BR9910313A - Oxigenador de membrana principal inferior com reservatório/permutator de calor integrados - Google Patents

Oxigenador de membrana principal inferior com reservatório/permutator de calor integrados

Info

Publication number
BR9910313A
BR9910313A BR9910313-3A BR9910313A BR9910313A BR 9910313 A BR9910313 A BR 9910313A BR 9910313 A BR9910313 A BR 9910313A BR 9910313 A BR9910313 A BR 9910313A
Authority
BR
Brazil
Prior art keywords
blood
heat exchange
chamber
oxygenator
reservoir
Prior art date
Application number
BR9910313-3A
Other languages
English (en)
Other versions
BR9910313B1 (pt
Inventor
Jose Filho Delia
Jose Francisco Biscegli
Original Assignee
Baxter Int
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 Baxter Int filed Critical Baxter Int
Publication of BR9910313A publication Critical patent/BR9910313A/pt
Publication of BR9910313B1 publication Critical patent/BR9910313B1/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
    • 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
    • A61M1/1698—Blood oxygenators with or without heat-exchangers
    • 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
    • A61M1/1623—Disposition or location of membranes relative to fluids
    • A61M1/1625—Dialyser of the outside perfusion type, i.e. blood flow outside hollow membrane fibres or tubes
    • 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
    • A61M1/1629—Constructional aspects thereof with integral heat exchanger
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3623—Means for actively controlling temperature of blood
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • 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
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3666—Cardiac or cardiopulmonary bypass, e.g. heart-lung machines
    • A61M1/3667—Cardiac or cardiopulmonary bypass, e.g. heart-lung machines with assisted venous return
    • 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
    • A61M2205/3368—Temperature
    • 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
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/28—Blood oxygenators

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • External Artificial Organs (AREA)

Abstract

Patente de Invenção: "OXIGENADOR DE MEMBRANA PRINCIPAL INFERIOR COM RESERVATóRIO/PERMUTATOR DE CALOR INTEGRADOS". Um oxigenador de membrana principal inferior e um reservatório/permutador térmico integrados para uso isoladamente ou em combinação em um circuito de sangue extracorpóreo. O oxigenador tem uma construção simples, de cinco partes, incluindo um alojamento que define uma câmara de oxigenação anular dentro da qual uma pluralidade de fibras ocas estão dispostas em um feixe anular com espaços de fluxo entre elas. Um orifício de entrada de sangue e uma tubagem coletora distribuem sangue através de uma pluralidade de aberturas de entrada circunferencialmente espaçadas de forma uniforme, o sangue flui geralmente axialmente através da câmara anular alongada para uma pluralidade de aberturas de saída espaçadas circunferencialmente uniformes. Uma entrada de gás se comunica com um espaço alimentador para distribuir gás tendo um teor elevado de oxigênio para os lúmens internos das fibras. A transferência de gás entre o sangue e o gás ocorre através das membranas de fibra oca semipermeáveis na câmara de oxigenação. Proporções geométricas específicas, uma arquitetura de fibra oca particular e a ausência de uma função de permuta térmica, tudo é combinado para reduzir o volume principal requerido pelo oxigenador. O reservatório inclui uma carcaça externa encimada por uma tampa com uma entrada de sangue venoso. O sangue da entrada entra por uma câmara de permuta térmica anular, alongada, definida entre duas paredes cilíndricas verticais dentro do reservatório. Uma pluralidade de bobinas de permuta térmica na câmara anular provê uma função de permuta térmica eficaz com requisitos baixos de principal inferior. O fluido de cardiotomia pode ter primeiramente as bolhas extraídas e, então, combinadas com a corrente de sangue venoso que entra na câmara de permuta térmica. Após passar através da câmara de permuta térmica, o sangue passa através de uma série de filtros antes de ser bombeado para o oxigenador.
BRPI9910313-3A 1998-05-08 1999-05-05 reservatàrio de sangue/permutador tÉrmico combinado. BR9910313B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7540998A 1998-05-08 1998-05-08
PCT/US1999/009796 WO1999058171A2 (en) 1998-05-08 1999-05-05 Low prime membrane oxygenator with integrated heat exchanger/reservoir

Publications (2)

Publication Number Publication Date
BR9910313A true BR9910313A (pt) 2001-10-23
BR9910313B1 BR9910313B1 (pt) 2008-11-18

Family

ID=22125550

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9910313-3A BR9910313B1 (pt) 1998-05-08 1999-05-05 reservatàrio de sangue/permutador tÉrmico combinado.

Country Status (6)

Country Link
US (1) US6613281B2 (pt)
EP (2) EP1550473A3 (pt)
CN (1) CN1308549A (pt)
AU (1) AU3971399A (pt)
BR (1) BR9910313B1 (pt)
WO (1) WO1999058171A2 (pt)

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US11471351B2 (en) 2016-12-14 2022-10-18 The Children's Hospital Of Philadelphia System and method configured to provide extracorporeal support for premature fetus
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Also Published As

Publication number Publication date
WO1999058171A2 (en) 1999-11-18
AU3971399A (en) 1999-11-29
EP1550473A2 (en) 2005-07-06
US6613281B2 (en) 2003-09-02
BR9910313B1 (pt) 2008-11-18
WO1999058171A3 (en) 2000-02-10
US20010033813A1 (en) 2001-10-25
CN1308549A (zh) 2001-08-15
EP1076572A2 (en) 2001-02-21
EP1550473A3 (en) 2007-10-17

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