阅读说明：本技术 一种穿颧骨种植体用复合基台 (Wear cheekbone and use compound base station for planting body ) 是由 邹多宏 高振华 杨驰 徐袁瑾 张茂林 张志愿 于 2020-04-29 设计创作，主要内容包括：本发明涉及口腔科医疗器械领域,具体涉及一种穿颧骨种植体用复合基台,所述复合基台包括对接部、修复部和穿龈部,所述穿龈部设于对接部与修复部之间,所述修复部设有修复体固位螺丝通道,所述复合基台还包括复合基台固位螺丝通道,所述复合基台固位螺丝通道贯穿对接部和穿龈部,所述修复体固位螺丝通道的中轴线与复合基台固位螺丝通道的中轴线之间的夹角为30°～45°。本发明的穿颧骨种植体用复合基台能够在新型穿颧骨种植术尤其是穿颧骨种植术中使用,能更好的补偿倾斜角度,达到种植修复的要求。(The invention relates to the field of medical instruments in stomatology, in particular to a composite abutment for a zygomatic bone penetrating implant, which comprises a butt joint part, a repairing part and a gum penetrating part, wherein the gum penetrating part is arranged between the butt joint part and the repairing part, the repairing part is provided with a repairing body fixing screw channel, the composite abutment also comprises a composite abutment fixing screw channel, the composite abutment fixing screw channel penetrates through the butt joint part and the gum penetrating part, and an included angle between the central axis of the repairing body fixing screw channel and the central axis of the composite abutment fixing screw channel is 30-45 degrees. The composite base station for the zygomatic bone implant can be used in novel zygomatic bone implant, particularly in zygomatic bone implant, and can better compensate the inclination angle and meet the requirements of implant repair.)

1. The composite abutment for the zygomatic bone implant is characterized by comprising a butt joint part (1), a repairing part (2) and a gum penetrating part (3), wherein the gum penetrating part (3) is arranged between the butt joint part (1) and the repairing part (2), the repairing part (2) is provided with a prosthesis retention screw channel (21), the composite abutment further comprises a composite abutment retention screw channel (4), the composite abutment retention screw channel (4) penetrates through the butt joint part (1) and the gum penetrating part (3), and an included angle between a central axis of the prosthesis retention screw channel (21) and a central axis of the composite abutment retention screw channel (4) is 30-45 degrees.

2. The composite abutment according to claim 1, wherein the abutment (1) comprises a joining section (11) and a platform section (12) connected, the platform section (12) connecting the transgingival part (3), and the joining section (11) has a hexagonal prism shape.

3. The composite abutment as claimed in claim 2, wherein the composite abutment screw channel (4) passes through the abutment section (12) and the joining section (11) in order from the gum penetrating portion (3), the composite abutment screw channel in the gum penetrating portion (3) and the joining section (11) has a hexagonal prism shape, and the interior of the abutment section (12) is threaded.

4. The composite abutment of claim 2, wherein the outer contour of the platform segment (12) is an inverted circular truncated cone.

5. The composite abutment as claimed in claim 1, wherein the restoration (2) has a gradually decreasing cross-sectional area from a proximal transgingival part (3) end to a distal transgingival part (3) end, and the composite abutment retention screw channel (4) partially penetrates the restoration (2).

6. The composite abutment as set forth in claim 1, wherein the inner wall of the fixture screw channel (21) is provided with a thread matching with the fixture screw.

7. The composite abutment as claimed in claim 1, wherein the composite abutment further comprises a guide bar (5), the guide bar (5) being detachably connected to the prosthetic part (2) via a prosthesis set screw channel (21).

8. The composite abutment as claimed in claim 7, wherein the guide rod (5) comprises a threaded section (51) and a hand-held section (52) connected in a smooth transition, the threaded section (51) being matched with the prosthesis retaining screw channel (21).

9. The composite abutment of claim 8, wherein the guide bar (5) further comprises one or both of the following features: 1) the surface of the thread section (51) is provided with threads; 2) the surface of the hand-held section (52) is provided with an anti-skid groove.

10. The composite abutment of claim 1, wherein the material of the composite abutment is a grade five titanium material.

Technical Field

The invention relates to the field of medical instruments in stomatology, in particular to a composite abutment for a zygomatic bone penetrating implant.

Background

The zygomatic bone grafting is a grafting repair method adopted in tooth implantation repair, wherein maxillary bone is seriously atrophied, a patient is reluctant to accept various bone grafting and bone augmentation operations such as bone distraction and the like, and the like. The zygomatic bone-through implantation is to implant a dental implant into a zygomatic bone, and implant 2-4 conventional dental implants into an anterior dental area by means of a compact bone block of the zygomatic bone so as to complete repair of an upper jaw dentition together; the length of the zygomatic bone implant is generally 30.0-52.5 mm. The implantation angle of the zygomatic bone implant is 30-45 ℃, and a multi-angle composite base station suitable for angles and connection modes is not available in the market at present.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a composite abutment for a zygomatic implant, which solves the problems of the prior art.

