3207results about "Ampoule syringes" patented technology

The disclosure relates to an audible indicator in combination with a drug delivery device having a resilient force member capable of resting in either of two states. In a biased state, the resilient force member is biased and stores energy and in a relaxed state, the resilient force member is relaxed. The resilient force member releases the stored energy when changing from the biased state into the relaxed state, thereby generating an audible signal, wherein the resilient force member is supported by a retaining element in the biased state in order to prevent transition into the relaxed state.

The disclosure relates to an audible indicator for use with a drug delivery device comprising a bistable resilient force member capable of residing in two states. In a biased state, the resilient force member is biased and stores energy In a relaxed state, the resilient force member is relaxed. The resilient force member releases the stored energy when transitioning from the biased state into the relaxed state, thereby generating an audible signal.

The present disclosure provides methods of preparing a medical solution. In some aspects, the medical solution can be prepared from mixing a first liquid with a second liquid or mixing a solid component with a liquid in an autoinjector. In some aspects, the heat released from the mixing can promote solubility of a dry medicament in the solution.

A drug delivery device may include a housing having an opening and a drug storage container having a body portion with a proximal end and a distal end and a delivery member extending from the distal end of the body portion. The device may also include a plunger moveable toward the distal end of the drug storage container to expel a drug from the drug storage container through the delivery member and a plunger biasing member configured to urge the plunger toward the distal end of the drug storage container. The device may further include a container holder configured to support the drug storage container with respect to the housing such that a resultant force acting on the drug storage container from the plunger biasing member is at least substantially completely borne by the distal end of the body portion of the drug storage container.

An injection device comprises: a carrier; a needle; a driver coupled to the needle, the driver being slidable relative to the carrier between a retracted configuration and a deployed configuration; a shuttle configured to move the driver between the retracted configuration and the deployed configuration; and a stop configured to move from a first configuration to a second configuration, wherein the stop is configured to maintain the driver in the deployed configuration, and movement of the stop from the first configuration to the second configuration allows the shuttle to move the driver from the deployed configuration to the retracted configuration.

The present disclosure provides a sub-assembly of a medicament delivery device cassette unit, the sub-assembly including a tubular body for attaching to a drive unit of a medicament delivery device. The tubular body extends along a longitudinal axis between a proximal end and a distal end. The sub-assembly further includes a tubular carrier for holding a medicament container. The tubular carrier is at least partially arranged within the tubular body, and the tubular carrier and the tubular body are coaxial. The tubular carrier comprises a distally directed surface for contacting with the drive unit of the medicament delivery device when the tubular body being attached to the drive unit of the medicament delivery devices. The tubular carrier is movable relative to the tubular body in the direction of the longitudinal axis from a distal position to a proximal position by the drive unit when the distally directed surface is in contact with the drive unit of the medicament delivery device.

The invention discloses an upper pen container assembly of an injection pen and the injection pen. A dose adjustment mechanism; a rotating wheel of the driving mechanism is located between the driving wheel and the power rod, an inner ring of the rotating wheel is in threaded connection with the screw, and an outer ring can rotate relative to the upper pen container, is in circumferential limiting connection with the sleeve and can move in the axis direction relative to the sleeve; the driving wheel and the sleeve are connected in a circumferential limiting manner, and during rotation, the driving wheel and the screw are limited in the circumferential direction, and the driving wheel and the bottle rack cover can rotate relatively; when the driving wheel and the sleeve rotate relatively, the bottle rack cover and the driving wheel are limited in the circumferential direction, and the driving wheel circumferentially limits the screw to rotate along with the rotating wheel. In the process of adjusting the dosage of injection medicine, the screw rod and the sleeve can guarantee the position stability under the supporting action of the power rod, the bottle rack cover and the rotating wheel, the rotating wheel can move in the direction close to the button in the axial direction, a distance is formed between the rotating wheel and the upper pen container in the axial direction, the stability of the position of the screw rod is further improved, and the service life is prolonged. And the rotation stability of the sleeve is improved.

A drug delivery device may include a housing having an opening and a drug storage container having a body portion with a proximal end and a distal end and a delivery member extending from the distal end of the body portion. The device may also include a plunger moveable toward the distal end of the drug storage container to expel a drug from the drug storage container through the delivery member and a plunger biasing member configured to urge the plunger toward the distal end of the drug storage container. The device may further include a container holder configured to support the drug storage container with respect to the housing such that a resultant force acting on the drug storage container from the plunger biasing member is at least substantially completely borne by the distal end of the body portion of the drug storage container.

