CN205459175U - Attach to vacuum device of tooth body tissue - Google Patents
Attach to vacuum device of tooth body tissue Download PDFInfo
- Publication number
- CN205459175U CN205459175U CN201620052150.1U CN201620052150U CN205459175U CN 205459175 U CN205459175 U CN 205459175U CN 201620052150 U CN201620052150 U CN 201620052150U CN 205459175 U CN205459175 U CN 205459175U
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- Prior art keywords
- negative pressure
- tooth
- tissue
- obturator
- negative
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- 239000000463 material Substances 0.000 claims abstract description 30
- 239000003814 drug Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 239000007769 metal material Substances 0.000 claims abstract description 8
- 210000001519 tissue Anatomy 0.000 claims description 30
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000003479 dental cement Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 210000003254 palate Anatomy 0.000 claims 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 8
- 201000010099 disease Diseases 0.000 abstract description 6
- 206010063413 odontogenic cyst Diseases 0.000 abstract description 5
- 230000011164 ossification Effects 0.000 abstract description 4
- 208000007435 Periapical Abscess Diseases 0.000 abstract description 3
- 201000004328 Pulpitis Diseases 0.000 abstract description 3
- 208000002595 Radicular cyst Diseases 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 208000004480 periapical periodontitis Diseases 0.000 abstract description 3
- 201000005128 suppurative periapical periodontitis Diseases 0.000 abstract description 3
- 208000035473 Communicable disease Diseases 0.000 abstract description 2
- 206010037464 Pulpitis dental Diseases 0.000 abstract description 2
- 208000001783 Adamantinoma Diseases 0.000 abstract 1
- 208000031662 Noncommunicable disease Diseases 0.000 abstract 1
- 210000004262 dental pulp cavity Anatomy 0.000 abstract 1
- 244000005706 microflora Species 0.000 abstract 1
- 230000035807 sensation Effects 0.000 abstract 1
- 208000024891 symptom Diseases 0.000 abstract 1
- 230000001225 therapeutic effect Effects 0.000 abstract 1
- 208000015181 infectious disease Diseases 0.000 description 8
- 206010061218 Inflammation Diseases 0.000 description 6
- 230000004054 inflammatory process Effects 0.000 description 6
- 206010023146 Jaw cyst Diseases 0.000 description 4
- 230000003902 lesion Effects 0.000 description 3
- 206010060983 Apical granuloma Diseases 0.000 description 2
- 208000010029 ameloblastoma Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 201000009021 periapical granuloma Diseases 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 210000001114 tooth apex Anatomy 0.000 description 2
- 208000006386 Bone Resorption Diseases 0.000 description 1
- 206010011732 Cyst Diseases 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000024279 bone resorption Effects 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 210000003074 dental pulp Anatomy 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004195 gingiva Anatomy 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000002997 osteoclast Anatomy 0.000 description 1
- 230000002642 osteogeneic effect Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model provides a clinic treatment odontogenic non -infectious disease (like adamantinoma, keratocyst etc. ) and odontogenic infectious diseases's (like pulpitis, periapical periodontitis, periapical abscess, periapical cyst etc. ) the negative pressure odontogenic 0 who attaches to tooth hard tissue, including closure part, negative pressure machines, burden pressure measurer, liquor recovery ware, medicine placer, this tooth body negative pressure drainage device made by medical macromolecular material and metal material, and small in size, there is not obvious foreign body sensation, can be fixed in tooth hard tissue with closure part, pass through negative pressure machines, burden pressure measurer, the negative pressure control valve, keep local negative pressure, the tissue that the normal pressure leads to reduces owing to absorbing, symptoms such as pain, the osteogenesis that the improvement was produced by the negative pressure, simultaneously to dental pulp cavity, the periapex position ooze out liquid drainage suction, avoid oral microflora secondary pollution, reduce and infect the chance, greatly shorten the therapeutical cycle, especially obturator and closing cap are connected with the draw -in groove through the buckle, can open closing cap treating or changing dressings in carrying out tooth body according to the needs of the state of an illness at the treatment in -process, can reform the negative pressure after combining with the closing cap, the clinical efficacy and the efficiency of the relevant disease treatment of odontogenic have greatly been improved.
Description
Technical field
This utility model relates to medical instruments field, and more specifically this utility model relates to a kind of negative pressure device being attached to tissue of tooth, and it is used
Non-infectious and the infectious disease in clinical treatment Odontogenic cysts, be usable in ameloblastoma, odontogenic jaw cyst, pulpitis, periapical periodontitis,
The treatment of the diseases such as periapical cyst, periapical abscess, periapical granuloma.
Background technology
At present, clinical treatment Odontogenic cysts disease such as ameloblastoma, odontogenic jaw cyst great majority use decompression drainage art, at treatment dental pulp
Inflammation, periapical periodontitis, periapical cyst, periapical abscess, periapical granuloma etc. generally use open drainage, clinical evidence-based medicine EBM and scientific experiments
Proving, these therapies have good curative effect, reduce pressure or open drainage, it is therefore an objective to make local inflammation have a passage so that pressure is released,
Easing the pain and local damage, reduce the pressure in blister cavities, new bone formation around lesion region after pressure elimination, shrink of capsular space, such that it is able to reach
Preserve jawbone and anatomical dental structure, reduce operation wound, reduce relapse rate simultaneously.But so can cause follow-up problem, the most at present
The clinical decompression drainage art treatment cycle used is long, adds the chance that postoperative blister cavities infects, and gingiva draining hole of easily growing into needs secondary fenestration operation；
And open drainage can bring such as saliva of buccal cavity, food debris, the various microorganism in oral cavity and infected tissue to enter open pulp cavity even periapical, have
Inflammation that possible secondary is more serious and infection.Therefore, how to shorten treatment cycle, reduce infection chance, reduce traumatic treatment and become study hotspot.
Jawbone is most active position in tissue, runs into pressure and will activate osteoclast, causes bone resorption, and running into pulling force, then to activate skeletonization thin
Born of the same parents, cause osteogenetic process, and the principle of negative pressure is similar, tip of a root inflammation or cyst of jaw blister cavities hydrostatic pressure can be changed into negative pressure stress, by
In blister cavities, hydrostatic pressure causes pathological changes expansion growth factor to eliminate therewith, and osseous tissue is direction growth in blister cavities, thus shortens the course of disease, reduces simultaneously
Infect.Along with science and technology and the progress of field of medical device, materialogy, biomechanics are combined by this utility model, have invented one and have been attached to tooth
The negative pressure device of body sclerous tissues, the apical foramen of tooth structure being had by tissue of tooth itself, drain can form again negative pressure in blister cavities, no longer need simultaneously
In jawbone, to be chronically implanted the Prosthesis of negative pressure drainage, treatment cycle can be greatly shortened, reduce infection chance, in minimizing wound and mouth not
Suitable sense, improves the clinical efficacy for the treatment of Odontogenic cysts relevant disease, and achieves extraordinary effect in practice.
Summary of the invention
In order to solve the problems referred to above, this utility model provides a kind of negative pressure device being attached to tissue of tooth.
This utility model is by the following technical solutions: include Negative pressure machine, negative pressure tester, negative pressure control valve, packaged unit, liquid recovery device
And medicine placement device.
Further scheme of the present utility model is: Negative pressure machine is connected to negative pressure tester, and negative pressure tester passes through connecting portion and negative pressure control valve
Being connected, negative pressure control valve is connected with packaged unit by connecting portion, and packaged unit is connected with dental hard tissue by bonding agent；
Further scheme of the present utility model is: described packaged unit is made up of negative tube, obturator and closing cap, and obturator and closing cap are
Having resilient macromolecular material, obturator can form confined space with tissue of tooth under dental adhesive effect；Negative tube is by metal material system
Becoming, negative tube has vacuum suction hole towards one end of pulp cavity, and negative tube is concordant with exterior layer towards one end of buccal, and by connecting portion and
Negative pressure control valve communicates.
Further scheme of the present utility model is: the macromolecular material outer surface of described composition packaged unit is matsurface, and profile is circular or oval
Shape, according to the difference of front and back's pulp cavity form, a diameter of 2-10mm of macromolecular material, height is 1-2mm.
Further scheme of the present utility model is: the packaged unit that described macromolecular material is made can be according to occlusal surface, buccal labial surface and tongue palatal surface
The difference of form and height carries out mill and changes, and mill changes the part outside scope is limited to buckle and draw-in groove, it is impossible to destroy buckle and draw-in groove.
Further scheme of the present utility model is: the negative tube that the metal material of described packaged unit central authorities is made is held by macromolecular material, and with
The closely knit combination of macromolecular material, negative tube internal diameter is 0.5-1mm, and pulp cavity end has vacuum suction hole, and negative tube stretches out macromolecular material 1-10mm,
Buccal is concordant with macromolecular material, and is communicated with negative pressure control valve by connecting portion.
