KR100993666B1 - Fixation pin assembly using in manufacturing an implant-stent for accurate guided insertion - Google Patents
Fixation pin assembly using in manufacturing an implant-stent for accurate guided insertion Download PDFInfo
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- KR100993666B1 KR100993666B1 KR20080093588A KR20080093588A KR100993666B1 KR 100993666 B1 KR100993666 B1 KR 100993666B1 KR 20080093588 A KR20080093588 A KR 20080093588A KR 20080093588 A KR20080093588 A KR 20080093588A KR 100993666 B1 KR100993666 B1 KR 100993666B1
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- pin assembly
- bushing
- fixing pin
- stent
- implant
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/082—Positioning or guiding, e.g. of drills
- A61C1/084—Positioning or guiding, e.g. of drills of implanting tools
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/002—Means or methods for correctly replacing a dental model, e.g. dowel pins; Dowel pin positioning means or methods
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- Oral & Maxillofacial Surgery (AREA)
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- General Physics & Mathematics (AREA)
- Dental Prosthetics (AREA)
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Abstract
The present invention relates to a fixing pin assembly used in the manufacture of an implant stent for precision induction, the fixing pin assembly is anchor and screw pins, and plug head and the screw pin and freely assembled and separated by screwing And an induction bushing fixed between the plug heads.
Fixing pin assembly of the present invention having such a configuration, the gypsum model used in the manufacture of the implant stent as well as the implant is used for the production of the implant stent, which is an auxiliary device for precisely inducing the direction and depth of the drill drilling the alveolar bone The abutment and artificial crown can be used as a base for pre-simulation or adjustment before placing it directly on the subject.
Implants, Stents for Implants, Guide Bushings, Drills, Perforations, Locking Pin Assemblies
Description
The present invention relates to a fixing pin assembly used in the manufacture of the implant stent for precise induction placement, in particular the induction bushing to precisely induce the direction and depth of the drill for drilling the alveolar bone during the implant placement operation accurately positioned inside the implant stent Not only can it be used as an aid to guide, but also after the fabrication of the implant stent is completed, it can be used as a base for pre-simulating or adjusting the implant abutment and artificial crown before placing it directly on the subject. And a pin assembly as an aid for implant placement.
Implant is a prosthesis used to replace a badly damaged tooth. An artificial tooth root made of a special metal (usually titanium or titanium alloy) is implanted in the jaw bone and fixed by tangling with the bone. By using artificial teeth to form a general dental procedure that allows you to live a daily life with almost the same sense as your own teeth.
Compared to the treatment method using dentures and bridges, such implants have a long life and are very similar to natural teeth, without damaging the surrounding teeth except for the teeth that need to be treated. It is a procedure.
Such an implant is first incised to gingiva (gum) of the patient to be implanted to expose the alveolar bone. Next, the position of the implant to be inserted among the exposed alveolar bones is determined, and a predetermined position of the alveolar bone is drilled using a drilling tool such as a drill at the position to form a perforation in which the fixture, which is the foundation of the implant, is placed. .
After the implanted fixture is fully coupled to the alveolar bone, the abutment is connected to the fixture, the artificial tooth is coupled to the abutment, and the implant installation is completed by covering the gingival.
In the treatment of such an implant, the task that determines the successful placement of the implant can be said to be the drilling of the groove in which the fixture is to be implanted in the alveolar bone. In order to expect successful implantation, the implantation position, depth and direction must be determined in consideration of various factors such as the overall condition of the patient's teeth, the position of the teeth requiring implantation, and the condition of the patient's alveolar bone. If the alveolar bone perforation, which is a step, is not satisfactory, the implantation position, orientation, and depth of the originally planned implant cannot be satisfied.
Unfortunately, this drilling work for alveolar bone drilling is difficult for beginners as well as experienced users to accurately measure depth and direction in the process. Especially for beginners who are not experienced in the procedure, it is very difficult to measure the drilled depth without any special measuring step during the procedure.
In addition, when drilling a groove for placing a fixture into the alveolar bone, the operator may apply a force to the drill to drill the drilling operation to a certain depth because it is not easy to determine to what extent the drilling operation is currently performed. If you drill beyond the drill may damage the nerves distributed in the alveolar bone.
On the contrary, if the drilling operation is terminated before reaching the predetermined drilling depth, the drilled groove is shallow in depth, and excessive force is required to fix the fixture, which causes damage to the thread around the groove or the fixture to be fixed in the groove. The problem is that the fixture will not be completely fixed and you will have to retry later.
In order to solve this problem, in case of implantation of the gingival bone and exposing the alveolar bone and then drilling by using a direct drill on it, a stent to accurately determine the exact position and direction to perform the drilling operation An assistive device called
The manufacturing process and use method of the stent conventionally used are as follows.
First, before the implant procedure, the upper and / or lower jaw of the subject is obtained using a rubber impression material, and then plaster is poured on the same to form the upper and / or lower jaw of the subject. Make a plaster model.
This is then coupled to an artificial articulator to reproduce outside the oral cavity of the jaw joints and the upper and lower teeth, almost similar to those of the subject.
Subsequently, the tooth is lost and a virtual tooth model is made of a transparent material at the position where the implant is to be treated, which is used as a stent.
In this way, a predetermined mark is placed at the position where the drill is to be inserted among the completed stents, a mark indicating the direction to be drilled on the outside of the stent, and the operator drills using a drilling tool such as a drill with reference to the mark and the marking. Will do the work.
However, such a conventional stent is very unstable to secure the stability in the vertical or horizontal direction during the punching operation for the dental or edentulous operator in contact with the inner surface.
Accordingly, the present applicant, as shown in FIG. 1, has applied for the invention related to the stent in which the
The diameter of the inner circumferential surface of the
Therefore, the perforation direction (angle) and depth of the alveolar bone are determined according to the dental condition of the subject, for example, the size of the tooth requiring implant treatment, the thickness of the gingiva covered over the alveolar bone, and the condition of the alveolar bone. 23), the alveolar bone is drilled in the correct direction and depth by the drill.
As described above, according to the applicant's prior patent application, the accuracy of the angle and depth of the hole drilled in the alveolar bone for the implantation procedure is significantly improved compared to the conventional methods without being greatly affected by the skill of the operator. It has been found that there are additional considerations.
First, the
Second, in consideration of the entire procedure of the implant procedure, the assistive device is not only used for the preparation of the implant stent necessary for the alveolar bone perforation, but the implant made of the fixture, the abutment and the artificial crown is actually placed in the patient correctly. It is more desirable to extend its use so that it can also be used for preliminary adjustments. This is not only desirable in terms of reducing the procedure cost by greatly increasing the probability that the implant placement will be completed successfully in a single procedure, but also in the psychological burden of the subject who feels negative emotions such as fear and pain in the implant procedure. This is because it is also preferable in that it can greatly reduce.
Third, although not related to the auxiliary device itself, the matter to be improved in that the stent induction part 23 (hereinafter referred to as the terminology bushing) supported by the auxiliary device is a component connected to the auxiliary device. May be considered. The role of the guide bushing is, as described above, the diameter of the inner peripheral surface is formed in a size corresponding to the outer diameter of the guide portion provided in the drill, the stopper is integrally formed on the lower surface of the inner peripheral surface in contact with the lower surface of the guide portion of the drill By preventing further ingress, the drilling depth of the drill is limited.
However, the configuration of the stopper can only limit the longitudinal movement of the drill, and likewise, the tab is guided to the guide bushing to form a thread in the perforated hole or the thread is simultaneously screwed into the hole. It can only limit the longitudinal movement of the fixture. This is not a problem during drilling of the drill, but failure to properly limit it in the case of rotational movement for forming or screwing can cause a fatal problem in that the screw structure may be broken. . In other words, the integrity of the thread structure is not maintained because it means that the implant is not firmly anchored to the alveolar bone. Therefore, the guide bushing should be provided with the stopper to be able to properly limit the rotation of the tab or fixture.
Finally, the recess of the gingival of the implant to be implanted is often narrow in the front and rear direction, in which case the auxiliary device and the guide bushing may not be inserted to a sufficient depth due to interference with the gingival. Therefore, it is more preferable that the appearance of the auxiliary device and the guide bushing has a structure that can be sufficiently inserted even when the recessed portion of the gingiva is narrow.
Fixing pin assembly used in the production of the implant stent according to the present invention, the cylindrical body is an anchor formed with a first female screw portion in the inner central portion; and the body of the cylindrical body, the first male screw portion formed on one end of the body, A screw pin having a second male screw portion formed at the other end of the body and a plate-shaped stepped portion formed between the body and the second male screw portion, wherein the first male screw portion can be screwed to the first female screw portion of the anchor; And a body of a cylindrical body, a second female screw portion formed at a center portion of the lower end of the body, and a head portion formed to be stepped on an upper end of the body so as to be larger than an outer diameter of the body, wherein the second female screw portion is formed of the screw pin. It comprises a; a plug head that can be screwed to the male thread portion.
And the fixing pin assembly having the configuration as described above, the induction bushing is made of a body having an elliptic cylinder shape has a through hole having a circular cross-section along the longitudinal direction of the elliptic cylinder; The diameter of the through-hole formed in the induction bushing corresponds to the outer diameter of the plug head body, and the induction bushing is inserted into the second male threaded portion so that the bottom surface thereof is supported by the stepped portion of the screw pin. The induction bushing is fixed between the screw pin and the plug head by pressing the upper surface of the induction bushing by the head of the plug head screwed into the second male threaded portion while being inserted into the hole. Preferably, the planar shape of the stepped portion of the screw pin corresponds to the ellipsoidal shape of the induction bushing.
Grooves may be formed along the periphery of the anchor, and at least one flat surface may be formed on the outer circumferential surface of the anchor. At this time, it is more preferable that the outer diameter of the anchor and the outer diameter of the screw pin cylinder is the same.
The length of the body of the plug head may be the same as the height of the induction bushing, wherein the lower end of the body is formed with a stepped shaft diameter inwardly, the length of the shaft diameter portion from the bottom surface of the induction bushing It is longer than the length to the point where the stopper is formed.
In addition, the length of the body of the plug head may be formed differently from the height of the induction bushing, wherein the length of the body of the plug head is equal to the length from the upper surface of the induction bushing to the point where the stopper is formed. Keep it short.
And the center of the head of the plug head is preferably formed with a hexagonal column groove that can be fitted into the hexagon wrench.
The bottom surface of the through-hole of the induction bushing may be provided with a stopper having a stepped edge, and a flat portion is formed on a portion of at least one side of both sides of the long axis of the ellipsoidal surface of the body having an elliptic cylinder shape of the induction bushing. In addition, a coolant hole may be formed on at least one side of both sides of an ellipsoidal long axis direction of the body having an ellipsoidal cylinder shape of the induction bushing.
In particular, at least one auxiliary screw thread may be formed on the upper inner circumferential surface of the through hole formed in the induction bushing, and the pitch of the auxiliary screw thread may be formed on the surface of a mechanism guided by the through hole, for example, a tab or fixture fixture. It is equal to the pitch of the male thread formed.
The auxiliary screw acid is suitably formed three at equal intervals of 120 °, wherein the plurality of auxiliary screw acid is preferably formed by one rotation each.
A concave fixing part is formed on both sides of the ellipsoidal long axis of the upper surface of the body having an elliptic cylinder shape of the induction bushing, and a protrusion having a diameter equal to the through hole of the induction bushing is formed through and coupled to the fixing part. It may further include an extension bushing formed on the lower surface.
Fixing pin assembly used in the manufacture of the implant stent according to the present invention having the above configuration has the following effects.
First, the induction bushing fixed in the implant stent of the present applicant can be positioned at the correct point in the stent by the fixing pin assembly. This is because the fixing pin assembly of the present invention can locate the guide bushing at the correct point on the plaster model of the subject to be the base frame for manufacturing the stent.
Second, because the fixing pin assembly of the present invention is to be able to separate the screw pin in the state of leaving only the anchor in the gypsum model of the subject, the graft model in which the anchor is embedded, the implant consisting of fixture, abutment and artificial crown It can be used as a base to allow the user to adjust it in advance so that it is correctly placed. Therefore, since all processes from alveolar bone perforation to implant placement are done through one gypsum model, the possibility of implantation being successfully implanted into the subject is greatly improved, and also implantation is directly placed on the subject. Since the procedure can be preliminarily tested through the plaster model, the psychological and physical burden of the subject can be greatly reduced, and the overall time required for the procedure can be shortened.
Third, the guide bushing adopted in the present invention includes at least one auxiliary screw thread on the upper surface of the inner circumferential surface of the through hole, and the screw thread is formed in the tab or the hole guided by the guide bushing to form a thread in the hole drilled in the alveolar bone. It is possible to effectively limit the amount of rotation of the fixture to be combined while forming. Therefore, the induction bushing of the present invention has the effect of ensuring the integrity of the thread structure formed in the alveolar bone.
Finally, since the induction bushing of the present invention is composed of a body having an elliptic cylinder shape, the induction bushing of the implant stent can effectively prevent the phenomenon of rotating together with the high-speed rotation of the drill. The shaped body has an excellent effect in that the guide bushing can be sufficiently inserted even when the concave portion of the gingiva is narrow.
Hereinafter, with reference to the accompanying Figures 2 to 8, it describes an embodiment of the fixing
2 is a perspective view and a partial perspective view of the fixing
Figure 3 shows the disassembled state of each component constituting the fixing
4 is a view showing the
A
In addition, at least one
In addition, the
5 is a view illustrating the
As mentioned above, the first
FIG. 6 is a view illustrating the
When the
FIG. 7 is a detailed view of the
The
When the coupling is completed, the
The length of the
The
In addition, the
Incidentally, this elliptic cylinder shape has an advantage of making it easier to handle the
In addition, the
In addition, a
In addition, the planar shape of the stepped
Another characteristic of the
The pitch of the
The role of the
Preferably, three
In addition, as illustrated in FIG. 9,
In addition, although the
Briefly describing the process of manufacturing the implant stent (1) using the fixing
First, before the implant procedure, using the impression material of the rubber material to obtain the upper and / or lower jaw of the subject, the plaster is poured into the jaw to produce the same plaster model as the upper and / or lower jaw of the subject.
Then, it is coupled to an artificial articulator to reproduce the jaw joint and the upper and lower teeth which are almost similar to those of the subject, outside the oral cavity, and the holes are lost so that the fixing
In the hole drilled in the plaster model, the fixing
After the adhesive material is cured and the fixing
When the curing of the transparent material is completed, the fixing
Through this process, only the
When the
Although the technical features of the present invention have been described through the preferred embodiments, the present invention is not limited to the illustrated embodiments, and various modifications and changes can be made without departing from the spirit and scope of the present invention. It will be self-evident to those of ordinary knowledge. Accordingly, such modifications or variations will also belong to the claims of the present invention.
1 is a view of the implant stent of the prior patent application No. 2007-0107408 of the applicant.
Figure 2 is an assembly perspective view and a partial perspective view of the fixing pin assembly used in the preparation of the implant stent according to the present invention.
Figure 3 is an exploded perspective view of the fixing pin assembly used in the manufacture of the implant stent in accordance with the present invention.
4 shows the anchor of FIG. 3 in detail;
5 shows the screw pin of FIG. 3 in detail.
6 shows the plug head of FIG. 3 in detail;
7 is a view showing in detail the induction bushing of FIG.
8 is a view briefly showing a state in which the drill for drilling alveolar bone by the guide bushing of FIG.
9 is a view briefly showing the extension bushing coupled to the induction bushing of FIG.
DESCRIPTION OF REFERENCE NUMERALS
10: fixing pin assembly 100: anchor
102: first female thread portion 104: groove
106: flat surface 108: end
200: screw pin 202: body
204: first male thread portion 206: second male thread portion
208: step 300: plug head
302: body 304: second female thread portion
306: head 308: groove
310: shaft diameter 400: induction bushing
402: body 404: through hole
405: stopper 406: bottom
408: upper surface
410, 410 ': Side surface in the long axis of the ellipsoid of the induction bushing
412: plane portion 414: cooling water hole
416: auxiliary thread 500: drill
510: guide portion 600: extension bushing
610: hole 612: protrusion
Claims (16)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20080093588A KR100993666B1 (en) | 2008-09-24 | 2008-09-24 | Fixation pin assembly using in manufacturing an implant-stent for accurate guided insertion |
PCT/KR2009/005467 WO2010036045A2 (en) | 2008-09-24 | 2009-09-24 | Fixing pin assembly used in the manufacture of stents for precise, guided implant placement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20080093588A KR100993666B1 (en) | 2008-09-24 | 2008-09-24 | Fixation pin assembly using in manufacturing an implant-stent for accurate guided insertion |
Publications (2)
Publication Number | Publication Date |
