CN106618767B

CN106618767B - Implant body

Info

Publication number: CN106618767B
Application number: CN201611255900.6A
Authority: CN
Inventors: 蔡立新
Original assignee: Beijing AK Medical Co Ltd
Current assignee: Beijing AK Medical Co Ltd
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2023-03-24
Anticipated expiration: 2036-12-29
Also published as: CN106618767A

Abstract

The present invention provides an implant, comprising: the implant comprises an implant body, wherein the outer peripheral surface of the implant body is provided with a plurality of thread areas, and the thickness of the tooth form of at least one thread area in the thread areas is gradually increased. The implant is arranged in such a way that in the process of screwing the implant into the alveolar bone, the track of the tooth form screwed forward is extruded again by the tooth form screwed forward backward so as to achieve the track suitable for the tooth form screwed backward, and the problem that the track of the tooth form screwed forward affects the track of the tooth form screwed backward is effectively solved. The stability and reliability of the implant are improved.

Description

Implant body

Technical Field

The invention relates to the technical field of medical instruments, in particular to an implant.

Background

In the prior art, most of the mainstream planting systems absorb the advantages of the well-known planting systems on the market in appearance, structure, surface treatment mode and operation mode, and the planting systems are combined to form the planting bodies with the advantages of the respective systems through proper combination, and the systems provide different thread designs on the outer surfaces. Wherein, the one-section type screw thread and the two-end type screw thread are matched with different tapers commonly, and the utility model is suitable for patients with better bone density I and II. However, the bone density of some patients is poor, and the bone density of the patients reaches III and IV sclerotins, so that the implant in the prior art cannot meet the requirements of the patients with the bone density of III and IV sclerotins, and the implant implanted into the patients is unstable and easy to fall off.

Disclosure of Invention

The invention mainly aims to provide an implant to solve the problem that the implant in the prior art is easy to fall off.

In order to achieve the above object, according to one aspect of the present invention, there is provided an implant comprising: the planting body, the outer peripheral face of planting body is provided with a plurality of screw thread regions, and the thickness of the profile of at least one screw thread region in a plurality of screw thread regions increases gradually.

Further, the plurality of thread regions includes a seal thread region and a lead-in thread region, the profile includes a lead-in profile provided at the lead-in thread region, and a thickness of the lead-in profile gradually increases.

Further, the planting body includes installation section and leading-in section, and the sealed screw thread region sets up on the outer peripheral face of installation section, and leading-in screw thread region sets up on the outer peripheral face of leading-in section, and the thickness of leading-in profile gradually increases along the direction towards sealed screw thread region.

Furthermore, the height of the installation section is L1, wherein L1 is more than or equal to 4mm and less than or equal to 6mm.

Furthermore, the height of the leading-in section is L2, wherein L2 is more than or equal to 6mm and less than or equal to 12mm.

Further, the lead-in section includes: one end of the first lead-in section is connected with the mounting section; and one end of the second lead-in section is connected with the other end of the first lead-in section, the other end of the second lead-in section is a lead-in end, and a cutting edge is arranged on the second lead-in section.

Further, the area of the outer peripheral surface of the introduction tooth form on the first introduction section gradually increases in a direction toward the seal thread region.

Further, the cutting edge extends in the axial direction of the lead-in section.

Furthermore, the inner diameter of the lead-in thread area has a first taper along the connecting line of the axial direction of the planting body, the first taper is alpha 1, wherein, alpha 1 is more than or equal to 3 degrees and less than or equal to 5 degrees.

Further, the outer diameter of the sealing thread area has a second taper along a connecting line of the axial direction of the planting body, the second taper is alpha 2, wherein the alpha 2 is more than or equal to 8 degrees and less than or equal to 12 degrees.

Further, the seal thread region is a triple thread.

Furthermore, the distance between each thread of the three-thread is h1, wherein h1 is more than or equal to 0.3mm and less than or equal to 0.4mm.

Further, the leads of the thread regions are the same.

