CN200987469Y - Laser health care toothbrush - Google Patents
Laser health care toothbrush Download PDFInfo
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- CN200987469Y CN200987469Y CN 200620048114 CN200620048114U CN200987469Y CN 200987469 Y CN200987469 Y CN 200987469Y CN 200620048114 CN200620048114 CN 200620048114 CN 200620048114 U CN200620048114 U CN 200620048114U CN 200987469 Y CN200987469 Y CN 200987469Y
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- health protection
- brush body
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Abstract
The utility model relates to a laser health care toothbrush, which is characterized in that: the utility model is composed of a handle and a brush body connected with the handle as one body, a battery, a switch and a semiconductor laser are arranged in the handle with the semiconductor laser on the orifice of the handle contacting with one end of the brush body, the switch is arranged between the semiconductor laser and the battery, the other end of the brush body, which is a hollow pipe, is connected with the brush head which comprises a reflector connected with the brush body, a light guide plate in the brush body and a bristle bundle on the light guide plate. The utility model can achieve the effect of prevention of oral disease, tooth cleaning and whitening, enhancement of blood circulation and lipid-lowering by means that the laser beamed from the semiconductor laser is diverged with mesh division by the light guide groove on the light guide plate and is dispersed from the bristle bundle. Further, the utility model has the function of safety protection and the advantage of reliability in use.
Description
Technical field
The utility model relates to a kind of tooth brush for health protection, relates in particular to a kind of family expenses semiconductor laser tooth brush for health protection of adopting laser irradiation human oral cavity and tooth position.
Background technology
At present, both at home and abroad to dental prosthetics and of a great variety to the instrument of oral health, though characteristics are respectively arranged, function singleness, method is outmoded.
For example: the apparatus of known cleaning teeth is the brush of band row shape hairbrush, and doing back and forth behind the adapted cleaning agent (toothpaste) on tooth, the friction action reaches the purpose that cleans the teeth.Develop electron ion toothbrush, magnetic tooth, electronic vibration toothbrush or the like now again, these toothbrushes all have its characteristic separately, but have localization, and are backward in technique, so effect is not remarkable.
Along with development of science and technology, laser technology has been penetrated into every field, can influence the permeability of cell membrane after low-energy laser (630-650nm) irradiation, the activity of the enzyme in the influence tissue, and RNA's is synthetic and active in the reinforcement histocyte, strengthens synthesizing of protein; YANG FU-SHOU et al., Bioeffact of lipohemiarabbits irradiated in oral mucosa with 650nm diode laser accompaniedoxygen inspiration and clinic application, " Laser Medicine and Surgery97 ', SPIE.VOL.3344:139～148.1997 "; Low-energy laser (630-650nm) irradiation can promote wound and ulcer healing, document experiment and clinical report, laser action is in the oral cavity, accelerate the new life of blood vessel and the reproductive process of neonatal cell, strengthen metabolism and histiocytic repair process, thereby make canker sore healing rapidly of disunion of a specified duration owing to the effect of laser; (chief editor such as Xu Guoxiang " laser medicine " Higher Education in Guangdong publishing house, 1987; P:111～112). the intraoral lymphoid tissue of laser irradiation (tonsillotome), can improve the blood circulation of local immunity organ, local immunity desmoenzyme increased activity, its glycogen and gamma globulin content increase, antibody produces to be increased, and activates the big molecule of some enzyme in the blood, for example lipoprotein lipase, lecithin cholesterol fatty aldehyde transferase etc., add the regulating action of neuroendocrine system, thus performance general immunity enhancement effect.(Gong Yuwei etc., Noninvasive semiconductor laser irradiation companion oxygen inhalation therapy is to the research of cerebral atherosclerosis patient SOD level affects, the laser medicine magazine, 1998,4:153～154. Chen Tingren etc., weak laser irradiation are to the influence of blood microcirculation, " the laser physical therapy science of acupuncture and moxibustion ", Guangdong science and technology publishing house, 1995; P:137～139) laser preventing decayed tooth C π in 1989 y*aeBH Φ (foreign medical science dentistry fascicle 1991:[1]) observes anti-caries effect with 630 ~ 650nm laser irradiation children neck portion, and the author thinks that the biological effect effect of low-energy laser has anticaries action.(Gu Xirong etc., weak laser preventing decayed tooth, " laser oral cavity, maxillofacial surgery " Guangdong science and technology publishing house, 1995; P:94～99)
Therefore, development semiconductor laser new technology has remarkable social benefit to the health treatment of oral cavity and tooth.
Summary of the invention
The purpose of this utility model is exactly in order to overcome the shortcoming of existing tooth brush for health protection, and a kind of employing semiconductor laser that proposes is diffused into human oral cavity and tooth position, performance laser is to the biostimulation of human body. the intraoral lymphoid tissue of laser irradiation (tonsillotome), can improve the blood circulation of local immunity organ, local immunity desmoenzyme increased activity, its glycogen and gamma globulin content increase, antibody produces to be increased, activate the big molecule of some enzyme in the blood, as lipoprotein lipase, lecithin cholesterol fatty aldehyde transferase etc., add the regulating action of neuroendocrine system, thus performance general immunity enhancement effect.And the optimum biological effect of regulating activating cell. collection oral cavity, teeth caring are the semiconductor laser tooth brush for health protection of one.
The technical scheme that the utility model is realized is: a kind of laser tooth brush for health protection is characterized in: comprise an one handle and a brush body that is connected as a single entity with handle; Battery, safety switch and semiconductor laser are set in the described handle, and described semiconductor laser is located at the oral area of handle, contacts with an end end of brush body; Described safety switch is located between semiconductor laser and the battery;
Described brush body is a hollow tube body, its other end connects head toothbrushes, described head toothbrushes comprises the reflection shield that is connected with the brush body, be located at LGP in the reflection shield, be located at the LGP below and with the hair brushing plate that the reflection shield base is connected with the brush body, be implanted with pieces on the described hair brushing plate
The laser that described laser instrument sends is transferred to head toothbrushes by the brush body hollow tube body, through being located at the LGP in the reflection shield, laser is transferred to the oral cavity and the tooth of human body by the pieces on the hair brushing plate again.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described LGP is made of a plate that adopts the macromolecule transparent plastic to make, and the one side of this plate is provided with many horizontal leaded light grooves.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described leaded light groove can be zigzag, also can be rectangle or other flute profiles.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described reflection shield inner face is coated with reflectorized material.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described semiconductor laser can produce continuously and the red diffused light of pulsed light beam.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described semiconductor laser sends the laser beam that operation wavelength is 600nm～700nm.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described handle adopts with the end of brush body fixedlys connected, or connects by this junctor dismountable type.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described bindiny mechanism constitutes by the internal thread that is provided with in the brush body end or external screw thread and at the external screw thread adaptive with it or the internal thread of handle end setting.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: described bindiny mechanism constitutes by the bayonet socket that is provided with in the brush body end or draw-in groove and at the draw-in groove adaptive with it or the bayonet socket of handle end setting.
Above-mentioned a kind of semiconductor laser tooth brush for health protection, wherein: also comprise a safety guard, described safety guard comprises that a stage clip and is serially connected in the protection switch between laser instrument and the anode; Described protection switch comprises that one is located at the contact of laser instrument afterbody, and this contact is relative with anode; Described stage clip is located between laser instrument afterbody and the battery tray outer baffle, and described stage clip is longer than the protection switch switch contact; When stage clip does not have when stressed, being connected between the switch contact of laser tube afterbody and battery limit has a gap.
Because the utility model has adopted above technical scheme, principles such as utilization bio-electric field RESONANCE ABSORPTION and the absorption of photopigment system, thereby reach prevent and treat mouth disease, clean the teeth multiple functions such as brightening, strengthen blood circulation, lipopenicillinase.
