Abstract: A pneumatic retractable syringe has a plunger having an interior retraction lumen. The plunger and syringe barrel have cooperating locking elements so that the plunger is locked after use within the syringe barrel. After injection of medicament is completed, the needle is retracted into the lumen by compressed gas that is released from a gas cell within the syringe when the gas cell is ruptured just before the plunger reaches the end of its downstream path of travel.

Abstract: A safety needle assembly, including a hub; a needle fixed to the hub, the needle having a distal end and a proximal end; first and second shields, each having a tubular body at least partially encircling a portion of the needle, wherein in an initial state, the first shield extends from the hub; a biasing element disposed to urge the second shield distally toward the distal end of the needle; and a releasable retaining arrangement for releasably retaining the second shield in a first state. Upon a predetermined extent of proximal movement of the first shield relative to the hub, the second shield is released, thereby allowing the biasing element to urge the second shield to a second state in which the distal end of the needle is covered.

Abstract: A microneedle patch includes a base, at least one collapsible side wall extending from the base, and a lip disposed along the at least one collapsible sidewall and opposite the base. An adhesive is disposed along the base, and a microneedle array is affixed to the base.

Abstract: A closure assembly includes torque limit capabilities facilitating the attachment thereof to a medical connector with sufficient tightness to establish a flow stopping or sealing relation with the medical connector. A housing includes a stop member fixed on the interior thereof and rotatable there with into interruptive engagement with a movement restrictor connected to and movable with a closure cap which includes a flow restrictor. Application of a tightening force to the housing will cause rotation of the stop member into interruptive engagement with the movement restrictor and connected flow restrictor causing forced rotation of the flow restrictor onto attachment with the medical connector, while establishing a predetermined tightness.

Abstract: A device that is used in conjunction with a needle-based medication injection device (e.g. a prefilled syringe) that prevents needle stick injuries. The used needle is shielded by a needle guard that surrounds and extends beyond the needle tip. In a preferred embodiment, before the needle is inserted into the patient, the needle guard projects forward to substantially hide visibility of the needle for safety and to reduce patient anxiety.

Abstract: Syringe assemblies having a passive disabling system to prevent reuse are provided. According to one or more embodiments, the syringe assembly comprises a barrel, plunger rod and detachable thumb press wherein the plunger rod further comprises flexible locking petals that lock the plunger rod within the barrel, a ramp disposed adjacent to the locking element, and one or more frangible connection or break point at the proximal end of the plunger rod disposed either inside the thumb press or immediately adjacent to the thumb press to separate the thumb press from the main body of the plunger rod when a user applies sufficient proximal force to the plunger rod after it has been locked within the barrel.

Abstract: A cap assembly for a medicament delivery device is disclosed. The cap assembly includes a cap configured to be mounted to a proximal end of the medicament delivery device, wherein the cap comprises a cam surface. The cap assembly further includes a squeezer comprising (i) a body defining a first longitudinally extending channel configured to receive a delivery member shield and (ii) a plurality of radial arms flexible in a radial direction. The cap assembly also includes a spinner comprising (i) a proximal end face configured to cooperate with the cam surface of the cap, (ii) a body defining a second longitudinally extending channel configured to receive the squeezer, and (iii) a plurality of holes in the body of the spinner configured to receive the plurality of radial arms of the squeezer.

Abstract: One embodiment is directed to a system for injecting, comprising a syringe body defining an interior medicine chamber; a stopper member configured to be inserted into the interior medicine chamber to contain medicine within the medicine chamber; a plunger member configured to be manually manipulated to insert the stopper member relative to the syringe body; a needle having proximal and distal ends, the proximal end comprising an anchoring geometry configured to be at least partially penetrated into the stopper member such that upon retraction of the stopper member, the needle is pulled proximally along with the stopper to be at least partially contained within the interior medicine chamber; and an energy-storing member operatively coupled between the stopper member and the syringe body, the energy-storing member configured to facilitate retraction of the stopper member relative to the syringe body.

Abstract: A safety assembly for a medicament delivery device is presented that prevents premature activation or firing of the device during shipping or handling. The disclosed safety assembly uses a tubular cover partially contained inside of the housing of the delivery device that is axially slidable relative to the housing from a first position to a second position and then to a third position, the tubular cover having a housing nib and a cap nib, where each of the cap nib and housing nib protrudes radially outward from an outer surface of the tubular cover and are located at a proximal end of the tubular cover. In the first position the housing nib and cap nib are located outside of the housing with the housing nib abutting the terminal proximal face of the housing to prevent axial movement of tubular cover relative the housing.