Further scheme of the present utility model is: described in be attached to the negative pressure device of dental hard tissue and also include liquid recovery device and medicine placement device.
Further scheme of the present utility model is: described liquid recovery device capacity is for more than 0 and less than or equal to 100 μ L, reclaiming negative pressure drainage
The material gone out, can be used for coherent detection by the material after reclaiming simultaneously.
Further scheme of the present utility model is: described medicine placement device capacity is more than 0 and less than or equal to 100mm3, can be according to different inflammation
Disease or infection type, place oxygen-enriched medicine, germ killing drugs, solidify medicine.
Further scheme of the present utility model is: described packaged unit exterior layer is plastics, resin or rubber, the metal material of described obturator central authorities
Material is medical titanium alloy, cochrome or rustless steel.
Further scheme of the present utility model is: the described negative pressure device being attached to dental hard tissue, its negative pressure tester and negative pressure control valve
Between for be flexibly connected, described tissue of tooth is dental hard tissue.
Beneficial effect
The beneficial effects of the utility model are, the most directly pass through when having filled up domestic and international clinical treatment odontogenic jaw cyst and periapical lesion
The device being attached to dental hard tissue can complete the blank of negative pressure drainage, and successfully avoiding odontogenic jaw cyst needs Fenestration drainage or operation to place
Drainage device and periapical lesion need a series of complication that open drainage etc. brings.This tooth body negative pressure drainage device can be attached directly to suffer from tooth,
Utilizing this natural structure of apical foramen of tooth, by Negative pressure machine, negative pressure tester, negative pressure control valve, Odontogenic cysts relevant disease is born by packaged unit
Pressing attraction and root pipe and the drain under aseptic conditions of periapical inflammation, such way is than conventional open drainage more useful control infection.Pass through liquid
The liquid drained can be collected and can carry out the coherent detections such as microorganism by body withdrawer, can be antibacterial, oxygen-enriched in pulp cavity release by medicine placement device
And coagulability medicine, root pipe and periapical infection thing are purged.Obturator is to be connected with draw-in groove by buckle, at therapeutic process with closing cap
In can need to open closing cap according to the state of an illness and carry out the treatment in tooth body or change dressings, be very easy to Clinical practice.
Accompanying drawing explanation
Fig. 1 is the negative pressure device structural representation being attached to dental hard tissue
In Fig. 1,001 is Negative pressure machine, and 002 is negative pressure tester, and 003 is negative pressure control valve, and 004 is connecting portion, and 005 is packaged unit
Obturator, 006 is packaged unit negative tube, and 007 is obturator draw-in groove, and 008 is the closing cap of packaged unit, and 009 is the buckle of closing cap.
Detailed description of the invention
Embodiment 1: a kind of tooth body negative pressure drainage device, refering to shown in Fig. 1,
The negative pressure device being attached to tooth body includes: Negative pressure machine, negative pressure tester, negative pressure control valve, packaged unit, liquid recovery device, medicine
Placement device, wherein the outside of packaged unit uses macromolecular material, can be plastics, and negative tube can use medical pure titanium, titanium alloy.Size chi
Very little making: packaged unit outer surface is matsurface, according to the difference of front and back's pulp cavity form, packaged unit is circular or oval, a diameter of
2-10mm, height is 1-2mm, and packaged unit can grind according to the form of concrete pulp cavity and change its form and height.The negative tube of enclosure interior is high
Molecular material holds, and combination closely knit with macromolecular material, and negative tube internal diameter is 0.5-1mm, and thickness is 0.5-1mm, and pulp cavity end has negative pressure and inhales
Drawing hole, negative tube stretches out macromolecular material 1-10mm at pulp cavity end, and negative tube buccal is concordant with macromolecular material, and by connecting portion and negative pressure
Control valve is connected.
