KR101669577B1

KR101669577B1 - Implant Assembly Devices

Info

Publication number: KR101669577B1
Application number: KR1020150174352A
Authority: KR
Inventors: 정창주
Original assignee: 정창주
Priority date: 2015-12-08
Filing date: 2015-12-08
Publication date: 2016-10-26

Abstract

Disclosed is a device for assembling a dental implant. According to an embodiment of the present invention, the device for assembling a dental implant comprises: a fixture implanted in the alveolar bone of an edentulous area; an abutment coupled to the fixture and having opened both ends and a channel formed therein; and a screw penetrating the abutment and coupled to the fixture by screw coupling, wherein the screw includes an installation means which has a screw groove on an upper head unit of the screw, is inserted and coupled into the screw groove to fix the screw and rotates to rotate the screw so as to enable screw coupling. Accordingly, a dentist can perform main assembling processes using a driver after assembling the implant supposititiously and checking whether the screw is accurately coupled by coupling the installation means to the screw groove of the screw after inserting the screw in the abutment and then coupling temporarily while rotating the installation means with a weak turning force. Therefore, the device can markedly reduce an error rate in screw coupling and prevent damage to alveolar bone tissue, and enable high quality dental implant surgery.

Description

[0001] Implant Assembly Devices [0002]

The present invention relates to an implant assembly apparatus, and more particularly, to an implant assembly apparatus in which an abutment can be easily disposed in an upper portion of an upper portion of a maxilla or a mandible when performing an implant, and an accurate mounting position can be set by gluing.

In general, it is encouraging that many people are getting better physique such as height or weight due to improvement of diet. However, the health of teeth is getting worse as they prefer soft foods and sweet foods. The need is increasing.

In response to these demands, there have been many technological innovations in dentures, and modern advanced technologies have developed dentures that are harmless to the human body but have little rejection and do not cause physiological disability even if they are attached to human body for a long time.

As such dentures, dental implants have been commonly used recently.

As shown in Fig. 1, the implant inserts a fixture 100 ', which is a screw-shaped artificial tooth fixation made of titanium, into the alveolar bone 400' of the portion where the teeth have been lost.

After that, it is fused with alveolar bone for a certain period. Thereafter, the gum 450 'is cut and the abutment 110', which is a connecting member, is connected to the fixture.

The screw 120 'is inserted into the abutment 110' and screwed to the fixture 100 to be integrated.

Screwing of the screw 120 'is performed by a driver 200' and a power tool 300 'on which a screwdriver is mounted, as shown in FIG.

A hexagonal screw groove 122 'is formed in the upper part of the screw 120', and a driver 200 'having hexagonal hexabets formed to be coupled to the screw groove 122' is used.

And then an artificial tooth 500 'is fixed to the outer surface of the abutment 110'.

On the other hand, when the implant is implanted in the innermost part of the mandible or maxilla, the space is a typical example of the implant, which is particularly difficult during the implant procedure.

Therefore, it is difficult to insert the driver 200 'vertically due to the narrowness of the space, and when the screw 120' is inserted in a slightly inclined state, the screw 120 ' 110 'in the screw 100', and in the process of over-tightening the screw in the abnormal fastening state, excessive damage to the alveolar bone at the operation site and poor durability due to poor coupling state are caused .

The present invention uses a screwdriver from the beginning when the screw is inserted into the abutment and rotates when the screw is inserted into the abutment in a narrow space, thereby rotating the screw in an abnormal rotation state of the screwdriver, It is possible to temporarily fix the screw to the abutment and the fixture in a vertical state even in a narrow space while rotating the screw with a weak force and to obtain an accurate assembled state by the assembling of the screw, The present invention has been made in view of the above problems, and it is an object of the present invention to provide an implant assembly apparatus capable of performing high-quality implant treatment by significantly reducing the defective rate.

