CN201551406U - Implant for carrying out bone combination and bone distraction simultaneously - Google Patents
Implant for carrying out bone combination and bone distraction simultaneously Download PDFInfo
- Publication number
- CN201551406U CN201551406U CN2009202008271U CN200920200827U CN201551406U CN 201551406 U CN201551406 U CN 201551406U CN 2009202008271 U CN2009202008271 U CN 2009202008271U CN 200920200827 U CN200920200827 U CN 200920200827U CN 201551406 U CN201551406 U CN 201551406U
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Abstract
The utility model discloses an implant for carrying out bone combination and bone distraction simultaneously, wherein the appearance of a main body of the implant is in a sleeve spiral column-shaped structure of a common central shaft, and the implant is composed of three parts of an embedded central screw, an external hollow ring-shaped thread post and a force assistor. The implant has light and comfortable structure and simple operation, does not need multiple operation, saves the treatment time, and provides a convenient, reasonable and effective treatment concept and method for implanting and repair treatment of patients with insufficient bone mass.
Description
Technical field
This utility model relates to technical field of medical instruments, relates in particular to a kind of implantation body with distraction osteogenesis function.
Background technology
Artificial tooth root is implanted alveolar bone make it reach synosteosis (generally about 3-6 month) to be called the tooth planting technology in order to the technology of backer's industry and traffic tooth, artificial tooth root is an implantation body.It has characteristics such as damage is little, late result is good, is the first-selected repair mode after people's agomphosis.But for the patient that some alveolar ridges absorb, the shortage of implant bed bone amount brings certain difficulty can for directly plantation.Distraction osteogenesis (distractionosteogenesis, DO) be by certain stretch device is installed, make the osseous tissue of bone cutting section be subjected to the slow and stable traction and the tension force of certain speed and frequency, the propagation of active cell and complex functionality, impel the regeneration of osseous tissue, thereby reach a technology that increases bone amount purpose.In recent years, the DO technology is introduced into the tooth-planting surgical field to solve the problem of implant bed bone quantity not sufficient, has enlarged the indication of plantation, has obtained better therapeutic effect, has shown good prospects for application.Yet, planting technology needs bone stretching device is implanted jawbone behind the at present common distraction osteogenesis, make implant bed bone amount increase back dismounting bone stretching device (generally about March) by distraction osteogenesis and carry out implantation body's implantation again, thereby have operation often, the treatment course of treatment long, increased a series of shortcomings such as operation wound and medical expense; And at present the bone stretching device form of using clinically is bigger, also exist be worn in the mouth do not feel like oneself, deficiency such as easy infection.The above-mentioned shortcoming of existing bone stretching device has limited the utilization of distraction osteogenesis technology in field of planting to a certain extent.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, the implantation body that provides a kind of synosteosis and bone stretching to carry out simultaneously.
The purpose of this utility model is achieved through the following technical solutions: the implantation body that a kind of synosteosis and bone stretching are carried out simultaneously, this implantation body carries threaded post and hypomere retaining thread post to form by built-in center bolt, top.Wherein, it is cannulated threaded post that threaded post is carried on top, and inside and outside all have a screw thread.Hypomere retaining thread post is the enclosed cannulated threaded post in bottom, and inside and outside also all have a screw thread.The external screw-thread of hypomere retaining thread post carries the external screw-thread of threaded post consistent with top.Built-in center bolt two ends are screw thread, are connected by a bit of smooth metal bar between the two sections screw thread, and the screw-internal thread fit of threaded post, the screw-internal thread fit of lower end screw thread and hypomere retaining thread post are carried in its upper end screw thread and top.
Further, described top carries the threaded post top that the interior hexangle type hole of a bit of outer smooth is arranged.
Further, not before the stretching, top carries threaded post and hypomere retaining thread post closely to link into an integrated entity in implantation body, and the outside is shown as a screw thread planting body profile.
Further, described built-in center bolt top top is interior hexagonal screw socket, and the external diameter of described smooth metal bar is consistent with the internal diameter of built-in center bolt two sections screw thread or less than the internal diameter of two sections screw thread.
