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1.发明公开公开(公告)号：US20240350738A1
公开(公告)日：2024-10-24
申请号：US18685627
申请日：2022-09-07
发明人： John B. Cline , Jeffrey C. Givand , Guangli Hu , Edward Yeung
CPC分类号： A61M5/31505 , A61M5/2033 , A61M2005/2073 , A61M2205/13
摘要： An injecting device comprises a reservoir for containing a medicament, a needle in communication with the reservoir and configured to deliver the medicament to a patient's body, a capacitance sensor disposed adjacent to the needle, and a plunger rod assembly comprising a housing and a piston, the housing and piston being configured to transition between a locked condition in which the piston and the housing are coupled to move together, and an unlocked condition in which the piston is capable of translating relative to the housing.
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公开(公告)号：US20240325643A1
公开(公告)日：2024-10-03
申请号：US18305766
申请日：2023-04-24
发明人： Carsten Mosebach , Thomas Kemp
CPC分类号： A61M5/2033 , A61M5/3204 , A61M2005/2013 , A61M2005/2073 , A61M2205/582 , A61M2205/583
摘要： An autoinjector includes a case adapted to hold a medicament container having a needle telescopically coupled to the case and movable between a first extended position relative to the case in which the needle is covered and a retracted position relative to the case in which the needle is exposed. The autoinjector includes a plunger rotationally and slidably disposed in the case rotatable relative to the case between a first rotational position in which the plunger is engaged to the case and a second rotational position in which the plunger disengages the case engages the plunger to rotate the plunger from the first rotational position to the second rotational position when the needle shroud translates from the first extended position to the retracted position. The autoinjector includes a cap removably coupled to the case includes at least one compliant case beam adapted to releasably engage at least one aperture in the case.
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公开(公告)号：US20240316274A1
公开(公告)日：2024-09-26
申请号：US18680212
申请日：2024-05-31
CPC分类号： A61M5/2033 , A61M5/3202 , A61M5/3232 , A61M2005/206 , A61M2005/2073 , A61M5/3204 , A61M5/326
摘要： An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.
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公开(公告)号：US20240307622A1
公开(公告)日：2024-09-19
申请号：US18679377
申请日：2024-05-30
CPC分类号： A61M5/2033 , A61M5/3202 , A61M5/3232 , A61M2005/206 , A61M2005/2073 , A61M5/3204 , A61M5/326
摘要： An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.
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公开(公告)号：US12036393B2
公开(公告)日：2024-07-16
申请号：US16097511
申请日：2017-04-20
申请人： Owen Mumford Limited
发明人： Oliver Gould
CPC分类号： A61M5/20 , A61M5/2033 , A61M5/3202 , A61M5/3213 , A61M2005/2013 , A61M2005/206 , A61M2005/2073 , A61M2005/208
摘要： An injection device for delivering a dose of medicament from a syringe comprises a housing with a forward body and rearward body, the forward and rearward bodies being axially moveably interconnected. A drive mechanism is arranged, in use, to deliver a dose from the syringe, the drive mechanism being activated by a trigger. The injection device further comprises an interlock having a locked position in which activation of the drive mechanism by the trigger is prevented and an unlocked position in which the drive mechanism may be activated. The interlock arrangement is moved to the unlocked position by relative axial movement of the forward and rearward body caused by the injection device being urged against an injection site. The injection device further comprises an interlock hold arrangement associated with a forward facing skin abutment surface of the injection device. The interlock hold arrangement is configured to help maintain the alignment of the rearward and forward body when the interlock is in the unlocked position and the forward facing skin abutment surface is in contact with an injection site.
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公开(公告)号：US20240207519A1
公开(公告)日：2024-06-27
申请号：US18039110
申请日：2021-12-01
申请人： Sanofi
发明人： Uwe Dasbach , Thomas Mark Kemp , Timothy Denyer , Robbie Wilson , Chris Rosier
CPC分类号： A61M5/2033 , A61M5/31585 , A61M2005/2073 , A61M2005/3267
摘要： An arrangement for a drug delivery device includes a housing element, a plunger rod being arranged axially movable with respect to the housing element, a transfer member being arranged rotatably with respect to the housing element, an energy member configured to provide energy to induce a torque onto the transfer member, wherein the transfer member and the plunger rod are operatively coupled such that a rotation of the transfer member is converted into an axial movement of the plunger rod. The arrangement comprises a released state in which (i) the energy member induces a torque onto the transfer member, and (ii) the transfer member rotates in a first rotational direction due to the induced torque and thereby forces the plunger rod to move axially in a distal direction. The plunger rod being rotationally fixed with respect to the housing element.
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公开(公告)号：US20240165332A1
公开(公告)日：2024-05-23
申请号：US18547961
申请日：2022-02-28
申请人： Owen Mumford Limited
发明人： Toby COWE , Anna COE , Aylish MOORE
CPC分类号： A61M5/2033 , A61M5/2422 , A61M5/31511 , A61M2005/2073
摘要： An injector for use with a primary package. The injector comprises distal and proximal housing components in telescopic engagement, a rod configured for axial movement with the distal housing part, and a mechanism for releasably fixing the rod to a plunger to allow trained axial movement of the rod and the plunger during telescoping together of the distal and proximal housing components over a first distance whilst allowing relative axial movement of the rod and the plunger during telescoping together of the distal and proximal housing components over a second, subsequent distance. The mechanism comprises two or more flexible fingers on one of the rod and the plunger and cooperating features on the other of the rod and the plunger, and a locking component axially moveable during telescoping between a locking position in which it substantially surrounds the flexible fingers and a release position in which it is axially spaced from the locking fingers.
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公开(公告)号：US11957878B2
公开(公告)日：2024-04-16
申请号：US17342530
申请日：2021-06-08
CPC分类号： A61M5/2033 , A61M5/326 , A61M5/3287 , A61M2005/206 , A61M2005/2073 , A61M5/3155 , A61M5/31583
摘要： The invention provides methods and apparatus for injecting a medicine, especially a highly viscous medicine. Conventional methods and apparatus for injecting viscous medicines suffers suffer from a variety of problems such as excessive force during the initial needle insertion and initial injection. In an inventive method, during the initial phase of the injection, energy is stored in a torsion spring that is subsequently released during a later stage of the injection. The present invention also provides for an improved autoinjector; especially via the use of a combination compression and torsion spring that powers the injection through controlling force applied to a plunger via a screw flange or nut having pins that ride in a prescribed path down the length of the autoinjector.
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公开(公告)号：US11944787B2
公开(公告)日：2024-04-02
申请号：US16759675
申请日：2018-10-29
申请人： SANOFI
发明人： Beate Franke
CPC分类号： A61M5/2033 , A61M5/3202 , A61M2005/2013 , A61M2005/202 , A61M2005/206 , A61M2005/2073 , A61M2005/2086
摘要： An injector device includes an elongate housing configured to receive container of medicament. The injector device also includes a needle sleeve mounted within the housing and moveable between an extended position in which the needle sleeve at least partially extends from the distal end of the housing, and a retracted position in which the needle sleeve is received further within the housing than in the extended position. The injector device also includes a release mechanism configured to control actuation of a piston rod. The release mechanism includes a rotatable member disposed within the housing and in cooperating engagement with the needle sleeve such that movement of the needle sleeve from the extended position to the retracted position causes the rotatable member to rotate within the housing from a first position to a second position.
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公开(公告)号：US20240100262A1
公开(公告)日：2024-03-28
申请号：US18488354
申请日：2023-10-17
申请人： Sanofi
发明人： Beate Franke , Ulrich Brueggemann , Jeff Kablik
CPC分类号： A61M5/3257 , A61M5/2033 , A61M2005/2073
摘要： The present disclosure relates to an injector device comprising: a housing having a distal end and a proximal end; a medicament cartridge disposed within the housing; a needle unit comprising a needle, the needle unit being disposed in the distal end of the housing; and a button disposed in the proximal end of the housing, the button being configured to move the cartridge onto the needle unit to fluidly connect the needle with the cartridge when, in use, the button is pressed from an initial position into a depressed position.
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