CN201020055Y - Parallel connection type low-temperature plasma disinfection device - Google Patents
Parallel connection type low-temperature plasma disinfection device Download PDFInfo
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- CN201020055Y CN201020055Y CNU2007201041381U CN200720104138U CN201020055Y CN 201020055 Y CN201020055 Y CN 201020055Y CN U2007201041381 U CNU2007201041381 U CN U2007201041381U CN 200720104138 U CN200720104138 U CN 200720104138U CN 201020055 Y CN201020055 Y CN 201020055Y
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Abstract
A parallel-type low temperature plasma sterilizer, relating to technologies for plasma sterilization, which comprises a metal container, a metal cover door, at least two screen-type metal antennas, at least two sets of radio-frequency power supply and self-adapting RF couplers, a vacuum pump, a vacuum corrugated pipe, an insulated backup block, a metal laminate, a DC electrode, a DC supply, a vacuum gauge, an internal temperature sensor, a temperature sensor, a photosensitive sensor, a hydrogen peroxide storage bottle, a peristaltic pump, a liquid level sensor, a silicone conduit, a hydrogen peroxide baffle plate, a leaded and tempered glass window, an anti-pressure travel switch, a metal container heating sleeve, an external temperature sensor and a hydrogen peroxide baffle plate etc, wherein the radio-frequency power supply, the DC power supply and the sealing container are electrically connected; a vacuum device and a hydrogen peroxide infusion device are communicated with the sealing container through pipelines. Simply structured, the utility model can perform thorough sterilization in a short period of time without residuals; besides, being nonpoisonous and non-corrosive, the utility model is energy-saving and is applicable to both metal and nonmetal instruments.
Description
Technical field:
This utility model relates to the sterilization technology field, be parallel low temperature plasma bactericidal unit, the photosensitive sensor unit that aura is detected when particularly having plasma generation and produce plasma carries out low temperature sterilization to medical apparatus and instruments device by AC and DC mixing build-up of luminance.
Background technology:
Use the sterilization of the wet article of various fear heat fear at present in hospital, all to carry out sterilization as endoscope, pacemaker, artificial valve, optical instrument, electronic equipment, conduit, plastic etc., but the overwhelming majority can at high temperature be out of shape in these apparatuses, therefore should not carry out sterilization with the pyritous method of routine, and the service life of valuable medical apparatus and instruments is shortened in the high-temperature sterilization meeting.If adopt the method for medicining liquid dipping, often can't thoroughly kill the antibacterial in the apparatus slit, have residue to stay on the apparatus behind the sterilization, and sterilising cycle is long.
Under plasmoid, a series of physics and chemical change take place in material, as electron exchange, electron energy conversion, molecular collision, chemistry dissociates and reorganization etc., these variations make the ionized gas cloud produce the charged cloud form material that electronics, ion and neutron etc. are combined into, and these materials contain particles such as molecule, excited atom, metastable atom, free radical and ultraviolet, gamma-rays, β ray etc.
The plasma sterilization technology was originated the sixties in 20th century, and killing microorganisms research has been carried out in the sterilization of U.S. Menashi article on plasma, and develops plasma sterilizing equipment in nineteen sixty-eight, and is existing much about report of plasma sterilization Study on Technology and patented product.At present plasma sterilizing equipment does not have observation window mostly or observation window is arranged and does not detect the device that plasma takes place, and has the unsuccessful situation of plasma build-up of luminance, and this has often stayed hidden danger to plasma sterilization, has perhaps reduced the efficient of plasma sterilization.
In the research process of modern vacuum electronics, find that radio-frequency discharge can produce the large tracts of land homogeneous plasma, but it is subjected to the constraint of various conditions, there is the build-up of luminance failure, do not produce the situation of plasma, find that simultaneously direct-current discharge is easy to generate plasma, the build-up of luminance condition is loose, but be difficult to produce the uniform large-area plasma, generally just be used to produce ozone and do sterilization usefulness.Existing low temperature plasma bactericidal unit adopts the method for radio-frequency discharge more, its physical characteristics has determined that plasma produces the possibility of failure, and the situation that produces failure at plasma can not detect, thereby has caused the possibility of product sterilization failure, and then causes great malpractice.
