ATE284720T1 - Vorrichtung zur bestimmung der blutrezirkulation in einem vaskulären zugang - Google Patents

Vorrichtung zur bestimmung der blutrezirkulation in einem vaskulären zugang

Info

Publication number
ATE284720T1
ATE284720T1 AT97943094T AT97943094T ATE284720T1 AT E284720 T1 ATE284720 T1 AT E284720T1 AT 97943094 T AT97943094 T AT 97943094T AT 97943094 T AT97943094 T AT 97943094T AT E284720 T1 ATE284720 T1 AT E284720T1
Authority
AT
Austria
Prior art keywords
blood
flow rate
extra
vascular access
value
Prior art date
Application number
AT97943094T
Other languages
English (en)
Inventor
Giovanni Cavicchioli
Enrico Canini
Massimo Fava
Original Assignee
Gambro Hospal Schweiz Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11414974&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE284720(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gambro Hospal Schweiz Ag filed Critical Gambro Hospal Schweiz Ag
Application granted granted Critical
Publication of ATE284720T1 publication Critical patent/ATE284720T1/de

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
    • 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
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0413—Blood
    • A61M2202/0429—Red blood cells; Erythrocytes
    • A61M2202/0433—Free haemoglobin
    • 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
    • A61M2205/3368—Temperature
    • 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
    • A61M2205/52—General characteristics of the apparatus with microprocessors or computers with memories providing a history of measured variating parameters of apparatus or patient
    • 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
    • A61M2230/65—Impedance, e.g. conductivity, capacity

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • External Artificial Organs (AREA)
  • Vehicle Body Suspensions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
AT97943094T 1996-10-18 1997-10-17 Vorrichtung zur bestimmung der blutrezirkulation in einem vaskulären zugang ATE284720T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96TO000855A IT1288767B1 (it) 1996-10-18 1996-10-18 Metodo di determinazione del valore del ricircolo di una sospensione sottoposta a trattamento.
PCT/IB1997/001289 WO1998017334A1 (fr) 1996-10-18 1997-10-17 Procede de determination de la recirculation du sang dans un acces vasculaire et systeme pour sa mise en oeuvre

Publications (1)

Publication Number Publication Date
ATE284720T1 true ATE284720T1 (de) 2005-01-15

Family

ID=11414974

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97943094T ATE284720T1 (de) 1996-10-18 1997-10-17 Vorrichtung zur bestimmung der blutrezirkulation in einem vaskulären zugang

Country Status (9)

Country Link
US (1) US6537240B2 (de)
EP (2) EP1449549B1 (de)
JP (1) JP4102444B2 (de)
AT (1) ATE284720T1 (de)
CA (1) CA2239097C (de)
DE (1) DE69731943T2 (de)
ES (1) ES2235255T3 (de)
IT (1) IT1288767B1 (de)
WO (1) WO1998017334A1 (de)

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CN1204930C (zh) * 1998-10-23 2005-06-08 甘布罗股份公司 测量通道流量的装置
US6726647B1 (en) * 1998-10-23 2004-04-27 Gambro Ab Method and device for measuring access flow
IT1308680B1 (it) * 1999-12-21 2002-01-09 Gambro Dasco Spa Metodo di determinazione del ricircolo di sangue in un accessovascolare.
JP3958733B2 (ja) * 2002-11-14 2007-08-15 日機装株式会社 血液浄化装置
EP1930035A1 (de) * 2003-01-28 2008-06-11 Gambro Lundia AB Vorrichtung zur Überwachung des vaskulären Zugangs
JP2006031855A (ja) * 2004-07-16 2006-02-02 Toshiba Corp 磁気ディスクおよびこれを備えた磁気ディスク装置
JP4868772B2 (ja) * 2004-08-24 2012-02-01 日機装株式会社 血液浄化装置
JP4925159B2 (ja) 2005-10-12 2012-04-25 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
DE102007056475A1 (de) * 2007-11-22 2009-06-04 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtung zum Bestimmen der Rezirkulation in einer Fistel oder der kardiopulmonalen Rezirkulation sowie Blutbehandlungsvorrichtung mit einer Vorrichtung zur Bestimmung der Fistelrezirkulation oder des kardiopulmonalen Rezirkulationsanteils
DE102008003714A1 (de) * 2008-01-09 2009-07-16 Fresenius Medical Care Deutschland Gmbh Verfahren zum Bestimmen des Anteils der Rezirkulation in einer Fistel und/oder der kardiopulmonalen Rezirkulation an der Summe von Fistelrezirkulation und kardiopulmonaler Rezirkulation
JP5415038B2 (ja) * 2008-07-28 2014-02-12 日機装株式会社 血液浄化装置
DE102010007914A1 (de) * 2010-02-12 2012-12-27 Fresenius Medical Care Deutschland Gmbh Vorrichtung und Verfahren zur Überwachung eines Gefäßzugangs für eine extrakorporale Blutbehandlung
EP3165245B1 (de) 2011-08-02 2019-02-20 Medtronic, Inc. Hämodialysesystem mit einem durchflussweg mit gesteuertem nachgiebigem volumen
US9713666B2 (en) 2013-01-09 2017-07-25 Medtronic, Inc. Recirculating dialysate fluid circuit for blood measurement
US9623164B2 (en) 2013-02-01 2017-04-18 Medtronic, Inc. Systems and methods for multifunctional volumetric fluid control
US10850016B2 (en) 2013-02-01 2020-12-01 Medtronic, Inc. Modular fluid therapy system having jumpered flow paths and systems and methods for cleaning and disinfection
US10010663B2 (en) 2013-02-01 2018-07-03 Medtronic, Inc. Fluid circuit for delivery of renal replacement therapies
DE102013103220A1 (de) 2013-03-28 2014-10-02 B. Braun Avitum Ag Verfahren und Vorrichtung zur Bestimmung eines Rezirkulationszustands
DE102013103221A1 (de) 2013-03-28 2014-10-02 B. Braun Avitum Ag Verfahren zur Erfassung einer Rezirkulation in einem arteriovenösen Shunt während laufender Hämodialyse und Dialysesystem
US9884145B2 (en) 2013-11-26 2018-02-06 Medtronic, Inc. Parallel modules for in-line recharging of sorbents using alternate duty cycles
US10537875B2 (en) 2013-11-26 2020-01-21 Medtronic, Inc. Precision recharging of sorbent materials using patient and session data
EP3160535A4 (de) 2014-06-24 2018-03-07 Medtronic Inc. Modulare dialysatregenerationsanordnung
US10357757B2 (en) 2014-06-24 2019-07-23 Medtronic, Inc. Stacked sorbent assembly
DE102015016854A1 (de) * 2015-12-23 2017-06-29 Fresenius Medical Care Deutschland Gmbh Dialysegerät mit Mitteln zur Erkennung einer Shunt-Rezirkulation
US10981148B2 (en) 2016-11-29 2021-04-20 Medtronic, Inc. Zirconium oxide module conditioning
US10960381B2 (en) 2017-06-15 2021-03-30 Medtronic, Inc. Zirconium phosphate disinfection recharging and conditioning
EP3697466A1 (de) * 2017-10-17 2020-08-26 Fresenius Medical Care Holdings, Inc. Verfahren zur erkennung einer zugangsrezirkulation
US11213616B2 (en) 2018-08-24 2022-01-04 Medtronic, Inc. Recharge solution for zirconium phosphate
EP3693039B1 (de) * 2019-02-11 2021-06-09 Gambro Lundia AB Vorrichtung zur extrakorporalen behandlung von blut und verfahren zur ermittlung eines parameters, der den fortschritt einer extrakorporalen blutbehandlung anzeigt

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DE3640089A1 (de) * 1986-11-24 1988-06-01 Fresenius Ag Verfahren und vorrichtung zur bestimmung des intravasalen blutvolumens waehrend der haemodialyse
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US5351686A (en) * 1990-10-06 1994-10-04 In-Line Diagnostics Corporation Disposable extracorporeal conduit for blood constituent monitoring
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Also Published As

Publication number Publication date
ITTO960855A1 (it) 1998-04-18
DE69731943D1 (de) 2005-01-20
CA2239097C (fr) 2008-01-22
EP1449549B1 (de) 2015-08-19
WO1998017334A1 (fr) 1998-04-30
DE69731943T2 (de) 2005-12-15
EP0886529A1 (de) 1998-12-30
CA2239097A1 (fr) 1998-04-30
JP2000502940A (ja) 2000-03-14
US6537240B2 (en) 2003-03-25
ES2235255T3 (es) 2005-07-01
US20020062098A1 (en) 2002-05-23
EP1449549A3 (de) 2004-12-01
JP4102444B2 (ja) 2008-06-18
EP1449549A2 (de) 2004-08-25
IT1288767B1 (it) 1998-09-24
EP0886529B1 (de) 2004-12-15

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