KR20130049847A - Implant fixture - Google Patents

Abstract

PURPOSE: An implant fixture with a gripping structure-implanting configuration of the middle part and the lower part is provided to enable simple implanting. CONSTITUTION: An implant fixture with various implanting structures of the middle part has a gripping structure-implanting configuration at the middle part and the lower part. The implant fixture comprises: an upper screw thread with a counter wind on a fixture body and a cutting edge under the wing; a middle part implanting structure of various shapes; a lower screw thread with the cutting edge. A plurality of wedge-shaped functional protrusions(2) is formed at an upper counter wing(1).

Description

Implant Fixtures with various types of intermediate and lower grip structures

The present invention relates to an implant fixture having a gripping structure of the intermediate and lower portions of various forms.

In detail, the present invention, the function of the upper jaw and middle to provide a fastening force with the alveolar bone in order to perform a simpler, easier foreclosure process corresponding to the conditions of the alveolar bone, and to have a more stable and solid fasting state at the beginning The present invention relates to an implant fixture having various types of intermediate and lower gripping structure embeddings by improving the structure of the secondary thread and the screw surface.

In the case of a missing tooth, a bridge was used in which a denture was inserted or a surrounding portion of a tooth was used as a column and a missing portion was covered with a metal or the like.

However, such a procedure has a number of problems, such as a false teeth or bridges artificial teeth chewing food and adversely affects the surrounding teeth.

As a result, the implant procedure was introduced as a treatment of the developed dental care. Such implantation is to form an artificial tooth root in the alveolar bone, by using the combined artificial teeth made similar to the actual teeth using the tooth to obtain the effect of using the actual tooth.

The implantation process is to form a groove groove by using a tool such as a drill in order to implant a fixture in the alveolar bone missing teeth, and after the fixture is buried in the groove groove to combine the abutment (abutment) to the fixture The implant procedure is completed by combining artificial teeth with the abutment.

In the above-described implant procedure, the fixture immobilized on the alveolar bone performs a root function of the tooth, and the abutment (abutment) becomes a connection structure for integrating the artificial tooth and the fixture.

The fixture and abutment (butt tooth) is an implant structure for firmly fixing the artificial tooth in place, such implant structure is mainly made of a metal material such as titanium excellent physical / chemical rigidity.

On the other hand, until the fixture is firmly seated in the alveolar bone, the gingival is again covered for several months with the fixture embedded (submerged type) or the outside of the exposed fixture is closed by a cover screw ( Exposure type), when the fixture is fully seated, the abutment that can cut the gingival or remove the cover screw and form the artificial tooth, that is, abutment is placed in the fixture and covered with a prosthesis.

Since the alveolar bone of the human body is composed of the cortical bone on the outer side and the reticular bone on the inner side thereof in the above-described implant procedure, the weak mesh bone on the inner side is protected by the hard cortical bone on the outer side. Accordingly, So that the outer diameter of the fixture itself is enlarged and formed so as to be stably and firmly embedded.

However, such a fixture is composed of plain (ordinary) threads, which are weak in fixation force, and in the case of incomplete bone fusion or excessive chewing pressure even after bone fusion even after considerable time after implantation is completed, There was a problem that the screw part of the fixture was loosened from the alveolar bone and had to be retreated during chewing.

The present invention has been made to solve the above problems.

Thus, an implant-specific fixture was required.

The purpose of the present invention is to provide a implant fixture having a more stable and firm coupling state with the alveolar bone by forming a configuration that has a high buoyancy force with the alveolar bone as an improved structure of the outer peripheral surface of the implant.

Another object of the present invention is to implant a fixture that can absorb the excessive load on the implanted alveolar bone, there is a dedicated cushioning abutment that can be used to select the size, to have a more stable and robust manner of the implantation and at the same time beautiful appearance In providing a fixture.

In order to achieve the above object, the present invention has the following configuration.

