METHOD AND APPARATUS FOR COUPLING A SAMPLE PROBE WITH A SAMPLE SITE
First Claim
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1. An apparatus for delivering fluid to a sample site, comprising:
- a fluid reservoir;
an optical probe, comprising;
a manifold, at least one channel, a probe face comprising a center, and at least one groove inset into said probe face;
means for delivering fluid from said fluid reservoir to said manifold, wherein said optical probe head encompasses said manifold,wherein said channel comprises a first end connected to said manifold and a second end connected to said at least one groove.
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Abstract
The invention comprises method and apparatus for fluid delivery between a sample probe and a sample. The fluid delivery system includes: a fluid reservoir, a delivery channel, a manifold or plenum, a channel or moat, a groove, and/or a dendritic pathway to deliver a thin and distributed layer of a fluid to a sample probe head and/or to a sample site. The fluid delivery system reduces sampling errors due to mechanical tissue distortion, specular reflectance, probe placement, and/or mechanically induced sample site stress/strain associated with optical sampling of the sample.
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Citations
28 Claims
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1. An apparatus for delivering fluid to a sample site, comprising:
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a fluid reservoir; an optical probe, comprising;
a manifold, at least one channel, a probe face comprising a center, and at least one groove inset into said probe face;means for delivering fluid from said fluid reservoir to said manifold, wherein said optical probe head encompasses said manifold, wherein said channel comprises a first end connected to said manifold and a second end connected to said at least one groove. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for delivering fluid to a sample site, comprising the steps of:
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providing an optical probe, said optical probe comprising;
a manifold, at least one channel, a probe face comprising a center, and at least one groove inset into said probe face;moving fluid from a reservoir through tubing to said manifold, wherein said optical probe head encompasses said manifold, distributing the fluid in said manifold to said at least one channel; and distributing the fluid through said at least one channel, through said probe face, and to the sample site. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification