FR2531854A1 - Appareil de mesure non invasive de la vitesse moyenne du courant sanguin dans des tissus vivants - Google Patents
Appareil de mesure non invasive de la vitesse moyenne du courant sanguin dans des tissus vivants Download PDFInfo
- Publication number
- FR2531854A1 FR2531854A1 FR8214479A FR8214479A FR2531854A1 FR 2531854 A1 FR2531854 A1 FR 2531854A1 FR 8214479 A FR8214479 A FR 8214479A FR 8214479 A FR8214479 A FR 8214479A FR 2531854 A1 FR2531854 A1 FR 2531854A1
- Authority
- FR
- France
- Prior art keywords
- light
- detector
- guide
- examination area
- laser generator
- 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.)
- Granted
Links
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- 210000003491 skin Anatomy 0.000 description 27
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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
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
-
- 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
-
- 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- 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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7253—Details of waveform analysis characterised by using transforms
- A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8214479A FR2531854A1 (fr) | 1982-08-23 | 1982-08-23 | Appareil de mesure non invasive de la vitesse moyenne du courant sanguin dans des tissus vivants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8214479A FR2531854A1 (fr) | 1982-08-23 | 1982-08-23 | Appareil de mesure non invasive de la vitesse moyenne du courant sanguin dans des tissus vivants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2531854A1 true FR2531854A1 (fr) | 1984-02-24 |
| FR2531854B1 FR2531854B1 (enExample) | 1985-03-08 |
Family
ID=9277005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8214479A Granted FR2531854A1 (fr) | 1982-08-23 | 1982-08-23 | Appareil de mesure non invasive de la vitesse moyenne du courant sanguin dans des tissus vivants |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2531854A1 (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608990A (en) * | 1983-09-12 | 1986-09-02 | Elings Virgil B | Measuring skin perfusion |
| US5339817A (en) * | 1989-10-31 | 1994-08-23 | Gert Nilsson | System and a method for measurement and presentation of fluid flow movements, particularly the flow of blood through a body organ |
| US5501226A (en) * | 1994-10-19 | 1996-03-26 | Carl Zeiss, Inc. | Short coherence length, doppler velocimetry system |
| US5598841A (en) * | 1993-09-24 | 1997-02-04 | Kowa Company Ltd. | Blood flow measurement system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3511227A (en) * | 1967-02-27 | 1970-05-12 | Univ Utah | Measurement of blood flow using coherent radiation and doppler effect |
| US4029085A (en) * | 1976-03-26 | 1977-06-14 | Purdue Research Foundation | Method for determining bilirubin concentration from skin reflectance |
| DE2714748A1 (de) * | 1976-04-01 | 1977-10-13 | Nat Res Dev | Netzhaut-blutstrom-messer |
-
1982
- 1982-08-23 FR FR8214479A patent/FR2531854A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3511227A (en) * | 1967-02-27 | 1970-05-12 | Univ Utah | Measurement of blood flow using coherent radiation and doppler effect |
| US4029085A (en) * | 1976-03-26 | 1977-06-14 | Purdue Research Foundation | Method for determining bilirubin concentration from skin reflectance |
| DE2714748A1 (de) * | 1976-04-01 | 1977-10-13 | Nat Res Dev | Netzhaut-blutstrom-messer |
Non-Patent Citations (7)
| Title |
|---|
| APPLIED OPTICS, vol. 14, no. 1, janvier 1975, (US) * |
| IEEE JOURNAL OF QUANTUM ELECTRONICS, vol. QE-17, no. 12, décembre 1981, New York (US) * |
| IEEE TRANS. ON BIOMEDICAL ENG., vol. BME-27, no. 1, janvier 1980, IEEE (US) * |
| IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, vol. BME-25, no. 1, janvier 1978, IEEE, New York (US) * |
| IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, vol. BME-29, no. 2, février 1982, New York (US) * |
| JOURNAL OPTICAL SOCIETY OF AMERICA, vol. 68, no. 4, avril 1978, Optical Society of America (US) * |
| REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 51, no. 9, septembre 1980, New York (US) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608990A (en) * | 1983-09-12 | 1986-09-02 | Elings Virgil B | Measuring skin perfusion |
| US5339817A (en) * | 1989-10-31 | 1994-08-23 | Gert Nilsson | System and a method for measurement and presentation of fluid flow movements, particularly the flow of blood through a body organ |
| US5598841A (en) * | 1993-09-24 | 1997-02-04 | Kowa Company Ltd. | Blood flow measurement system |
| US5501226A (en) * | 1994-10-19 | 1996-03-26 | Carl Zeiss, Inc. | Short coherence length, doppler velocimetry system |
| US5549114A (en) * | 1994-10-19 | 1996-08-27 | Carl Zeiss, Inc. | Short coherence length, doppler velocimetry system |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2531854B1 (enExample) | 1985-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |