CN222467152U - A stable implant with double thread grooves - Google Patents
A stable implant with double thread grooves Download PDFInfo
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- CN222467152U CN222467152U CN202420804728.9U CN202420804728U CN222467152U CN 222467152 U CN222467152 U CN 222467152U CN 202420804728 U CN202420804728 U CN 202420804728U CN 222467152 U CN222467152 U CN 222467152U
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- implant body
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- 239000007943 implant Substances 0.000 title claims abstract description 123
- 230000007704 transition Effects 0.000 claims description 17
- 230000003247 decreasing effect Effects 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 abstract description 22
- 230000007774 longterm Effects 0.000 abstract description 9
- 230000002980 postoperative effect Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000002513 implantation Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 7
- 210000002449 bone cell Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010883 osseointegration Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000004053 dental implant Substances 0.000 description 3
- 230000035876 healing Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001055 chewing effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 208000008312 Tooth Loss Diseases 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
The utility model relates to a stable implant with double thread grooves, which comprises an implant structure, a thread structure and a thread structure, wherein the implant structure comprises an implant body, a cutting edge arranged at one end of the implant body and an implant hole arranged at the other end of the implant body, the thread structure comprises external threads arranged on the outer wall of the implant body, a first thread groove formed by surrounding adjacent external threads and the implant body, and a second thread groove arranged on the bottom surface of the first thread groove, and the spiral directions of the second thread groove and the first thread groove are the same. Through the arrangement, the implant and the alveolar bone form firm combination, so that long-term stability is realized, the postoperative recovery time can be shortened, and the long-term success rate of the implant can be improved.
Description
Technical Field
The utility model relates to the field of implants, in particular to a stable implant with double-thread grooves.
Background
Tooth loss is a common and frequently occurring disease in humans. As a revolutionary progress of the tooth deficiency restoration, the dental implant technology thoroughly changes the concept and the mode of the traditional oral restoration, and clinically achieves good treatment effect. Dental implants used for dental implants are often fitted into the jawbone in place of the extracted or dropped teeth in order to hold a dental prosthesis or crown that functions as a denture there after a healing period of 3 to 4 months.
In the prior art, because the contact area between the implant and the inner wall of the pressing groove bone is limited, the initial combination of the implant and the upper and lower jaw bone tissues is unstable, and the implant can be loosened and shed after long-term use, so that the implant fails.
Disclosure of utility model
Therefore, the technical problem to be solved by the utility model is to overcome the problem of low long-term stability caused by insufficient combination between the device body and the alveolar bone in the prior art, thereby providing the stable implant with the double-thread groove.
In order to solve the technical problems, the present utility model provides a stable implant with a double-thread groove, comprising:
The implant structure comprises an implant body, a cutting edge arranged at one end of the implant body and an implant hole arranged at the other end of the implant body;
The thread structure comprises an external thread arranged on the outer wall of the implant body, a first thread groove formed by surrounding adjacent external threads and the implant body, and a second thread groove arranged on the bottom surface of the first thread groove, wherein the spiral directions of the second thread groove and the first thread groove are the same, and a transition surface is arranged between the second thread groove and the external thread.
In one embodiment of the utility model, the implant body is further provided with attachment holes, which are arranged in a radial direction of the implant body.
In one embodiment of the present utility model, the attachment hole is formed in the second thread groove in the radial direction of the implant, and the size of the attachment hole is not greater than the width of the second thread groove.
In one embodiment of the present utility model, the spacing between adjacent ones of the attachment holes is the same, and the number of attachment holes gradually decreases from the crown fitting end to the cutting end.
In one embodiment of the present utility model, the second thread groove is formed between adjacent external threads, and the distance between the second thread groove and the external threads is not less than 0.12mm, the transition surface is a rounded transition surface, and the radius of the rounded corner is not less than 0.1mm.
In one embodiment of the present utility model, the second thread groove is semicircular, and a radius of the second thread groove is not less than 0.1mm.
In one embodiment of the present utility model, the first thread groove has different slopes of both side walls, and the slope of the first thread groove near one end wall of the cutting edge is larger than the other end.
In one embodiment of the utility model, the implant body is of a conical structure, and the taper of the implant body is 10-15 degrees.
In one embodiment of the present utility model, the external thread is any one of a trapezoidal thread or a triangular thread.
In one embodiment of the utility model, the curvature of the transition surface is consistent with the curvature of the second thread groove.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
According to the stable implant with the double-thread grooves, the first thread grooves are matched with the second thread grooves, so that a larger contact area is provided, the implant can be kept stable under physiological loads such as chewing force through the embedding effect of the double threads, the loosening or falling risk is effectively reduced, the osseointegration speed is improved through the double-thread groove structure, the implant can disperse stress more uniformly under stress through the design of the transition surface, the damage risk of the implant is reduced, bone cells can grow into the surface of the implant more quickly through the existence of the second thread grooves, after the implant is implanted, bone tissues start to grow into the thread grooves on the surface of the implant to form biological combination, the implant and an alveolar bone form firm combination along with gradual completion of osseointegration, and therefore long-term stability is achieved, the postoperative recovery time can be shortened, and the long-term success rate of the implant is improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of the structure of an implant body of the present utility model;
FIG. 2 is a cross-sectional view of an implant body of the present utility model;
Fig. 3 is an enlarged view of the utility model at a in fig. 2.
The reference numerals of the specification show that 1, an implant body, 2, external threads, 3, a first thread groove, 4, a cutting edge, 5, an attachment hole, 6, an implant hole, 7, a second thread groove and 8, and a transition surface.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Examples
Referring to fig. 1 to 3, a stability implant with a double thread groove according to the present utility model includes:
the implant structure comprises an implant body 1, a cutting edge 4 arranged at one end of the implant body 1 and an implant hole 6 arranged at the other end of the implant body 1;
The thread structure comprises an external thread 2 arranged on the outer wall of the implant body 1, a first thread groove 3 formed by surrounding adjacent external threads 2 and the implant body 1, and a second thread groove 7 arranged on the bottom surface of the first thread groove 3, wherein the spiral directions of the second thread groove 7 and the first thread groove 3 are the same, and a transition surface 8 is arranged between the second thread groove 7 and the external threads 2.
According to the stable implant with the double-thread grooves, the implant holes 6 are used for mounting dental crown dentures, and the cutting edge 4 of the implant body 1 enables the implantation process to be more efficient and minimally invasive. The cutting edge 4 can accurately and rapidly penetrate bone tissues, operation time and discomfort of patients are reduced, damage to surrounding tissues in an operation process is reduced, risks of postoperative complications are reduced, the combination capacity of the implant and the surrounding bone tissues is enhanced through the arranged double-thread grooves, the first thread grooves 3 and the second thread grooves 7 are matched, a larger contact area is provided, the stronger mechanical locking is achieved through the embedding effect of double threads, the implant can be kept stable when bearing physiological loads such as chewing force and the like, the risk of loosening or falling is effectively reduced, the osseointegration speed is improved through the double-thread groove structure, the transition surface 8 is designed, the implant can disperse stress more uniformly when being stressed, the risk of implant damage is reduced, bone cells can grow into the surface of the implant more rapidly due to the existence of the second thread grooves 7, and after the implant is implanted, the bone tissues start to grow into the thread grooves on the surface of the implant, and biological combination is formed. Over time, osseointegration is gradually completed, and firm combination is formed between the implant and the alveolar bone, so that long-term stability and functionality are realized, the biological combination process between the bone and the implant is accelerated, the postoperative recovery time can be shortened, and the long-term success rate of the implant is improved.
Referring to fig. 3, the implant body 1 is further provided with an attachment hole 5, the attachment hole 5 is disposed along the radial direction of the implant body 1, the attachment hole 5 enables the implant to be better combined with surrounding bone tissue after implantation, at the second thread groove 7, the attachment hole 5 provides additional growth space for bone cells, the presence of the attachment hole 5 also helps to improve the retention force of the implant, and when bone tissue grows into the attachment hole 5, the attachment hole 5 is more tightly combined with the implant, thereby increasing the resistance of the implant under stress, and during postoperative recovery, the bone cells gradually fill the attachment hole 5 and the thread groove to be biologically combined with the implant. The bond is strengthened with the passage of time, and finally the implant and the alveolar bone are fused into a whole, so that long-term stable retention is realized. In this process, the design of the double thread groove plays an important role, it enhances the bonding strength and stability of the implant and the alveolar bone by the spiral arrangement, and the attaching holes 5 are also spirally arranged at the second thread groove 7, so that the bonding force is uniformly distributed.
Referring to fig. 2 and 3, the attachment hole 5 is formed in the second thread groove 7 along the radial direction of the implant, and the size of the attachment hole 5 is not greater than the width of the second thread groove 7, and since the position of the attachment hole 5 corresponds to the second thread groove 7, bone cells can grow along the direction of the thread groove, so that the binding force between the implant and bone tissue is further enhanced, and the size of the attachment hole 5 is not greater than the width of the second thread groove 7, and the structural stability and the anti-torsion performance of the implant are ensured. The size of the attachment hole 5 is matched with that of the second thread groove 7, so that the stress of the implant can be uniformly distributed when the implant is stressed, and the deformation and damage risks of the implant are reduced.
Referring to fig. 1, the spacing between adjacent attachment holes 5 is the same, the number of the attachment holes 5 gradually decreases from the crown assembly end to the cutting end, at the crown assembly end, i.e. the upper part of the implant, more attachment holes 5 help to increase the contact area with bone, thereby enhancing the initial stability of the implant after implantation, the design of the attachment holes 5 gradually decreases helps to optimize the stress distribution, avoid too concentrated stress in a certain area, reduce the risk of implant damage caused by stress concentration, and the reasonably designed number of attachment holes can reduce the use and processing difficulty of materials while ensuring the performance, thereby reducing the cost, and can also adapt to different implantation conditions by adjusting the number and distribution of the attachment holes according to different clinical situations and patient demands.