And, owing between laser tube and battery polar, be provided with to insulation a stage clip, open switch, laser tube is not connected with power supply immediately, and to wait brush body be connected back compressing stage clip with laser instrument, and when the afterbody switch contact of laser tube is contacted with battery, whole electric loop just forms, emission laser.Thereby avoided false triggering, improved dependability.
Description of drawings
Further specify performance of the present utility model, feature below in conjunction with embodiment and accompanying drawing.
Fig. 1 is the structural representation of the utility model semiconductor laser tooth brush for health protection embodiment;
Fig. 2 is the structural representation of the LGP of the utility model semiconductor laser tooth brush for health protection embodiment.
Fig. 3 is the utility model semiconductor laser tooth brush for health protection circuit theory schematic diagram.
The specific embodiment
See also the tooth brush for health protection of Fig. 1 the utility model laser, comprise an one handle 1 and a brush body 2 that is connected as a single entity with handle; Battery 11, switch 12 and semiconductor laser 13 are set in the described handle 1.Battery is located in the battery tray 111 of afterbody in the handle.Laser instrument 13 is located at the oral area of handle 1, contacts with an end end 21 of brush body; This semiconductor laser 13 can produce continuously and the red diffused light of pulsed light beam, and the operation wavelength that it sends during work is the laser beam of 600nm～700nm.
Described brush body 2 is a hollow tube body, its other end connects head toothbrushes 22, described head toothbrushes 22 comprises the reflection shield 221 that is connected with brush body, be located at LGP 222 in the reflection shield, be located at LGP 222 belows and with the hair brushing plate 223 that the reflection shield base is connected with brush body, be implanted with pieces 224 on the described hair brushing plate.Described reflection shield inner face is coated with reflectorized material.
Switch opens, the laser that sends from semiconductor laser tube passes through laser channeling, come out by planting the bristle diffusion on the hair brushing plate again, irradiation is on human oral cavity and tooth, make the biological effect that under weak laser irradiation, produces have the effect of the mouth disease of preventing and treating, if adapted laser brightening agent, then laser action is to tooth, and the nascent oxygen of its generation has the function of whitening teeth.
See also Fig. 2.In the tooth brush for health protection of the utility model semiconductor laser, described LGP 222 adopts transparent plastic material to make, be one plate-like, it has one side to traverse many leaded light grooves 2221 are set, and described leaded light groove can be zigzag, also can be rectangle or other flute profiles.Effect with disperse laser can make laser beam disperse uniformly, obtains reasonable, efficient laser biological effect.Can not assemble on one point from the laser that the semiconductor laser generator sends, and disperse and come out by disperse on the pieces from hair brushing plate by the leaded light groove lattice on the LGP.Laser is evenly distributed, soft.
Please consult Fig. 1 again.Handle described in the utility model adopts with the end of brush body fixedlys connected, or connects by this junctor dismountable type.Described bindiny mechanism can constitute by the internal thread that is provided with in the brush body end or external screw thread and at the external screw thread adaptive with it or the internal thread of handle end setting.This bindiny mechanism also can constitute by the bayonet socket that is provided with in the brush body end or draw-in groove and at the draw-in groove adaptive with it or the bayonet socket of handle end setting.Present embodiment is taked to be threaded in brush body end and handle end employing.
See also Fig. 3, Fig. 3 is the utility model semiconductor laser tooth brush for health protection circuit theory schematic diagram.Comprise K switch 1, laser instrument L, battery V among this figure, form the loop, wherein K switch 1 is located on the handle and (promptly is equivalent to the switch 12 described in Fig. 1), and it is between laser instrument L and GND.
Also comprise a safety guard, described safety guard comprises that a stage clip 3 and is serially connected in the protection switch K2 between laser instrument 13 and the anode; Described protection switch K2 is made of a contact that is located at the laser instrument afterbody, and this contact is relative with anode; Described stage clip 3 is located between laser instrument afterbody and battery tray 111 outer baffles 112, and this stage clip is longer than the protection switch switch contact; When stage clip does not have when stressed, being connected between the switch contact of laser tube afterbody and battery limit has a gap.