Abstract: The technical problem of the present invention to provide a medical device, which exhibits an increased safety of the device and facilitates a safe use is solved by medical device for delivering at least one drug agent, comprising a sensor, a control unit and an attachable dispense assembly, wherein the sensor is configured to detect attachment of the dispense assembly to the medical device, wherein the control unit is configured to determine at least based on a signal from the sensor whether the end of life of the dispense assembly is reached and wherein the medical device is configured to indicate the end of life of the dispense assembly. The technical problem is further solved by a method according to the invention.

Abstract: A grease gun sleeve that comprises of an elongated semicircular body that has a first and second end, the first end has a flattened neck and the second a semicircular neck. A nylon or polyester stretchable material covers the elongated semicircular body to form a tube sleeve. The tube sleeve forms a first and a second end. The tube sleeve has closing means sewn, heat pressed or molded on the ends. In preferred embodiments, the closing means will be an elastic or rubber band that is placed adjacent to the ends. The grease gun sleeve has two pull tabs attached to the ends of the tube sleeve that allow the grease gun sleeve to be manipulated when placed on the hose of a grease gun.

Abstract: A waveguide includes multiple segments having different bend radii with substantially consistent cure profiles and related methods and systems for making and using the same. The waveguide is formed by modifying a laser beam used to write the waveguide to provide the consistent cure profile in the multiple segments. A marker characteristic of laser writing may be present in the waveguide. A method or system modifies an intensity profile or a shape profile of a laser beam to proactively compensate for exposure convolution based on the geometry of each waveguide segment. A convolution compensator is positioned in the path of the laser beam to modify the beam spot profile during writing to form the multiple segments of the waveguide in a photo-curable layer.

Abstract: A syringe system and components thereof are disclosed. The system may include a syringe body having a hollow lumen, a proximal open end, and a distal end. The syringe body may be configured to house a fluid therein. The syringe system may further include a plunger positioned in the hollow lumen of the syringe body, forming a seal with an inner wall of the syringe body. The plunger may include a removable piston having a shaft extending from the distal end towards the proximal open end, a stopper removably connected to a distal portion of the shaft, and at least one coupler attached to the distal portion of the shaft. The stopper may be configured to slidably move within the hollow lumen to facilitate movement of the fluid within the syringe body. The coupler may be configured to facilitate removal and attachment of the stopper from the piston.

Abstract: A barrel adapter for a syringe having a barrel and plunger. The adapter comprises a barrel tip and a needle retraction mechanism having a needle subassembly with a needle and a lumen, actuator subassembly, and biasing member. The needle subassembly moves from an injection to a retracted position within the barrel tip. The actuator subassembly includes a retainer connected to the barrel tip, a stylet held in a stylet disc, and a prong passing into the retainer. The stylet slides within the needle lumen and is spaced from the needle tip in the injection position. The biasing member biases the NOM from the retainer. A locking arrangement compresses the biasing member when locked and releases the biasing member when actuated by depression of the plunger, which moves the prong against the retainer. The biasing member moves the needle and stylet from the injection position to the retracted position when released.

Abstract: A distal end cover of an endoscope includes a peripheral edge portion configured to form an opening that externally exposes a space in which a raising base is housed, in a distal end member; a planned-to-be-torn-apart section including a tear starting point disposed on the peripheral edge portion, and a thin portion that is connected to a to-be-torn-apart section of the peripheral edge portion torn from the tear starting point, on an inside surface of a surface facing the opening or an inside surface of at least one side surface that connects the peripheral edge portion and the surface facing the opening; and an engagement portion configured to be engaged with an outside surface of the distal end member by engaging in a direction intersecting the outside surface.

Abstract: The present invention is directed towards microparticles consisting of a solid shell made of polymer, in particular an acrylic polymer, surrounding a core comprising a mixture of oil and wax and also pheromone. The present invention is also directed towards a production process and the use of an aqueous suspension of such microparticles containing pheromones comprising fatty chains, such as lepidopteran pheromones, and which are capable of releasing the pheromones in a sustained manner.

Abstract: Devices and methods for inserting an implant into skin or other tissue of a patient can include an insertion device having moveable portions that can retain, move, or otherwise control engagement and injection of a hyaluronic thread. The device can include a tubular member and a handle. The handle can include a body component coupled to the tubular member. The body component can include a passage that extends in communication with the lumen. The handle can further comprise first and second arms coupled to the body component and extending outwardly from the distal portion of the tubular member. Based on the configuration, the first and second arms can be positioned along the passage to change a cross-sectional profile of the passage and permit the device to engage or disengage the thread.

Abstract: A needle having shaft that forms a tip and a portion proximate to the tip that is formed from a shape memory polymer. The shaft of the needle may be programmed to curl from a straight configuration to a curved configuration upon triggering by heat, thereby moving the sharp tip and providing a non-stick needle for safe and easy disposal.

Abstract: A cap assembly for a medicament delivery device is disclosed. The cap assembly includes a cap configured to be mounted to a proximal end of the medicament delivery device, wherein the cap comprises a cam surface. The cap assembly further includes a squeezer comprising (i) a body defining a first longitudinally extending channel configured to receive a delivery member shield and (ii) a plurality of radial arms flexible in a radial direction. The cap assembly also includes a spinner comprising (i) a proximal end face configured to cooperate with the cam surface of the cap, (ii) a body defining a second longitudinally extending channel configured to receive the squeezer, and (iii) a plurality of holes in the body of the spinner configured to receive the plurality of radial arms of the squeezer.

Abstract: The medical system inflation syringe of the present invention enables a fluid communication selective interconnection of a male connector with a subset of certain female connectors, more particularly female Luer connectors, while preventing interconnection of said male connector with other subsets of female connectors, for the purpose of providing secure interconnection to achieve fluid (including gas or air) communication only with medical systems with which the inflation syringe is intended to be interconnected.

Abstract: A catheter assembly may include a catheter adapter, a septum housing, and a septum. The catheter adapter may include a distal end, a proximal end, an inner wall extending between the distal end and the proximal end, and a lumen formed by the inner wall. The septum housing may include one or more protrusions and may be secured to the inner wall by one or more of the following: an interference fit between the one or more protrusions and the inner wall, a snap fit between the one or more protrusions and the inner wall, and bonding between the one or more protrusions and the inner wall. The septum may be at least partially disposed within the septum housing and configured to at least substantially seal the lumen.

Abstract: A sealed fluid transfer device comprised of tubing, a proximal fitting, and a distal needle assembly is provided. The needle assembly includes a needle hub secured to a needle cannula. A cantilevered actuator arm extends outwardly from the needle hub having an actuator button at its free end. The needle assembly is disposed in a barrel and can move from a distal position, where the needle is exposed, to a proximal position, where the needle is shielded. The barrel includes a septum which seals the barrel. A spring is disposed in the barrel for propelling the needle assembly to the proximal position. The barrel includes an aperture that receives the actuator button for locking the spring in a compressed condition. Depression of the actuator button enables the spring to propel the needle assembly into its proximal position. A safety mechanism prevents inadvertent depression of the actuator button.

Abstract: Embodiments of a tamper-proof adapter can be configured to provide interconnection of medical tubing or other devices with varying fitting or coupling types. In one embodiment, the adapter can permanently couple a first male Luer fitting to a second male ISO 80639-6 compliant fitting.

Abstract: Syringe/conduit combination with a syringe part (1) and a conduit part (2). The parts have a male slip fitting (4) and a female slip fitting (5) for press fitted connection. The syringe part (1) has a hollow barrel (22) and a plunger (23) inserted into the barrel (22). The plunger (23) and the hollow barrel (22) have abutments (25, 27) defining a maximally inserted position of the plunger (23). The male slip fitting (4) fits in the female slip fitting (5) such that the male slip fitting (4) is at an axial distance of less than 0.1 mm from an internal end of the female slip fitting (5). The plunger (23) in its maximally inserted position is then at an axial distance from an opposite one of the slip fittings (5) that is equal to or less than the axial distance between the male slip fitting (4) and the internal end (9) of the female slip fitting (5).

Abstract: Provided is a system and method for an ergonomic needle protector. More specifically, provided is an ergonomic needle protector for a needle having a first curvature. The ergonomic needle protector has a flexible body having a first end and a second end, and an internal channel extending from the first end towards the second end. The flexible body is formed of a resilient material structured and arranged to return to a curved state along the length of the flexible body according to a second curvature different from the first curvature of the needle. The internal channel is structured and arranged to receive the needle when the flexible body is deformed to conform the internal channel to the first curvature and frictionally bind against the needle when the flexible body is released back to the second curvature. An associated method of use is also provided.

Abstract: A surgical hand tool includes a handle that has an inner cavity. The handle has a proximal end and a distal end. The surgical hand tool also includes a primary tube extending outwardly from the cavity at the distal end, a reinforcing slider slidably disposed over the primary tube, and a biasing member coupled to the handle that biases the reinforcing slider away from the handle. The surgical hand tool also includes a retention mechanism coupled to the handle, the retention mechanism configured to engage and disengage with the reinforcing slider to control relative movement between the reinforcement slider and the handle.

