21 gauge syringe needle

The 21 gauge syringe needle is a common size used in medical procedures for皮下注射(吸脂术) and venipuncture静脉穿刺。这种尺寸的针头较轻巧,适合进行细微的操作,如抽血或注射类固醇至皮下组织。针头的长度通常在1至1.5英寸之间,带有斜面的尖端设计,使得皮肤穿透更容易。21 gauge针头通常包装在盒装中,每盒包含100支。使用前需要仔细核对包装上的标签,确保选择正确的型号和尺寸以满足特定医疗程序的需求。

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