MX173229B - Sistema y metodo para proveer una valvula en una linea de liquido - Google Patents

Sistema y metodo para proveer una valvula en una linea de liquido

Info

Publication number
MX173229B
MX173229B MX025791A MX2579191A MX173229B MX 173229 B MX173229 B MX 173229B MX 025791 A MX025791 A MX 025791A MX 2579191 A MX2579191 A MX 2579191A MX 173229 B MX173229 B MX 173229B
Authority
MX
Mexico
Prior art keywords
valve
disposable portion
chamber
liquid line
flexible membrane
Prior art date
Application number
MX025791A
Other languages
English (en)
Inventor
Dean L Kamen
Original Assignee
Deka Products Lp
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 Deka Products Lp filed Critical Deka Products Lp
Publication of MX173229B publication Critical patent/MX173229B/es

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/02Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04Pumps having electric drive
    • F04B43/043Micropumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/004Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
    • F16K31/005Piezo-electric benders
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F17/00Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/04Control of fluid pressure without auxiliary power
    • G05D16/06Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0636Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane characterised by the loading device of the membrane, e.g. spring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/14Control of fluid pressure with auxiliary non-electric power
    • G05D16/18Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/185Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M2005/1401Functional features
    • A61M2005/1403Flushing or purging
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/12General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804Flow controllers
    • A61M5/16809Flow controllers by repeated filling and emptying of an intermediate volume
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0402Cleaning, repairing, or assembling
    • Y10T137/0441Repairing, securing, replacing, or servicing pipe joint, valve, or tank
    • Y10T137/0486Specific valve or valve element mounting or repairing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/598With repair, tapping, assembly, or disassembly means
    • Y10T137/599Pressure regulating type valve
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/87917Flow path with serial valves and/or closures

Abstract

La presente invención se refiere a sistema para proveer una válvula en una línea para líquido, en donde la parte de la válvula que entra en contacto con el líquido en la línea, se puede desechar fácilmente, en donde dicho sistema incluye: un alojamiento; una primera membrana flexible dispuesta sobre el alojamiento, que tiene un lado interno y un lado externo; una cámara de válvula definida por el alojamiento y la primera membrana flexible, una trayectoria de líquido que pasa a través del alojamiento desde una primera compuerta a través de la cámara de válvula, hasta una segunda compuerta, de manera que se proporciona una comunicación de líquido entre la cámara de válvula y la línea, por lo que la trayectoria de la cámara de la válvula entra en una primera y un segunda boca; un accesorio para sujetar el alojamiento, de manera que el alojamiento se puede desengarzar fácilmente del accesorio, dispuesto en el mismo un primer elemento de presión, para proporcionar alternativamente, presión hacia el lado externo de la primera membrana flexible y liberar la presión sobre el lado externo de la primera membrana flexible, para permitir una trayectoria de flujo relativamente sin restricciones de líquido, a través de la cámara de válvula; caracterizado porque al menos una de las bocas, dentro de la cámara de válvula, sobresale de un lado del alojamiento hacia la membrana; y el primer elemento de presión incluye un elemento localizado en el accesorio, para proveer un gas de control hacia un área adyacente a la primera membrana flexible y a la cámara de válvula y para cambiar la presión del gas de control.
MX025791A 1990-05-15 1991-05-15 Sistema y metodo para proveer una valvula en una linea de liquido MX173229B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/523,801 US5088515A (en) 1989-05-01 1990-05-15 Valve system with removable fluid interface

Publications (1)

Publication Number Publication Date
MX173229B true MX173229B (es) 1994-02-09

Family

ID=24086511

Family Applications (1)

Application Number Title Priority Date Filing Date
MX025791A MX173229B (es) 1990-05-15 1991-05-15 Sistema y metodo para proveer una valvula en una linea de liquido

Country Status (12)

Country Link
US (1) US5088515A (es)
EP (1) EP0528947B1 (es)
JP (1) JPH05507015A (es)
AT (1) ATE177955T1 (es)
AU (2) AU658825B2 (es)
BR (1) BR9106446A (es)
CA (1) CA2082057C (es)
DE (1) DE69131043T2 (es)
FI (2) FI108613B (es)
IL (1) IL98152A (es)
MX (1) MX173229B (es)
WO (1) WO1991017780A1 (es)

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AU7885891A (en) 1991-12-10
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EP0528947A1 (en) 1993-03-03
DE69131043D1 (de) 1999-04-29
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ATE177955T1 (de) 1999-04-15
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FI925177A (fi) 1992-11-13
US5088515A (en) 1992-02-18
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AU658825B2 (en) 1995-05-04
CA2082057A1 (en) 1991-11-16
EP0528947B1 (en) 1999-03-24

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