JP2023085338A - 口腔内走査装置 - Google Patents
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- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
- A61C9/0046—Data acquisition means or methods
- A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
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- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
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- A61B5/6813—Specially adapted to be attached to a specific body part
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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
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- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
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- A—HUMAN NECESSITIES
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- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
- A61C9/0046—Data acquisition means or methods
- A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
- A61C9/006—Optical means or methods, e.g. scanning the teeth by a laser or light beam projecting one or more stripes or patterns on the teeth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
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- A—HUMAN NECESSITIES
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Abstract
Description
Claims (15)
- 口腔内走査装置であって、
複数の光源を有する照明エンジンモジュールと、
光変調器と内部全反射(TIR)プリズムとを有する投影モジュールと
を有し、
前記内部全反射(TIR)プリズムは、第1および第2のプリズム素子とを有し、
前記第1のプリズム素子は内部全反射(TIR)面を有する三角形状のプリズムであり、前記第2のプリズム素子は前記内部全反射(TIR)面に隣接して配置されたプリズムであり、
前記複数の光源によって生成された光は、前記第1のプリズム素子に入射して前記光変調器に向かって反射され、さらに、前記光変調器から前記第1のプリズム素子に向かって反射されるものであり、
前記光変調器から反射された光が、第1の角度範囲で前記光変調器の表面から出射して、前記1および第2のプリズム素子を透過する場合、この光は前記内部全反射(TIR)プリズムから出射するものであり、
前記光変調器から反射された光が、第2の角度範囲で前記光変調器の表面から出射して、前記第1のプリズム素子により反射され、前記第2のプリズム素子を透過しない場合、この光は前記内部全反射(TIR)プリズムから出射しないものである、
口腔内走査装置。 - 請求項1記載の口腔内走査装置において、前記複数の光源は、赤色(R)LEDダイオードと、緑色(G)LEDダイオードと、青色(B)LEDダイオードとを有するものである、口腔内走査装置。
- 請求項1記載の口腔内走査装置において、前記複数の光源は、赤色(R)レーザーダイオードと、緑色(G)レーザーダイオードと、青色(B)レーザーダイオードとを有するものである、口腔内走査装置。
- 請求項1記載の口腔内走査装置において、前記第1のプリズム素子は直角三角形のプリズムであり、前記内部全反射(TIR)面は、45°の角度を成す面である、口腔内走査装置。
- 請求項4記載の口腔内走査装置において、前記照明エンジンモジュールおよび前記投影モジュールはレーザー投影サブシステムの一部であり、
前記レーザー投影サブシステムは、さらに、前記第1および第2のプリズム素子を透過して、前記内部全反射(TIR)プリズムから出射する光を受け取る1若しくはそれ以上の投影レンズを支持するハウジングを有するものである、口腔内走査装置。 - 請求項3記載の口腔内走査装置において、さらに、
前記照明エンジンモジュールの下流にスペックル除去モジュールを有するものである、口腔内走査装置。 - 請求項6記載の口腔内走査装置において、前記スペックル除去モジュールは、回転ディフューザディスクを有するものである、口腔内走査装置。
- 請求項6記載の口腔内走査装置において、前記スペックル除去モジュールは、前記照明エンジンモジュールによって生成されたレーザーパターンを均一化する光ホモジナイザーとして構成されたマイクロレンズアレイを有するものである、口腔内走査装置。
- 請求項1記載の口腔内走査装置において、さらに、走査装置の本体部と、光学撮像装置とを有し、
前記照明エンジンモジュールおよび前記投影モジュールはレーザー投影サブシステムの一部であり、
前記走査装置の本体部は、並列配置された前記レーザー投影サブシステムおよび光学撮像サブシステムを支持するものであり、それにより、前記走査装置の本体部のフォームファクター(form factor)が低減されるものである、
口腔内走査装置。 - 請求項1記載の口腔内走査装置において、さらに、
走査装置の本体部と、
前記走査装置の本体部に着脱自在に装着された先端部と、
前記先端部内に支持された加熱されたミラーと
を有し、
前記先端部は、前記加熱されたミラーに電力を供給する電気的接続構造を含むものである、
口腔内走査装置。 - 請求項2または3記載の口腔内走査装置において、この走査装置は、さらに、
走査される材料または走査される表面の幾何学的構造の関数として、前記赤色、緑色、および青色ダイオードを個別に、または組み合わせて選択的に作動させる機構を含むものである、口腔内走査装置。 - 請求項1記載の口腔内走査装置において、前記照明エンジンモジュールは、前記複数の光源からの光線パターンから構成された第1の投影画像を生成するものである、口腔内走査装置。
- 請求項12記載の口腔内走査装置において、前記内部全反射(TIR)プリズムから出射した前記光は、前記第1の投影画像を構成するものである、口腔内走査装置。
- 請求項1記載の口腔内走査装置において、前記照明エンジンモジュールは、前記複数の光源からの光線パターンから構成された第1の投影画像、または全照明フレームを有する第2の投影画像を選択的に生成するように構成されているものである、
口腔内走査装置。 - 請求項14記載の口腔内走査装置において、前記内部全反射(TIR)プリズムから出射した前記光は、前記第1の投影画像、または前記第2の投影画像を構成するものである、口腔内走査装置。
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US201762543557P | 2017-08-10 | 2017-08-10 | |
US62/543,557 | 2017-08-10 | ||
US16/059,915 | 2018-08-09 | ||
JP2020530438A JP7248680B2 (ja) | 2017-08-10 | 2018-08-09 | 口腔内走査装置 |
PCT/US2018/046144 WO2019032923A2 (en) | 2017-08-10 | 2018-08-09 | INTRAORAL SCANNING DEVICE |
US16/059,915 US11648095B2 (en) | 2017-08-10 | 2018-08-09 | Intra-oral scanning device |
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JP7248680B2 (ja) * | 2017-08-10 | 2023-03-29 | ディーフォーディー テクノロジーズ エルエルシー | 口腔内走査装置 |
JP2020537550A (ja) * | 2017-08-17 | 2020-12-24 | トロフィー | 口腔内表面走査用のステンシル |
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US20190046302A1 (en) | 2019-02-14 |
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