JPH08141001A - Optical irradiator - Google Patents

Optical irradiator

Info

Publication number
JPH08141001A
JPH08141001A JP6285508A JP28550894A JPH08141001A JP H08141001 A JPH08141001 A JP H08141001A JP 6285508 A JP6285508 A JP 6285508A JP 28550894 A JP28550894 A JP 28550894A JP H08141001 A JPH08141001 A JP H08141001A
Authority
JP
Japan
Prior art keywords
light
light emitting
emitting diode
guide
irradiator
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP6285508A
Other languages
Japanese (ja)
Other versions
JP3270269B2 (en
Inventor
Shigeru Goto
繁 後藤
Toshiyuki Sadohara
俊幸 佐土原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osada Research Institute Ltd
Original Assignee
Osada Research Institute Ltd
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 Osada Research Institute Ltd filed Critical Osada Research Institute Ltd
Priority to JP28550894A priority Critical patent/JP3270269B2/en
Publication of JPH08141001A publication Critical patent/JPH08141001A/en
Application granted granted Critical
Publication of JP3270269B2 publication Critical patent/JP3270269B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/003—Apparatus for curing resins by radiation
    • A61C19/004—Hand-held apparatus, e.g. guns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2204/00—Features not otherwise provided for
    • A61C2204/002—Features not otherwise provided for using batteries

Landscapes

  • 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)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

PURPOSE: To use plural light emitting diodes which emit light of specific wavelength as a light source for photopolymerization. CONSTITUTION: A light emitting diode plate 1 is provided with plural diodes, and converges light of wavelength of around 480nm effective for the curing of resin from each light emitting diode by a lens 3, and introduces it to a light guide 4. The light introduced to the light guide 4 is emitted from the tip of the guide, and cures the resin, etc.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、光照射器、より詳細に
は、歯科治療において、例えば、歯牙形成後の修復材と
して使用する光硬化性レジンを硬化させるための光重合
用光照射器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light irradiator, and more particularly to a light irradiator for photopolymerization for curing a photocurable resin used as a restorative material after tooth formation in dental treatment. Regarding

【０００２】[0002]

【従来の技術】歯科治療においては、歯牙形成後の修復
材として光重合レジンを用いるが、この光重合レジン
は、例えば、歯牙の修復材として使用する場合、歯牙の
破損箇所へ接着した後、光を照射して硬化させ、硬化
後、切削、研磨等を行って、元の歯牙と一体化させて破
損前の歯牙を審美性を持たせて修復するものである。2. Description of the Related Art In dental treatment, a photopolymerized resin is used as a restorative material after tooth formation. When the photopolymerized resin is used as a tooth restorative material, for example, after adhering to a damaged portion of the tooth, It cures by irradiating light, and after curing, cutting, polishing, etc. are performed to integrate with the original tooth to restore the tooth before breakage with aesthetics.

【０００３】図２は、上述のごとき歯牙の修復を仕方を
説明するための図で、図中、２０は破損箇所Ａを有する
歯牙（元の歯牙）で、この破損箇所を修復するために、
この破損箇所に光重合レジンを接着する。この時、レジ
ンは破損箇所Ａを含むように多めに（Ｂの領域まで）接
着する。このようにして、破損した歯牙の破損部にレジ
ンを接着した後、光照射器１０により光を照射してレジ
ンを硬化させ、その後、Ｂ部を切削、研磨等を行って取
り除き、Ａ部のレジンのみを残し、これによって、Ａ部
を含む元の歯牙に修復するものである。FIG. 2 is a diagram for explaining a method of repairing a tooth as described above. In the figure, reference numeral 20 denotes a tooth (original tooth) having a damaged portion A. In order to repair this damaged portion,
A photo-polymerization resin is adhered to this damaged portion. At this time, the resin is adhered in a large amount (up to the area B) so as to include the damaged portion A. In this way, after the resin is adhered to the damaged part of the damaged tooth, the light is irradiated by the light irradiator 10 to cure the resin, and then the B part is removed by cutting, polishing, etc. By leaving only the resin, the original tooth including part A is restored.

【０００４】図３は、従来の光照射器の一例を説明する
ための概略構成図で、図中、１１は光源、１２は楕円ミ
ラー、１３はフィルター、１４は光ガイド（光チュー
ブ、光ファイバー束、ファイバーロッド等）、１５はリ
ード線を内包するケーブルで、周知のように、光源１１
は楕円反射ミラー１２の焦点位置にあり、該光源１１か
らの光を楕円反射ミラー１２で反射する。この反射光
は、前記楕円反射ミラーの焦点と対をなす他方の焦点位
置近傍にその受光端が配設された光ガイド１４内に導入
され、該光ガイド１４を通して伝送されて、前述のよう
にして光重合レジンに照射される。なお、フィルタ１３
は、光源１１からの光のうち、光重合に必要な光波長成
分の光のみを透過させるもので、例えば、４８０nm付近
の波長成分のみを通過させる。FIG. 3 is a schematic diagram for explaining an example of a conventional light irradiator. In the figure, 11 is a light source, 12 is an elliptical mirror, 13 is a filter, and 14 is a light guide (light tube, optical fiber bundle). , A fiber rod, etc.), 15 is a cable containing a lead wire, and as is well known,
Is at the focal position of the elliptical reflection mirror 12, and the light from the light source 11 is reflected by the elliptical reflection mirror 12. This reflected light is introduced into the light guide 14 whose light receiving end is arranged in the vicinity of the other focus position forming a pair with the focus of the elliptical reflection mirror, and is transmitted through the light guide 14 as described above. The photopolymerized resin is irradiated. The filter 13
Of the light from the light source 11 transmits only the light having the wavelength component necessary for photopolymerization, and allows only the wavelength component near 480 nm to pass.

【０００５】[0005]

【発明が解決しようとする課題】上述のように、従来の
光重合用光照射器は、光源にランプを使用しているが、
ランプは、光重合に必要な波長成分を少ししか含んでい
ない、余分な光を熱の形で捨てている、ランプの寿命が
短い等の問題があり、更には、光重合に使用されない波
長の光によって発生された熱を、冷却等の手段によって
逃さなければならないといった問題であった。As described above, the conventional photopolymerization light irradiator uses a lamp as a light source.
Lamps have problems such as containing only a few wavelength components necessary for photopolymerization, discarding excess light in the form of heat, short life of the lamp, and the wavelengths not used for photopolymerization. There has been a problem that the heat generated by the light has to be escaped by means such as cooling.

【０００６】本発明は、上述のごとき実情に鑑みてなさ
れたもので、特に、約４８０nmの波長の光を発生する発
光ダイオードを効果的に利用することにより、従来のラ
ンプ式の光重合器が有する上述のごとき問題点をなく
し、より使い勝手のよい光重合用光照射器を提供するこ
とを目的としてなされたものである。The present invention has been made in view of the above-mentioned circumstances, and in particular, by effectively utilizing a light emitting diode which emits light having a wavelength of about 480 nm, a conventional lamp type photopolymerizer is provided. The object of the present invention is to eliminate the above-mentioned problems and to provide a more convenient photopolymerization light irradiator.

【０００７】[0007]

【課題を解決するための手段】本発明は、上記課題を解
決するために、（１）複数個の発光ダイオードと、各発
光ダイオードからの光を集光する光学系と、該光学系に
よって集光された光が導入される光ガイドとを有し、前
記発光ダイオードによって発光された光を前記光ガイド
に導入し該光ガイドの放出端から放射するようにしたこ
とを特徴としたものであり、更には、（２）前記発光ダ
イオードが約４８０nmの波長の光を発生するものである
こと、更には、（３）前記発光ダイオードがマイクロレ
ンズ形状をした気密性のパッケージにて一体化されてい
ること、更には、（４）電源電池を内蔵し、該電源電池
によって前記発光ダイオードを発光させることを特徴と
したものである。In order to solve the above-mentioned problems, the present invention provides (1) a plurality of light-emitting diodes, an optical system for condensing light from each light-emitting diode, and an optical system for collecting the light. A light guide into which the emitted light is introduced, wherein the light emitted by the light emitting diode is introduced into the light guide and emitted from the emission end of the light guide. Further, (2) the light emitting diode emits light having a wavelength of about 480 nm, and (3) the light emitting diode is integrated in a microlens-shaped airtight package. Furthermore, (4) a power supply battery is built in, and the light emitting diode is caused to emit light by the power supply battery.

【０００８】[0008]

【作用】光源として、約４８０nmの波長の光を発生する
発光ダイオードを複数個用い、これら複数個の発光ダイ
オードの光を効果的に光ガイドに導入し、該光ガイドか
ら放射される光をレジン等の光重合用光源として用い
る。As a light source, a plurality of light emitting diodes that emit light having a wavelength of about 480 nm are used, and the light from the plurality of light emitting diodes is effectively introduced into the light guide, and the light emitted from the light guide is resin. Etc. used as a light source for photopolymerization.

【０００９】[0009]

【実施例】図１は、本発明による光重合用光照射器の一
実施例を説明するための断面図で、図中、１は発光ダイ
オード（ＬＥＤ）プレート、２は発光ダイオード駆動回
路、３は集光レンズ、４は光ガイド、５はバッテリー、
６は充電制御回路、７は充電コイルで、発光ダイオード
プレート１には、発光周波数が約４８０nmの多数個の発
光ダイオードが配設されており、各発光ダイオードから
発生された光は、集光レンズ２に集束されて光ガイド４
に導入され、該光ガイド４の先端より放射されて、前述
のように、例えば、歯牙修復のためのレジンを硬化す
る。1 is a sectional view for explaining an embodiment of a photopolymerization light irradiator according to the present invention, in which 1 is a light emitting diode (LED) plate, 2 is a light emitting diode driving circuit, and 3 is a light emitting diode driving circuit. Is a condenser lens, 4 is a light guide, 5 is a battery,
6 is a charging control circuit, 7 is a charging coil, and the light emitting diode plate 1 is provided with a large number of light emitting diodes each having an emission frequency of about 480 nm. Light emitted from each light emitting diode is collected by a condenser lens. Light guide 4 focused on 2
And is emitted from the tip of the light guide 4 to cure, for example, a resin for tooth restoration as described above.

【００１０】前述のように、光源は、所定の光量を得る
ために、複数個の発光ダイオードが、気密性、光の指向
性を得るために、マイクロレンズ状をした気密性のパッ
ケージに一体的に形成され、これらマイクロレンズ状の
パッケージが平板基板上に実装されて形成されている。
なお、図示しないが、光量の調整機能、光量を安定化す
るフィードバック機能、照射時間タイマー等は必要によ
り付加可能であり、また、図には、コイル結合による充
電機能を有する例を示したが、充電機能を別体にするよ
うにすることを可能であり、更には、乾電池を使用する
ようにすることも可能であることは容易に理解できよ
う。As described above, in the light source, a plurality of light emitting diodes are integrated in a microlens-shaped airtight package in order to obtain airtightness and directivity of light in order to obtain a predetermined amount of light. The microlens-shaped package is mounted on a flat substrate to be formed.
Although not shown, a light amount adjusting function, a feedback function for stabilizing the light amount, an irradiation time timer, etc. can be added if necessary, and the figure shows an example having a charging function by coil coupling. It can be easily understood that the charging function can be made separate, and further, the dry battery can be used.

【００１１】[0011]

【発明の効果】以上の説明から明らかなように、本発明
によると、ランプ式の照射器に比して、寿命の長く、し
かも、ランプ方式で必要としたフィルターやミラー等を
必要としない、更には、熱対策を必要としない、非常に
使い勝手のよい、手持型の光重合用光照射器を提供する
ことができる。As is clear from the above description, according to the present invention, the life of the lamp is longer than that of the lamp type irradiator, and the filter, mirror and the like required in the lamp type are not required. Further, it is possible to provide a handheld light irradiator for photopolymerization that does not require heat countermeasures and is very convenient.

【図面の簡単な説明】[Brief description of drawings]

【図１】 本発明による光重合用光照射器の一実施例を
説明するための断面図である。FIG. 1 is a cross-sectional view illustrating an embodiment of a photopolymerization light irradiator according to the present invention.

【図２】 光重合用光照射器の一使用例を説明するため
の図である。FIG. 2 is a diagram for explaining an example of use of a light irradiation device for photopolymerization.

【図３】 従来のランプ式の光重合光照射器の一例を説
明するための図である。FIG. 3 is a diagram for explaining an example of a conventional lamp-type photopolymerization light irradiator.

【符号の説明】[Explanation of symbols]

１…発光ダイオードプレート、２…発光ダイオード駆動
回路、３…集光レンズ、４…光ガイド、５…バッテリ
ー、６…光電用制御回路、７…充電用コイル。DESCRIPTION OF SYMBOLS 1 ... Light emitting diode plate, 2 ... Light emitting diode drive circuit, 3 ... Condensing lens, 4 ... Light guide, 5 ... Battery, 6 ... Photoelectric control circuit, 7 ... Charging coil.

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 複数個の発光ダイオードと、各発光ダイ
オードからの光を集光する光学系と、該光学系によって
集光された光が導入される光ガイドとを有し、前記発光
ダイオードによって発光された光を前記光ガイドに導入
し該光ガイドの放出端から放射するようにしたことを特
徴とする光照射器。1. A light emitting diode comprising: a plurality of light emitting diodes; an optical system for collecting light from each light emitting diode; and a light guide into which the light collected by the optical system is introduced. A light irradiator, characterized in that the emitted light is introduced into the light guide and emitted from the emission end of the light guide. 【請求項２】 前記発光ダイオードが約４８０nmの波長
の光を発生するものであることを特徴とする請求項１に
記載の光照射器。2. The light irradiator according to claim 1, wherein the light emitting diode emits light having a wavelength of about 480 nm. 【請求項３】 前記発光ダイオードがマイクロレンズ形
状をした気密性のパッケージにて一体化されていること
を特徴とする請求項１又は２に記載の光照射器。3. The light irradiator according to claim 1 or 2, wherein the light emitting diodes are integrated in a microlens-shaped airtight package. 【請求項４】 電源電池を内蔵し、該電源電池によって
前記発光ダイオードを発光させることを特徴とする請求
項１又は２又は３に記載の光照射器。4. The light irradiator according to claim 1, wherein the light emitting diode is caused to emit light by a built-in power supply battery.
JP28550894A 1994-11-18 1994-11-18 Light irradiator Expired - Fee Related JP3270269B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28550894A JP3270269B2 (en) 1994-11-18 1994-11-18 Light irradiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28550894A JP3270269B2 (en) 1994-11-18 1994-11-18 Light irradiator

Publications (2)

Publication Number Publication Date
JPH08141001A true JPH08141001A (en) 1996-06-04
JP3270269B2 JP3270269B2 (en) 2002-04-02

Family

ID=17692442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28550894A Expired - Fee Related JP3270269B2 (en) 1994-11-18 1994-11-18 Light irradiator

Country Status (1)

Country Link
JP (1) JP3270269B2 (en)

Cited By (19)

