Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Sample mechanical transport means in or for automated...
Patent
1990-07-30
1992-04-14
Hill, Jr., Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Sample mechanical transport means in or for automated...
128743, 424 9, 604 46, 604 47, A61B 500
Patent
active
051046202
ABSTRACT:
A disposable allergy skin testing kit that is formed from a top layer sheet, a membrane sheet, and a bottom layer sheet. The bottom sheet has a plurality of recesses formed at predetermined locations to form chambers into which a predetermined antigen has been deposited. The membrane sheet covers these chambers and forms a liquid tight seal. The top layer sheet has an aperture formed in it above each of the antigen chambers. A pushbutton needle assembly is mounted in each of these apertures and it has a disk-shaped pushbutton with a needle extending downwardly from its bottom surface. Flexible support arms attached to the edge of the apertures and the disk-shaped pushbutton allow it to be depressed a sufficient distance in order to rupture the antigen chamber and travel downwardly entirely through it so that the needle penetrates into the patient's skin taking antigen with it. A protector sheet is removably received between the top layer sheet and the membrane sheet prior to the allergy skin testing kit being used.
REFERENCES:
patent: 2817336 (1957-12-01), Kravitz et al.
patent: 2841138 (1958-07-01), Laub
patent: 2893392 (1959-07-01), Wagner et al.
patent: 2974787 (1961-03-01), Cooper
patent: 4473083 (1984-09-01), Magnias
patent: 4711247 (1987-12-01), Fishman
Brandon Milan L.
Wiley Fred R.
Hill Jr. Robert J.
Logan II Charles C.
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