Patch type medicine infusion system
An infusion system and patch-type technology, applied in the field of medical devices, can solve problems such as hidden safety hazards and increase the risk of air infusion into the body, and achieve the effect of flexible design, improving user experience and reducing risks.
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[0055] As mentioned above, the prior art patch-type drug infusion system does not discharge the air in the drug storage cartridge during the drug infusion process, thus increasing the risk of air being infused into the body and causing potential safety hazards.
[0056] In order to solve this problem, the present invention provides a patch type drug infusion system. The volume of the injection structure is deliberately set larger than the volume of the drug to be infused, and the excess space of the injection structure can be used to generate negative pressure during the drug filling process. The air in the drug pipeline is extracted to reduce the risk of air being injected into the body, reduce safety hazards and improve user experience. The invention also provides a medicine filling method applied to a patch type medicine infusion system. The volume of the medicine to be infused is smaller than the volume of the injection structure. Before the medicine is filled into the medi...
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