The beneficial effects of the utility model are: this utility model can carry out the synosteosis of implantation body simultaneously with the bone stretching, and after the bone stretching was finished, the stretching device then need not to take out.This utility model implantation body structure is light and handy, comfortable, simple to operate, need not repeatedly to perform the operation, and has saved treatment time.For bone quantity not sufficient patient's plantation repairing and treating provides a kind of convenience, rationally, effectively treats thinking and method.
Description of drawings
Fig. 1 is implantation body's cutaway view that this utility model synosteosis and bone stretching are carried out simultaneously;
Fig. 2 is the structural representation of built-in center bolt, wherein, (a) is front view, (b) is left view;
Fig. 3 is that the threaded stud structure sketch map is carried on top, wherein, (a) is front view, (b) is vertical view, (c) is the portion with external threads enlarged drawing;
Fig. 4 hypomere retaining thread rod structure sketch map wherein, (a) is front view, (b) is vertical view, (c) is the portion with external threads enlarged drawing;
Among the figure, 1, built-in center bolt, 2, top carries threaded post, 3, hypomere retaining thread post.
The specific embodiment
This utility model is on the synestotic principle of bone stretching and implantation body, a kind of bone stretching type implant of research design, bone stretching device and implantation body are combined, make it possess the dual-use function of bone stretching device and implantation body, when the bone stretching, implantation body can be used as the fixedly anchorage of distraction osteogenesis, has promptly increased maintenance power, and the synosteosis of implantation body and distraction osteogenesis are finished the same period; After the bone stretching finishes, can continue to stay functionating in the bone as the implantation body that supports the artificial tooth superstructure, avoided second operation.
This utility model is the implantation body that a kind of synosteosis and bone stretching are carried out simultaneously.This implantation body's main body profile is the bush whorl column structure of common center axle.As shown in Figure 1, implantation body carries threaded post 2 and hypomere retaining thread post 3 to form by built-in center bolt 1, top.Wherein, it is the hollow metal threaded post that threaded post 2 is carried on top, screw thread is all arranged inside and outside it, hypomere retaining thread post 3 is the enclosed cannulated threaded column in bottom, its external screw-thread carries the external screw-thread of threaded post 2 consistent with top, and built-in center bolt 1 two ends are screw thread, are connected by a bit of smooth metal bar between the two sections screw thread, the screw-internal thread fit of threaded post 2 is carried on its upper end screw thread and top, and the lower end is stretched in the hypomere retaining thread post 3 and the screw-internal thread fit of hypomere retaining thread post 3.
Particularly, shown in Fig. 2～4, it is the hollow metal threaded post that threaded post 2 is carried on top, all has screw thread, top that the interior hexangle type of a bit of outer smooth is arranged inside and outside it, wears the gum part for implantation body.Hexangle type can cooperate corresponding outer-hexagonal shape connector that implantation body is implanted jawbone in the top.Implantation body implants the upper back and carries the unstripped incision bone piece of threaded post 2 and tongue side mucosa to link together as the stretching part of distraction osteogenesis; Hypomere retaining thread post 3 is the enclosed cannulated threaded column in bottom, and its external screw-thread carries the external screw-thread of threaded post 2 consistent with top.Not before the stretching, top carries threaded post 2 and hypomere retaining thread post 3 closely to link into an integrated entity in implantation body, and the outside is shown as a screw thread planting body profile.Fixation plays after implanting jawbone in implantation body in distraction osteogenesis; The screw-internal thread fit of threaded post 2 is carried on the external screw-thread of built-in center bolt 1 main part and top, and its top, top is interior hexagonal screw socket, and this is the augmentor of bone stretching type implant.Implantation body cooperates corresponding assistor whenever to revolve and turns around after implanting jawbone, and built-in center bolt 1 carries threaded post 2 and 3 on hypomere retaining thread post to stretch out certain length on top.Simultaneously, top is carried 2 of threaded post to drive and is cut the upwards traction of bone piece, and in the synestotic process of implantation body, the stretching district also can form new bone and reach synosteosis with the built-in center bolt 1 that stretches out.The implant bed part is when increasing, and implantation body is also extended in the new bone that stretching generates.The lower end of built-in center bolt 1 also is a screw-like, match with the female thread of hypomere retaining thread post 3, when built-in center bolt 1 was carried out afterburning distraction osteogenesis, it can rotate in hypomere retaining thread post 3 freely, and hypomere retaining thread post 3 plays support, fixation in this process.Connect by a bit of smooth metal bar between the two sections screw thread of built-in center bolt 1, make that implantation body does not carry out stretching before, top carries threaded post 2 and hypomere retaining thread post 3 closely to connect as one.In addition, the screw-internal thread fit of threaded post 2 is carried on the external screw-thread of built-in center bolt 1 main part and top, makes its effect that also has guide post in distraction osteogenesis, and the direction that guarantees distraction osteogenesis is consistent with the implantation body major axis; Relatively stable than the external diameter of hypomere screw thread built-in center bolt 1 direction in hypomere retaining thread post 3 that also can make less than normal between the two sections screw thread of built-in center bolt 1 by a bit of smooth metal bar external diameter, be difficult for moving dislocation.
