115 results about "Autoinjector" patented technology

An autoinjector (1) is disclosed. The autoinjector comprises a main casing (10); a cartridge assembly (30) disposed within the main casing (10). The cartridge assembly may include a cartridge (3) land a needle (40). A power pack (100) is disposed within the main casing (10) for moving the cartridge (31) and the needle (40) from a storage position to an injection position when actuated. An actuation unit (50) comprises a cartridge container (52) and a needle cover (60) disposed between the cartridge container (52) and the main casing (10). The actuation unit (50) is operably coupled to the power pack (110) and retractable from a first position to an actuation position for actuating the power pack. The needle cover (60) is extendable to an extended position covering the needle (40) when the cartridge (31) and the needle (40) are in the injection position. A safety cap (20) is removable from a mounted position on a front end of the main casing (10) to expose a front portion of the actuation unit (50).

The invention relates to an automatic injection pen. Comprising a housing; a screw rod; a dose setting knob; a dose indicating ring; a screw sleeve; when the dose is set, the dose indication ring support frame is in rotary linkage with the dose indication ring and the screw rod sleeve; an elastic arm is arranged in the circumferential direction of the far end of the dose indicating ring supporting frame, at least one first outer protruding tooth is arranged on the elastic arm, and a first inner gear ring meshed with the first outer protruding tooth is arranged on the inner wall of the far end of the shell. The outer wall of the screw sleeve is provided with a clamping jaw which penetrates out of the dose indicating ring supporting frame and can clamp the elastic arm. A torsion spring; when the injection button is subjected to axial force towards the far end, the screw sleeve is driven to move towards the far end, the clamping jaw radially extrudes the elastic arm to contract inwards, so that the first outer convex teeth are disengaged from the meshing state, the torsion of the torsion spring is released, the dose indication ring supporting frame is pushed to rotate, the screw sleeve is driven to rotate, and then the screw is driven to do spiral motion for injection. According to the technical scheme, the dose setting process is more stable.

Systems, devices, and methods include an autoinjector including a housing; a needle arranged at a distal end of the housing; a container disposed within the housing and configured to contain medicament; and a plunger slidably disposed within the container. A plunger rod is configured to push the plunger through the container to dispense the medicament through the needle when the container contains medicament. The plunger rod includes one or more conductive regions. A mechanism is configured so that a dispensing movement of the plunger rod causes the mechanism to generate a first electrical signal from at least one of the one or more conductive regions. A first sensor is configured to detect the first electrical signal generated by the mechanism.

An autoinjector comprising a housing and a syringe assembly that carries a needle. A drive spring 8 is configured to urge a driver 10 to rotate, which controls delivery of a drug. Biasing means are

Disclosed example cap removal tools include: a cap removal adapter having a cap removal aperture; and a base, comprising: first alignment features configured to align the cap removal tool with an actuator of the autoinjector testing system; and second alignment features configured to removably attach the cap removal adapter to the base and align the cap removal adapter with the actuator.

An autoinjector including a main housing, a drive mechanism 202 contained within the main housing and having a plunger 206 moveable along a drive axis, an energy storage element 204 coupled to drive m

Autoinjector This autoinjector (1) comprises an outer body (2) extending along a longitudinal axis A and configured for receiving a medical container (100) having a barrel (101) defining a reservoir for containing a medical product, said barrel (101) having a distal end (102) provided with an injection needle (103) sealed by a needle shield (104), and an opened proximal end provided with a radial flange (106) A needle cover (8) is axially movable along the longitudinal axis A between an initial position, a retracted position, proximally located with respect to the initial position, and a safety position, distally located with respect to the retracted position, in which the needle cover (8) shields the injection needle (103). A holding ring (6) is arranged within the outer body (2) for supporting the medical container (100), the holding ring (6) being axially movable between an initial position and a pricking position. The holding ring (6) is axially guided by the needle cover (8).

This invention relates to a reusable autoinjector, belonging to the field of drug injection technology. The reusable autoinjector provided by this invention, through the systematic integration of an innovative anti-accidental contact mechanism and a needle depth adjustment mechanism, not only effectively solves the core safety and accuracy challenges in reusable scenarios, but also produces significant technical effects through the synergistic effect of the two mechanisms. It is the first invention to integrate two major functions—active mechanical anti-accidental contact and multi-level stable depth adjustment—into a single reusable device.

The present invention relates to an autoinjector comprising a dual chamber component comprising first and second chambers for storing first and second elements of a medicament that can each be stored in the respective first and second chambers of the dual chamber component, a piston rod, an inner body and an outer body, wherein the inner body and the outer body are in engagement with one another in a first configuration in a storage state and, on activation of the autoinjector are moved towards one another and then fixedly clipped to one another in a second configuration.

An autoinjector, the autoinjector comprising: a housing; and the medicine cylinder is arranged in the shell, and the medicine cylinder is used for packaging medicine. The autoinjector further includes a fluid conduit configured to deliver the medication from the cartridge to a patient and movable from a retracted configuration to a deployed configuration associated with administration of the medication; and a temperature sensor configured to determine a temperature of the drug. And the temperature sensor is configured to send a first signal to an external device when the temperature sensor senses that the temperature of the medicine rises to a threshold temperature or above.

An autoinjector comprises a main housing for receiving a syringe or cartridge, a drive mechanism located within the main housing, and a shroud 108, coupled to a front end of the main housing and movab

The invention relates to an automatic injection pen for a pre-filled syringe, which comprises a pre-filled syringe PFS, the PFS is mounted in an automatic injection device, and the automatic injection device comprises an outer pen shell, an excitation unlocking sleeve, a needle retracting spring base and a syringe; the fixed part of the narrowing spring base penetrates through the excitation unlocking sleeve to be connected with the outer sleeve; the narrowing spring base is fixed in the outer sleeve; a narrowing spring is mounted on the upper part of the narrowing spring base, and a syringe is mounted on the narrowing spring base in a releasable manner; before injection, the PFS is connected with the outer sleeve through the narrowing spring base; and the needle head of the PFS penetrates through the narrowing spring base, so that the puncture part of the needle head crosses the bottom of the outer sleeve. According to the invention, the structure of the needle retracting spring base is improved, so that the needle head of the PFS can move downwards along with the outer sleeve in the needle puncturing process, and the puncturing process is more controllable and reliable.

Provided is a vented needle hub assembly for infusion of a liquid into subcutaneous tissue. More specifically, the vented needle hub assembly is provided by a needle hub having an inlet side and an outlet side and a fluid passageway therebetween; an infusion needle in fluid contact with the fluid passageway and extending from the outlet side; a flexible tubing having a first end joined to the inlet side in fluid contact with the fluid passageway, and a second end; at least one vent disposed in a sidewall of the needle hub, the vent in fluid contact with the fluid passageway; and a porous plug disposed within each at least one vent adjacent to the fluid passageway, the porous plug structured and arranged to distinguish gas from liquid, gas permitted to pass from the fluid passageway through the porous plug and out the at least one vent; and a reservoir of liquid provided as an autoinjector, the second end of the flexible tubing interconnecting the reservoir of liquid to the inlet side for fluid communication from the reservoir to the needle hub. An associated method of use is provided as well.

The invention relates to an autoinjector comprising a dual chamber cartridge.

An autoinjector includes a case, a needle shroud telescopically coupled to the case, a carrier slidably arranged in the case, a collar rotatably and slidably disposed in the case and coupled to the needle shroud and the carrier, and a trigger button operably coupled to the carrier. The case includes a rib. The needle shroud is movable between a first extended position, a retracted position, and a locked second extended position. The carrier is adapted to hold a medicament container and movable from a first axial position to a second axial position relative to the case. The carrier abuts the rib in the first axial position and the needle shroud is in the first extended position and disengages the rib when the needle shroud is in the retracted position and the trigger button is pressed to advance the carrier to the second axial position.

An autoinjector for dispensing a liquid product includes a housing; a product container arranged in the housing, particularly, a syringe comprising a displaceable piston; a drive member; a first spring which acts on the drive member and the piston to dispense the product from the container; signal element releasably axially coupled with the drive member so that the signal element is transported in the dispensing direction as the drive member is displaced; and a second spring, which exerts a spring force on the signal element against the dispensing direction and is tensioned as the signal element is transported in the dispensing direction. When the signal element is released or detached from the axial coupling, the second spring causes the signal element to accelerate opposite the dispensing direction and strike against a signal stop and generate an acoustic and / or tactile signal.

