Interstitial fluid collection and constituent measurement
First Claim
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1. An apparatus for simultaneously collecting a sample of a patient'"'"'s body fluid and preparing a collected sample for subsequent testing for an analyte contained within the collected sample, the apparatus comprising:
- a housing sized to be manipulated by a patient with a housing end place against a skin surface of the patient;
a penetration member carried on the housing, the penetration member having a protruding end protruding from the housing, the protruding end for penetrating the skin surface, but not through a dermis, upon placement of the housing end against the skin surface;
a test site carried on the housing; and
a fluid flow pathway from the protruding end to the test site for fluid to flow from the protruding end to the test site when the protruding end is penetrated into the skin surface.
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Abstract
An apparatus and method is disclosed for obtaining and measuring constituents in a sample of body fluid. The apparatus includes a member which is sized to penetrate into at least the dermal layer of skin to collect a sample of body fluid located within the dermal layer.
191 Citations
4 Claims
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1. An apparatus for simultaneously collecting a sample of a patient'"'"'s body fluid and preparing a collected sample for subsequent testing for an analyte contained within the collected sample, the apparatus comprising:
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a housing sized to be manipulated by a patient with a housing end place against a skin surface of the patient; a penetration member carried on the housing, the penetration member having a protruding end protruding from the housing, the protruding end for penetrating the skin surface, but not through a dermis, upon placement of the housing end against the skin surface; a test site carried on the housing; and a fluid flow pathway from the protruding end to the test site for fluid to flow from the protruding end to the test site when the protruding end is penetrated into the skin surface. - View Dependent Claims (2, 3, 4)
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Specification