CN1216580C - Immediately loadable expanding implant - Google Patents
Immediately loadable expanding implant Download PDFInfo
- Publication number
- CN1216580C CN1216580C CN00817497.0A CN00817497A CN1216580C CN 1216580 C CN1216580 C CN 1216580C CN 00817497 A CN00817497 A CN 00817497A CN 1216580 C CN1216580 C CN 1216580C
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- China
- Prior art keywords
- nut
- implant
- hollow body
- screw
- main body
- Prior art date
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0059—Connecting devices for joining an upper structure with an implant member, e.g. spacers with additional friction enhancing means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0033—Expandable implants; Implants with extendable elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0056—Connecting devices for joining an upper structure with an implant member, e.g. spacers diverging in the apical direction of the implant or abutment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection
Abstract
The present invention relates to an implant which is provided with a fixed object fixedly inserted into the tooth socket and an abutment tooth connected with the upper part of the fixed object. The present invention is characterized in that the fixed object comprises a hollow fixed object body and a plurality of screw threads repeatedly form along the periphery of the outer surface of the hollow fixed object body; a division wall with a through hole integrally formed on the inside wall of the hollow fixed object body divides the inner space of the hollow fixed object body into an upper abutment tooth receiving part and a lower screw nut receiving part and forms at least one slit extending to a first position from the lower end of the hollow fixed object body; the head of a screw nail is blocked by the division wall and is arranged in the abutment tooth receiving part, and the body part of the screw nail extends to the lower part of the screw nut receiving part through the through hole; the screw nut is arranged on the body part of the screw nail and moves up and down in the screw nut receiving part through the rotation of the screw nut; the screw nut receiving part is in the form that the hollow fixed object body begins to expand outwards when the screw nut moves to the first position.
Description
Technical field
The present invention relates to a kind of implant, the expanding implant that particularly relates to a kind of immediately loadable, it is applicable to the different shape that forms and the alveolus of size in jawbone, wherein tooth is just extracted from this alveolus, and this expanding implant comprise insert the expansible therein then fixture of alveolus be connected with the top of this fixture abutment.
Background technology
People have developed in the alveolus that various multi-form insertions have extracted tooth and as the implant fixture of tooth.Recently, screw-type implant fixture extensively is employed.
Yet screw-type implant fixture should insert in the alveolus after extracting tooth at once.Under the narrow situation of the width of dental bed, there is the problem of hold-down screw formula implant fixture.That is, after extracting tooth, when the implant fixture inserts alveolus immediately, because the implant fixture is less than the alveolar top of extracting tooth, and the structure of implant fixture is different with the shape of the tooth of extracting, and therefore, is not easy the implant fixture is fixed in the alveolus.In other words, for example, front tooth or premolar teeth have the structure of its left and right sides width dimensions greater than width dimensions before and after it.And tooth has two or three roots of the tooth usually.Yet screw-type implant fixture does not reflect these characteristics.And, under the narrower situation of the width of dental bed, perhaps under the situation that alveolar internal diameter reduces owing to the expansion of dental bed, there is a part of screw exposed problems from the implant fixture.
In addition, the abutment that is connected with the top of implant fixture is fixed on the implant fixture by lock screw.Yet the operation of fixing teeth is very complicated.
And, if saliva penetrates in the medicated cap between implant fixture and the abutment, then there are the infection or the loosening worry of fixture that are subjected to the antibacterial that comprises in the saliva.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of implant, wherein corresponding to the lower expansion of the implant of root of the tooth and be fastened on the medial wall of the jawbone in the alveolus.
Another object of the present invention provides a kind of expanding implant, and it is adapted at the alveolar difformity and the size of formation in the jawbone.
Another object of the present invention provides a kind of implant, and wherein, abutment can be connected with fixture easily.
Another purpose of the present invention provides a kind of implant, and it can prevent that saliva from penetrating in the medicated cap between implant fixture and the abutment, thereby prevents to be subjected to the infection of the antibacterial that comprises in the saliva.
To achieve these goals with other advantage, a kind of implant is provided, have the fixture and the abutment that is connected with the top of described fixture that insert in the alveolus, this implant comprises: described fixture comprises a hollow body, forms many screw threads along the outer peripheral edge surface of described hollow body; Be formed with the partition wall of through hole in the middle, described partition wall integral body is formed on the medial wall of described hollow body, and the inner space of described hollow body is separated into abutment holding portion and lower nut holding portion, this lower nut holding portion is formed with the slit that at least one lower end from described hollow body extends to the partition wall bottom, screw, its head abuts is on described partition wall and be arranged in the described abutment holding portion, the main part of screw is inserted described through hole and is extended to the bottom that described nut accommodating portion is divided, and nut, it is installed on the described main part of described screw, and moves up and down in described nut accommodating portion is divided by rotary screw; Described nut accommodating portion branch be shaped so that when described nut by in nut accommodating portion is divided, making progress and when moving down, described hollow body outwards expands; And a projection is formed at the top at described partition wall, and this projection is arranged in the described abutment holding portion, and described screw has the groove corresponding to described projection.
According to a further aspect in the invention, a kind of implant is provided, have the fixture and the abutment that is connected with the top of described fixture that insert in the alveolus, this implant comprises: described fixture comprises a hollow body, and many screw threads are along the outer peripheral edge surface formation of described hollow body; And the partition wall that is formed with through hole in the middle, described partition wall integral body is formed on the medial wall of described hollow body, and the inner space of described hollow body is separated into abutment holding portion and lower nut holding portion, this lower nut holding portion is formed with the slit that at least one lower end from described hollow body extends to the partition wall bottom, screw, the described partition wall of its head abuts also is arranged in the described abutment holding portion, the main part of screw is inserted described through hole and is extended to the bottom that described nut accommodating portion is divided, nut, it has nut main body and guide protrusion, this nut has corresponding to described alveolar shape, and through hole with described main part of holding described screw, described guide protrusion is outwards given prominence to and is inserted the described slit from described nut main body, and described nut can move up and down by the described screw of rotation; And the medial wall divided of described nut accommodating portion is for having the parabolic shape on summit at the middle part of medial wall, when described nut when the upper end that nut accommodating portion is divided moves to described summit, described hollow body outwards expands.
Description of drawings
With reference to the accompanying drawings, by describing the preferred embodiments of the present invention in detail, above-mentioned purpose of the present invention and other advantages will be clearer, in the accompanying drawing:
Fig. 1 is the decomposition diagram of split type implant according to an embodiment of the invention;
Fig. 2 and 3 is viewgraph of cross-section of the split type implant in Fig. 1;
Fig. 4 is the perspective view of nut according to an embodiment of the invention;
Fig. 5 is the viewgraph of cross-section along the intercepting of the line VI-VI among Fig. 2;
Fig. 6 A to 6E is the viewgraph of cross-section that the dissimilar nut that is used for the present invention is shown;
Fig. 7 A to 7F is the viewgraph of cross-section that the various devices that are used to prevent the saliva infiltration are shown; And
Fig. 8 is the decomposition diagram of built-in implant according to another embodiment of the invention.
The specific embodiment
More completely describe the present invention below with reference to accompanying drawing, there is shown the preferred embodiments of the present invention.
Referring to Fig. 1 to 3, implant 100 comprises fixture 1 and the abutment 40 that is connected with fixture 1.
Fixture 1 comprises fixture main body 10, is integrally formed in the cervical region 20 on the top of fixture main body 10, and the medicated cap 50 that optionally is connected with the bottom of fixture main body 10.
