Abstract:
A centrifuge to which sample tubes can be introduced while the centrifuge is in motion. The centrifuge comprises a carousel (202) having an upper portion (204) and a lower portion (206). The upper portion of the carousel has a plurality of positions for sample tubes for a centrifugation operation, a plurality of drive mechanisms (230) attached to the upper portion of the carousel, a movable element (352) mounted upon each drive mechanism, the movable element capable of traversing the length of the drive mechanism when the drive mechanism is actuated, a sample tube-holding assembly (258) comprising a sample tube holder (260) and a bearing (262) attached to each movable element, and at least one balancing element (320, 322) capable of contributing to a force vector that cancels an imbalance vector generated by rotation of the centrifuge.
Abstract:
A system for managing bulk liquids for an automated clinical analyzer. The system comprises (a) at least one local reservoir for storing a bulk liquid for impending use, (b) at least one container for holding a bulk liquid before the liquid is transferred to a local reservoir, and (c) a controller for monitoring the level of a bulk liquid in a local reservoir. The local reservoir for storing a bulk liquid for impending use can be a trough. The use of troughs for storing a reagent, a diluent, or some other treating agent for impending use enables an aspirating/dispensing device having a plurality of pipettes to aspirate and dispense the reagent, diluent, or other treating agent at a high rate of throughput. The controller can monitor the level of a liquid in (a) a local reservoir for storing a bulk liquid for imminent use and the level of liquid in a (b) container for holding a bulk liquid before the liquid is transferred to a local reservoir. In the laboratory automation system described herein, the container for holding a bulk liquid before the liquid is transferred to a local reservoir can be a bottle. Other desirable features in the system include, but are not limited to, pump(s), valves, liquid level sensors.
Abstract:
A laboratory automation system that is capable of carrying out clinical chemistry assays, immunoassays, amplification of nucleic acid assays, and any combination of the foregoing, said laboratory automation system employing at least one of micro-well plates and deep multi-well plates as reaction vessels. The use of micro-well plates as reaction vessels enables the laboratory automation system to assume a variety of arrangements, i.e., the laboratory automation system can comprise a variety of functional modules that can be arranged in various ways. In order to effectively carry out immunoassays by means of micro-well plates, a technique known as inverse magnetic particle processing can be used to transfer the product(s) of immunoassays from one micro-well of a micro-well plate to another.
Abstract:
A system for automation of laboratory analyzers that utilizes radio frequency identification (RFID) tags and radio frequency identification (RFID) readers to identify containers and vessels, and the contents thereof, that are employed in the system. Radio frequency identification tags, conforming to the guidelines of ISO 14443 or ISO 15693 or ISO 18000, are positioned on the items of interest, such as, for example, reagent containers, sample containers, and microplates. These tags can be read by and written to by either a moving antenna of a RFID reader or a stationary antenna of a RFID reader. Reading of RFID tags and writing to RFID tags are controlled by software.