WO2018151380A1 - Vis d'implant ayant une valeur de couple prédéterminée - Google Patents

Vis d'implant ayant une valeur de couple prédéterminée Download PDF

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Publication number
WO2018151380A1
WO2018151380A1 PCT/KR2017/006925 KR2017006925W WO2018151380A1 WO 2018151380 A1 WO2018151380 A1 WO 2018151380A1 KR 2017006925 W KR2017006925 W KR 2017006925W WO 2018151380 A1 WO2018151380 A1 WO 2018151380A1
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WO
WIPO (PCT)
Prior art keywords
torque value
groove
head
implant screw
implant
Prior art date
Application number
PCT/KR2017/006925
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English (en)
Korean (ko)
Inventor
박고춘
Original Assignee
박고춘
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 박고춘 filed Critical 박고춘
Publication of WO2018151380A1 publication Critical patent/WO2018151380A1/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
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • 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
    • 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
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0028—Pins, needles; Head structures therefor

Definitions

  • the present invention relates to implant screws for medical use, and more particularly to implant screws in which a portion of the head is broken upon reaching a constant torque value.
  • implant refers to a dental procedure that restores the original function of the teeth by allowing artificial teeth to be provided by bone adhesion to the alveolar bone when natural teeth are lost due to carelessness or neglect of care.
  • the implant used in the artificial tooth treatment is largely composed of a fixture corresponding to the artificial tooth root, an abutment corresponding to the abutment, and an artificial tooth.
  • Fixture is a fixture that is planted in the alveolar bone of the missing tooth like the root of natural tooth to support the artificial tooth.
  • the abutment is also called abutment tooth and is planted in the gum to connect the artificial tooth with the fixture planted in the alveolar bone.
  • the fixture and abutment are fastened and fixed by a screw
  • the screw is composed of a head and the body, the upper surface of the head is formed with a hexagonal wrench wrench groove into which the tool is inserted.
  • the body also extends from the bottom of the head and has threads formed on its outer surface.
  • the screw is inserted into the insertion hole formed in the abutment to engage the head of the screw to the engaging hole in the lower portion of the insertion hole, and then insert the jig into the hexagonal wrench wrench groove in the upper surface of the head formed on the top of the fixture Tighten to the screw groove.
  • the tool has a predetermined torque value to rotate the screw so that the fixture and the abutment are coupled.
  • the accuracy of the torque value decreases due to the lack of elasticity of the spring.
  • a failure occurs frequently due to, blood, chemicals, etc., and when the screw is rotated with an excessive torque value, there is a problem that the wrench groove formed in the screw is broken or the head of the screw is broken.
  • the prior art document in the present invention is the Republic of Korea Utility Model Registration No. 20-0449358 'abutment screw'.
  • An object of the present invention is to provide an implant screw having a constant torque value that can be performed conveniently and quickly to perform the implant procedure by breaking a part of the head when reaching a constant torque value by the fastening mechanism as a solution to the above problems. There is this.
  • Implant screw having a constant torque value of the present invention for achieving the above object has a predetermined length and the body formed with a thread on the outer peripheral surface;
  • the head is formed on the top of the body, the fastening groove into which the fastening mechanism is rotated to couple the body to the object is formed;
  • the head formed in the longitudinal direction of the body; including, the head has a circumferential direction on the outside of the fastening groove Accordingly, a fracture groove recessed inwardly is formed, and a portion thereof is broken when a predetermined torque value is reached by the fastening mechanism.
  • both the fixture and the abutment may be coupled with a constant torque value in both the case where a fastening mechanism such as a torque latch and a fastening mechanism such as a torque latch are not used.
  • FIG. 2 is a perspective view according to an embodiment of an implant screw according to the present invention.
  • FIG. 3 is an exemplary view showing a state in which a part of the head of the implant screw is broken according to the present invention
  • FIG. 4 is a front view and a cross-sectional view according to an embodiment of the implant screw according to the present invention
  • FIG. 5 is a front view and a cross-sectional view according to another embodiment of the implant screw according to the present invention.
  • FIG. 6 is a front view and a cross-sectional view showing an embodiment in which a through hole is formed in an implant screw according to the present invention
  • FIG. 7 is a cross-sectional view taken along line A-A in FIG. 6;
  • FIG. 8 is a front view and a cross-sectional view showing another embodiment in which a through hole is formed in an implant screw according to the present invention.
  • FIG. 9 is a cross-sectional view taken along line B-B in FIG. 7;
  • FIG. 10 is a front view and a sectional view showing another embodiment in which a through hole is formed in an implant screw according to the present invention.
  • Figure 11 is a cross-sectional view showing an embodiment in which the fracture inducing protrusions formed on the implant screw according to the present invention.
  • a part of the head is broken when reaching a predetermined torque value by the fastening mechanism so that the implant procedure can be performed conveniently and quickly, and having a predetermined length and a thread formed on an outer circumferential surface thereof;
  • the head is formed on the top of the body, the fastening groove into which the fastening mechanism to be rotated to couple the body to the object is formed; the head formed in the longitudinal direction of the body;
  • an implant screw having a constant torque value, wherein a fracture groove recessed inwardly is formed, and a part thereof is broken when a predetermined torque value is reached by the fastening mechanism.
  • the implant screw (A) having a constant torque value of the present invention is inserted into the abutment (C) to join the fixture (B) and the abutment (C), as shown in Figure 1 is a portion of the abutment (C) is abutment ) And the threaded portion is engaged with the screw groove formed in the fixture (B).
  • the implant screw (A) is configured to include a body 200 having a predetermined length, as shown in Figure 2, and the head 100 formed on the top of the body 200.
  • the body 200 is formed with a screw thread from the bottom to a certain height for screwing the fixture (B).
  • the head 100 has a diameter larger than the diameter of the body 200, for seating in the abutment (C) so that only the threaded portion is inserted into the abutment (C) to penetrate into the abutment (C), It is not limited to this.
  • the head 100 has a fastening groove 110 in which a fastening mechanism is rotated to couple the body 200 to an object, that is, a fixture B from an upper end to a predetermined depth.
  • a fastening groove 110 in which a fastening mechanism is rotated to couple the body 200 to an object, that is, a fixture B from an upper end to a predetermined depth.
  • the outer groove 120 is formed in the inner circumferential direction in the outer circumferential direction.
  • the fastening groove 110 may be formed in a variety of polygonal shapes, such as a cross-section may be a hexagon, as shown in Figure 2, a square, octagon, star shape, the size of the fastening groove 110
  • the fracture groove 120 may be formed in the same manner as above and below, and may be formed differently.
  • the implant screw (A) of the present invention is thicker than the portion where the coupling groove 110 and the fracture groove 120 is not formed between the coupling groove 110 and the fracture groove 120. It becomes thin and breaks occur at a constant torque value.
  • the fastening groove 110 can be prevented from being broken due to excessive torque caused by the fastening mechanism, and a torque value is given to the implant screw A itself. Therefore, when it is difficult to use a fastening mechanism such as a torque latch, it is possible to combine the fixture (B) and the abutment (C) with a constant torque value.
  • the optimum torque value is 35 Ncm, but according to the condition of the patient, the use of the implant, etc., the schedule that must be given in order to break a part of the head 100 of the implant screw (A) of the present invention The torque value will be different.
  • the breaking groove 120 formed in the head 100 of the implant screw A of the present invention may have a different torque value depending on the degree of indentation. As an example, as shown in FIG. 4, when the degree of depression of the fracture groove 120 is as long as d1, the degree of depression of the fracture groove 120 is greater than the length of d2 as shown in FIG. 5. A part of the head 100 is broken by the small torque value.
  • breaking groove 120 is embedded by the length of d2 as shown in FIG. 5, if a predetermined torque value for breaking a portion of the head 100 is 35 Ncm, as shown in FIG. 4, the breaking groove ( When 120 is embedded, a predetermined torque value for breaking a part of the head 100 has a torque value smaller than 35 Ncm.
  • Through holes 130 may be formed in the fastening groove 110 located on the same line as the fracture groove 120 formed in the head 100 of the implant screw A of the present invention, as shown in FIGS. 6 to 10. .
  • the through hole 130 may be formed in various shapes and sizes, which may vary depending on the size of a predetermined torque value to be broken.
  • the fastening groove 110 when the fastening groove 110 is in the form of a hexagonal column, one through hole is formed on each surface of the fastening groove 110 positioned on the same line as the break groove 120.
  • 130 may be formed, as shown in FIGS. 8 and 9, one through each of three surfaces of the six surfaces of the fastening groove 110 positioned on the same line as the fracture groove 120.
  • the ball 130 may be formed.
  • the head 100 of the implant screw A shown in FIGS. 6 and 7 is broken when reaching a smaller torque value than the head 100 of the implant screw A shown in FIGS. 8 and 9. You lose.
  • the fastening groove 110 when the fastening groove 110 is in the form of a hexagonal column, a plurality of through holes 130 are formed in each surface of the fastening groove 110 positioned on the same line as the fracture groove 120.
  • a part of the head 100 of the implant screw A may be broken by a torque value different from a constant torque value at which the head 100 of the implant screw A shown in FIGS. 6 to 9 is broken. Can be.
  • the implant screw (A) of the present invention may have a different torque value depending on the degree of insertion of the fracture groove 120, as well as a coupling groove 110 located on the same line as the fracture groove 120.
  • the torque value to be broken may vary according to at least one of the number, size, and position of the through holes 130 formed in the bar.
  • the head 100 of the implant screw (A) according to the present invention depends on the condition of the patient and the use of the implant. ) A certain torque value for breaking a part can be given differently.
  • the breaking guide protrusion 140 may be formed in the fastening groove 110 formed in the head 100 of the implant screw A of the present invention, as shown in FIG. 11.
  • the breaking inducing protrusion 140 may be formed to protrude along the circumferential direction in the same line as the breaking groove 120, and when the degree of indentation of the breaking groove 120 is the same, the breaking inducing protrusion 140 protrudes.
  • a predetermined torque value for breaking a part of the head 100 of the implant screw (A) of the present invention can be different.
  • the fracture groove 120 is basically formed in the head 100 of the implant screw A of the present invention, so that a part is broken when a predetermined torque value is reached by the fastening mechanism, and the fracture groove 120 is The degree of depression, including the number, size, and position of the through-holes 130 formed in the fastening groove 110, can be implemented through a break induction protrusion 140 formed in the fastening groove 100 to achieve a predetermined torque value required in various situations. Bar and implant procedures can be performed more conveniently and quickly.
  • a breakage groove is formed in the head of the implant screw so that a part is broken when a predetermined torque value is reached by the fastening mechanism, so that a separate torque latch for measuring the torque value is not required, as well as the fastening mechanism is fitted.
  • the grooves can be prevented from being damaged by excessive torque.
  • both the fixture and the abutment may be coupled with a constant torque value both when using a fastening mechanism such as a torque latch and when not using a fastening mechanism such as a torque latch.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & 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)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne une vis d'implant utilisée à des fins médicales et, plus spécifiquement, à une vis d'implant ayant une valeur de couple prédéterminée afin de permettre une opération d'implant de manière commode et rapide étant donné qu'une partie d'une tête est fracturée lorsque le couple atteint une valeur prédéterminée par un dispositif de couplage, comprenant : un corps ayant une longueur prédéterminée, et ayant des filetages formés sur la surface périphérique externe de celui-ci; et une tête formée au sommet du corps, et ayant une rainure de couplage, dans laquelle un dispositif de couplage tournant de manière à accoupler le corps à un objet est ajusté, formée dans la direction longitudinale du corps, la tête ayant une rainure de fracture renfoncée vers l'intérieur le long d'une direction circonférentielle sur le côté extérieur de la rainure de couplage de telle sorte qu'une partie de celle-ci est fracturée lorsque le couple atteint une valeur prédéterminée par le dispositif de couplage.
PCT/KR2017/006925 2017-02-16 2017-06-30 Vis d'implant ayant une valeur de couple prédéterminée WO2018151380A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0020937 2017-02-16
KR1020170020937A KR101935504B1 (ko) 2017-02-16 2017-02-16 일정 토크값을 갖는 임플란트 스크류

