Cell Collecting Devices and Methods for Collecting Cells
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United States of America Patent
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Issued Date -
May 26, 2011
app pub date -
Nov 20, 2009
filing date -
Nov 20, 2009
priority date (Note) -
Abandoned
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Abstract
A cell collecting device having a housing with an inlet for receiving cells, a cell attractant cavity have a cell attractant, a cell collection channel running from the inlet to the cell attractant cavity, and a plurality of electrodes positioned to detect the presence of cells is disclosed. The cell attractant cavity may include a porous medium, such as, a hydrogel, containing the cell attractant, such as, epidermal growth factor. The channel may include a plurality of restrictions and expansions to assist in maintaining the porous medium while permitting the passage of attractant and cells. The device may be implanted into a patient for an extended period of time, and then removed and examined. A method for collecting cells, an implantable attractant dispersing device, and a porous medium for controlled releasing of a compound are also disclosed.
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