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WO1999035995A1 (en) * 1998-01-20 1999-07-22 Kerr Corporation Apparatus and method for curing materials with radiation
WO2000067660A1 (en) * 1999-05-06 2000-11-16 Martin Geoffrey Young Curing device and method
WO2001019280A1 (en) 1999-09-10 2001-03-22 3M Espe Ag Irradiation unit
FR2798582A1 (en) * 1999-09-20 2001-03-23 Decaudin Jean Michel APPARATUS FOR PHOTO ACTIVATION OF PHOTOSENSITIVE COMPOSITE MATERIALS USED IN PARTICULAR IN THE DENTAL FIELD
US6419483B1 (en) 2000-03-01 2002-07-16 3M Innovative Properties Company Method and apparatus for curling light-curable dental materials
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JP2004505665A (en) * 2000-08-04 2004-02-26 カー　コーポレイション Apparatus and method for curing materials using light radiation
EP1457169A1 (en) * 2003-03-13 2004-09-15 GC Corporation Photoirradiation device and fibre rod
KR100547259B1 (en) * 2004-03-30 2006-01-26 주식회사 인비지테크 LEDs having a wide wavelength band and a photopolymerizer using the same
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US7645056B1 (en) 1997-09-25 2010-01-12 Koninklijke Philips Electronics N V Optical irradiation device having LED and heat pipe
US9693846B2 (en) 2009-04-02 2017-07-04 Kerr Corporation Dental light device
US9726435B2 (en) 2002-07-25 2017-08-08 Jonathan S. Dahm Method and apparatus for using light emitting diodes for curing
US9730778B2 (en) 2009-04-02 2017-08-15 Kerr Corporation Curing light device
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US8096691B2 (en) 1997-09-25 2012-01-17 Koninklijke Philips Electronics N V Optical irradiation device
US6692251B1 (en) 1998-01-20 2004-02-17 Kerr Corporation Apparatus and method for curing materials with light radiation
US7066733B2 (en) 1998-01-20 2006-06-27 Kerr Corporation Apparatus and method for curing materials with light radiation
US7210930B2 (en) 1998-01-20 2007-05-01 Kerr Corporation Apparatus and method for curing materials with radiation
WO1999035995A1 (en) * 1998-01-20 1999-07-22 Kerr Corporation Apparatus and method for curing materials with radiation
US6200134B1 (en) 1998-01-20 2001-03-13 Kerr Corporation Apparatus and method for curing materials with radiation
US9622839B2 (en) 1998-01-20 2017-04-18 Kerr Corporation Apparatus and method for curing materials with radiation
WO2000067660A1 (en) * 1999-05-06 2000-11-16 Martin Geoffrey Young Curing device and method
WO2001019280A1 (en) 1999-09-10 2001-03-22 3M Espe Ag Irradiation unit
US6932599B1 (en) 1999-09-10 2005-08-23 3M Espe Ag Irradiation unit
FR2798582A1 (en) * 1999-09-20 2001-03-23 Decaudin Jean Michel APPARATUS FOR PHOTO ACTIVATION OF PHOTOSENSITIVE COMPOSITE MATERIALS USED IN PARTICULAR IN THE DENTAL FIELD
US6419483B1 (en) 2000-03-01 2002-07-16 3M Innovative Properties Company Method and apparatus for curling light-curable dental materials
JP2004505665A (en) * 2000-08-04 2004-02-26 カー　コーポレイション Apparatus and method for curing materials using light radiation
JP2011235132A (en) * 2000-08-04 2011-11-24 Kerr Corp Apparatus and method for curing material with light radiation
JP2003227974A (en) * 2001-12-10 2003-08-15 Teledyne Lighting & Display Products Inc Extraction of light from LED using light pipe
WO2003096925A1 (en) 2002-05-21 2003-11-27 3M Espe Ag Radiation device
US8415647B2 (en) 2002-05-21 2013-04-09 3M Innovative Properties Company Irradiation appliance
US9726435B2 (en) 2002-07-25 2017-08-08 Jonathan S. Dahm Method and apparatus for using light emitting diodes for curing
JP2006520679A (en) * 2003-02-06 2006-09-14 アクゾ ノーベル コーティングス インターナショナル ビー ヴィ Spray gun and method for applying actinic radiation curable coating
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