Coating processes – Medical or dental purpose product; parts; subcombinations;... – Analysis – diagnosis – measuring – or testing product
Reexamination Certificate
2010-01-15
2011-11-08
Yuan, Dah-Wei (Department: 1717)
Coating processes
Medical or dental purpose product; parts; subcombinations;...
Analysis, diagnosis, measuring, or testing product
C204S403060, C435S025000, C427S384000, C427S002120, C427S430100, C427S443200
Reexamination Certificate
active
08053018
ABSTRACT:
The invention provides an implantable membrane for regulating the transport of analytes therethrough that includes a matrix including a first polymer; and a second polymer dispersed throughout the matrix, wherein the second polymer forms a network of microdomains which when hydrated are not observable using photomicroscopy at 400× magnification or less. In one aspect, the homogeneous membrane of the present invention has hydrophilic domains dispersed substantially throughout a hydrophobic matrix to provide an optimum balance between oxygen and glucose transport to an electrochemical glucose sensor.
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pate
McClure Jason D.
Rhodes Rathbun K.
Shults Mark C.
Tapsak Mark A.
Bowman Andrew
DexCom, Inc.
Knobbe Martens Olson & Bear LLP
Yuan Dah-Wei
LandOfFree
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