CN200948178Y - Bullet shaped screw type sacralization planted body - Google Patents
Bullet shaped screw type sacralization planted body Download PDFInfo
- Publication number
- CN200948178Y CN200948178Y CN 200620106569 CN200620106569U CN200948178Y CN 200948178 Y CN200948178 Y CN 200948178Y CN 200620106569 CN200620106569 CN 200620106569 CN 200620106569 U CN200620106569 U CN 200620106569U CN 200948178 Y CN200948178 Y CN 200948178Y
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- implant
- bone
- button
- bullet shaped
- utility
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- Expired - Fee Related
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Abstract
The utility model discloses a bone fusion implant button in bullet spiral type, which is in bullet shape, one half part of the utility model is a cylinder while the other half is a cone, the implant button is provided with spiral marking outside and the section of the spiral marking is rectangle, the superficies externa of the implant button is provided with nanometer apatite coating, a stage shaped hole connected with the operation base stage is arranged on the axial ray of the cylinder, the end with less diameter of the stage shaped hole is provided with inner spiral marking. In clinical application, the implant button is implanted in the bone in operation needs through the operation stage that fits the stage shaped hole. The bone damage amount of the implant button is little and the biting force is strong, the indication range of bone mass is wide, the bone confluence is fine and the serviceable life is long.
Description
Technical field
This utility model relates to a kind of spiral bone fusion of bullet shaped plantation implant that dentition defect is repaired that is used for, and belongs to stomatologic implantology field.
Background technology
The planting system of international mainstream is Branemark, Frialit-2, Astra, Replace, ITI, Biohorizons etc. (see: JP Geng, KB Tan, GR Liu.Application of finite elementanalysis in implant dentistry:a review of the literature.J ProsthetDent, 2001; 85 (6): 585-98).Wherein the cylindrical helical formula implantation body and the Replace of Branemark representative, the tool representative of the root of the tooth shape implantation body of Frialit-2 representative.Branemark, Astra, ITI are cylindrical helical formula implantation body, need to destroy more osseous tissue, and bone amount indication scope is narrower, and biomechanical compatibility is relatively poor.Frialit-2, Replace is strict to sclerotin, and screw thread is a taper, has higher stress distribution, and cortical bone sclerotin indication scope is narrower.
Summary of the invention
The purpose of this utility model provides a kind of have bigger bone amount and sclerotin indication scope, can bear bigger gmatjpdumamics, and the spiral bone of bullet shaped that possesses higher plantation success rate merges the plantation implant.
The spiral bone of bullet shaped of the present utility model merges the plantation implant, shape such as bullet shaped, its 1/2 section is cylinder, 1/2 section is cone in addition, implant has external screw thread, and the cross section of screw thread is rectangular, has coated with nano-apatite layer at the outer surface of implant, be provided with on cylindrical axis and be used for and the stepped hole that is connected of operation base station, the small-bore section of stepped hole has female thread.
During clinical practice, the plantation implant by with the supporting operation base station of its stepped hole, on the required bone of implant surgery.
The beneficial effects of the utility model are:
1. plant that to plant implant be bullet shaped, reduced the bone loss amount, enlarged the scope of bone amount indication.
2. planting the external screw thread cross section of planting implant is rectangle, and rectangular thread not only can effectively improve the contact rate of plantation bone interface, improves maximum biting force, and has enlarged the scope of sclerotin indication.
3. the outer surface at implant has the coated with nano-apatite layer for preparing with the biomimetic chemistry method, in the bionical coating of surface of metal titanium, its composition is an apatite film, a large amount of cell and zooperies prove that this coated with nano-apatite layer biologically active is good, obviously increase the synosteosis power of implant, and can reach the fusion of chemical bone in early days, significantly shorten the synosteotic time, be difficult for getting loose, the life-span is long.
Description of drawings
Fig. 1 is the structural representation of this utility model plantation implant.
The specific embodiment
With reference to Fig. 1, the spiral bone of bullet shaped of the present utility model merges the plantation implant, shape such as bullet shaped, its 1/2 section is cylinder, 1/2 section is cone in addition, the tapering of cone is generally 1～30 °, implant has external screw thread, and the cross section of screw thread is rectangular, at the outer surface of implant coated with nano-apatite layer is arranged, be provided with on cylindrical axis and be used for and the stepped hole that is connected of operation base station, the small-bore section of stepped hole has female thread.
Plantation implant of the present utility model can adopt pure titanium or titanium alloy to make.
Test shows that plantation implant of the present utility model is aspect the bone amount, and the bone diameter of section of bottom can reduce 2mm than column implantation body, and the bone loss amount obviously reduces.Aspect sclerotin, the elastic modelling quantity of cortical bone can be between 10000 to 13400Mpa, and more than the 13400Mpa that non-traditional implantation body is strict with, as seen the scope of this plantation implant sclerotin indication is big.For gmatjpdumamics, under the same conditions, plantation implant gmatjpdumamics of the present utility model can improve more than 20% at least.
The above-mentioned specific embodiment is used for this utility model of explaining; rather than this utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to this utility model is made all fall into protection domain of the present utility model.
Claims (3)
1. the spiral bone of bullet shaped merges the plantation implant, it is characterized in that implant is a bullet shaped, its 1/2 section is cylinder, 1/2 section is cone in addition, implant has external screw thread, and the cross section of screw thread is rectangular, at the outer surface of implant coated with nano-apatite layer is arranged, be provided with on cylindrical axis and be used for and the stepped hole that is connected of operation base station, the small-bore section of stepped hole has female thread.
2. the spiral bone of bullet shaped according to claim 1 merges the plantation implant, and the tapering that it is characterized in that cone is 1～30 °.
3. the spiral bone of bullet shaped according to claim 1 merges the plantation implant, and the material that it is characterized in that implant is pure titanium or titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106569 CN200948178Y (en) | 2006-08-10 | 2006-08-10 | Bullet shaped screw type sacralization planted body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106569 CN200948178Y (en) | 2006-08-10 | 2006-08-10 | Bullet shaped screw type sacralization planted body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200948178Y true CN200948178Y (en) | 2007-09-19 |
Family
ID=38890713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620106569 Expired - Fee Related CN200948178Y (en) | 2006-08-10 | 2006-08-10 | Bullet shaped screw type sacralization planted body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200948178Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886652A (en) * | 2010-06-13 | 2010-11-17 | 彭兴礼 | Threaded member and method for repairing part by using threads |
| CN106943216A (en) * | 2011-04-06 | 2017-07-14 | 德普伊新特斯产品有限责任公司 | The device assembly of implantation amendment hip prosthesis |
-
2006
- 2006-08-10 CN CN 200620106569 patent/CN200948178Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886652A (en) * | 2010-06-13 | 2010-11-17 | 彭兴礼 | Threaded member and method for repairing part by using threads |
| CN106943216A (en) * | 2011-04-06 | 2017-07-14 | 德普伊新特斯产品有限责任公司 | The device assembly of implantation amendment hip prosthesis |
| CN106943216B (en) * | 2011-04-06 | 2019-12-31 | 德普伊新特斯产品有限责任公司 | Instrument assembly for implanting revision hip prosthesis |
| US10603173B2 (en) | 2011-04-06 | 2020-03-31 | DePuy Synthes Products, Inc. | Orthopaedic surgical procedure for implanting a revision hip prosthesis |
| US10772730B2 (en) | 2011-04-06 | 2020-09-15 | DePuy Synthes Products, Inc. | Finishing rasp and orthopaedic surgical procedure for using the same to implant a revision hip prosthesis |
| US10888427B2 (en) | 2011-04-06 | 2021-01-12 | DePuy Synthes Products, Inc. | Distal reamer for use during an orthopaedic surgical procedure to implant a revision hip prosthesis |
| US10925739B2 (en) | 2011-04-06 | 2021-02-23 | DePuy Synthes Products, Inc. | Version-replicating instrument and orthopaedic surgical procedure for using the same to implant a revision hip prosthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |