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ANTI-BOLUS CONTROL METHOD AND CORRESPONDING DEVICE
专利权人:
发明人:
申请号:
HK12109884.6
公开号:
HK1169058A
申请日:
2012.10.09
申请国别(地区):
HK
年份:
2013
代理人:
摘要:
The invention relates to a method for controlling the movement of the push device of a syringe driver-type pump, said pump comprising: a casing (100), a syringe cradle (200) in which a syringe (400) is placed, a push device (300) which can move relative to the casing (100) and which can be driven in translation parallel to the longitudinal axis of the syringe by drive means, and engaging means (310, 350, 351) for engaging or disengaging the push device (300) on the drive means. In the method of the invention, the push device (300) is first disconnected from the drive means, allowing same to be moved manually, and the presence or absence of contact between the push device (300) and the syringe head (401) is determined. If the push device is not in contact with the syringe head, it is advanced manually in the direction of the latter. Once the push device comes into contact with the syringe head, the advance movement of the push device is stopped. The advance movement of the push device is only blocked if the push device was not in contact with the syringe head at the start of the operation. Unlike the prior art, it is not the piston of the syringe that is blocked, but the movement of the push device that is stopped as soon as the syringe comes into contact with the push device.Linvention concerne un procédé de contrôle du déplacement du poussoir dune pompe de type pousse-seringue, la pompe comprenant un boîtier (100), un berceau de seringue (200) dans lequel est placée une seringue (400), un poussoir (300) mobile par rapport au boîtier (100) et pouvant être entraîné en translation parallèlement à laxe longitudinal de la seringue par des moyens dentraînement, des moyens dembrayage (310, 350, 351) pour embrayer ou débrayer le poussoir (300) sur les moyens dentraînement. Dans le procédé de linvention, le poussoir (300) est tout dabord désolidarisé des moyens dentraînement, ce qui permet son déplacement manuel, et la présence ou labsence dun contact entre le poussoir (300
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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