hydrogen peroxide sterilization indicator, hydrogen peroxide solution is purified and vaporized, and vaporized hydrogen peroxide is sent into an inner chamber and a detection chamber, so that resistance detection of the hydrogen peroxide sterilization indicator is realized.
Description
Technical Field
A resistance detector of a hydrogen peroxide sterilization indicator belongs to the technical field of medical instruments.
Background
Hydrogen peroxide sterilization is an effective and rapid sterilization method, however, hydrogen peroxide sterilization is affected by organic matters, temperature, negative pressure and hydrogen peroxide concentration in the sterilization process, and hydrogen peroxide sterilization detection consumables are widely applied along with the domestic use of hydrogen peroxide sterilizers in large quantities. In the field, resistance refers to the relevant combination of physical or chemical parameters generated in the sterilization process, specifically to the indication capability of sterilization detection consumables on the sterilization effect, and the quality of hydrogen peroxide sterilization detection consumables detected by a resistance detector of a hydrogen peroxide sterilization indicator is in the process of being extremely fast. When hydrogen peroxide is used for sterilization, a hydrogen peroxide sterilization indicator is generally used for verifying whether the sterilization performance of the indicator meets the original design rule and detecting the low-temperature hydrogen peroxide plasma sterilization effect, and whether the sterilization is qualified is determined according to the color change of the indicator.
However, in actual production, the sterilization effect of hydrogen peroxide sterilization often cannot be accurately evaluated due to improper storage of the indicator or quality problems of the indicator itself. Therefore, the detection of the resistance detector of the hydrogen peroxide sterilization indicator on the quality of the hydrogen peroxide sterilization detection consumables becomes an urgent problem to be solved in the field.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the resistance detector for the hydrogen peroxide sterilization indicator overcomes the defects of the prior art, purifies and vaporizes the hydrogen peroxide solution, and sends vaporized hydrogen peroxide into the inner chamber and the detection chamber, thereby realizing the detection of the hydrogen peroxide sterilization indicator.
The utility model provides a technical scheme that its technical problem adopted is: the resistance detector of the hydrogen peroxide sterilization indicator is characterized in that: the resistance detection device comprises a shell, wherein a vacuum pump is arranged in the shell, an inner chamber is arranged above the vacuum pump, a detection chamber is arranged in the inner chamber, the inner chamber is connected with the detection chamber through a valve, and a hydrogen peroxide sterilization indicator is arranged in the detection chamber for resistance detection;
a purification device for purifying the hydrogen peroxide solution is arranged above the inner chamber, a vaporization device for vaporizing the hydrogen peroxide solution is arranged on one side of the purification device, an output port of the vaporization device is connected into the inner chamber, and an air inlet of the vacuum pump is respectively communicated with the purification device, the inner chamber and the detection chamber through a plurality of pipelines which are communicated in a time-sharing manner.
Preferably, the purification device comprises a condensation cavity and a collection cavity which are communicated with each other, the collection cavity is fixed at the lower part of the condensation cavity, and different side surfaces of the collection cavity are respectively provided with a filling port and a collection port for filling and collecting hydrogen peroxide;
the two sides of the condensation cavity are respectively provided with a condenser, the condensers on the two sides are provided with a PTC heating sheet and a temperature control switch, and the condensation cavity is communicated with the vacuum pump and the atmosphere in a time-sharing manner through a condensation cavity control valve.
Preferably, a temperature detection hole for installing a temperature transmitter is formed at the end part of the condenser; a pressure detection hole for mounting a pressure transmitter is formed in the middle of the upper surface of the condensation cavity; and the outer sides of the condensers at the two sides are respectively fixed with a radiating fan.
Preferably, a valve joint is led out from an exhaust port of the condensation cavity control valve, the valve joint is connected with one end of a sterile filter through a hoop, and the sterile filter is connected with a vacuum pump.
Preferably, the vaporizer comprises a vaporizer base and a vaporizer upper cover fixed at an opening at the upper end of the vaporizer base, a protrusion is formed in the middle of the vaporizer base to divide an inner cavity of the vaporizer into an input cavity and an output cavity, a filling connector for filling hydrogen peroxide liquid is installed on the vaporizer upper cover, and a drainage tube communicated with the inner chamber is led out from the output cavity.