The disclosure relates to an audible indicator for use with a drug delivery device comprising a bistable resilient force member capable of residing in two states. In a biased state, the resilient force member is biased and stores energy In a relaxed state, the resilient force member is relaxed. The resilient force member releases the stored energy when transitioning from the biased state into the relaxed state, thereby generating an audible signal.

The present disclosure provides a sub-assembly for a medicament delivery device configured to expel medicament from a medicament container. The sub-assembly comprises a housing and a medicament container carrier. The medicament container carrier comprises a carrier wall having an open proximal end, at least one slot extending from the open proximal end in a distal direction, and at least a first leg portion and a second leg portion radially separated by the slot at least at the open proximal end such that the first and second leg portions are radially movable relative to each other. The sub-assembly further comprising a tubularly shaped retaining element and a cap comprising a protrusion extending distally into the proximal end of the housing, wherein the retaining element comprises a first engaging structure releasably engageable with an associated second engaging structure of the distally extending protrusion, such that the retaining element is releasably engaged to the distally extending protrusion.

The present disclosure relates to a sub-assembly of a medicament delivery device comprising a syringe carrier comprising at least one first locking member, a front outer shell comprising at least one second locking member and at least one third locking member, the first locking member being arranged to be moved into locking engagement with the second locking member for locking the syringe carrier inside the front outer shell upon the syringe carrier being axially aligned with and inserted into the front outer shell, and a needle cover accommodating a needle cover spring abutting an interior front end of the needle cover in a first end, the needle cover comprising a fourth locking member and at least one cut out extending axially from a rear end of the needle cover, the needle cover being arranged to be axially aligned with and inserted into the front outer shell via a front opening of the front outer shell, the axial cut out allowing the needle cover to axially slide over the syringe carrier and have the first and second locking members, whilst in a locking engagement, move relative to the needle cover in said axial cut out until the fourth locking member of the needle cover moves into locking engagement with the third locking member of the front outer shell, wherein a second end of the needle cover spring moves into abutment with a front end of the syringe carrier.

Modules for housing electronic and electromechanical medical equipment including a system to measure and record administration of one or more IV medications or fluids for IV administration.

A medicine liquid transfer device includes a double-chamber syringe, a dispensing needle assembly, and a syringe needle sealing assembly. The medicine liquid transfer device features an exquisite structural design and easy assembly, enables fully-closed medicine preparation and transfer, and allows automatic or manual adjustment and balance of the air pressure inside the medicine container in use, thereby minimizing the risk of medicine leakage and providing an excellent leakproof effect, while having advantages of low cost, high convenience of use, and the like.

The invention discloses an automatic injection pen with a double-cavity structure, and belongs to the technical field of medical instruments. Comprising a shell, a refill frame, a double-cavity clamping type bottle, a push rod, a base, an unlocking piece, a releasing piece, an injection spring and a button, the push rod is provided with a first hook hole, the base is provided with a first clamping hook matched with the first hook hole, the base is further provided with a second hook hole, and the unlocking piece is provided with a second clamping hook matched with the second hook hole; the unlocking piece is used for keeping or releasing matching of the first hook hole and the first clamping hook; and the release piece is used for keeping or releasing matching of the second hook hole and the second clamping hook, so that before the release piece releases the second hook hole and the second clamping hook, the button cannot be pressed down, and the unlocking piece cannot slide by pressing the button. The release piece and the unlocking piece ensure that double-cavity liquid medicine cannot be triggered before being mixed, operation is easy, stability is high, and a patient can conveniently and safely conduct injection.

The invention relates to the technical field of pen-type injection devices, in particular to a self-driven automatic injection device which comprises a shell, a medicine bottle support, a driving device and a control device. A needle puncture-proof protection assembly is arranged on the lower portion in the shell, the needle puncture-proof protection assembly comprises a needle hiding sleeve, and the needle puncture-proof protection assembly is configured in the mode that in the injection process or after injection is completed and the needle hiding sleeve is pulled out, the needle hiding sleeve can be locked, and then injection cannot be continued; an energy storage locking assembly is arranged on the upper portion of the interior of the shell and is configured in the mode that before injection, the driving rod is locked by the needle hiding sleeve, when one end of the needle hiding sleeve is stressed to move towards the driving rod, the driving rod is unlocked, the torsional spring provides driving force to enable the driving rod to drive the push rod to move towards the medicine bottle, and injection is achieved. Stable and reliable injection power can be provided, and injection can be rapidly achieved; in addition, the needle hiding sleeve can be locked no matter the needle hiding sleeve is pulled out during injection or after injection is completed, so that the needle hiding sleeve does not retract inwards, secondary injection is prevented, and safety and reliability are achieved.

