The present disclosure is directed to methods and devices for reducing or otherwise mitigating accumulated reagent material and/or fluids within a dispense nozzle of a dispenser.

A fluid analysis arrangement (1) comprises a particle quantifying device (4), a holder (6), a robot (3), a washing station (5) and a control unit (2). The particle quantifying device (4) has a sensor unit (42) with a sensing stick (421) to be arranged in a fluid to sense for particles in the fluid, and an evaluation unit (41). The holder (6) has a plurality of seats each configured to receive a container in which a sample fluid is arranged. The control unit (2) is connected to the particle quantifying device (4) and the robot (3). The sensor unit (42) is mounted to the robot (3). The control unit (2) is configured to control the robot (3) to arrange the sensing stick (421) in one of the sample fluids of each container received in the seats of the holder (6) after another, activate the particle quantifying device to sense for particles in the sample fluids, and control the robot (3) to arrange the sensing stick (421) in the washing station (5) after each sensing for particles in one of the sample fluids and before arranging the sensing stick (421) in a next one of the sample fluids.

The present disclosure relates to a cleaning device and a chemiluminescence detector. A cleaning device is provided with a cup inlet station and a cup outlet station, wherein the cleaning device comprises a pedestal, a plurality of magnetic adsorption components, a turntable arranged on the pedestal, and a primary cleaning mechanism arranged on the pedestal, wherein each of the plurality of magnetic adsorption components comprises a plurality of magnets; magnetic adsorption heights of a plurality of magnets of the first magnetic adsorption component are equal and are recorded as A; magnetic adsorption heights of a plurality of magnets of the middle magnetic adsorption component are equal and are recorded as B, and B>A.

The present disclosure is directed to methods and devices for reducing or otherwise mitigating accumulated reagent material and/or fluids within a dispense nozzle of a dispenser.

Provided is fluid control equipment for bio-reaction, including a pipette configured to transport a reaction solution, and a liquid pump configured to adjust the internal pressure of the pipette.

The present application relates to a method for operating a dosing device with a control unit and a dosing unit. The dosing unit has a cannula with a first volume and a tip, and also a sampling container fluidically connected to the cannula. In a first step, the dosing unit is moved linearly at a predetermined speed in a first direction along an axis, such that the cannula is moved into a vessel containing at least one liquid. At the same time, fluid is aspirated constantly through the cannula with a predetermined volumetric flow by a pump device. At least one optical parameter of the aspirated fluid is measured by at least one optical sensor, which is arranged between the cannula and the sampling container. When a change of the at least one optical parameter is detected, a first position of the dosing unit on the axis is stored by the control unit and the movement of the dosing unit is interrupted. The control unit then calculates a second position of the dosing unit on the axis, at which second position the tip of the cannula has penetrated a first phase boundary, in particular upon immersion into the liquid. The calculation is performed on the basis of the first position, the predetermined speed, the first volume and the predetermined volumetric flow.

Described herein are systems and methods used for washing needle assemblies with multiple needles.

The fluid temperature within piping of a sample dispensing system is stabilized in order to maintain stable dispensing performance with high precision in an automatic analyzer. A controller executes a first operation sequence to operate the sample dispensing system in a standby state continued until the sample is transported to the sample dispensing position, and executes a second operation sequence to operate the sample dispensing system in an analysis state in which the sample located in the sample dispensing position is dispensed. A time period during interior cleaning performed on the sample probe in a single cycle of the first operation sequence is set to be shorter than a time period during interior cleaning performed on the sample probe in a single cycle of the second operation sequence. Alternatively, the first operation sequence is configured to perform interior cleaning at a rate of once every multiple of cycles.

A clinical diagnostic sample analyzer for analyzing a sample of a patient is disclosed. The analyzer includes a telescoping closed-tube sampling assembly with a sample probe concentrically housed within a piercing probe and a venting mechanism. The closed-tube sampling assembly is used for aspirating a sample from a sample tube for analysis by a clinical diagnostic sample analyzer.

The present disclosure relates to a cleaning device and a chemiluminescence detector. A cleaning device is provided with a cup inlet station and a cup outlet station, wherein the cleaning device comprises a pedestal, a plurality of magnetic adsorption components, a turntable arranged on the pedestal, and a primary cleaning mechanism arranged on the pedestal, wherein each of the plurality of magnetic adsorption components comprises a plurality of magnets; magnetic adsorption heights of a plurality of magnets of the first magnetic adsorption component are equal and are recorded as A; magnetic adsorption heights of a plurality of magnets of the middle magnetic adsorption component are equal and are recorded as B, and B>A.