CYTOMETER ANALYSIS CARTRIDGE OPTICAL CONFIGURATION
First Claim
Patent Images
1. A microfluidic cartridge comprising:
- a first member having a first surface and a second surface approximately parallel to each other and at a first distance from each other;
a second member having a first surface and a second surface approximately parallel to each other and at a second distance from each other; and
wherein;
the second surface of the first member is situated on the first surface of the second member;
the second member has a target area at the first surface;
the first member has an opening from the first surface through the second surface; and
the opening is located over the target area.
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Accused Products
Abstract
A medium having microfluidic circuitry for sampling and analyses. The medium may be a cartridge having a window countersunk into it and containing a flow channel. The flow channel may have items of interest flowing through it. Analyses of these items may be optical involving one or more light sources emanating light to and one or more light detectors receiving light from the channel. There are various configurations so that source and detector light cones may reach the flow channel without obscuration or interference of the light to and from the flow channel in the window.
143 Citations
28 Claims
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1. A microfluidic cartridge comprising:
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a first member having a first surface and a second surface approximately parallel to each other and at a first distance from each other;
a second member having a first surface and a second surface approximately parallel to each other and at a second distance from each other; and
wherein;
the second surface of the first member is situated on the first surface of the second member;
the second member has a target area at the first surface;
the first member has an opening from the first surface through the second surface; and
the opening is located over the target area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A cartridge comprising:
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a first layer having a target area on a first surface; and
a second layer situated on the first surface of the first layer; and
wherein;
the second layer has an opening to the target area;
the opening has a location on an upper edge at a distance y from the first surface along a straight line approximately perpendicular to the first surface;
the point is at a distance z along a straight line in the opening to the target area; and
y/z<
0.3. - View Dependent Claims (17, 18, 19, 20)
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21. A cartridge comprising:
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a layer having a first surface and a second surface; and
wherein;
the first surface is approximately parallel to the second surface;
the first surface has an opening into the first layer;
a target area is situated in the opening;
the opening has a point on an upper edge of the first surface;
the point has a distance y to a plane along a line approximately perpendicular to the plane;
the plane is approximately parallel to the second surface and intersects the target area;
the point has a distance z along a straight line in the opening to the target area; and
y/z<
0.3. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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Specification