CA2061251C - Measurement of blood saturation and hematocrit - Google Patents

Measurement of blood saturation and hematocrit

Info

Publication number
CA2061251C
CA2061251C CA002061251A CA2061251A CA2061251C CA 2061251 C CA2061251 C CA 2061251C CA 002061251 A CA002061251 A CA 002061251A CA 2061251 A CA2061251 A CA 2061251A CA 2061251 C CA2061251 C CA 2061251C
Authority
CA
Canada
Prior art keywords
probe
collar
ears
axis
optical fiber
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.)
Expired - Fee Related
Application number
CA002061251A
Other languages
English (en)
French (fr)
Other versions
CA2061251A1 (en
Inventor
Robert Alan Heiberger
Jon Steven Ingebrigtsen
James Roger Price
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.)
Terumo BCT Inc
Original Assignee
Cobe Laboratories 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 Cobe Laboratories Inc filed Critical Cobe Laboratories Inc
Publication of CA2061251A1 publication Critical patent/CA2061251A1/en
Application granted granted Critical
Publication of CA2061251C publication Critical patent/CA2061251C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61B5/14535—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 for measuring haematocrit
    • 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
    • A61B5/14551—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 for measuring blood gases
    • A61B5/14557—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 for measuring blood gases specially adapted to extracorporeal circuits
    • 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
    • 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
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/367—Circuit parts not covered by the preceding subgroups of group A61M1/3621
    • 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
    • A61M2230/205—Blood composition characteristics partial oxygen pressure (P-O2)

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • External Artificial Organs (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CA002061251A 1991-02-15 1992-02-14 Measurement of blood saturation and hematocrit Expired - Fee Related CA2061251C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65680491A 1991-02-15 1991-02-15
US656,804 1991-02-15

Publications (2)

Publication Number Publication Date
CA2061251A1 CA2061251A1 (en) 1992-08-16
CA2061251C true CA2061251C (en) 1998-04-14

Family

ID=24634642

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002061251A Expired - Fee Related CA2061251C (en) 1991-02-15 1992-02-14 Measurement of blood saturation and hematocrit

Country Status (6)

Country Link
US (1) US5356593A (oth)
JP (2) JP2813090B2 (oth)
CA (1) CA2061251C (oth)
DE (1) DE4204477B4 (oth)
FR (1) FR2672802A1 (oth)
GB (1) GB2253920B (oth)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401255A (en) * 1993-07-20 1995-03-28 Baxter International Inc. Multi-functional valve with unitary valving member and improved safety
US8409846B2 (en) 1997-09-23 2013-04-02 The United States Of America As Represented By The Department Of Veteran Affairs Compositions, methods and devices for maintaining an organ
US6144444A (en) * 1998-11-06 2000-11-07 Medtronic Avecor Cardiovascular, Inc. Apparatus and method to determine blood parameters
US6554788B1 (en) * 2000-06-02 2003-04-29 Cobe Cardiovascular, Inc. Hematocrit sampling system
EP1322352A4 (en) 2000-09-27 2010-06-16 Sorin Group Usa Inc DISTRIBUTION CARTRIDGE FOR A BLOOD PERFUSION SYSTEM
ES2311810T3 (es) * 2003-04-07 2009-02-16 Gambro Lundia Ab Dispositivo, cartucho y metodo para disolver polvo en liquido al fabricar un fluido de dialisis.
SE525085C2 (sv) * 2003-04-07 2004-11-23 Gambro Lundia Ab Anordning avsedd för användning i en patron, en patron, användning av en anordning i en patron och ett system för framställning av en flytande lösning för ett medicinskt förfarande
AU2004227818B2 (en) * 2003-04-07 2009-12-03 Gambro Lundia Ab A device for use in a cartridge, and a cartridge
AU2004227834B2 (en) * 2003-04-07 2010-02-18 Gambro Lundia Ab A filter for a cartridge, a cartridge, use of a filter in a cartridge and a system for preparing a liquid solution for a medical procedure
US12010987B2 (en) 2004-10-07 2024-06-18 Transmedics, Inc. Systems and methods for ex-vivo organ care and for using lactate as an indication of donor organ status
US8304181B2 (en) 2004-10-07 2012-11-06 Transmedics, Inc. Method for ex-vivo organ care and for using lactate as an indication of donor organ status
NZ761002A (en) * 2004-10-07 2021-07-30 Transmedics Inc Systems and methods for ex- vivo organ care
US9301519B2 (en) * 2004-10-07 2016-04-05 Transmedics, Inc. Systems and methods for ex-vivo organ care
EP1851537B1 (en) * 2005-02-15 2013-09-11 In-Situ, Inc. Submersible probe apparatus for aqueous environment monitoring with new cam-twist interconnect liquid barrier and battery pack
US9078428B2 (en) 2005-06-28 2015-07-14 Transmedics, Inc. Systems, methods, compositions and solutions for perfusing an organ
EP1942726B1 (en) 2006-04-19 2017-01-04 Transmedics, Inc. Methods for ex vivo organ care
US9457179B2 (en) 2007-03-20 2016-10-04 Transmedics, Inc. Systems for monitoring and applying electrical currents in an organ perfusion system
US10750738B2 (en) * 2008-01-31 2020-08-25 Transmedics, Inc. Systems and methods for ex vivo lung care
US8424399B2 (en) * 2009-10-29 2013-04-23 Covidien Lp Probe holder assembly for an end to end test of adhesives and sealants
US9002655B2 (en) 2010-05-03 2015-04-07 Gambro Lundia Ab Medical apparatus for extracorporeal blood treatment and method for determining a blood parameter value in a medical apparatus thereof
EP2704560B1 (en) 2011-04-14 2022-04-06 Transmedics, Inc. Organ care solution for ex-vivo machine perfusion of donor lungs
CN113287600B (zh) 2014-06-02 2022-08-19 特兰斯迈迪茨公司 对离体肝脏灌注的灌注回路和系统以及对其保存的系统
AU2015361996B2 (en) 2014-12-12 2019-09-26 Transmedics, Inc. Apparatus and method for organ perfusion
KR20180015171A (ko) * 2015-05-26 2018-02-12 비에스엑스 애슐레틱스 조직의 생물학적 지표 레벨을 판정하기 위한 디바이스 및 방법
IL310004B2 (en) 2015-09-09 2025-04-01 Transmedics Inc Endotracheal tube for an extracorporeal organ therapy system
US11534051B2 (en) * 2016-02-26 2022-12-27 University of Pittsburgh—of the Commonwealth System of Higher Education Fiberoptic cable safety devices
US11540509B2 (en) 2016-05-30 2023-01-03 Tevosol, Inc. Apparatus and method for ex vivo lung ventilation with a varying exterior pressure
US12285556B2 (en) * 2019-12-27 2025-04-29 Zoll Circulation, Inc. Automated fluid infusion control for circulatory support and ECMO systems
JP7574033B2 (ja) 2020-09-30 2024-10-28 日本光電工業株式会社 生体パラメータ演算装置、コンピュータプログラムおよび非一時的コンピュータ可読媒体

