CA3113254A1 - Systems and methods for inline fluid characterization - Google Patents

Systems and methods for inline fluid characterization Download PDF

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Publication number
CA3113254A1
CA3113254A1 CA3113254A CA3113254A CA3113254A1 CA 3113254 A1 CA3113254 A1 CA 3113254A1 CA 3113254 A CA3113254 A CA 3113254A CA 3113254 A CA3113254 A CA 3113254A CA 3113254 A1 CA3113254 A1 CA 3113254A1
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CA
Canada
Prior art keywords
conduit
sensor
flow
fluidic content
fluid
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.)
Pending
Application number
CA3113254A
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English (en)
French (fr)
Inventor
Mayank Kumar
Keng-Tsai LIN
Siddarth Satish
Andrew T. Hosford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gauss Surgical Inc
Original Assignee
Gauss Surgical Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gauss Surgical Inc filed Critical Gauss Surgical Inc
Publication of CA3113254A1 publication Critical patent/CA3113254A1/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • G06T7/248—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments involving reference images or patches
    • 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
    • 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
    • A61B5/02042—Determining blood loss or bleeding, e.g. during a surgical procedure
    • 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
    • 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
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • 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
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/488—Diagnostic techniques involving Doppler signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/1601—Control or regulation
    • A61M1/1615—Control or regulation using measurements made at different flow rates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3607—Regulation parameters
    • A61M1/3609—Physical characteristics of the blood, e.g. haematocrit, urea
    • 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
    • G01F1/663—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 by measuring Doppler frequency shift
    • 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
    • G01F1/68—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 using thermal effects
    • 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
    • G01F1/68—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 using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
    • 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
    • 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
    • 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
    • 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
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/49—Blood
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3306—Optical measuring means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/20—Blood composition characteristics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/061—Indicating or recording devices for remote indication
    • G01F15/063—Indicating or recording devices for remote indication using electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30101—Blood vessel; Artery; Vein; Vascular
    • G06T2207/30104—Vascular flow; Blood flow; Perfusion

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Fluid Mechanics (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Cardiology (AREA)
  • Electromagnetism (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Anesthesiology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Ecology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geometry (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Emergency Medicine (AREA)
CA3113254A 2018-09-27 2019-09-27 Systems and methods for inline fluid characterization Pending CA3113254A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862737730P 2018-09-27 2018-09-27
US62/737,730 2018-09-27
PCT/US2019/053395 WO2020069278A1 (en) 2018-09-27 2019-09-27 Systems and methods for inline fluid characterization

Publications (1)

Publication Number Publication Date
CA3113254A1 true CA3113254A1 (en) 2020-04-02

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ID=69953140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3113254A Pending CA3113254A1 (en) 2018-09-27 2019-09-27 Systems and methods for inline fluid characterization

Country Status (6)

