Title: Automatic multichannel apparatus for performing analyses on fluids, in particular for performing clinical-chemistry analyses on biological liquids

Abstract: An automatic multichannel apparatus for performing analyses on fluids, comprising, in combination, an array of sample-holder test tubes, mounted on an intermittently indexed drum, a needle for sample withdrawal carried by a mobile arm and adapted to be successively introduced into the test tubes to aspirate samples to be analyzed, a distributor-mixer complex, for distributing the sample to be analyzed on many segments and adding the various reagents for the various analyses to the samples, means for measuring photometrically the samples and printout of the data related to the analyses.

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Inventors: Welch, Henry H.

Application Number: 011590
Filing Date: 1979-02-12
Publication_date: 1981-03-31
Assignee:
Primary Class(es): 422/63 206/813, 436/47, 525/14, 525/21, 525/25, 702/22
Other Classes:
US Patent Ref:

3617222	Nov, 1971	Matte	356/39.
3660638	May, 1972	Oberli	422/67.
3754444	Aug, 1973	Ure et al.	73/423.
3762879	Oct, 1973	Moran	422/67.
3909203	Sep, 1975	Young et al.	422/67.
3912456	Oct, 1975	Young	422/64.
3917455	Nov, 1975	Bak et al.	422/67.
4058367	Nov, 1977	Gilford	422/67.

Other Refs:
Primary Examiner: Serwin, R. E.
Assistant Examiner:
Attorney: Beveridge, De Grandi, Kline & Lunsford