胰岛素笔免去病友用注射器在胰岛素药瓶中抽取胰岛素的烦琐过程，可免去病友在公共场合注射胰岛素的尴尬，为视力不佳甚至失明的病友注射胰岛素带来方便。
同类产品只可以存放两支胰岛素笔，且不能存放较粗的注射笔。
The similar products can only store 2 insulin pens and can't obtain the Humulin pens at all.
比较两组病人胰岛素笔注射及相关知识掌握率。
The two groups were compared in view of the mastery of knowledge of injection by insulin pen.
目的：对卡式胰岛素笔(优伴笔)便利性的评估。患者使用后生活质量的调查。
Objective: to evaluate the convenience of the cartridge insulin pen (Humapen) and to investigate the patients' qualities of life after the usage.
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