JP2017525424A - 歯科コンフォーカル画像化のための装置 - Google Patents
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- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
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- G02B6/0033—Means for improving the coupling-out of light from the light guide
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- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/50—Using chromatic effects to achieve wavelength-dependent depth resolution
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B2006/0098—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings for scanning
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Abstract
Description
本明細書において言及される全ての発行物、特許、及び特許出願は、個々の発行物、特許、又は特許出願のそれぞれが、参照によって組み込まれるものとして具体的かつ個別に示されているのと同程度に、参照によって全内容が本明細書に組み込まれている。
本発明の実施形態は、例えば歯の表面トポロジーを測定するためのような、歯科コンフォーカル画像化のための方法及び装置に向けられている。
歯科矯正学及び歯科補綴学の分野においては、異なる方法が、患者の口の現在の歯のトポロジーを決定するために知られている。方法の1つは、患者の歯列の印象をとることを含む。この印象を用いるとき、石膏模型が生成され、(ポジティブ)物理的歯モデルを表している。この物理的歯モデルは、この後、後に続く治療計画のために用いられ得る。
Claims (18)
- コンフォーカル画像化のための装置であり、
ライトビームのアレイを生成するための照射モジュールと、
ライトビームの前記アレイのコンフォーカルフォーカスのための光学システムと、
入射面及び出射面を有するライトガイドパーツを有するプローブヘッドと、を備え、
前記照射モジュール、前記光学システム、及び前記プローブヘッドは、前記照射モジュールからのライトビームの前記アレイが前記光学システムを介して通過し、前記入射面を介して前記ライトガイドパーツに入り、及び前記出射面を介して前記ライトガイドパーツを出るように、設けられており、
前記光学システムは、前記光学システムを介して通過した後に、前記光学システムの光軸に関する前記最外ライトビームの前記最外縁光線が、前記光軸に対して平行又は発散するように、構成されている、
装置。 - 前記ライトガイドパーツは、透光ボディを備える、請求項1に記載の装置。
- 前記ライトガイドパーツは、ライトビームの前記アレイが前記入射面に関して略90°の角度で前記ライトガイドパーツに入るように設けられている、
請求項1に記載の装置。 - 前記ライトガイドパーツは側壁によって包まれており、及び、前記ライトガイドパーツは、前記入射面を介して前記ライトガイドパーツに入る各ライトビームが、前記出射面を介して出る前に、奇数回、特に、3又は5回、前記側壁にて反射されるように、設けられる、
請求項1に記載の装置。 - 請求項1に記載の装置であり、前記ライトガイドパーツは、前記入射面を介して入る各ライトビームが、内部反射経由で前記ライトガイドパーツの前記側壁の少なくとも1つで反射されるように、設けられ及び/又は構成される、
請求項1に記載の装置。 - 前記ライトガイドパーツは、1部品ボディを構成する、
請求項1に記載の装置。 - 前記ライトガイドパーツは、前記入射面に隣接しており、前記入射面に関して鋭角で設けられているような上側側壁、前記入射面に隣接しており、前記入射面に関して鈍角で設けられているような下側側壁、及び、前記上側側壁及び/又は前記下側側壁に隣接しており前記入射面及び/又は前記出射面に関して鋭角で設けられているような末端側壁を備える、
請求項1に記載の装置。 - 前記末端側壁は、ミラーを備える、
請求項7に記載の装置。 - 前記入射面と前記下側側壁との間の前記角は、90°及び125°の間にある、
請求項7に記載の装置。 - 前記出射面は、透光カバープレートによってカバーされている、
請求項1に記載の装置。 - 前記照射モジュールは、レーザーエミッタのような、単一又は複数のライトエミッタを備える、
請求項1に記載の装置。 - 前記照射モジュールからのライトビームの前記アレイがビームスプリッタを介して通過し、前記光学モジュールからのライトビームの戻りアレイが反射されるように、前記照射モジュール及び前記光学システムの間の前記光路に沿って設けられている前記ビームスプリッタ、を更に備える、
請求項1に記載の装置。 - ライトビームの戻りアレイを検出するための検出器、を更に備える、
請求項1に記載の装置。 - 前記光学システムのフォーカル平面をシフトするためのフォーカスシフトメカニズム、を更に備える、
請求項1に記載の装置。 - 前記フォーカスシフトメカニズムは、前記光軸に沿って前記光学システムの1つ以上のレンズをシフトするように構成されている、
請求項14に記載の装置。 - コンフォーカル画像化のための装置であり、
ライトビームのアレイを生成するための照射モジュールと、
ライトビームの前記アレイのコンフォーカルフォーカスのための光学システムと、
入射面及び出射面を有するライトガイドパーツを有するプローブヘッドと、を備え、
前記照射モジュール、前記光学システム、及び前記プローブヘッドは、ライトビームの前記アレイの主光線が相互に発散するように、設けられている、
装置。 - 前記アレイの各ビームは各主光線及び各縁光線を画定しており、前記照射モジュール、当該各縁光線は、当該各主光線に関して集束角を有しており、前記光学システム及び前記プローブヘッドは、ビームの当該アレイの外側ビームの主光線が、前記プローブヘッドの光軸に関する発散角を有しており、当該発散角が当該集束角を補足するように設けられる、
請求項16に記載の装置。 - コンフォーカル画像化のための方法であり、
ライトビームのアレイを生成するための照射モジュールを提供するステップと、
ライトビームの前記アレイのコンフォーカルフォーカスのための光学システム、及び、光軸と入射面と出射面とを有するライトガイドパーツを有するプローブヘッドを提供するステップと、を含み、
前記光学システムは、前記光学システムを介して通過した後に、前記光軸に関する最外ライトビームの最外縁光線が、前記プローブヘッド及び前記ライトビームのフォーカルポイントの間の前記光軸に関して平行又は発散するように、構成されている、
方法。
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JP2020172428A JP7383595B2 (ja) | 2014-07-07 | 2020-10-13 | 口腔内の画像化のための装置及びコンフォーカル画像化のための装置 |
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PCT/IB2015/054950 WO2016005856A1 (en) | 2014-07-07 | 2015-07-01 | Apparatus for dental confocal imaging |
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EP (2) | EP3166531B2 (ja) |
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KR (1) | KR101874269B1 (ja) |
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AU (1) | AU2015287312B2 (ja) |
CA (1) | CA2949448C (ja) |
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