2286results about "Ampoule syringes" patented technology

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 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.

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 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.

Some injection devices include an injection device body, a needle shroud retractable into the injection device body, a control spring coupled to the needle shroud and biased to cause the needle shroud to be at least partially extended from the injection device body in an initial position, and a hold detent mechanism coupled to at least the needle shroud. The hold detent mechanism is configured to (i) activate, when the needle shroud is retracted from the initial position into the injection device body to a hold position, to create a hold detent force, and (ii) deactivate, when the needle shroud is extracted from the hold position subsequent to the retraction, to release the hold detent force and enable the needle shroud to extend from the injection device body to substantially the initial position.

A fluid adhesive dispenser device includes a housing having a passageway through the housing and a port at a distal end of the passageway. The dispenser device also includes a container at least partially within the housing configured to contain a single-use amount of the fluid adhesive. The container is configured to be opened allowing the fluid adhesive contained therein to be actively expelled from the container through the passageway and the port of the housing. A method of manufacture of the fluid adhesive dispenser device includes providing the dispenser device filled with the single-use amount of the fluid adhesive and sterilizing the filled device.

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

A cartridge retaining unit comprising: a cartridge container forming an outer surface of the cartridge retaining unit and having an internal space; and a cartridge holder forming a tubular retaining portion disposed in the internal space of the cartridge container, the cartridge holder being configured to rigidly hold a cartridge parallel to the cartridge holder, the cartridge holder and the cartridge container being rigidly coupled to each other with respect to their axial orientation.

A drug delivery device comprising a housing with an opening surrounded by an edge, an indicator member adapted to rotate relative to the housing during dose setting and expelling corresponding to an axis of rotation. A pattern is arranged on the indicator member and comprises a plurality of indicia indicating a rotational position of the indicator member relative to the housing. The edge comprises a scanner edge portion arranged generally in parallel with the axis of rotation. A line scanner is arranged at the scanner edge portion and adapted to scan a line formed portion of the indicator member observable in the opening as the indicator member rotates relative to the line scanner from a start rotational position to an end rotational position during dose setting and / or dose expelling thereby providing a plurality of line scan images allowing a set or expelled amount of drug to be calculated.

A drug delivery device may include a housing having an opening and a drug storage container including a delivery member having an insertion end configured to extend at least partially through the opening during a delivery state. The device may also include a guard moveably positioned adjacent to the opening and a plunger having a generally cylindrical body portion extending along a longitudinal axis of the container and at least one flange extending radially outwardly from the body portion, wherein the plunger is moveable toward the distal end of the container to expel a drug through the delivery member. The device may further include a plunger biasing member configured to urge the plunger toward the distal end of the container and a releaser member defining a guide configured to receive the at least one flange and an indicator configured to generate an audible signal indicating an end of drug delivery.

The invention relates to dose and dispensing mechanism comprising a housing (10), a plunger rod (60), a dosing click member (80) comprising axially extending dosing click teeth (82) adapted to engage axially extending counter dosing click teeth (72) and the mechanism further comprises a dispensing click member (90) inside the housing and comprising dispensing click teeth (91) adapted to engage counter dispensing click teeth (71). In a dose setting position the drive member (40) is operatively coupled to the dosing click member (80) to rotate it relative to the housing which causes the dosing click teeth (82) to slide over the counter dosing click teeth (72) and in a dispensing position the drive member (40) is operatively coupled to the dispensing click member (90) to rotate it relative to the housing which causes the dispensing click teeth (91) to slide over the counter dispensing click teeth (71).

To provide a botulinum toxin pre-filled injectable formulation that facilitates discharge rate control and is stable.SOLUTION: Provided is a syringe formulation pre-filled with botulinum toxin, comprising: a syringe comprising a syringe barrel, a plunger rod, and a plunger stopper; and a botulinum toxin liquid preparation filled in the syringe, where an amount of increase of a force acting on an end of the plunger rod decreases as a rate of discharge of the botulinum toxin liquid preparation increases.SELECTED DRAWING: Figure 2

The invention provides an automatic injection device which comprises a needle bin system, a needle head system, a needle head system, a needle head system, a needle head system, a needle head system and a needle head system, the driving system is detachably connected with the needle bin system, the driving system is provided with a first-stage driving mechanism and a second-stage driving mechanism, the first-stage driving mechanism is used for driving an injection needle of the pre-filling injector to pierce an injection part, and the second-stage driving mechanism is used for driving an injection push rod of the pre-filling injector to move; and the liquid medicine is injected into the injection part through the injection needle. The automatic injection device can be repeatedly used, more importantly, the automatic injection device is further provided with the first-stage driving mechanism and the second-stage driving mechanism, the first-stage driving mechanism is used for puncturing the injection needle on the pre-filling injector into the body by a certain depth, and then the second-stage driving mechanism drives the injection push rod of the pre-filling injector to move; all the liquid medicine is injected into the injection part, time sequence control is achieved, and therefore the liquid medicine injection effect can be ensured.

Medication delivery methods, devices and systems are provided, the medication delivery device includes user interface elements, control circuitry, and a memory. The method includes receiving analyte measurement data of a user, presenting information related to the analyte measurement data to the user, and determining an intended dose of medication based on at least one of the analyte measurement data, optionally, therapeutic relevant conditions, therapy parameters, or a calculated insulin-on-board (IOB) value. When the user is queried to indicate that the user is ready for the delivery without presenting the intended dose on any of the one or more user interface elements of the medication delivery device, the intended dose is automatically delivered after receiving the user's indication.

A transdermal drug administration device comprises: a housing; a battery; an injection system; a movable connection part for providing fluid connection between the injection system and a reservoir containing an active ingredient intended to be administered; a pump system, the pump system being motorized so as to cause a fluid to circulate within a fluid network of the device; and an electronic system for controlling the driving of the pump system, the electronic system being provided with a mechanical switch for powering the pump system with a battery, wherein the movable connection part is moveable relative to the housing and the reservoir, the movable connection part jointly controlling the fluid supply of the pump and the power supply of the electronic system during the movement, at least part of the movement being performed by a human mechanical action.

The utility model relates to the technical field of medical instruments, and provides a drug delivery device which comprises a main body with a containing cavity and a driving assembly, and the driving assembly is installed in the containing cavity. The driving assembly comprises a mounting base, a lead screw, a push rod and a motor, the mounting base is connected with the body, the motor and the push rod are both mounted on the mounting base, the lead screw is connected with the driving end of the motor, the push rod sleeves the lead screw and is in threaded connection with the lead screw, and a push head is arranged at the end of the push rod, is in sealed connection with the push rod and is used for abutting against a medicine plug in a medicine bottle. The medicine bottle is at least partially located in the containing cavity. The driver is installed in the containing cavity of the main body, the driving assembly is protected, waterproof and dustproof effects are achieved, and water and dust are prevented from entering a product to affect the performance of the product; the whole stroke of the push rod is in the containing cavity, and the product is prevented from being damaged when falling accidentally. In addition, when the liquid medicine needs to be stored at low temperature, the medicine bottle can be detached for independent storage, and safety is high.

A monitoring feature, such as, for example, a pen cap, for an insulin delivery device may include at least one circuit adapted to detect at least one of a capping or decapping of the pen cap from an insulin pen and a processor for using information to the at least one of a capping or decapping of the pen cap. A monitoring feature for an insulin delivery device includes at least one circuit adapted to detect use of the insulin delivery device.