DE69731943D1 - VORRICHTUNG ZUR BESTIMMUNG DER BLUTREZIRKULATION IN EINEm VASKULäREN ZUGANG - Google Patents

VORRICHTUNG ZUR BESTIMMUNG DER BLUTREZIRKULATION IN EINEm VASKULäREN ZUGANG

Info

Publication number
DE69731943D1
DE69731943D1 DE69731943T DE69731943T DE69731943D1 DE 69731943 D1 DE69731943 D1 DE 69731943D1 DE 69731943 T DE69731943 T DE 69731943T DE 69731943 T DE69731943 T DE 69731943T DE 69731943 D1 DE69731943 D1 DE 69731943D1
Authority
DE
Germany
Prior art keywords
blood
flow rate
extra
determining
vascular access
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 - Lifetime
Application number
DE69731943T
Other languages
English (en)
Other versions
DE69731943T2 (de
Inventor
Giovanni Cavicchioli
Enrico Canini
Massimo Fava
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.)
Gambro Hospal Schweiz AG
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=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69731943(D1) "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 DE69731943D1 publication Critical patent/DE69731943D1/de
Publication of DE69731943T2 publication Critical patent/DE69731943T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
  • Investigating Or Analysing Biological Materials (AREA)
  • Vehicle Body Suspensions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
DE69731943T 1996-10-18 1997-10-17 VORRICHTUNG ZUR BESTIMMUNG DER BLUTREZIRKULATION IN EINEm VASKULäREN ZUGANG Expired - Lifetime DE69731943T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITTO960855 1996-10-18
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 (2)

Publication Number Publication Date
DE69731943D1 true DE69731943D1 (de) 2005-01-20
DE69731943T2 DE69731943T2 (de) 2005-12-15

Family

ID=11414974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69731943T Expired - Lifetime DE69731943T2 (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)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6726647B1 (en) * 1998-10-23 2004-04-27 Gambro Ab Method and device for measuring access flow
CN1204930C (zh) * 1998-10-23 2005-06-08 甘布罗股份公司 测量通道流量的装置
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
CA2514239C (en) * 2003-01-28 2012-03-20 Gambro Lundia Ab An apparatus and method for monitoring a vascular access of a patient
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
US10695481B2 (en) 2011-08-02 2020-06-30 Medtronic, Inc. Hemodialysis system having a flow path with a controlled compliant volume
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
US10010663B2 (en) 2013-02-01 2018-07-03 Medtronic, Inc. Fluid circuit for delivery of renal replacement therapies
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
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
DE102013103220A1 (de) 2013-03-28 2014-10-02 B. Braun Avitum Ag Verfahren und Vorrichtung zur Bestimmung eines Rezirkulationszustands
US10537875B2 (en) 2013-11-26 2020-01-21 Medtronic, Inc. Precision recharging of sorbent materials using patient and session data
US9884145B2 (en) 2013-11-26 2018-02-06 Medtronic, Inc. Parallel modules for in-line recharging of sorbents using alternate duty cycles
EP3160534A4 (de) 2014-06-24 2018-03-07 Medtronic Inc. Gestapelte sorptionsmittelanordnung
US10172991B2 (en) 2014-06-24 2019-01-08 Medtronic, Inc. Modular dialysate regeneration 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
EP3697466B1 (de) * 2017-10-17 2024-06-19 Fresenius Medical Care Holdings, Inc. Verfahren zur erkennung von blutwiederumlauf
US11213616B2 (en) 2018-08-24 2022-01-04 Medtronic, Inc. Recharge solution for zirconium phosphate
ES2887924T3 (es) * 2019-02-11 2021-12-29 Gambro Lundia Ab Aparato para un tratamiento sanguíneo extracorpóreo y procedimiento para determinar un parámetro indicativo del progreso de un tratamiento sanguíneo extracorpóreo

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962125A (en) * 1975-01-13 1976-06-08 Coulter Diagnostics, Inc. Multi-purpose diluent for use in blood analysis by electronic instrumentation of the coulter type
US4469593A (en) 1982-03-10 1984-09-04 Kabushiki Kaisha Toyota Chuo Kenkyusho Blood purification apparatus
DE3640089A1 (de) * 1986-11-24 1988-06-01 Fresenius Ag Verfahren und vorrichtung zur bestimmung des intravasalen blutvolumens waehrend der haemodialyse
CA1325175C (en) * 1989-05-25 1993-12-14 Asahi Medical Co., Ltd. Compact plasma separator and an apparatus containing the same
DE3923836C1 (de) 1989-07-19 1990-09-20 Fresenius Ag, 6380 Bad Homburg, De
JPH06149B2 (ja) * 1989-12-22 1994-01-05 株式会社医療工学研究所 動静脈シャント部の血圧及び、血液粘度の連続測定装置
US5351686A (en) * 1990-10-06 1994-10-04 In-Line Diagnostics Corporation Disposable extracorporeal conduit for blood constituent monitoring
IT1252601B (it) 1991-07-05 1995-06-19 Hospal Dasco Spa Apparecchiatura e metodo di dialisi automatica
US5312550B1 (en) * 1992-04-27 1996-04-23 Robert L Hester Method for detecting undesired dialysis recirculation
US5644240A (en) * 1992-09-30 1997-07-01 Cobe Laboratories, Inc. Differential conductivity hemodynamic monitor
EP0835669A3 (de) * 1992-09-30 1998-09-09 COBE Laboratories, Inc. Differentialrückströmungsmonitor
JP2930418B2 (ja) * 1992-11-12 1999-08-03 アルシン・メディカル・インコーポレーテッド 腎臓透析法及び装置
AU5690194A (en) * 1992-12-15 1994-07-04 Ultra Innovations Inc. Apparatus and method for ornamenting caps
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
DE19541783C1 (de) * 1995-11-09 1997-03-27 Fresenius Ag Verfahren zum Betreiben einer Blutbehandlungsvorrichtung zur Ermittlung hämodynamischer Parameter während einer extrakorporalen Blutbehandlung und Vorrichtung zur Ermittlung hämodynamischer Parameter während einer extrakorporalen Blutbehandlung

