[go: up one dir, main page]

AU5092098A - System and method for noninvasive hemodynamic measurements in hemodialysis shunts - Google Patents

System and method for noninvasive hemodynamic measurements in hemodialysis shunts

Info

Publication number
AU5092098A
AU5092098A AU50920/98A AU5092098A AU5092098A AU 5092098 A AU5092098 A AU 5092098A AU 50920/98 A AU50920/98 A AU 50920/98A AU 5092098 A AU5092098 A AU 5092098A AU 5092098 A AU5092098 A AU 5092098A
Authority
AU
Australia
Prior art keywords
hemodynamic measurements
noninvasive hemodynamic
hemodialysis shunts
hemodialysis
shunts
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
Application number
AU50920/98A
Other languages
English (en)
Inventor
David R. Miller
Robert R. Steuer
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.)
In-Line Diagnostics Corp
Original Assignee
In-Line Diagnostics Corp
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 In-Line Diagnostics Corp filed Critical In-Line Diagnostics Corp
Publication of AU5092098A publication Critical patent/AU5092098A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • 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
    • A61B5/68—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
    • A61B5/6866—Extracorporeal blood circuits, e.g. dialysis 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
    • A61M1/14—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
    • 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
    • A61M1/1613—Profiling or modelling of patient or predicted treatment evolution or outcome
    • 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
    • A61M1/361—Physical characteristics of the blood, e.g. haematocrit, urea before treatment
    • 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
    • A61M1/3612—Physical characteristics of the blood, e.g. haematocrit, urea after treatment
    • 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
    • A61M1/3613—Reperfusion, e.g. of the coronary vessels, e.g. retroperfusion
    • 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
    • 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
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • A61M1/3655—Arterio-venous shunts or fistulae
    • 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
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • A61M1/3656—Monitoring patency or flow at connection sites; Detecting disconnections
    • A61M1/3658—Indicating the amount of purified blood recirculating in the fistula or shunt
    • 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
    • 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
    • A61M1/3643—Priming, rinsing before or after use
    • 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
    • A61M1/3663—Flow rate transducers; Flow integrators
    • 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
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • 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
    • A61M2230/207—Blood composition characteristics hematocrit

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Cardiology (AREA)
  • Urology & Nephrology (AREA)
  • Physics & Mathematics (AREA)
  • Emergency Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Fluid Mechanics (AREA)
  • Optics & Photonics (AREA)
  • External Artificial Organs (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
AU50920/98A 1996-10-23 1997-10-22 System and method for noninvasive hemodynamic measurements in hemodialysis shunts Abandoned AU5092098A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2958796P 1996-10-23 1996-10-23
US60029587 1996-10-23
PCT/US1997/019511 WO1998017193A1 (fr) 1996-10-23 1997-10-22 Systeme et procede pour mesures hemodynamiques non invasives dans des pontages en hemodialyse

Publications (1)

Publication Number Publication Date
AU5092098A true AU5092098A (en) 1998-05-15

Family

ID=21849818

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50920/98A Abandoned AU5092098A (en) 1996-10-23 1997-10-22 System and method for noninvasive hemodynamic measurements in hemodialysis shunts

Country Status (6)

Country Link
EP (1) EP0944362A4 (fr)
JP (1) JP3622984B2 (fr)
KR (1) KR100498628B1 (fr)
AU (1) AU5092098A (fr)
CA (1) CA2268519A1 (fr)
WO (1) WO1998017193A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6153109A (en) 1994-09-16 2000-11-28 Transonic Systmes, Inc. Method and apparatus to measure blood flow rate in hemodialysis shunts
US6514419B2 (en) 1994-09-16 2003-02-04 Transonic Systems, Inc. Method to measure blood flow and recirculation in hemodialysis shunts
US6648845B1 (en) * 1998-01-07 2003-11-18 Fresenius Medical Care North America Method and apparatus for determining hemodialysis parameters
US6726647B1 (en) 1998-10-23 2004-04-27 Gambro Ab Method and device for measuring access flow
US6868739B1 (en) 1999-10-19 2005-03-22 Transonic Systems, Inc. Method and apparatus to measure blood flow by an introduced volume change
DE10259437B3 (de) 2002-12-19 2004-09-16 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtung zur Bestimmung des Blutflusses in einer blutführenden Leitung
AU2004208554B2 (en) 2003-01-28 2008-11-06 Gambro Lundia Ab An apparatus and method for monitoring a vascular access of a patient
EP1861001A4 (fr) * 2005-03-07 2013-08-14 Transonic Systems Inc Systeme et procede permettant de determiner un debit cardiaque
JP4573231B2 (ja) * 2006-11-01 2010-11-04 日機装株式会社 血液浄化装置
JP4573860B2 (ja) * 2007-08-22 2010-11-04 日機装株式会社 血液浄化装置
DE102010015664A1 (de) * 2010-04-20 2011-10-20 Up-Med Gmbh Verfahren und Vorrichtung zur Bestimmung des Fistelflusses einer Fistel für die Dialysebehandlung
DE102013103335A1 (de) * 2013-04-03 2014-10-09 B. Braun Avitum Ag System zur Erfassung eines Zustands einer Dialysatorvorrichtung, und hierfür verwendbare Sensorvorrichtung
JP6559484B2 (ja) * 2015-07-06 2019-08-14 日機装株式会社 血液浄化装置及びその血液浄化装置によるアクセス血管の流量算出方法
JP7061509B2 (ja) 2018-04-26 2022-04-28 日機装株式会社 血液浄化装置
US11389576B2 (en) * 2018-12-03 2022-07-19 Fresenius Medical Care Holdings, Inc. Determination of patient blood volume at start of a dialysis treatment
JP7686400B2 (ja) * 2021-01-25 2025-06-02 日機装株式会社 血液浄化装置
WO2025173751A1 (fr) * 2024-02-14 2025-08-21 日機装株式会社 Dispositif de purification du sang

