药液过滤器(下称滤器)为一次性输液器配套的过滤装置。在临床输液中可以截留药液中外源性异物和微粒,避免其进入血管造成伤害。为此,国家医药管理局于1990年发布了该产品的行业标准(ＹＹ000290)。但是“标准”中对滤器的滤材品种及滤材对药物的吸附量未作任何规定。为了探讨滤 The liquid filter (hereinafter referred to as the filter) is a filter device for a disposable infusion set. In the clinical infusion, exogenous foreign substances and particles can be trapped in the drug solution to avoid injury from entering the blood vessel. To this end, the State Pharmaceutical Administration issued the industry standard for this product in 1990 (YY000290). However, there is no provision for the type of filter media and the amount of drug adsorbed on the filter media in the “Standard”. To explore the filter