The article you linked to mentions a problem SNY has had with the label coming off. This is more serious than it sounds as label interfered with the protective mechanism::
SMP received a report about a nurse at a large health system who was stuck by a needle on a commercially-prepared LOVENOX (enoxa- parin) prefilled syringe (sanofi-aventis). The manufacturer’s label that was placed around the barrel of the syringe (see Figure 1) did not fully adhere. The needlestick occurred after the nurse had given the patient the injection. Upon removal of the needle from the patient’s skin and just before the built-in safety shield could be engaged, the adhesive caught the nurse’s glove and twisted the syringe, allowing the needle to stick her
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