Also Published As

Publication number Publication date
CA2239097C (fr) 2008-01-22
EP1449549A2 (de) 2004-08-25
DE69731943T2 (de) 2005-12-15
EP0886529B1 (de) 2004-12-15
WO1998017334A1 (fr) 1998-04-30
IT1288767B1 (it) 1998-09-24
US20020062098A1 (en) 2002-05-23
ITTO960855A1 (it) 1998-04-18
ES2235255T3 (es) 2005-07-01
EP1449549B1 (de) 2015-08-19
EP1449549A3 (de) 2004-12-01
CA2239097A1 (fr) 1998-04-30
JP2000502940A (ja) 2000-03-14
EP0886529A1 (de) 1998-12-30
ATE284720T1 (de) 2005-01-15
JP4102444B2 (ja) 2008-06-18
US6537240B2 (en) 2003-03-25

Similar Documents

Publication Publication Date Title
ATE284720T1 (de) Vorrichtung zur bestimmung der blutrezirkulation in einem vaskulären zugang
ATE354386T1 (de) Vorrichtung zur bestimmung des verteilungsvolumens eines blutinhaltsstoffes während einer blutbehandlung
DE69232711D1 (de) Vorrichtung und verfahren zur nichtinvasiven mengenbestimmung von im blut oder gewebe vorliegenden bestandteilen
DE3770576D1 (de) Vorrichtung zur behandlung von blut im extrakorporalen kreislauf.
EP1949922A3 (de) Verfahren und Vorrichtung zur Bestimmung von Hämodialyse-Parametern
DE3788353T2 (de) Vorrichtung und verfahren zur musternahme von arteriellem und venösem blut.
ATE59146T1 (de) Geraet zur bestrahlung von blutteilen.
EP1044695A3 (de) Verfahren und Vorrichtung zur Ermittlung des Blutflusses in einem Gefässzugang
DK0955880T3 (da) Apparat til behandling af hjertearytmi uden noget diskret mål
DE3781677D1 (de) Verfahren und vorrichtung zur bestimmung von haematokrit in einem system zur bearbeitung von blutbestandteilen.
DE3852618D1 (de) Hämodynamisch reagierendes System zur Behandlung eines in seiner Funktion gestörten Herzens.
DE68902698D1 (de) Verfahren zur trennung von blut in blutkomponenten und einheit zur trennung von blutkomponenten.
DE59600309D1 (de) Vorrichtung zur Behandlung von Flüssigkeiten, insbesondere von Blut
CA2092703A1 (en) Arterial co2 monitor and closed loop controller
ATA176783A (de) Verfahren zur behandlung eines blutgerinnungsfaktors viii-konzentrats
DE69623234D1 (de) Systeme und methoden zur vorherbestimmung von parametern bei der behandlung von blut
EP1217379A3 (de) Verfahren zur Ermittlung der Ionenkonzentration des Blutes und Dialysegerät
DE69634546D1 (de) Methode und vorrichtung zur aufzeichnung des zustandes eines blutgefässzugangs
DE3853671T2 (de) Reagens und Verfahren zur Messung von Leukozyten und Hämoglobin im Blut.
DE3765310D1 (de) Vorrichtung zur bestimmung von gaspartialdruecken im blut.
DE59004872D1 (de) Verfahren und Vorrichtung zur Steuerung von Blutpumpen bei einem extrakorporalen Kreislauf mit einer Single-Needle-Anordnung.
Lindsay et al. A device and a method for rapid and accurate measurement of access recirculation during hemodialysis
SE9300728D0 (sv) Saett att maeta effekten av en dialysbehandling
DE3762312D1 (de) Verfahren und vorrichtung zur ultrafiltration von blut.
ATA207879A (de) Verfahren zum feststellen des vorhandenseins von blut im dialysatstrom eines haemodialysesystems und sensoreinrichtung zur durchfuehrung des verfahrens

Legal Events

Date Code Title Description
8363 Opposition against the patent