WO2011132844A1 - Tige de vis, et outil de dépose de tige de vis - Google Patents

Tige de vis, et outil de dépose de tige de vis Download PDF

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Publication number
WO2011132844A1
WO2011132844A1 PCT/KR2010/009604 KR2010009604W WO2011132844A1 WO 2011132844 A1 WO2011132844 A1 WO 2011132844A1 KR 2010009604 W KR2010009604 W KR 2010009604W WO 2011132844 A1 WO2011132844 A1 WO 2011132844A1
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WO
WIPO (PCT)
Prior art keywords
screw
driver
post
coupling tool
remover
Prior art date
Application number
PCT/KR2010/009604
Other languages
English (en)
Korean (ko)
Inventor
박광범
류경호
손규석
손준익
Original Assignee
주식회사 메가젠임플란트
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 메가젠임플란트 filed Critical 주식회사 메가젠임플란트
Publication of WO2011132844A1 publication Critical patent/WO2011132844A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/006—Connecting devices for joining an upper structure with an implant member, e.g. spacers with polygonal positional means, e.g. hexagonal or octagonal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw

Definitions

  • the present invention relates to a post screw remover driver for removing the abutment and a post screw for removing the abutment, while preventing stress breakage by dispersing the stresses.
  • Implants are originally meant to be a substitute for recovery when tissue is lost, but in dentistry, implants are made of artificial teeth.
  • a tooth root made of titanium (titanium) which is not rejected by the human body, is planted in the alveolar bone where the tooth falls out, and the artificial tooth is fixed to restore the function of the tooth.
  • the surrounding teeth and bones are damaged over time, but the implants do not damage the surrounding dental tissues, and they have the advantage that they can be used semi-permanently because they have the same function or shape as natural teeth and do not cause tooth decay.
  • Implants also enhance the function of dentures and improve the aesthetic aspects of dental prosthetic restorations, as well as in single brace restorations, as well as in partial and complete teeth. Furthermore, it disperses excessive stress on surrounding supportive bone tissue and helps stabilize teeth.
  • the implant procedure is determined in the alveolar bone where the tooth is lost, and after fixing the implant to replace the root (root), abutment is applied to the fixture. After bonding, the artificial tooth is fixed to the abutment with adhesive.
  • the abutment coupled to the fixture may be broken. If the abutment fractures during the implant procedure, it is difficult to fix the artificial tooth, and after the implant procedure, If the abutment fractures after a period of time, the abutment will break away and the abutment needs to be replaced quickly.
  • the abutment is coupled to the fixture by a post screw.
  • a part of the post screw is fastened to the inside of the fixture and the other part is fastened to the abutment so that the post screw is not apparent in appearance.
  • a remove driver is required to remove the post screw.
  • a screw fastening method for fastening the remover driver and the post screw first of all adopts a screw fastening method for fastening the remover driver and the post screw.
  • a male thread is formed on one side of the remover driver, and the remover driver is combined.
  • a female thread corresponding to one side of the post screw is formed on the inner wall surface of the fastening groove, and is coupled to each other by screwing them.
  • An object of the present invention is to use a remover screwdriver to remove the post screw to fasten the abutment and the fixture to separate the abutment from the fixture, the interference fit between the post screw and the remover driver is possible, the remover driver
  • the present invention provides a post screw remover driver for removing the abutment and a post screw to remove the abutment while preventing the breaker driver from being damaged by dispersing the stress transmitted to the remover.
  • the post screw and the remover driver it is possible to fit the post screw and the remover driver to be in close contact with the remover driver when removing the post screw which fastens the abutment and the fixture together to remove the abutment from the fixture.
  • the stress can be reduced, thereby preventing the breaker driver from being broken, and the abutment can be quickly separated.
  • FIG. 1 is a perspective view of a remover driver for a post screw according to an embodiment of the present invention.
  • FIG. 2 is a front view of the remover driver for the post screw according to FIG. 1.
  • FIG. 2 is a front view of the remover driver for the post screw according to FIG. 1.
  • FIG 3 is a perspective view of a post screw according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of the post screw according to FIG. 3.
  • 5 and 6 is a detailed view of the coupling of the post screw and the post screw remover according to an embodiment of the present invention.
  • the object of the invention is, according to the invention, a driver body; And a coupling tool provided at one side of the driver body and partially engaged with an engagement groove formed in the screw head portion of the post screw to release the post screw from the fixture, wherein a portion of the coupling tool is provided.
  • the area of the cross section intersecting the longitudinal direction of the coupling tool is distributed by the remover driver for post screw, characterized in that it is formed gradually increasing toward the driver body.
  • the coupling tool, the wrench portion is formed along the longitudinal direction of the coupling tool at the front end, the cross section intersecting the longitudinal direction is formed in the shape of a polygonal wrench; And a tapered portion connected to the wrench portion and having a taper formed to gradually increase an area of a cross section crossing the longitudinal direction toward the driver body.
  • the coupling tool may further include a threaded portion spaced apart from the tapered portion and having a thread formed along a length direction of the coupling tool.
  • the tapered portion may be formed between an angle of 3 ° to 7 ° inclination angle of one side of the longitudinal section of the tapered portion.
  • the inclination angle of the tapered portion may be 5 °.
  • the wrench portion may have a hexagonal cross section.
  • It may further include a handle provided on the other side of the driver body opposite to the coupling tool to rotate the driver body and the coupling tool.
  • the handle may further include a coupling protrusion protruding from one side opposite to the driver body to be coupled to a separate tool.
  • the object is, according to the present invention, a screw body; And a screw head provided on one side of the screw body and having an engaging groove formed to partially engage with a coupling tool of a remover driver, wherein the screw head is disposed on an inner circumferential surface of the engaging groove toward the screw body at a front end surface thereof.
  • a screw taper portion having a taper formed therein so as to gradually reduce an area of a cross section crossing the longitudinal direction of the engagement groove; And a wrench groove portion connected to the screw taper portion and engaged with the wrench portion of the remover driver coupling tool.
  • the inclination angle of the screw taper may be formed between an inclination angle of one side of the cross section in the longitudinal direction of the screw taper between 3 ° and 7 °.
  • the angle of inclination of the screw taper may be 5 °.
  • the wrench groove portion may have a polygonal cross section that crosses the wrench groove portion in a longitudinal direction.
  • the cross section may be hexagonal.
  • a screw thread may be formed along the longitudinal direction of the screw body on the outer circumferential surface of one side of the screw body opposite to the screw head.
  • FIG. 1 is a perspective view of a remover driver for a post screw according to an embodiment of the present invention
  • Figure 2 is a front view of the remover driver for a post screw according to Figure 1
  • Figure 3 is a post screw according to an embodiment of the present invention 4 is a cross-sectional view of a post screw according to FIG. 3
  • FIGS. 5 and 6 are detailed views of a post screw and a post screw remover according to an embodiment of the present invention.
  • the remover driver 100 for a post screw is provided on the driver body 110 and on one side of the driver body 110 and is a fixture.
  • Coupling tool 130 and the coupling tool 130 is partially engaged with the engaging groove 231 formed in the screw head 230 of the post screw 200 to release the post screw 200 from the (F); It is provided on the other side of the driver body 110 that is opposite to the driver body 110 and a handle 150 for rotating the coupling tool 130.
  • the driver body 110 is formed in a relatively long cylindrical shape than the coupling tool 130.
  • the driver body 110 is provided in a cylindrical shape, but the shape of the driver body 110 is not limited thereto, but may be formed in various forms, considering that the remover driver 100 is used in a human mouth. Cylindrical without corners is preferred.
  • the coupling tool 130 and the handle 150 are provided on both sides of the cylindrical driver body 110.
  • the coupling tool 130 provided adjacent to one side of the driver body 110 is also formed in a cylindrical shape similar to the driver body 110.
  • the size of the cross section crossing in the longitudinal direction of the coupling tool 130 is the length of the driver body 110. It is formed smaller than the size of the cross section that crosses the direction, the length of the coupling tool 130 is formed relatively short to the length of the driver body (110).
  • the coupling tool 130 is a wrench portion 131 formed from the tip of the coupling tool 130 opposite to the driver body 110, the tapered portion 133 and the screw portion 135 ).
  • the wrench portion 131 and the taper portion 133 of the coupling tool 130 may be a wrench groove portion 231b and a screw taper portion of the engaging groove 231 formed in the screw head 230 of the post screw 200 to be described later. 231a).
  • the coupling tool 130 and the post screw 200 may be coupled by screwing.
  • the thread is formed on the coupling tool 130 and the post screw 200 is also fastened to the fixture F.
  • the thread may be formed, but in the case of such screw fastening, confusion may occur in the fastening direction of the coupling tool 130 and the fastening direction of the post screw 200.
  • the wrench portion 131 and the tapered portion 133 are formed to be engaged with the post screw 200 so that the interference fit between the 130 and the post screw 200 is possible.
  • the wrench part 131 is formed by a predetermined length along the longitudinal direction of the coupling tool 130 from the distal end of the coupling tool 130 opposite to the driver body 110 and crosses the longitudinal direction of the coupling tool 130.
  • the cross section is formed in the shape of a wrench having a polygon.
  • Wrench portion 131 in the present embodiment has a hexagonal cross section, but the shape of the cross section is not limited to this may be provided in the form of various polygons, such as square or octagon, depending on the operator or procedure characteristics.
  • the tapered portion 133 is connected to the wrench portion 131 and has a tapered shape in which the area of the cross section that crosses the longitudinal direction of the coupling tool 130 toward the driver body 110 gradually increases.
  • the inclination angle ⁇ ′ of one side is formed between an angle of 3 ° to 7 °.
  • the taper portion 133 enables an interference fit where the post screw 200 and the remover driver 100 are in close contact with each other when the post screw 200 is removed by using the remover driver 100, and the remover driver 100 is attached to the remover driver 100. By distributing the stress to be transmitted can reduce the stress is provided to prevent breakage of the remover driver (100).
  • the inclination angle ⁇ 'of the tapered portion 133 is greater than the aforementioned angle 7 °, the thickness of the top of the screw head 230 of the post screw 200 becomes thin, so that the screw head 230 is raised or the taper is tapered. If the inclination angle ⁇ 'of the tapered portion 133 is smaller than the above-described angle 3 °, there is a problem in that the machining becomes difficult, so the inclination angle ⁇ ' is increased. In this embodiment, the inclination angle ⁇ 'of the tapered portion 133 is 5 °, and the sum of the inclination angles ⁇ ' of both sides is 10 °. To form.
  • a screw 135 having a thread formed in the longitudinal direction of the coupling tool 130 is provided to be spaced apart from the tapered portion 133.
  • Screw portion 135 is a fastening portion formed in the abutment (A) the screw portion 135 formed in the remover driver 100 as shown in detail in Figure 6 when the operator is difficult to separate the abutment (A) by hand directly
  • the abutment A can be separated from the fixture F by engaging with A1.
  • the other side of the driver body 110 that is, one side of the driver body 110 opposite to the side on which the coupling tool 130 is provided is provided with a handle 150 that allows the operator to rotate the remover driver 100.
  • the handle 150 has a cross section that is relatively larger than the cross section of the driver body 110 and its length is formed in a cylindrical shape that is relatively shorter than the driver body 110.
  • the handle 150 has a non-slip protrusion 153 to prevent the handle 150 from slipping in the operator's hand when the operator grasps the handle 150 and rotates the remover driver 100 of the handle 150
  • a plurality of the outer peripheral surface is formed along the radial direction of the handle 150.
  • one side of the handle 150 which is opposite to the driver body 110, is further formed with a coupling protrusion 151 protruding from the surface, the coupling protrusion 151 to rotate the remover driver 100
  • a separate tool for example a separate tool such as a wrench is combined.
  • the shape of the cross section intersecting the longitudinal direction of the coupling protrusion 151 is formed in a square, the shape of the cross section of the coupling protrusion 151 is similar to the wrench portion 131 of the coupling tool 130 described above.
  • the shape of the cross section is not limited to the rectangle but may be provided in the form of various polygons.
  • FIG 3 and 4 illustrate a post screw 200 that can engage the coupling tool 130 of the remover driver 10 to selectively release it from the fixture F.
  • the post screw 200 is fixed. It is disposed between the chew (F) and the abutment (A) to serve to fasten the fixture (F) and the abutment (A).
  • the post screw 200 is provided at one side of the screw body 210 and the screw body 210, and at least a portion of the remover driver 100 is engaged. It includes a screw head 230 is formed that the engaging groove 231 can be.
  • the screw body 210 in the present embodiment is formed in the same cylindrical shape as the driver body 110 of the remover driver 100 of the screw body 210
  • the shape is not limited to the cylindrical shape in the present embodiment and may be formed in various shapes.
  • the screw body 210 is a post screw 200 is disposed between the fixture (F) and the abutment (A) to fasten the fixture (F) and the abutment (A) when the post screw 200 is a fixture (
  • a thread 211 that can be fastened to a thread formed in the inside of F) is formed along the longitudinal direction of the screw body 210 on one side of the outer circumferential surface of the screw body 210.
  • the screw head 230 having an engaging groove 231 to which at least a portion of the remover driver 100 is engaged may be engaged on the side opposite to the one side on which the screw 211 is formed in the screw body 210. Prepared.
  • the screw head 230 is formed in a cylindrical shape similar to the screw body 210, and the size of the cross section crossing in the longitudinal direction of the screw head 230 is relatively larger than the size of the cross section crossing in the longitudinal direction of the screw body 210. It is formed in a cylindrical shape, the length of the screw head 230 is formed relatively shorter than the length of the screw body 210.
  • An engagement groove 231 is formed on one side of the screw head 230, that is, the upper end of the screw head 230, as described above, and the engagement groove 231 is a screw body 210 along a central axis of the screw head 230. Toward a predetermined depth.
  • the engaging groove 231 has a screw taper portion 231a which may be engaged with the wrench groove portion 231b and the tapered portion 133 that are engaged with the wrench portion 131 of the remover driver coupling tool 130. Prepared.
  • a wrench groove portion 231b connected to the screw taper portion 231b and having a polygonal cross section of the engagement groove 231 is formed.
  • the screw taper portion 231a is a portion that is engaged with the taper portion 133 of the coupling tool 130 when the coupling tool 130 of the remover driver 100 is engaged with the engagement groove 231. 231a and the taper portion 133 are engaged with each other, thereby allowing an interference fit in which the post screw 200 and the remover driver 100 are in close contact with each other, and distributing the stress transmitted to the remover driver 100 to stress the stress. Can be reduced.
  • the inclination angle ⁇ ′′ of the screw taper portion 231a is formed to be the same as the inclination angle ⁇ ′ of the taper portion 133 of the remover driver 100.
  • the inclination angle ⁇ ′′ of the screw taper portion 231a Is determined from the longitudinal cross section of the screw taper 231a so that one side tilt angle ⁇ ′′ is formed between 3 ° and 7 ° angle. In this embodiment, the one side tilt angle ⁇ ′′ is particularly preferable. ) Is set to 5 ° so that the sum of the inclination angles ⁇ " on both sides is 10 °.
  • the engagement tool 130 and the engagement groove 231 are formed.
  • the taper portion 133 is forcibly fitted to the screw taper portion 231a when the coupling is engaged, thereby increasing the coupling force between the remover driver 100 and the post screw 200.
  • the wrench groove portion 231b connected to the screw taper portion 231a has a polygonal cross section that crosses the longitudinal direction of the engagement groove 231 similarly to the wrench portion 131 of the remover driver coupling tool 130.
  • the cross section of the wrench groove 231b is formed to correspond to the shape of the cross section of the wrench 131.
  • the wrench portion 131 of the remover driver 100 has a hexagonal cross section
  • the wrench groove portion 231b of the post screw 200 is also formed in a hexagonal cross section.
  • a fixture F installed to replace the root may be combined with the abutment A capable of fixing the artificial tooth.
  • it is provided to fasten the fixture (F) with the abutment (A) as a post screw 200, the post screw 200 is disposed between the fixture (F) and the abutment (A) to fix the fixture (F) ) And abutment (A).
  • one side of the fixture (F) is formed with an insertion groove (F1) so that a portion of the abutment (A) can be inserted into the fixture (F),
  • the insertion groove (F1) is one side line of the fixture (F) Is formed along the longitudinal direction of the fixture (F) from the cross-section, the area of the cross section that crosses the longitudinal direction of the fixture (F) is formed while gradually decreasing,
  • the insertion groove (F1) in the interior of the fixture (F) Is connected to the screw fastening portion (F2) is further formed that the thread 211 of the post screw 200 can be fastened.
  • the wrench portion 131 of the coupling tool 130 is engaged with the wrench groove portion 231a of the engagement groove 231, and the tapered portion 133 formed by being connected to the wrench portion 131 is connected to the wrench groove portion 231a. It is engaged with the screw taper portion 231b formed by being connected.
  • the inclination angle ⁇ ′′ of the screw taper 231b is formed at 10 °
  • the inclination angle ⁇ ′ of the tapered part 133 is also formed at 10 ° so that the inclination angle ⁇ of the tapered part 133 is formed.
  • ') Is formed to be equal to the inclination angle ⁇ " of the screw taper portion 231b, so that the taper portion 133 is engaged with the screw taper portion 231b by an interference fit, thereby providing a greater coupling force than a general engagement coupling force.
  • the operator may handle the handle 150 provided in the remover driver 100.
  • the remover driver 100 is rotated to release the thread 211 of the post screw 200 fastened to the screw fastening portion F2 of the fixture F.
  • the post screw 200 may be removed using the coupling force of the remover driver 100 and the post screw 200, and the abutment A may be separated from the fixture F.
  • FIG. 1
  • the wrench part 131 formed on the coupling tool 130 of the remover driver 100 is subjected to stress, and the taper part 133 connected to the wrench part 131 is transmitted to the remover driver 100.
  • the stress By dispersing the stress, an effect of reducing the stress received by the wrench unit 131 may be obtained.
  • the remover driver 100 may directly rotate the operator using the handle 150, but if the operator is difficult to directly rotate the remover driver 100, the remover driver 100 may be additionally provided to the coupling protrusion 151 provided in the remover driver 100.
  • the remover driver 100 may be rotated by connecting a tool.
  • the remover 100 is removed from the fixture F to replace the broken abutment A.
  • the formed taper portion 133 and the screw taper portion 231a of the post screw 200 enable an interference fit in which the remover driver 100 and the post screw 200 are in close contact with each other, and are transferred to the remover driver 100. Since the stress is dispersed, it is possible to reduce the stress of the remover driver 100, in particular, the wrench 131, thereby preventing breakage of the remover driver 100, thereby increasing the service life and further replacing the abutment A. You can get the effect quickly.
  • the present invention can be used in dental implant procedures.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Dental Prosthetics (AREA)

