Surgery – Diagnostic testing – Sensitivity of skin to allergens or radiation
Patent
1996-02-07
1998-05-05
Hindenburg, Max
Surgery
Diagnostic testing
Sensitivity of skin to allergens or radiation
A61B 500
Patent
active
057467005
ABSTRACT:
A skin allergic test assembly comprises at least a skin puncture test bar (3), a tray (50), a antigen-containing cup (9), and a multiple-test-bar access device (19). The skin puncture test bar, which generally comprises a finger grip (4), an elongate stem (6), and a plurality of punctures (12), is characterized in that the elongate stem is provided with a concave surface (10) to which the punctures are attached, so that the penetration made by the skin puncture test bar will have a limited penetration depth to avoid the penetration through of the epidermis layer of the skin of a patient due to the outer edge of the concave surface. By using the skin puncture test bar of the present invention, a good and accurate skin test result can be obtained. The multiple-test-bar access device, which is employed to facilitate a skin allergic test in which various specific kinds of antigen solution are required, generally comprises a main frame (18), a first clamping plate (24), a second clamping plate (26), and an outer panel (28). The first clamping plate and the second clamping plate are furnished respectively with a plurality of semicircular-shaped cuts (34a) (34b) while the outer panel is furnished with two parallel rows of holes (38), where each hole is provided with an arcuate ridge (40) at its outer edge for cooperating with each semicircular-shaped correspondingly cut to form multiple gripping holes therebetween for taking multiple skin puncture test bars simultaneously.
REFERENCES:
patent: 4237906 (1980-12-01), Havstad et al.
patent: 4802493 (1989-02-01), Maganias
patent: 5538134 (1996-07-01), Pitesky
patent: 5551441 (1996-09-01), Pitesky
Hindenburg Max
Liauh W. Wayne
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