63 results about "Autoinjector" patented technology

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

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.

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 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).

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.

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.

1. Name of the product in this design: Torsion Spring Pen. 2. Purpose of this design: A reusable autoinjector for injecting drugs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This autoinjector includes a housing extending along longitudinal axis A and configured to receive a medical container having a barrel defining a reservoir for containing a medical product, said barrel having a distal end provided with an injection needle and an opened proximal end configured to receive a plunger rod for pushing a stopper arranged inside the barrel. A needle cover is coupled to and axially movable with respect to said housing between a first extended position, a retracted position and a second extended position. A plunger rod is axially movable inside the housing between an initial position and an injection end position, the plunger rod being configured to push the stopper in order to expel the medical product when moving from the initial position to the injection end position. The autoinjector further includes biasing member for biasing the plunger rod in a distal direction towards the injection end position, and a retainer for maintaining the plunger rod in the initial position against the action of the biasing member, the retainer including a resilient blocking member radially deformable between a blocking position for blocking the plunger rod in the initial position, and a release position allowing for movement of the plunger rod in the distal direction. A lock ring is coupled to and axially movable with respect to the resilient blocking member, between a locking position for maintaining the resilient blocking member in the blocking position, and an unlocking position, axial movement of the lock ring from the locking to the unlocking position being caused by the needle cover moving from the first extended position to the retracted position.

Embodiments relate to an autoinjector for automatic subcutaneous or intramuscular injection of a drug, and provide an ergonomic structure for grip stability, rolling prevention, visibility, and pain relief when a user presses the autoinjector against the skin to operate same. The autoinjector according to embodiments comprises a housing which forms the exterior, wherein the housing includes a support part and a grip part that have different maximum outer widths in a cross section perpendicular to a central axis thereof, the grip part extends in the axial direction on a distal side of the support part, and the maximum outer width of the grip part is smaller than the maximum outer width of the support part, thus preventing slipping. In addition, the cross section of the grip part has a non-circular quadrilateral contour, thereby preventing rolling, the housing includes a proximal part and a distal part that have different transparencies, thereby providing visibility and psychological stability, and an activation member that comes into contact with the skin includes, in a proximal end surface thereof, a protruding shape for increasing local pressure, thereby relieving injection pain.

Provided herein is a subassembly for a drug delivery device, including a housing, a displaceable needle cover having a distal end having a flange, the needle cover being received within the housing and configured to have a pre-use position in which the needle cover extends from the housing and a use position in which the needle cover is at least partially displaced into the housing. Displacement of the needle cover into the housing actuates the drug delivery device. The subassembly further includes a cap assembly, comprising configured to prevent movement of the needle cover to the use position.

The invention relates to a reusable automatic injector, and belongs to the technical field of medicine injectors. The invention provides a reusable automatic injector. The reusable automatic injector comprises a pen body, a refill frame, a clutch rod, an injection button, a small push rod and a torsional spring, the injection structure comprises injection teeth and clutch teeth, when the refill frame is connected to the pen body, the injection teeth and the clutch teeth are combined, the injection button is pressed down to enable the clutch rod to move downwards, the lower section of the clutch rod is connected with the injection teeth, and the clutch rod rotates under the torsion effect of the torsion spring and drives the injection teeth and the clutch teeth to rotate synchronously. When the pen core frame is separated from the pen body, the clutch teeth move downwards and are separated from the injection teeth, and the small push rod is driven by the clutch teeth to rotate downwards so as to push the rubber plug to achieve the injection purpose. The torsion spring driven injection and reliable reuse of the automatic injector are realized, and the clutch rod and the injection teeth are combined by pressing the button, so that the torsion spring driven injection is realized.

An injector includes a housing that has a proximal end and a distal end that extends along a longitudinal axis. A medicament container contains a volume of a medicament. A button coupled to the housing is rotatable about the longitudinal axis between a locked position and an unlocked position and movable along the longitudinal axis between a pre-firing position and a firing position. A latch is at least partially disposed within the button, a ram is movable relative to the latch, and an energy source urges the ram distally along the longitudinal axis. The ram is prevented from moving relative to the latch by the button in the pre-firing position. Rotation of the button to the unlocked position and movement of the button distally along the longitudinal axis relative to the housing into the firing position allows the ram to move relative to the latch.

