WO2020111412A1 - Pièce à main dentaire ayant une vibration optimisée - Google Patents

Pièce à main dentaire ayant une vibration optimisée Download PDF

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Publication number
WO2020111412A1
WO2020111412A1 PCT/KR2019/006163 KR2019006163W WO2020111412A1 WO 2020111412 A1 WO2020111412 A1 WO 2020111412A1 KR 2019006163 W KR2019006163 W KR 2019006163W WO 2020111412 A1 WO2020111412 A1 WO 2020111412A1
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WO
WIPO (PCT)
Prior art keywords
handpiece
vibration
tip
motor
case
Prior art date
Application number
PCT/KR2019/006163
Other languages
English (en)
Korean (ko)
Inventor
백명현
류현석
Original Assignee
주식회사 메타바이오메드
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 메타바이오메드 filed Critical 주식회사 메타바이오메드
Publication of WO2020111412A1 publication Critical patent/WO2020111412A1/fr

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Classifications

    • 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
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/07—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
    • 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
    • A61C1/0007—Control devices or systems
    • A61C1/0015—Electrical systems
    • 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
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/06—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with electric drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • A61C17/0202—Hand-pieces
    • 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
    • A61C5/42—Files for root canals; Handgrips or guiding means therefor

Definitions

  • the present invention relates to a handpiece, and more particularly, to a handpiece for vibration-optimized teeth.
  • the center of gravity of the handle portion has more vibration transmitted to the hand through the handle than vibration transmitted to the tip of the tip when vibration occurs.
  • the vibration transmitted to the hand made treatment such as a precise procedure difficult and deteriorated the performance of the tip.
  • the present invention was devised to solve the above problems, and the problem to be solved by the present invention is to move the center of gravity of the handpiece for the tooth toward the tip to minimize vibration transmitted to the hand and to transmit vibration to the tip It is to provide a handpiece for use with a toothbrush optimized for vibration.
  • Another object of the present invention is to provide a handpiece for a tooth with optimized vibration by selecting different hardness of the material in addition to the center of gravity design of the handpiece.
  • a motor 140 for generating rotation and a motor case 230 in which the motor 140 is accommodated A motor holder 210 for fixing the motor case 230 to the case 110 of the handpiece 100; Vibration characterized in that it comprises; asymmetric means for protruding asymmetrically between the motor holder 210 and the case 110 to make vibrations in the first direction different from vibrations in the second direction opposite to the first direction; This optimized dental handpiece is provided.
  • the asymmetric means makes the amplitude in the first direction and the amplitude in the second direction different from the center line.
  • the amplitude in the first direction is relatively larger than the amplitude in the second direction.
  • first direction is the tip direction 250 and the second direction is the tip opposite direction 260.
  • the asymmetric means forms a gap 240 between the motor holder 210 and the case 110 in the first direction, and closely adheres between the motor holder 210 and the case 110 in the second direction.
  • the upper fixing part 220 To form the upper fixing part 220.
  • the motor holder 210 includes silicon or polyurethane.
  • the tip needle 180 of the dental handpiece includes polypropylene or polyethylene.
  • a spiral 185 is further formed on the surface of the tip needle 180,
  • the head 170 that is fastened to one end of the tip needle 180 and the tip body 160 for connecting the head 170 to the case 110 include polypropylene or polyethylene.
  • the tip needle 180 of the handpiece for dentistry includes polypropylene or polyethylene, and for connecting the head 170 and the head 170 fastened to one end of the tip needle 180 to the case 110
  • the tip body 160 includes polypropylene or polyethylene having a relatively lower hardness than polypropylene or polyethylene.
  • the device is more simply configured by changing the vibration to rotation without the implementation of an additional mechanism. It has an effect.
  • vibrations are optimized by maximizing the performance of the tip by inducing vibrations of a desired shape by differently selecting the hardness of the material used for manufacturing the handpiece.
  • FIG. 1 is a cross-sectional view of a handpiece for a tooth with an optimized vibration according to an embodiment of the present invention
  • Figure 2 is a partial cross-sectional view of the motor around Figure 1,
  • FIG. 3 is a partial cross-sectional view showing an operating range with respect to the partial cross-sectional view of FIG. 2,
  • FIG. 4 is a partial cross-sectional view of the motor holder portion in FIG. 1.
  • first and second are for distinguishing one component from other components, and the scope of rights should not be limited by these terms.
  • the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • first component When a component is said to be “connected” to another component, it should be understood that other components may exist in the middle, although they may be directly connected to the other component.
  • second component when a component is said to be “directly connected” to another component, it should be understood that no other component exists in the middle.
  • other expressions describing the relationship between the components that is, “between” and “immediately between” or “neighboring to” and “directly neighboring to” should be interpreted similarly.
  • FIG. 1 is a cross-sectional view of a handpiece for a tooth with an optimized vibration according to a first embodiment of the present invention.
  • the exterior of the handpiece 100 is roughly composed of a case 110, a tip body 160 and a tip needle 180.
  • the battery 120 is built in the case 110 and can use a normal AA battery or an AAA battery, and a rechargeable secondary battery can be used by exposing the external terminal.
  • the battery 120 is a power source for vibration and movement as well as a power source for the electronic circuit of the handpiece 120.
  • the control unit 200 is a circuit board on which a microcomputer (not shown) is installed.
  • the control unit 200 rotates the motor 140 by using the power of the battery 120 or turns on/off the LED light or moves the head 170.
  • the button 130 is used to operate the motor 140 with an ON/OFF button toggled by a doctor or to turn on/off an LED light (not shown).
  • the motor 140 is a driving source that causes rotation, and the eccentric portion 145 connected to the shaft rotates together to cause vibration due to eccentric rotation. Accordingly, the amplitude of the handpiece 100 can be controlled by controlling the rotational speed of the motor 140.
  • One end of the tip holder 150 is fixed inside the case 110, and the other end is exposed.
  • the tip body 160 may be inserted into or removed from the other end of the exposed tip holder 150. That is, it is intended to be used by replacing various types of tip bodies 160 for one case 110.
  • the head 170 is connected to the tip needle 180 at the end of the handpiece 100. Inside the head 170 and the tip holder 150, a configuration for rotating the tip needle 180 and a configuration for linearly moving the head 170 are built-in. Since the internal configuration of the head 170 and the tip holder 150 is similar to the conventional configuration, a detailed illustration and description will be omitted. The cross-sections shown in FIGS. 1 to 4 are for focusing on the features of the present invention, and other conventional configurations are omitted.
  • the tip needle 180 is a component that directly cleans the root canal of the tooth.
  • One end of the tip needle 180 is fixed to the head 170, maintains a conical shape up to the tip, and a spiral 185 is formed on the side surface.
  • the spiral 185 facilitates vortex formation with respect to the washing water supplied, thereby facilitating washing of the root canal and discharge of byproducts after washing.
  • the tip needle 180 and the head 170 are molded from polyproplylene or polyethylene.
  • the tip needle 180 is molded by selecting a polypropylene or polyethylene having a relatively higher hardness than the head 170. If the hardness of the tip needle 180 is relatively high, the cleaning performance of the root canal becomes excellent. By doing this, it is possible to increase the convenience of the procedure and to improve the performance of the tip needle 180.
  • FIG. 2 is a partial cross-sectional view of the motor in FIG. 1
  • FIG. 4 is a partial cross-sectional view of the motor holder part in FIG. 1
  • FIG. 4 is a partial cross-sectional view of the motor holder part in FIG. 1. 2 and 4
  • the outside of the motor case 230 is connected to the inside of the case 110, and the motor 140 and the eccentric part 145 are provided inside the motor case 230. .
  • the motor holder 210 is configured to surround one side of the motor case 230 (the side closer to the control unit 200), and is fitted between the motor case 230 and the case 110.
  • the motor holder 210 forms a gap 240 between the inner surface of the case 110 with respect to the tip direction 250.
  • the upper side fixing part 220 is integrally protruded for a strong coupling with the inner surface of the case 110 in the opposite direction to the tip 260.
  • the motor holder 210 is manufactured by molding with low hardness silicone or polyurethane.
  • the vibration generated in the motor 140 due to the clearance 240 and the upper fixing part 220 has a large amplitude in the tip direction 250 based on the center line, and a small amplitude in the tip opposite direction 260.
  • FIG. 3 is a partial cross-sectional view showing an operating range with respect to the partial cross-sectional view of FIG. 2.
  • vibration occurs in the eccentric portion 145 while the motor 140 rotates.
  • the generated vibration is transmitted to the tip needle 180 through the tip holder 150 and the tip body 160.
  • the motor holder 210 is restricted by the vibration in the tip opposite direction 260 due to the upper fixing part 220, and the vibration in the tip direction 250 due to the gap 240 has a larger amplitude. do. Therefore, vibration transmitted to the case 110 and the hand can be reduced.
  • the amplitude according to the present invention is the second amplitude 280.
  • the second amplitude 280 is focused toward the head 170 and the tip needle 180 compared to the first amplitude 270 to improve the performance of the tip needle 180.

