| CPC A61M 5/16827 (2013.01) [A61M 5/142 (2013.01); A61M 5/16813 (2013.01); A61M 5/16822 (2013.01)] | 10 Claims |
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1. A multi-channel automatic infusion pump, comprising: a pump body; a pump door; and an infusion switching mechanism, an exhaust device and a bubble detection device which are arranged on the pump body;
an installation panel is formed at the front end of the pump body, and the pump door is movably connected with the installation panel to open or close the installation panel; the installation panel is connected with an infusion consumable to form a placement slot for placing the infusion consumable, the infusion consumable includes a multi-way connection joint and a plurality of upper branch tubes and one main tube respectively connected to both ends of the multi-way connection joint, the multi-way connection joint includes N branch tube joints and 1 main tube joint, wherein N≥2;
the infusion switching mechanism includes a multi-channel liquid-stopping clamp, a liquid-stopping clamp fixing base and a driving structure, wherein the liquid-stopping clamp fixing base is fixed on the installation panel, the front end of the liquid-stopping clamp fixing base is provided with an insertion slot into which the multi-channel liquid-stopping clamp is inserted, the pump door is provided with a sliding slot for the multi-channel liquid-stopping clamp to slide, and the insertion slot and the sliding slot cooperate to form a sliding channel;
the multi-channel liquid-stopping clamp includes a body and N channels formed on the body, each channel includes a liquid-passing section and a liquid-stopping section, wherein the liquid-passing section and the liquid-stopping section on each channel are arranged in a manner that any one of the upper branch tubes is located on the liquid-passing section of the corresponding channel while other upper branch tubes are located on the liquid-stopping section of the corresponding channel during the infusion;
the driving structure is arranged at the upper end of the pump body and movably connected with the multi-channel liquid-stopping clamp for driving the multi-channel liquid-stopping clamp to move back and forth along the sliding channel, so as to make the upper branch tubes selectively communicate with the main tube;
the exhaust device is used for squeezing the main tube to exhaust air in the main tube; and
the bubble detection device is arranged on the installation panel and includes N upper branch tube bubble detection devices and one main tube bubble detection device.
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