Preferably, a first baffle and a second baffle are vertically fixed on the bottom surface of the upper cover of the carburetor, and when the upper cover of the carburetor is arranged above the carburetor base, the first baffle and the second baffle are parallelly positioned on two sides of the middle bulge of the carburetor base.
Preferably, heating films are respectively arranged on the upper surface of the upper cover of the vaporizer and the bottom surface of the base of the vaporizer; and a heating rod is inwards arranged on the side part of the middle bulge of the base of the carburetor.
Preferably, the vacuum pump is arranged on an inner bottom plate of the shell, the fixing plate is horizontally arranged in the middle of the shell, and the inner chamber is arranged on the upper surface of the fixing plate.
Preferably, an inner chamber temperature transmitter and an inner chamber pressure transmitter are arranged on the side part of the inner chamber, a heating film is further arranged on the surface of the outer wall of the inner chamber, and heat insulation cotton is further arranged outside the inner chamber; and a detection chamber pressure transmitter and a detection chamber temperature transmitter are arranged at the bottom of the detection chamber.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. in the resistance detector for the hydrogen peroxide sterilization indicator, hydrogen peroxide solution is purified and vaporized, and vaporized hydrogen peroxide is sent into an inner chamber and a detection chamber, so that resistance detection of the hydrogen peroxide sterilization indicator is realized.
2. By arranging the purification device, the hydrogen peroxide solution can be purified and collected at different concentrations.
3. Through setting up the vaporizing device, the hydrogen peroxide solution instantly vaporizes after entering the vaporizing device, evenly diffuses to the inner room simultaneously, avoids the loss of hydrogen peroxide solution.
Drawings
FIG. 1 is a schematic view of a resistance detector of a hydrogen peroxide sterilization indicator.
FIG. 2 is a schematic view of a resistance detector purification apparatus for hydrogen peroxide sterilization indicator.
FIG. 3 is a schematic view of a resistance detector vaporization apparatus for hydrogen peroxide sterilization indicator.
Wherein: 1. the device comprises a shell 2, a purification evacuation pipeline 3, an inner chamber emptying valve 4, a purification device 5, an inner chamber 6, a detection chamber 7, a vaporization device 8, a detection chamber pressure transmitter 9, a medicine inlet valve 10, an inner chamber evacuation pipeline 11, a detection chamber evacuation pipeline 12, a detection chamber emptying valve 13, a detection chamber temperature transmitter 14, a fixing plate 15, a four-way pipe 16, a hydrogen peroxide filter 17, an oil mist filter 18, a vacuum pump 19, a sterile filter 20, a valve connector 21, a condensation chamber control valve 22, a temperature detection hole 23, a condenser 24, a pressure detection hole 25, a cooling fan 26, a condensation chamber 27, a collection chamber 28, a collection port 29, a filling port 30, a vaporizer upper cover 31, a filling connector 32, a vaporizer base 33, a first baffle 34, a second baffle 35, a drainage pipe 36, a liquid outlet 36, Heating rod 37, heating rod temperature detect switch.
Detailed Description
Fig. 1 to 3 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 3.
As shown in figure 1, the resistance detector (hereinafter referred to as resistance detector) for the hydrogen peroxide sterilization indicator comprises a shell 1, and bottom wheels are arranged at four corners of the bottom of the shell 1, so that the resistance detector can be moved conveniently. A vacuum pump 18 is arranged on the inner bottom plate of the shell 1, an air inlet of the vacuum pump 18 is connected with one port of the four-way pipe 15, and an oil mist filter 17 and a hydrogen peroxide filter 16 are sequentially arranged at an air outlet of the vacuum pump 18 and then discharged.
A fixed plate 14 is horizontally arranged in the middle of the shell 1, an inner chamber 5 is fixed on the upper surface of the fixed plate 14, and a purifying device 4 is arranged on the upper surface of the inner chamber 5 and used for purifying the hydrogen peroxide solution; a vaporizing device 7 for vaporizing the hydrogen peroxide solution is provided at one side of the purifying device 4 and is introduced into the inner chamber 5 after vaporizing the hydrogen peroxide solution. An inner chamber temperature transmitter and an inner chamber pressure transmitter (not shown) are arranged at the side part of the inner chamber 5, and an inner chamber emptying valve 3 is arranged at the top part of the inner chamber 5 and is used for realizing the communication between the inner chamber 5 and the atmosphere. A heating film is arranged on the surface of the outer wall of the inner chamber 5 and used for heating the inner chamber 5; the outer part of the inner chamber 5 is also provided with heat insulation cotton for maintaining the temperature in the inner chamber 5.
