ES8101895A1 - Procedimiento para controlar automaticamente la ultrafiltra-cion durante la hemodialisis en un sistema de un solo paso - Google Patents

Procedimiento para controlar automaticamente la ultrafiltra-cion durante la hemodialisis en un sistema de un solo paso

Info

Publication number
ES8101895A1
ES8101895A1 ES492413A ES492413A ES8101895A1 ES 8101895 A1 ES8101895 A1 ES 8101895A1 ES 492413 A ES492413 A ES 492413A ES 492413 A ES492413 A ES 492413A ES 8101895 A1 ES8101895 A1 ES 8101895A1
Authority
ES
Spain
Prior art keywords
dialysate
atmospheric pressure
pressure portion
above atmospheric
automatically controlling
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
Application number
ES492413A
Other languages
English (en)
Other versions
ES492413A0 (es
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.)
Althin Medical Inc
Original Assignee
Cordis Dow 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 Cordis Dow Corp filed Critical Cordis Dow Corp
Publication of ES8101895A1 publication Critical patent/ES8101895A1/es
Publication of ES492413A0 publication Critical patent/ES492413A0/es
Granted 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
    • A61M1/14—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
    • A61M1/14—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
    • 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
    • A61M1/1611—Weight of the 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
    • 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
    • A61M1/1621—Constructional aspects thereof
    • A61M1/1635—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid
    • A61M1/1639—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid linked by 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
    • A61M1/14—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
    • A61M1/1621—Constructional aspects thereof
    • A61M1/1635—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid
    • A61M1/1641—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid linked by pistons
    • 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
    • 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
    • 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
    • A61M2205/3358—Measuring barometric pressure, e.g. for compensation
    • 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
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3393—Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/929—Hemoultrafiltrate volume measurement or control processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2516—Interconnected flow displacement elements

Abstract

PROCEDIMIENTO PARA CONTROLAR AUTOMATICAMENTE LA ULTRAFILTRACION EN LOS PROCESO DE HEMODIALISIS DE UN SOLO PASO. CONSISTENTE EN VARIAR DE FORMA CONTROLADA LA PRESION DE LA TRANSMEMBRANA A PARTIR DEL VALOR DE LA VELOCIDAD DE SEPARACION DE LIQUIDO DEL CIRCUITO, DE FORMA QUE ESTA PUEDA SER MANTENIDA CONSTATE A LO LARGO DEL PROCESO. UN PAR DE COMPRESORES DE PISTON Y CILINDRO SUMINISTRAN DIALIZADO AL Y DESDE EL RIÑON. UN TERCER COMPRESOR DE CONTROL, DE VOLUMEN MAS PEQUEÑO, SITUADO EN LA PARTE DEL CIRCUITO CUYA PRESION ES SUPERIOR A LA ATMOSFERICA, EN LA LINEA DE DIALIZADO DE ALIMENTACION, EXTRAE DEL CIRCUITO UNA CANTIDAD DE ULTRAFILTRADO IGUAL AL EXCESO DE AGUA QUE SE HA DE SEPARAR DEL PACIENTE CON INSUFICIENCIA RENAL. DEBIDO A LA EXTRACCION EFECTUADA POR EL TERCER PISTON, LA DIFERENCIA DE PRESION EN LAS ZONAS DE SANGRE Y DIALIZADO, ESTO ES, LA PRESION DE TRANSMEMBRANA CAMBIA, DE FORMA QUE SE MANTIENE LA VELOCIDAD DE FILTRADO PREESTABLECIDA POR EL OPERARIO DEL APARATO.
ES492413A 1978-11-06 1980-06-13 Procedimiento para controlar automaticamente la ultrafiltra-cion durante la hemodialisis en un sistema de un solo paso Granted ES492413A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/958,329 US4209391A (en) 1978-11-06 1978-11-06 Apparatus and method for automatically controlling hemodialysis at a pre-selected ultrafiltration rate

Publications (2)

Publication Number Publication Date
ES8101895A1 true ES8101895A1 (es) 1980-12-16
ES492413A0 ES492413A0 (es) 1980-12-16

Family

ID=25500860

Family Applications (2)

Application Number Title Priority Date Filing Date
ES485734A Expired ES485734A1 (es) 1978-11-06 1979-11-06 Perfeccionamientos en circuitos cerrados de dializado deuti-lidad en hemodialisis
ES492413A Granted ES492413A0 (es) 1978-11-06 1980-06-13 Procedimiento para controlar automaticamente la ultrafiltra-cion durante la hemodialisis en un sistema de un solo paso

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES485734A Expired ES485734A1 (es) 1978-11-06 1979-11-06 Perfeccionamientos en circuitos cerrados de dializado deuti-lidad en hemodialisis

Country Status (17)

Country Link
US (1) US4209391A (es)
JP (1) JPS5926309B2 (es)
AU (1) AU529556B2 (es)
BE (1) BE879812A (es)
BR (1) BR7907163A (es)
CA (1) CA1142860A (es)
CH (1) CH637019A5 (es)
DD (1) DD147315A5 (es)
DE (1) DE2944136C2 (es)
DK (1) DK467679A (es)
ES (2) ES485734A1 (es)
FR (1) FR2440741A1 (es)
GB (1) GB2034601B (es)
IT (1) IT1162412B (es)
MX (1) MX151332A (es)
NL (1) NL7908045A (es)
SE (1) SE444116B (es)

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Also Published As

Publication number Publication date
US4209391A (en) 1980-06-24
DE2944136A1 (de) 1980-05-22
AU5212779A (en) 1980-05-15
BE879812A (fr) 1980-05-05
FR2440741B1 (es) 1985-05-17
AU529556B2 (en) 1983-06-09
MX151332A (es) 1984-11-12
SE7909117L (sv) 1980-05-07
IT1162412B (it) 1987-04-01
CA1142860A (en) 1983-03-15
BR7907163A (pt) 1980-07-22
FR2440741A1 (fr) 1980-06-06
IT7950742A0 (it) 1979-11-05
JPS5573264A (en) 1980-06-02
ES492413A0 (es) 1980-12-16
DK467679A (da) 1980-05-07
GB2034601A (en) 1980-06-11
GB2034601B (en) 1983-05-11
ES485734A1 (es) 1980-10-01
DD147315A5 (de) 1981-04-01
JPS5926309B2 (ja) 1984-06-26
NL7908045A (nl) 1980-05-08
DE2944136C2 (de) 1983-02-10
CH637019A5 (fr) 1983-07-15
SE444116B (sv) 1986-03-24

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