The utility model content:
The purpose of this utility model is to disclose a kind of parallel low temperature plasma bactericidal unit, to overcome the various defectives that prior art exists.
For achieving the above object, technical solution of the present invention is:
A kind of parallel low temperature plasma bactericidal unit comprises canister, at least two mesh-like metal antennas, vacuum pump, dielectric support block, plymetal, at least two cover radio-frequency power supplies and adaptive RF bonder and radio-frequency electrode, dc source, vacuometer, internal temperature sensor, humidity sensor, light sensor, hydrogen peroxide storage bottle, peristaltic pump, liquid level sensor, silica gel catheter, hydrogen peroxide baffle plate, holding wire, cyclelog; Wherein:
Canister one end has the crown cap door, and the crown cap door is provided with observation window, the anti-travel switch of pressing, and between canister side and the crown cap door sealing ring is arranged; The canister inwall is provided with a plurality of dielectric support block, at least two radio-frequency electrodes, at least two DC electrode, vacuometer, internal temperature sensor, humidity sensor, light sensor; A plurality of dielectric support block the inner is connected with at least two mesh-like metal antennas, at least two mesh-like metal antennas are parallel near the canister inner surface, the mutual side of mesh-like metal antenna is gapped, the shape of mesh-like metal antenna and canister inwall are suitable, the spacing of itself and canister inwall is 5mm～30mm, and light sensor is between canister and mesh-like metal antenna; Each mesh-like metal antenna is electrically connected with a radio-frequency electrode, a direct current electrode respectively;
The canister central part is provided with plymetal, and plymetal is surrounded by the mesh-like metal antenna, and plymetal is affixed through insulation support and canister inwall;
Canister connects with vacuum pump by the vacuum ripple pipe and is connected, and connects with hydrogen peroxide storage bottle by silica gel catheter to be connected, and silica gel catheter is provided with peristaltic pump; In the hydrogen peroxide storage bottle liquid level sensor is arranged, the port of silica gel catheter in canister the part on the mesh-like metal antenna is had the hydrogen peroxide baffle plate;
Each radio-frequency electrode order on the canister inwall is electrically connected with adaptive RF bonder, the radio-frequency power supply outside the canister; Each DC electrode on the canister inwall is electrically connected with canister dc source outward;
Cyclelog is positioned at outside the canister, be electrically connected with liquid level sensor through holding wire, and be electrically connected with vacuum pump, at least two radio-frequency power supplies, at least two adaptive RF bonders, at least two dc sources, vacuometer, internal temperature sensor, humidity sensor, light sensor and the anti-travel switches of pressing respectively.
Described plasma sterilization device, its described DC electrode, dc source are at least one, are electrically connected with at least two mesh-like metal antennas respectively.
Described plasma sterilization device, its described canister is cylindrical or cube, frame ground.
Described plasma sterilization device, its described observation window is equipped with the metal twine of a radiation-resistant leaded safety glass and a shielding action.
Described plasma sterilization device, its described mesh-like metal antenna, its mesh are the hole, garden of diameter 9～11mm, the mesh center of circle is 14～16mm at interval.
Described plasma sterilization device, whether its described light sensor is to have the aura phenomenon to produce when detecting sterilization.
Described plasma sterilization device, its described light sensor, detection contains wavelength ultraviolet light between 100nm～400nm.
Described plasma sterilization device, its described hydrogen peroxide storage bottle, liquid level sensor, hydrogen peroxide baffle plate are that plastics or other resistant materials are made.
Described plasma sterilization device, its described canister, Zhou Yuan is provided with the canister heating jacket in its outside, is provided with external temperature sensor in the canister heating jacket.