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KR20100034447A KR20100034447A (en) | 2010-04-01 |
KR100993666B1 true KR100993666B1 (en) | 2010-11-10 |
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Application Number | Title | Priority Date | Filing Date |
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KR20080093588A KR100993666B1 (en) | 2008-09-24 | 2008-09-24 | Fixation pin assembly using in manufacturing an implant-stent for accurate guided insertion |
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KR (1) | KR100993666B1 (en) |
WO (1) | WO2010036045A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013005241A3 (en) * | 2011-07-01 | 2013-04-11 | Leone S.P.A. | Surgical guide system for dental implantology and method for making the same |
KR20180092480A (en) | 2017-02-09 | 2018-08-20 | 이태경 | Guide bushing assembly for precisely guided dental implant surgery |
KR20190018811A (en) | 2017-08-16 | 2019-02-26 | 이태경 | Dental guide template having surgical information tag |
KR20190029114A (en) | 2017-09-12 | 2019-03-20 | 이태경 | Drill set for precisely guided dental implant surgery |
KR20190031644A (en) | 2017-09-18 | 2019-03-27 | 이태경 | Base plate for installation of robot arm |
KR20190043682A (en) | 2017-10-19 | 2019-04-29 | 이태경 | Oral cavity model for fabricating a guide template of precise dental implant surgery |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101455067B1 (en) * | 2013-03-06 | 2014-11-03 | 이태경 | Processing member for implant surgical guiding hole |
KR101841747B1 (en) | 2017-12-22 | 2018-03-23 | 왕제원 | Check-direction pin and guide tab drill kit for implanting a fixture of implant |
BR102022006573A2 (en) * | 2022-04-05 | 2023-10-17 | M3 Health Indústria E Comércio De Produtos Médicos, Odontológicos E Correlatos S.A. | DENTAL SURGICAL GUIDE FIXATION DEVICE |
Citations (3)
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WO2002100290A1 (en) | 2001-06-11 | 2002-12-19 | Vincent Bennani | Method for producing an abutment system for a dental prosthesis, surgical guide used and resulting reinforcement |
US6869282B2 (en) | 2002-03-04 | 2005-03-22 | Robert P. Carmichael | Implant positioning device and method |
US20080124676A1 (en) | 2001-08-31 | 2008-05-29 | Leonard Marotta | Accurate analogs for prostheses using computer generated anatomical models |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100535444B1 (en) * | 2005-03-25 | 2005-12-12 | 김종필 | Assistant for implant stent |
-
2008
- 2008-09-24 KR KR20080093588A patent/KR100993666B1/en not_active IP Right Cessation
-
2009
- 2009-09-24 WO PCT/KR2009/005467 patent/WO2010036045A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002100290A1 (en) | 2001-06-11 | 2002-12-19 | Vincent Bennani | Method for producing an abutment system for a dental prosthesis, surgical guide used and resulting reinforcement |
US20080124676A1 (en) | 2001-08-31 | 2008-05-29 | Leonard Marotta | Accurate analogs for prostheses using computer generated anatomical models |
US6869282B2 (en) | 2002-03-04 | 2005-03-22 | Robert P. Carmichael | Implant positioning device and method |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013005241A3 (en) * | 2011-07-01 | 2013-04-11 | Leone S.P.A. | Surgical guide system for dental implantology and method for making the same |
KR20140061369A (en) * | 2011-07-01 | 2014-05-21 | 레오네 에스.피.에이. | Surgical guide system for dental implantology and method for making the same |
US9011148B2 (en) | 2011-07-01 | 2015-04-21 | Leone S.P.A. | Surgical guide system for dental implantology and method for making the same |
AU2012279863B2 (en) * | 2011-07-01 | 2016-08-11 | Leone S.P.A. | Surgical guide system for dental implantology and method for making the same |
KR101872058B1 (en) * | 2011-07-01 | 2018-06-27 | 레오네 에스.피.에이. | Surgical guide system for dental implantology and method for making the same |
KR20180092480A (en) | 2017-02-09 | 2018-08-20 | 이태경 | Guide bushing assembly for precisely guided dental implant surgery |
KR20190018811A (en) | 2017-08-16 | 2019-02-26 | 이태경 | Dental guide template having surgical information tag |
KR20190029114A (en) | 2017-09-12 | 2019-03-20 | 이태경 | Drill set for precisely guided dental implant surgery |
KR20190031644A (en) | 2017-09-18 | 2019-03-27 | 이태경 | Base plate for installation of robot arm |
KR20190043682A (en) | 2017-10-19 | 2019-04-29 | 이태경 | Oral cavity model for fabricating a guide template of precise dental implant surgery |
Also Published As
Publication number | Publication date |
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KR20100034447A (en) | 2010-04-01 |
WO2010036045A2 (en) | 2010-04-01 |
WO2010036045A3 (en) | 2010-06-24 |
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