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Publication Number Publication Date
WO2018151380A1 true WO2018151380A1 (fr) 2018-08-23

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Application Number Title Priority Date Filing Date
PCT/KR2017/006925 WO2018151380A1 (fr) 2017-02-16 2017-06-30 Vis d'implant ayant une valeur de couple prédéterminée

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WO (1) WO2018151380A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444775A (en) * 1968-02-16 1969-05-20 Lockheed Aircraft Corp Nut formed with multiple torque-off collars
JP2001012431A (ja) * 1999-06-29 2001-01-16 Sankiyuu Denki Seisakusho:Kk 封止用ネジ
US6176659B1 (en) * 1998-08-18 2001-01-23 Gerhard Petri Gmbh & Co. Kg Shearable screw
JP3090525U (ja) * 2002-06-06 2002-12-20 株式会社ニチフ端子工業 盗難防止用ボルト
US8662805B2 (en) * 2011-02-09 2014-03-04 Hilti Aktiengesellschaft Torque-limited attachment device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050208452A1 (en) 2002-03-04 2005-09-22 Lang Brien R Method and apparatus for determining the preload for screws for dental implant systems
GB0327822D0 (en) 2003-12-01 2003-12-31 Materialise Nv Method for manufacturing a prosthesis made prior to implant placement
KR100758360B1 (ko) 2006-11-06 2007-09-14 오스템임플란트 주식회사 마운트 장치
JP2010148558A (ja) * 2008-12-24 2010-07-08 Japan Medical Materials Corp 人工歯根及び人工歯根用連結ネジ
KR200467684Y1 (ko) * 2011-04-19 2013-06-27 경희대학교 산학협력단 치과용 임플란트 고정스크루 및 이를 갖는 치과용 임플란트

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444775A (en) * 1968-02-16 1969-05-20 Lockheed Aircraft Corp Nut formed with multiple torque-off collars
US6176659B1 (en) * 1998-08-18 2001-01-23 Gerhard Petri Gmbh & Co. Kg Shearable screw
JP2001012431A (ja) * 1999-06-29 2001-01-16 Sankiyuu Denki Seisakusho:Kk 封止用ネジ
JP3090525U (ja) * 2002-06-06 2002-12-20 株式会社ニチフ端子工業 盗難防止用ボルト
US8662805B2 (en) * 2011-02-09 2014-03-04 Hilti Aktiengesellschaft Torque-limited attachment device

Also Published As

Publication number Publication date
KR101935504B1 (ko) 2019-01-04
KR20180094599A (ko) 2018-08-24

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