CN204484368U - A kind of rotary squeezing with porous self-bone grafting structure is with regard to bit-type tooth implant - Google Patents
A kind of rotary squeezing with porous self-bone grafting structure is with regard to bit-type tooth implant Download PDFInfo
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- CN204484368U CN204484368U CN201520154723.7U CN201520154723U CN204484368U CN 204484368 U CN204484368 U CN 204484368U CN 201520154723 U CN201520154723 U CN 201520154723U CN 204484368 U CN204484368 U CN 204484368U
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Abstract
Rotary squeezing with porous self-bone grafting structure, with regard to a bit-type tooth implant, belongs to tooth-planting tooth implant technical field.It comprises tooth implant, tooth implant head is provided with the groove that is fixedly connected with turn tooth implant in the blind hole of the plantation base station of artificial tooth and blind hole, the outer wall of tooth implant is tapered, it is characterized in that tooth implant outer wall top is similar bone trabecular mutually through cell structure, cell structure becomes spiral salient shape, tooth implant outer wall bottom is tapping screw thread, and the latter half of tapping screw thread is provided with spiral type thread self tapping groove or straight type screw thread self tapping groove.This utility model can have enough intensity to bear artificial tooth applied pressure, tension force, shearing force, and with the grappling keeping tooth implant firm, the simultaneously good biocompatibility of tool again, can make tooth implant and body bone tissue fully merge.
Description
Technical field
This utility model belongs to tooth-planting tooth implant technical field, is specifically related to a kind of rotary squeezing with porous self-bone grafting structure with regard to bit-type tooth implant.
Background technology
What Dental implantion technology was known as and 20th century dentistry history is attracted people's attention most one is in progress greatly, also be a specialty in recent years with fastest developing speed in stomatology, at western developed country, Dental implantion technology has obtained universal and application on a large scale, has become the prefered method that anodontia is repaired; At home, Dental implantion technology is also progressively in big and medium-sized cities promotion and application.In order to Improvement and perfection Dental implantion technology, there has been proposed many technical schemes about tooth implant, as notification number: 202801836U " a kind of tooth implant of high-compatibility ", notification number: 202801839U " a kind of tooth-planting tooth implant ", notification number: 202821679U " a kind of detachable Dental Implant plantation ", publication number " 1981719 " implant tooth device and forming methods thereof ", notification number: 202859342U " a kind of combination type Dental implantion component ", notification number: 202950781U " a kind of compound tooth implant ", notification number: 203122645U " a kind of anodontia implantation body ", the technical schemes such as notification number: 203953849U " combination type Dental Implant ", though above-mentioned technical scheme respectively has its feature, but all there is different disadvantages.As notification number: the technical scheme of 202801836U: as described in the elongate rod 5 porous tantalum structure 4 that completely inserted-shape matches with it, described porous tantalum structure 4 main body is column.The disadvantage that said structure exists is because porous tantalum structural strength is limited, and main body is again in column, so it is large to be implanted difficulty in jawbone, also large to the damage of jawbone; Notification number: 202801839U, is all filled with porous tantalum material in described central vertical passage 2 and described horizontal channel 4.The original idea of its structure improves the biocompatibility of Dental Implant, but the contact area of porous tantalum and jawbone is very limited, so its structure does not reach the biocompatibility object improving Dental Implant; Notification number: the disadvantage that 202821679U structure exists and notification number: 202801839U, technical scheme identical, porous tantalum structure 4 is very little with compared with the contact area of jawbone with whole detachable Dental Implant implantation body with the contact area of jawbone, and the biocompatibility effect improving Dental Implant is very little; Publication number " 1981719 structure: certain position of apparatus main body is provided with the screw portion forming spiral shell tooth, and is provided with the porous portion be made up of the porous pore of sintering metal powder molding at other position.The disadvantage that this structure exists is that the porous portion of porous pore composition can affect the intensity of apparatus main body; Notification number: although the structure biocompatibility of 202859342U is given prominence to, the disadvantage existed is in the described root 3 porous tantalum structure that inserted-shape matches with it completely, the therefore intensity difference of its tapping screw thread; The disadvantage of the structure existence of notification number: 202950781U is identical with the structure of notification number: 202859342U, because described compound tooth implant is made up of body 1 and porous tantalum skin 2, so its tapping screw thread is made up of porous tantalum skin 2 entirely, the therefore intensity difference of tapping screw thread; The structure of notification number: 203122645U is because body 1 top is with angular thread 2, and described porous tantalum layer 3 is attached to described body 1 bottom, and therefore its disadvantage existed is the intensity difference of tapping screw thread equally; Because foundation pile (1) adopts porous tantalum product, although biocompatibility is given prominence to, also there is the disadvantage of the intensity difference of tapping screw thread in the structure of notification number: 203953849U.
