MX342685B - Dispositivos y metodos para el control de flujo de fluidos corporales en tratamientos de fluidos fuera del cuerpo. - Google Patents

Dispositivos y metodos para el control de flujo de fluidos corporales en tratamientos de fluidos fuera del cuerpo.

Info

Publication number
MX342685B
MX342685B MX2010009291A MX2010009291A MX342685B MX 342685 B MX342685 B MX 342685B MX 2010009291 A MX2010009291 A MX 2010009291A MX 2010009291 A MX2010009291 A MX 2010009291A MX 342685 B MX342685 B MX 342685B
Authority
MX
Mexico
Prior art keywords
body fluid
methods
devices
fluid flow
flow control
Prior art date
Application number
MX2010009291A
Other languages
English (en)
Inventor
R Ash Stephen
Original Assignee
Renal Solutions 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 Renal Solutions Inc filed Critical Renal Solutions Inc
Publication of MX342685B publication Critical patent/MX342685B/es

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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
    • A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
    • A61M60/113—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems in other functional devices, e.g. dialysers or heart-lung machines
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
    • A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
    • A61M60/37—Haemodialysis, haemofiltration or diafiltration
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/424—Details relating to driving for positive displacement blood pumps
    • A61M60/427—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
    • A61M60/43—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic using vacuum at the blood pump, e.g. to accelerate filling
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/424—Details relating to driving for positive displacement blood pumps
    • A61M60/427—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
    • A61M60/435—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic with diastole or systole switching by valve means located between the blood pump and the hydraulic or pneumatic energy source
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
    • A61M60/546—Regulation using real-time blood pump operational parameter data, e.g. motor current of blood flow, e.g. by adapting rotor speed
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate

Abstract

La presente invención se refiere a un aparato para tratamiento de fluido corporal caracterizado porque comprende: dos cámaras de bombeo de fluido corporal, cada una contiene una membrana flexible que está configurada para extraer fluido corporal en la respectiva cámara de bombeo bajo presión gaseosa negativa en un lado de gas de la membrana y alternativamente para expulsar fluido corporal de las cámaras de bombeo respectiva bajo presión gaseosa positiva en el lado de gas de la membrana; un sensor que está configurado para proporcionar una señal de velocidad de flujo que representa la velocidad de flujo de fluido corporal fluyendo dentro de las cámaras de bombeo; y un aparato de control que está configurado para mover fluido corporal a través de las dos cámaras de bombeo en una relación coordinada mediante la presurización de las cámaras de bombeo alternativamente con la presión gaseosa positiva y negativa en el lado de gas de las membranas con referencia a la señal de velocidad de flujo al presurizar el lado de gas con presión gaseosa negativa y, una vez que determina que la velocidad de flujo del fluido corporal que fluye dentro de las cámaras de bombeo ha disminuido en una cantidad predeterminada, cambia la presión gaseosa en el lado de gas de negativa a positiva.
MX2010009291A 2000-10-12 2001-10-12 Dispositivos y metodos para el control de flujo de fluidos corporales en tratamientos de fluidos fuera del cuerpo. MX342685B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23964100P 2000-10-12 2000-10-12
PCT/US2001/032034 WO2002030267A2 (en) 2000-10-12 2001-10-12 Devices and methods for body fluid flow control in extracorporeal fluid treatments

Publications (1)

Publication Number Publication Date
MX342685B true MX342685B (es) 2016-10-07

Family

ID=22903065

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2010009291A MX342685B (es) 2000-10-12 2001-10-12 Dispositivos y metodos para el control de flujo de fluidos corporales en tratamientos de fluidos fuera del cuerpo.
MXPA03003105A MXPA03003105A (es) 2000-10-12 2001-10-12 Dispositivos y metodos para el control de flujo de fluidos corporarles en tratamientos de fluidos fuera del cuerpo.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MXPA03003105A MXPA03003105A (es) 2000-10-12 2001-10-12 Dispositivos y metodos para el control de flujo de fluidos corporarles en tratamientos de fluidos fuera del cuerpo.

Country Status (11)

Country Link
US (1) US7273465B2 (es)
EP (2) EP2044965B1 (es)
JP (2) JP4077722B2 (es)
CN (2) CN100363066C (es)
AT (1) ATE419024T1 (es)
AU (3) AU1319102A (es)
CA (1) CA2425548C (es)
DE (1) DE60137249D1 (es)
HK (1) HK1057869A1 (es)
MX (2) MX342685B (es)
WO (1) WO2002030267A2 (es)

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WO2002030267A8 (en) 2002-07-25
EP2044965A3 (en) 2009-04-29
AU2006203153A1 (en) 2006-08-10
CN101172171A (zh) 2008-05-07
JP2004510521A (ja) 2004-04-08
CN101172171B (zh) 2012-12-12
AU2006203153B2 (en) 2009-03-12
CN100363066C (zh) 2008-01-23
DE60137249D1 (de) 2009-02-12
JP4746016B2 (ja) 2011-08-10
AU2002213191B2 (en) 2006-06-01
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CN1479636A (zh) 2004-03-03
ATE419024T1 (de) 2009-01-15
US7273465B2 (en) 2007-09-25
HK1057869A1 (en) 2004-04-23
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CA2425548C (en) 2009-02-10
MXPA03003105A (es) 2004-01-26
CA2425548A1 (en) 2002-04-18
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AU2006203153B9 (en) 2009-04-02
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