Patent · US Expired

Automatic analytical apparatus

US4834944A · kind A · utility

88Cited by
1References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 20, 1987
Grant dateMay 30, 1989
Priority date
Expiry dateApr 20, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2035/00435
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An automatic analytical apparatus comprising a sample cassette for holding a plurality of cups each containing a sample, a pipette means for pipetting the sample contained in the cup into a reaction tube transferred to a predetermined position, a transport means for holding the reaction tube at predetermined spaces, a driving means for intermittently driving the transport means, a diluent pipetting means for pipetting a diluent into the reaction tube containing the sample at a predetermined position according to a measuring item, a pipette transfer means for measuring the sample and the diluent added thereto and for discharging them into a reaction tube held in a measuring turret, a reagent pipetting means for pipetting a reagent according to the measuring item into the sample and diluent in the reaction tube held in the measuring turret, a transfer means for transferring the reaction tube containing the sample, the diluent and the reagent to an absorptiometry position, and an optical measuring means for optically executing an absorptiometry of the sample by irradiating beam of a light source.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.