CN211023233U

CN211023233U - A sleeve crown prosthesis for outer crown

Info

Publication number: CN211023233U
Application number: CN201921365408.3U
Authority: CN
Inventors: 甘善标; 姚明健
Original assignee: Shenzhen Smile Denture Co ltd
Current assignee: Shenzhen Smile Denture Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-07-17
Anticipated expiration: 2029-08-21

Abstract

The utility model relates to an outer crown technical field especially relates to a sleeve crown prosthesis for outer crown, including titanium system supporter, fixed screw, interior crown, first magnet, outer crown, second magnet and sleeve pipe, fixed screw fixed connection is in the bottom of titanium system supporter, interior crown fixed connection is at the top of titanium system supporter, first magnet fixed connection is at the top of interior crown, the surface at interior crown is cup jointed in the activity of outer crown, the sleeve pipe is inlayed at the inside middle part of outer crown, second magnet fixed connection is at sheathed tube interior roof. The utility model discloses a cup joint the inside of coping in the outer crown, because first magnet is pegged graft in the draw-in groove at second magnet bottom middle part, the magnetism of first magnet and second magnet opposite face is opposite, according to the principle that like poles repel each other opposite poles attract for first magnet and second magnet adsorb each other together, fix the outer crown, have guaranteed the stability of outer crown, avoid the outer crown to appear not hard up or the problem that drops.

Description

A sleeve crown prosthesis for outer crown

Technical Field

The utility model relates to an outer crown technical field especially relates to a sleeve crown prosthesis for outer crown.

Background

The external crown is a conventional false tooth, like a leg prosthesis and an artificial limb are called as an artificial limb, the external crown means a tooth which is a most obligate for human beings, is a general term of a prosthesis manufactured after partial or all teeth of upper and lower jaws are lost in medicine, and is divided into two types, namely removable and fixed, wherein the fixed external crown cannot be taken by a patient, and the removable external crown can be conveniently taken by the patient.

The outer crown of the crown sleeve is a fixed and movable combined prosthesis, the crown sleeve refers to a double-layer crown with high tightness, an inner crown is cemented on an abutment, an outer crown is arranged in the outer crown, the outer crown is retained by friction force generated by sealing between the inner crown and the outer crown, but after the crown sleeve is used for a long time, the outer crown is extruded by chewing force, so that the inner crown and the outer crown are smooth, and the outer crown is loosened or falls off.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a sleeve crown prosthesis for outer crown possesses fixed stable advantage, has solved the longer back of sleeve crown live time, because masticatory force can lead to the fact the extrusion to outer crown for become smooth between interior crown and the outer crown, can make the not hard up problem or the problem that drops of outer crown.

(II) technical scheme

In order to realize the technical problem, the utility model provides such a sleeve crown prosthesis for outer crown, including titanium system supporter, fixed screw, inner crown, first magnet, outer crown, second magnet and sleeve pipe, fixed screw fixed connection is in the bottom of titanium system supporter, inner crown fixed connection is at the top of titanium system supporter, first magnet fixed connection is at the top of inner crown, the surface at inner crown is cup jointed in outer crown's activity, the sleeve pipe is inlayed at the inside middle part of outer crown, second magnet fixed connection is at sheathed tube interior roof.

Furthermore, the magnetism of the opposite surface of the second magnet and the first magnet is opposite, a clamping groove is formed in the middle of the bottom of the second magnet, and the second magnet is inserted into the clamping groove.

Further, the equal fixedly connected with fixing device in bushing wall's both sides, fixing device is including fixed frame, thrust spring, fly leaf, branch and locating piece, fixed frame and thrust spring fixed connection are at bushing wall, thrust spring is located the inside of fixed frame, fly leaf swing joint is in the inside of fixed frame, one end of thrust spring and one side fixed connection of fly leaf, thrust spring's one end is kept away from at the fly leaf to branch fixed connection, the one end of branch runs through fixed frame and extends to the outside of fixed frame, the one end fixedly connected with locating piece of branch.

Furthermore, both sides of the inner crown are provided with positioning holes, the positioning blocks are movably inserted in the positioning holes, and the positioning blocks and the positioning holes are in right-angled triangles.

Further, the inside bottom fixedly connected with holding ring of sleeve pipe, the hexagon hole that runs through is seted up at the middle part of holding ring, interior hat is the hexagon body of rod, the lateral wall of interior hat and the inside wall swing joint in hexagon hole.

Furthermore, the two sides of the top of the titanium support body are provided with positioning holes, and the two sides of the bottom of the outer crown are fixedly connected with limiting rods.

(III) advantageous effects

The utility model provides a sleeve crown prosthesis for outer crown possesses following beneficial effect:

1. this a sleeve crown prosthesis for outer crown, through titanium system supporter, the fixed screw, interior crown, first magnet, outer crown, second magnet and sheathed tube cooperation are used, plant titanium system supporter on the alveolar bone through the fixed screw, cup joint outer crown in the inside of interior crown, because first magnet is pegged graft in the draw-in groove at second magnet bottom middle part, the magnetism of first magnet and second magnet opposite face is opposite, according to the principle that like nature repels opposite sex and attracts mutually of magnet, make first magnet and second magnet adsorb each other together, fix outer crown, the stability of outer crown has been guaranteed, avoid outer crown to appear not hard up or the problem that drops.

2. This a sleeve crown prosthesis for outer crown, through fixing device's setting, when cup jointing outer crown at the inner crown, thrust spring's bounce promotes the fly leaf, can peg graft the locating piece in the locating hole of inner crown both sides through branch, and further, fix outer crown, prevent outer crown circumference activity or activity from top to bottom, strengthen the effect that outer crown locking is not hard up or anti-drop.

3. This a sleeve crown prosthesis for outer crown through the setting of holding ring and hexagonal hole, has played the effect of location, makes things convenient for the staff to cup joint outer crown on the inner crown, can effectually prevent outer crown circumferential direction removal simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the positioning ring structure of the present invention.

In the figure: 1. a titanium support; 2. fixing screws; 3. a coping; 4. a first magnet; 5. an outer crown; 6. a second magnet; 7. a card slot; 8. a fixing device; 801. a fixing frame; 802. a thrust spring; 803. a movable plate; 804. a strut; 805. positioning blocks; 9. a positioning ring; 10. six-sided holes; 11. a limiting hole; 12. a limiting rod; 13. positioning holes; 14. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a socket crown prosthesis for an outer crown comprises a titanium support 1, a fixing screw 2, an inner crown 3, a first magnet 4, an outer crown 5, a second magnet 6 and a sleeve 14, wherein the fixing screw 2 is fixedly connected to the bottom of the titanium support 1, the contact between the titanium support 1 and a gum can not cause the gum to blacken near the inner sleeve 3, so as to ensure that the denture has good stability and corrosion resistance, and the beauty of the denture in the mouth is greatly increased, the inner crown 3 is fixedly connected to the top of the titanium support 1, the first magnet 4 is fixedly connected to the top of the inner crown 3, the outer crown 5 is movably sleeved on the outer surface of the inner crown 3, the sleeve 14 is embedded in the middle of the inner portion of the outer crown 5, the second magnet 6 is fixedly connected to the top wall of the sleeve 14, the opposite surfaces of the second magnet 6 and the first magnet 4 are opposite in magnetism, the second magnet 6 and the first magnet 4 are strong magnets, draw-in groove 7 has been seted up at the middle part of 6 bottoms of second magnet, second magnet 6 is pegged graft in the inside of draw-in groove 7, through titanium system supporter 1, fixed screw 2, interior crown 3, first magnet 4, outer crown 5, second magnet 6 and sleeve pipe 14's cooperation is used, plant titanium system supporter 1 on the alveolar bone through fixed screw 2, cup joint outer crown 5 in the inside of interior crown 3, because first magnet 4 pegs graft in draw-in groove 7 at 6 bottoms of second magnet middle parts, the magnetism of

first magnet

4 and 6 opposite faces of second magnet is opposite, according to the principle that like nature of magnet repels opposite sex opposite poles and attracts, make first magnet 4 and second magnet 6 adsorb each other together, fix outer crown 5, the stability of outer crown 5 has been guaranteed, avoid outer crown 5 not hard up or the problem that drops to appear.

The two sides of the inner wall of the sleeve 14 are fixedly connected with a fixing device 8, the fixing device 8 comprises a fixing frame 801, a thrust spring 802, a movable plate 803, a support rod 804 and a positioning block 805, the fixing frame 801 and the thrust spring 802 are fixedly connected to the inner wall of the sleeve 14, the thrust spring 802 is located inside the fixing frame 801, the movable plate 803 is movably connected inside the fixing frame 801, one end of the thrust spring 802 is fixedly connected with one side of the movable plate 803, the support rod 804 is fixedly connected with one end of the movable plate 803 far away from the thrust spring 802, one end of the support rod 804 penetrates through the fixing frame 801 and extends to the outer side of the fixing frame 801, one end of the support rod 804 is fixedly connected with the positioning block 805, when the outer crown 5 is sleeved on the inner crown 3 through the arrangement of the fixing device 8, the counter-elastic force of the thrust spring 802 pushes the movable, further, fix outer crown 5, prevent that outer crown 5 circumference from moving about or from top to bottom, strengthen the locking effect of moving or anti-drop of outer crown 5.