It is an object of the present invention to provide a fixture that is immersed in alveolar bone of a portion where a tooth has been lost; An abutment coupled to the fixture, the abutment having both open ends and a passageway formed therein; The apparatus for assembling an implant including a screw threaded into a fixture through the abutment, wherein the screw has a screw groove formed in the upper head, and is screwed into the screw groove of the screw to fix the screw And mounting means for rotating and screwing the screw while being rotated.

The mounting means includes a body formed at one side of the fitting portion for interference with the screw groove of the screw and extending to the fitting portion.

The fitting portion is formed in a conical shape having a smaller diameter from the upper portion to the lower portion so as to be compatible according to the size of the screw groove.

And a core member embedded in the fitting portion and the body and having ductility.

And an elastic member coupled to the outer circumferential surface of the body and closely contacting the inner circumferential surface of the passage of the abutment.

The elastic member is characterized in that a plurality of convex arc-shaped leaf springs are formed.

And a head formed on the other side of the body and coupled to the power tool.

According to the present invention, when a screw is inserted into an abutment in a narrow space, the screw is inserted into the screw groove, the mounting means is coupled to the screw groove, and the screw is temporarily assembled while rotating with a weak force. It is possible to perform the main assembly process using a post screwdriver so that the defect rate of the screw tightening can be greatly reduced and the alveolar bone tissue can be prevented from being damaged, so that a high quality implant treatment can be performed.

1 is a view showing an example of a conventional implant,
FIG. 2 is a view showing an example of a procedure of a conventional implant,
FIG. 3 is an exploded perspective view of an implant assembly apparatus according to an embodiment of the present invention, FIG.
FIG. 4 is a perspective view of an implant assembly apparatus according to an embodiment of the present invention. FIG.
FIG. 5 is a cross-sectional view illustrating a surgical procedure of an implant assembly apparatus according to an embodiment of the present invention,
6 to 9 are views showing an example of mounting means applied to the present invention,
FIG. 10 is a sectional view showing an implant completed using an implant assembly apparatus according to an embodiment of the present invention; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. It does not mean anything.

In addition, the sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined specifically in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user, operator It should be noted that the definitions of these terms should be made on the basis of the contents throughout this specification.

FIG. 3 is an exploded perspective view illustrating an apparatus for assembling an implant according to an embodiment of the present invention. FIG. 4 is a perspective view of an apparatus for assembling an implant according to an embodiment of the present invention. 6 and 7 are views showing an example of a mounting means applied to the present invention, and Fig. 8 is an exploded perspective view of an implant assembly apparatus according to an embodiment of the present invention. Sectional view showing a completed implant using the implant.

3 to 8, an implant assembly apparatus according to an embodiment of the present invention includes a fixture 100 to be inserted into an alveolar bone 400 of a portion where a tooth has been lost; An abutment 110 coupled to the fixture 100 and having both ends open and a passage 111 formed therein; The screw 120 is screwed into the fixture 100 through the abutment 110. The screw 120 has a screw groove 122 formed in the top of the screw 120, And mounting means 2 for fitting the screw 120 into the screw groove 122 of the screw 120 to fix the screw 120 and rotating the screw 120 while rotating the screw 120.

The fixture 100 is used as a fixation member for fixing a dental prosthesis and an orthopedic prosthesis to the alveolar bone.

The alveolar bone tissue into which the fixture 100 is inserted is largely composed of the cancellous bone and the cortical bone. The cancellous bone is a relatively soft bone tissue inside the bone, and the cortical bone is harder than the cancellous bone and forms a relatively thin film that generally surrounds the cancellous bone.

Normally, the cancellous bone is located at a deeper position than the cortical bone, so that when the fixture is inserted, it is placed mainly in the cancellous bone.

The fixture 100 is formed with a thread 101 on the outer circumferential surface of a cylindrical body, and the fixture 100 has a cylindrical shape tapered so that the other end thereof is narrower in cross section than one end, A hexagonal screw groove 106 is formed in the inside of the groove 102 and an inner screw thread 107 is formed in the lower part of the screw groove 106 so that the screw 120 is screwed.

The abutment 110 has one end coupled to the fixture 100 and having both ends opened and a passage 111 formed therein. One end of the outer circumferential surface of the abutment 110 has a smaller outer diameter, And a hexagonal hexagonal fitting portion 114 is formed at the lower end of the cylindrical tube portion 116. The hexagonal fitting portion 114 is inserted into the screw groove 122 at the lower end.

A thread 101 is formed on the lower portion of the screw 120 so as to be screwed to the inner thread portion 107 of the fixture 100 and a hexagonal thread groove 122 is formed on the upper portion of the screw 120. The upper portion of the abutment 110 And screwed into the fixture 100.

The mounting means 2 is formed of a body 24 having a fitting portion 22 at one side thereof which is inserted into the screw groove 122 of the screw 120 and extending to the fitting portion 22.

Preferably, the body 24 and the fitting portion 22 of the mounting means 2 are made of a soft material such as plastic.

As shown in Fig. 6, the body 24 and the head 28 are integrally formed and made of a material different from that of the fitting portion 22. As shown in Fig.

The fitting portion 22 is made of a soft material and the body 24 is made of a hard material and the fitting portion 22 and the body 24 are integrally formed by insert molding.

Alternatively, as shown in Fig. 7, the fitting portion 22 and the body 24 are integrally formed, and are formed of a material different from that of the head 28. [

The coil spring 26b is connected to the separated bodies 24b-1 and 24b-2 so that the coil spring 26b is elastically deformed in the left and right directions The warping of the head 28 can be facilitated.

The fitting portion 22 and the bodies 24 and 24b are made of a hard material and the head 28 can be made of a soft material.

The material described above is a plastic material, and softness and hardness mean hardness or hardness.

And a core member 25 embedded in the fitting portion 22 and the body 24 and having ductility.

The core member 25 is made of a soft metal such as copper or aluminum, and can be bent along with the bending of the body 24, and can maintain its state after bending.

The fitting portion 22 is formed in a conical shape having a smaller diameter from the upper portion to the lower portion so as to be compatible with the screw groove 122 of the screw 120.

The fitting portion 22 can be fixedly inserted into the screw groove 122 by being forcedly inserted into the screw groove 122 and the screw 120 can be rotated together with the mounting means 2 when the mounting means 2 is rotated.

And an elastic member 26 coupled to the outer circumferential surface of the body 24 and closely contacting the inner circumferential surface of the passage 111 of the abutment 110.

3, upper and lower rings 261 and 262 are formed at upper and lower portions of the elastic member 26 to be engaged with the body 24, and upper and lower rings 261 and 262 are connected to each other. Shaped plate spring 263 formed in a radial manner and coupled to the outer circumferential surface of the body 24.

Or an elastic member 26 'formed by forming a plurality of arcuate elastic pieces 263' in the circumferential direction on the outer circumferential surface of the body 24 'as shown in FIG. 9, the elastic member 26' May be formed integrally with the body 24 '.

On the other hand, a head 28, which is formed on the other side of the body 24, that is, the upper side and to which a power tool (not shown) is coupled, is formed.

The head 28 is formed in a cylindrical shape larger in diameter than the body and formed integrally with the body 24 and can be screwed to an adapter (not shown) of the power tool by forming a thread 101 on the outer peripheral surface.

Hereinafter, the operation of the present invention will be described.

After the incision of the gum 450 is performed, the fixture 100 is inserted into the alveolar bone 400 and then fixed to the alveolar bone 400 for a predetermined period of time.

Thereafter, the gum 450 is cut, the abutment 110 is inserted into the fixture 100, the screw 120 is inserted through the upper opening of the abutment 110, and the screw 101 is inserted into the fixture 100, So as to enter the inner side spiral portion 107 of the inner side.

