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Abstract |
AB |
[DE] Die Erfindung betrifft eine mikrofluidische peristaltische Pumpe (100), welche einen Zulaufkanal (10), eine erste Pumpkammer (20), welche über einen ersten Kanal (30) mit dem Zulaufkanal (10) wirkverbunden ist, und eine erste Membran (40), eine zweite Pumpkammer (50), welche über einen zweiten Kanal (60) mit dem Zulaufkanal (10) wirkverbunden ist, und eine zweite Membran (70) aufweist, wobei der fluidische Widerstand des ersten Kanals (30) von dem fluidischen Widerstand des zweiten Kanals (60) verschieden ist, und dabei jeder Kanal (30, 60) eine Drosselfunktion realisiert, so dass die jeweiligen Membranen (40, 70) beim Anliegen eines Drucks in dem Zulaufkanal (10) in einer zeitlichen Abfolge zum Realisieren einer Pumpfunktion ausgelenkt werden.
[EN] The peristaltic pump (100) has primary and secondary pumping chambers (20,50-52) that are operatively connected to the inflow channel (10) by the primary and secondary channels (30,60-62). A fluidic resistance of the primary channel is different from a fluidic resistance of the secondary channel. The channel is configured to produce a throttling function, such that the primary and secondary membranes (40) are deflected in a time sequence, when a pressure is applied in the inflow channel to produce a pumping function. Independent claims are included for the following: (1) a pumping system; and (2) a method for operating microfluidic peristaltic pump. |
| 56 |
Cited non-patent literature identified in the search |
CTNP |
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CHUN-WEI HUANG ET AL: "Pneumatic micropumps with serially connected actuation chambers", JOURNAL OF MICROMECHANICS & MICROENGINEERING, INSTITUTE OF PHYSICS PUBLISHING, BRISTOL, GB, vol. 16, no. 11, 12 September 2006 (2006-09-12), pages 2265 - 2272, XP020104800, ISSN: 0960-1317, DOI: 10.1088/0960-1317/16/11/003 0;
HOYIN LAI ET AL: "Design and dynamic characterization of "single-stroke" peristaltic PDMS micropumps", LAB ON A CHIP, vol. 11, no. 2, 19 October 2010 (2010-10-19) - 21 January 2011 (2011-01-21), pages 336, XP055097039, ISSN: 1473-0197, DOI: 10.1039/c0lc00023j 0;
KARTALOV EMIL ET AL: "Experimentally validated quantitative linear model for the device physics of elastomeric microfluidic valves", JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747, vol. 101, no. 6, 19 March 2007 (2007-03-19), pages 64505 - 064505, XP012098143, ISSN: 0021-8979, DOI: 10.1063/1.2511688 0;
MUN ET AL: "A novel peristaltic micropump using three wings with different widths for fluid circulation", 14TH INTERNATIONAL CONFERENCE ON MINIATURIZED SYSTEMS FOR CHEMISTRY AND LIFE SCIENCES 2010, vol. 1, 3 October 2010 (2010-10-03) - 7 October 2010 (2010-10-07), MICROTAS 2010, pages 528 - 530, XP009175581, ISBN: 978-1-61839-062-2 0
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