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公开(公告)号:US06364859B1
公开(公告)日:2002-04-02
申请号:US09586246
申请日:2000-05-31
IPC分类号: A61M5315
CPC分类号: B01L3/0275
摘要: A syringe with replaceable needle assembly (10), having a syringe barrel (18) with a proximal end (14), a distal end (16), and an outer surface (87). The syringe barrel (18) surrounds an internal bore (20). A plunger assembly (60) is inserted into the syringe barrel internal bore (20). A needle assembly (80) has a sealing portion (72), which is configured to be removably insertable into the internal bore (20). The sealing portion (72) forms a fluid-tight seal with the internal bore (20). The needle assembly (80) further includes a releasable locking mechanism (79), which includes a collar (76) having a locking flange (86). Also disclosed is a replaceable needle assembly (80), which releasably locks onto the outer surface (87) of the proximal end (14) of a syringe barrel (18). The replaceable needle assembly (80) includes a collar (76), having a locking flange (86), which engages the outer surface (87) of the syringe barrel (18), and releasably locks the replaceable needle assembly (80) onto the syringe barrel (18).
摘要翻译: 一种具有可更换针组件(10)的注射器,其具有具有近端(14),远端(16)和外表面(87)的注射器筒(18)。 注射器筒(18)围绕内孔(20)。 柱塞组件(60)插入到注射器筒内孔(20)中。 针组件(80)具有密封部分(72),其被构造成可移除地插入内孔(20)中。 密封部分(72)与内孔(20)形成流体密封。 针组件(80)还包括可释放的锁定机构(79),其包括具有锁定凸缘(86)的凸缘(76)。 还公开了一种可更换的针组件(80),其可释放地锁定在注射器筒(18)的近端(14)的外表面(87)上。 可替换针组件(80)包括具有与注射器筒(18)的外表面(87)接合的锁定凸缘(86)的套环(76),并且可释放地将可更换针组件(80) 注射器筒(18)。