Shenzhen Mindray Bio-Medical Electronics Co., Ltd.

Yanwen Weng

Jun Wang

Chuanfen Xie

Yueping Chen

Wentao Ju

Jie Ma

Feng Li

Yang Zhou

Peng Du

Zhi Zhang

Hai Jun Wang

Zhihong Wang

Lihua Zhou

Xingcai Zhu

JuanJuan Sun

Wenbo Xu

Ersheng Li

Jiankun Hu

Zhengguo Wang

Changan Wang

Yanning Leng

Chongdong He

A mixing device for a magnetic bead reagent includes a magnetic member, a container storage mechanism, and a drive mechanism. The container storage mechanism includes a mounting part for mounting a magnetic bead liquid container storing a magnetic bead reagent, and the mounting part corresponds to the magnetic member, enabling the container on the mounting part to be located within the magnetic field. The drive mechanism has a drive structure capable of driving at least one of the magnetic member, the mounting part, and the container to move, and thus generating a relative movement between the container and the magnetic field. The direction of the magnetic force acting on the magnetic beads is changed by the relative movement between the magnetic bead reagent and the magnetic field, such that the magnetic beads flow along different directions under the magnetic force, thereby increasing mixing efficiency of magnetic bead reagent.

Device and method for mixing magnetic bead reagent and sample analysis apparatus

An automatic analysis apparatus and an operating method therefor. A temporary storage portion is introduced, a multi-component test project may be divided into new one-step test processes, or a multi-step test process may be divided into new one-step test processes, and test sequences and processes may be re-entered, so that each mechanism, unit and control time sequence may be designed according to one-step test processes in a standard and orderly manner, so as to solve the problem that multi-component test projects and multi-step test processes disturb normal processes, thereby effectively increasing the test speed and the test throughput of the whole machine.

Automatic analysis apparatus and operating method therefor

A sample feeding apparatus, a sample analyzing device, and a control method for a sample feeding apparatus are disclosed. At least two of a feeding unit, a temporary storage unit, and a recovery unit together form a vertical stack structure, and a dispatching manipulator transfers a sample vessel among the feeding unit, the temporary storage unit, the recovery unit, and a sample aspiration region. The space in a vertical direction can be reasonably utilized, superposition is performed in space to simplify the dispatching process, and the occupation of a horizontal space is reduced. As a result, the floor space is reduced, and the apparatus is further miniaturized.

Sample feeding apparatus, sample analyzing device, and control method for sample feeding apparatus

An automatic analysis apparatus and an operating method for the automatic analysis apparatus. At least two magnetic separation units are introduced, each magnetic separation unit operating independently and being used for performing magnetic separation cleaning on a reaction solution in a reaction cup. Each magnetic separation unit may be used for any magnetic separation cleaning step in a one-step test project or a multi-step test project, thereby significantly increasing the test speed and the test throughput of the automatic analysis apparatus.

A reaction vessel pickup mechanism, an automatic loading device, a sample analyzer, and a loading method are disclosed. Driven by a driving structure, each of the pickup blocks moves in a first preset time or a preset distance and then stops or shakes, so that a reaction vessel is dropped from the pickup blocks more easily.

Reaction vessel pickup mechanism, automatic loading device, sample analyzer, and loading method

Provided are nucleic acid extraction apparatuses and operation methods thereof. The apparatus may include at least one cyclically moveable annular structure, at least one pipetting mechanism, at least one injection mechanism and a driving mechanism. The annular structure may be provided with a plurality of cuvette positions and a plurality of operation positions. The pipetting mechanism and the injection operation may be arranged along the annular structure. The driving mechanism may drive the annular structure to move cyclically.

Nucleic acid extraction apparatus and method of operation

Disclosed are liquid surface detection methods and devices, and immunoassay analyzers. By changing the power source input of a signal drive circuit, an effective voltage of a drive signal applied by the signal drive circuit on a liquid dispensing probe is a negative voltage, so that the liquid dispensing probe is protected as the cathode in an electrolytic cell formed between the liquid dispensing probe and the cleaning fluid, and is prevented from being corroded by the cleaning fluid and rusting. Moreover, the intrinsic detection flexibility and performance of the liquid surface detection device can be ensured, and the requirements on the material and process of the liquid dispensing probe are not high, thereby effectively controlling the cost.

Liquid surface detection method and device, and immunoassay analyzer

Disclosed is a sampling device and method for detecting liquid. The device includes a sampling probe; an action module for actuating the sampling probe; a control module for controlling the action module; a detection module for detecting a change of a relevant physical quantity of the sampling probe and converting the physical quantity into a corresponding electric signal output to the control module. The control module processes the electric signal output by the detection module and controls the action module to actuate the sampling probe based on the electric signal. The device is capable of determining abnormal liquid suction situations, making the sampling more reliable.

Sampling device and method

Various embodiments disclose a colorimetric absorbance measurement method and a system for performing the same. The method comprises driving a reaction tray carrying a plurality of reaction cuvettes to rotate at a speed; transferring or rotating filters on a filter wheel to a light path of a light beam, starting from a filter of a first wavelength; and sampling photoelectric data when the light beam has passed through each reaction cuvette in some embodiments. The method ensures consistency in the measurement and synchronization between the calibration and the sample test and reliability of the measurements. Various embodiments simplify data processing and reduce the complexity of the system.

Colorimetric absorbance measurement method, apparatus and system

Various embodiments disclose a liquid level detecting device and method, which comprises: a control unit configured to output control instructions corresponding to environmental information according to the environmental information of a location of a sampling needle; an amplifying unit configured to set a gain according to the control instructions; a converting unit configured to receive and convert a capacitance signal from the sampling needle to a voltage signal; the amplifying unit receives the voltage signal and amplifies the voltage signal according to the gain; the control unit receives the amplified voltage signal and compares the amplified voltage signals with a preset voltage threshold to determine whether the sampling needle contacts the liquid level. Some embodiments further disclose a sample application system. Various embodiments consider both sensitivity and reliability of a detection system and is adaptable to various detection environments.

Liquid level detecting device and sample applying system

Some embodiments of the present invention provide an anti-collision device used for a sample-loading system. This device may include a code plate, an optical coupler, a location signal-detecting unit, a drive pulse counting unit and a drive pulse-sending unit. The optical coupler detects the code plate during the relative movement between the optical coupler and the code plate and outputs detection signals. The location signal detecting unit determines whether to output location signals to the drive pulse counting unit. The drive pulse counting unit judges whether collisions occur to the sample-loading system. Some embodiments of the present invention provide an anti-collision method and a sample-loading system comprising the anti-collision device.

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Shenzhen, China

Yanwen Weng