Furthermore, the lead of each thread area is h2, wherein h2 is more than or equal to 0.9mm and less than or equal to 1.2mm.

By applying the technical scheme of the invention, the implant is provided with a plurality of thread areas on the outer peripheral surface of the implant body, wherein the thickness of the tooth form of at least one thread area in the thread areas is gradually increased. The implant is arranged in such a way that in the process of screwing the implant into the alveolar bone, the track of the tooth form screwed forward is extruded again by the tooth form screwed forward backward so as to achieve the track suitable for the tooth form screwed backward, and the problem that the track of the tooth form screwed forward affects the track of the tooth form screwed backward is effectively solved. The stability and reliability of the implant are improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of an implant according to the present invention.

Wherein the figures include the following reference numerals:

10. planting a body; 11. an installation section; 12. a lead-in section; 121. a first lead-in section; 122. a second lead-in section; 1221. a cutting edge; 20. sealing the threaded region; 30. introducing a threaded region; 31. and (5) introducing the tooth form.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1, according to an embodiment of the present invention, an implant is provided.

Specifically, the implant includes an implant body 10. The outer circumferential surface of the implant body 10 is provided with a plurality of threaded regions, and the thickness of the profile of at least one of the threaded regions gradually increases.

In the present embodiment, the implant employs providing a plurality of threaded regions on the outer circumferential surface of the implant body, wherein the thickness of the profile of at least one of the plurality of threaded regions gradually increases. The implant is arranged in such a way that in the process of screwing the implant into the alveolar bone, the track of the tooth form screwed forward is extruded again by the tooth form screwed forward backward so as to achieve the track suitable for the tooth form screwed backward, and the problem that the track of the tooth form screwed forward affects the track of the tooth form screwed backward is effectively solved. The stability and reliability of the implant are improved.

Wherein the plurality of thread regions includes a sealing thread region 20 and a lead-in thread region 30, wherein the profile includes a lead-in profile 31 disposed in the lead-in thread region 30, and the thickness of the lead-in profile 31 gradually increases. The arrangement can effectively re-extrude the alveolar bone in the process of screwing by changing the guide-in tooth form 31, and the connection stability of the implant is improved.

As shown in fig. 1, the implant body 10 includes a mounting section 11 and an introduction section 12, a sealing thread region 20 is provided on an outer circumferential surface of the mounting section 11, an introduction thread region 30 is provided on an outer circumferential surface of the introduction section 12, and a thickness of the introduction tooth form 31 gradually increases in a direction toward the sealing thread region 20. This arrangement enables the insertion section 12 to continue to screw the installation section 11 into the alveolar bone after screwing into the alveolar bone, and the sealing thread region 20 has a fine thread so as to seal the alveolar bone during screwing.

Preferably, the height of the mounting section 11 is L1, wherein L1 is larger than or equal to 4mm and smaller than or equal to 6mm. The height of the introduction section 12 is L2, wherein L2 is more than or equal to 6mm and less than or equal to 12mm. The implant has better installation stability due to the arrangement.

Specifically, the introduction section 12 includes a first introduction section 121 and a second introduction section 122. One end of the first introduction section 121 is connected to the installation section 11, and one end of the second introduction section 122 is connected to the other end of the first introduction section 121. The other end of the second introduction section 122 is a introduction end, and the second introduction section 122 is provided with a cutting edge 1221. The cutting action of the cutting edge 1221 on the alveolar bone enables the implant to be screwed into the alveolar bone more easily.

To further save effort, the cutting edge 1221 is extended in the axial direction of the lead-in section 12.

Referring to fig. 1 again, the inner diameter of the lead-in threaded area 30 has a first taper along the connection line of the axial direction of the planting body 10, the first taper is α 1, wherein α 1 is greater than or equal to 3 ° and less than or equal to 5 °. This arrangement can further improve the stability and reliability of the implant.

Further, the outer diameter of the sealing thread area 20 has a second taper along the line connecting the axial direction of the planting body 10, the second taper is alpha 2, wherein alpha 2 is more than or equal to 8 degrees and less than or equal to 12 degrees. Therefore, the stability and the sealing effect of the implant can be effectively improved.