Preferably, the fixture main body 10 whole teeth patternings that form.For example, fixture main body 10 is at first in an A bending, and is so that the external diameter of fixture main body 10 reduces gradually, crooked for the second time at a B.Then, the external diameter of fixture main body 10 continues constant up to its lower end.Certainly, fixture main body 10 can have constant external diameter from the upper end to the lower end, no matter and teeth patterning how.Yet the stepped form of fixture main body 10 is favourable aspect the fixture main body being inserted in the alveolus of having extracted tooth.In addition, on the whole outer surface except cervical region 20 on the fixture main body 10, repeat to form many screw threads along the periphery of the outer surface of fixture main body 10.Therefore, as following detailed description, the contact area between the outer surface of alveolar medial wall and fixture main body 10 increases, thereby fixture main body 10 is fixedly mounted on the alveolar medial wall.And screw thread can change over various shape.
On the outer surface of the lower end of fixture main body 10, also form a threaded portion 11.Lid 50 is installed on this threaded portion 11.
Simultaneously, shown in Fig. 6 A to 6C, fixture main body 10 can have the various shape of cross sections corresponding to alveolus and jawbone shape.That is, fixture main body 10 forms different shape, and is for example circular, and ellipse, or tetragon are so that be fit to the various structures of alveolus and jawbone.And the size of fixture main body 10 also can change.In the present embodiment, fixture main body 10 has constant thickness.Yet, if necessary, shown in Fig. 6 D and 6E, the thickness variable of fixture main body 10.
Fixture main body 10 is open tubular columns.In the bosom part of fixture main body 10, partition wall 15 of whole formation, this partition wall 15 is formed with a through hole 17 in the middle.Partition wall 15 is separated into abutment holding portion 18 and lower nut holding portion 19 with the inner space of fixture main body 10.
On the medial wall of abutment holding portion 18, be formed with female thread 22, this female thread 22 has upper end from abutment holding portion 18 to one of desired depth required height, so that in the abutment precession screw thread 22.In addition, screw 30 inserts in the through hole 17.The head of screw 30 is intercepted by partition wall 15.All the other main parts of screw 30 are positioned at nut accommodating portion and divide 19.At this moment, annular projection 16 is formed on the upper surface of partition wall 15.On bottom surface, be provided with groove 36 corresponding to the head of the screw 30 of annular projection 16.Referring to Fig. 7 A to 7C, annular projection 16 can have various cross sections, for example trapezoidal, triangle or circle.And on the contrary, shown in Fig. 7 D to 7F, the head of screw 30 can have annular projection 16 ', and groove 36 ' can form on corresponding to the partition wall 15 of this annular projection 16 '.
And nut 60 is screwed on the main part of screw 30 and is positioned nut accommodating portion and divides in 19.Referring to Fig. 4, its external diameter that is shaped as of nut 60 reduces gradually from the upper end to its lower end.Through hole 62 forms in nut 60.And, on two opposite external side of nut 60, guide protrusion 64 is set.
Nut accommodating portion divides 19 medial wall to have parabolic shape on the whole, and wherein, internal diameter reduces gradually from the upper end corresponding to the nut accommodating portion of an A minutes 19.Continuously, nut accommodating portion divides 19 medial wall at first in the some C place bending corresponding to a B, thereby the reduction rate of internal diameter slows down.Nut accommodating portion divides 19 medial wall in D bending for the second time, and like this, nut accommodating portion is divided 19 internal diameter increase.It is an example that nut accommodating portion is divided this shape of 19 medial wall.Following description, as long as the sub-body of fixture main body 10 can be expanded by nut 60, nut accommodating portion divides the shape variable of 19 medial wall to change into other form.
According to the present invention, fixture main body 10 is formed with at least one slit 14, and this slit 14 extends to the lower end of fixture main body 10 from a B.In this embodiment, (not shown relative slit) as shown in Figure 1 is provided with two slits 14 respect to one another.This slit has that guide protrusion 64 can be packed into wherein and width slidably therein.And the quantity of slit 14 is provided with corresponding to the quantity of the guide protrusion 64 that forms on nut 60.Shown in Fig. 6 A to 6C, under the situation of the constant thickness of fixture main body 10, two to four slits 14 are set in each case, guide protrusion can be fitted in every slit 14 like this.According to the different situation of thickness of Fig. 6 D and the fixture main body 10 shown in the 6E, in nut 60, form guide recess 66, and the thicker part 10 ' of fixture main body 10 is inserted in the guide recess 66 of nut 60.
