Hypersensitivity test means

Details Hypersensitivity test means Hypersensitivity test means

A - Human Necessities

61

B

167/44

A61B 10/00 (2006.01)

Patent

CA 1261746

- 22 - ABSTRACT In a strip for allergy patch testing, the test substance is uniformly distributed in a thin supple film made of a film-forming polymer capable of absorbing moisture from the tested skin area when the test strip is in use. Prior methods and materials employed for patch tests, in which the test substances are typically unevenly distributed over the skin contact area, are unsatisfactory from the point of view of safety and variability of the amount of test substance applied. The test strip of the invention has the salutary effects of minimizing the required amount of test substance, thereby increasing the dosage precision, permitting the manufacture of test preparations which are stable in storage, and permitting prefabricated test strips to be made, each containing a plurality of test substance preparations, with little risk of mutual cross- contamination.

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