WO2016024722A1 - Instrument de traitement endodontique dentaire ayant une fonction de détection de profondeur d'insertion - Google Patents

Instrument de traitement endodontique dentaire ayant une fonction de détection de profondeur d'insertion Download PDF

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Publication number
WO2016024722A1
WO2016024722A1 PCT/KR2015/007163 KR2015007163W WO2016024722A1 WO 2016024722 A1 WO2016024722 A1 WO 2016024722A1 KR 2015007163 W KR2015007163 W KR 2015007163W WO 2016024722 A1 WO2016024722 A1 WO 2016024722A1
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WO
WIPO (PCT)
Prior art keywords
root canal
handpiece
stopper
main body
canal treatment
Prior art date
Application number
PCT/KR2015/007163
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English (en)
Korean (ko)
Inventor
홍성빈
Original Assignee
주식회사 올비트앤
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 올비트앤 filed Critical 주식회사 올비트앤
Publication of WO2016024722A1 publication Critical patent/WO2016024722A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots

Definitions

  • the present invention relates to a device for treating dental root canal, which is used for the purpose of water repelling and removing the dimensions of a tooth.
  • endodontic treament refers to the removal of pain by removing the pulp, the nerve tissue inside the tooth, and sealing other materials of sterile conditions in the space when the tooth is felt by caries or external stimuli. Surgery to maintain the function of the. Root canal treatment, also called neurotherapy, does not cure nerves, but rather surgery to remove nerves and blood vessels inside the tooth.
  • the first step is to remove the damaged pulp.
  • the instrument used in this process is a device for root canal treatment.
  • a root canal treatment apparatus includes a handpiece that can be gripped by hand and a drill-shaped root canal treatment pile that is rotationally driven by a motor at an end of the handpiece.
  • the root canal treatment file is removed from the top of the tooth while rotating to remove the dimensions.
  • the conventional root canal treatment apparatus has a problem that it is difficult to delete the inside of the root canal to a predetermined depth by presetting the insertion depth in the process of deleting the inside of the root canal as a file for the root canal treatment.
  • the canal enlargement and shaping is performed while a stopper having a disc shape is inserted into the root canal treatment file so as to delete the predetermined depth.
  • the insertion depth is the same as observing the insertion depth with the naked eye, there is a problem that the depth of insertion may vary depending on the viewing angle of the viewer.
  • the stopper moves integrally with the file for the root canal treatment, there is a problem in that the position of the stopper is changed in the process, so that it is difficult to accurately perform at a predetermined depth.
  • the present invention has been made in order to solve the above problems, it is precisely set the depth to be inserted in the root canal treatment of the tooth, and the structure is improved so that the operator can easily and accurately recognize when the deletion to the preset depth is completed To provide a device for treating dental root canal.
  • a device for treating dental root canal with depth canal insertion depth detection function according to an embodiment of the present invention, a handpiece; And a root canal treatment file installed at an end of the handpiece.
  • a stopper movably disposed in the longitudinal direction of the root canal treatment pile relative to the root canal treatment pile;
  • An indicator installed on the handpiece so as to recognize the position of the stopper externally by a scale by having a transfer member mechanically connected to the stopper and integrally moving with the stopper; It is characterized by the points including.
  • the apparatus for treating dental root canal according to the present invention can accurately set the depth of the root canal removed by the root canal treatment file by an indicator associated with the stopper, and when the removal is completed with a predetermined depth, the depth can be easily externally. Because it can recognize the accurate and precise root canal treatment is effective.
  • the indicator as in the preferred embodiment of the present invention has the advantage that the bi-directional control is connected to the ball screw structure or rack and pinion structure between the transfer member and the main body.
  • the reduction gear unit is included between the transfer member and the main body as in the preferred embodiment of the present invention, there is an advantage that more accurate measurement and control can be performed.
  • a light emitting diode lamp capable of illuminating the inside of the root canal is removed as in the preferred embodiment of the present invention, the treatment efficiency is further improved.
  • FIG. 1 is a perspective view of a device for treating dental root canal according to a first embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an example of the indicator structure shown in FIG. 1.
  • FIG. 3 is a view showing a transfer member included in the indicator structure shown in FIG.
  • FIG. 4 is a diagram illustrating another structure replaceable with the indicator shown in FIG. 2.
  • FIG. 5 is a view illustrating an example of a reduction gear unit applied to an indicator included in the root canal treatment instrument shown in FIG. 1.
  • FIG. 6 is a perspective view of a root canal treatment instrument according to another embodiment of the present invention.
  • FIG. 7 is a perspective view of a device for treating dental root canal according to another embodiment of the present invention.
  • FIG. 1 is a perspective view of a device for treating dental root canal according to a first embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an example of the indicator structure shown in FIG. 1.
  • 3 is a view showing a transfer member included in the indicator structure shown in FIG.
  • FIG. 4 is a diagram illustrating another structure replaceable with the indicator shown in FIG. 2.
  • 4 is a diagram illustrating another structure of the indicator shown in FIG. 2.
  • 5 is a view illustrating an example of a reduction gear unit applied to an indicator included in the root canal treatment instrument shown in FIG. 1.
  • 6 is a perspective view of a root canal treatment instrument according to another embodiment of the present invention.
  • 7 is a perspective view of a device for treating dental root canal according to another embodiment of the present invention.
  • root canal treatment instruments a dental root canal treatment instrument equipped with a root canal insertion depth detection function according to some embodiments of the present invention (hereinafter referred to as "root canal treatment instruments") according to some embodiments of the present invention is present in the tooth It is a medical device that can be detachably attached or integrally installed on a treatment device that removes by removing the dimension of nerve tissue by couching (scraping off).
  • the root canal treatment instrument 10 is a medical instrument that can be additionally installed on a treatment instrument including the handpiece 20 and the root canal treatment pile 30.
  • the treatment apparatus including the handpiece 20 and the root canal treatment pile 30 will be described.
  • the handpiece 20 includes a gear structure for converting a motor and power into a frame that a person can hold by hand.
  • the handpiece 20 may adopt the same structure as the handpiece constituting a known conventional root canal treatment instrument.
  • the root canal treatment pile 30 is rotatably installed at an end of the handpiece 20.
  • the root canal treatment pile 30 is, for example, a drill-shaped member that is rotationally driven relative to the handpiece 20.
  • the outer peripheral surface of the root canal treatment pile 30 may not be provided with a drill-shaped uneven structure.
  • One end of the root canal treatment pile 30 is dynamically connected to a motor provided in the handpiece 20.
  • the other end of the root canal treatment pile 30 constitutes a pointed needle shape. More specifically, the root canal treatment pile 30 constitutes a tapered cross section in which the size of the outer diameter decreases from one end to the other end.
  • a screw-shaped uneven structure is formed on the outer circumferential surface of the root canal treatment pile 30 to facilitate root canal removal.
  • One end of the root canal treatment pile 30 is formed with a head.
  • the head portion may be configured to be thicker than other portions as a portion serving as a handle when the pile 30 for the root canal treatment is coupled to the handpiece 20 or separated from the handpiece 20
  • the root canal treatment instrument 10 includes a stopper 40 and an indicator 50.
  • the stopper 40 is disposed to be movable in the longitudinal direction of the root canal treatment pile 30 with respect to the root canal treatment pile 30.
  • the stopper 40 is disposed at regular intervals so as not to come into contact with the root canal treatment pile 30.
  • the stopper 40 is coupled to the indicator 50 which will be described later mechanically through connection means such as the first connection member 41 and the second connection member 42. More specifically, the stopper 40 is coupled to the transfer member 52 described later. Accordingly, the stopper 40, the first connection member 41, the second connection member 42, and the transfer member 52 are integrally moved.
  • the stopper 40 serves to detect or recognize that the user of the root canal treatment instrument 10 has reached a target insertion depth (depth) by being caught at the upper end of the tooth to be removed (removed).
  • the indicator 50 is mechanically connected to the stopper 40 as described above. More specifically, the indicator 50 includes a main body 51, a transfer member 52, and a graduation member 54.
  • the main body 51 is a housing constituting the indicator 50.
  • the body 51 is fixed to the handpiece 20.
  • the structure in which the main body 51 can be fixed to the handpiece 20 is various.
  • the main body 51 may include a plurality of coupling legs 53, and the coupling legs 53 may be forcibly fitted to the handpiece 20.
  • the body 51 may be coupled to the handpiece 20 by a connecting means such as bolts and nuts.
  • the main body 51 may be installed in a state separated from the handpiece 20 as necessary.
  • the body 51 may be formed integrally with the handpiece (20).
  • the conveying member 52 is mechanically connected to the stopper 40.
  • the stopper 40 is integrally coupled by the first connection member 41 and the second connection member 42.
  • the transfer member 52 moves integrally with the stopper 40.
  • the transfer member 52 may be composed of a plate-like member as shown in FIG. A pointed portion may be formed on the transfer member 52 to correspond to a scale provided in the scale member 54 to be described later.
  • the conveying member is slidably disposed with respect to the main body to move in the same direction as the movement direction of the stopper.
  • the graduation member 54 is fixed to the main body 51.
  • the graduation member 54 forms a structure, for example, a kind of bar ruler.
  • the scale member 54 may be provided with a plurality of scales, numbers, or symbols.
  • the transfer member 52 corresponds to a scale provided in the scale member 54 so that the position of the stopper 40 can be visually recognized from the outside.
  • the indicator 50 functions to recognize the position of the stopper 40 from the outside by the scale.
  • the conveying member 52 constituting the indicator 50 may be combined with the main body 51 in a so-called ball screw structure as shown in FIG. That is, the transfer member 52 is provided with a coupling hole 55 having a female thread.
  • a rod-shaped screw member 56 is rotatably coupled to the main body 51 and has a male screw portion formed on an outer circumferential surface thereof so as to be screwed to the coupling hole 55.
  • the screw member 56 is screwed to the coupling hole 55 is applied to the ball screw principle.
  • the transfer member 52 linearly moves along the screw member 56.
  • the conveying member 52 linearly moves in the longitudinal direction of the screw member 56, the screw member 56 may be to rotate.
  • the transfer member 52 may be coupled to the screw member 56 via the reduction gear unit 60 provided in the main body 51.
  • the reduction gear unit 60 is a combination of a plurality of gears having different gear ratios is a widely used mechanical element for the purpose of rotational speed or torque conversion.
  • the reduction gear unit 60 may not be provided as necessary, as shown in FIG.
  • the transfer member 52 may be coupled to the main body 51 by a rack and pinion (rack and pinion) structure.
  • the transfer member 52 is provided with a rack gear 58.
  • the pinion gear 59 is rotatably installed in the main body 51.
  • the rack gear 58 and the pinion gear 59 mesh with each other so that the rack gear 58 linearly moves when the pinion gear 59 rotates. Accordingly, it is possible to lift and lower the transfer member 52 by rotating and rotating the pinion gear 59. Accordingly, the position of the stopper 40 which is integrally moved with the transfer member 52 may be moved to a desired position.
  • the position of the stopper 40 is adjusted, and the position of the stopper 40 moves from the free end of the root canal treatment file 30 by the depth to be deleted. Can be set in one location.
  • the transfer member 52 may be coupled to the rack and pinion structure including the rack gear 58 and the pinion gear 59 via the reduction gear unit 60 provided in the main body 51.
  • the reduction gear unit 60 is a combination of a plurality of gears having different gear ratios is a widely used mechanical element for the purpose of rotational speed or torque conversion.
  • the reduction gear unit 60 may not be provided as necessary, as shown in FIG.
  • the root canal treatment instrument 10 may include a conductive probe 70 and an extension port (not shown).
  • the conductive probe 70 is installed in sliding contact with the root canal treatment pile 30.
  • the conductive probe 70 may be made of a metal material having good electrical conductivity.
  • the conductive probe 70 may be made of metal such as aluminum or silver, for example. That is, the conductive probe 70 is electrically connected to the root canal treatment pile 30.
  • the extension port (not shown) is connected to the conductive probe 70 and the wire 72.
  • the extension port (not shown) is an interface for electrical connection between a kind of external device and the conductive probe 70.
  • the extension port (not shown) is electrically connected to the conductive probe 70 by a wire coated wire 72.
  • the extension port (not shown) may be provided in the handpiece 20 or the main body 51.
  • the extension port (not shown) serves as a contact point for electrically connecting the device existing outside the handpiece 20 and the conductive probe 70.
  • the extension port (not shown) may be electrically connected to a device such as, for example, an EPT device.
  • the root canal treatment device 10 may be provided with a light emitting diode lamp (not shown).
  • the LED lamp (not shown) may be coupled to the handpiece 20 or the main body 51.
  • the light emitting diode lamp (not shown) is provided to illuminate the inside of the canal of the tooth that is deleted by the file for the root canal treatment (30).
  • the stopper 40 sets the depth of the root canal to be removed in advance, and sets the position of the stopper 40 at a position as high as the depth to be deleted from the lower end of the root canal treatment file 30.
  • the process of setting the position of the stopper 40 is as follows. That is, when the stopper 40 is located at the lower end of the root canal treatment pile 30, the transfer member 52 constituting the indicator 50 is positioned on the scale of "0" on the scale member 54. Set it to locate. Then, the transfer member 52 is moved upward. In this process, the conveying member 52 may be moved upward by rotating the screw member 56 or by rotating the pinion gear 59.
  • the screw member 56 or the pinion gear 59 may be precisely rotated by a separate motor coupled to the reduction gear unit 60.
  • the root canal treatment file 30 is rotated to remove the dimension.
  • the root canal treatment pile 30 removes the root canal from the top of the tooth in the form of a drill.
  • the stopper 40 contacts the upper end of the tooth to be deleted. At this time, if the root canal removal is stopped, the root canal is removed exactly as the desired depth. Subsequently, the dental root canal treatment is completed by filling the sterile treated material into the deleted canal internal space.
  • the root canal treatment file 30 may be rotated in a state where the stopper 40 is positioned at the lower end of the root canal treatment file 30 to delete the root canal.
  • the falling speed of the root canal treatment pile 30 and the rising speed of the stopper 40 should be maintained the same. That is, when the handpiece 20 is controlled to descend at a constant speed by a separate equipment (not shown), the transfer member 52 may be connected to the handpiece by the motor connected to the reduction gear unit 60. It is set to move in the direction opposite to the moving direction of the handpiece 20 at the same speed as the moving speed of 20). Then, the transfer member 52 is increased by the depth that is deleted by the root canal treatment file 30, it is possible to visually check the depth to delete the dimension of the root canal treatment file 30 in real time. . Therefore, there is an advantage that the dental root canal treatment efficiency is improved.
  • the conductive probe 70 and the extension port (not shown) are provided as in a preferred embodiment of the present invention, by connecting equipment such as electron root canal measurement equipment to the extension port (not shown) While deleting the root canal with the root canal treatment file 30, there is an advantage that can calculate the depth to be deleted by the resistance value measured by the conductive probe.
  • the apparatus for treating dental root canal according to the present invention can accurately set the depth of the root canal that is deleted by the root canal treatment file by an indicator associated with the stopper, and when the deletion is completed with a predetermined depth, it is easily externally. Since the depth can be recognized, accurate and precise root canal treatment is possible.
  • the indicator as in the preferred embodiment of the present invention has the advantage that the bi-directional control is connected to the ball screw structure or rack and pinion structure between the transfer member and the main body.
  • the reduction gear unit is included between the transfer member and the main body as in the preferred embodiment of the present invention, there is an advantage that more accurate measurement and control can be performed.
  • a light emitting diode lamp capable of illuminating the inside of the root canal is removed as in the preferred embodiment of the present invention, the treatment efficiency is further improved.
  • a device for treating dental root canal with depth canal insertion depth detection function according to an embodiment of the present invention, a handpiece; And a root canal treatment file installed at an end of the handpiece.
  • a stopper movably disposed in the longitudinal direction of the root canal treatment pile relative to the root canal treatment pile;
  • An indicator installed on the handpiece so as to recognize the position of the stopper externally by a scale by having a transfer member mechanically connected to the stopper and integrally moving with the stopper; It is characterized by the points including.
  • the indicator has a body fixed to the handpiece,
  • the said conveyance member is slidably arrange
  • the transfer member is provided with a coupling hole provided with a female thread
  • the rod-shaped screw member is rotatably installed on the main body and provided with a male thread on an outer circumferential surface thereof.