Locating hole 13 has all been seted up to the both sides of interior hat 3, locating piece 805 activity is pegged graft in the inside of locating hole 13, and the shape of locating piece 805 and locating hole 13 is right angled triangle, the inside bottom fixedly connected with holding ring 9 of sleeve pipe 14, hexagonal hole 10 that runs through is seted up at the middle part of holding ring 9, setting through holding ring 9 and hexagonal hole 10, the effect of location has been played, make things convenient for the staff to cup joint interior hat 3 with outer hat 5 on, can effectually prevent 5 circumferential direction removal of outer hat simultaneously, interior hat 3 is the hexagonal body of rod, the lateral wall of interior hat 3 and the inside wall swing joint of hexagonal hole 10, locating hole 13 has all been seted up to the both sides at 1 top of titanium system supporter, the equal fixedly connected with gag lever post 12 in both sides of 5 bottoms of outer.

Firstly, the staff plants titanium supporter 1 on the alveolar bone through set screw 2, overlap hexagonal hole 10 on the inside holding ring 9 of outer crown 5 on inner crown 3, press outer crown 5 downwards, peg graft first magnet 4 in draw-in groove 7 at second magnet 6 bottom middle part, make first magnet 4 and second magnet 6 adsorb each other together, fix outer crown 5, thrust spring 802's bounce promotes fly leaf 803, can peg graft locating piece 805 in the locating hole 13 of inner crown 3 both sides through branch, furthermore, fix outer crown 5, prevent outer crown 5 circumference activity or activity from top to bottom, strengthen the effect of outer crown 5 locking or anti-drop, at this moment, make gag lever post 12 peg graft in the inside of locating hole 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sleeve crown prosthesis for outer crown, includes titanium supporter (1), fixed screw (2), interior crown (3), first magnet (4), outer crown (5), second magnet (6) and sleeve pipe (14), its characterized in that: fixed screw (2) fixed connection is in the bottom of titanium system supporter (1), interior crown (3) fixed connection is at the top of titanium system supporter (1), first magnet (4) fixed connection is at the top of interior crown (3), the surface at interior crown (3) is cup jointed in outer crown (5) activity, inlay at the inside middle part of outer crown (5) sleeve pipe (14), second magnet (6) fixed connection is at the interior roof of sleeve pipe (14).

2. The telescopic crown prosthesis for an outer crown as set forth in claim 1, wherein: the magnetism of the opposite surfaces of the second magnet (6) and the first magnet (4) is opposite, a clamping groove (7) is formed in the middle of the bottom of the second magnet (6), and the second magnet (6) is inserted into the clamping groove (7).

3. The telescopic crown prosthesis for an outer crown as set forth in claim 1, wherein: both sides of the inner wall of the sleeve (14) are fixedly connected with fixing devices (8), each fixing device (8) comprises a fixing frame (801), a thrust spring (802), a movable plate (803), a support rod (804) and a positioning block (805), the fixing frame (801) and the thrust spring (802) are fixedly connected with the inner wall of the sleeve (14), the thrust spring (802) is positioned inside the fixed frame (801), the movable plate (803) is movably connected inside the fixed frame (801), one end of the thrust spring (802) is fixedly connected with one side of the movable plate (803), the supporting rod (804) is fixedly connected with one end of the movable plate (803) far away from the thrust spring (802), one end of the supporting rod (804) penetrates through the fixing frame (801) and extends to the outer side of the fixing frame (801), and one end of the supporting rod (804) is fixedly connected with the positioning block (805).

4. The telescopic crown prosthesis for an outer crown as claimed in claim 3, wherein: both sides of the inner crown (3) are provided with positioning holes (13), the positioning block (805) is movably inserted into the positioning holes (13), and the positioning block (805) and the positioning holes (13) are in the shape of a right triangle.

5. The telescopic crown prosthesis for an outer crown as set forth in claim 1, wherein: the inside bottom fixedly connected with holding ring (9) of sleeve pipe (14), hexagonal hole (10) that run through are seted up at the middle part of holding ring (9), interior hat (3) are the hexagonal form body of rod, the lateral wall of interior hat (3) and the inside wall swing joint of hexagonal hole (10).

6. The telescopic crown prosthesis for an outer crown as set forth in claim 1, wherein: locating holes (13) are formed in the two sides of the top of the titanium support body (1), and limiting rods (12) are fixedly connected to the two sides of the bottom of the outer crown (5).