[특허]Microfluidic pumping

Microfluidic pumping 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04B-019/24
출원번호	US-0561092 (2000-04-28)
발명자 / 주소	Caren Michael P.
출원인 / 주소	Agilent Technologies, Inc.
대리인 / 주소	Stewart
인용정보	피인용 횟수 : 15 인용 특허 : 28

초록 ▼

A microfluidic pumping apparatus and method using the apparatus. The apparatus may include a first pulse jet and working fluid in the pulse jet such that the first pulse jet, in response to activation by a set of electrical pulses, moves corresponding pulses of fluid from a first to an second side of the first pulse jet. A chamber with an opening is in pressure communication and with the first side of the first pulse jet such that activation of the first pulse jet causes a reduced pressure at the opening. The method comprising contacting the opening with a fluid and activating the first pulse jet so as to draw a sample fluid through the opening into the chamber. A second pulse jet, oppositely oriented from the first, may be provided to discharge loaded sample fluid.

대표청구항 ▼

[ What is claimed is:] [1.]1. A microfluidic pumping method using:(i) a first pulse jet and working fluid in the pulse jet such that the first pulse jet, in response to activation by a set of electrical pulses, moves corresponding pulses of fluid from a first to an second side of the first pulse jet; and(ii) a chamber with an opening to ambient atmosphere and in pressure communication with the first side of the first pulse jet such that activation of the first pulse jet causes a reduced pressure at the opening; method comprising contacting the opening with a fluid and activating the first pulse jet so as to draw a sample fluid through the opening into the chamber.

이 특허에 인용된 특허 (28)

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Howitz Steffen,DEX ITX D-01309 ; Pham Minh Tan,DEX ITX D-01324, Fluid microdiode.
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Zengerle Roland,DEX ; Stehr Manfred,DEX ; Messner Stephan,DEX, Fluid pump.
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Boger David L. (Mishawaka IN) Jaichandra Doraiswami (Granger IN) Jaworski Donald L. (Mishawaka IN) Perry Joseph E. (Osceola IN), Fluid sensing pipette.
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Lape Larry J. (Sugarland TX), Fluid transfer apparatus.
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Rife Jack C. ; Bell Michael I. ; Horwitz James ; Kabler Milton N., Fluidic drive for miniature acoustic fluidic pumps and mixers.
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Koto Haruhiko (Shiojiri JPX), Ink jet recording head.
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Oberli Rudolf (Langenthal CHX), Method and apparatus for transferring a liquid sample.
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Forster Fred K. ; Bardell Ron L. ; Sharma Nigel R., Method for making micropumps.
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Ohman Ove,SEX ; Vieider Christian,SEX, Method for the manufacture of a membrane-containing microstructure.
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Lewis Gregory D. (Cary NC) Keiter Dean L. (Durham NC) Moreno Mario (Durham NC), Method of detecting an obstruction in a fluid flow line of a medical laboratory instrument.
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DeBoer Charles D. ; Fassler Werner ; Pickering James E., Microfluidic image display.
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Wen Xin ; Fassler Werner ; DeBoer Charles D., Microfluidic printing using hot melt ink.
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Kamper Klaus-Peter,DEX ; Dopper Joachim,DEX, Micromembrane pump.
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Richter Axel (Munich DEX) Sandmeier Herrmann (Munich DEX), Microminiaturized electrostatic pump.
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Tsung Pan Alfred I. (Mountain View CA), Monolithic thermal ink jet printhead with integral nozzle and ink feed.
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Kane Michael G. ; McBride Sterling Eduard ; York Pamela Kay ; Ludington David N., Multi-element fluid delivery apparatus and methods.
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Brennan Thomas M. (Hillsboro CA), Piezoelectric pumping device.
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Perlman Daniel (Arlington MA), Pipetter barrel extension tube.
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Miyake Ryo (Shimoinayoshi JPX) Ohki Hiroshi (Tsuchiura JPX) Enoki Hideo (Shimoinayoshi JPX) Kaneko Toshio (Katsuta JPX) Horiuchi Hideyuki (Abiko JPX), Pipetter, pipette tube, sample analyzing apparatus including them and method of mixing and pipetting liquids.
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Paul Carlton H., Pneumatic control of formation and transport of small volume liquid samples.
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Leopando Mark E. (545 E. Cypress Ave. ; Unit E Burbank CA 91501), Slide dispensing device and method.
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van Lintel Harald T. G. (Enschede NLX), Two valve micropump with improved outlet.
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Uffenheimer Kenneth F. (Mahopac NY) Di Domenico Nicholas F. (Pine Bush NY) Weitz Stephen L. (Alameda CA), Ultra low sample liquid analysis apparatus and method.
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이 특허를 인용한 특허 (15)

Luharuka,Rajesh; Wu,Chi Fu; Hesketh,Peter, Apparatus for fluid storage and delivery at a substantially constant pressure.
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Facer, Geoffrey Richard; Nassef, Hany Ramaz, Devices and methods for holding microfluidic devices.
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Mu, Richard; Xie, Yonglin, Drop ejection using immiscible working fluid and ink.
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Gilbert, John, Droplet dispensing system.
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Luft,Siegfried; Neufeld,Gerald; Stiles,David, Method and apparatus for variable rate pipes.
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Beebe, David J.; Meyvantsson, Ivar; Warwick, Jay W.; Toepke, Michael, Method for controlling communication between multiple access ports in a microfluidic device.
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Beebe, David J.; Warrick, Jay W.; Toepke, Michael W.; Meyvantsson, Ivar; Walker, Glenn M., Method of pumping fluid through a microfluidic device.
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Beebe, David J.; Warrick, Jay W.; Toepke, Michael W.; Meyvantsson, Ivar; Walker, Glenn M., Method of pumping fluid through a microfluidic device.
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Beebe,David J.; Walker,Glenn M., Method of pumping fluid through a microfluidic device.
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Beebe, David J.; Warrick, Jay W., Microfluidic device and method for coupling discrete microchannels and for co-culture.
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Caren, Michael P., Microfluidic pumping.
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Webster, James Russell; Chang, Ping; Wang, Shaw-Tzuv; Chen, Chi-Chen; Hong, Rong-I, Miniaturized fluid delivery and analysis system.
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Gerhardt, Geoff C.; Charlton, Christopher C., Variable resistance fluid controller.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Microfluidic pumping 원문보기