JP4067407B2 - 生体内での比色分析の異常を検出するための方法およびシステム - Google Patents
生体内での比色分析の異常を検出するための方法およびシステム Download PDFInfo
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Description
この発明は、生体内、特定的には胃腸(GI)管内での比色分析の異常を検出するための方法およびシステムに関する。
胃腸(GI)管の病理は、さまざまな理由で存在することが考えられる。病理のいくつかの例には、出血、病変、血管異形成症、クローン(Crohn)病、ポリープ、腹腔の疾患等が含まれる。病理の大多数は、GI管の内側表面における色および/または組織構造の変化を生じる。
この発明の一実施形態に従い、体内腔での比色分析の異常を検出するための方法が提供される。この方法は、少なくとも1つの基準値とスペクトル特性との比較に基づいて、体内腔内において異常な色が存在する確率指標を計算するステップを含む。
この発明は、可動式の生体内ビデオカメラシステムによって取り込まれた画像のスペクトル分析によって病理を検出する方法およびシステムに関する。この分析は、比色分析の異常の検出、すなわち期待されるスペクトルからの偏差に基づく。生体内ビデオカメラシステムは、内視鏡、嚥下可能なカプセル、または内部を観察するために体内に挿入される他の任意の機器に含まれ得る。
処理用に、または、後日観察される後処理用に、構成することができる。このシステムは、GI管の病理学的状態を明らかにすることに加え、これらの病理の位置に関する情報も提供することができる。
値のブロックとなる。スペクトル分析器22は、各ブロックの色の成分、すなわち、各画像に対する色相Hi,j、彩度Si,j、および輝度値Vi,jを計算する(ステップ104)。
Response)(IIR)フィルタが用いられる。
ある。
Claims (8)
- 生体内情報を表示するシステムであって、
嚥下可能生体内デバイスから生体内画像のセットを受けとり、該画像に基づいてカラーコンテントの解析を行い、前画像内の色変化を判定するデータプロセッサと、
カラービデオとして前記画像を表示するとともに、さらに血液の存在と相関を有する前記色変化について胃腸管の位置を表示する表示器とを備えていることを特徴とするシステム。 - 嚥下可能生体内デバイスを備えていることを特徴とする請求項1に記載のシステム。
- 前記生体内デバイスから信号を受信する受信装置を備えていることを特徴とする請求項1に記載のシステム。
- 前記データプロセッサがカラーコンテントの前記解析に基づいて異常性判定をおこなうようになっていることを特徴とする請求項1に記載のシステム。
- 前記異常性が血液の存在に起因するものであることを特徴とする請求項1に記載のシステム。
- 前記カラーコンテントの解析が生体内画像と健康な組織の画像とを比較する段階を備えていることを特徴とする請求項1に記載のシステム。
- 前記データプロセッサが前記画像に基づいて、画像を比較することによってカラーコンテントの解析をおこなうようになっていることを特徴とする請求項1に記載のシステム。
- 前記データプロセッサが前記画像が取得された前記胃腸管の位置を判定するようになっていることを特徴とする請求項1に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27548601P | 2001-03-14 | 2001-03-14 | |
PCT/IL2002/000210 WO2002073507A2 (en) | 2001-03-14 | 2002-03-14 | Method and system for detecting colorimetric abnormalities |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006160078A Division JP4504951B2 (ja) | 2001-03-14 | 2006-06-08 | 生体内での比色分析の異常を検出するための方法およびシステム |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004521693A JP2004521693A (ja) | 2004-07-22 |
JP2004521693A5 JP2004521693A5 (ja) | 2007-04-05 |
JP4067407B2 true JP4067407B2 (ja) | 2008-03-26 |
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JP2002572089A Expired - Fee Related JP4067407B2 (ja) | 2001-03-14 | 2002-03-14 | 生体内での比色分析の異常を検出するための方法およびシステム |
JP2006160078A Expired - Lifetime JP4504951B2 (ja) | 2001-03-14 | 2006-06-08 | 生体内での比色分析の異常を検出するための方法およびシステム |
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JP2006160078A Expired - Lifetime JP4504951B2 (ja) | 2001-03-14 | 2006-06-08 | 生体内での比色分析の異常を検出するための方法およびシステム |
Country Status (9)
Country | Link |
---|---|
US (4) | US20020177779A1 (ja) |
EP (1) | EP1372474B1 (ja) |
JP (2) | JP4067407B2 (ja) |
CN (2) | CN101305906B (ja) |
AT (1) | ATE509328T1 (ja) |
AU (1) | AU2002241215A1 (ja) |
ES (1) | ES2365696T3 (ja) |
IL (1) | IL157892A0 (ja) |
WO (1) | WO2002073507A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9324145B1 (en) | 2013-08-08 | 2016-04-26 | Given Imaging Ltd. | System and method for detection of transitions in an image stream of the gastrointestinal tract |
JP7040910B2 (ja) | 2017-10-11 | 2022-03-23 | 聡 織田 | 超音波プローブ |
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2002
- 2002-03-14 WO PCT/IL2002/000210 patent/WO2002073507A2/en active Search and Examination
- 2002-03-14 EP EP02707063A patent/EP1372474B1/en not_active Expired - Lifetime
- 2002-03-14 CN CN200810125961XA patent/CN101305906B/zh not_active Expired - Lifetime
- 2002-03-14 ES ES02707063T patent/ES2365696T3/es not_active Expired - Lifetime
- 2002-03-14 IL IL15789202A patent/IL157892A0/xx unknown
- 2002-03-14 CN CNB028098560A patent/CN100469308C/zh not_active Expired - Lifetime
- 2002-03-14 US US10/097,096 patent/US20020177779A1/en not_active Abandoned
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9324145B1 (en) | 2013-08-08 | 2016-04-26 | Given Imaging Ltd. | System and method for detection of transitions in an image stream of the gastrointestinal tract |
JP7040910B2 (ja) | 2017-10-11 | 2022-03-23 | 聡 織田 | 超音波プローブ |
Also Published As
Publication number | Publication date |
---|---|
EP1372474A2 (en) | 2004-01-02 |
CN101305906A (zh) | 2008-11-19 |
US8626268B2 (en) | 2014-01-07 |
AU2002241215A1 (en) | 2002-09-24 |
CN1509152A (zh) | 2004-06-30 |
EP1372474B1 (en) | 2011-05-11 |
ATE509328T1 (de) | 2011-05-15 |
EP1372474A4 (en) | 2007-02-28 |
US20150141782A1 (en) | 2015-05-21 |
US8918164B2 (en) | 2014-12-23 |
US20120275683A1 (en) | 2012-11-01 |
JP2004521693A (ja) | 2004-07-22 |
WO2002073507A3 (en) | 2003-10-23 |
WO2002073507A9 (en) | 2003-01-23 |
US9364139B2 (en) | 2016-06-14 |
CN100469308C (zh) | 2009-03-18 |
JP2006297118A (ja) | 2006-11-02 |
ES2365696T3 (es) | 2011-10-10 |
IL157892A0 (en) | 2004-03-28 |
JP4504951B2 (ja) | 2010-07-14 |
US20020177779A1 (en) | 2002-11-28 |
CN101305906B (zh) | 2012-02-08 |
US20140039287A1 (en) | 2014-02-06 |
WO2002073507A2 (en) | 2002-09-19 |
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