In order to achieve the above and other related objects, the present invention provides a composite abutment for a zygomatic bone-penetrating implant, the composite abutment comprises a butt joint part, a repairing part and a gingival-penetrating part, the gingival-penetrating part is arranged between the butt joint part and the repairing part, the repairing part is provided with a prosthesis retaining screw channel, the composite abutment further comprises a composite abutment retaining screw channel, the composite abutment retaining screw channel penetrates through the butt joint part and the gingival-penetrating part, and an included angle between a central axis of the prosthesis retaining screw channel and a central axis of the composite abutment retaining screw channel is 30-45 °.

The butt joint part comprises a joint section and a platform section which are connected, the platform section is connected with the gum penetrating part, and the shape of the joint section is hexagonal prism.

The composite abutment retention screw channel penetrates through the platform section and the combining section in sequence from the gum penetrating part, the gum penetrating part and the composite abutment retention screw channel in the combining section are hexagonal prisms, and threads are arranged inside the platform section.

The outer contour of the platform section is in an inverted round platform shape.

The restoration part gradually reduces in cross-sectional area from a near-gingival-penetrating end to a far-gingival-penetrating end, and the composite abutment retention screw channel part penetrates through the restoration part.

The inner wall of the prosthesis retention screw channel is provided with threads matched with the retention screw.

The composite abutment also comprises a guide rod, the guide rod comprises a smooth transition connecting thread section and a handheld section, and the guide rod and the repairing part are detachably connected through a repairing body fixing screw channel.

The surface of the thread section is provided with threads, and the thread section is matched with the prosthesis retaining screw channel.

The surface of the handheld section is provided with an anti-skid groove.

The composite base platform is made of a five-grade titanium material.

As described above, the composite abutment for the zygomatic bone penetrating implant of the present invention has the following beneficial effects: can be used in novel zygomatic bone grafting, in particular to the zygomatic bone grafting, can better compensate the inclination angle and meet the requirements of the implantation repair. The guide rod of the base station can also assist in determining the installation angle, so that the installation is more efficient, and the pain of a patient is reduced to a certain extent.

Drawings

FIG. 1 is a cross-sectional view of the composite abutment for a zygomatic implant of the present invention.

FIG. 2 is a view showing the external appearance of the composite abutment for a zygomatic implant of the present invention.

Fig. 3 shows a schematic view of the guide bar of the present invention.

FIG. 4 is a schematic external view showing the state of the composite abutment for a zygomatic implant of the present invention in use in cooperation with a guide bar.

Description of the element reference numerals

1 butt joint part

11 joining section

12 platform segment

2 repair part

21 prosthesis retention screw channel

3 crossing the gum

4 composite abutment retention screw channel

5 guide rod

51 threaded segment

52 hand-held segment

L transgingival height

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1 and 2, the present invention provides a composite abutment for a zygomatic bone penetrating implant, the composite abutment comprises a butt joint part 1, a repairing part 2 and a gingival penetrating part 3, the gingival penetrating part 3 is arranged between the butt joint part 1 and the repairing part 2, the repairing part 2 is provided with a prosthesis retention screw channel 21, the composite abutment further comprises a composite abutment retention screw channel 4, the composite abutment retention screw channel 4 penetrates through the butt joint part 1 and the gingival penetrating part 3, and an included angle between a central axis of the prosthesis retention screw channel 21 and a central axis of the composite abutment retention screw channel 4 is 30-45 °.

The butt joint part 1 is a butt joint part of a zygomatic bone implant.

In the preferred embodiment shown in fig. 1 and 2, the abutment portion 1 comprises a connecting section 11 and a platform section 12, the platform section 12 is connected with the transgingival part 3, and the connecting section 11 has a hexagonal prism shape to fit with the cavity of the implant.

Compound abutment maintenance screw passageway 4 runs through in proper order from wearing gum portion 3 platform section 12 and combining section 11, wear gum portion 3 and compound abutment maintenance screw passageway in combining section 11 is hexagonal prism shape, and the inside of platform section 12 is equipped with the screw thread.

The composite abutment retention screw channel in the combining section 11 is in a hexagonal prism shape and is just matched with a hexagonal prism well mouth at the end of the implant platform.

Preferably, the diameter of the hexagonal prism of the composite abutment retention screw channel inside the combining section 11 is 2.3-2.5 mm, preferably 2.52mm, and is just closely fit with the wellhead height of the implant.

The diameter of the inner hexagonal prism is the diameter of an circumscribed circle where the hexagonal prism is located.

The platform section 12 is matched with a planting docking platform at the inner edge of the opening of the planting body, and in one embodiment, the outer contour of the platform section 12 is in an inverted round platform shape.

The upper bottom surface of the circular truncated cone of the platform section 12 is connected with the combining section 11, the diameter of the upper bottom surface of the circular truncated cone is slightly larger than that of the combining section 11, the diameter of the lower bottom surface of the circular truncated cone is 3.65-3.85 mm, and specifically can be 3.75 mm. The upper bottom surface of the circular truncated cone is a bottom surface with a small bottom area, and the lower bottom surface of the circular truncated cone is a bottom surface with a large bottom area.

The restoration part 2 is a butt joint part with the restoration, namely a dental crown, and the restoration part 2 is arranged in the vertical direction after being arranged so as to be convenient for further arranging the restoration.

The cross-sectional area of the restoration part 2 is gradually reduced from a near gum penetrating end to a far gum penetrating end, and the composite abutment retention screw channel 4 partially penetrates through the restoration part 2, namely the restoration part 2 is approximately in a circular truncated cone shape, and an angle formed between a high line of the circular truncated cone and a bus is 16-20 degrees.

The composite abutment screw channel 4 is used for installing a screw for fixing the composite abutment, thereby fixing the composite abutment to the implant, the screw being matched with the thread of the stage 12.

The prosthesis retaining screw channel 21 is used for installing a retaining screw for fixing the prosthesis so as to fix the prosthesis on the composite abutment, and is used for being matched with the guide rod 5 so as to assist in determining the installation angle of the abutment when the composite abutment is installed.

The inner wall of the prosthesis retention screw channel 21 is provided with threads which are matched with the retention screw for fixing the prosthesis, and the angle between the prosthesis retention screw channel 21 and the composite abutment retention screw channel 4 is 30-45 degrees. This range of angles exactly matches the angles commonly used in zygomatic implants.

The gum penetrating part 3 is a part of the composite abutment penetrating through the gum, and the gum penetrating height L of the gum penetrating part 3 is 2 mm-4 mm.

As shown in figure 3, the composite abutment further comprises a guide rod 5, the guide rod 5 is used for assisting the installation of the composite abutment, in particular assisting the determination of the installation angle of the abutment, and the guide rod 5 is detachably connected with the restoration part 2 through a restoration retaining screw channel 21.

The guide rod 5 comprises a threaded section 51 and a hand-held section 52, and the threaded section 51 is smoothly connected with the hand-held section 52 in a transition mode.

In one embodiment, the threaded segment 51 is cylindrical.

The threaded segment 51 is provided with threads on its surface which match the threads of the prosthesis retention screw channel 21 to penetrate into the prosthesis retention screw channel 21 to dock the abutment bonding stage 11 into the cavity of the implant.

Further, the diameter of the thread is 1.0-1.5 mm, and specifically can be 1.2 mm.

In one embodiment, the hand-held section 52 is cylindrical. The diameter of the cylinder of the handheld section 52 is 2.5-3.5 mm, for example, 3 mm.

Further, the surface of the hand-held section 52 is provided with an anti-slip groove to prevent the hand-held guide bar from slipping off. In one embodiment, the anti-slip groove is a groove.

The composite base platform is made of a five-grade titanium material.

The outer package of the composite abutment is 3 layers of independent packages, and the innermost layer is a sterile resin tube package; the second layer of package is a sterile plastic package, and the outer package is a plastic package paper box.

Clinically, the method for installing the zygomatic bone penetrating implant composite abutment comprises the following steps: and selecting a composite base station at 30 ℃ or 45 ℃ according to the repair requirement. Confirm the compound base station of suitable gum height of wearing and compensation angle with the nurse of patrolling, demolish the base station extranal packing by the nurse of patrolling, take out and open aseptic plastic envelope packing carefully, the compound base station that will be equipped with aseptic inlayer packing is carefully poured on aseptic operating table, avoids being contaminated. As shown in figures 1 and 4, the operator holds the guide rod holding section 52, places the guide rod thread section 51 in the prosthesis retaining screw channel 21, butts the abutment bonding section 11 to the implant cavity in the desired direction of repair, contacts the platform section 12 with the abutment platform of the implant, places the retaining screw in the composite abutment retaining screw channel 4, and locks the retaining screw with a torque of 20-30Ncm by hand. The guide bar 5 is unscrewed counterclockwise, the position and stability of the retaining screw are checked, and the healing cap is installed. And finishing other treatment processes such as implantation, suture, implant repair and the like according to the zygomatic bone penetrating implantation process.

In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.