When not using this tooth brush for health protection, because the tension force of stage clip makes the contact of laser instrument separate with battery, and the interpolar of maintenance and battery has certain clearance, even at this moment turn on the power switch, power supply can not connected with laser tube yet, can not cause false triggering.Only when using this health care device, the head toothbrushes pommel is threaded with generating laser and precession gradually, overcome the elastic force of stage clip, contact with anode, just can make laser tube and battery formation loop and produce light source works to the contact that makes the thin end of laser tube afterbody.Prevented misoperation.
The utility model is different from the tooth brush for health protection of traditional simple function, is a kind of family expenses laser of new generation tooth brush for health protection of brand-new physiotherapy notion.It breaks through the simple function of prior art, and performance laser has the characteristic of good biological effect to human body, and the structure that has adopted the laser irradiation function synergic to cooperate, and can improve the blood circulation of oral cavity partial immune organ, prevents and treats common mouth disease.Its biggest advantage is to be convenient to operation, and is easy to carry, can reach the purpose of preventing and treating mouth disease in daily use.
The tooth brush for health protection of the utility model semiconductor laser is carried out 100 many cases clinical verifications through hospital, uses the result to show, can reach desirable effect.Interpretation of result is as follows:
1. laser tooth brush for health protection
Select mouth disease patient 70 examples, canker sore 39 examples wherein, periodontitis 10 examples, acute/chronic pharyngitis 13 examples, hypersensitive dentin 8 examples.The course of disease did not wait in 3 days～2 years.Maximum 69 years old of 70 routine patient ages, minimum 23 years old, 46 years old mean age.The male sex's 61 examples, women's 9 examples.
Alternative select slight tetracycline pigmentation teeth and dental fluorosis (dental fluorosis) totally 62 examples clean the teeth and brighten treatment, dental fluorosis (dental fluorosis) 42 examples wherein, slight tetracycline pigmentation teeth 20 examples.Amount to case totally 132 examples.
(1) method: the optical maser wavelength of laser tooth brush for health protection is 650nm, terminal power output 2～5mw.Send red laser at toothbrush pieces end during use,, also can use, with the absorption of enhancing medicine with medicated toothpaste with the routine the same operation of brushing teeth.Brushed teeth 5 minutes at every turn, sooner or later respectively once, observing effects after two weeks.
(2) prevention effect discrimination standard: recovery from illness: refer to that clinical symptoms disappears substantially, perhaps patient main suit recovers normal; Produce effects: refer to that clinical symptoms significantly improves the comfortable person of self-induction; Effectively: refer to that clinical symptoms obviously alleviates, patient's self-induction improvement person; Invalid one refers to lose symptom improvement person more than two weeks of control.
Please see the following form:
| The anti-kind of curing the disease | The example number | Method | Recovery from illness | Produce effects | Effectively | Invalid |
| Canker sore | 39 | Brush teeth | 34 | 5 | 0 | 0 |
| Periodontitis | 10 | Brush teeth | 6 | 3 | 1 | 0 |
| Hypersensitive dentin | 8 | Brush teeth | 4 | 3 | 1 | 0 |
| Acute/ |
13 | Brush teeth | 0 | 5 | 5 | 3 |
| Amount to | 70 | 44 | 16 | 7 | 3 |
Total effective rate 95%, cure rate 63%.
(3) functions of whitening teeth method: using method is the same, but puts into H in toothpaste
2O
2Two, carry out the inside and outside tooth surface of laser toothbrush brush, the laser actinic effect impels tooth surface to bleach gradually from Huang, observing effect after two weeks.
