BRPI0509838A - métodos para determinar taxas de vazão de fluidos biológicos - Google Patents
métodos para determinar taxas de vazão de fluidos biológicosInfo
- Publication number
- BRPI0509838A BRPI0509838A BRPI0509838-6A BRPI0509838A BRPI0509838A BR PI0509838 A BRPI0509838 A BR PI0509838A BR PI0509838 A BRPI0509838 A BR PI0509838A BR PI0509838 A BRPI0509838 A BR PI0509838A
- Authority
- BR
- Brazil
- Prior art keywords
- location
- interface
- components
- methods
- flow rates
- Prior art date
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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3693—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging
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- 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
- A61M1/3693—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging
- A61M1/3696—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation
Abstract
MéTODOS PARA DETERMINAR TAXAS DE VAZãO DE FLUIDOS BIOLóGICOS. A presente invenção refere-se a um método de separação que compreende introduzir um primeiro fluido compreendendo primeiro e segundo componentes possuindo densidades diferentes dentro de um campo centrífugo e permitir uma interface para formar entre pelo menos partes dos primeiro e segundo componentes em uma primeira localização. O método também compreende mover a interface a partir da primeira localização até uma segunda localização, e compreende ainda introduzir o primeiro fluido e remover pelo menos um dos primeiro e segundo componentes em taxas de vazão controladas conhecidas de modo a mover a interface a partir da segunda localização em direção à primeira localização e para retornar a interface para a segunda localização. A taxa de vazão dos primeiro e segundo componentes pode ser determinada com base, pelo menos em parte, em um intervalo de tempo entre o momento que a interface se move e retorna para a segunda localização. A taxa de vazão pode também ser baseada no peso de um componente removido durante o intervalo de tempo.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/826,086 | 2004-04-16 | ||
US10/826,086 US7087177B2 (en) | 2004-04-16 | 2004-04-16 | Methods for determining flow rates of biological fluids |
PCT/US2005/012204 WO2005105178A2 (en) | 2004-04-16 | 2005-04-11 | Methods for determining flow rates of biological fluids |
Publications (3)
Publication Number | Publication Date |
---|---|
BRPI0509838A true BRPI0509838A (pt) | 2007-10-23 |
BRPI0509838B1 BRPI0509838B1 (pt) | 2018-02-14 |
BRPI0509838B8 BRPI0509838B8 (pt) | 2021-06-22 |
Family
ID=34965542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0509838A BRPI0509838B8 (pt) | 2004-04-16 | 2005-04-11 | sistemas e métodos para determinar taxas de vazão de fluidos biológicos" |
Country Status (7)
Country | Link |
---|---|
US (2) | US7087177B2 (pt) |
EP (1) | EP1740238B1 (pt) |
JP (1) | JP4531808B2 (pt) |
CN (1) | CN1964753A (pt) |
BR (1) | BRPI0509838B8 (pt) |
CA (1) | CA2561298C (pt) |
WO (1) | WO2005105178A2 (pt) |
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US20090211962A1 (en) * | 2008-02-27 | 2009-08-27 | Kyungyoon Min | Processing chambers for use with apheresis devices |
US8685258B2 (en) | 2008-02-27 | 2014-04-01 | Fenwal, Inc. | Systems and methods for conveying multiple blood components to a recipient |
US8075468B2 (en) | 2008-02-27 | 2011-12-13 | Fenwal, Inc. | Systems and methods for mid-processing calculation of blood composition |
US8871434B2 (en) | 2008-03-21 | 2014-10-28 | Fenwal, Inc. | Red blood cell storage medium for extended storage |
US8968992B2 (en) * | 2008-03-21 | 2015-03-03 | Fenwal, Inc. | Red blood cell storage medium for extended storage |
US20110086752A1 (en) * | 2009-10-08 | 2011-04-14 | Brierton Mark J | Dynamically balanced chamber for centrifugal separation of blood |
WO2011049709A1 (en) | 2009-10-23 | 2011-04-28 | Fenwal, Inc. | Methods and systems for providing red blood cell products with reduced plasma |
US8852140B2 (en) | 2011-01-12 | 2014-10-07 | Fenwal, Inc. | System and method for adjustment of blood separation procedure parameters |
EP2500095A1 (de) | 2011-03-15 | 2012-09-19 | Siemens Healthcare Diagnostics Products GmbH | Vorrichtungen und Verfahren zur Bestimmung der Plättchenfunktion in einem Zentrifugalanalyzer |
US9327296B2 (en) | 2012-01-27 | 2016-05-03 | Fenwal, Inc. | Fluid separation chambers for fluid processing systems |
AU2013313352B2 (en) * | 2012-09-04 | 2017-03-02 | Fenwal, Inc. | Interface detector for blood processing system |
US8803090B2 (en) | 2012-11-09 | 2014-08-12 | Fenwal, Inc. | Citrate detector for blood processing system |
EP3124063B1 (en) | 2015-07-29 | 2019-04-10 | Fenwal, Inc. | Five-port blood separation chamber and methods of using the same |
CN106111356B (zh) * | 2016-06-29 | 2019-03-19 | 四川南格尔生物科技有限公司 | 一种探测装置及探测方法 |
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-
2004
- 2004-04-16 US US10/826,086 patent/US7087177B2/en active Active
-
2005
- 2005-04-11 WO PCT/US2005/012204 patent/WO2005105178A2/en active Application Filing
- 2005-04-11 BR BRPI0509838A patent/BRPI0509838B8/pt active IP Right Grant
- 2005-04-11 EP EP05733424.5A patent/EP1740238B1/en active Active
- 2005-04-11 CA CA2561298A patent/CA2561298C/en active Active
- 2005-04-11 JP JP2007508429A patent/JP4531808B2/ja active Active
- 2005-04-11 CN CNA2005800123301A patent/CN1964753A/zh active Pending
-
2006
- 2006-06-29 US US11/427,402 patent/US7396452B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
BRPI0509838B8 (pt) | 2021-06-22 |
CN1964753A (zh) | 2007-05-16 |
BRPI0509838B1 (pt) | 2018-02-14 |
US20050230328A1 (en) | 2005-10-20 |
JP4531808B2 (ja) | 2010-08-25 |
CA2561298A1 (en) | 2005-11-10 |
JP2007532248A (ja) | 2007-11-15 |
CA2561298C (en) | 2012-09-25 |
US20070000848A1 (en) | 2007-01-04 |
US7396452B2 (en) | 2008-07-08 |
US7087177B2 (en) | 2006-08-08 |
EP1740238B1 (en) | 2013-08-07 |
EP1740238A2 (en) | 2007-01-10 |
WO2005105178A2 (en) | 2005-11-10 |
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