Simultaneously,, form external screw thread 42, so that mesh with the female thread 22 that on the medial wall of abutment holding portion 18, forms in the bottom of abutment 40.
Medicated cap 50 is screwed on the lower end of fixture main body 10.As illustrated in fig. 1 and 2, medicated cap 50 is the hemisphericals with pockets 52.On the pockets 52 of medicated cap 50, form screw thread 54 from its top edge.
The operation of above-mentioned implant is described below.
If extract tooth and form alveolus, select to be fit to the suitable implant fixture 100 of alveolus shape and size.At this moment, screw 30 inserts in the implant fixture 100 and with nut 60 and meshes.Medicated cap 50 is connected with the lower end of implant fixture 100.
After medicated cap 50 was removed, fixture main body 10 was inserted in the alveolus.At this moment, because fixture main body 10 forms stairstepping, fixture main body 10 secure fit are in alveolus.
Then, if screw 30 rotates by ideal instrument, nut 60 is to moving down, because the guide protrusion 64 of nut 60 is fitted in the slit 14 slidably.As mentioned above, Fig. 2,4 and 6A shown in embodiment in, two guide protrusions 64 are set and corresponding to two slits 64 of guide protrusion 64.Yet,, also can obtain enough effects even a slit 14 and a guide protrusion 64 are set.If nut 60 point of arrival C, the remainder of nut 60 except guide protrusion 64 contacts with the medial wall of fixture main body 10.As mentioned above, the reduction rate of internal diameter is slowed down at a C place.But because internal diameter reduces continuously, to extrapolation, fixture main body 10 broadens after a C thus by nut 60 in the medial wall of fixture main body 10.The expansion rate of fixture main body 10 can be by suitably changing fixture main body 10 the shape of medial wall regulate.
If fixture main body 10 is by nut 60 outside broadening, owing to form screw thread 12 on the outer surface of fixture main body 10, fixture main body 10 slightly contacts with alveolar medial wall.And because screw thread 12 has sharp end respectively, fixture main body 10 can firmly contact with alveolar medial wall.Referring to Fig. 3, nut 60 moves to a D, and thus, fixture main body 10 contacts fully with alveolar medial wall.In this case, fixture main body 10 is completely fixed on the alveolus, prevents that therefore it is loosening.
Because medicated cap 50 is removed from the lower end of fixture main body 10, outwards expand in the lower end of fixture main body 10.In another embodiment, under the situation about fixture main body 10 being inserted in the alveolus not removing medicated cap 50, because do not expanded and stable being positioned on the bottom surface by medicated cap 50 in the lower end of fixture main body 10, the advantage that exists fixture main body 10 can not move because of the expansion of fixture main body 10.
In case fixture main body 10 is fixed on the alveolus, screw 30 no longer rotates.And, because the annular projection 16 of partition wall 15 is fitted on the groove 36 of screw 30, prevented that the nut accommodating portion that saliva penetrates into fixture main body 10 from dividing in 19, thereby prevented to be subjected to the infection of the antibacterial that comprises in the saliva.
Subsequently, abutment 40 inserts in the cervical region 20 of implant fixture 100.At this moment, according to circumstances suitably the shape of abutment 40 is chosen to linear or angled shape.According to this embodiment, abutment 40 is screwed on the cervical region 20 of fixture main body 10.If necessary, abutment 40 is connected with fixture main body 10 by binding agent.
Fig. 8 is the perspective view of built-in implant 200 according to another embodiment of the invention.
The similar of the structure of built-in implant 200 and the implant of Fig. 1 100.In the present embodiment, built-in implant 200 comprises and abutment 40 integrally formed fixture main bodys 10.Therefore, do not form the cervical region 20 of implant 100.On the medial wall of the abutment 40 of built-in implant 200, form a female thread (not shown).Being formed with externally threaded lid 70 on the outer surface is screwed on the abutment 40.That is, after fixture main body 10 was fixed on the alveolus, lid 70 was screwed on the abutment 40.Therefore, operation is very simple.