Abstract

La présente invention se rapporte à une tige de vis et à un outil de dépose de tiges de vis. La tige de vis selon l'invention et l'outil de dépose de tiges de vis comprend : le corps de l'outil ; et un outil d'accouplement positionné sur un côté du corps de l'outil, et partiellement engagé et accouplé à une rainure d'engrènement formée sur une partie de tête de vis de la tige de vis pour retirer la tige de vis d'un dispositif de serrage, une partie de l'outil d'accouplement étant formée de façon à ce que la zone de la section traversant dans le sens de la longueur l'outil d'accouplement augmente progressivement vers le corps de l'outil pour disperser les contraintes. Selon la présente invention, lorsque la tige de vis pour la fixation d'une butée et le dispositif de serrage sont retirés à l'aide de l'outil de dépose pour séparer la butée du dispositif de serrage, il est possible d'exécuter un ajustage serré de la tige de vis et de l'outil de dépose, et de réduire les contraintes en dispersant ces dernières qui sont transmises par l'outil de dépose. Ainsi, la butée peut être rapidement séparée tout en évitant tout endommagement de l'outil de dépose.
PCT/KR2010/009604 2010-04-22 2010-12-30 Tige de vis, et outil de dépose de tige de vis WO2011132844A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0037569 2010-04-22
KR1020100037569A KR101134343B1 (ko) 2010-04-22 2010-04-22 포스트 스크루 및 그를 제거하기 위한 포스트 스크루용 리무버 드라이버

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WO2011132844A1 true WO2011132844A1 (fr) 2011-10-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014204076A1 (fr) * 2013-06-19 2014-12-24 고려대학교 산학협력단 Dispositif d'insertion de capuchon de vis pédiculaire
KR101718464B1 (ko) * 2016-02-23 2017-03-21 (주)이비아이 임플란트용 어버트먼트 제거 장치
CN114126520A (zh) * 2019-07-09 2022-03-01 忠南大学医院 用于移除外科手术多边形锁定螺钉的设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100613756B1 (ko) * 2005-05-23 2006-08-22 장경삼 임플란트의 힐링캡 분리장치
KR100758360B1 (ko) * 2006-11-06 2007-09-14 오스템임플란트 주식회사 마운트 장치
KR100788240B1 (ko) * 2006-12-04 2007-12-27 장경삼 왼나사로 된 치과용 임플란트 추출유니트
KR100840352B1 (ko) * 2007-04-23 2008-06-20 (주) 코웰메디 매식체 식립을 위한 마운팅장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100613756B1 (ko) * 2005-05-23 2006-08-22 장경삼 임플란트의 힐링캡 분리장치
KR100758360B1 (ko) * 2006-11-06 2007-09-14 오스템임플란트 주식회사 마운트 장치
KR100788240B1 (ko) * 2006-12-04 2007-12-27 장경삼 왼나사로 된 치과용 임플란트 추출유니트
KR100840352B1 (ko) * 2007-04-23 2008-06-20 (주) 코웰메디 매식체 식립을 위한 마운팅장치

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014204076A1 (fr) * 2013-06-19 2014-12-24 고려대학교 산학협력단 Dispositif d'insertion de capuchon de vis pédiculaire
KR101718464B1 (ko) * 2016-02-23 2017-03-21 (주)이비아이 임플란트용 어버트먼트 제거 장치
WO2017146335A1 (fr) * 2016-02-23 2017-08-31 (주)이비아이 Dispositif de retrait de pilier d'implant
CN114126520A (zh) * 2019-07-09 2022-03-01 忠南大学医院 用于移除外科手术多边形锁定螺钉的设备

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Publication number Publication date
KR20110118021A (ko) 2011-10-28
KR101134343B1 (ko) 2012-04-09

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