It is a close-connected integral body in implantation process that the said structure of this implantation body makes implantation body.Built-in center bolt 1 is carried threaded post 2 and 3 elongations of hypomere retaining thread post on the top of implantation body in the distraction osteogenesis process after the implantation, reaches the purpose that increases the bone amount.
In addition, after distraction osteogenesis was finished, the hollow space that outer annular screw thread cap side stays can design the base station of corresponding height in order to support superstructure.So both strengthened the intensity of hollow space implantation body, the connection for implantation body's superstructure provides a good maintenance again.
Claims (1)
1. the implantation body that carries out simultaneously of synosteosis and bone stretching is characterized in that this implantation body carries threaded post (2) and hypomere retaining thread post (3) to form by built-in center bolt (1), top; Wherein, it is cannulated threaded post that threaded post (2) is carried on top, and inside and outside all have a screw thread; Hypomere retaining thread post (3) is the enclosed cannulated threaded post in bottom, and inside and outside also all have a screw thread; The external screw-thread of hypomere retaining thread post (3) carries the external screw-thread of threaded post (2) consistent with top; Built-in center bolt (1) two ends are screw thread, are connected by a bit of smooth metal bar between the two sections screw thread, and the screw-internal thread fit of threaded post (2), the screw-internal thread fit of lower end screw thread and hypomere retaining thread post (3) are carried in its upper end screw thread and top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202008271U CN201551406U (en) | 2009-11-26 | 2009-11-26 | Implant for carrying out bone combination and bone distraction simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202008271U CN201551406U (en) | 2009-11-26 | 2009-11-26 | Implant for carrying out bone combination and bone distraction simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201551406U true CN201551406U (en) | 2010-08-18 |
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ID=42611078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202008271U Expired - Fee Related CN201551406U (en) | 2009-11-26 | 2009-11-26 | Implant for carrying out bone combination and bone distraction simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201551406U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102038556A (en) * | 2010-12-15 | 2011-05-04 | 中国人民解放军第四军医大学 | Bone stretching dental implant |
| EP2926749A4 (en) * | 2012-11-28 | 2016-07-13 | Mozo Grau S L | Alveolar distractor |
| CN117860409A (en) * | 2024-01-04 | 2024-04-12 | 广东中科安齿生物科技有限公司 | Lifting implant and lifting adjusting method thereof |
-
2009
- 2009-11-26 CN CN2009202008271U patent/CN201551406U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102038556A (en) * | 2010-12-15 | 2011-05-04 | 中国人民解放军第四军医大学 | Bone stretching dental implant |
| EP2926749A4 (en) * | 2012-11-28 | 2016-07-13 | Mozo Grau S L | Alveolar distractor |
| CN117860409A (en) * | 2024-01-04 | 2024-04-12 | 广东中科安齿生物科技有限公司 | Lifting implant and lifting adjusting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20111126 |