JPH07507472A - 充実性腫瘍,皮質機能および神経撮像 - Google Patents
充実性腫瘍,皮質機能および神経撮像Info
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- JPH07507472A JPH07507472A JP6501728A JP50172894A JPH07507472A JP H07507472 A JPH07507472 A JP H07507472A JP 6501728 A JP6501728 A JP 6501728A JP 50172894 A JP50172894 A JP 50172894A JP H07507472 A JPH07507472 A JP H07507472A
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
- A61B5/14553—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases specially adapted for cerebral tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
- A61B5/4094—Diagnosing or monitoring seizure diseases, e.g. epilepsy
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- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
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- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4029—Detecting, measuring or recording for evaluating the nervous system for evaluating the peripheral nervous systems
- A61B5/4041—Evaluating nerves condition
- A61B5/4047—Evaluating nerves condition afferent nerves, i.e. nerves that relay impulses to the central nervous system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4058—Detecting, measuring or recording for evaluating the nervous system for evaluating the central nervous system
- A61B5/4064—Evaluating the brain
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
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Abstract
Description
Claims (15)
- 1.注目部位に位面する充実性腫瘍組織の縁部および大きさを撮像するに当たり 、(a)染料により吸収される電磁放射線の波長を含む電磁放射線により注目部 位を照射し、 (b)注目部位のビデオ信号をフレーム列として得るとともにこのフレーム列を 処理して平均化された制御像を得、 (c)注目部位に循環する血管内にボーラス注入により染料を導入し、(d)注 目部位の一連の次のフレームを時間に対して得るとともに次のフレーム列を処理 して次の平均化像を得、 (e)各々次のフレーム列と処理された平均化制御像とを比較して一連の差分像 を得、且つ (f)充実性腫瘍組織の輪郭である注目部位内の変化した吸収の証拠として各差 分像を比較して腫瘍組織が染料を一層迅速に吸収するとともに一層長く保持する ことを特徴とする充実性腫瘍組織の辰部および大きさを撮像する方法。
- 2.前記染料を、インドシアニングリーン、ヘマトポルフィリン、フルオレセイ ン、フルオレスカミン、NP■■、BPD、エバンスブルー、およびその組合せ より成る群から選択することを特徴とする請求項1に記載の充実性腫瘍組織の縁 部および大きさを撮像する方法。
- 3.各画素の変化速度および大きさは、(a)染料により吸収される電磁放射線 の波長に対し各画素のベースライン値を決め、 (b)染料を血管に注入し、 (c)電磁放射線の特定の波長に対し画素値の次の列を得、(d)次の平均化像 から第1平均化像フレームを差分的に合成して差分像を得、(e)この差分像を アナログ像に重畳すること、によって比較することを特徴とする請求項1に記載 の充実性腫瘍組織の縁部および大きさを撮像する方法。
- 4.患者の皮質の重要な機能領および機能不全領を光学的に撮像するに当たり、 (a)高強度の電磁放射線により注目部位を照射し、(b)注目部位のビデオ信 号をフレーム列として得るとともにこのフレーム列を処理して平均化された制御 像を得、 (c)患者のパラダイムを注入して内在信号を刺激し、(d)注目部位の一連の 次のフレームを時間に対して得るとともに次のフレーム列を処理して次の平均化 像を得、 (e)各々次の平均化像と平均化制御像とを比較して一連の差分像を得、且つ( f)注目部位内の内在信号の証拠として各差分像を比較して内在信号が差分像の 信号として表される反射特性の変化によって特徴付けられることを特徴とする充 実性腫瘍組織の縁部および大きさを撮像する方法。
- 5.(a)アナログビデオ信号を得る手段およびこのアナログビデオ信号を処理 して平均化制御像または次の平均化像を得る手段と、(b)複数の平均化像およ び平均化制御像を得るとともに解析して差分像を得、この差分像を処理して動き および雑音を計数し装置のダイナミック範囲を横切る変化を増幅する手段と、 (c)差分像のみ、またはアナログビデオ像上に重畳された差分像を表示する手 段とを具える装置によって内在信号を検出することを特徴とする請求項4に記載 の充実性腫瘍組織の縁部および大きさを撮像する方法。