An apparatus, comprising an environmental control element configured to control at least one environmental condition of a substance contained within a chamber, the environmental control element includes a thermal insulator configured to provide a thermal shield to the substance and a phase change material (PCM) configured to thermally regulate at least one environmental condition. The environmental control element is configured to control the environmental condition without use of an external power source, thereby allowing the apparatus to be thermally self-recharging.

A disposable syringe unit for an injection device adapted for releasable attachment to a reusable drive unit of the injection device includes a prefilled syringe with a reservoir and an injection needle, a syringe holder for holding the prefilled syringe, a cover member guided by guiding means thereby movable along the longitudinal axis relative to the syringe holder between a covering position in which the injection needle is covered and a retracted position in which the injection needle protrudes from the cover member, and a cap releasably attached to a distal end of the cover member or the syringe holder. Apart from the prefilled syringe, the syringe unit includes in total not more than three separate parts.

The disclosure relates to an audible indicator in combination with a drug delivery device having a resilient force member capable of resting in either of two states. In a biased state, the resilient force member is biased and stores energy and in a relaxed state, the resilient force member is relaxed. The resilient force member releases the stored energy when changing from the biased state into the relaxed state, thereby generating an audible signal, wherein the resilient force member is supported by a retaining element in the biased state in order to prevent transition into the relaxed state.

A drug injection control device has a structure in which a rod lock screw-coupled to a piston rod can make a linear motion under restricted rotation within a rod holder with the rotation of a rod guide and the sub-linear motion of the piston rod. When the injection amount of drug is preset through an injection amount setting module to make a rotational motion with a dose dial in a housing to set the amount of drug to be injected by storing the twisting moment in a torsion spring, in actuating a drug delivery module switchably coupled to the injection amount setting module, the rod lock can make a linear motion by the sliding motion of a lock protrusion through a lock guide formed through the rod holder along the lengthwise direction on the rotation of the rod guide and the sub-linear motion of the piston rod.

Modules for housing electronic and electromechanical medical equipment including a system to measure and record administration of one or more IV medications or fluids for IV administration.

A medicament delivery device includes a needle disposed at a distal end of the medicament delivery device. The medicament delivery device includes a body for a syringe and a needle cover axially movable relative to the body between an extended position in which the needle cover covers the needle and a retracted position in which the needle protrudes from the distal end of the needle cover. The medicament delivery device includes a plunger axially movable relative to the body to dispense medicament from the medicament delivery device. The medicament delivery device includes a needle cover biasing mechanism configured to bias the needle cover distally from the retracted position to the extended position. The medicament delivery device includes a locking mechanism configured to be moved by the plunger from an initial configuration to an engaged configuration to prevent a distal movement of the needle cover biasing mechanism.

A syringe carrier(16) comprising: - a housing(16.0) adapted to receive a syringe (3) having a needle (4) encapsulated by a removable protective needle sheath (5), - two or more flexible arms (16.1) protruding inwards in a relaxed state and adapted to couple with the syringe (3) in a mounted position, wherein the flexible arms (16.1) are adapted to deflect radially outwards in a pre-assembled position of the syringe (3) in the syringe carrier (16), wherein in the mounted position the flexible arms (16.1) are allowed to return into the relaxed state due, in part, to an axial force (F2) operating on the syringe carrier (16). The invention further relates to an autoinjector and a method of assembling the autoinjector.

The present invention provides devices and methods for establishing aseptic connections between two or more components or subassemblies. The devices may be used in medical devices such as drug delivery pumps (10). In some embodiments, a connection is made between a drug container (50, 1050, 2050) and a fluid pathway connection assembly (300, 1300, 2300). The fluid pathway connection assembly may include a connection hub (312, 1312, 2312), a piercing member (316, 1316, 2316), and a piercing member retainer (314, 1314, 2314). The assembly may further include a first film (318, 1318, 2318) covering a cavity (312A, 1312A, 2312A), thereby maintaining the aseptic condition of the cavity. The drug container may hold a fluid drug and include a pierceable seal (326, 1326, 2326). A second film (322, 1322, 2322) may cover a recess (328, 1328, 2328) formed by the seal and thereby maintain the aseptic condition of the interior of the chamber. The piercing member may be caused to pierce the first and second film and the pierceable seal to open a fluid pathway for delivery of the fluid drug through the fluid pathway connection assembly.

