本发明有益效果是，可以减少常规胰岛素笔芯内的胰岛素剩余量，实施简单，经济效果显著。
The invention has the advantages of capability of reducing the residual insulin in the refill of the general insulin refill, simple implementation and obvious economic benefit.
本发明有益效果是，可以减少常规胰岛素笔芯内的胰岛素剩余量，实施简单，经济效果显著。
The invention has the advantages of capability of reducing the residual insulin in the refill of the general insulin refill, simple implementation and obvious economic benefit.
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