JP2006528508A - 管内で測定を実行する手段 - Google Patents
管内で測定を実行する手段 Download PDFInfo
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- JP2006528508A JP2006528508A JP2006520954A JP2006520954A JP2006528508A JP 2006528508 A JP2006528508 A JP 2006528508A JP 2006520954 A JP2006520954 A JP 2006520954A JP 2006520954 A JP2006520954 A JP 2006520954A JP 2006528508 A JP2006528508 A JP 2006528508A
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- 238000002591 computed tomography Methods 0.000 description 1
- 238000007887 coronary angioplasty Methods 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
- G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Hematology (AREA)
- Radar, Positioning & Navigation (AREA)
- Fluid Mechanics (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aviation & Aerospace Engineering (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Acoustics & Sound (AREA)
- Radiology & Medical Imaging (AREA)
- Physiology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
Claims (14)
- 流体中の流れを測定する装置であって、
前記流体中にキャビテーションバブルを生成するキャビテーションユニットと、
前記キャビテーションユニットによって生成されたキャビテーションバブルの動きを検出する粒子測定ユニットとを有する装置。 - 前記キャビテーションユニットは、キャビテーション光レーザ源および/または超音波源を有することを特徴とする、請求項1に記載の装置。
- 前記粒子測定ユニットは、位相ドップラー流速計および/またはドップラーシフトを用いて粒子の動きを測定するようになっていることを特徴とする、請求項1に記載の装置。
- 前記粒子測定ユニットは、前記粒子によって発せられた光から粒子の動きを求めるようになっていることを特徴とする、請求項1に記載の装置。
- インベイシブインターベンションのための装置であって、カテーテルを有し、該カテーテルは、該カテーテルの先端に配置され、該カテーテルの外に位置する焦点領域から選択的に光を受光することができ、および/または、光を前記焦点領域に照射することができる光ユニットを有し、この過程において前記焦点領域の半径方向の位置を外部的に調節することができる装置。
- 前記光ユニットは、前記カテーテルに対して前記カテーテルの軸の周りで回転することができることを特徴とする、請求項5に記載の装置。
- 前記カテーテルは、前記光ユニットを前記カテーテルの根元に接続する光導波路の束を有することを特徴とする、請求項5に記載の装置。
- 前記焦点領域の位置を系統的に変えるようになっており、前記焦点領域の特徴的な特性に関し、前記それぞれの焦点領域から前記光ユニットによって取得される光を分析するようになっている走査ユニットを有することを特徴とする、請求項5に記載の装置。
- 前記焦点領域から取得された光のスペクトル分析のための分光計を有することを特徴とする、請求項5に記載の装置
- 前記光ユニットを介して位相ドップラー流速計のための変調された光場を前記焦点領域に生成するようになっている粒子測定ユニットを有することを特徴とする、請求項5に記載の装置。
- 物質との相互作用の結果として生じる前記焦点領域における局所プロセスを開始するために、前記光ユニットを介して前記焦点領域に光を注入するようになっている活性化ユニットを有することを特徴とする、請求項5に記載の装置。
- 前記活性化ユニットは、キャビテーション光レーザ源を有し、前記焦点領域にキャビテーションバブルを生成するようになっていることを特徴とする、請求項11に記載の装置。
- 流体の流れを測定する方法であって、キャビテーションバブルが前記流体中に生成され、前記キャビテーションバブルの動きが観察される方法。
- 管の壁の位置を求める方法であって、前記管内を連続的に変位される焦点領域から光が取得され、前記取得された光の質変化が検出される方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03102292 | 2003-07-25 | ||
PCT/IB2004/051207 WO2005009233A1 (en) | 2003-07-25 | 2004-07-13 | Means for performing measurements in a vessel |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006528508A true JP2006528508A (ja) | 2006-12-21 |
JP2006528508A5 JP2006528508A5 (ja) | 2007-08-30 |
Family
ID=34089694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006520954A Pending JP2006528508A (ja) | 2003-07-25 | 2004-07-13 | 管内で測定を実行する手段 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080058647A1 (ja) |
EP (1) | EP1651105A1 (ja) |
JP (1) | JP2006528508A (ja) |
WO (1) | WO2005009233A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018075404A (ja) * | 2010-01-08 | 2018-05-17 | オプティメディカ・コーポレイション | 目組織および人工水晶体の変更システム |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004075756A1 (en) * | 2003-02-25 | 2004-09-10 | Philips Intellectual Property & Standards Gmbh | Intravascular imaging |