- 6.アナログビデオ信号を処理して平均化制御像または次の平均化像を得る手段 は、 (a)アナログビデオ信号をデジタル化し、且つこのデジタル化信号をある完全 なダイナミック範囲に亘つて処理する手段と、(b)一連のフレームを平均化し て平均化像を形成するとともにこの平均化像フレームからのデータを第1フレー ムバッファに記憶する手段と、(c)各々次の処理されたデジタル化撮像データ を第2フレームバッファに記憶する手段と、 (d)前記平均化制御像と前記第1および第2フレームバッファからの次の平均 化像とを減算的に合成して第3フレームバッファに記憶される差分像を形成し、 (e)前記差分像を処理して全ダイナミック範囲に亘り像を伸張する手段と、( f)前記差分像をカラー符号化する手段と、(g)重畳されたカラー符号化差分 像を監視するモニタとを具えることを特徴とする請求項5に記載の充実性腫瘍組 織の縁部および大きさを撮像する方法。
- 7.腫瘍組織を撮像する装置は、 (a)アナログビデオ信号を得る手段およびこのアナログビデオ信号を処理して 平均化制御像又は次の像を得る手段と、(b)複数の平均化像および平均化制御 像を得るとともに解析して差分像を得、この差分像を処理して動きおよび雑音を 計数し装置のダイナミック範囲を横切る変化を増幅する手段と、 (c)差分像のみ、またはアナログビデオ像上に重畳された差分像を表示する手 段とを具えることを特徴とする腫瘍組織撮像装置。
- 8.アナログビデオ信号を処理して平均化制御像または次の平均化像を得る手段 は、 (a)アナログビデオ信号をデジタル化し、且つこのデジタル化信号をある完全 なダイナミック範囲に亘って処理する手段と、(b)一連のフレームを平均化し て平均化制御像を形成するとともにこの平均化制御像からのデータを第1フレー ムバッファに記憶する手段と、(c)各々次の処理されたデジタル化撮像データ を第2フレームバッファに記憶する手段と、 (d)前記平均化制御像と前記第1および第2フレームバッファからの次の平均 化像とを減算的に合成して第3フレームバッファに記憶される差分像を形成(e )前記差分像を処理して全ダイナミック範囲に亘り像を伸張する手段と、(f) 前記差分像をカラー符号化する手段と、(g)アナログビデオ像上に前記カラー 符号化差分像を重畳する手段およびこのカラー符号化差分像を監視するモニタと を具えることを特徴とする請求項7に記載の腫瘍組織撮像装置。
- 9.前記比較ステップ(eおよびf)は少なくとも2つの像を差分的に合成して デジタル像を得る手段を具え、前記2つの像は幾何学的に変換することにより相 互に空間的に変換することを特徴とする請求項7に記載の腫瘍組織撮像装置、ま たは請求項5に記載の充実性腫瘍組織の縁部および大きさを撮像する方法。
- 10.前記ステップ(d)および(e)は前記平均化制御像から次の平均化像を 減算して第1差分像を得るとともにこの次の平均化像から前記平均化制御像を減 算して第2差分像を得、且つこれら第1差分像および前記第2差分像を加算して 増加したニューロン活動の領域および禁止されたニューロン活動の領域を示す和 の差分像を形成することを特徴とする請求項8に記載の腫瘍組織差撮像装置、ま たは請求項6に記載の充実性腫瘍組織の縁部および大きさを撮像する方法。
- 11.末梢神経又は脳神経に対する損傷を撮像するに当たり、(a)損傷の疑わ しき箇所およびその上流の領域を含む重要な末梢神経又は脳神経を具える注目部 位を電磁波放射線で照射し、(b)注目部位のビデオ信号を一連のフレームとし て得るとともにこれらフレーム列を処理して平均化制御像を得、 (c)損傷の疑わしき箇所の上流の箇所の末梢神経又は脳神経を刺激し、(d) 刺激時にフレームの次の列を得るとともにこれらフレームの次の列を処理して次 の平均化像を得、 (e)次の平均化像から平均化制御像を減算して差分像を得て末梢神経又は脳神 経の活性領域を撮像し、これにより、刺激された神経からの内在信号が急激に終 端するか、または差分像に変換される神経の箇所に沿う点として神経ブロックを 撮像することを特徴とする末梢神経又は脳神経に対する損傷を撮像する方法。
- 12.無損傷皮膚および/または骨の下側に位置する注目部位に位置する充実性 腫瘍組織を撮像するに当たり、 (a)注目部位を電磁波放射線の赤外領域で照射し、(b)注目部位のビデオ信 号を一連のフレームとして得るとともにこれらフレーム列を処理して平均化制御 像得、 (c)注目部位に循環する血管内にボーラス注入により染料を導入し、この染料 が前記皮膚および骨組織を経て浸透し得る前記赤外スペクトルの領域の電磁波放 射線を吸収し、 (d)注目部位の一連のビデオ像を次のフレーム列として時間に対して得るとと もにそれぞれ次のフレーム列を処理して次の平均化像を得、(e)各々次のフレ ームと処理された平均化制御フレームとを比較して一連の差分像を得、且つ (f)充実性腫瘍組織の輪郭である注目部位内の変化した吸収の証拠として各差 分像を比較して腫瘍組織が染料を一層迅速に吸収するとともに一層長く保持する ことを特徴とする注目部位に位置する充実性腫瘍組織の撮像方法。
- 13.各画素の吸収の変化度は、 (a)染料により吸収される電磁放射線の波長に対し各画素のベースライン値を 決め、 (b)染料を血管に注入し、 (c)電磁放射線の特定の波長に対し画素値の次の列を得、(d)次の像から第 1平均像フレームを差分的に合成して差分像を得、(e)この差分像をアナログ 像に重畳すること、によって比較することを特徴とする請求項12に記載の注目 部位に位置する充実性腫瘍組織の撮像方法。
- 14.無損傷皮膚および/または骨の下側に位置するCNS内の重要な機能領域 または機能不全領域を撮像するに当たり、(a)電磁放射線の赤外領域により注 目部位を照射し、(b)注目部位のビデオ信号をフレーム列として得るとともに このフレーム列を処理して平均化された制御像を得、 (c)患者にパラダイムを注入して内在信号を刺激し、(d)注目部位の一連の ビデオ像を次のフレーム列として時間に対して得るとともにそれぞれ次のフレー ム列を処理して次の平均化像を得、(e)各々次のフレーム列と処理された平均 化制御フレームとを比較して一連の差分像を得、且つ(f)充実性腫瘍組織の輪 郭である注目部位内の変化した吸収の証拠として各差分像を比較して腫瘍組織が 染料を一層迅速に吸収するとともに一層長く保持することを特徴とする重要な機 能領域または機能不全領域の撮像方法。
- 15.各面素の吸収率変化は、 (a)染料により吸収される電磁放射線の波長に対し各画素のベースライン値を 決め、(b)染料を血管に注入し、 (c)電磁放射線の特定の波長に対し画素値の次の列を得、(d)次の像から第 1平均像フレームを差分的に合成して差分像を得、(e)この差分像をアナログ 像に重畳すること、によって比較することを特徴とする請求項14に記載の注目 部位に位置する充実性腫瘍組織の撮像方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US07/894,270 US5438989A (en) | 1990-08-10 | 1992-06-08 | Solid tumor, cortical function, and nerve tissue imaging methods and device |
US894,270 | 1992-06-08 | ||
PCT/US1993/005573 WO1993025141A1 (en) | 1992-06-08 | 1993-06-07 | Solid tumor, cortical function, and nerve imaging |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004035811A Division JP3848329B2 (ja) | 1992-06-08 | 2004-02-12 | 患者の注目部位の光学特性の変化を画像化する方法 |
Publications (1)
Publication Number | Publication Date |
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JPH07507472A true JPH07507472A (ja) | 1995-08-24 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP6501728A Pending JPH07507472A (ja) | 1992-06-08 | 1993-06-07 | 充実性腫瘍,皮質機能および神経撮像 |
JP2004035811A Expired - Fee Related JP3848329B2 (ja) | 1992-06-08 | 2004-02-12 | 患者の注目部位の光学特性の変化を画像化する方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004035811A Expired - Fee Related JP3848329B2 (ja) | 1992-06-08 | 2004-02-12 | 患者の注目部位の光学特性の変化を画像化する方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5438989A (ja) |
EP (1) | EP0644737B1 (ja) |
JP (2) | JPH07507472A (ja) |
AT (1) | ATE222725T1 (ja) |
AU (2) | AU666569B2 (ja) |
CA (1) | CA2136634C (ja) |
DE (1) | DE69332244T2 (ja) |
ES (1) | ES2184742T3 (ja) |
WO (1) | WO1993025141A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US7328059B2 (en) | 1996-08-23 | 2008-02-05 | The Texas A & M University System | Imaging of light scattering tissues with fluorescent contrast agents |
US7865230B1 (en) | 1997-02-07 | 2011-01-04 | Texas A&M University System | Method and system for detecting sentinel lymph nodes |
JP2004523257A (ja) * | 2000-11-09 | 2004-08-05 | サイセル・テクノロジーズ,インコーポレイテッド | 蛍光タグを使用した生体分子濃縮物をインビボで検出するための方法、回路、および物質の組成物 |
US7599732B2 (en) | 2003-06-20 | 2009-10-06 | The Texas A&M University System | Method and system for near-infrared fluorescence contrast-enhanced imaging with area illumination and area detection |
Also Published As
Publication number | Publication date |
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JP3848329B2 (ja) | 2006-11-22 |
AU5227896A (en) | 1996-07-11 |
ES2184742T3 (es) | 2003-04-16 |
WO1993025141A1 (en) | 1993-12-23 |
EP0644737A4 (en) | 1995-08-23 |
DE69332244D1 (de) | 2002-10-02 |
EP0644737A1 (en) | 1995-03-29 |
CA2136634C (en) | 2003-10-14 |
CA2136634A1 (en) | 1993-12-23 |
ATE222725T1 (de) | 2002-09-15 |
DE69332244T2 (de) | 2003-12-04 |
US5438989A (en) | 1995-08-08 |
AU4532493A (en) | 1994-01-04 |
JP2004255180A (ja) | 2004-09-16 |
EP0644737B1 (en) | 2002-08-28 |
AU666569B2 (en) | 1996-02-15 |
AU695898B2 (en) | 1998-08-27 |
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