ES2104930T3 - Cateter con valvulas bidireccionables. - Google Patents

Cateter con valvulas bidireccionables.

Info

Publication number
ES2104930T3
ES2104930T3 ES92912403T ES92912403T ES2104930T3 ES 2104930 T3 ES2104930 T3 ES 2104930T3 ES 92912403 T ES92912403 T ES 92912403T ES 92912403 T ES92912403 T ES 92912403T ES 2104930 T3 ES2104930 T3 ES 2104930T3
Authority
ES
Spain
Prior art keywords
tubular element
valve
distal end
infusion
fluid pressure
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
ES92912403T
Other languages
English (en)
Inventor
Paul V Fenton Jr
Thomas M Young
William J Gorman
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.)
Strato Infusaid Inc
Original Assignee
Strato Infusaid 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 Strato Infusaid Inc filed Critical Strato Infusaid Inc
Application granted granted Critical
Publication of ES2104930T3 publication Critical patent/ES2104930T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • A61M25/0075—Valve means
    • 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
    • A61M1/84—Drainage tubes; Aspiration tips
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • A61M25/0075—Valve means
    • A61M2025/0076—Unidirectional 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
    • A61M39/02—Access sites
    • A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
  • Surgical Instruments (AREA)

Abstract

UN CATETER CON VALVULA (10) QUE TIENE UN ELEMENTO TUBULAR FLEXIBLE ALARGADO (18) QUE DEFINE UN LUMEN (20) QUE SE EXTIENDE A LO LARGO DE UN EJE SUSTANCIALMENTE PARALELO AL EJE CENTRAL (A) DE DICHO ELEMENTO TUBULAR Y UN CONJUNTO DE VALVULA DE RETENCION BIDIRECCIONAL (12) CERCA DE SU EXTREMO DISTAL (16) QUE CONTROLA EL FLUJO DE LOS FLUIDOS QUE PASAN POR EL ELEMENTO TUBULAR. EL CONJUNTO DE VALVULA INCLUYE UNA VALVULA DE ASPIRACION (24) DESVIADA DE LA PUNTA DEL EXTREMO DISTAL DEL ELEMENTO TUBULAR Y UNA VALVULA DE INFUSION (26) FORMADA EN LA PUNTA DEL EXTREMO DISTAL DEL ELEMENTO. LA VALVULA DE ASPIRACION QUEDA GENERALMENTE DEFINIDA POR UNO O MAS ORIFICIOS (24'', 24") FORMADOS EN EL ELEMENTO TUBULAR Y UN MANGUITO (30) DISPUESTO DENTRO DEL ELEMENTO TUBULAR Y SUBYACENTE A LOS ORIFICIOS, EN DONDE EL MANGUITO NORMALMENTE CIERRA LOS ORIFICIOS. LA VALVULA DE ASPIRACION (24) PERMITE QUE EL FLUJO DE FLUIDOS DESDE LA SANGRE DEL PACIENTE HASTA DENTRO DEL ELEMENTO TUBULAR (18) CUANDO LA PRESION ESTATICA DEL FLUIDO DENTRO DEL EXTREMO DISTAL DEL ELEMENTO TUBULAR (16) ES MENOR QUE LA PRESION ESTATICA DEL FLUIDO FUERA DE LA VALVULA DE ASPIRACION EN UNA CANTIDAD SUFICIENTE COMO PARA DESPLAZAR EL MANGUITO (30) Y PERMITIR QUE EL FLUJO DEL FLUIDO PASE A TRAVES DE LOS ORIFICIOS. LA VALVULA DE INFUSION (26) INCLUYE UNA GARGANTA (42) FORMADA EN EL EXTREMO DISTAL DEL ELEMENTO TUBULAR (16) Y QUE ESTA AHUSADA HACIA ABAJO HASTA UNA BOQUILLA (44) FORMADA POR LAS MORDAZAS (O "LABIOS") (48, 48'') QUE HAY EN LA PUNTA DEL ELEMENTO TUBULAR. LA BOQUILLA (44) SE ENCUENTRA ESENCIALMENTE CERRADA PARA QUE EL FLUIDO NO PUEDA PASAR DEL PACIENTE AL ELEMENTO TUBULAR Y NORMALMENTE CERRADA PARA QUE EL FLUIDO NO PUEDA SALIR DEL ELEMENTO TUBULAR Y ENTRAR EN EL PACIENTE. LA VALVULA DE INFUSION (26) PERMITE LA INFUSION DEL FLUIDO EN LA SANGRE DEL PACIENTE CUANDO LA PRESION ESTATICA DEL FLUIDO DENTRO DEL EXTREMO DISTAL DEL ELEMENTO TUBULAR (16) ES MAYOR QUE LA PRESION ESTATICA DEL FLUIDO FUERA DE LA VALVULA DE INFUSION (26) EN UNACANTIDAD SUFICIENTE COMO PARA FORZAR A LA BOQUILLA (44) PARA QUE SE ABRA. TAMBIEN SE PRESENTA UN CATETER DE LUMEN MULTIPLE CON VALVULAS BIDIRECCIONALES (10).
ES92912403T 1991-06-19 1992-05-11 Cateter con valvulas bidireccionables. Expired - Lifetime ES2104930T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/717,618 US5112301A (en) 1991-06-19 1991-06-19 Bidirectional check valve catheter

Publications (1)

Publication Number Publication Date
ES2104930T3 true ES2104930T3 (es) 1997-10-16

Family

ID=24882771

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92912403T Expired - Lifetime ES2104930T3 (es) 1991-06-19 1992-05-11 Cateter con valvulas bidireccionables.

Country Status (13)

Country Link
US (1) US5112301A (es)
EP (1) EP0678043B1 (es)
JP (1) JP2584588B2 (es)
AT (1) ATE157270T1 (es)
AU (1) AU651710B2 (es)
CA (1) CA2103035C (es)
DE (2) DE9290076U1 (es)
DK (1) DK0678043T3 (es)
ES (1) ES2104930T3 (es)
GR (1) GR3025065T3 (es)
IE (1) IE921975A1 (es)
PT (1) PT100599B (es)
WO (1) WO1992022342A1 (es)

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AU2026192A (en) 1993-01-12
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AU651710B2 (en) 1994-07-28
CA2103035C (en) 1995-10-24
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JP2584588B2 (ja) 1997-02-26
DE69221904T2 (de) 1998-01-02
US5112301A (en) 1992-05-12
WO1992022342A1 (en) 1992-12-23
PT100599B (pt) 1999-06-30
CA2103035A1 (en) 1992-12-20
JPH06503253A (ja) 1994-04-14
PT100599A (pt) 1994-05-31
DE69221904D1 (de) 1997-10-02
EP0678043A1 (en) 1995-10-25
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IE921975A1 (en) 1992-12-30
ATE157270T1 (de) 1997-09-15

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