AUTOMATIC ANALYSIS DEVICE

Uneven wear causes degradation of the individual parts of a syringe pump. Specifically, a seal piece composed of a soft material is easily damaged by uneven wear. To solve this problem, an automatic analysis device has a syringe pump that feeds and aspirates a liquid into and from a dispensing unit....

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Bibliographische Detailangaben
Hauptverfasser:	YAMAZAKI, Hajime, OTSU, Eriko, KOIKE, Hidemi, HIRAMI, Kenichi
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	Uneven wear causes degradation of the individual parts of a syringe pump. Specifically, a seal piece composed of a soft material is easily damaged by uneven wear. To solve this problem, an automatic analysis device has a syringe pump that feeds and aspirates a liquid into and from a dispensing unit. The syringe pump has a syringe tube that stores a liquid, a plunger that moves up and down in 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 plunger lower pressing component that contacts the motive force transmitting part. The plunger upper pressing component and the motive force transmitting part make point contact with each other, and the motive force transmitting part and the plunger lower pressing component make point contact with each other.