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US 4,595,011 AGranted
Transdermal dosimeter and method of use
OwnerMichael Phillipsinventor
Life of this patent
Estimating the term…
Abstract
A transdermal dosimeter, a device used to monitor exposure to chemical agents is disclosed. The device is attached to the skin surface and functions by causing the uptake of compounds that are excreted through the skin.
Claims31
A transdermal dosimeter for use in a diagnostic test which comprises:
- (a) a sealed container constructed of chemically intert, flexible, fluid-tight, adhesive material;
- (b) a dermal contact bridge in the container which comprises a fluid component and a support means component for supporting the fluid component within the container;
- (c) a collecting component means in the container and in contact with the dermal contact bridge, for providing storage for fluid substances collected from the dermal contact bridge, said collecting component means being impregnated with an osmotically active crystalloid material;
- and
- (d) a process component in the container made of fluid absorbent material containing a chemical reagent which reacts with the stored substances, said process component being in contact with the collecting component.
2 more elements
A diagnostic test, which comprises the steps of:
- providing a dosimeter which comprises;
- (a) a sealed container constructed of chemically inert, flexible, fluid-tight, adhesive material;
- (b) a dermal contact bridge which comprises a fluid component and a support means component for supporting the fluid component within the container;
- (c) a collecting component means in the container and in contact with the dermal contact bridge, for providing storage for fluid substances collected from the dermal contact bridge, said collecting component means being impregnated with an osmotically active crystalloid material;
- and
- (d) a process component in the container made of fluid absorbent material containing a chemical reagent which reacts with the stored substances, said process component being in contact with the collecting component;
- affixing the dosimeter to the skin of a test subject;
- removing the dosimeter after a period of time;
- and
- determining the results of the test.
7 more elements
Dependencies are inferred from the claim text.