The self-destruction device comprises a shell and a dose adjusting device, the dose adjusting device comprises a dose adjusting rod, and the dose adjusting rod is movably connected to the shell so that the dose adjusting rod can stretch out or retract in the direction of the center axis of the shell relative to the shell. A plurality of shell locking devices are arranged on the inner wall of the shell, and a plurality of screw locking devices matched with the shell locking devices are arranged on the dose adjusting rod. The invention aims to provide a self-destruction device only capable of injecting once and an injection pen only capable of being used once.

An autoinjector having a reservoir (100) containing fluid and a piston; a needle; a driver (200) having a body; a piston rod (210) movable between a rest position and an injection position; an injection spring (220); and a force control mechanism (280, 290) for causing the force exerted by the injection spring to vary in predetermined manner during injection, and a lever (280) and a cam (290), the lever (280) pivotally mounted on the piston rod, being connected to the injection spring (220), and co-operating with the cam; and an interface module (300) fastened to the driver that receives a reservoir (100) before each actuation. The interface module having a selector ring (310) mounted to turn on the driver module, and pivot elements (320) fastening the reservoir module in the interface module.

An assembly for a medicament delivery device, the assembly comprising: a container holder comprising a body extending along a longitudinal axis between a proximal and a distal end, the body defining an interior chamber for receiving a medicament container; an actuator connected to the container holder and axially movable relative to the body of the container holder; and a drive assembly attached to the body of the container holder; wherein the drive assembly comprises a motion converter and a rod; wherein the actuator comprises an activation surface movable relative to the motion converter of the drive assembly in the direction of the longitudinal axis; and wherein a movement of the actuator relative to the container holder in the direction of the longitudinal axis is converted to a movement of the rod relative to the container holder along a transverse axis transverse to the longitudinal axis through an engagement between the motion converter of the drive assembly and the activation surface of the actuator.

A syringe exostructure includes a main body which removably receives a syringe having a syringe barrel and a syringe plunger. A drive plunger is reciprocatably mounted on the main body, and a plunger bar is slidably received in an axial channel on the drive plunger. The plunger bar is configured to removably couple to the syringe plunger when the syringe is introduced into the main body. A drive pawl assembly is fixed to an upper surface of the drive plunger and transfers motion of the drive plunger to the plunger bar as the drive plunger is advanced. The locking pawl engages the plunger bar and allows the plunger bar to be advanced by the drive plunger but prevents the plunger bar from being retracted as the drive plunger is retracted.

A medicine administration and tracking system includes a delivery device configured to deliver a plurality of doses of medicine over a plurality of days and a computing device configured to receive dose information for each dose. The computing device includes a software application operable to cause the computing device to retrieve the dose information for all doses within a pre-determined period of days, categorize each dose within the pre-determined period of days into one of a plurality of time blocks throughout a 24-hour timeframe, determine a time of interest based on a time block of the plurality of time blocks having the least amount of doses categorized therein, and select a physiological parameter reading from a plurality of physiological parameter readings as a physiological parameter reading of interest based on a proximity of a time of the physiological parameter reading to the determined time of interest.

The invention relates to a disposable syringe unit (2) for an injection device (1), which is adapted to be releasably attached to a reusable drive unit (3) of the injection device. The syringe unit (2) comprises: a pre-filled syringe comprising a reservoir and an injection needle (18); and a syringe holder (30) for holding the pre-filled syringe (15). The syringe unit further comprises: a cover member (20) guided by the guide means (31) thereby being movable along the longitudinal axis relative to the syringe holder (30) between a cover position in which the injection needle (18) is covered and a retracted position in which the injection needle (18) protrudes from the cover member (20); and a cap (10) releasably attached to the distal end of the cover member (20) or the syringe holder (30). In addition to the pre-filled syringe, the syringe unit (30) comprises no more than three separate components in total.

In a liquid medicine administration device (12A), the inhibition of movement of a plunger (30) by a locking mechanism (32) is released as a needle cover (18A) moves in a proximal direction, and the plunger (30) biased by an injection spring (146) presses a gasket (76) in a distal direction within a barrel (74). Due to the biasing of the plunger (30), a syringe unit (20A) that includes a syringe (68) moves in the distal direction, and a second needle portion (114) of a double-ended needle (22) and the distal end of the syringe (68) are connected, by which the second needle portion (114) and the interior of the barrel (74) are brought into communication. In conjunction with the connection of the syringe (68) and the second needle portion (114), the gasket (76) moves in the distal direction relative to the barrel (74) of the syringe (68), and a liquid medicine (M) is administered through the double-ended needle (22).