(4) the prevention effect discrimination standard that cleans the teeth: pure white for effectively, no change is invalid.
| The anti-kind of curing the disease | The example number | Method | Produce effects | Effectively | Invalid |
| Slight tetracycline pigmentation teeth | 20 | Toothpaste+H 2O 2 | 6 | 11 | 3 |
| The macula lutea tooth | 42 | Toothpaste+H 2O 2 | 16 | 25 | 1 |
Total effective rate 93%.
Show by above-mentioned data, because the laser tooth brush for health protection is to adopt the control of 650nm low-energy laser to mouth disease, be to realize in the process of brushing teeth by the laser toothbrush: the weak laser that is sent by bristle and optical material has carried out laser irradiation in the soft tissue in friction teeth surface and oral cavity, has therefore strengthened laser to intraoral biological effect.Clinical and experimental result shows: it all has good effect to anti-treating dental ulcer, periodontitis, hypersensitive dentin, acute/chronic pharyngitis etc.; And the effect that can make acquisitions such as dental fluorosis (dental fluorosis), slight tetracycline pigmentation teeth clean the teeth and progressively brighten.
In addition, the result also shows by experiment: can improve the level of superoxide dismutase (SOD) by laser toothbrush 650nm low-energy laser in the process of brushing teeth to the irradiation in oral cavity, statistical analysis shows P＜0.01.Simultaneously it can improve blood rheology parameter and blood microcirculation, statistical results show P＜0.05, thereby the microminiaturization that promotes the laser medicine technology, practicability, family oriented etc. are had realistic meanings, and arranged wide development prospect.
Claims (10)
1. laser tooth brush for health protection is characterized in that: comprise an one handle and a brush body that is connected as a single entity with handle; Battery, switch and semiconductor laser are set in the described handle, and described semiconductor laser is located at the oral area of handle, contacts with an end end of brush body; Described switch is located between semiconductor laser and the battery, forms the loop;
Described brush body is a hollow tube body, its other end connects head toothbrushes, described head toothbrushes comprises the reflection shield that is connected with the brush body, be located at LGP in the reflection shield, be located at the LGP below and with the hair brushing plate that the reflection shield base is connected with the brush body, be implanted with pieces on the described hair brushing plate;
The laser that described laser instrument sends is transferred to head toothbrushes by the brush body hollow tube body, through being located at the LGP in the reflection shield, laser is diffused into the oral cavity and the tooth of human body by the pieces on the hair brushing plate again.
2. a kind of laser tooth brush for health protection according to claim 1 is characterized in that: described LGP is made of a plate that adopts the macromolecule transparent plastic to make, and the one side of this plate is provided with many horizontal leaded light grooves.
3. a kind of laser tooth brush for health protection according to claim 2 is characterized in that: described leaded light groove can be zigzag, also can be rectangle.
4. a kind of laser tooth brush for health protection according to claim 2 is characterized in that: described reflection shield inner face is coated with reflectorized material.
5. a kind of laser tooth brush for health protection according to claim 1 is characterized in that: described semiconductor laser can produce continuously and the red diffused light of pulsed light beam.
6. a kind of according to claim 1 or 5 laser tooth brush for health protection is characterized in that: described semiconductor laser sends the laser beam that operation wavelength is 600nm～700nm.
7. a kind of laser tooth brush for health protection according to claim 1 is characterized in that: described handle adopts with the end of brush body fixedlys connected, or connects by this junctor dismountable type.
8. a kind of laser tooth brush for health protection according to claim 7 is characterized in that: described bindiny mechanism constitutes by the internal thread that is provided with in the brush body end or external screw thread and at the external screw thread adaptive with it or the internal thread of handle end setting.
9. a kind of laser tooth brush for health protection according to claim 7 is characterized in that: described bindiny mechanism constitutes by the bayonet socket that is provided with in the brush body end or draw-in groove and at the draw-in groove adaptive with it or the bayonet socket of handle end setting.