The mounting means 2 is inserted from the upper opening of the abutment 110 so that the fitting portion 22 is pressed against the screw groove 122 of the screw 120. [

After the screw 120 is forcedly inserted, the mounting means 2 is rotated to cause the screw 120 to rotate together with the fixture 100 so that the screw 120 is screwed into the fixture 100, thereby confirming whether the screw 120 is fastened in a normal state.

When the space is narrow in the process of assembling using the mounting means 2, the head 28 of the mounting means 2 is tilted to one side so that the body 24 is bent, Can be completed.

After the mounting means 2 is removed and removed, the screwdriver 200 is coupled to the screw groove 122 of the screw 120, and the screw 120 is tightened tightly using a torque tool such as a torque wrench.

After the fixing operation of the abutment 110 is completed, the implantation is completed by coupling the artificial teeth ().

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

100: fixture 110: abutment
120; Screw 2; Mounting means
22: fitting portion 24: body
25: core member 26: elastic member

Claims

A fixture immersed in the alveolar bone of the lost part of the tooth; An abutment coupled to the fixture, the abutment having both open ends and a passageway formed therein; An apparatus for assembling an implant including a screw threaded into a fixture through the abutment,
The screw has a screw groove formed in the upper head,
And a mounting means for fitting the screw into the screw groove of the screw so as to fix the screw, and rotating the screw while rotating to screw the screw,
The mounting means
A fitting portion which is in interference with the screw groove of the screw is formed at one side,
And a body formed in the fitting portion,

And an elastic member coupled to an outer circumferential surface of the body and closely contacting the inner circumferential surface of the passageway of the abutment,

The elastic member
An upper, a lower ring, and a plurality of convex arcuate leaf springs connecting radial upper and lower rings, and is coupled to an outer circumferential surface of the body.

delete

The method according to claim 1,
Wherein the fitting portion has a conical shape having a smaller diameter from the upper portion to the lower portion so as to be compatible according to the size of the screw groove.

The method according to claim 1,
And a core member embedded in the fitting portion and the body and having ductility.

delete

The method according to claim 1,
And a head formed on the other side of the body and coupled to the power tool.

delete

A fixture immersed in the alveolar bone of the lost part of the tooth; An abutment coupled to the fixture, the abutment having both open ends and a passageway formed therein; An apparatus for assembling an implant including a screw threaded into a fixture through the abutment,
The screw has a screw groove formed in the upper head,
Mounting means formed on one side of the screw groove of the screw so as to be in interference with the screw groove of the screw and formed of a body formed in the fitting portion;
An elastic member coupled to an outer circumferential surface of the body and closely contacting the inner circumferential surface of the passage of the abutment;
A head formed on the other side of the body and coupled to the power tool;
And an implantation device for implanting the implant.

13. The method of claim 12,
Wherein the fitting portion has a conical shape having a smaller diameter from the upper portion to the lower portion so as to be compatible according to the size of the screw groove.

13. The method of claim 12,
And a core member embedded in the fitting portion and the body and having ductility.

13. The method of claim 12,
The elastic member
An upper, a lower ring, and a plurality of convex arcuate leaf springs connecting radial upper and lower rings, and is coupled to an outer circumferential surface of the body.

delete

13. The method according to any one of claims 1 to 12,
Wherein the body and the fitting portion are made of different materials.

23. The method of claim 22,
Wherein the fitting portion is made of a soft material, the body is made of a hard material, and the fitting portion and the body are integrally formed by insert molding.

13. The method of claim 12,
Wherein the fitting portion and the body are integrally formed and formed of a material different from that of the head.

25. The method of claim 24,
Wherein the fitting portion and the body are made of a hard material and the head is made of a soft material.

delete

13. The method according to any one of claims 1 to 12,
Wherein the body is divided into two pieces, and the separated body is connected to a coil spring.

13. The method of claim 12,
And an elastic member formed by integrally molding a plurality of elastic pieces on an outer circumferential surface of the body.