JP2008545500A (ja) * | 2005-06-07 | 2008-12-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | レーザ光学フィードバック断層撮影センサ及び方法 |
US20100185106A1 (en) * | 2006-08-09 | 2010-07-22 | Koninklijke Philips Electronics N.V. | Light-emitting apparatus, particularly for flow measurements |
CN102743191B (zh) * | 2012-06-28 | 2014-06-25 | 华南师范大学 | 聚焦式旋转扫描光声超声血管内窥成像装置及其成像方法 |
JP5945529B2 (ja) * | 2013-12-25 | 2016-07-05 | 本田技研工業株式会社 | 微粒子撮影装置及び流速計測装置 |
US9850750B1 (en) * | 2016-06-16 | 2017-12-26 | Baker Hughes, A Ge Company, Llc | Sonoluminescence spectroscopy for real-time downhole fluid analysis |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54121769A (en) * | 1978-03-15 | 1979-09-21 | Toshiba Corp | Ultrasonic flowmeter |
JPH06294670A (ja) * | 1993-04-08 | 1994-10-21 | Kaijo Corp | ドップラー式超音波流量/流速測定装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4316391A (en) * | 1979-11-13 | 1982-02-23 | Ultra Med, Inc. | Flow rate measurement |
US5041108A (en) * | 1981-12-11 | 1991-08-20 | Pillco Limited Partnership | Method for laser treatment of body lumens |
US20020045811A1 (en) * | 1985-03-22 | 2002-04-18 | Carter Kittrell | Laser ablation process and apparatus |
US4662749A (en) * | 1985-11-08 | 1987-05-05 | Massachusetts Institute Of Technology | Fiber optic probe and system for particle size and velocity measurement |
SE8901358D0 (sv) * | 1989-04-14 | 1989-04-14 | Radi Medical System | Saett att maeta floedet i ett blodkaerl samt anordning haerfoer |
US5109859A (en) * | 1989-10-04 | 1992-05-05 | Beth Israel Hospital Association | Ultrasound guided laser angioplasty |
US5116227A (en) * | 1991-03-01 | 1992-05-26 | Endo Technic Corporation | Process for cleaning and enlarging passages |
US6166806A (en) * | 1995-09-29 | 2000-12-26 | Tjin; Swee Chuan | Fiber optic catheter for accurate flow measurements |
US6538739B1 (en) * | 1997-09-30 | 2003-03-25 | The Regents Of The University Of California | Bubble diagnostics |
CA2306867A1 (en) * | 1997-10-21 | 1999-04-29 | The Regents Of The University Of California | Photoacoustic removal of occlusions from blood vessels |
WO2001091661A1 (en) * | 2000-06-01 | 2001-12-06 | The General Hospital Corporation | Selective photocoagulation |
US6960307B2 (en) * | 2002-01-18 | 2005-11-01 | Leclair Mark L | Method and apparatus for the controlled formation of cavitation bubbles |
-
2004
- 2004-07-13 EP EP04744566A patent/EP1651105A1/en not_active Withdrawn
- 2004-07-13 WO PCT/IB2004/051207 patent/WO2005009233A1/en active Application Filing
- 2004-07-13 US US10/565,933 patent/US20080058647A1/en not_active Abandoned
- 2004-07-13 JP JP2006520954A patent/JP2006528508A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54121769A (en) * | 1978-03-15 | 1979-09-21 | Toshiba Corp | Ultrasonic flowmeter |
JPH06294670A (ja) * | 1993-04-08 | 1994-10-21 | Kaijo Corp | ドップラー式超音波流量/流速測定装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018075404A (ja) * | 2010-01-08 | 2018-05-17 | オプティメディカ・コーポレイション | 目組織および人工水晶体の変更システム |
Also Published As
Publication number | Publication date |
---|---|
EP1651105A1 (en) | 2006-05-03 |
WO2005009233A1 (en) | 2005-02-03 |
US20080058647A1 (en) | 2008-03-06 |
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