Summary of the invention
The purpose of this utility model is the disadvantage existed for above-mentioned existing implantation body, there is provided a kind of rotary squeezing with porous self-bone grafting structure with regard to bit-type tooth implant, it can guarantee that tooth implant tapping screw thread has enough rigidity to implant in jawbone, enough intensity is had to bear artificial tooth applied pressure, tension force, shearing force, to keep the grappling that tooth implant is firm, the simultaneously good biocompatibility of tool again, can make tooth implant and body bone tissue fully merge.
Above-mentioned goal of the invention is achieved through the following technical solutions, a kind of band porous self-bone grafting structure rotary squeezing is with regard to bit-type tooth implant, it comprises tooth implant, tooth implant head is provided with the blind hole that is fixedly connected with the plantation base station of artificial tooth, the outer wall of tooth implant is tapered, its main points are that tooth implant outer wall top is similar bone trabecular mutually through cell structure, cell structure becomes spiral salient shape, tooth implant outer wall bottom is tapping screw thread, and the latter half of tapping screw thread is provided with spiral type thread self tapping groove or straight type screw thread self tapping groove.
As preferably, loose structure body thickness is 0.3 ~ 1.5mm, the porosity between 40% to 70%, and pore-size scope is 50 μm to 600 μm.
As preferably, it is trapezoidal or leg-of-mutton coarse plain thread that described cell structure becomes spiral salient shape to be its axial cross section.
As preferably, the circular or regular polygon of described blind hole or taper or circular screwhole or conical bolt hole; The groove of turn tooth implant is provided with in blind hole.
Use operation of the present utility model is as follows: first in jawbone position micro-shape electric drill prefabricated cylindricality plantation socket bore that defect tooth is corresponding, then tooth implant is loaded onto, with the groove in its head blind hole of nail spanner turn, tapping screw thread, spiral type thread self tapping groove or straight type screw thread self tapping groove is utilized progressively to be screwed in jawbone by tooth implant; Tooth implant does not first install base station after implanting, close wound and produce synosteosis in the non-loaded state with by district by tooth implant, zero load Integrated implant after date II stage operation through 3 ~ 6 months appears tooth implant, utilize the blind hole of tooth implant head circular or regular polygon or taper or circular screwhole or conical bolt hole, projection of stretching out corresponding on plantation base station is deep under tooth implant crown and is fitted together to, after connecting base station, completes the reparation of top tooth justice again.
From showing that it has following beneficial effect to structure of the present utility model and use operation description above: rotate at tooth implant and implant jawbone process in place, tooth implant outer wall top becomes the cell structure of spiral salient shape and jawbone to be embedded in skeleton because extruding to be formed farthest to fit tightly, the surface of cell structure is when extruding in place simultaneously, grinding is carried out to jawbone surface of bone, most of bone bits that grinding is got off are pressed in through cell structure, tooth implant is played to the effect of bone grafting, effectively can induce the growth of new bone, accelerated bone cohesive process, therefore it has outstanding biocompatibility, thus can enough primary stabilities be ensured, synosteosis speed and shorter repair time are faster provided, the preacceleration of stability disappearance in the early stage forms the second stage of stability of sufficient intensity as soon as possible.In addition, tooth implant outer wall bottom is the tapping screw thread of high strength material, it can guarantee that tooth implant tapping screw thread has enough rigidity to implant fast in jawbone, has again enough intensity to bear artificial tooth applied pressure, tension force, shearing force, can keep the grappling that tooth implant is firm; Further, because it is the tapered thread structure progressively attenuated, effectively gmatjpdumamics conduction can be distributed to surrounding socket bone, jawbone internal stress be disperseed, avoids causing damage to adjacent teeth; Be simple to operation, safety in operation again, not only easily screw in and also easily screw out simultaneously.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model
The A-A sectional view of Fig. 2: Fig. 1
Fig. 3: the using state figure of this utility model tooth
In Fig. 1-3,1-tooth implant, 2-artificial tooth, 3-kind plants base station, 4-blind hole, 5-groove, 6-outer wall, 7-cell structure, 8-tapping screw thread, 9-spiral type thread self tapping groove, 10-jawbone, 11-gingiva.