10. a kind of laser tooth brush for health protection according to claim 1 is characterized in that: also comprise a safety guard, described safety guard comprises that a stage clip and is serially connected in the protection switch between laser instrument and the anode; Described protection switch comprises that one is located at the contact of laser instrument afterbody, and this contact is relative with anode; Described stage clip is located between laser instrument afterbody and the battery tray outer baffle, and described stage clip is longer than the protection switch switch contact; When stage clip does not have when stressed, being connected between the switch contact of laser tube afterbody and battery limit has a gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048114 CN200987469Y (en) | 2006-11-24 | 2006-11-24 | Laser health care toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048114 CN200987469Y (en) | 2006-11-24 | 2006-11-24 | Laser health care toothbrush |
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| Publication Number | Publication Date |
|---|---|
| CN200987469Y true CN200987469Y (en) | 2007-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048114 Expired - Fee Related CN200987469Y (en) | 2006-11-24 | 2006-11-24 | Laser health care toothbrush |
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| CN (1) | CN200987469Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281797A (en) * | 2009-01-20 | 2011-12-14 | 赵炫珠 | Toothbrush |
| CN105193517A (en) * | 2015-09-11 | 2015-12-30 | 天津医科大学口腔医院 | Toothbrush containing narrow spectral LED (Light-Emitting Diode) red light |
| CN111544780A (en) * | 2020-05-15 | 2020-08-18 | 中国医学科学院北京协和医院 | Temporomandibular joint therapeutic instrument |
| US11684147B2 (en) | 2017-11-01 | 2023-06-27 | Koninklijke Philips N.V. | Oral healthcare personal appliance and brush head with integrated light guide along a hollow drive axis |
-
2006
- 2006-11-24 CN CN 200620048114 patent/CN200987469Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281797A (en) * | 2009-01-20 | 2011-12-14 | 赵炫珠 | Toothbrush |
| CN102281797B (en) * | 2009-01-20 | 2014-01-15 | 赵炫珠 | Toothbrush |
| CN105193517A (en) * | 2015-09-11 | 2015-12-30 | 天津医科大学口腔医院 | Toothbrush containing narrow spectral LED (Light-Emitting Diode) red light |
| US11684147B2 (en) | 2017-11-01 | 2023-06-27 | Koninklijke Philips N.V. | Oral healthcare personal appliance and brush head with integrated light guide along a hollow drive axis |
| CN111544780A (en) * | 2020-05-15 | 2020-08-18 | 中国医学科学院北京协和医院 | Temporomandibular joint therapeutic instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHANG JIANJUN Effective date: 20111202 Owner name: YANG FUSHOU Free format text: FORMER OWNER: SHANGHAI SHUNCHI LASER TECHNOLOGY CO., LTD. Effective date: 20111202 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111202 Address after: 200437 Shanghai city Hongkou District Yixian Road No. 50 Building No. 3 Co-patentee after: Zhang Jianjun Patentee after: Yang Fushou Address before: 200437 Shanghai city Hongkou District Yixian Road No. 50 Building No. 3 Patentee before: Shanghai Shunchi Laser Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 200082 room 17, No. 881, Lane 601, Xuchang Road, Shanghai Co-patentee after: Zhang Jianjun Patentee after: Yang Fushou Address before: 200437 Shanghai city Hongkou District Yixian Road No. 50 Building No. 3 Co-patentee before: Zhang Jianjun Patentee before: Yang Fushou |
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| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: ZHANG JIANJUN Effective date: 20121022 Owner name: SHANGHAI DAOHENG MEDICAL INSTRUMENT CO., LTD. Free format text: FORMER OWNER: YANG FUSHOU Effective date: 20121022 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200082 HONGKOU, SHANGHAI TO: 200331 PUTUO, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121022 Address after: 200331, No. 10, No. 2548 South Main Road, Shanghai, Putuo District, No. 2 Patentee after: Shanghai Daoheng Medical Equipment Co., Ltd. Address before: 200082 room 17, No. 881, Lane 601, Xuchang Road, Shanghai Patentee before: Yang Fushou Patentee before: Zhang Jianjun |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20141124 |
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| EXPY | Termination of patent right or utility model |