The inner bottom surface of the inner chamber 5 is provided with a detection chamber 6, the left side and the right side of the detection chamber 6 are provided with openings, the medicine inlet valves 9 are arranged at the two openings, and the detection chamber 6 is communicated or isolated with the inner chamber 5 along with the conduction or the closing of the medicine inlet valves 9. A detection chamber pressure transmitter 8 and a detection chamber temperature transmitter 13 are provided at the bottom of the detection chamber 6.
The four ports of the four-way pipe 15 are connected to the inlet of the vacuum pump 18, and the other three ports are connected to the purification apparatus 4 through the purification evacuation line 2, the bottom of the inner chamber 5 through the inner chamber evacuation line 10, and the bottom of the detection chamber 6 through the detection chamber evacuation line 11, respectively. Pneumatic control valves are respectively arranged on the purification evacuation pipeline 2, the inner chamber evacuation pipeline 10 and the detection chamber evacuation pipeline 11 and are used for realizing the time-sharing opening of the purification evacuation pipeline 2, the inner chamber evacuation pipeline 10 and the detection chamber evacuation pipeline 11, and a detection chamber return valve 12 is also arranged on the detection chamber evacuation pipeline 11 and is used for realizing the communication of the detection chamber 6 and the atmosphere.
As shown in fig. 2, the purifying device 4 includes a condensing chamber 26, two condensers 23 are respectively disposed at two sides of the condensing chamber 26, and cooling fans 25 are respectively fixed at outer sides of the condensers 23 at the two sides. The middle part of the upper surface of the condensation cavity 26 is provided with a pressure detection hole 24 for installing a pressure transmitter, the two condensers 23 are both provided with a PTC heating sheet and a temperature control switch, and the end parts of the two condensers 23 are respectively provided with a temperature detection hole 22 for installing a temperature transmitter.
The side part of the condensation cavity 26 is also connected with a condensation cavity control valve 21 through a hoop, the condensation cavity control valve 21 is realized by adopting a three-way two-position pneumatic valve, wherein a valve joint 20 is led out from an exhaust port, the valve joint 20 is connected with one end of an aseptic filter 19 through the hoop, the other end of the aseptic filter 19 is connected with a four-way pipe 15 through the purification evacuation pipeline 2, and an air inlet is used as an air return port of the condensation cavity 26.
A collection chamber 27 is fixed to the bottom of the condensation chamber 26, and the condensation chamber 26 and the collection chamber 27 are communicated with each other. The two different end surfaces of the collection cavity 27 are respectively provided with a collection port 28 and a filling port 29, and the filling of the hydrogen peroxide solution and the collection of the purified hydrogen peroxide liquid are realized by externally connected injectors.
The purification principle of the hydrogen peroxide solution is as follows: under negative pressure, the boiling points of hydrogen peroxide and water are different, and under the same pressure, the boiling point of water is lower than that of hydrogen peroxide, so that water is vaporized, and the hydrogen peroxide is not vaporized; under different negative pressures, the water vaporization amount is different, so that the concentration of the purified hydrogen peroxide solution is different.
Firstly, the vacuum pumping pump 18 is opened, the air inlet in the condensation cavity control valve 21 is closed, the purifier is vacuumized, then the hydrogen peroxide solution is injected through the filling port 29, meanwhile, the condensation cavity 26 is heated, the condensation cavity 26 is continuously vacuumized, the internal pressure of the condensation cavity 26 is obtained through a pressure transmitter, and the pressure in the purifier is observed at any moment. When the temperature reaches the boiling point of water and hydrogen peroxide, the peroxide gas and water vapor vaporize and enter the condensation chamber 26.
The temperature of the condensation chamber 26 is lowered so that the temperature in the current negative pressure state reaches the boiling point of the water vapor and is not enough to boil the hydrogen peroxide, and at this time, the water vapor is drawn away, and the temperature does not reach the boiling point of the hydrogen peroxide, so that the hydrogen peroxide gas is liquefied and then attached to the inside of the condensation chamber 26. As more and more hydrogen peroxide solution flows back into the collection chamber 27 under the influence of gravity. At this time, the vacuum pump 18 is turned off and the gas inlet in the condensation chamber control valve 21 is opened, so that the pressures in the condensation chamber 26 and the collection chamber 27 are rapidly conducted to the external atmosphere, and the purified hydrogen peroxide liquid can be pumped out.
