Patent · US Expired

Assay cartridge

US5219526A · kind A · utility

73Cited by
2References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 27, 1992
Grant dateJun 15, 1993
Priority date
Expiry dateMay 27, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2035/00049
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An assay cartridge suitable for use with automated analytical instruments which include a conveyor such as a carousel. The cartridge is configured with ledges extending outwardly from sides thereof, preferably at the bottom of the cartridge. The conveyor includes berths for receiving the cartridges, each berth being formed as a depressed region within a top surface of the conveyor and bounded by a floor at the bottom of the berth and opposed sidewalls and an end wall extending upwardly from the floor. The sidewalls are preferably parallel to each other. An open end of the berth, opposite the end wall serves as a port through which the cartridge is inserted and extracted from the berth. Each of the sidewalls of the berth is provided with a shoulder which extends inwardly towards a center line of the berth, and upon insertion of the cartridge, extends over the ledges of the cartridge to serve as a guide. The guide includes grooves formed between the shoulders and the floor. Cantilevered tongues are formed in the cartridge ledges, on opposite sides of the cartridge, for interaction with the grooves, regions of the floor being recessed beneath the shoulders to form depressions for rece…

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