Referring to fig. 3, the second thread groove 7 is formed between the adjacent external threads 2, and the distance between the second thread groove 7 and the external threads 2 is not less than 0.12mm, in this embodiment, 0.12mm, but also 0.15mm, the transition surface 8 is a rounded transition surface 8, the radius of the rounded corner is not less than 0.1mm, in this embodiment, 0.1mm, 0.12mm, 0.15mm, and the distance above 0.12mm ensures that there is enough space between the second thread groove 7 and the external threads 2 to accommodate bone cells and bone tissues, so that the stability and the compression resistance of the implant are increased, the probability of bacterial growth at sharp edges is reduced due to the design of the rounded transition surface 8, and the situation that the communication at the proliferation place is small, so that the supply is lack and necrosis is caused, the risk of infection is reduced, the design of the rounded transition surface 8 reduces friction and irritation of the implant and surrounding soft tissues, the comfort of the patient is improved, the discomfort of the implant is reduced, and the success rate of the implant is beneficial to healing after the implant is reduced.
With continued reference to fig. 3, the second thread groove 7 is semicircular, the radius of the second thread groove 7 is not smaller than 0.1mm, friction and irritation between the implant and surrounding soft tissues are reduced, comfort of a patient is improved, discomfort after operation is reduced, and the diameter of the second thread groove 7 is not larger than the distance between adjacent external threads 2.
The inclination of the two side wall bodies of the first thread groove 3 is different, and the inclination of the end wall body of the first thread groove 3 close to the cutting edge 4 is larger than that of the other end, so that the implant can penetrate bone tissue more easily, the implantation effect is improved, the design of the end wall body close to the cutting edge 4 with larger inclination is beneficial to the implant to cut into bone tissue more smoothly, the operation time and discomfort of a patient are reduced, the tensile resistance of the implant is improved, a doctor uses a special tool to implant the implant into the jawbone of the patient, the bone tissue can be penetrated more easily by the aid of the first thread groove with different inclination, the correct implantation position and stability of the implant are ensured, the implantation operation is more accurate and effective, and the implantation effect and success rate are improved.
Referring to fig. 1, the implant body 1 has a tapered structure, the taper of the implant body 1 is 10-15 degrees, in this embodiment 13 degrees, and in the alveolar bone with a hole, the implant body 1 having the tapered structure is designed to help to gradually expand the implantation channel during the implantation process and to abut against the inner wall of the alveolar bone.
Referring to fig. 1 and 2, the external thread 2 is any one of a trapezoidal thread or a triangular thread, the radian of the transition surface 8 is consistent with that of the second thread groove 7, so that the processing difficulty can be reduced, the use cost is reduced, the space for bacteria breeding can be reduced due to the design of the trapezoidal thread or the triangular thread, the risk of infection is reduced, and the healing and success rate of the implant are improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A stable implant with a double threaded recess, comprising:
The implant structure comprises an implant body, a cutting edge arranged at one end of the implant body and an implant hole arranged at the other end of the implant body;
The thread structure comprises an external thread arranged on the outer wall of the implant body, a first thread groove formed by surrounding adjacent external threads and the implant body, and a second thread groove arranged on the bottom surface of the first thread groove, wherein the spiral directions of the second thread groove and the first thread groove are the same, and a transition surface is arranged between the second thread groove and the external thread.
2. The implant of claim 1, wherein the implant body is further provided with attachment holes, the attachment holes being disposed along a radial direction of the implant body.
3. The implant with double-threaded grooves of claim 2, wherein the attachment hole is formed in the second thread groove along the radial direction of the implant, and the size of the attachment hole is not larger than the width of the second thread groove.
4. A stable implant with double thread groove according to claim 3, wherein the interval between adjacent attachment holes is the same, and the number of the attachment holes is gradually decreased from the crown fitting end to the cutting end.
5. The implant with double-thread grooves of claim 3, wherein the second thread grooves are formed between adjacent external threads, the distance between the second thread grooves and the external threads is not smaller than 0.12mm, the transition surface is a round corner transition surface, and the radius of the round corner is not smaller than 0.1mm.
6. The implant of claim 1, wherein the second thread groove is semi-circular, and the radius of the second thread groove is not less than 0.1mm.
7. The implant of claim 1, wherein the first thread groove has a different slope on both sidewalls and the first thread groove has a greater slope near one end wall of the cutting edge than the other end.
8. The implant with double-threaded grooves according to claim 1, wherein the implant body is of a conical structure, and the taper of the implant body is 10-15 degrees.
9. The implant of claim 1, wherein the external threads are any one of trapezoidal threads or triangular threads.
10. The implant of claim 1, wherein the transition surface has a curvature that is consistent with the curvature of the second thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420804728.9U CN222467152U (en) | 2024-04-18 | 2024-04-18 | A stable implant with double thread grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420804728.9U CN222467152U (en) | 2024-04-18 | 2024-04-18 | A stable implant with double thread grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222467152U true CN222467152U (en) | 2025-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420804728.9U Active CN222467152U (en) | 2024-04-18 | 2024-04-18 | A stable implant with double thread grooves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222467152U (en) |
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2024
- 2024-04-18 CN CN202420804728.9U patent/CN222467152U/en active Active
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