ES2165411T3 - Valvula de agrietamiento bidireccional de apertura selectiva. - Google Patents

Valvula de agrietamiento bidireccional de apertura selectiva.

Info

Publication number
ES2165411T3
ES2165411T3 ES95903604T ES95903604T ES2165411T3 ES 2165411 T3 ES2165411 T3 ES 2165411T3 ES 95903604 T ES95903604 T ES 95903604T ES 95903604 T ES95903604 T ES 95903604T ES 2165411 T3 ES2165411 T3 ES 2165411T3
Authority
ES
Spain
Prior art keywords
elastomeric membrane
valve
slit
elastomeric
fluid flow
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
ES95903604T
Other languages
English (en)
Inventor
Robert G Poli
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.)
Abbott Laboratories
Original Assignee
Abbott Laboratories
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 Abbott Laboratories filed Critical Abbott Laboratories
Application granted granted Critical
Publication of ES2165411T3 publication Critical patent/ES2165411T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • 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
    • A61M39/24—Check- or non-return valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form
    • F16K15/1472—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form the closure elements being fixed onto an internally extending mount
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
    • F16K15/1825—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with flexible valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
    • 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
    • A61M39/24—Check- or non-return valves
    • A61M2039/242—Check- or non-return valves designed to open when a predetermined pressure or flow rate has been reached, e.g. check valve actuated by 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
    • 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
    • A61M39/24—Check- or non-return valves
    • A61M2039/2426—Slit valve
    • 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
    • A61M39/281—Automatic tube cut-off devices, e.g. squeezing tube on detection of air
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7771—Bi-directional flow valves
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7876—With external means for opposing bias
    • Y10T137/7877—With means for retaining external means in bias opposing position
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7879—Resilient material valve
    • Y10T137/788—Having expansible port
    • Y10T137/7881—Apertured plate

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Check Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Control Of Combustion (AREA)
  • Safety Valves (AREA)
  • Endoscopes (AREA)
  • Massaging Devices (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

SE PRESENTA UNA VALVULA DE FISURA BIDIRECCIONAL QUE PUEDE ABRIRSE SELECTIVAMENTE. LA VALVULA DE FISURA BIDIRECCIONAL (10, 70) SE FORMA UTILIZANDO UNA MEMBRANA ELASTOMERICA (34). CENTRADA DENTRO DE LA MEMBRANA ELASTOMERICA SE ENCUENTRA UNA HENDIDURA (36) QUE PERMANECE CERRADA, BLOQUEANDO EL FLUJO DE FLUIDO A TRAVES DEL DISPOSITIVO HASTA QUE UN DIFERENCIAL DE PRESION A TRAVES DE LA MEMBRANA ELASTOMERICA EXCEDA UNA PRESION DE FISURA PREDEFINIDA SUFICIENTE PARA FORZAR EL LIQUIDO A PASAR A TRAVES DE LA HENDIDURA. LA MEMBRANA ELASTOMERICA ES UNA PARTE INTEGRAL DE UN CILINDRO ELASTOMERICO (28), QUE ESTA MONTADO EN UN SOPORTE DE VALVULA (12). EL SOPORTE DE VALVULA INCLUYE PUERTOS DISPUESTOS EN EXTREMOS OPUESTOS Y LOS PUERTOS ESTAN ADAPTADOS PARA ACOPLARSE TUBOS. UN OPERADOR PUEDE SELECTIVAMENTE HACER QUE EL FLUIDO FLUYA A TRAVES DEL DISPOSITIVO COMPRIMIENDO LAS LENGUETAS LATERALES (40,42) DISPUESTAS SOBRE LOS LADOS OPUESTOS DE LA MEMBRANA ELASTOMERICA, FORZANDO A ABRIRSE A LA HENDIDURA. UN PESTILLO(46) ESTA DISPUESTO PARA MANTENER LA VALVULA DE FISURA BIDIRECCIONAL EN ESTADO ABIERTO.
ES95903604T 1993-12-16 1994-11-25 Valvula de agrietamiento bidireccional de apertura selectiva. Expired - Lifetime ES2165411T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/168,936 US5396925A (en) 1993-12-16 1993-12-16 Anti-free flow valve, enabling fluid flow as a function of pressure and selectively opened to enable free flow
PCT/US1994/013584 WO1995016871A1 (en) 1993-12-16 1994-11-25 Selectively opened bi-directional cracking valve

Publications (1)

Publication Number Publication Date
ES2165411T3 true ES2165411T3 (es) 2002-03-16

Family

ID=22613585

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95903604T Expired - Lifetime ES2165411T3 (es) 1993-12-16 1994-11-25 Valvula de agrietamiento bidireccional de apertura selectiva.

Country Status (10)

Country Link
US (1) US5396925A (es)
EP (1) EP0746712B1 (es)
JP (1) JP3520088B2 (es)
AT (1) ATE206808T1 (es)
CA (1) CA2174329C (es)
DE (1) DE69428605T2 (es)
DK (1) DK0746712T3 (es)
ES (1) ES2165411T3 (es)
PT (1) PT746712E (es)
WO (1) WO1995016871A1 (es)

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Also Published As

Publication number Publication date
EP0746712B1 (en) 2001-10-10
DK0746712T3 (da) 2001-12-10
WO1995016871A1 (en) 1995-06-22
CA2174329C (en) 2004-11-02
US5396925A (en) 1995-03-14
JP3520088B2 (ja) 2004-04-19
PT746712E (pt) 2002-04-29
DE69428605T2 (de) 2002-08-01
EP0746712A4 (en) 1997-05-14
ATE206808T1 (de) 2001-10-15
DE69428605D1 (de) 2001-11-15
EP0746712A1 (en) 1996-12-11
CA2174329A1 (en) 1995-06-22
JPH09506694A (ja) 1997-06-30

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