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  • Health & Medical Sciences (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)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

La présente invention concerne une pièce à main et, plus spécifiquement, une pièce à main dentaire ayant une vibration optimisée. À cet effet, une pièce à main dentaire comprend : un moteur (140) pour générer une rotation ; un carter de moteur (230) pour recevoir le moteur (140) ; un support de moteur (210) pour fixer le carter de moteur (230) à un boîtier (110) pour une pièce à main (100) ; et un moyen asymétrique qui fait saillie de manière asymétrique entre le support de moteur (210) et le boîtier (110) et effectue des vibrations dans une première direction différentes de vibrations dans une seconde direction qui est la direction opposée à la première direction.
PCT/KR2019/006163 2018-11-27 2019-05-23 Pièce à main dentaire ayant une vibration optimisée WO2020111412A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180148992A KR102033859B1 (ko) 2018-11-27 2018-11-27 진동이 최적화된 칫과용 핸드피스
KR10-2018-0148992 2018-11-27

Publications (1)

Publication Number Publication Date
WO2020111412A1 true WO2020111412A1 (fr) 2020-06-04

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PCT/KR2019/006163 WO2020111412A1 (fr) 2018-11-27 2019-05-23 Pièce à main dentaire ayant une vibration optimisée

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KR (1) KR102033859B1 (fr)
WO (1) WO2020111412A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111839761A (zh) * 2020-08-04 2020-10-30 桂林市啄木鸟医疗器械有限公司 一种根管荡洗机头

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989009571A1 (fr) * 1988-04-13 1989-10-19 John Reipur Appareillage dentaire electrique portatif
US20030064348A1 (en) * 1999-08-13 2003-04-03 Gary Sokol Drive mechanism for interproximal flossing device
KR100539408B1 (ko) * 2003-11-03 2005-12-28 이팔형 치석제거기
KR20110008682A (ko) * 2009-07-21 2011-01-27 오충원 근관세척용 파일기구
JP2018057670A (ja) * 2016-10-06 2018-04-12 国立大学法人東北大学 歯周スケーラ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005253848A (ja) 2004-03-15 2005-09-22 Kiiya:Kk 人台の取付具
US20180256287A1 (en) 2017-03-13 2018-09-13 Kerr Corporation Tool rfid recognition system for dental devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989009571A1 (fr) * 1988-04-13 1989-10-19 John Reipur Appareillage dentaire electrique portatif
US20030064348A1 (en) * 1999-08-13 2003-04-03 Gary Sokol Drive mechanism for interproximal flossing device
KR100539408B1 (ko) * 2003-11-03 2005-12-28 이팔형 치석제거기
KR20110008682A (ko) * 2009-07-21 2011-01-27 오충원 근관세척용 파일기구
JP2018057670A (ja) * 2016-10-06 2018-04-12 国立大学法人東北大学 歯周スケーラ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111839761A (zh) * 2020-08-04 2020-10-30 桂林市啄木鸟医疗器械有限公司 一种根管荡洗机头

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