WO2012134006A1 - Apparatus for sustaining the formation of bone tissue - Google Patents

Abstract

The present invention relates to an apparatus for sustaining the formation of bone tissue, which enables a dental procedure using an apparatus for forming bone tissue to be effective, such that the position of the implanted bone tissue can always be maintained in a safe state after performing a bone graft to fill a damaged alveolar bone using a bone graft material before implanting an artificial tooth.

Description

Bone Tissue Formation Maintainer

The present invention relates to a device for maintaining bone tissue formation, and more particularly, the position of bone tissue transplanted using a device for forming bone tissue after bone graft filling the damaged alveolar bone with bone graft material before implanting artificial teeth is always safe. It is to maintain the state.

In general, if the alveolar bone is lost or injured due to innate and acquired factors before placing the artificial tooth in the alveolar bone (gum bone), a procedure for restoring the damaged bone tissue is also performed. After drilling a hole in the alveolar bone with implantation and holding the strut, the artificial bone or bone graft material is filled in the damaged bone tissue.

In this case, the implanted bone graft material is wrapped around the bone graft material with a shielding film so as not to be disturbed by bone growth by the growth of epithelial tissue or connective tissue. A method of fixing with a back, or a method of fixing to periosteum and gingival tissue using a suture is widely used.

However, after the bone graft material is filled in order to restore such damaged bone tissue, the procedure is lengthened due to the difficulty of the procedure when the shielding membrane is directly fixed with a screw or the like to maintain bone tissue formation. In addition, it may cause fatigue to the operator, and in case of fixing the shield using suture, it is difficult to fix the shield in case of weak gum bone or severe damage, and it is necessary to retreat after the procedure. There were many problems such as being done.

The present invention using the device for forming bone tissue after bone graft filling the damaged alveolar bone with bone graft material before implantation of artificial teeth can be effectively performed so that the location of the implanted bone tissue can always be safely maintained It provides a bone tissue formation maintaining device that can maximize.

The present invention protects the bone graft material implanted around the alveolar bone, and is formed to be bent at equal intervals from the outside along the outer circumferential surface to be filled with the holding post having a holding base body is fixed to the alveolar bone is fixed Provided is a bone tissue formation maintaining device, characterized in that consisting of a fixing member is formed with a plurality of support pieces provided with an elastic force surrounding the bone graft material from the outside.

A plurality of threads and valleys are repeatedly formed on the lower outer circumferential surface of the strut body to form a spiral fastening portion in a shape that decreases in diameter downward, and a plurality of threads and valleys are formed on the upper outer circumferential surface of the strut body on the top of the spiral fastening portion. Repeatedly formed to extend to have a smaller diameter than the spiral fastening portion is characterized in that the thread guide portion is formed.

The fixing member is characterized in that it is fixed and released by the holding cap from the holding body of the holding post.

On the upper circumferential surface of the support body, a pedestal is formed horizontally through which the through-hole of the upper center of the fixing member made of titanium penetrates, and a fastening groove having a tool insertion groove is formed on the upper circumferential surface of the support pedestal body. It is characterized by what is formed.

A recessed groove is formed in the lower center of the fixing cap, and a fixing piece inserted into the tool insertion groove of the support stand body protrudes from the center of the recessed groove, and passes through the through hole in the upper center of the fixing member. An inner circumferential surface is integrally formed with a fastening groove which is engaged with each other by a fastening groove of the upper body circumferential surface, and a tool insertion groove into which a tool for rotating the fixed cap is inserted in the upper center of the fixed cap. It is characterized by that formed.

Each of the support pieces formed on the fixing member is characterized in that the horizontal support piece is formed at equal intervals from the top to the lower length from the longer side.

The upper portion of the fixing member is characterized in that the mesh mesh made of titanium is installed.

The mesh net is formed with a plurality of through holes, characterized in that the length of the support piece formed on the front and rear of the fixing member outer peripheral surface is shorter than the length of the support pieces formed on both sides of the fixing member outer peripheral surface.

The support pieces formed on both sides of the fixing member outer circumferential surface is characterized in that the horizontal support pieces are formed at equal intervals from the top to the lower length.

The present invention can be performed by using the device for forming bone tissue after bone graft filling the damaged alveolar bone with bone graft material prior to implantation of artificial teeth, so that the implanted bone tissue can be effectively maintained so that the position of the implanted bone tissue is always safe In addition to maximizing the efficiency, it can provide a great satisfaction to the patient after the procedure.

1 is an overall exploded perspective view showing a first embodiment of the bone tissue formation maintaining device of the present invention

FIG. 2 is a bottom exploded perspective view of FIG. 1.

3 is a perspective view showing a combined state of FIG.

Figure 4 is a longitudinal cross-sectional view showing a state in which the bone tissue formation maintaining device of the present invention was performed

5 is a perspective view showing a second embodiment of the fixing member according to the present invention;

6 is a perspective view showing a third embodiment of the fixing member according to the present invention;

7 is a perspective view showing a fourth embodiment of the fixing member according to the present invention;

* Description of the symbols for the main parts of the drawings *

10; Props 12; Strut body

14; Spiral fastening 16; Spiral guide

17; Pedestals 18, 38; Tool insert groove

19,36; Fastening groove 20; Fixing member

22,29; Through hole 24; Support

26; Horizontal support piece 28; Mesh

30; Fixing cap 32; Home

34; Fixing piece 100; Alveolar bone

200; Bone graft

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

In describing the embodiments of the present invention, descriptions of technical contents which are well known in the technical field to which the present invention belongs and are not directly related to the present invention will be omitted. This is to more clearly without obscure the subject matter of the present invention by omitting unnecessary description.

For the same reason, some components in the accompanying drawings are exaggerated, omitted, or schematically illustrated, and the size of each component does not entirely reflect the actual size. Like reference numerals designate like or corresponding elements throughout the drawings.

On the other hand, in the present specification and drawings have been described with respect to preferred embodiments of the present invention, although specific terms are used, it is merely used in a general sense to easily explain the technical details of the present invention and to help understand the design, It is not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other modified embodiments based on the technical idea of the present invention can be implemented in addition to the embodiments disclosed herein.

1 is an exploded perspective view showing a first embodiment of the bone tissue formation maintaining device of the present invention, Figure 2 is a bottom exploded perspective view of Figure 1, Figure 3 is a perspective view showing a combined state of Figure 1, Figure 4 Is a longitudinal sectional view showing a state in which the bone tissue formation maintaining device of the present invention is performed, Figure 5 is a perspective view showing a second embodiment of the fixing member according to the present invention, Figure 6 is a third embodiment of the fixing member according to the present invention 7 is a perspective view showing a fourth embodiment of a fixing member according to the present invention.

The bone tissue formation maintaining device for forming bone tissue after bone graft filling the damaged alveolar bone 100 with the bone graft material 200 before implanting the artificial tooth of the present invention of the holding table 10 is placed in the alveolar bone 100 Helical fastening part in a shape that the diameter of the smaller toward the bottom is formed by repeatedly forming a plurality of threads and valleys in order to secure the support body 12 to the alveolar bone 100 on the lower outer peripheral surface of the support base body 12 ( 14) is formed, and the support post body 12 from the bone support as it rotates when removing the support post body 12 after the formation of bone tissue is completed on the upper peripheral surface of the support post body 12 on the top of the spiral fastening portion 14. A plurality of threads and valleys for guiding easy removal are formed so that the spiral guide portion 16 having a diameter smaller than the spiral fastening portion 14 is extended.

In addition, a circular pedestal 17 is formed horizontally on the upper outer circumferential surface of the pedestal body 12, and a tool insertion groove 18 having a rectangular shape is formed on the upper circumferential surface of the pedestal body 12 on the pedestal 17. A fastening groove 19 formed at the center thereof is formed, and the upper part of the fixing member 20 made of titanium for protecting the bone graft material 200 implanted around the alveolar bone 100 is wrapped around the support base 10. A through hole 22 is formed in the center to penetrate the upper portion of the support body 12 and rests on the pedestal 17. The fixing member 20 has an outer circumference along its outer circumferential surface around the through hole 22. Formed at equal intervals bent downward from the side is formed a plurality of support pieces 24 are provided with an elastic force surrounding the filled bone graft material 200 from the outside.

In addition, a concave groove 32 is formed in a lower center of the fixing cap 30 for fixing and releasing the fixing member 20 to the support stand body 12, and the fixing is formed at the center of the concave groove 32. A cylindrical fixing piece 34 is formed to protrude through the through hole 22 of the member 20 and is inserted into the tool insertion groove 18 of the support base body 12, and the inner peripheral surface of the recessed groove 32 is formed. There is a fastening groove 36 is formed integrally engaged with the fastening groove 19 of the upper outer peripheral surface of the support stand body 12, the fastening and release of the fixed cap 30 in the upper center of the fixed cap 30 When the tool for rotating the fixed cap 30 (not shown) is inserted into the tool insertion groove 38 having a hexagonal shape is formed.

1 to 4, when the present invention is configured as described above, to form bone tissue after bone graft filling the damaged alveolar bone 100 with bone graft material 200 before implanting artificial teeth, Drilling a hole in the alveolar bone 100 with a drill or the like to install a support stand 10 perpendicular to the hole, wherein a plurality of threads and bones are repeated on the outer peripheral surface of the support stand body 12 of the support stand 10. Since the spiral fastening portion 14 is formed to have a shape that decreases in diameter downward, when the tool is inserted into the tool insertion groove 18 at the center of the upper end of the support base body 12, the spiral fastening portion 14 rotates. Rotating while it is possible to easily install the holding table 10 to be stuck in the alveolar bone 100 to the top of the spiral fastening portion.

Then, after filling the bone graft material 200 to the lower end of the circular pedestal 17 formed horizontally on the upper outer peripheral surface of the support post body 12, and to the pedestal 17 of the upper support post body 12 While penetrating through the through hole 22 in the center of the fixing member 20, which serves as the protective device, and seating the fixing member 20, downward from the outside along its outer circumferential surface with respect to the through hole 22 of the fixing member 20. Opening the plurality of support pieces 24 bent at equal intervals to face the elastic graft member 200 in a form that wraps the bone graft material 200 from the outside, wherein the plurality of support pieces 24 are long In this case, it is cut to the appropriate length if necessary.

Thereafter, a cylindrical fixing piece 34 protruding from the center of the recess groove 32 in the lower center of the fixed cap 30 to the square tool insertion groove 18 formed at the center of the upper end of the support stand body 12. ) And then, as the tool is inserted into the tool insertion groove 38 at the top center of the fixed cap 30 and rotated, the fastening groove 36 formed on the inner circumferential surface of the recessed groove 32 of the fixed cap 30. The fixing member 20 is firmly secured to the holding table 10 by the fixing cap 30 by being engaged with the fastening groove 19 of the upper outer circumferential surface of the holding table body 12 so as to be lowered. It can be fixed to, and finally the procedure can be completed by closing the gum or epithelial tissue opened for the holding of the holding stand (10).

In addition, when the bone tissue of the alveolar bone 100 is completed to remove the strut 10, opening the gum or releasing the suture of the epithelial tissue, and then inserting the tool insertion groove 36 of the fixed cap 30. After inserting the tool into the rotation in the reverse direction of the fastening to release the fastening state of the fixing cap 30 to remove the fixing cap 30, the holding member 20 from the upper portion of the holding body 12 Pull out.

Next, when the tool is inserted into the tool insertion groove 18 having a square shape formed at the center of the upper end of the support stand body 12 and rotated in the opposite direction at the time of fastening, the spiral fastening portion 14 is rotated and the alveolar bone ( At the same time ascending to the upper portion of 100, the spiral guide portion (16) having a smaller diameter than the spiral fastening portion 14 is formed extending to the upper outer peripheral surface of the upper support post body 12 of the spiral fastening portion 14 At this time, the spiral guide portion 16 is rotated in the upper portion and ascends while penetrating the bone graft material 200, so that the spiral fastening portion 14 having a larger diameter than the spiral guide portion 16 is further lowered. It can be easily lifted so that the holding stand 10 can be easily removed.

On the other hand, as shown in FIG. 5 as a second embodiment of the fixing member according to the present invention, the fixing member 20 at equal intervals so as to face downward from the outside along its outer circumferential surface with the through hole 22 as the center. On both sides of each support piece 24 provided with an elastic force to wrap and fill the bone graft material 200 bent from the outside to form a horizontal support piece 26 that is longer in length from top to bottom at equal intervals It can also be manufactured and performed.

In addition, as shown in FIGS. 6 and 7 as the third and fourth embodiments of the fixing member according to the present invention, the length of the support piece 24 formed at the front and rear of the outer peripheral surface of the fixing member 20 is the fixing. Horizontal support that is formed shorter than the length of the support piece 24 formed on both sides of the outer peripheral surface of the member 20, the length of the support member 24 formed on both sides of the outer peripheral surface of the fixed member 20 longer from the top to the lower The piece 26 is formed at equal intervals, and the mesh member 28 made of titanium may be installed on the fixing member 20. The support piece 24 is removed by the surgical scissors as necessary. And the mesh net 28 is drilled into the mesh net 28 as necessary as a punched portion in a state where the fixing member 20 is seated on a separate surgical tool (not shown). Selectively penetrates 29, or as shown in FIG. The fixing member 20 may be manufactured and performed in the form of a mesh net 28 in which a plurality of through holes 29 are formed in advance.

Claims (8)

And a support stand 10 having a support stand body 12 that is implanted and fixed in the alveolar bone 100, The bone graft material 200 is wrapped around the holding table 10 to protect the bone graft material 200 implanted around the alveolar bone 100 and bent at equal intervals from the outside toward the lower side along the outer circumferential surface from the outside. Bone tissue formation maintaining device, characterized in that consisting of a fixing member 20 is formed with a plurality of support pieces 24 are provided with a wrapping elastic force. The helical fastening portion 14 of claim 1, wherein a plurality of threads and valleys are repeatedly formed on the lower outer circumferential surface of the support stand body 12 so as to have a diameter that decreases downward. 14) Maintaining bone formation, characterized in that a plurality of threads and bones are repeatedly formed on the upper outer circumferential surface of the upper support post body 12 so as to have a diameter smaller than the spiral fastening portion 14 so that the spiral guides 16 are formed. Device. The method of claim 1, wherein the fixing member 20 is bone tissue formation maintenance device, characterized in that fixed and released by the fixing cap (30) from the holding body (12) of the holding table (10). According to claim 1, On the upper outer circumferential surface of the support stand body 12 is a pedestal 17 is formed horizontally through which the through-hole 22 of the upper center of the fixing member 20 made of titanium is formed horizontally, Bone tissue formation holding device, characterized in that the fastening groove (19) formed in the center of the tool insert groove (18) is formed on the upper peripheral surface of the support stand body (12) of the upper base (17). According to claim 3 or 4, wherein the concave groove 32 is formed in the lower center of the fixing cap 30, the through hole of the upper center of the fixing member 20 in the center of the concave groove (32) A fixing piece 34 is inserted into the tool insertion groove 18 of the support body 12 by passing through the protrusion 22, and the inner peripheral surface of the recessed groove 32 is fastened to the upper peripheral surface of the support body 12. A fastening groove 36 is formed integrally with the groove 19 to be engaged with each other, and a tool for rotating the fixing cap 30 when the fixing cap 30 is fastened and released at the center of the upper end of the fixing cap 30. Bone tissue formation maintaining device, characterized in that the tool insertion groove 38 is formed is inserted. According to claim 1, wherein each support piece 24 formed on the fixing member 20, the bone support is characterized in that the horizontal support piece 26 is formed at equal intervals from the upper side to the lower length from the longer side is formed Retaining device. The apparatus of claim 1, wherein a mesh network (28) made of titanium is installed on the fixing member (20). According to claim 8, wherein the support member 24 formed on both sides of the outer peripheral surface of the fixing member 20, the bone support tissue formation, characterized in that the horizontal support piece 26 which is longer in length from the top to the bottom is formed at equal intervals Device.

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