To further improve implant stability and sealing, the sealing thread region 20 is provided as a triple thread. The pitch of each thread of the three-thread is h1, wherein h1 is more than or equal to 0.3mm and less than or equal to 0.4mm.

To further achieve the purpose of labor saving, the leads of the respective thread regions are set to the same value. And the lead of each thread area is h2, wherein h2 is more than or equal to 0.9mm and less than or equal to 1.2mm. Effectively reducing the implant torque.

Specifically, the middle part and the lower part of the implant are coarse threads, the coarse threads enter the cylindrical shape of the middle part after being guided in through the lower belt cone and the cutting edge, the coarse threads are processed into a micro taper of 3 degrees to 5 degrees, the tooth top width of the coarse threads is gradually widened, and the purpose of extruding the alveolar bone is achieved. The upper part is designed to be taper, the sealing effect is good, the lead of the three-thread lead is the same as the thread pitch of the middle lower part, the thread pitches are kept synchronous, and the planting is labor-saving and smooth.

By adopting the implant in the embodiment, the implant is suitable for patients with III and IV sclerotin, the implant process is labor-saving, the stability of the implant at the initial stage is good, the healing period of the patient is short, the dental implant process is completed in the shortest time, and the chewing function of the patient can be recovered in a short time.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An implant, comprising:

the implant comprises an implant body (10), wherein the outer peripheral surface of the implant body (10) is provided with a plurality of thread areas, and the thickness of the tooth form of at least one thread area in the thread areas is gradually increased;

the thread areas comprise a sealing thread area (20) and a lead-in thread area (30), the tooth form comprises a lead-in tooth form (31) arranged in the lead-in thread area (30), and the thickness of the lead-in tooth form (31) is gradually increased;

the implant body (10) comprises an installation section (11) and an introduction section (12), the sealing thread area (20) is arranged on the outer peripheral surface of the installation section (11), the introduction thread area (30) is arranged on the outer peripheral surface of the introduction section (12), and the thickness of the introduction tooth form (31) is gradually increased along the direction towards the sealing thread area (20);

the sealing thread region (20) is a three-start thread;

the distance between each thread of the three-thread is h1, wherein h1 is more than or equal to 0.3mm and less than or equal to 0.4mm;

the inner diameter of the lead-in thread area (30) has a first taper along a connecting line of the axial direction of the planting body (10), the first taper is alpha 1, wherein alpha 1 is more than or equal to 3 degrees and less than or equal to 5 degrees;

the outer diameter of the sealing thread area (20) has a second taper along a line of the axial direction of the implant body (10), the second taper being α 2, wherein α 2=12 °.

2. Implant according to claim 1, characterised in that the height of the mounting section (11) is L1, whereby 4mm ≦ L1 ≦ 6mm.

3. Implant according to claim 1, characterised in that the height of the introduction section (12) is L2, whereby 6mm ≦ L2 ≦ 12mm.

4. Implant according to claim 1, characterized in that said introduction section (12) comprises:

a first lead-in section (121), wherein one end of the first lead-in section (121) is connected with the installation section (11);

the cutting tool comprises a second leading-in section (122), one end of the second leading-in section (122) is connected with the other end of the first leading-in section (121), the other end of the second leading-in section (122) is a leading-in end, and a cutting edge (1221) is arranged on the second leading-in section (122).

5. Implant according to claim 4, characterised in that the area of the outer circumference of the lead-in profile (31) on the first lead-in section (121) increases gradually in the direction towards the sealing thread area (20).

6. Implant according to claim 4, characterized in that the cutting edge (1221) extends in the axial direction of the lead-in section (12).

7. The implant of claim 1, wherein the lead of each of the threaded regions is the same.

8. The implant of claim 7, wherein each of the threaded zones has a lead of h2, wherein 0.9mm ≦ h2 ≦ 1.2mm.