Device and method for allergy testing

Details Device and method for allergy testing Device and method for allergy testing

1987-02-17

1989-02-07

Coven, Edward M.

Surgery

Truss

Pad

A61B 504

Patent

active

048024937

ABSTRACT:
A method for allergy testing is carried out by: applying to the skin of a patient test strip formed of a thin, flexible strip of adhesive tape a portion of which carries on its adhesive side at least one skin-penetrating lance carrying an allergen; pressing the test strip against the skin to cause temporary adhesion of the strip to the skin and to cause the lance to penetrate the skin to a depth less than the subcutaneous tissue thereby carrying the allergen into the skin and maintaining contact between the allergen and the thus-traumatized skin cells; and leaving the strip in place for a period of time sufficient for the patient's skin, if allergic to the allergen, to produce a visible allergic reaction. The test strip may be transparent so that the skin reaction can be observed through the strip. The strip may include a plurality of closely-spaced lances or a single lance.

REFERENCES:
patent: Re25637 (1964-09-01), Kravitz et al.
patent: 2304817 (1942-12-01), Grozln
patent: 2893392 (1959-07-01), Wagner et al.
patent: 3072122 (1963-01-01), Rosenthal
patent: 3136314 (1964-06-01), Kravitz
patent: 3556080 (1971-01-01), Hein
patent: 3814097 (1974-06-01), Ganderton et al.
patent: 4090752 (1978-05-01), Long
patent: 4304241 (1981-12-01), Brennan

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