       The present invention is an implant fixture having a gripping structure of the intermediate portion and the lower portion of various forms,

 A plurality of functional protrusions are formed on the outer surface of the counter body of the fixture body upper head portion, and an upper portion capable of integrating the lower portion of the buffering abutment on the upper head portion jaw (wing) has a bottom, and smooth insertion of the circumferential miter thread. For cutting edges, the middle body is a multi-threaded polygonal body of the same diameter as the upper threaded bone diameter, and the middle body is double threaded into a multi-polygonal body of the same diameter as the upper threaded bone diameter. The intermediate body may form a flat surface on both sides of the circumference of the same diameter as the screw bone diameter of the upper portion, and the intermediate body may be a reverse thread of the same diameter as the screw bone diameter of the upper portion And the lower part forms a fine (microthreaded) screw and a cutting edge for smooth insertion, smooth feeding and initial tightening force and reverse rotation It is configured to prevent.

 The circumferential or conical jaw (wing) is formed with a wedge-shaped functional projection that reduces reverse rotation.

The function protrusion is formed to have an upward inclination from the front to the rear side with the rotating direction forward when the buried is configured to prevent a smooth insertion and reverse rotation after the buried.

It consists of a dedicated drill for rapid treatment and a dedicated abutment for longer implant life.

The upper jaw and upper and lower screw types are designed to exert the initial fixing force, and when placed in the groove, it is configured to smoothly minimize the frictional resistance.

The intermediate body of the fixture is a polygonal form of an equilateral triangle, a square, an regular pentagon, a regular hexagon, a regular hexagon, an octagonal form, etc. It is designed to prevent the reverse rotation from excessive squeezing and to prevent falling of the implant fixture due to loosening.

The upper part of the fixture consists of a conical or semi-circular seating groove and a fixture with a hexagonal groove or octagonal groove below and a screw groove for fixing the abutment downward.

As described above, in the present invention, the lower portion of the fixture body is formed of a narrow thread, when the fixture is placed, the upper portion and the portion for the initial fixing, and formed a variety of buried structure in the middle of the fixture after the fixture, the fixture on the alveolar bone It is possible to maintain a more stable fixation, and as time passes, the implant fixture is reversed and the fall is reduced, there is an effect that can maintain a more stable and firm fixing force in the alveolar bone. Wedge-shaped protrusions are formed on the counter sink in the upper part, which can reduce the reverse rotation and reinforce the initial fixation, so that the prosthesis can be raised in a short time, and the patient who received the implant procedure can feel high satisfaction with the procedure. It has an effect.

Figure 1 is an illustration of the use of various implant structure implant fixtures in the (polygonal) middle portion according to the present invention.
Figure 2 is an exemplary view showing the use of various implant structure implant fixtures in the (polygonal) middle portion showing another embodiment 1 according to the present invention.
Figure 3 is an illustration of a variety of buried implant implant fixture in the middle (circular biplane) showing another embodiment 2 according to the present invention.
Figure 4 is an illustration of a variety of buried implant implant fixture in the (back threaded) middle portion showing another embodiment 3 according to the present invention.
Figure 5 is an exemplary view showing a variety of buried implant implant fixture in the middle portion of the buffered abutment lower unitary form according to another embodiment 4 of the present invention.
Figure 6 is a plan view of a combination in which the buffered abutment is coupled to various buried structure implant fixtures in the middle of the (hexagonal body) according to the present invention.
Figure 7 is an enlarged view of the functional projection of the implant fixture conical jaw of the various buried structure according to the present invention.
Figure 8 is an enlarged view of the main part of the implant fixture of the various buried structure according to the present invention.
9 is a front view of various buried structures of an implant fixture intermediate without a cone wing (counter sink wing) on top according to the present invention;
10 is a front view of the wing cover screw according to the present invention.
Figure 11 is a front view of the wing healing cap according to the present invention.
Figure 12 is a front view of the wing abutment according to the present invention.
Figure 13 is a front view of a straight drill according to the present invention.
14 is a front view of a tapered drill according to the present invention.

      Embodiments of the present invention as described above will be described in detail with reference to the accompanying drawings.

      1 is a variety of implant fixtures in the middle of the present invention is a polygonal body (5), or polygonal body thread (6) formation, and the body formed on both sides of the circumference flat like a tooth root (circular bilateral It is well known that the fixtures of the face 11 and the reverse thread 12 are manufactured in a bolt-like shape as a whole.

According to the height of the circumference of the upper part, the fixture can be divided into a recessed type and an exposed type, and FIG. 7 is an enlarged view of the function projection of the implant fixture counter sink. The type projections (2) are arranged, and when the fixture is buried, the direction of rotation is right, so the upward projection from the right to the left has a tilting function, and the rear upward end performs the hook function and turns to the left. It is a structure that is wedge-shaped to reduce reverse rotation due to initial unloading due to the structure that resists reverse rotation (unwinding).

At this time, the rear side performing the hook function of the function protrusion 2 may be formed while maintaining the acute angle of the functional protrusion 2 or less as shown in FIG.

Under the wing (1), it can be inserted into the groove formed by forming and drilling the upper thread (3) having the cutting edge (4) formed on the microthread, and in the middle part to reduce the friction during insertion A polygonal body 5 formed to be equal to the valley diameter of the upper thread 3, or a large, small double-threaded polygonal body, a flat surface (circular biplane) 11 on a circular column, or Since the inverse thread (12) is formed on the circumference, the drilling is carried out with a dedicated drill (0) shaped to fit the alveolar bone, and when the fixture is inserted into the formed groove, the frictional heat is reduced and the frictional heat is reduced, and the drill groove wall is drilled. It is in close contact with the body and can be configured for smooth placement.

The lower microthread (lower thread) 13 is a process of inserting the fixture into the groove of the upper shape and the groove of the middle shape when the fixture is placed in the recessed groove. When the fixture reaches the groove of the lower shape, the lower thread thread The cutting edge 14 of (13) induces smooth placement, and the upper part of the micro thread (upper thread) (3) is gripped to maintain a constant direction, and it is desired to be formed with the same thread pitch as the upper thread (3). It is designed to achieve a solid initial fix.

In addition, the upper portion of the semi-circular groove (15) on which the abutment is seated when fixing the fixture, the hexagonal groove (16) into which the mechanism is inserted and the fixing screw groove (17) on which the fixing screw is formed is formed.

Embodiments of the present invention as described above will be described in detail with reference to the accompanying drawings.

For this purpose, referring to the drawings,

1 is a front view illustrating the present embodiment according to various embodiments of the polygonal recessed structure implant fixture of the middle portion according to the present invention, the threadless polygon body 5 having the same diameter as the bone diameter of the upper thread 3, the various portions of the middle portion Formal implant implant fixture.

The middle polygonal configuration of the same diameter as the bone diameter of the upper portion is configured to reduce the frictional heat generated when the implantation is inserted in such a way as to be inserted, not rotationally placed. Implant fixtures that are configured to be more robust, stable and prevent reverse rotation after loosening.

<Other Embodiment 1>

2 is a cross-sectional view of another embodiment of the present invention.

Referring to the drawings, the middle part of another embodiment is a polygonal body 6 formed with a large, small double thread in a polygonal body 5 formed with various buried implant fixtures equal to the bone diameter of the upper threaded thread 3 as a thread ( 6) shows other configurations.

Such a structure has the effect of widening the surface area of the intermediate portion, thereby fixing the fixture more firmly after embedding.

<Other Embodiment 2>

Figure 3 is an exemplary view showing another embodiment of the present invention, in this embodiment shows another configuration of the various buried structure of the intermediate portion.

Referring to the drawings, the bilateral plane 11 is formed on the circumference of the intermediate part of the implant fixture like a natural tooth root, and after implantation, the implant fixture is prevented from rotating after the implantation.

3 and 4 are exemplary views illustrating various implant structure implant fixtures showing another embodiment according to the present invention.

<Other Example 3>

Figure 4 is an exemplary view showing another embodiment of the present invention, in this embodiment shows another configuration of the various buried structure of the intermediate portion.

Referring to the drawings, after forming a reverse thread on the circumference of the intermediate portion of the implant fixture, the implant is inserted into the part of the implantation, after implantation prevents the rotation of the implant fixture, suggesting a more rigid fixation.

<Other Example 4>

 Figure 5 is an illustration of a variety of implant structure implant fixture in the middle showing another embodiment according to the present invention.

Referring to the drawings, FIG. 5 shows various buried implant fixtures of a buffered abutment lower integral middle portion of another embodiment.

At this time, each of the upper thread (3), the polygonal body (5) of the middle portion, the polygonal body thread (6), the cylindrical flat surface 11, the reverse thread (12), the lower thread (13) As in the configuration of the one embodiment, it was configured by integrating the lower portion of the buffer type abutment to the body of the various buried structure.

 The upper buried structure implant fixtures of the upper portion of the buffer type abutment lower integral type forms a jaw to prevent detachment of the dedicated buffer type rubber or silicone, and the upper portion of the upper portion is a hexagonal groove 16 and a set screw to set the abutment. Implant fixtures with grooves 17 designed to be used when short abutments are required.

After implant implant placement, after bone formation and bone fusion, the same as described above in the original embodiment, the following will be replaced by the above-described tactic.

Figure 6 is a plan view of a combination of the buffered abutment to the hexagonal shape (5) various buried structure implant fixture according to the present invention.

6 is an example of various types of polygons, and a hexagonal configuration is depicted, and may be configured in various forms from a triangle to an octagon.

The upper head portion of the fixture body has a function protrusion (2) formed on the outer surface of the counter sink at six radial points or more, and the function protrusion (2) has an upward inclination from the front to the rear with the rotating direction forward. It is formed to have a smooth insertion and is configured to prevent the reverse rotation after the implantation. The upper part forms a cutting edge 4 for smooth insertion with the miter thread 3 of the circumference, and the middle part body forms a hexagonal polygon 5 having the same diameter as the screw bone diameter of the upper part. When placing, the middle is inserted by inserting, and the lower part doubles the initial fixing force at the time of implantation, such as the upper part, and a fine (microthreaded) screw 13 at the lower part is formed, so that the jaw 1 and the upper thread of the counter sink are formed. (3) And the lower thread (13) form is designed to exert the initial fixing force, and when placed in the groove, it is configured to minimize the frictional resistance and to facilitate a smooth buried.

The function of the fixture is that after the bone formation and bone fusion, the body portion of the middle portion in contact with the inner circle, such as the bone diameter of the thread of the narrow pitch of the upper part fused with the bone in various forms to prevent rotation, the function projection of the upper cone (2) It is seated close to the edge of the groove so that it can be fixed stably and firmly, and is configured to resist reverse rotation due to initial chewing pressure or unloading caused during operation of the instrument during the second operation.

 8 is an enlarged view of a main part of an implant fixture having various buried structures according to the present invention.

Referring to the drawings, FIG. 8 is a plan view showing the various buried implant fixtures in the middle from the bottom, the lower thread 13, the polygon body 5 in the middle, the upper thread 3, and the jaw 1 of the countersink. It is also an example enlarged to the function protrusion (2) in). The function of the fixture is that after the bone formation and bone fusion, the body portion of the middle portion in contact with the inner circle, such as the bone diameter of the thread of the narrow pitch of the upper part fused with the bone in various forms to prevent rotation, the function projection of the upper cone (2) It is seated close to the edge of the groove so that it can be fixed stably and firmly, and is configured to resist reverse rotation due to initial chewing pressure or unloading caused during operation of the instrument during the second operation.

<Other Example 5>

In another embodiment, Figure 9 is an illustration of a variety of implant structure implant fixture in the middle showing another embodiment according to the present invention.

Referring to the drawings, FIG. 9 shows various implanted implant fixtures in the middle of an implant fixture 18 without the countersink 1 of another embodiment.

If the implant fixture of the conical (counter sink) jaw (1) is not available, it can be used, wherein each of the upper threads (3), the polygonal body (5) of the middle part, the polygonal body thread (6), the columnar shape The flat surface 11, reverse thread 12, and lower thread 13 of the portion are the same as in the above-described configuration of the embodiment, the shape and role of the implant fixture 18 without the countersink (chin) (1) Since all of the various buried structure implant fixtures in the middle part also apply, the following description is replaced with the above description.

Figure 10 is a coupling of the wing cover screw 19 according to the present invention coupled to the fixture.

11 and 12 are front view of the wing cover screw 19 and wing healing cap 20, wing abutment 21 according to the present invention.

Referring to the drawings, the wing cover screw 19 covers the upper part of the fixture after the fixture is placed in the recess, and the upper part is formed with a flat plate on the center and a reverse groove on the hexagon, and the upper diameter of the fixture on the plate border. The larger wing is extended, and when the lower part is joined by rotating in the form of a semi-circular body coupled to the inside of the upper part of the fixture and a fixing screw below, a wing larger than the diameter of the upper part of the fixture surrounds the fixture and rests on the alveolar bone. It is fixed. In addition, the wing healing cap 20 increases the circumferential thickness in the middle of the large wing, forms a hexagonal groove in the center, and the wing abutment 21 is placed on the center abutment on the large wing. .

 After implanting the implant fixture (18) without the countersink (tuck) (1) in the alveolar bone instead of the implant fixture, the wing cover screw (19), wing healing cap (20), and wing abutment Fixing the abutment (21) with the use of a set screw secures the wing from the adjustment of the alveolar bone and the fixture around the fixture in such a way that the wing is pressed against the fixture and the alveolar bone around the fixture. You can get the effect of initial fixation with similar effect.

When using the wing cover screw (19) or wing healing cap (20),

At this time, the wing cover screw 19 is applied to both the internal and external fixtures of the submerged type and the exposed fixture during the procedure.

That is, in the case of the submerged type, a fixture is placed in the groove, the wing cover screw 19 is combined, and the gingival is completely covered and sealed. After removing the cover screw 19 and installing the wing abutment (abutment) 21 or the general abutment instead of the wing is formed, the prosthesis is generated to complete the operation.

In the case of exposed fixtures, the fixture is placed in the groove, the wing cover screw (19) is just combined on the gingiva, and the gingival is pressed to prevent hemostasis and wound dehiscence, thereby helping to regenerate the gingival wound. After the bone fusion is made, the second operation to remove the wing cover screw (19) and instead of the wing formed wing abutment (butt) 21 or general abutment to create a prosthesis to complete the operation .

That is, the present invention can be applied to the wing cover screw 19 after embedding the fixture body to perform the submerged type of treatment, and also by applying the wing abutment 21 instead of the wing cover screw 19 of the exposure type The procedure can be combined. Therefore, in the above embodiment, only the wing cover screw 19 is shown as an embodiment, and the treatment may be performed by applying the wing healing cap 20 and the wing abutment (abutment) 21.

In the upper part of the fixture, the abutment is settled, and conical or semicircular seating grooves for correct coupling and octagonal grooves and screw grooves are formed to fix the abutment to prevent impurities and bacterial invasion. do.

The overall appearance of the implant fixture is tapered downward at the upper and lower threads, but the upper shape is cylindrical and tapered downward from the lower third of the implant fixture to resist chewing pressure. .

Figure 13 is a front view of a straight drill according to the present invention.

14 is a front view of a tapered drill according to the present invention.

Referring to the drawings, FIGS. 13 and 14 are marked in length so that the length can be adjusted by a dedicated drill mechanism of the above-mentioned straight shape and tapered implant fixture, and is formed in a structure for tightening and fixing the counter sink.

In the above-described embodiments of the present invention, only one preferred embodiment of the present invention has been described, and the technical scope of the present invention is not limited.

In addition, the present invention is not limited to dental implant fixtures, but may be applied to implant fixtures used in orthopedic surgery, and various modifications may be possible within the technical spirit, and it is natural that such modifications fall within the scope of the present invention. I will say.

1: conical jaw (wing) 2: function projection
3: upper thread thread 4: cutting edge of the upper thread thread
5: polygon body 6; Thread of polygon body
7: twisted 8: curved edges
9: cutting edge 10: straight (straight)
11: both cylindrical surfaces 12: inverse thread
13: Lower thread 14: Cutting edge of lower thread
15: semicircular groove 16: hexagon groove
17: set screw groove 18; Wingless fixtures
19; Wing cover screws 20; Wing healing
21; Wing abutment 22; Buffer abutment upper
23; Buffer 24; Buffering abutment lower
25; Fixing screw 26; Fixed screw
27; Shock Absorber Lower Wing Integrated Wing

Claims (10)

The present invention is an implant fixture having a gripping structure of the intermediate portion and the lower portion of various forms,
It consists of a counter wing on the upper part of the fixture body, an upper thread with a cutting edge formed under the wing, a variety of intermediate buried structures, and a lower thread with a cutting edge formed. Various buried structure implant fixture, characterized in that configured to prevent the. The method of claim 1,
The upper counter wing (1) has a plurality of wedge-shaped implant fixtures, characterized in that a plurality of wedge-shaped functional projections (2) having an upward inclination from the front to the rear side with the rotating direction forward. The method of claim 1,
To form the outer peripheral surface of the middle polygon of the same diameter as the upper thread (3) valley (triangular, square, pentagonal, hexagonal, octagonal octagonal shape, etc.), so that it is inserted into the groove grooves, so as to prevent rotation after insertion and embedding without friction resistance Implant fixtures of various buried structures, characterized in that the configuration. The method of claim 3,
The various types of implant structure fixtures in the middle portion, characterized in that the body formed a large, small double thread on the outer circumferential surface of the middle polygon (triangle, rectangle, pentagon, hexagon, octagonal octagonal form, etc.) to expand the area to be fused. The method of claim 1,
The intermediate body has an outer circumferential surface having a flat surface formed on both sides of the circumference, so that it can be inserted without a frictional resistance, and after bone fusion, the intermediate body is configured to prevent rotation by the flat surface on both sides. Wealth variety of buried structure implant fixtures. The method of claim 1,
The intermediate body is inserted into the groove groove outer peripheral surface formed with a reverse thread in the circumference can be inserted without friction, and after the bone fusion, the intermediate portion characterized in that configured to prevent rotation by the reverse thread of the circumference Forged structure implant fixture. The method of claim 1,
In the upper part of the implant fixture having the intermediate structure and the gripping structure of the lower portion of the various forms, the semi-circular seating groove 15 and the hexagonal groove 16 and the fixing screw groove 17 are configured. Fenced structure implant fixture .. The method of claim 1,
The present invention is an implant fixture having a gripping structure of the intermediate portion and the lower portion of various forms,
Integrate the lower portion of the buffered abutment on the counter wing of the upper part of the implant fixture having a variety of intermediate and lower grip structures. Various recessed structure implant fixtures, characterized in that they are configured to prevent rotation The method of claim 8,
The various implant structures of the intermediate structure, characterized in that the hexagonal grooves 16 and the fixing screw grooves 17 are formed in the upper part of the implant fixture integrating the lower portion of the cushioning abutment to the body of the various buried structures. The method of claim 1,
The implant fixture having various types of intermediate and lower grip structure buried configurations has a dedicated drill mechanism, and the counter fixture is formed to have a structure for adjusting the length by moving the countersink and tightening to form a buried groove. Wealth variety of buried structure implant fixtures.

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