Sysmex Corporation

Seiichiro Tabata

Takeshi Yamamoto

Masatoshi Yanagida

Kazuhiro Yamada

Yasuyuki Kawashima

Kunio Ueno

Takao Fujiwara

Kenji Akama

Masaki Ishisaka

Kazuhiro Sasaki

Yoshihiko Kitawaki

Yoshinobu Miura

Hiroyasu Sumida

Fumiya Futamatsu

A pretreatment apparatus () for performing pretreatment of a sample is provided with a holder () for holding a container () containing a sample, a centrifugal separation device () for rotating the container () held by the holder () to perform a centrifugal separation, a temperature adjustment device () for adjusting the temperature of the sample in the container () in the holder (), an input device () for receiving from a user a designated temperature that is adjusted by the temperature adjustment device (), a controller () for controlling the temperature adjustment device () in accordance with the designated temperature received via the input device ().

Pretreatment apparatus and pretreatment method

A cell detection device and a cell detection method is provided with which it is possible to efficiently acquire images of cells to be measured. Cell detection device comprises flow cell through which a measurement specimen that contains particles is caused to flow, particle detector for detecting the particles in the measurement specimen supplied to flow cell, particle sorter for sorting particles that satisfy a detection condition and other particles on the basis of the result of detection performed by particle detector, specimen supply part for supplying, to flow cell, an image-capture specimen that includes detection-condition-satisfying particles that have been sorted by particle sorter, and particle-image-capture part for capturing images of the particles in the sorted image-capture specimen supplied to flow cell.

Cell detection device and cell detection method

A particle imaging apparatus comprises a flow path comprising a first flow path section, a second flow path section connected downstream of the first flow path section, and a third flow path section that is branched from the first flow path section, a particle detection unit comprising a light source and a light detector, a particle sorting unit configured to adjust a flow direction of the particle, and a particle imaging unit configured to take an image of a particle that flows in the second flow path section. The flow path is structured such that a cross-sectional area of the second flow path section is greater than a cross-sectional area of the first flow path section. The first flow path section and the second flow path section are disposed so as to be linearly aligned.

Particle imaging apparatus and particle imaging method

A blood analyzer comprises a light source unit configured to irradiate light on a measurement sample prepared from blood, a fluorescent light detecting unit configured to detect auto-fluorescence produced by red blood cells in the measurement sample which is irradiated by light, an information processing unit configured to obtain auto-fluorescence information related to red blood cells which produce auto-fluorescence detected by the fluorescent light detecting unit. The information processing unit is configured to make a determination regarding anemia based on the auto-fluorescence information.

Blood analyzer, diagnostic support method, and non-transitory storage medium

A flow cytometer comprises a flow cell configured to induce a flow of a sample containing object particles, a light source, an irradiating optical system configured to irradiate light from the light source on the flow of particles in the flow cell, a detecting part configured to detect light given off from the flow of particles which are irradiated by light. The irradiating optical system comprises a collective lens having an optical axis symmetric aspherical surface on one surface, and a cylindrical surface on the other surface.

Flow cytometer, particle analyzer, and flow cytometric method

A blood cell analyzer comprises a flow cell configured to flow a measurement specimen containing blood cells, a first light source configured to emit light having a first wavelength, a second light source configured to emit light having a second wavelength different from the first wavelength, a first light receiving portion configured to receive first scattered light obtained by irradiating the blood cells passing through the flow cell with light from the first light source, a second light receiving portion configured to receive second scattered light obtained by irradiating the blood cells passing through the flow cell with light from the second light source, and a control section configured to discriminate at least red blood cells from the blood cells contained in the measurement specimen based on detection signals output from the first light receiving portion and the second light receiving portion, respectively.

Blood cell analyzer and blood cell analyzing method

A particle analyzer comprises a light source, a flow cell, an irradiating optical system, and a light receiving optical system. The light receiving optical system comprises a light focusing lens system which includes a light focusing lens configured to focus forward scattered light from the particles, a light receiving member configured to receive the forward scattered light, and a beam stopper. The beam stopper is provided in the light path between the light focusing lens system and the light receiving member. The light focusing lens has an aspheric lens form. The light focusing lens system is configured such that the focal distance of the forward scattered light through the central area which includes the optical axis is longer than the focal distance of the forward scattered light through the peripheral area outside the central area.

Particle analyzer, optical system for particle analyzer, and lens for particle analyzer

A compact optical system for a particle analyzer and particle analyzer using same are provided. The optical system for a particle analyzer of the present invention comprises a light source, an irradiation optical system for irradiating particles passing through a flow cell with light from the light source, a photodetector for receiving the scattered light from the particles, a light shielding member for blocking the direct light from the light source from impinging the photodetector, and a detecting lens for directing the scattered light toward the photodetector, wherein the irradiation optical system forms a first focus that focuses the light from the light source on the particle passing through the flow cell, and forms a second focus that focuses the light from the light source at a position between the detecting lens and photodetector, and disposes the light shielding member at the position of the second focus.

Optical system for a particle analyzer and particle analyzer using same

A sample analyzer for analyzing a biological sample is disclosed that comprising: a measurement specimen preparation section for preparing a measurement specimen by using a reagent and the biological sample; a irradiator for irradiating the measurement specimen with a light; a first light receiving section for receiving a light from the measurement specimen and converting the received light into an electrical signal; a analysis section for analyzing the measurement specimen based on the electrical signal output by the first light receiving section; and a selection section for selecting an intensity of light to be irradiated by the irradiator, wherein the irradiator is configured to irradiate with a light of an intensity corresponding to the light intensity selected by the selection section.

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Kobe, Japan

Seiichiro Tabata