Detailed description of the invention
Embodiment below just represented by Fig. 1-3 is further described this utility model, it comprises tooth implant 1, tooth implant 1 head is provided with the groove 5 that is fixedly connected with turn tooth implant 1 in the quadrate blind hole 4 of the plantation base station 3 of artificial tooth 2 and blind hole 4, the outer wall 6 of tooth implant 1 is tapered, tooth implant 1 outer wall 6 top is similar bone trabecular mutually through cell structure 7, cell structure 7 one-tenth spiral salient shape, tooth implant 1 outer wall 6 bottom is tapping screw thread 8, and the latter half of tapping screw thread 8 is provided with spiral type thread self tapping groove 9; Cell structure 7 thickness is 1mm, the porosity of 60%, and pore-size is 300 μm; Cell structure 7 one-tenth spiral salient shape is its axial cross section is leg-of-mutton coarse plain thread.
Claims (5)
1. the rotary squeezing with porous self-bone grafting structure is with regard to bit-type tooth implant, it comprises tooth implant, tooth implant head is provided with the blind hole that is fixedly connected with the plantation base station of artificial tooth, the outer wall of tooth implant is tapered, it is characterized in that tooth implant outer wall top is similar bone trabecular mutually through cell structure, cell structure becomes spiral salient shape, and tooth implant outer wall bottom is tapping screw thread, and the latter half of tapping screw thread is provided with spiral type thread self tapping groove or straight type screw thread self tapping groove.
2. a kind of rotary squeezing with porous self-bone grafting structure according to claim 1 is with regard to bit-type tooth implant, it is characterized in that loose structure body thickness is 0.3 ~ 1.5mm, the porosity between 40% to 70%, and pore-size scope is 50 μm to 600 μm.
3. a kind of rotary squeezing with porous self-bone grafting structure according to claim 1 and 2 is with regard to bit-type tooth implant, and it is trapezoidal or leg-of-mutton coarse plain thread that its feature becomes spiral salient shape to be its axial cross section at described cell structure.
4. a kind of rotary squeezing with porous self-bone grafting structure according to claim 1 and 2 is with regard to bit-type tooth implant, and its feature is circular or regular polygon or taper or circular screwhole or conical bolt hole in described blind hole; The groove of turn tooth implant is provided with in blind hole.
5. a kind of rotary squeezing with porous self-bone grafting structure according to claim 3 is with regard to bit-type tooth implant, and its feature is circular or regular polygon or taper or circular screwhole or conical bolt hole in described blind hole; The groove of turn tooth implant is provided with in blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154723.7U CN204484368U (en) | 2015-03-18 | 2015-03-18 | A kind of rotary squeezing with porous self-bone grafting structure is with regard to bit-type tooth implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154723.7U CN204484368U (en) | 2015-03-18 | 2015-03-18 | A kind of rotary squeezing with porous self-bone grafting structure is with regard to bit-type tooth implant |
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| CN204484368U true CN204484368U (en) | 2015-07-22 |
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| CN201520154723.7U Active CN204484368U (en) | 2015-03-18 | 2015-03-18 | A kind of rotary squeezing with porous self-bone grafting structure is with regard to bit-type tooth implant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109789002A (en) * | 2016-09-27 | 2019-05-21 | 瓦罗克股份有限公司 | System for dental prosthesis to be connected to dental implant |
| CN111494035A (en) * | 2020-04-24 | 2020-08-07 | 深圳大洲医学科技有限公司 | Trabecular bone porous tantalum dental implant and preparation method thereof |
| CN111588508A (en) * | 2020-05-23 | 2020-08-28 | 河北春立航诺新材料科技有限公司 | Dental implant |
-
2015
- 2015-03-18 CN CN201520154723.7U patent/CN204484368U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109789002A (en) * | 2016-09-27 | 2019-05-21 | 瓦罗克股份有限公司 | System for dental prosthesis to be connected to dental implant |
| CN109789002B (en) * | 2016-09-27 | 2021-09-28 | 瓦罗克股份有限公司 | System for attaching a dental restoration to a dental implant |
| CN111494035A (en) * | 2020-04-24 | 2020-08-07 | 深圳大洲医学科技有限公司 | Trabecular bone porous tantalum dental implant and preparation method thereof |
| CN111588508A (en) * | 2020-05-23 | 2020-08-28 | 河北春立航诺新材料科技有限公司 | Dental implant |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG CANWELL MEDICAL CO., LTD. Free format text: FORMER NAME: KEHUI MEDICAL EQUIPMENT CO., LTD., ZHEJIANG |
|
| CP03 | Change of name, title or address |
Address after: 321016 Zhejiang Province, Jinhua city Wucheng District Xianghua Street No. 466 Patentee after: Zhejiang Ke Hui Medical Treatment Equipment Co., Ltd Address before: 321016 Zhejiang city in Jinhua Province, Xinhua Street No. 466 Patentee before: Zhejiang Canwell Medical Co., Ltd. |