Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter
Reexamination Certificate
1994-04-19
2001-11-20
Snay, Jeffrey (Department: 1743)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Calorimeter
C422S091000
Reexamination Certificate
active
06319467
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an allergy test strip for use in determining if a person has allergic reactions to allergens.
2 . The Prior Art
It is known to test individuals for allergic reactions to various substances that produce these reactions and which are known as allergens. In the past, the testing protocols included applying to a selected area of the person's skin, one or more allergens and to determine what reaction, if any, did occur. Examples of these allergens include dust, mold spores, pollens (i.e., trees and grasses), foods, and insect bites.
Occasionally the medical person conducting the testing loses track of the location for some of the various allergens previously applied to the skin of the person being tested. This places into jeopardy the accuracy of the tests being conducted.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide an allergy test strip that enables the tester to keep track automatically and very accurately of the allergens being administered to the skin of the person being tested.
The above object is achieved according to the present invention by providing an allergy test strip for use in determining if a person has allergic reactions to allergens, comprising a perforated layer of non-allergenic material having an adhesive layer on a back side thereof. The perforated layer has a top side with at least one perforation extending from the top side through the material and through the back side adhesive layer.
This invention will be used by the medical industry during the implementation of allergy testing. To be more specific, it is used during the eighty-four needle test (it may be adapted to other allergy tests as well). The allergy testing strip is made of two strips of non-allergenic material. One strip will be used on each forearm of the patient. Its shape is oblong, with dimensions of 2½ inches by 7 inches.
In a first embodiment, the allergy test strip is a single perforated layer of non-allergenic material having an adhesive layer covering the entire back side thereof with a removable, non-adhesive backing layer covering the bottom surface of the adhesive layer.
In a second embodiment, the allergy test strip is in the form of a multilayer pad having several test strips placed one on top of the other with an aligned adhesive perimeter running around the outside edges of each test strip on the back side thereof. Only the very bottom test strip has a non-adhesive backing layer thereon.
Down the left-hand side of the first strip appears the numbers 1 through 12, starting one inch from the top border and one-quarter of an inch from the left border (with one-half inch increments between each number). Across the top appear the letters A through D, one-half inch from the top border and one-half inch from the left-side border (with one-half inch increments between each letter). Parallel to the numbers and directly vertical to the letters, a one-quarter inch hole has been punched in the material, leaving a grid of 48 holes.
Down the side of the second strip appear the numbers 1 through 12, starting one inch from the top border and one-quarter of an inch from the left border (with one-half inch increments between each number). Across the top appear the letters A through C, one-half inch from the top border and one-half inch from the left-side border (with one-half inch increments between each letter). Parallel to the numbers and directly vertical to the letters, a one-quarter inch hole has been punched in the material, leaving a grid of 36 holes. When the allergy test strips are positioned on the forearm correctly, it will expose the area of skin that is to be used for the allergy test (i.e., allergens will be applied directly through exposed areas of the skin using the appropriate medical techniques).
The use of this device will reduce the preparation time for the medical staff. It will also give a more accurate test, due to the lack of confusion regarding allergenic inks now used in such testing methods.
REFERENCES:
patent: 3073304 (1963-01-01), Schaar
patent: 3894531 (1975-07-01), Saunders, Jr.
patent: 3999504 (1976-12-01), Kearse
patent: 4161176 (1979-07-01), Harris, II et al.
patent: 4228796 (1980-10-01), Gardiner
patent: 5099857 (1992-03-01), Baldo et al.
patent: 5158555 (1992-10-01), Porzilli
patent: 5254109 (1993-10-01), Smith et al.
patent: 5308313 (1994-05-01), Karami et al.
patent: 5735288 (1998-04-01), Fishman
Collard & Roe P.C.
Snay Jeffrey
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