American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists
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Am J Health Syst Pharm · Jul 2013
Multicenter StudyBiological contamination of insulin pens in a hospital setting.
Biological contamination of insulin pens in a hospital setting was studied. ⋯ Examination of 125 insulin pens used in hospitals revealed hemoglobin in 1 pen and at least one cell in another 6 pens. The nine detected cells consisted of four squamous epithelial cells, four macrophages, and one RBC.