The present invention discloses an autoinjector assembly (100) comprising: a housing (102); a syringe assembly (202) for storing a predetermined volume of drug to be administered; a needle protector (212) surrounding the syringe assembly (202) such that a portion of the needle protector (212) is adapted to extend out of the housing (102) in an initial state and retract into the housing (102) when the portion is pressed against an injection site; a spring retainer (218) for holding a dose delivery spring (216) in a compressed state; a locking unit (220) for holding the spring retainer (218) in a locked state; and a plunger (222) engaging the spring retainer (218) and adapted to move toward the syringe assembly (202) when the spring retainer (218) is unlocked. The engagement position of the plunger (222) with the spring retainer (218) is adapted to change so as to control the travel distance of the plunger (222) within the housing (102) based on a predetermined volume of drug in the syringe assembly (202).

An autoinjector includes a case, a needle shroud telescopically coupled to the case, a carrier slidably arranged in the case, a collar rotatably and slidably disposed in the case and coupled to the needle shroud and the carrier, and a trigger button operably coupled to the carrier. The case includes a rib. The needle shroud is movable between a first extended position, a retracted position, and a locked second extended position. The carrier is adapted to hold a medicament container and movable from a first axial position to a second axial position relative to the case. The carrier abuts the rib in the first axial position and the needle shroud is in the first extended position and disengages the rib when the needle shroud is in the retracted position and the trigger button is pressed to advance the carrier to the second axial position.

Illustrated and described is a dispensing device (2) for dispensing at least one therapeutically and / or diagnostically effective substance, particularly a holding device (1) for an autoinjector. In the present invention, the holding device (1) is embodied as a multiple holder for holding two or more dispensing devices (2) on the holding device (1), and for dispensing substances through at least one dispensing device (2) held on the holding device (1) in a manner that holds the dispensing devices (2).

An autoinjector includes a housing extending along a longitudinal axis having a proximal end and a distal end. A needle extends at least partially from the distal end of the housing. A needle guard assembly is coupled to the housing. The needle guard has a needle guard extension that is moveable relative to the housing distally along the longitudinal axis from a retracted position where the needle extends distally past the needle guard extension and an extended position where the needle guard extension extends distally past the needle. A retainer is coupled between the needle guard extension and the housing to retain the needle guard extension relative to the housing in a blocking position and is moveable relative to the housing to an unblocked position to allow the needle guard extension to move relative to the housing to the extended position.

Systems, devices, and methods include an autoinjector including a housing; a needle arranged at a distal end of the housing; a container disposed within the housing and configured to contain medicament; and a plunger slidably disposed within the container. A plunger rod is configured to push the plunger through the container to dispense the medicament through the needle when the container contains medicament. The plunger rod includes one or more optical transmission regions. A mechanism is configured so that a dispensing movement of the plunger rod causes the mechanism to generate a first optical signal and transmit the first optical signal through at least one of the one or more optical transmission regions; and an optical sensor is configured to detect the first optical signal generated by the mechanism.

An autoinjector includes a case, a door hingedly coupled to the case and having an open position and a closed position, a plunger slidably disposed in the case, and at least one drive spring applying a biasing force on the plunger relative to the case, wherein the door is operably coupled to the plunger, and wherein rotation of the door from the closed position to the open position moves the plunger from a distal position in the case to a proximal position in the case and compresses the at least one drive spring.

An autoinjector for automatically dispensing a liquid product through a needle of a prefilled reservoir includes a reservoir unit including a needle cover sleeve and a reservoir holder for guiding a movement of the needle cover sleeve. The autoinjector further includes a drive unit with a plunger rod, a drive spring, a drive chassis for supporting the drive spring and releasably attachable to the reservoir holder. The plunger rod includes a retaining element to retain the plunger rod within the drive unit.

Systems, devices, and methods include an autoinjector including a housing; a needle arranged at a distal end of the housing; a container disposed within the housing and configured to contain medicament; and a plunger slidably disposed within the container. A plunger rod is configured to push the plunger through the container to dispense the medicament through the needle when the container contains medicament. The plunger rod includes one or more optical transmission regions. A mechanism is configured so that a dispensing movement of the plunger rod causes the mechanism to generate a first optical signal and transmit the first optical signal through at least one of the one or more optical transmission regions; and an optical sensor is configured to detect the first optical signal generated by the mechanism.