As mentioned above, according to the present invention, after extracting tooth, the fixture main body is inserted in the alveolus immediately.Expand in the lower end of fixture main body, so that firmly contact with alveolar medial wall.Then, abutment or lid are connected with the fixture main body, and therefore, the operating time significantly reduces, and operation is very simple.And, owing to number of operations can be reduced to once, thereby, patient's misery and economic cost reduced.
In addition, because the groove of screw contacts with the annular projection sealing, even saliva penetrates between abutment and fixture main body or lid and the fixture main body, can prevent also that nut accommodating portion that saliva penetrates into the fixture main body from dividing, thereby prevent to be subjected to the infection of the antibacterial that comprises in the saliva.
And because the shaped design of implant fixture becomes similar with tooth, perhaps the cross section of fixture main body forms different shape, for example circle, ellipse, triangle, trapezoidal etc., and it is narrow although alveolus and jawbone are little, and operating efficiency is improved.
A kind of implant, it is provided with fixture that inserts regularly in the alveolus and the abutment that is connected with the top of this fixture, it is characterized in that, fixture comprises hollow fixture main body, some screw threads repeat to form along the periphery of the outer surface of this hollow fixture main body, a partition wall integral body that is formed with a through hole is formed on the medial wall of hollow fixture main body, and the inner space of fixture main body is separated into abutment holding portion and lower nut holding portion, and be formed with the slit that at least one lower end from the fixture main body extends to primary importance, the head of its screw intercepts and is positioned at the abutment holding portion by partition wall, and the main part of screw is passed the bottom that through hole extends to the nut accommodating portion branch, its nut is fitted in the main part of screw, and moves up and down in nut accommodating portion is divided by swivel nut; Wherein, the nut accommodating portion branch is shaped so that when nut moves to primary importance the fixture main body begins outside expansion.
Nut comprises nut main body, this nut main body is provided with a through hole that extends to the lower end from the upper end, and have corresponding to alveolar difformity, with the guide main body in and the insertion slit outwards outstanding from the top of nut main body, wherein, the shape of nut main body is corresponding to the medial wall shape of the upper end of dividing from nut accommodating portion to the fixture main body of primary importance.
And partition wall has annular projection on it is positioned at the top of abutment holding portion one side, and screw has the annular groove corresponding to this projection.
Preferably, fixture also comprises the medicated cap that is connected with the lower end of fixture main body, and this medicated cap is a hemispherical, and has the pockets of the lower end that holds the fixture main body, and this medicated cap is formed with screw thread on the medial wall of pockets.
Preferably, the fixture main body has formed cervical region at an upper portion thereof, and this cervical region is formed with screw thread, to be connected with abutment.
Preferably, abutment and fixture main body monolithic molding.
And, according to the present invention, a kind of implant is provided, it is provided with fixture that inserts regularly in the alveolus and the abutment that is connected with the top of this fixture, it is characterized in that, fixture comprises hollow fixture main body, some screw threads repeat to form along the periphery of the outer surface of this hollow fixture main body, the partition wall integral body that is formed with through hole is formed on the medial wall of hollow fixture main body, and the inner space of fixture main body is separated into abutment holding portion and lower nut holding portion, the lower nut holding portion is formed with the slit that at least one lower end from the fixture main body extends to primary importance, screw, its head is intercepted by partition wall and is positioned at the abutment holding portion, and the main part of screw is passed the bottom that through hole extends to the nut accommodating portion branch; And nut, this nut comprises nut main body and guide protrusion, this nut has the different cross section corresponding to the alveolus shape, and has a through hole, and guide protrusion is outwards outstanding from its upper end and insert in the slit, and nut is fitted on the main part of screw and by rotary screw and moves up and down; It is the parabolic shape on summit that the medial wall integral body that nut accommodating portion is divided has with the primary importance, when nut when the upper end that nut accommodating portion is divided moves to primary importance, the fixture main body begins outside expansion.
Preferably, the fixture main body has expansion rate and the dilation according to parabolical shape and variation.
To those skilled in the art, obviously under the prerequisite that does not exceed essence of the present invention or scope, the present invention can make many different modifications and variations.Thereby intention is that the present invention covers the situation of its modifications and variations, as long as these modifications and variations drop in the scope of appended claims and equivalent thereof.
Claims (13)
1. an implant has the fixture and the abutment that is connected with the top of described fixture that insert in the alveolus, and this implant comprises:
Described fixture comprises a hollow body, forms many screw threads along the outer peripheral edge surface of described hollow body; Be formed with the partition wall of through hole in the middle, described partition wall integral body is formed on the medial wall of described hollow body, and the inner space of described hollow body is separated into abutment holding portion and lower nut holding portion, this lower nut holding portion is formed with the slit that at least one lower end from described hollow body extends to the partition wall bottom
Screw, its head abuts are on described partition wall and be arranged in the described abutment holding portion, and the main part of screw is inserted described through hole and extended to the bottom that described nut accommodating portion is divided, and
Nut, it is installed on the described main part of described screw, and moves up and down in described nut accommodating portion is divided by rotary screw;
Described nut accommodating portion branch be shaped so that when described nut by in nut accommodating portion is divided, making progress and when moving down, described hollow body outwards expands; And
A projection is formed at the top at described partition wall, and this projection is arranged in the described abutment holding portion, and described screw has the groove corresponding to described projection.
2. implant as claimed in claim 1, it is characterized in that, nut comprises the nut main body that has corresponding to described alveolus shape, at inner second through hole that forms of described nut main body, with the guide main body of outwards giving prominence to and inserting from described nut main body in the described slit, described nut main body has second shape corresponding to the described medial wall of described hollow body.
3. implant as claimed in claim 1 is characterized in that, fixture also comprises the medicated cap that is connected with the described lower end of described hollow body.
4. implant as claimed in claim 3 is characterized in that this medicated cap has hemispherical shape, and have described medicated cap inner form be used to hold the screw thread that forms on the pockets of described lower end of described hollow body and the medial wall at described pockets.
5. implant as claimed in claim 1 is characterized in that, described hollow body and the whole neck part on described hollow body top form, and this cervical region is provided with the screw thread that is connected with described abutment.
6. implant as claimed in claim 5 is characterized in that, described abutment is a linear.
7. implant as claimed in claim 5 is characterized in that, described abutment is angled shape.
8. implant as claimed in claim 1 is characterized in that, described abutment and fixture main body are whole to be formed.
9. implant as claimed in claim 8 is characterized in that the medial wall of described abutment is provided with screw thread.
10. implant as claimed in claim 1 is characterized in that described hollow body has at least two slits, and is divided into a plurality of parts by described slit that described nut has at least two guide recess corresponding to slit.
11. an implant has the fixture and the abutment that is connected with the top of described fixture that insert in the alveolus, this implant comprises:
Described fixture comprises a hollow body, and many screw threads form along the outer peripheral edge surface of described hollow body; And the partition wall that is formed with through hole in the middle, described partition wall integral body is formed on the medial wall of described hollow body, and the inner space of described hollow body is separated into abutment holding portion and lower nut holding portion, this lower nut holding portion is formed with the slit that at least one lower end from described hollow body extends to the partition wall bottom
Screw, the described partition wall of its head abuts also is arranged in the described abutment holding portion, and the main part of screw is inserted described through hole and is extended to the bottom that described nut accommodating portion is divided,
Nut, it has nut main body and guide protrusion, this nut has corresponding to described alveolar shape, and through hole with described main part of holding described screw, described guide protrusion is outwards given prominence to and is inserted the described slit from described nut main body, and described nut can move up and down by the described screw of rotation; And
The medial wall that described nut accommodating portion is divided is for having the parabolic shape on summit at the middle part of medial wall, when described nut when the upper end that nut accommodating portion is divided moves to described summit, described hollow body outwards expands.
12. implant as claimed in claim 11 also comprises the medicated cap that is connected with the lower end of described hollow body, this medicated cap is a hemispherical, and has the pockets of the lower end that holds described hollow body, and this medicated cap is formed with screw thread on the medial wall of pockets.
13. implant as claimed in claim 11 is characterized in that, described hollow body has the dilation that the described parabolic shape of the described medial wall of dividing according to described nut accommodating portion changes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2000/000175 WO2001066033A1 (en) | 2000-03-06 | 2000-03-06 | Immediately loadable expanding implant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1460010A CN1460010A (en) | 2003-12-03 |
| CN1216580C true CN1216580C (en) | 2005-08-31 |
Family
ID=19198177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00817497.0A Expired - Fee Related CN1216580C (en) | 2000-03-06 | 2000-03-06 | Immediately loadable expanding implant |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1261292A4 (en) |
| JP (1) | JP2003525690A (en) |
| CN (1) | CN1216580C (en) |
| WO (1) | WO2001066033A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109069232A (en) * | 2016-04-12 | 2018-12-21 | 株式会社南陶 | Fixture, implantation material |
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| EP2036515B2 (en) * | 2007-09-17 | 2021-12-08 | Straumann Holding AG | Connecting assembly between a dental implant and an abutment |
| KR101092314B1 (en) | 2009-11-13 | 2011-12-09 | 주식회사 메가젠임플란트 | Dental implant fixture and implant set having the same |
| US8747112B2 (en) | 2011-12-30 | 2014-06-10 | Nobel Biocare Services Ag | Abutment position locator |
| CN102895038B (en) * | 2012-10-24 | 2015-02-18 | 山东新华医疗器械股份有限公司 | Expansion type implant |
| KR101840672B1 (en) | 2017-11-10 | 2018-03-21 | 윤장훈 | Artificial tooth fixing device |
| KR102082885B1 (en) * | 2017-12-12 | 2020-02-28 | 김태훈 | Abutment for implant |
| KR102044664B1 (en) * | 2019-08-12 | 2019-11-13 | 이경택 | Dental implant system |
| KR102290876B1 (en) * | 2020-06-12 | 2021-08-19 | (주)한국치과임플란트연구소(Kdi) | A fixture of dental implants |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE463392B (en) * | 1989-09-15 | 1990-11-19 | Nobelpharma Ab | THE DISTANCE ORGANIZATION OF A KEKBENSFOER ANCHORED DENTAL IMPLANT |
| JPH053885A (en) * | 1990-10-25 | 1993-01-14 | Olympus Optical Co Ltd | Dental implant |
| KR0135235B1 (en) * | 1994-08-03 | 1998-04-22 | 황유성 | Implant for transplantation surgery for artificial teeth |
| US5681167A (en) * | 1996-01-05 | 1997-10-28 | Lazarof; Sargon | Dental assembly and process for preparing a tooth prosthesis |
| FR2783700A1 (en) * | 1998-09-30 | 2000-03-31 | Gerard Scortecci | Self threading dental implant has cylindrical body with bore to receive screw engaging bearing ring in bore |
| JP2994635B1 (en) * | 1998-11-25 | 1999-12-27 | 有限会社トゥエンティワン | Dental implant |
-
2000
- 2000-03-06 WO PCT/KR2000/000175 patent/WO2001066033A1/en not_active Application Discontinuation
- 2000-03-06 EP EP00908094A patent/EP1261292A4/en not_active Withdrawn
- 2000-03-06 CN CN00817497.0A patent/CN1216580C/en not_active Expired - Fee Related
- 2000-03-06 JP JP2001564689A patent/JP2003525690A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109069232A (en) * | 2016-04-12 | 2018-12-21 | 株式会社南陶 | Fixture, implantation material |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001066033A1 (en) | 2001-09-13 |
| EP1261292A1 (en) | 2002-12-04 |
| JP2003525690A (en) | 2003-09-02 |
| CN1460010A (en) | 2003-12-03 |
| EP1261292A4 (en) | 2006-04-12 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20050831 Termination date: 20140306 |