Embodiment 2
A kind of tooth body negative pressure drainage device
The negative pressure device being attached to tooth body includes: Negative pressure machine, negative pressure tester, negative pressure control valve, packaged unit, liquid recovery device, medicine placement device,
Wherein the outside of packaged unit uses macromolecular material, can be resin, rubber, and negative tube can use medical pure titanium, titanium alloy.Size dimension
Making: packaged unit outer surface is matsurface, and according to the difference of front and back's pulp cavity form, packaged unit is circular or oval, a diameter of 2-10mm,
Being highly 1-2mm, packaged unit can grind according to the form of concrete pulp cavity and change its form and height.The negative tube of enclosure interior is by macromolecular material
Hold, and combination closely knit with macromolecular material, negative tube internal diameter is 0.5-1mm, and thickness is 0.5-1mm, and pulp cavity end has vacuum suction hole, negative
Pressure pipe stretches out macromolecular material 1-10mm at pulp cavity end, and negative tube buccal is concordant with macromolecular material, and by connecting portion and negative pressure control valve phase
Even.
Embodiment 3
A kind of tooth body negative pressure drainage device
The negative pressure device being attached to tooth body includes: Negative pressure machine, negative pressure tester, negative pressure control valve, packaged unit, liquid recovery device, medicine
Placement device, wherein the outside of packaged unit uses macromolecular material, can be resin, rubber, and negative tube can use cochrome or rustless steel.
The making of size dimension: packaged unit outer surface is matsurface, according to the difference of front and back's pulp cavity form, packaged unit is circular or oval, directly
Footpath is 2-10mm, and height is 1-2mm, and packaged unit can grind according to the form of concrete pulp cavity and change its form and height.The negative pressure of packaged unit central authorities
Pipe is held by macromolecular material, and combination closely knit with macromolecular material, and negative tube internal diameter is 0.5-1mm, and thickness is 0.5-1mm, and pulp cavity end has
Vacuum suction hole, negative tube stretches out macromolecular material 1-10mm at pulp cavity end, and negative tube buccal is concordant with macromolecular material, and passes through connecting portion
It is connected with negative pressure control valve.
Embodiment 4:
This embodiment is the specifically used method of the tooth body negative pressure drainage device of above example, first suffers from tooth according to therapentic part and treatment, presses
Open marrow according to opening marrow principle by suffering from tooth, form one and lead to root pipe and finally to the passage smooth, linearly of the tip of a root, thoroughly clean and shape root pipe,
Routine disinfection, with dried, can first dispose liquid-sucting device and medicine placement device, then select not according to root pipe and occlusal form and size
With the packaged unit of size, packaged unit can be polished and adjust and reform, and is allowed to consistent with pulp cavity and occlusal surface form, uses dental adhesive afterwards
Obturator is adhered to dental hard tissue, closing cap is incorporated into obturator by draw-in groove and buckle, be now formed for inside and outside packaged unit completely enclosed
State, treat that bonding agent solidifies, we are by Negative pressure machine, negative pressure tester as one entirely through connecting portion and negative pressure control valve and packaged unit
Being connected, the gas sucking-off then carrying out enclosed area forms subnormal ambient.According to the difference of kinds of Diseases, we can adjust the big of required negative pressure
Little.Apical area transudate can be carried out drain by this kind of negative pressure state, simultaneously facilitates reducing of tip of a root blister cavities, accelerates ossification.
By using a tooth body negative pressure drainage device, it has the advantage that
1, there are lasting subnormal ambient and relative aseptic environment in root pipe；
2, the material after drain can conveniently detect
3, different medicines can be placed according to the difference for the treatment of type, convenient, flexible
4, dental pulp and the negative pressure drainage of periapical inflammation it are particularly well-suited to
5, promote tip of a root shrink of capsular space, accelerate the ossification around blister cavities.
6, wound is little.
Above content is to further description of the present utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.This
Utility model is for the average skilled worker of described technical field, without departing under premise of the present utility model, it is also possible to make multiple amendment and change
Changing, such as packaged unit is designed as polygon, negative tube is designed as rigid plastics etc., certainly, scope of the present utility model is by appended right
Require and equal scope determines.
