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Method and device for processing and analyzing particles extracted by tangential filtration

A technology of particles and filter elements, which is applied in the field of processing and analyzing particles, processing and analyzing particles extracted by filtration, and can solve problems such as low efficiency

Active Publication Date: 2021-11-12
POCARED DIAGNOSTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So while backwashing a filter does remove particles from the filter, the process is very inefficient and the total amount of liquid required can create secondary mixing of liquid / particles with excess liquid

Method used

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  • Method and device for processing and analyzing particles extracted by tangential filtration
  • Method and device for processing and analyzing particles extracted by tangential filtration
  • Method and device for processing and analyzing particles extracted by tangential filtration

Examples

Experimental program
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Embodiment Construction

[0100] figure 1 A prior art filter device 10 is shown having a top element 15, a bottom element 20 and a filter element 25 therebetween. figure 1 For the decomposition diagram, figure 2 An assembled schematic with the same parts, but with the top element 15 and bottom element 20 drawn together to compress the filter element 25 therebetween. As an overview, focus on figure 2 Above, the liquid / particle mixture is introduced through the inlet / outlet 30 into a channel (not shown) extending through the top member 15 . The inlet 35 is closed and the suction outlet 40 provides a vacuum, drawing the liquid / particle mixture through the filter element 25 such that oversized particles remain on the upper surface 45 of the filter element 25 . Thereafter, the inlet 35 is opened and the suction outlet 40 is closed. Subsequently, eluent is introduced into inlet 35 to tangentially flush upper surface 45 of filter element 25 . This results in a reduction in the volume of the liquid / part...

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PUM

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Abstract

The invention provides a method and device for processing and analyzing particles extracted by tangential filtration. For example, a filter arrangement with a top element and a bottom element and a filter element therebetween captures oversized particles on the upper surface of the filter element and tangentially rinses these particles using an elution fluid to provide a concentration of particles in a relatively low volume of fluid for further analysis. A configuration using a slider valve may also be utilized. Additionally, an arrangement of supply and receiving containers may be used to minimize the number of containers required. A mass flow meter may be incorporated to measure the flow of elution fluid. Finally, a wash stage of the filtering process may be used to introduce stain onto the particles for further analysis, such as that associated with Gram staining and these stained particles may be further analyzed.

Description

[0001] This application is a divisional application of the application dated December 4, 2014, the application number is "201480074682.9", and the title of the invention is "Method and device for processing and analyzing particles extracted by tangential filtration". [0002] Cross References to Related Applications [0003] This application claims U.S. Provisional Application Serial No. 61 / 911,840, filed December 04, 2013, U.S. Provisional Application Serial No. 62 / 017,604, filed June 26, 2014, and U.S. Provisional Application Serial No. 62 / 017,604, filed September 16, 2014 Priority of 62 / 050,859. Its entire content is hereby incorporated by reference. technical field [0004] The present application relates generally to methods and apparatus for processing and analyzing particles, and more particularly to methods and apparatus for processing and analyzing filter-extracted particles. Background technique [0005] Mechanical particle filters are used to extract particles f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D61/00B01D65/02C12Q1/24G01G17/04G01N1/30G01N15/00
CPCG01N5/02G01N2015/0053G01F15/125G01G17/06G01N33/493B01L3/502753B01L2300/0681B01L2400/0622B01L2400/065G01N1/2813G01N1/30B01L2400/0487Y10T436/25375G01N1/4077G01N2001/4088B01D29/0095B01D37/00C12Q1/24G01N2001/302
Inventor 乔纳森·格芬克尔加尔·因格贝尔
Owner POCARED DIAGNOSTICS