ES2498954T3 - Dispositivo y método para controlar la infusión de un líquido en un circuito de sangre extracorpóreo - Google Patents

Dispositivo y método para controlar la infusión de un líquido en un circuito de sangre extracorpóreo Download PDF

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Publication number
ES2498954T3
ES2498954T3 ES05019650.0T ES05019650T ES2498954T3 ES 2498954 T3 ES2498954 T3 ES 2498954T3 ES 05019650 T ES05019650 T ES 05019650T ES 2498954 T3 ES2498954 T3 ES 2498954T3
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Prior art keywords
duct
compartment
infusion
liquid
blood
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Expired - Lifetime
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ES05019650.0T
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English (en)
Inventor
Renato Pedrazzi
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Gambro Hospal Schweiz AG
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Gambro Hospal Schweiz AG
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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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • 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
    • A61M1/1603—Regulation parameters
    • A61M1/1605—Physical characteristics of the dialysate fluid
    • A61M1/1607—Physical characteristics of the dialysate fluid before use, i.e. upstream of dialyser
    • 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
    • A61M1/1603—Regulation parameters
    • A61M1/1605—Physical characteristics of the dialysate fluid
    • A61M1/1609—Physical characteristics of the dialysate fluid after use, i.e. downstream of dialyser
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3424—Substitution fluid path
    • A61M1/3431—Substitution fluid path upstream of the filter
    • A61M1/3434—Substitution fluid path upstream of the filter with pre-dilution and post-dilution
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3424—Substitution fluid path
    • A61M1/3437—Substitution fluid path downstream of the filter, e.g. post-dilution with filtrate
    • 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
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/342—Adding solutions to the blood, e.g. substitution solutions
    • A61M1/3441—Substitution rate control as a function of the ultrafiltration 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
    • 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
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3669—Electrical impedance measurement of body fluids; transducers specially adapted therefor
    • 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
    • A61M2230/30—Blood pressure
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Cardiology (AREA)
  • Emergency Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

Maquina de dialisis que comprende: un filtro (4) que tiene un compartimento (5) de sangre y un compartimento (6) de liquido de dialisis separados por una membrana (7) semipermeable; un circuito de sangre extracorporeo que tiene un conducto (12) arterial conectado a una entrada del compartimento (5) de sangre y un conducto (15) venoso conectado a una salida del compartimento (5) de sangre; un circuito de liquido de dialisis que tiene un conducto (17) de suministro conectado a una entrada del compartimento (6) de liquido de dialisis y un conducto (18) de drenaje conectado a una salida del compartimento (6) de liquido de dialisis; un circuito de infusion que tiene un conducto (25) de predilucion conectado al conducto (12) arterial y un conducto (26) de posdiluciOn conectado al conducto (15) venoso; medics (23; 24) para variar un flujo de un liquid° de infusion en el conducto (25) de predilucion y en el conducto (26) de posdilución; medios (31) de control para controlar los nnedios (23, 24) de variacion de flujo de modo que el flujo del liquido de infusión en el conducto (25) de predilucion y el conducto (26) de posdilución coincida con una secuencia determinada; caracterizada porque comprende un sensor (36) de hemoconcentración para producir una serial de hemoconcentracion (CE) y porque los medios (31) de control comprenden medics para determinar la secuencia de infusión a partir de al menos un valor caracteristico (FF) correlacionado con la concentración de la sangre (CE).

Description

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Claims (1)

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ES05019650.0T 2000-04-07 2001-04-02 Dispositivo y método para controlar la infusión de un líquido en un circuito de sangre extracorpóreo Expired - Lifetime ES2498954T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO20000333 2000-04-07
IT2000TO000333A IT1320024B1 (it) 2000-04-07 2000-04-07 Metodo per la regolazione della infusione in una macchina di dialisi e macchina di dialisi per l'applicazione del citato metodo.

Publications (1)

Publication Number Publication Date
ES2498954T3 true ES2498954T3 (es) 2014-09-26

Family

ID=11457656

Family Applications (3)

Application Number Title Priority Date Filing Date
ES01915621T Expired - Lifetime ES2250366T5 (es) 2000-04-07 2001-04-02 Máquina de diálisis.
ES05019650.0T Expired - Lifetime ES2498954T3 (es) 2000-04-07 2001-04-02 Dispositivo y método para controlar la infusión de un líquido en un circuito de sangre extracorpóreo
ES04003132T Expired - Lifetime ES2372385T3 (es) 2000-04-07 2001-04-02 Máquina de diálisis.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES01915621T Expired - Lifetime ES2250366T5 (es) 2000-04-07 2001-04-02 Máquina de diálisis.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES04003132T Expired - Lifetime ES2372385T3 (es) 2000-04-07 2001-04-02 Máquina de diálisis.

Country Status (9)

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US (2) US6730233B2 (es)
EP (3) EP1200141B2 (es)
AT (2) ATE305318T1 (es)
AU (1) AU774113B2 (es)
CA (1) CA2372307C (es)
DE (1) DE60113624T3 (es)
ES (3) ES2250366T5 (es)
IT (1) IT1320024B1 (es)
WO (1) WO2001076661A1 (es)

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EP1424089B1 (en) 2011-08-31
DE60113624T2 (de) 2006-06-22
ATE522239T1 (de) 2011-09-15
ES2372385T3 (es) 2012-01-19
WO2001076661A1 (en) 2001-10-18
US20020121471A1 (en) 2002-09-05
ITTO20000333A1 (it) 2001-10-07
DE60113624T3 (de) 2011-05-19
EP1424089A2 (en) 2004-06-02
CA2372307A1 (en) 2001-10-18
EP1200141B2 (en) 2010-11-17
ES2250366T3 (es) 2006-04-16
IT1320024B1 (it) 2003-11-12
US6730233B2 (en) 2004-05-04
EP1200141B1 (en) 2005-09-28
EP1604699A3 (en) 2008-06-04
AU774113B2 (en) 2004-06-17
ATE305318T1 (de) 2005-10-15
CA2372307C (en) 2009-02-10
ES2250366T5 (es) 2011-04-08
DE60113624D1 (de) 2006-02-09
AU4270101A (en) 2001-10-23
US6966979B2 (en) 2005-11-22
EP1424089A3 (en) 2004-07-21
EP1604699B1 (en) 2014-07-02
EP1200141A1 (en) 2002-05-02
EP1604699A2 (en) 2005-12-14
ITTO20000333A0 (it) 2000-04-07

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