A power-assisted injection device can administer a liquid medication. The injection device can include a syringe, a housing, and a motive force device. The syringe can include a plunger and a barrel configured for holding the liquid medication. The housing can include a body configured for holding the syringe. The housing can also include a latch configured to define a locked position that inhibits movement of the plunger and a released position that enables movement of the plunger. The motive force device can be configured for applying an injection force to the plunger to administer the medication while the latch is in the released position. The injection device can be configured for administering the liquid medication upon release of the latch from the locked position at least in part via the motive force device applying the injection force to the plunger of the syringe.

System (100) and method of foil packaging components of a drug delivery device (110), e.g. autoinjector, pen injector, involving introducing first and second sheets of foil (101, 103) into a welding assembly with welding bars (106a, 106b), welding the sheets of foil (101, 103) together to form a first weld (112), providing a pen injector component (110) between the sheets of foil (101, 103) above the first welded, moving the sheets of foil (101, 103) downwards, and welding the first and second sheets of foil (101, 103) together to form a second weld (112) above the pen injector component (110). This can provide a foil packaging (120) with the pen injector components (110). Also disclosed is a system (200) and method for unloading or unpacking the foil packaged components of drug delivery device (110) which involves pushing a rod (210) between the welds in the foil packaging (120).

The disclosure further relates to an autoinjector and a method of assembling the autoinjector. A syringe carrier is disclosed comprising a housing adapted to receive a syringe. They syringe includes a needle encapsulated by a removable protective needle sheath. The syringe carrier further includes two or more flexible arms protruding outwards in a relaxed state and adapted to couple with the syringe in a mounted position. In the mounted position, the flexible arms deflect radially inwards due, in part, to an axial force operating on the syringe carrier.

Disclosed in the present invention is an adjustable autoinjector, comprising: a main shaft rotatably provided in a pen body, wherein a push rod assembly is provided in the main shaft; a dose knob used for dose setting and dial-back, and configured to: during dose setting, drive the main shaft to rotate and allow for energy storage of an energy storage assembly, wherein the energy storage assembly is fitted over the main shaft; a connecting assembly provided at the lower portion the main shaft, and configured to: limit reverse rotation of the main shaft when a dose has been set, release the limitation on the reverse rotation of the main shaft when the dose knob rotates reversely due to over-setting of the dose, and be disconnected from the main shaft during injection; a dose limiting assembly provided in the dose knob and configured to prevent a set total dose from exceeding the total dose of liquid medicament; and the energy storage assembly comprising a spiral spring. In the adjustable autoinjector of the present invention, the main shaft is rotatably provided in the pen body; the energy storage assembly is provided on the main shaft; the dose knob is used for dose setting and allowing for energy storage of the energy storage assembly; during injection, the spiral spring drives the main shaft to rotate and provides torque suitable for high-viscosity liquid medicament; and when the dose is set excessively, a dial-back operation can be performed.

Anti-alpha4beta7 integrin antibody liquid formulations are described that have a high concentration of antibody, e.g., 90 mg / ml or more, have a viscosity suitable for injection for subcutaneous delivery, including by self-administration by the patient. In certain embodiments, formulations can be used in combination with an autoinjector having a suitable force of delivery given the viscosity of the formulation.

An air removal apparatus for an autoinjector is disclosed. The air removal apparatus can remove or trap air within the autoinjector, preventing the removed or trapped air from displacing medicament or being injected into the patient. The air removal apparatus removes or traps air by creating a vacuum. The vacuum can remove air from the medicament and can trap air within a section of the auto injector that is separated from the medicament.

In one example, there is disclosed herein an autoinjector, the autoinjector comprising: a housing; a container disposed within the housing, the container being configured to store a medicament; a canister disposed within the housing, the canister configured to release a pressurized medium to expel the medicament from the container; a shroud coupled to the housing, the shroud configured to move relative to the housing between a first position and a second position to cause the pressurized medium to be released by the canister; and a mandrel assembly disposed within the housing, the mandrel assembly configured to push the shroud outwardly relative to the housing toward the first position after the pressurized medium is released by the canister.