AUTOMATIC ANALYSIS DEVICE

Uneven wear is cited as a main cause of degradation of the individual parts of a syringe pump. Syringe pumps are composed of numerous parts, and differences between individual parts, cutters, and so on will lead to deviations that occur when driving and result in uneven wear. Specifically, a seal pi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HIRAMI KENICHI, OTSU ERIKO, YAMAZAKI HAJIME, KOIKE HIDEMI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:Uneven wear is cited as a main cause of degradation of the individual parts of a syringe pump. Syringe pumps are composed of numerous parts, and differences between individual parts, cutters, and so on will lead to deviations that occur when driving and result in uneven wear. Specifically, a seal piece composed of a soft material is easily damaged by uneven wear. In order to solve the above-described problem, the present invention provides an automatic analysis device that comprises a dispensing unit that sucks and discharges a liquid, and a syringe pump that feeds and sucks a liquid to and from the dispensing unit, wherein the automatic analysis device is characterized: in that the syringe pump comprises a syringe tube that can store a liquid, a plunger that can move up and down in the length direction of the syringe tube, a plunger upper pressing component that contacts the plunger, a motive force transmitting part that transmits motive force to the plunger via the plunger upper pressing component, and a pl