CA2617001A1 - Technique d'estimation bidimensionnelle pour tomographie doppler a coherence optique - Google Patents
Technique d'estimation bidimensionnelle pour tomographie doppler a coherence optique Download PDFInfo
- Publication number
- CA2617001A1 CA2617001A1 CA 2617001 CA2617001A CA2617001A1 CA 2617001 A1 CA2617001 A1 CA 2617001A1 CA 2617001 CA2617001 CA 2617001 CA 2617001 A CA2617001 A CA 2617001A CA 2617001 A1 CA2617001 A1 CA 2617001A1
- Authority
- CA
- Canada
- Prior art keywords
- optical
- radiation
- interferometer
- source
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000012014 optical coherence tomography Methods 0.000 title abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 76
- 230000005855 radiation Effects 0.000 claims description 63
- 230000001427 coherent effect Effects 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 13
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- 206010003210 Arteriosclerosis Diseases 0.000 description 1
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Classifications
-
- 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
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0066—Optical coherence imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radiology & Medical Imaging (AREA)
- Multimedia (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2617001 CA2617001A1 (fr) | 2008-01-07 | 2008-01-07 | Technique d'estimation bidimensionnelle pour tomographie doppler a coherence optique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2617001 CA2617001A1 (fr) | 2008-01-07 | 2008-01-07 | Technique d'estimation bidimensionnelle pour tomographie doppler a coherence optique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2617001A1 true CA2617001A1 (fr) | 2009-07-07 |
Family
ID=40848314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2617001 Abandoned CA2617001A1 (fr) | 2008-01-07 | 2008-01-07 | Technique d'estimation bidimensionnelle pour tomographie doppler a coherence optique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2617001A1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657519A (zh) * | 2012-05-11 | 2012-09-12 | 浙江大学 | 基于oct的大动态范围流速的高灵敏度测量系统及方法 |
| CN105962975A (zh) * | 2016-06-08 | 2016-09-28 | 深圳市斯尔顿科技有限公司 | 一种去除多普勒oct装置中背景多普勒的方法及系统 |
| CN111829954A (zh) * | 2020-09-09 | 2020-10-27 | 广东工业大学 | 一种提高全场扫频光学相干层析测量量程的系统及方法 |
-
2008
- 2008-01-07 CA CA 2617001 patent/CA2617001A1/fr not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657519A (zh) * | 2012-05-11 | 2012-09-12 | 浙江大学 | 基于oct的大动态范围流速的高灵敏度测量系统及方法 |
| CN105962975A (zh) * | 2016-06-08 | 2016-09-28 | 深圳市斯尔顿科技有限公司 | 一种去除多普勒oct装置中背景多普勒的方法及系统 |
| CN111829954A (zh) * | 2020-09-09 | 2020-10-27 | 广东工业大学 | 一种提高全场扫频光学相干层析测量量程的系统及方法 |
| CN111829954B (zh) * | 2020-09-09 | 2023-07-25 | 广东工业大学 | 一种提高全场扫频光学相干层析测量量程的系统及方法 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| EEER | Examination request |
Effective date: 20121220 |
|
| FZDE | Dead |
Effective date: 20180430 |