As shown in fig. 3, the vaporizing device 7 includes a vaporizer base 32, an upper end of the vaporizer base 32 is opened, a vaporizer upper cover 30 is provided at the upper end opening of the vaporizer base 32, and heating films are respectively provided on an upper surface of the vaporizer upper cover 30 and a bottom surface of the vaporizer base 32. A protrusion is provided at the middle of the bottom surface of the vaporizer base 32 to divide the interior of the vaporizer base 32 into two chambers, a first baffle 33 and a second baffle 34 are vertically fixed to the bottom surface of the vaporizer upper cover 30, and when the vaporizer upper cover 30 is covered over the vaporizer base 32, the first baffle 33 and the second baffle 34 are positioned at both sides of the protrusion at the middle of the vaporizer base 32 in parallel. A heating bar 36 is mounted inwardly from the side protruding from the middle of the vaporizer base 32, and a heating bar temperature control switch 37 for controlling the bottom heating bar 36 is also provided at the lower part of the vaporizer base 32. A pressure transmitter and a temperature transmitter are also respectively mounted on the vaporizer base 32 for detecting the temperature and pressure of the inner cavity thereof.
Two cavities formed by the middle bulge at intervals in the carburetor base 32 are respectively an input cavity and an output cavity, the first baffle 33 is positioned in the input cavity, the second baffle 34 is positioned in the output cavity, and the filling joint 31 is installed on the carburetor upper cover 30 and penetrates through the upper end face and the lower end face of the carburetor upper cover 30 to be communicated with the input cavity. The drainage tube 35 is installed from the bottom of the vaporizer base 32 by a clip, one end of the drainage tube 35 is communicated with the output chamber, and the other end thereof extends into the inner chamber 5 and is communicated with the inner chamber of the inner chamber 5.
Before the hydrogen peroxide is vaporized, the vacuum pump 18 is firstly started to vacuumize the inner cavity of the vaporizer base 32, then the heating film and the heating rod 36 are used for heating, then the hydrogen peroxide is filled into the input cavity through the filling joint 31, and the hydrogen peroxide liquid is vaporized rapidly after being filled because the current temperature is far higher than the boiling point of the hydrogen peroxide under the current negative pressure state, and enters the inner chamber 5 through the drainage tube 35 after entering the output cavity.
The specific working process and working principle are as follows:
firstly, injecting the hydrogen peroxide solution into the purification device 4, purifying the hydrogen peroxide solution according to the purification process, then vacuumizing the inner chamber 5, completing the vaporization of the hydrogen peroxide solution according to the process after the hydrogen peroxide solution enters the vaporization device 7, and introducing the vaporized hydrogen peroxide solution into the inner chamber 5 through the drainage tube 35. After the hydrogen peroxide gas is uniform in the inner chamber 5, the detection chamber 6 is vacuumized, then the medicine inlet valve 9 is opened, and the hydrogen peroxide liquid enters the detection chamber 6 after being vaporized and contacts with an indicator which is placed in the detection chamber 6 in advance.
After a preset time, the detection chamber 6 is vacuumized to extract hydrogen peroxide in the detection chamber 6, and then the detection chamber return air valve 12 is opened to communicate the detection chamber 6 with the atmosphere, so that resistance detection of the indicator is completed.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. A resistance detector of a hydrogen peroxide sterilization indicator is characterized in that: the resistance detection device comprises a shell (1), wherein a vacuum pump (18) is arranged in the shell (1), an inner chamber (5) is arranged above the vacuum pump (18), a detection chamber (6) is arranged in the inner chamber (5), the inner chamber (5) and the detection chamber (6) are connected through a valve, and a hydrogen peroxide sterilization indicator is arranged in the detection chamber (6) for resistance detection;
a purification device (4) for purifying the hydrogen peroxide solution is arranged above the inner chamber (5), a vaporization device (7) for vaporizing the hydrogen peroxide liquid is arranged on one side of the purification device (4), an output port of the vaporization device (7) is connected into the inner chamber (5), and an air inlet of a vacuum pump (18) is respectively communicated with the purification device (4), the inner chamber (5) and the detection chamber (6) through a plurality of pipelines which are communicated in a time-sharing manner.
2. The resistance detector of a hydrogen peroxide sterilization indicator of claim 1, wherein: the purification device (4) comprises a condensation cavity (26) and a collection cavity (27) which are communicated with each other, the collection cavity (27) is fixed at the lower part of the condensation cavity (26), and different side surfaces of the collection cavity (27) are respectively provided with a filling port (29) and a collection port (28) for filling and collecting hydrogen peroxide;
condensers (23) are respectively arranged on two sides of the condensation cavity (26), PTC heating sheets and temperature control switches are installed on the condensers (23) on the two sides, and the condensation cavity (26) is communicated with the vacuum pump (18) and the atmosphere in a time-sharing mode through a condensation cavity control valve (21).
3. The resistance detector of a hydrogen peroxide sterilization indicator of claim 2, wherein: a temperature detection hole (22) for mounting a temperature transmitter is formed at the end part of the condenser (23); a pressure detection hole (24) for mounting a pressure transmitter is formed in the middle of the upper surface of the condensation cavity (26); and a heat radiation fan (25) is respectively fixed on the outer sides of the condensers (23) at the two sides.
4. The resistance detector of a hydrogen peroxide sterilization indicator of claim 2, wherein: and a valve joint (20) is led out from an exhaust port of the condensation cavity control valve (21), the valve joint (20) is connected with one end of a sterile filter (19) through a clamp, and the sterile filter (19) is connected with a vacuum pump (18).
5. The resistance detector of a hydrogen peroxide sterilization indicator of claim 1, wherein: the vaporizer (7) comprises a vaporizer base (32) and a vaporizer upper cover (30) fixed at an opening at the upper end of the vaporizer base (32), a bulge is formed in the middle of the vaporizer base (32) to divide an inner cavity of the vaporizer (7) into an input cavity and an output cavity, a filling connector (31) used for filling hydrogen peroxide liquid is installed on the vaporizer upper cover (30), and a drainage tube (35) communicated with the inner chamber (5) is led out from the output cavity.
6. The resistance detector of a hydrogen peroxide sterilization indicator according to claim 5, wherein: a first baffle (33) and a second baffle (34) are vertically fixed on the bottom surface of the upper cover (30) of the carburetor, and when the upper cover (30) of the carburetor is arranged above the carburetor base (32), the first baffle (33) and the second baffle (34) are positioned on two sides of the middle projection of the carburetor base (32) in parallel.
7. The resistance detector of a hydrogen peroxide sterilization indicator according to claim 5, wherein: heating films are respectively arranged on the upper surface of the upper cover (30) of the vaporizer and the bottom surface of the base (32) of the vaporizer; and a heating rod (36) is inwards arranged on the side part of the middle bulge of the vaporizer base (32).
8. The resistance detector of a hydrogen peroxide sterilization indicator of claim 1, wherein: the vacuum pump (18) is placed on the inner bottom plate of the shell (1), the fixing plate (14) is horizontally placed in the middle of the inner portion of the shell (1), and the inner chamber (5) is placed on the upper surface of the fixing plate (14).
9. The resistance detector of a hydrogen peroxide sterilization indicator of claim 1, wherein: an inner chamber temperature transmitter and an inner chamber pressure transmitter are arranged on the side part of the inner chamber (5), a heating film is also arranged on the outer wall surface of the inner chamber (5), and heat insulation cotton is also arranged outside the inner chamber (5); and a detection chamber pressure transmitter (8) and a detection chamber temperature transmitter (13) are arranged at the bottom of the detection chamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471009.1U CN211318386U (en) | 2019-12-31 | 2019-12-31 | Resistance detector of hydrogen peroxide sterilization indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471009.1U CN211318386U (en) | 2019-12-31 | 2019-12-31 | Resistance detector of hydrogen peroxide sterilization indicator |
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| Publication Number | Publication Date |
|---|---|
| CN211318386U true CN211318386U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922471009.1U Active CN211318386U (en) | 2019-12-31 | 2019-12-31 | Resistance detector of hydrogen peroxide sterilization indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134104A (en) * | 2021-05-12 | 2021-07-20 | 浙江迈尔医疗技术有限公司 | Hydrogen peroxide low-temperature sterilizer, sterilization method and purification device |
-
2019
- 2019-12-31 CN CN201922471009.1U patent/CN211318386U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134104A (en) * | 2021-05-12 | 2021-07-20 | 浙江迈尔医疗技术有限公司 | Hydrogen peroxide low-temperature sterilizer, sterilization method and purification device |
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