The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 09, 2016

Filed:

Apr. 12, 2012
Applicants:

Rajen Nirwal Kumar, Troy, MI (US);

Caitlin O'brien Winget, Shelburne, VT (US);

Theresa Kate Fisher, Ann Arbor, MI (US);

Alexander Hobbes Harrington, Ann Arbor, MI (US);

Aliaksandra Kapshai, Ypsilanti, MI (US);

Gillian Elizabeth Henker, Glenshaw, PA (US);

Inventors:

Rajen Nirwal Kumar, Troy, MI (US);

Caitlin O'Brien Winget, Shelburne, VT (US);

Theresa Kate Fisher, Ann Arbor, MI (US);

Alexander Hobbes Harrington, Ann Arbor, MI (US);

Aliaksandra Kapshai, Ypsilanti, MI (US);

Gillian Elizabeth Henker, Glenshaw, PA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/02 (2006.01); A61M 1/00 (2006.01); B01D 35/30 (2006.01); B01D 29/92 (2006.01);
U.S. Cl.
CPC ...
A61M 1/0005 (2013.01); A61M 1/0056 (2013.01); B01D 29/925 (2013.01); B01D 35/02 (2013.01); B01D 35/30 (2013.01);
Abstract

An apparatus including a hollow body, an inlet fluidly coupled to the hollow body, a piston slidably engaged within the hollow body, and a filter arranged within the hollow body between the inlet and piston. The piston and hollow body cooperatively generate a negative pressure, relative to ambient, within the hollow body during piston translation from a first position, proximal the inlet, to a second position, distal the inlet, to draw a fluid, such as blood, through the filter into the hollow body. The piston and hollow body cooperatively generate a positive pressure, relative to ambient, within the hollow body during piston translation from the second position to the first position to egress the filtered fluid from the hollow body.


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