Parallel low temperature plasma bactericidal unit of the present utility model has been compared following difference with existing other low-temperature plasma bactericidal units, by the parallel connection of mesh-like metal antenna, common and the canister formation region of discharge with the above mesh-like metal antenna of at least two covers, reached powerful requirement, thereby the density of plasma in the big volumetrical canister is reached than higher level, thereby reach splendid sterilization effect.Detect the generation of aura by light sensor, can judge whether plasma has produced, by direct current build-up of luminance device, improved the success rate of device generation plasma, by the disinfective action of canister external heat device enhancing hydrogen peroxide, by leaded firmization glass, avoided the leakage of rays such as ultraviolet, by the physical principle of peristaltic pump, make the different injection devices of hydrogen peroxide directly contact the situation of avoiding the common metal electromagnetic valve to be corroded.Device provided by the utility model can obtain the plasma discharge power bigger than other low-temperature plasma bactericidal units, bigger sterilization volume, higher success rate, better Disinfection Effect, (generally below 60 ℃) can obtain splendid sterilization effect at a lower temperature, avoided the influence of high-temperature sterilization to apparatus, can kill antibacterial and virus in the slit that is penetrated into apparatus, the sterilization ability improves, this utility model is only got rid of a spot of water and oxygen, do not have waste gas to produce, also can not make has residual material on the apparatus.
Description of drawings:
Fig. 1, be the parallel low temperature plasma bactericidal unit one example structure sketch map of this utility model.
The specific embodiment:
The utility model is described in further detail for accompanying drawing in conjunction with the embodiments.
As shown in Figure 1, a kind of parallel low temperature plasma bactericidal unit, comprise canister 1, crown cap door 2, two mesh- like metal antennas 3,31, vacuum pump 4, vacuum ripple pipe 5, dielectric support block 6, plymetal 7, two radio- frequency electrodes 8,81, two DC electrode 9,91, two radio-frequency power supplies 10,101, two dc sources 11,111, two adaptive RF bonders 12,121, vacuometer 13, internal temperature sensor 14, humidity sensor 15, light sensor 16, hydrogen peroxide storage bottle 17, peristaltic pump 18, liquid level sensor 19, silica gel catheter 20, hydrogen peroxide baffle plate 21, leaded tempering glass window 22, the anti-travel switch 23 of pressing, canister heating jacket 24, external temperature sensor 25, holding wire 26, cyclelog 27, wherein:
Canister 1 is cylindrical or cube, frame ground, the one end has crown cap door 2, crown cap door 2 is provided with observation window 22, the one anti-travel switch 23 of pressing, be useful on the silicon materials sealing ring of sealing between canister 1 side and the crown cap door 2, observation window 22 has radiation-resistant leaded safety glass and plays the metal twine of shielding action.Canister 1 inwall is provided with a plurality of dielectric support block 6, two 8,81, two DC electrode 9,91 of radio-frequency electrode, vacuometer 13, internal temperature sensor 14, humidity sensor 15, light sensor 16, and whether light sensor 16 detects has aura to produce; A plurality of dielectric support block 6 the inners are connected with two mesh- like metal antennas 3,31, two mesh- like metal antennas 3,31 are parallel near canister 1 inner surface, two mesh- like metal antenna 3,31 mutual sides are gapped, the shape and canister 1 inwall of two mesh- like metal antennas 3,31 are suitable, the spacing of itself and canister 1 inwall is 5mm～30mm, and light sensor is between canister and mesh-like metal antenna.Mesh-like metal antenna 3 is electrically connected with radio-frequency electrode 8, DC electrode 9 respectively, and mesh-like metal antenna 31 is electrically connected with radio-frequency electrode 81, DC electrode 91 respectively.
The mesh of two mesh- like metal antennas 3,31 is the hole, garden of diameter 10mm, and the mesh center of circle is 15mm at interval.
Canister 1 central part is provided with plymetal 7, and plymetal 7 is 3,31 encirclements of mesh-like metal antenna, and plymetal 7 is affixed through insulation support and canister 1 inwall.
Canister 1 connects with vacuum pump 4 by vacuum ripple pipe 5 and is connected, and connects with hydrogen peroxide storage bottle 17 by silica gel catheter 20 to be connected, and silica gel catheter 20 is provided with peristaltic pump 18, and peristaltic pump 18 is accurate priming device.Hydrogen peroxide storage bottle 17 is that plastics or other resistant materials are made, and corresponding fixture and decompressor are arranged, and prevents that the hydrogen peroxide volatilization from causing pressure excessive, and liquid level sensor 19 is arranged in it, and liquid level sensor 19 is that plastics or other resistant materials are made.The port of silica gel catheter 20 in canister 1 the part on the mesh-like metal antenna 3 is had hydrogen peroxide baffle plate 21, hydrogen peroxide baffle plate 21 is that plastics or other resistant materials are made.
Two radio-frequency electrodes, 8,81 difference orders on canister 1 inwall are electrically connected with two adaptive RF bonders 12,121, two radio-frequency power supplies 10,101 outside the canister 1; DC electrode 9,91 is electrically connected with canister 1 two dc sources 11,111 outward.
Canister 1 outside Zhou Yuan is provided with canister heating jacket 24, is provided with external temperature sensor 25 in the canister heating jacket 24.
Cyclelog 27 is positioned at outside the canister 1, be electrically connected with liquid level sensor 19 through holding wire 26, and be electrically connected with vacuum pump 4, two radio-frequency power supplies 10,101, two dc sources 11,111, two adaptive RF bonders 12,121, vacuometer 13, internal temperature sensor 14, humidity sensor 15, light sensor 16 and the anti-travel switch 23 of pressing respectively.
Operation principle of the present utility model is such: will need the medical apparatus and instruments packing of sterilization to be placed on the plymetal 7 in the canister 1 with non-woven fabrics, close crown cap door 2, start vacuum pump 4, extract the gas in the canister 1, inject hydrogen peroxide by peristaltic pump 18, restart two radio-frequency power supplies 10,101, with two radio- frequency electrodes 8,81 electromagnetic waves that produce arrive 1 li of canister by transmission line, at two mesh- like metal antennas 3,31 and canister 1 inwall form the radio-frequency discharge district, hydrogen peroxide gas forms plasma through after the ionization, wherein include molecule, excited atom, metastable atom, particle and ultraviolet such as free radical, gamma-rays, charged cloud form materials such as β ray, at this moment by being built in the generation of the light sensor 16 detection aura in the canister 1, there is aura to produce if detect, then continue with two radio- frequency electrodes 8,81 carry out isoionic discharge, and by two adaptive RF bonders 12,121 impedance adjustment, two radio- frequency power supplies 8,81 power that take place, make it be in the Best Coupling state, the electromagnetic wave of emission makes the gas ionization in the sealed metal container 1, form the plasma of uniform large-area, at this moment plasma is by two mesh-like metal antennas 3, sieve screen apertures on 31 enters the packing medical apparatus and instruments on the plymetal 7 on the insulating support, carries out the low-temperature plasma sterilization.If light sensor 16 does not detect aura, then start two dc sources 11,111, and regulate the power that two dc sources 11,111 take place by the self-adaptive direct flow impedance and carry out corona discharge by two DC electrode 9,91, after two DC electrode 9,91 are discharged successfully, restart two radio-frequency power supplies 10,101 and carry out work, the gas of two radio- frequency electrodes 8,81 in canister 1 is under the state of build-up of luminance, be easy to build-up of luminance, so just guaranteed the generation of the plasma of uniform large-area.
In view of cost, also can only establish a dc source 11, a DC electrode 9.
Hydrogen peroxide belongs to high effect disinfectants, has wide spectrum, efficiently, characteristics fast, in the time of 60 ℃, 10% hydrogen peroxide can be killed spore with 1min, in the time of 10 ℃, 10% hydrogen peroxide needs 200min just spore can be killed, under isoionic synergism, its sterilization usefulness greatly strengthens, so the week circle adds canister heating jacket 24 and detects the temperature sensor 25 that external temperature is used in the outside of canister 1, can accurately control canister 1 temperature inside, makes canister 1 inside be in 60-70 ℃, be the temperature of disinfectant with hydrogen peroxide usefulness the best, can strengthen the sterilization effect of low-temperature plasma sterilization so greatly.
In sum, the utility model advantage is: 1, can at any time detect the plasma situation, Avoid the build-up of luminance failure; 2, AC DC hybrid starting device has improved the sterilization success rate; 3, use Canister external heat cover heats, and has improved the sterilization effect of hydrogen peroxide.
Claims (9)
1. parallel low temperature plasma bactericidal unit comprises canister, at least two mesh-like metal antennas, vacuum pump, dielectric support block, plymetal, at least two cover radio-frequency power supplies and adaptive RF bonders and radio-frequency electrode, dc source, vacuometer, internal temperature sensor, humidity sensor, light sensor, hydrogen peroxide storage bottle, peristaltic pump, liquid level sensor, silica gel catheter, hydrogen peroxide baffle plate, holding wire, cyclelog; It is characterized in that:
Canister one end has the crown cap door, and the crown cap door is provided with observation window, the anti-travel switch of pressing, and between canister side and the crown cap door sealing ring is arranged; The canister inwall is provided with a plurality of dielectric support block, at least two radio-frequency electrodes, at least two DC electrode, vacuometer, internal temperature sensor, humidity sensor, light sensor; A plurality of dielectric support block the inner is connected with at least two mesh-like metal antennas, at least two mesh-like metal antennas are parallel near the canister inner surface, the mutual side of mesh-like metal antenna is gapped, the shape of mesh-like metal antenna and canister inwall are suitable, the spacing of itself and canister inwall is 5mm～30mm, and light sensor is between canister and mesh-like metal antenna; Each mesh-like metal antenna is electrically connected with a radio-frequency electrode, a direct current electrode respectively;
The canister central part is provided with plymetal, and plymetal is surrounded by the mesh-like metal antenna, and plymetal is affixed through insulation support and canister inwall;
Canister connects with vacuum pump by the vacuum ripple pipe and is connected, and connects with hydrogen peroxide storage bottle by silica gel catheter to be connected, and silica gel catheter is provided with peristaltic pump; In the hydrogen peroxide storage bottle liquid level sensor is arranged, the port of silica gel catheter in canister the part on the mesh-like metal antenna is had the hydrogen peroxide baffle plate;
Each radio-frequency electrode order on the canister inwall is electrically connected with adaptive RF bonder, the radio-frequency power supply outside the canister; Each DC electrode on the canister inwall is electrically connected with canister dc source outward;
Cyclelog is positioned at outside the canister, be electrically connected with liquid level sensor through holding wire, and be electrically connected with vacuum pump, at least two radio-frequency power supplies, at least two adaptive RF bonders, at least two dc sources, vacuometer, internal temperature sensor, humidity sensor, light sensor and the anti-travel switches of pressing respectively.
2. plasma sterilization device as claimed in claim 1 is characterized in that: described DC electrode, dc source, be at least one, and be electrically connected with at least two mesh-like metal antennas respectively.
3. plasma sterilization device as claimed in claim 1 is characterized in that: described canister is cylindrical or cube, frame ground.
4. plasma sterilization device as claimed in claim 1 is characterized in that: described observation window, be equipped with the metal twine of a radiation-resistant leaded safety glass and a shielding action.
5. plasma sterilization device as claimed in claim 1 is characterized in that: described mesh-like metal antenna, its mesh are the hole, garden of diameter 9～11mm, and the mesh center of circle is 14～16mm at interval.
6. plasma sterilization device as claimed in claim 1 is characterized in that: whether described light sensor is to have the aura phenomenon to produce when detecting sterilization.
7. plasma sterilization device as claimed in claim 1 is characterized in that: described light sensor, detection contains wavelength ultraviolet light between 100nm～400nm.
8. plasma sterilization device as claimed in claim 1 is characterized in that: described hydrogen peroxide storage bottle, liquid level sensor, hydrogen peroxide baffle plate are that plastics or other resistant materials are made.
9. plasma sterilization device as claimed in claim 1 is characterized in that: described canister, Zhou Yuan is provided with the canister heating jacket in its outside, is provided with external temperature sensor in the canister heating jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201041381U CN201020055Y (en) | 2007-04-05 | 2007-04-05 | Parallel connection type low-temperature plasma disinfection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201041381U CN201020055Y (en) | 2007-04-05 | 2007-04-05 | Parallel connection type low-temperature plasma disinfection device |
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| CN201020055Y true CN201020055Y (en) | 2008-02-13 |
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| CNU2007201041381U Expired - Fee Related CN201020055Y (en) | 2007-04-05 | 2007-04-05 | Parallel connection type low-temperature plasma disinfection device |
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Cited By (9)
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| CN106180079A (en) * | 2016-07-07 | 2016-12-07 | 洛阳高昌机电科技有限公司 | A kind of Nitrogen trifluoride plasma washing equipment |
| CN108185262A (en) * | 2017-12-27 | 2018-06-22 | 海泉百膳生物科技股份有限公司 | A kind of food processing vacuum microwave drying sterilizing installation |
| RU2670654C2 (en) * | 2016-11-25 | 2018-10-24 | Андрей Александрович Макаров | Method for producing a disinfectant and device for implementation thereof |
| CN109091690A (en) * | 2018-09-20 | 2018-12-28 | 华蓥市职业教育培训中心 | A kind of novel low temperature plasma sterilizer |
| CN110178646A (en) * | 2019-06-26 | 2019-08-30 | 山东友和菌业有限公司 | Needle mushroom strain sterilization tank |
| WO2019180703A1 (en) * | 2018-03-18 | 2019-09-26 | Nova Plasma Ltd. | Method and apparatus for pre-treating a catheter |
| CN110996830A (en) * | 2017-08-03 | 2020-04-10 | 蛇牌股份公司 | Modular cover for a sterile container and filter cover for such a cover |
| CN111629763A (en) * | 2017-11-30 | 2020-09-04 | 伊利诺斯工具制品有限公司 | Systems and methods for sterilization using non-thermal plasma generation |
| CN112432303A (en) * | 2020-12-14 | 2021-03-02 | 北京北清博育空气灭菌科技有限公司 | Plasma air sterilizer assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180079A (en) * | 2016-07-07 | 2016-12-07 | 洛阳高昌机电科技有限公司 | A kind of Nitrogen trifluoride plasma washing equipment |
| RU2670654C2 (en) * | 2016-11-25 | 2018-10-24 | Андрей Александрович Макаров | Method for producing a disinfectant and device for implementation thereof |
| RU2670654C9 (en) * | 2016-11-25 | 2018-12-12 | Андрей Александрович Макаров | Method for producing a disinfectant and device for implementation thereof |
| CN110996830A (en) * | 2017-08-03 | 2020-04-10 | 蛇牌股份公司 | Modular cover for a sterile container and filter cover for such a cover |
| CN110996830B (en) * | 2017-08-03 | 2023-04-28 | 蛇牌股份公司 | Cover for a sterilising container and filter cover device for such a cover |
| CN111629763A (en) * | 2017-11-30 | 2020-09-04 | 伊利诺斯工具制品有限公司 | Systems and methods for sterilization using non-thermal plasma generation |
| CN108185262A (en) * | 2017-12-27 | 2018-06-22 | 海泉百膳生物科技股份有限公司 | A kind of food processing vacuum microwave drying sterilizing installation |
| WO2019180703A1 (en) * | 2018-03-18 | 2019-09-26 | Nova Plasma Ltd. | Method and apparatus for pre-treating a catheter |
| US12090512B2 (en) | 2018-03-18 | 2024-09-17 | Nova Plasma Ltd. | Method and apparatus for pre-treating a catheter |
| CN109091690A (en) * | 2018-09-20 | 2018-12-28 | 华蓥市职业教育培训中心 | A kind of novel low temperature plasma sterilizer |
| CN110178646A (en) * | 2019-06-26 | 2019-08-30 | 山东友和菌业有限公司 | Needle mushroom strain sterilization tank |
| CN110178646B (en) * | 2019-06-26 | 2021-07-13 | 山东友和生物科技股份有限公司 | Sterilizing box for golden mushroom strain |
| CN112432303A (en) * | 2020-12-14 | 2021-03-02 | 北京北清博育空气灭菌科技有限公司 | Plasma air sterilizer assembly |
| WO2022127772A1 (en) * | 2020-12-14 | 2022-06-23 | 北京北清博育空气灭菌科技有限公司 | Plasma air sterilizer assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Parallel connection type low-temperature plasma disinfection device Effective date of registration: 20101228 Granted publication date: 20080213 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing Baixiang Science & Technology Co., Ltd. Registration number: 2010990001030 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Parallel connection type low-temperature plasma disinfection device Effective date of registration: 20101228 Granted publication date: 20080213 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: Beijing Baixiang Science & Technology Co., Ltd. Registration number: 2010990001030 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20160405 |
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| CF01 | Termination of patent right due to non-payment of annual fee |