Country Link
US (2) US12350415B2 (https=)
EP (1) EP3856015A4 (https=)
JP (2) JP7470679B2 (https=)
CN (2) CN113382677B (https=)
CA (1) CA3113254A1 (https=)
WO (1) WO2020069278A1 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10426356B2 (en) 2011-07-09 2019-10-01 Gauss Surgical, Inc. Method for estimating a quantity of a blood component in a fluid receiver and corresponding error
WO2016187072A1 (en) 2015-05-15 2016-11-24 Gauss Surgical, Inc. Methods and systems for characterizing fluids from a patient
US11504037B2 (en) 2015-05-15 2022-11-22 Gauss Surgical, Inc. Systems and methods for assessing fluids from a patient
EP3393539B1 (en) 2015-12-23 2023-12-27 Gauss Surgical, Inc. System and method for estimating an amount of a blood component in a volume of fluid
WO2020069278A1 (en) 2018-09-27 2020-04-02 Gauss Surgical, Inc. Systems and methods for inline fluid characterization
US20220062535A1 (en) * 2020-08-27 2022-03-03 Analog Devices, Inc. Fluid delivery system
KR102516080B1 (ko) * 2020-09-14 2023-03-31 한국표준과학연구원 열식 질량 유량계
EP4217689A4 (en) * 2020-09-25 2024-10-23 Recyclesmart Solutions Inc. WASTE MANAGEMENT SYSTEMS AND METHODS
CN112232283B (zh) * 2020-11-05 2023-09-01 深兰科技（上海）有限公司 基于光流和c3d网络的气泡检测方法和系统
US12564458B2 (en) 2022-08-01 2026-03-03 Imperative Care, Inc. Method of robotically driving a multi catheter assembly above the aortic arch
DE102021126851A1 (de) * 2021-10-15 2023-04-20 Elixion Medical GmbH Einrichtung und Verfahren zum Durchflussbestimmen
GB202202309D0 (en) * 2022-02-21 2022-04-06 Titan Entpr Ltd Flow meters
US12130162B2 (en) * 2022-07-11 2024-10-29 Strain Measurement Devices, Inc. Optical bubble sensor
AU2023385714A1 (en) 2022-11-21 2025-06-05 Stryker Corporation Methods for characterizing fluids flowing through a conduit with a system including optical emitters and detectors
JP2026500623A (ja) 2022-12-01 2026-01-08 インペラティブ ケア インコーポレイテッド ロボットカテーテル駆動システムのための座屈防止デバイス
WO2025137561A1 (en) 2023-12-21 2025-06-26 Stryker Corporation Cartridge, console, and methods for estimating blood loss in medical waste
WO2026030669A1 (en) 2024-08-01 2026-02-05 Stryker Corporation Docking station for and methods of facilitating a cleaning operation of a medical waste collection unit

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4690002A (en) * 1986-05-14 1987-09-01 Minnesota Minning And Manufacturing Company Doppler system for measurement of blood flow during cardiopulmonary bypass and ventricular assist
JPH02190767A (ja) * 1989-01-20 1990-07-26 Sankyo Co Ltd グロビンの定量方法
US6868739B1 (en) 1999-10-19 2005-03-22 Transonic Systems, Inc. Method and apparatus to measure blood flow by an introduced volume change
US20030120306A1 (en) 2000-04-21 2003-06-26 Vascular Control System Method and apparatus for the detection and occlusion of blood vessels
US20040024296A1 (en) * 2001-08-27 2004-02-05 Krotkov Eric P. System, method and computer program product for screening a spectral image
US6939310B2 (en) 2001-10-10 2005-09-06 Lifescan, Inc. Devices for physiological fluid sampling and methods of using the same
AU2003241236A1 (en) * 2003-05-14 2004-12-03 Instrumentarium Corporation Methods, arrangement, device and sensor for urine flow measurement
JP3566277B1 (ja) 2003-06-23 2004-09-15 株式会社日立製作所 血糖値測定装置
AU2004320405B2 (en) 2004-05-24 2010-09-09 Hospira, Inc Combined flow rate, bubble and occlusion detector
US20060189926A1 (en) * 2005-02-14 2006-08-24 Hall W D Apparatus and methods for analyzing body fluid samples
DE102006024459A1 (de) * 2006-05-24 2007-11-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sensor, Verarbeitungseinrichtung, Verfahren und Computerprogramm zum Liefern einer Information über einen Vitalparameter eines Lebewesens
US8631683B2 (en) * 2007-02-06 2014-01-21 Fresenius Medical Care Holdings, Inc. Dialysis systems including non-invasive multi-function sensor systems
US8347427B2 (en) * 2007-10-24 2013-01-08 Michael Klicpera Water use monitoring apparatus
JP5477051B2 (ja) 2010-03-01 2014-04-23 株式会社デンソー 超音波流量計
US20120232364A1 (en) * 2011-03-08 2012-09-13 Transvivo Inc. Method and apparatus for optoacoustic monitoring of blood components in a blood flow
US20140081154A1 (en) * 2011-05-17 2014-03-20 Landy Toth Devices, systems, and methods for assessing implants, organs, transplants, tissues, synthetic constructs, vascular grafts, and the like
US9936906B2 (en) * 2012-05-14 2018-04-10 Gauss Surgical, Inc. System and methods for managing blood loss of a patient
CN103988057B (zh) * 2011-07-09 2017-11-28 高斯外科公司 估算体外血液体积并对外科手术样品计数的系统和方法
US8897523B2 (en) 2011-07-09 2014-11-25 Gauss Surgical System and method for counting surgical samples
EP4663107A1 (en) 2012-05-14 2025-12-17 Stryker Corporation System and method for estimating a quantity of a blood component in a fluid canister
US10194801B2 (en) 2012-06-28 2019-02-05 Koninklijke Philips N.V. Fiber optic sensor guided navigation for vascular visualization and monitoring
US10424060B2 (en) 2012-07-09 2019-09-24 Gauss Surgical, Inc. Method for estimating blood component quantities in surgical textiles
JP6258346B2 (ja) 2012-11-29 2018-01-10 ベクトン・ディキンソン・アンド・カンパニーＢｅｃｔｏｎ， Ｄｉｃｋｉｎｓｏｎ Ａｎｄ Ｃｏｍｐａｎｙ 流体流路を通る流体流れの選択的制御
US9427305B2 (en) 2013-01-24 2016-08-30 GraftWorx, LLC Method and apparatus for measuring flow through a lumen
US10285596B2 (en) * 2016-04-11 2019-05-14 Majelco Medical, Inc. Apparatus and system for measuring volume of blood loss
US10285603B2 (en) 2013-06-14 2019-05-14 Novadaq Technologies ULC Quantification of absolute blood flow in tissue using fluorescence mediated photoplethysmography
CN105828850B (zh) 2013-12-13 2019-07-23 阿姆斯特丹大学学术医学中心 用于冲洗心包腔的系统
US9501622B2 (en) * 2014-03-05 2016-11-22 Heartflow, Inc. Methods and systems for predicting sensitivity of blood flow calculations to changes in anatomical geometry
WO2015160997A1 (en) 2014-04-15 2015-10-22 Gauss Surgical, Inc. Method for estimating a quantity of a blood component in a fluid canister
EP3132253B1 (en) 2014-04-15 2019-02-13 Gauss Surgical, Inc. Method for estimating a quantity of a blood component in a fluid canister
US9833557B2 (en) * 2014-12-19 2017-12-05 Fenwal, Inc. Systems and methods for determining free plasma hemoglobin
WO2016138380A1 (en) 2015-02-27 2016-09-01 Maquet Cardiopulmonary Ag Fluid flow rate measuring and gas bubble detecting apparatus
WO2016187072A1 (en) 2015-05-15 2016-11-24 Gauss Surgical, Inc. Methods and systems for characterizing fluids from a patient
EP3187881B1 (en) 2015-12-28 2020-08-26 Sensirion AG Thermal flow sensor
JP6191977B1 (ja) * 2016-05-02 2017-09-06 株式会社トリロバイト 生体情報測定システム、及び生体情報測定方法
US11229368B2 (en) 2017-01-13 2022-01-25 Gauss Surgical, Inc. Fluid loss estimation based on weight of medical items
WO2019088462A1 (ko) * 2017-11-03 2019-05-09 주식회사 딥메디 혈압 추정 모델 생성 시스템 및 방법과 혈압 추정 시스템 및 방법
WO2020069278A1 (en) 2018-09-27 2020-04-02 Gauss Surgical, Inc. Systems and methods for inline fluid characterization

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WO2020069278A1 (en) 2020-04-02
JP2022502653A (ja) 2022-01-11
JP2024099571A (ja) 2024-07-25
CN113382677A (zh) 2021-09-10
US12350415B2 (en) 2025-07-08
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CN119366875A (zh) 2025-01-28
US20220008637A1 (en) 2022-01-13

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