The FDA issued a safety communication last week detailing the difference between standard pen needles and safety pen needles, both of which are used to inject medicine via pen injectors.
A standard pen needle usually has an outer cover and a removable inner needle cover – both covers must be removed prior to an injection. A safety pen needle has an outer cover and a fixed inner needle shield. While the outer cover is removed before an injection, the fixed inner needle shield remains in place.
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