Claims (11)
1. it is attached to a negative pressure device for tissue of tooth, including: Negative pressure machine, negative pressure tester, negative pressure control valve, packaged unit, liquid recovery device, medicine placement device, it is characterised in that:
Described Negative pressure machine is connected to negative pressure tester, negative pressure tester is connected with negative pressure control valve, negative pressure control valve is connected with packaged unit by connecting portion, described tissue of tooth is dental hard tissue, described obturator is connected by dental adhesive with dental hard tissue, for being flexibly connected between described Negative pressure machine, negative pressure tester and negative pressure control valve.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 1, it is characterized in that: packaged unit is made up of negative tube, obturator and closing cap, obturator and closing cap are to have resilient medical macromolecular materials, negative tube is made up of metal material, and wherein obturator is closely knit is paperwrapped in the negative tube that metal material is made.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 2, it is characterised in that: described obturator and closing cap outer surface are matsurface, according to the form of front and back's pulp cavity, the profile of obturator and closing cap are set to cylinder or ellipse.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 3, it is characterised in that: obturator is opened or closed by buckle and draw-in groove with closing cap, can repeated multiple times operate.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 3, it is characterised in that: obturator and a diameter of 2-10mm of closing cap, height is 1-2mm.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 3, it is characterised in that: described obturator and closing cap can be according to pulp cavity and Tooth surface forms with highly carry out mill and change.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 6, it is characterised in that: described obturator and closing cap mill change the part outside scope is limited to buckle and draw-in groove, it is impossible to destroy buckle and draw-in groove.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 2, it is characterized in that: the negative tube that described metal material is made is closed body and holds, and combination closely knit with obturator, negative tube internal diameter is 0.5-1mm, tube wall is 0.5-1mm, and negative tube has vacuum suction hole towards one end of pulp cavity, and negative tube is stretching out exterior layer 1-10mm on the direction of pulp cavity, negative tube is concordant with exterior layer towards one end of buccal, and is communicated with negative pressure control valve by connecting portion.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 8, it is characterised in that: negative tube, towards buccal opening, can be opened on tongue palate side or lip buccal side.
A kind of negative pressure device being attached to tissue of tooth the most according to claim 1, it is characterised in that: liquid recovery device capacity is more than 0 and less than or equal to 100 μ L, and medicine placement device capacity is more than 0 and less than or equal to 100mm3。
11. a kind of negative pressure devices being attached to tissue of tooth according to claim 2, it is characterised in that: described macromolecular material is plastics, resin or rubber, and described metal material is medical pure titanium, titanium alloy, cochrome or rustless steel.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052150.1U CN205459175U (en) | 2016-01-20 | 2016-01-20 | Attach to vacuum device of tooth body tissue |
| PCT/CN2016/094011 WO2017124730A1 (en) | 2016-01-20 | 2016-08-08 | Negative pressure drain device attached to tissue of tooth |
| US15/521,005 US20180085205A1 (en) | 2016-01-20 | 2016-08-08 | A Negative Pressure Drainage Device Attached to Dental Tissue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052150.1U CN205459175U (en) | 2016-01-20 | 2016-01-20 | Attach to vacuum device of tooth body tissue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205459175U true CN205459175U (en) | 2016-08-17 |
Family
ID=56670395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620052150.1U Active CN205459175U (en) | 2016-01-20 | 2016-01-20 | Attach to vacuum device of tooth body tissue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205459175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043448A (en) * | 2020-10-09 | 2020-12-08 | 孙毅 | Negative pressure device attached to tooth tissue |
| CN112569415A (en) * | 2020-12-28 | 2021-03-30 | 常州市口腔医院 | Guiding and sprouting therapeutic drainage device for buried teeth |
-
2016
- 2016-01-20 CN CN201620052150.1U patent/CN205459175U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043448A (en) * | 2020-10-09 | 2020-12-08 | 孙毅 | Negative pressure device attached to tooth tissue |
| CN112569415A (en) * | 2020-12-28 | 2021-03-30 | 常州市口腔医院 | Guiding and sprouting therapeutic drainage device for buried teeth |
| CN112569415B (en) * | 2020-12-28 | 2023-08-22 | 常州市口腔医院 | Buried tooth guide sprouting treatment drainage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180809 Address after: 272500 Shandong province Jining City Wenshang County Zhong Du Street Office Patentee after: Shandong yning Medical Instrument Co.,Ltd. Address before: 100853 Department of Stomatology, General Hospital of PLA, 28 Fuxing Road, Haidian District, Beijing Co-patentee before: Wen Ning Patentee before: Dang Ruijie Co-patentee before: Gu Bin Co-patentee before: Liu Na Co-patentee before: Guo Bin Co-patentee before: Zhao Lisheng Co-patentee before: Liu Chenjing |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240725 Address after: No.18-D12168 Jianshe Road, Kaixuan Street, Liangxiang, Fangshan District, Beijing 102400 Patentee after: Beijing Huifang Medical Technology Co.,Ltd. Country or region after: China Address before: 272500 Shandong province Jining City Wenshang County Zhong Du Street Office Patentee before: Shandong yning Medical Instrument Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |