BR9812460A - "válvula sem agulha " - Google Patents

"válvula sem agulha "

Info

Publication number
BR9812460A
BR9812460A BR9812460-9A BR9812460A BR9812460A BR 9812460 A BR9812460 A BR 9812460A BR 9812460 A BR9812460 A BR 9812460A BR 9812460 A BR9812460 A BR 9812460A
Authority
BR
Brazil
Prior art keywords
valve
plug
fluid
rod
purging
Prior art date
Application number
BR9812460-9A
Other languages
English (en)
Inventor
Mark Christopher Doyle
Original Assignee
Alaris Medical Syst 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 Alaris Medical Syst Inc filed Critical Alaris Medical Syst Inc
Publication of BR9812460A publication Critical patent/BR9812460A/pt

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
    • 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
    • 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
    • A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • 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
    • A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • A61M2039/262—Valves closing automatically on disconnecting the line and opening on reconnection thereof having a fluid space within the valve remaining the same upon connection and disconnection, i.e. neutral-drawback 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
    • A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • A61M2039/263—Valves closing automatically on disconnecting the line and opening on reconnection thereof where the fluid space within the valve is decreasing upon disconnection
    • 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
    • A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • A61M2039/267—Valves closing automatically on disconnecting the line and opening on reconnection thereof having a sealing sleeve around a tubular or solid stem portion of the connector

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Magnetically Actuated Valves (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Lift Valve (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Compressor (AREA)

Abstract

Patente de Invenção: <B>"VáLVULA SEM AGULHA"<D>. Uma válvula sem agulha é descrita a qual evita os problemas de sucção dos dispositivos sem agulha anteriores quando da desativação e que preferivelmente provê um efeito positivo de autopurga. A válvula é autopurgante no fim de um ciclo de administração, evitando o entupimento dos cateteres a ela ligados e outros dispositivos, e assegura que substancialmente a totalidade do líquido recebido no interior da válvula é entregue ao receptor. A válvula é também extremamente simples em seu projeto e fácil de construir e montar, já que consiste de apenas três partes. A válvula possui uma base com um conector para ser ligado em uma comunicação fluida a um tubo ou outro dispositivo, uma haste canalizadora de fluido sólida e alongada, e um conduto interno de fluxo de fluido; um bujão flexível oco que pode se expandir e contrair ajustado sobre e móvel em relação à haste; e um corpo tubular ajustado sobre o bujão e ligado à base. Quando a válvula é ativada pela inserção de um bocal de uma fonte de fluido, a haste e o bujão irão cooperar de forma que à medida em que o bujão se retrai ao longo da haste, ele é estirado e o seu interior é expandido. Na desativação, o bujão se contrai, o volume interno se reduz, e a parede flexível do bujão força o fluido residual a ser expelido do interior da válvula para a saída, purgando o fluido residual da válvula. Não há a formação de uma pressão negativa, de forma que não ocorre sucção de sangue ou outro fluido de um paciente ou receptor.
BR9812460-9A 1997-09-15 1998-08-31 "válvula sem agulha " BR9812460A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/929,919 US6029946A (en) 1997-09-15 1997-09-15 Needleless valve
PCT/US1998/018068 WO1999013937A2 (en) 1997-09-15 1998-08-31 Needleless valve

Publications (1)

Publication Number Publication Date
BR9812460A true BR9812460A (pt) 2000-09-19

Family

ID=25458690

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812460-9A BR9812460A (pt) 1997-09-15 1998-08-31 "válvula sem agulha "

Country Status (18)

Country Link
US (5) US6029946A (pt)
EP (1) EP1044033B1 (pt)
JP (1) JP4184597B2 (pt)
KR (1) KR100540861B1 (pt)
CN (1) CN1270533A (pt)
AT (1) ATE443536T1 (pt)
AU (1) AU747578B2 (pt)
BR (1) BR9812460A (pt)
CA (1) CA2303084C (pt)
CY (1) CY1109674T1 (pt)
DE (1) DE69841178D1 (pt)
DK (1) DK1044033T3 (pt)
ES (1) ES2331939T3 (pt)
HK (1) HK1032209A1 (pt)
IL (1) IL135057A0 (pt)
NZ (2) NZ503168A (pt)
PT (1) PT1044033E (pt)
WO (1) WO1999013937A2 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112472328A (zh) * 2020-12-03 2021-03-12 殷晓光 一种防回流带清理的牙科手机

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CN112472328A (zh) * 2020-12-03 2021-03-12 殷晓光 一种防回流带清理的牙科手机
CN112472328B (zh) * 2020-12-03 2021-12-31 杨燕 一种防回流带清理的牙科手机

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EP1044033A2 (en) 2000-10-18
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CY1109674T1 (el) 2014-08-13
CA2303084A1 (en) 1999-03-25
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US20030183795A1 (en) 2003-10-02
US20010045539A1 (en) 2001-11-29
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DK1044033T3 (da) 2010-01-11
JP4184597B2 (ja) 2008-11-19
EP1044033B1 (en) 2009-09-23
US6840501B2 (en) 2005-01-11
ES2331939T3 (es) 2010-01-20
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AU9213298A (en) 1999-04-05
PT1044033E (pt) 2009-11-19
US6541802B2 (en) 2003-04-01
JP2001516626A (ja) 2001-10-02
CN1270533A (zh) 2000-10-18
IL135057A0 (en) 2001-05-20
DE69841178D1 (de) 2009-11-05
WO1999013937A3 (en) 1999-06-03
US6029946A (en) 2000-02-29
US6290206B1 (en) 2001-09-18
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US20050121638A1 (en) 2005-06-09
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