A sterile device consisting of a calibrated barrel (cylinder) with plunger, with an attached needle (sometimes shielded), intended to be used to administer a precise, low-dosage injection of tuberculin and/or sensitivity test allergen to a patient subcutane...
A sterile device consisting of a calibrated barrel (cylinder) with plunger, intended to be used to administer a precise, low-dosage injection of tuberculin and/or sensitivity test allergen to a patient subcutaneously; a non-retractable needle is included, e...