Double-needle device for drug dispensing
A double-needle and needle technology, applied in the field of medical devices, can solve problems such as inability to perform normal aseptic operations, affect drug properties, and drug contamination, and achieve the effects of simple structure, convenient operation, and pollution avoidance
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[0009] Below in conjunction with accompanying drawing, the present invention is described in detail.
[0010] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.
[0011] see figure 1 , the specific embodiment adopts the following technical scheme: it includes injection needle 1, ventilation needle 2, filter screen 3, connection belt 4, injection needle 1 is connected with ventilation needle 2 through connection belt 4, and ventilation needle 2 is provided with With filter 3.
[0012] The working principle of this specific embodiment: two needles are inserted into the ampoule at the same time, one is used for dispensing medicine, ...
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