Medical device for monitoring blood phenylalanine levels
OwnerRichard Shunnarah, Sheldon May +2inventors
InventorsRichard Shunnarah, Sheldon May, Charlie Oldham, Veronica De Silva
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Abstract
A medical device adapted for the monitoring of blood levels of phenylalanine utilizing colormetric analysis, comprising a unit containing testing elements, or insertion means for receiving a substrate having a test biological sample thereon and a means on said device for displaying a test result for a level of phenylalanine in the biological sample.
Claims12
A test element for determining the level of phenylalanine in a blood sample said test element comprising a layer onto which the sample of blood is applied and a reagent layer containing a material that is interactive with phenylalanine or a precursor of a reaction product of phenylalanine, wherein the reagent layer comprises a) an enzyme which converts phenylalanine to phenylpyruvate;
- b) buffered enzymatic colori-metric reagents wherein a reaction signals the presence/absence of phenylalanine;
- and c) a hydrophilic polymer.
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The device of claim 11, further comprising a memory means for storing previous blood sample results and means for displaying the stored blood sample result.
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Dependencies are inferred from the claim text.