CN204092234U - A kind of artificial tooth implantation body - Google Patents
A kind of artificial tooth implantation body Download PDFInfo
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- CN204092234U CN204092234U CN201420571071.2U CN201420571071U CN204092234U CN 204092234 U CN204092234 U CN 204092234U CN 201420571071 U CN201420571071 U CN 201420571071U CN 204092234 U CN204092234 U CN 204092234U
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- implant member
- thread
- equal
- artificial tooth
- hole
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Abstract
This utility model relates to a kind of artificial tooth implantation body.It is made up of implant member (1), retention means (2), retention sleeve (3) and extension spring (11); Implant member (1) is porous tantalum product, and porosity is 60% ~ 70%; Implant member (1) inside is provided with through hole (4), and there is gas thread through hole (4) side, and extension spring (11) is arranged at bottom; The stopper slot (5) of installation retention sleeve (3) is arranged at implant member (1) top; Retention means (2) bottom is threaded rod (6), and coordinates with through hole (4) side gas thread, and threaded rod (6) bottom is connected with extension spring (11) one end; Implant member (1) outer surface of upper has the annular groove (7) of circumference distribution, and middle part appearance is with trapezoidal thread (8) or rectangular thread, and lower external is with angular thread (9); Implant member (1) lower end is also provided with axially extended chip removal flute (10).This utility model connects closely, can anti-alternating force interference.
Description
Technical field
This utility model relates to oral cavity manual tooth planting, particularly relates to a kind of artificial tooth implantation body.
Background technology
At present, be applied to the artificial tooth implantation body in the manual tooth planting of oral cavity, include the compositions such as implant member, retention means and corona from bottom to top.But artificial tooth implantation body of the prior art, mostly not there is the effect of anti-alternating force, when it in use or install time, the effect being subject to alternating force moves past many to words lateral deviation, then easily occur in a short time loosening or coming off, add the operations such as plantation again, cause significant wastage; In addition, mostly also exist in existing project organization self tapping poor, implant difficulty, and the materials such as the soft tissue chip produced in implantation process are not easily discharged, and stay in the body to cause to addle, infect; The support force that the retention means exposing to dental surface is subject in the horizontal direction is lower, easily suffers the effect of horizontal lateral force and ruptures, mechanical property and reliability lower; Biocompatibility is poor, is connected defective tightness with body bone tissue, easy loose or dislocation etc. defect.
Utility model content
The purpose of this utility model is to provide a kind of artificial tooth implantation body, and this artificial tooth implantation body implants conveniently, connect closely, it can be avoided preferably to be subject to the interference of alternating force, the biocompatibility that tool is good and mechanical property.
The purpose of this utility model is achieved in that
A kind of artificial tooth implantation body, is characterized in that: it is made up of implant member, retention means, retention sleeve and extension spring; Described implant member adopts porous tantalum product, and its porosity is 60% ~ 70%; Described implant member inside is provided with the through hole of up/down perforation, and through hole side is provided with gas thread, and through hole bottom is provided with extension spring; The top of described implant member is also provided with the stopper slot be communicated with described through hole, and in stopper slot, Corresponding matching installs described retention sleeve; The bottom of described retention means is threaded rod, and threaded rod is through after described retention sleeve, and with the gas thread corresponding matching of described implant member interior bone side, and threaded rod bottom is connected with one end of described extension spring; Described implant member outer surface of upper is provided with the annular groove of circumference distribution, and middle part appearance is with trapezoidal thread or rectangular thread, and lower external is with angular thread; Described implant member lower end is also provided with axially extended chip removal flute.
The quantity of above-mentioned annular groove is 1 to 3.Above-mentioned annular groove is more than or equal to 0.2mm apart from the distance of above-mentioned implant member upper surface, is less than or equal to 0.3mm.
The quantity of above-mentioned chip removal flute is 2 ~ 3, is uniformly distributed along implant member lower external.
The thread form angle of the gas thread that above-mentioned through hole side is arranged is 55 °, to be realized implant member be connected with the sealing of retention means by arranging of gas thread.
The head of above-mentioned retention means and the threaded rod of its underpart one-body molded.After the head of this retention means being fixed on retention sleeve in application, namely at this retention sleeve outer Corresponding matching, corona can being installed, and then achieving artificial tooth implantation.
Stepped hole is set in above-mentioned retention sleeve, spacing with what realize retention means head, thus ensure that the two reliability connected.
The thread form angle of the trapezoidal thread in the middle part of above-mentioned implant member is more than or equal to 90 °, is less than or equal to 135 °; The thread form angle of above-mentioned implant member bottom angular thread is more than or equal to 30 °, is less than or equal to 80 °.
The axial length ratio of the trapezoidal thread on above-mentioned implant member and angular thread is more than or equal to 1.4, is less than or equal to 1.5.
This utility model has following beneficial effect:
1, in its overall structure, implantation piece and retention means are connected by gas thread, easily produce self-locking, and sealing and good stress performance avoid impurity and enter in screw thread, and simplify the structure;
2, implant member is porous tantalum product, well meets mechanical property requirements, improves stress performance, considerably increase biocompatibility simultaneously, improve service life and implant comfort level, adding the stability after implantation and anti-rotation performance, substantially increase the success rate of plantation;
3, in the middle part of implant member, trapezoidal thread or rectangular thread improve the mechanical strength of structure, improve stress performance, and bottom angular thread improves self tapping, implant more efficient and convenient, substantially increase the success rate of plantation, effectively improve clinical application effect;
4, by Corresponding matching in stopper slot, retention sleeve is installed, afterwards the threaded rod of retention means bottom is connected with implant member through after retention sleeve again, thus strengthen the retention means support force be subject in the horizontal direction, and the probability greatly reducing its effect suffering horizontal lateral force and rupture;
5, the setting of through hole is convenient to that biotic factor etc. is increased the material of planting tooth steadiness and is incorporated into the sclerotin weakness such as bottom, and add the stability of connection, being convenient to external substance is added in implanting prosthetic, makes its and bony fusion faster, better;
6, implant member outer surface of upper is with circumferential annular groove, increases the contact area with human body, for osteogenesis provides certain space, be conducive to sclerotin and grow healing fast, and alleviate the deadweight of Dental Implant prosthese, be conducive to the combination of assembly and human body, promote comfort;
7, the chip removal flute set up serves foreign bodies such as removing in implantation process the soft tissue chip that produces, avoids it to stay in the body causing addling, the effect such as infection, effectively improves clinical application effect;
8, adopt bottom extension spring one end being fixed on alveolar bone to continue to apply elastic force to retention means, be fixed in the through hole of implant member inside, ensure that retention means all the time with implant member close contact, simultaneously by the effect of applying power, make the bottom close contact all the time of implant member and alveolar bone; In use, if because external force makes implant member or retention means loosen, then extension spring makes it again keep close contact by elastic force, and then ensure that fixed effect.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of artificial tooth implantation body described in this utility model embodiment 1.
Fig. 2 is the structural representation of the implantation body of artificial tooth described in Fig. 1 integrated connection.
Fig. 3 is the front view of the implantation body of artificial tooth described in Fig. 1 external structure.
Detailed description of the invention
Be below this utility model preferred embodiment, and be not intended to limit protection domain of the present utility model.
Embodiment 1
As shown in Figures 1 to 3: a kind of artificial tooth implantation body, it by implant member 1, retention means 2, retention sleeve 3 and and extension spring 11 form; Its implant member 1 adopts porous tantalum product, and its porosity is 60% ~ 70%, and this porous tantalum product specifically can adopt method preparation as described in patent 201110296515.7; Implant member 1 inside is provided with the through hole 4 of up/down perforation, and through hole 4 side is provided with the gas thread that thread form angle is 55 °, and through hole 4 bottom is provided with extension spring 11; The top of this implant member 1 is also provided with the stopper slot 5 be communicated with through hole 4, and in this stopper slot 5, Corresponding matching installs retention sleeve 3, is set to stepped hole in this retention sleeve 3; The bottom of its retention means 2 is threaded rod 6, and this threaded rod 6, through after retention sleeve 3, be the gas thread corresponding matching of 55 °, and the bottom of this threaded rod 6 is connected with one end noose of extension spring 11 with the thread form angle of implant member 1 interior bone 4 side; Its implant member 1 outer surface of upper is provided with the annular groove 7 of two circumference distributions, and these two annular grooves 7 equal 0.25mm apart from the maximum distance of implant member 1 upper surface; In the middle part of implant member 1, appearance equals the trapezoidal thread 8 of 105 ° with thread form angle, and lower external equals the angular thread 9 of 55 ° with thread form angle, and the axial length ratio of trapezoidal thread 8 and angular thread 9 equals 1.45; Its implant member 1 lower end is also provided with an axially extended chip removal flute 10; The head of its retention means 2 and the threaded rod 6 of its underpart adopt medical titanium alloy one-body molded, and after the head of retention means 2 is seated in retention sleeve 3, then at this retention sleeve 3 outer Corresponding matching, corona is installed, and then achieve artificial tooth implantation.
In clinical practice, in stopper slot 5, Corresponding matching installs retention sleeve 3, afterwards the threaded rod 6 of retention means 2 bottom is connected through the gas thread being 55 ° with the thread form angle of through hole 4 side of implant member 1 again after this retention sleeve 3, thus strengthen retention means 2 support force be subject in the horizontal direction, and the probability greatly reducing its effect suffering horizontal lateral force and rupture; In addition, extension spring 11 one end is fixed on the bottom of alveolar bone, to continue to apply elastic force to retention means 2 on the bottom that the other end is fixed on the threaded rod 6 of retention means 2 bottom, be fixed in through hole 4, ensure that retention means 2 all the time with implant member 1 close contact, made the bottom close contact all the time of implant member 1 and alveolar bone by the effect of applying power simultaneously; If because external force makes implant member 1 or retention means 2 loosen during use, then extension spring 11 makes it again keep close contact by elastic force, and then ensure that fixed effect.
Claims (7)
1. an artificial tooth implantation body, is characterized in that: it is made up of implant member (1), retention means (2), retention sleeve (3) and extension spring (11); Described implant member (1) adopts porous tantalum product, and porosity is 60% ~ 70%; Described implant member (1) inside is provided with the through hole (4) of up/down perforation, and through hole (4) side is provided with gas thread, and through hole (4) bottom is provided with extension spring (11); The top of described implant member (1) is also provided with the stopper slot (5) be communicated with described through hole (4), and stopper slot (5) interior Corresponding matching installs described retention sleeve (3); The bottom of described retention means (2) is threaded rod (6), threaded rod (6) is through after described retention sleeve (3), with the gas thread corresponding matching of described implant member (1) interior bone (4) side, and threaded rod (6) bottom is connected with one end of described extension spring (11); Described implant member (1) outer surface of upper is provided with the annular groove (7) of circumference distribution, and middle part appearance is with trapezoidal thread (8) or rectangular thread, and lower external is with angular thread (9); Described implant member (1) lower end is also provided with axially extended chip removal flute (10).
2. artificial tooth implantation body according to claim 1, is characterized in that: the quantity of described annular groove (7) is 1 to 3; Described annular groove (7) is more than or equal to 0.2mm apart from the distance of described implant member (1) upper surface, is less than or equal to 0.3mm; The quantity of described chip removal flute (10) is 2 ~ 3, is uniformly distributed along implant member (1) lower external.
3. artificial tooth implantation body according to claim 1 or 2, is characterized in that: the thread form angle of the gas thread that described through hole (4) side is arranged is 55 °; The head of described retention means (2) and the threaded rod (6) of its underpart one-body molded; Described retention sleeve is set to stepped hole in (3).
4. artificial tooth implantation body according to claim 1 or 2, is characterized in that: the thread form angle of the trapezoidal thread (8) at described implant member (1) middle part is more than or equal to 90 °, is less than or equal to 135 °; The thread form angle of described implant member (1) bottom angular thread (9) is more than or equal to 30 °, is less than or equal to 80 °.
5. artificial tooth implantation body according to claim 3, is characterized in that: the thread form angle of the trapezoidal thread (8) at described implant member (1) middle part is more than or equal to 90 °, is less than or equal to 135 °; The thread form angle of described implant member (1) bottom angular thread (9) is more than or equal to 30 °, is less than or equal to 80 °.
6. artificial tooth implantation body according to claim 4, is characterized in that: the trapezoidal thread (8) on described implant member (1) and the axial length ratio of angular thread (9) are more than or equal to 1.4, are less than or equal to 1.5.
7. artificial tooth implantation body according to claim 5, is characterized in that: the trapezoidal thread (8) on described implant member (1) and the axial length ratio of angular thread (9) are more than or equal to 1.4, are less than or equal to 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571071.2U CN204092234U (en) | 2014-09-30 | 2014-09-30 | A kind of artificial tooth implantation body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571071.2U CN204092234U (en) | 2014-09-30 | 2014-09-30 | A kind of artificial tooth implantation body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204092234U true CN204092234U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420571071.2U Expired - Fee Related CN204092234U (en) | 2014-09-30 | 2014-09-30 | A kind of artificial tooth implantation body |
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| Country | Link |
|---|---|
| CN (1) | CN204092234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638223A (en) * | 2016-07-21 | 2018-01-30 | 重庆润泽医药有限公司 | A kind of tooth implant |
-
2014
- 2014-09-30 CN CN201420571071.2U patent/CN204092234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638223A (en) * | 2016-07-21 | 2018-01-30 | 重庆润泽医药有限公司 | A kind of tooth implant |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20200930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |