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公开(公告)号：EP3478343A1
公开(公告)日：2019-05-08
申请号：EP17733853.0
申请日：2017-06-30
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公开(公告)号：EP3389747A1
公开(公告)日：2018-10-24
申请号：EP16805458.3
申请日：2016-12-05
IPC分类号： A61M5/315
CPC分类号： A61M5/31541 , A61M5/31535 , A61M5/31543 , A61M5/31551 , A61M5/31573 , A61M5/31575 , A61M5/31585 , A61M2205/581 , A61M2205/582
摘要： The present invention relates to a drive mechanism for an injection device for setting and dispensing of a dose of a medicament, the drive mechanism comprising: - an inner body (20; 220) fixable inside a housing (10) of the injection device (1), the inner body (20; 220) comprising an elongated shaft (20a) extending in an axial direction (z), wherein the elongated shaft (20a) comprises an outer thread (21) and a blocking structure (40) on an outer circumference, - a tubular-shaped display member (160; 260; 360) having an inner thread (163; 263; 363) engaged with the outer thread (21) of the inner body (20; 220), and - a dose member (70; 170; 370) axially displaceable between a dose setting position (S) and a dose dispensing position (D) relative to the inner body (20;220), - a blocking sleeve (172; 261; 362) axially fixed to the dose member (70), rotationally fixed to the display member (160; 260; 360) and comprising at least one blocking element (174; 274; 374) to axially engage with the blocking structure (40) to block an axial displacement of the dose member (70) from the dose setting position (S) towards the dose dispensing position (D).
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公开(公告)号：EP3389748A1
公开(公告)日：2018-10-24
申请号：EP16805459.1
申请日：2016-12-05
CPC分类号： A61M5/31583 , A61M5/31585 , A61M2005/14506
摘要： The present invention relates to a drive mechanism for an injection device for setting and dispensing of a dose of a medicament, the drive mechanism comprising: - an inner body (20) fixable inside a housing (10) of the injection device (1), the inner body (20) comprising an elongated shaft (20a) extending in an axial direction (z), wherein the elongated shaft (20a) comprises an outer thread (21) and a blocking structure (40) on an outer circumference, - a tubular-shaped display member (160) having an inner thread (163) engaged with the outer thread (21) of the inner body (20), and - a dose member (70; 270) axially displaceable relative to at least one of the inner body (20) and the display member (160) between a dose setting position (S) and a dose dispensing position (D), - a blocking ring (180; 280; 380) axially engageable with the dose member (70; 270), rotationally fixed to the display member (160) and comprising at least one blocking element (182, 282; 382) to axially engage with the blocking structure (40) for blocking an axial displacement of the dose member (70) from the dose setting position (S) towards the dose dispensing position (D).
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