| 摘要 |
A drip infusion alarm comprised of a housing, an upper cover attached to said housing at the top, a control circuit set in said upper cover, a battery box set inside said housing and an inner shell set between said housing and said battery box, a tension spring set in said inner shell having a hook coupled thereto at the bottom for suspending a drip infusion bottle, an adjusting key set set in said housing to adjust the tension of said tension spring. When the weight of the drip infusion bottle is reduced to a predetermined range due to reducing of infusion solution during drip infusion operation, the control circuit is triggered to produce audio and visual alarm signals through an audio and a visual alarm device respectively.
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