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公开(公告)号：US20240350742A1
公开(公告)日：2024-10-24
申请号：US18755897
申请日：2024-06-27
CPC分类号： A61M5/3157 , A61M5/20 , A61M5/2033 , A61M5/326 , A61M5/46 , A61M2005/206 , A61M2205/581 , A61M2205/582 , A61M2205/583
摘要： An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.
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公开(公告)号：US20240342387A1
公开(公告)日：2024-10-17
申请号：US18755161
申请日：2024-06-26
CPC分类号： A61M5/3157 , A61M5/20 , A61M5/2033 , A61M5/326 , A61M5/46 , A61M2005/206 , A61M2205/581 , A61M2205/582 , A61M2205/583
摘要： An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.
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公开(公告)号：US20240342386A1
公开(公告)日：2024-10-17
申请号：US18755787
申请日：2024-06-27
CPC分类号： A61M5/3157 , A61M5/20 , A61M5/2033 , A61M5/326 , A61M5/46 , A61M2005/206 , A61M2205/581 , A61M2205/582 , A61M2205/583
摘要： An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.
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公开(公告)号：US10384015B2
公开(公告)日：2019-08-20
申请号：US15471926
申请日：2017-03-28
摘要： An auto-injector for administering a dose of a liquid medicament includes a tubular chassis telescopable in an elongate chassis, a carrier subassembly including a tubular carrier slidably arranged partially inside the chassis and inside the case, the carrier adapted to contain a syringe with a hollow injection needle, a drive spring, a plunger for forwarding load of the drive spring to a stopper of the syringe, a control spring arranged around the carrier, a needle insertion control mechanism for coupling a proximal end of the control spring to either the carrier for advancing it for needle insertion or to the chassis, wherein the syringe is lockable for joint axial translation with the carrier, wherein the needle insertion control mechanism includes a first collar biased by the control spring in a proximal direction, and wherein at least one fifth clip is arranged on one of the chassis or the first collar.
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公开(公告)号：US20240342385A1
公开(公告)日：2024-10-17
申请号：US18754728
申请日：2024-06-26
CPC分类号： A61M5/3157 , A61M5/20 , A61M5/2033 , A61M5/326 , A61M5/46 , A61M2005/206 , A61M2205/581 , A61M2205/582 , A61M2205/583
摘要： An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.
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公开(公告)号：US11484655B2
公开(公告)日：2022-11-01
申请号：US16667008
申请日：2019-10-29
摘要： An auto-injector includes a chassis and a carrier subassembly. The carrier subassembly includes a carrier arranged inside a case, a drive spring, a plunger comprising a ramp member, the plunger configured to be pushed in a proximal direction by the drive spring, and a ramp attached to the carrier, wherein the ramp member on the plunger in an initial state is locked to the ramp on the carrier to form a ramped engagement to the carrier, the plunger prevented from rotating out of the ramped engagement depending on a relative longitudinal position of the carrier relative to the chassis, wherein the plunger is arranged to be released and to rotate out of the ramped engagement upon the carrier translating a pre-defined distance in a proximal direction relative to the chassis.
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公开(公告)号：US10376642B2
公开(公告)日：2019-08-13
申请号：US15706131
申请日：2017-09-15
摘要： An auto-injector for administering a dose of a liquid medicament (M) is presented having an elongate case arranged to be held by a user, a tubular chassis telescoped in the case and biased against the case so as to protrude from the case. The injector also includes a syringe with a hollow injection needle, a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe. A trigger button is distally arranged in or on the case, wherein the trigger button is initially coupled to the case in a manner to protrude distally from the case and interlocked to the chassis in a manner preventing the trigger button from disengaging the case.
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公开(公告)号：US20180169352A1
公开(公告)日：2018-06-21
申请号：US15897872
申请日：2018-02-15
CPC分类号： A61M5/46 , A61M5/20 , A61M5/2033 , A61M5/3157 , A61M5/326 , A61M2005/206 , A61M2205/581 , A61M2205/582
摘要： An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.
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9.发明申请公开(公告)号：US20180093046A1
公开(公告)日：2018-04-05
申请号：US15821166
申请日：2017-11-22
CPC分类号： A61M5/326 , A61M5/2033 , A61M2005/2013 , A61M2005/206
摘要： Described is an autoinjector comprising a case, a chassis slidably arranged in the case, a syringe carrier operably coupled to the chassis, an outer plunger selectively engaged to the chassis, an inner plunger selectively engaged to the outer plunger, and a drive spring applying a biasing force to the outer plunger. The biasing force is applied to the inner plunger when the inner plunger is engaged to the outer plunger. Rotation of the chassis causes the inner plunger to rotate relative to the outer plunger and disengage the outer plunger to remove the biasing force from the drive spring on the inner plunger. When the inner plunger disengages the outer plunger, the biasing force of the drive spring pushes the chassis to retract the syringe carrier relative to the case.
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公开(公告)号：US20180001026A1
公开(公告)日：2018-01-04
申请号：US15706131
申请日：2017-09-15
CPC分类号： A61M5/3157 , A61M5/20 , A61M5/2033 , A61M5/2429 , A61M5/31501 , A61M5/31511 , A61M5/3158 , A61M5/3202 , A61M5/3204 , A61M5/3257 , A61M5/326 , A61M5/46 , A61M5/5086 , A61M2005/2013 , A61M2005/206 , A61M2005/2073 , A61M2005/208 , A61M2005/3247 , A61M2205/581 , A61M2205/582 , A61M2205/583 , F04C2270/0421 , Y10T403/32501
摘要： An auto-injector for administering a dose of a liquid medicament (M) is presented having an elongate case arranged to be held by a user, a tubular chassis telescoped in the case and biased against the case so as to protrude from the case. The injector also includes a syringe with a hollow injection needle, a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe. A trigger button is distally arranged in or on the case, wherein the trigger button is initially coupled to the case in a manner to protrude distally from the case and interlocked to the chassis in a manner preventing the trigger button from disengaging the case.
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