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814081A (en) * 1971-04-02 1974-06-04 Olympus Optical Co Optical measuring catheter
US4243883A (en) * 1979-01-19 1981-01-06 Midwest Cardiovascular Institute Foundation Blood hematocrit monitoring system
US4411491A (en) * 1981-09-10 1983-10-25 Trw Inc. Connector assembly with elastomeric sealing membranes having slits
US4423923A (en) * 1981-10-05 1984-01-03 Texas Instruments Incorporated Method and fixture for coupling optical fibers
US4722337A (en) * 1983-08-22 1988-02-02 Laserscope Medical laser peripherals and connector system
US5007704A (en) * 1983-10-28 1991-04-16 Baxter International Inc. Oximeter
US4754328A (en) * 1984-01-03 1988-06-28 Medical Dynamics, Inc. Laser endoscope
US4786171A (en) * 1986-07-29 1988-11-22 Guided Wave, Inc. Spectral analysis apparatus and method
CH670513A5 (oth) * 1986-09-01 1989-06-15 Benno Perren
US4810090A (en) * 1987-08-24 1989-03-07 Cobe Laboratories, Inc. Method and apparatus for monitoring blood components
FR2628488B1 (fr) * 1988-03-14 1990-12-28 Ecia Equip Composants Ind Auto Attache rapide du type a baionnette perfectionnee
US4925268A (en) * 1988-07-25 1990-05-15 Abbott Laboratories Fiber-optic physiological probes
JPH0257239A (ja) * 1988-08-23 1990-02-27 Terumo Corp 光センサ用プローブ
JPH0318742A (ja) * 1989-06-16 1991-01-28 Terumo Corp 酸素飽和度測定装置
US4988155A (en) * 1989-06-22 1991-01-29 The Dow Chemical Company In-line fiber optic probe interface
US5073042A (en) * 1990-06-21 1991-12-17 Amp Incorporated Coupling bushing for various types of optical fiber connectors

Also Published As

Publication number Publication date
GB2253920A (en) 1992-09-23
DE4204477B4 (de) 2005-06-30
JPH1085205A (ja) 1998-04-07
JPH04312448A (ja) 1992-11-04
JP2813090B2 (ja) 1998-10-22
FR2672802B1 (oth) 1994-12-30
GB9203150D0 (en) 1992-04-01
GB2253920B (en) 1995-07-12
DE4204477A1 (de) 1992-08-20
FR2672802A1 (fr) 1992-08-21
US5356593A (en) 1994-10-18
CA2061251A1 (en) 1992-08-16
JP3301719B2 (ja) 2002-07-15

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