  • the conveying member linearly moves along the screw member, and the conveying member is straight in the longitudinal direction of the screw member.
  • the screw member may be configured to rotate when moving.
  • the conveying member may be movably coupled to the body by a rack and pinion structure.
  • the conveying member may be coupled to the screw member via a reduction gear unit provided in the main body.
  • the transfer member may be coupled to the rack and pinion structure via a reduction gear unit provided in the main body.
  • a conductive probe installed in sliding contact with the file for treating the root canal and electrically connected to the file for treating the root canal;
  • An extension port electrically connected to the conductive probe and electrically connecting the outside of the handpiece or the main body to the conductive probe may be provided on the handpiece or the main body.
  • a light emitting diode lamp coupled to the handpiece or the main body and configured to illuminate the inside of the canal of the tooth that is deleted by the root canal treatment file may be provided.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Neurology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurosurgery (AREA)
  • Biophysics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

Un instrument de traitement endodontique dentaire selon la présente invention est un instrument de traitement endodontique dentaire qui peut être attaché à un instrument de traitement (ou détaché de celui-ci ou installé d'un seul tenant sur celui-ci) comprenant une pièce à main et un pieu de traitement endodontique installé sur une extrémité de la pièce à main, l'instrument de traitement endodontique dentaire étant caractérisé en ce qu'il comprend : une butée agencée pour être capable de se déplacer par rapport au pieu de traitement endodontique dans le sens longitudinal du pieu de traitement endodontique; et un indicateur ayant un élément de transfert, qui est relié à la butée par l'intermédiaire d'un mécanisme de façon à se déplacer d'un seul tenant avec la butée, ce qui lui permet d'être installé sur la pièce à main de telle sorte que la position de la butée puisse être reconnue depuis l'extérieur avec référence à des repères.
PCT/KR2015/007163 2014-08-11 2015-07-10 Instrument de traitement endodontique dentaire ayant une fonction de détection de profondeur d'insertion WO2016024722A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0103645 2014-08-11
KR1020140103645A KR101470426B1 (ko) 2014-08-11 2014-08-11 근관 삽입 심도 감지 기능이 구비된 치아 근관 치료용 기구

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WO2016024722A1 true WO2016024722A1 (fr) 2016-02-18

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WO (1) WO2016024722A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102239528B1 (ko) 2019-10-29 2021-04-13 주식회사 세양 탄력적 전기접속부를 갖는 치아 근관치료용 핸드피스
KR102264975B1 (ko) * 2019-12-02 2021-06-15 (주)세신정밀 치과 치료 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0564643A (ja) * 1991-09-06 1993-03-19 Osada Chuo Kenkyusho:Kk 根管施術装置
JP2000254149A (ja) * 1999-03-09 2000-09-19 Gc Corp 歯科用根管形成及び根管長測定用ハンドピース
JP2000308651A (ja) * 1999-04-09 2000-11-07 Kaltenbach & Voigt Gmbh & Co 医療用のハンドピースに深さ止め具を設定するための設定ゲージ
JP2004236777A (ja) * 2003-02-05 2004-08-26 Nakanishi:Kk 根管長測定可能な歯科用ヘッドユニット
KR20060086381A (ko) * 2003-12-08 2006-07-31 가부시끼가이샤 모리다 세이사꾸쇼 치과 진료 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0564643A (ja) * 1991-09-06 1993-03-19 Osada Chuo Kenkyusho:Kk 根管施術装置
JP2000254149A (ja) * 1999-03-09 2000-09-19 Gc Corp 歯科用根管形成及び根管長測定用ハンドピース
JP2000308651A (ja) * 1999-04-09 2000-11-07 Kaltenbach & Voigt Gmbh & Co 医療用のハンドピースに深さ止め具を設定するための設定ゲージ
JP2004236777A (ja) * 2003-02-05 2004-08-26 Nakanishi:Kk 根管長測定可能な歯科用ヘッドユニット
KR20060086381A (ko) * 2003-12-08 2006-07-31 가부시끼가이샤 모리다 세이사꾸쇼 치과 진료 장치

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