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104646A (en) * 1980-01-25 1981-08-20 Minolta Camera Kk Optical analyzer for forming ratio of element contained in organism
US4995268A (en) * 1989-09-01 1991-02-26 Ash Medical System, Incorporated Method and apparatus for determining a rate of flow of blood for an extracorporeal blood therapy instrument
US5372136A (en) 1990-10-06 1994-12-13 Noninvasive Medical Technology Corporation System and method for noninvasive hematocrit monitoring
US5351686A (en) 1990-10-06 1994-10-04 In-Line Diagnostics Corporation Disposable extracorporeal conduit for blood constituent monitoring
FR2680975B1 (fr) * 1991-09-10 1998-12-31 Hospal Ind Rein artificiel muni de moyens pour doser une substance dans le sang.
US5312550B1 (en) * 1992-04-27 1996-04-23 Robert L Hester Method for detecting undesired dialysis recirculation
EP0835669A3 (fr) * 1992-09-30 1998-09-09 COBE Laboratories, Inc. ContrÔleur de recirculation différentiel
ES2132260T3 (es) * 1992-10-13 1999-08-16 Baxter Int Modulo de muestreo de fluido.
WO1994008641A1 (fr) * 1992-10-13 1994-04-28 Baxter International Inc. Systeme de surveillance d'hemodialyse pour machines d'hemodialyse
US5507723A (en) * 1994-05-24 1996-04-16 Baxter International, Inc. Method and system for optimizing dialysis clearance
IT1274840B (it) * 1994-07-18 1997-07-25 Bellco Spa Apparecchiatura per trattamenti di dialisi.
US5685989A (en) 1994-09-16 1997-11-11 Transonic Systems, Inc. Method and apparatus to measure blood flow and recirculation in hemodialysis shunts
US5453576A (en) * 1994-10-24 1995-09-26 Transonic Systems Inc. Cardiovascular measurements by sound velocity dilution

Also Published As

Publication number Publication date
CA2268519A1 (fr) 1998-04-30
JP3622984B2 (ja) 2005-02-23
WO1998017193A1 (fr) 1998-04-30
EP0944362A4 (fr) 2001-11-21
KR20000052728A (ko) 2000-08-25
JP2001506873A (ja) 2001-05-29
KR100498628B1 (ko) 2005-07-01
EP0944362A1 (fr) 1999-09-29

Similar Documents

Publication Publication Date Title
AU4090199A (en) Apparatus and method for in vivo hemodialysis
AU5092098A (en) System and method for noninvasive hemodynamic measurements in hemodialysis shunts
AU2761295A (en) System and method for measuring acoustic reflectance
AU1549295A (en) Method in dialysis and dialyzer for working the method
EP0999783A4 (fr) Dispositif et procede pour la mesure non effractive du debit cardiaque
AU2777495A (en) Endoscopic vascular clamping system and method
HRP970063B1 (en) Triazole derivatives useful in therapy
HRP970249B1 (en) Indole derivatives useful in therapy
AU3964697A (en) Method and device for stable impedance plethysmography
EP0781161A4 (fr) Methode de mesure du debit sanguin dans les pontages en hemodialyse
AU5158498A (en) Apparatus for use in parts assembly
AU2325299A (en) Catenary system measurement apparatus and method
AUPP115597A0 (en) On-line measuring system and method
AU7035698A (en) Test system and test method
AU8700798A (en) Intravascular apparatus and method
AU676125B2 (en) Method and apparatus for measuring the change in capacitancevalues in dual capacitors
AU2860295A (en) Defects in drug metabolism
AU5573398A (en) Peritoneal dialysis apparatus and method
AU1077397A (en) Chromatographic method for the identification and characterization of hemoglobin variants in blood
AU2517395A (en) Methods rendering grafts nonthrombogenic and substantially nonimmunogenic
GB2320395B (en) Collaborative trunk testing method and system
AU4687997A (en) In vivo protein synthesis method
ZA974978B (en) Formulation and method for treating congestive heart failure
AU2633295A (en) Measurement system and method
AU1877497A (en) Quinoxaline derivatives useful in therapy