CN109314764B - 用于校准和修正散斑对比流量计的系统和方法 - Google Patents
用于校准和修正散斑对比流量计的系统和方法 Download PDFInfo
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- CN109314764B CN109314764B CN201780024284.XA CN201780024284A CN109314764B CN 109314764 B CN109314764 B CN 109314764B CN 201780024284 A CN201780024284 A CN 201780024284A CN 109314764 B CN109314764 B CN 109314764B
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- G—PHYSICS
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- 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
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/7086—Measuring the time taken to traverse a fixed distance using optical detecting arrangements
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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
- A61B5/02—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02094—Speckle interferometers, i.e. for detecting changes in speckle pattern
-
- G—PHYSICS
- G01—MEASURING; TESTING
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- 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
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
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- 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
- G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
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Abstract
Description
Claims (44)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201662324903P | 2016-04-20 | 2016-04-20 | |
US62/324,903 | 2016-04-20 | ||
PCT/US2017/028178 WO2017184630A1 (en) | 2016-04-20 | 2017-04-18 | Systems and methods for calibrating and correcting a speckle contrast flowmeter |
Publications (2)
Publication Number | Publication Date |
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CN109314764A CN109314764A (zh) | 2019-02-05 |
CN109314764B true CN109314764B (zh) | 2021-02-05 |
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CN201780024284.XA Active CN109314764B (zh) | 2016-04-20 | 2017-04-18 | 用于校准和修正散斑对比流量计的系统和方法 |
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US (2) | US10955275B2 (zh) |
EP (1) | EP3446478B1 (zh) |
CN (1) | CN109314764B (zh) |
CA (1) | CA3018621A1 (zh) |
WO (1) | WO2017184630A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017184630A1 (en) | 2016-04-20 | 2017-10-26 | Laser Associated Sciences, Inc. | Systems and methods for calibrating and correcting a speckle contrast flowmeter |
CN115605803A (zh) | 2019-12-11 | 2023-01-13 | 洛克利光子有限公司(Gb) | 光学感测模块 |
US11872038B2 (en) | 2020-09-04 | 2024-01-16 | Covidien Lp | Medical device including diffuse reflector for detecting fluid parameters |
US11872355B2 (en) | 2020-09-04 | 2024-01-16 | Covidien Lp | Medical device for detecting fluid parameters using fluorescent probes |
US20220152397A1 (en) | 2020-11-16 | 2022-05-19 | Medtronic, Inc. | Neurostimulation evaluation, programming and control based on sensed blood flow |
CN112742280B (zh) * | 2020-12-07 | 2021-12-24 | 昆明理工大学 | 一种混合系统的混沌状态检测方法及系统 |
US20230039055A1 (en) * | 2021-07-29 | 2023-02-09 | Rockley Photonics Limited | Photonic integrated circuit |
CN113933265B (zh) * | 2021-09-27 | 2023-01-03 | 中国科学院长春光学精密机械与物理研究所 | 散斑测量装置及测量分析方法 |
WO2023237929A1 (en) * | 2022-06-10 | 2023-12-14 | Rockley Photonics Limited | System and method for calibrating speckle-based sensor |
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CN101485565A (zh) * | 2009-02-13 | 2009-07-22 | 华中科技大学 | 一种激光散斑血流成像分析方法 |
CN103330557A (zh) * | 2013-06-25 | 2013-10-02 | 上海理工大学 | 基于曝光时间测定的激光散斑血流成像方法 |
CN104125801A (zh) * | 2011-10-03 | 2014-10-29 | 海浪科技有限公司 | 利用双带脉冲复合体的非线性成像 |
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-
2017
- 2017-04-18 WO PCT/US2017/028178 patent/WO2017184630A1/en active Application Filing
- 2017-04-18 CN CN201780024284.XA patent/CN109314764B/zh active Active
- 2017-04-18 CA CA3018621A patent/CA3018621A1/en not_active Abandoned
- 2017-04-18 US US16/093,597 patent/US10955275B2/en active Active
- 2017-04-18 EP EP17786485.7A patent/EP3446478B1/en active Active
-
2021
- 2021-03-22 US US17/208,897 patent/US11579004B2/en active Active
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CN101156769A (zh) * | 2007-08-02 | 2008-04-09 | 太原特玛茹电子科技有限公司 | 激光散斑法眼底血液流量测量仪 |
CN101243966A (zh) * | 2008-03-21 | 2008-08-20 | 中国科学院光电技术研究所 | 一种高分辨率眼底血管流速测量系统及测量方法 |
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CN104523225A (zh) * | 2009-09-04 | 2015-04-22 | 约翰斯·霍普金斯大学 | 多模激光斑点成像 |
CN104125801A (zh) * | 2011-10-03 | 2014-10-29 | 海浪科技有限公司 | 利用双带脉冲复合体的非线性成像 |
CN103330557A (zh) * | 2013-06-25 | 2013-10-02 | 上海理工大学 | 基于曝光时间测定的激光散斑血流成像方法 |
Also Published As
Publication number | Publication date |
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US11579004B2 (en) | 2023-02-14 |
WO2017184630A1 (en) | 2017-10-26 |
EP3446478A4 (en) | 2019-11-13 |
CA3018621A1 (en) | 2017-10-26 |
EP3446478B1 (en) | 2022-03-23 |
CN109314764A (zh) | 2019-02-05 |
WO2017184630A8 (en) | 2018-10-11 |
US20210293595A1 (en) | 2021-09-23 |
EP3446478A1 (en) | 2019-02-27 |
US10955275B2 (en) | 2021-03-23 |
US20200158548A1 (en) | 2020-05-21 |
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Effective date of registration: 20211028 Address after: Switzerland Rhine falls Neuhausen Patentee after: INTACT MEDICAL Corp. Address before: Massachusetts USA Patentee before: COVIDIEN L.P. Effective date of registration: 20211028 Address after: Massachusetts USA Patentee after: COVIDIEN L.P. Address before: California, USA Patentee before: Lether United Technology Co.,Ltd. |