Abstract: A method and apparatus are disclosed for delivery of a drug to a recipient. In some embodiments, the delivery apparatus may unseal a drug containing reservoir. In some embodiments, the delivery rate may be controlled and/or adjustable. Optionally the apparatus may be disposable. Optionally, the apparatus may have a low profile and/or be wearable and/or attachable to the recipient. Optionally, discharge of the drug and/or unsealing of the reservoir may be driven by a plunger moving parallel to the base of the apparatus. Optionally, the apparatus may release a hypodermic needle into the recipient. Optionally, release of the hypodermic needle may be in a direction non-parallel and/or orthogonal to the direction of movement of the plunger. Optionally, prior to release, the hypodermic needle may be preserved in an aseptic state by a needle opening septum sealing a needle opening. Optionally, upon release, the hypodermic needle may pierce the needle opening septum.

Abstract: A dispensing mechanism for administering a dosage of a medicament includes dosage setting means (7) for setting the dosage of a medicament to be administered; expelling means (15) for expelling a medicament from a medicament container; and coupling means (21) operatively coupled with the dosage setting means (7) and the expelling means (15), wherein the coupling means (21) is arranged to convert displacement of the dosage setting means (7) into a displacement of the expelling means (15) in a first direction, wherein the expelling means (15) includes a ratchet means (18a, 18b), and wherein the mechanism includes a first and a second independently moveable resisting pawl (14a, 14b) means facing a common side of the ratchet means (18), the first and the second resisting pawl means (14a, 14b) being configured to engage with the ratchet means (18a, 18b) and resist displacement of the expelling means (15) in a second direction opposite to said first direction.

Abstract: One embodiment is directed to a system for injecting, comprising a syringe body defining an interior medicine chamber; a stopper member configured to be inserted into the interior medicine chamber to contain medicine within the medicine chamber; a plunger member configured to be manually manipulated to insert the stopper member relative to the syringe body; and a needle having proximal and distal ends, the proximal end comprising an anchoring geometry configured to be at least partially inserted into the stopper member such that upon retraction of the stopper member, the needle is pulled proximally along with the stopper to be at least partially contained within the interior medicine chamber.

Abstract: A barrel adapter mountable to a syringe barrel includes a barrel tip, a biasing member, a locking mechanism, and a needle assembly. A safety syringe includes a barrel, a plunger assembly, and a barrel adapter. The needle assembly includes a needle, a needle hub, and a needle seal. The needle is configured to pass-through the needle assembly, locking mechanism, biasing member, and barrel tip such that, at one end the needle is within the barrel and at another end the needle passes through an aperture in the barrel tip. The barrel may be substantially cylindrical, having along its longitudinal axis a distal end for drug injection, a proximal end for injection control, and at least a portion of the barrel interior for drug containment. The barrel adapter provides needle retraction mechanisms to the barrel to form a safety syringe. Methods of assembling, manufacturing, and using such syringes are also provided.

Abstract: A syringe assembly including a syringe barrel having a first end, a second end, and a sidewall extending therebetween defining a chamber is disclosed. The syringe assembly includes a stopper disposed within the chamber of the syringe barrel and a plunger rod having an inner member engaged with the stopper and an outer member adapted for telescopic movement with respect to the inner member. The plunger rod is transitionable from a collapsed position, in which a portion of the inner member is nested within the outer member, to an extended position, in which the same portion of the inner member extends outside the outer member. The syringe assembly also includes a stop member configured for cooperation with a portion of the syringe barrel, upon relative movement of the outer member with respect to the inner member, to limit the outward travel of the plunger rod from the syringe barrel.

Abstract: A medicament delivery device is present having a housing with a distal and a proximal end, the housing being adapted to receive a medicament container with a delivery member or with a connectable delivery member for delivery of a medicament. A drive mechanism acts on the medicament container to deliver the medicament. An actuator is interactively connected to the drive mechanism for holding the drive mechanism in a pre-tensioned state. A biased delivery member cover is positioned at least partially and axially movable within the housing and is interactively connected to the actuator, such that when the biased delivery member cover is pressed against a delivery site the actuator releases the drive mechanism from the pre-tensioned state. A signal delay mechanism is operably connected to said drive mechanism to generate an audible and/or tactile and/or visual signal indicating that the medicament has been completely delivered.

Abstract: An I.V. flush syringe assembly includes a barrel having an inside surface defining a chamber for retaining fluid, an open proximal end and a distal end with a passageway therethrough in fluid communication with the chamber. An elongate plunger having a proximal end, a distal end and a flexible stopper is slidably positioned in fluid-tight engagement with the inside surface of the barrel for drawing fluid into and out of the chamber by movement of the stopper relative to the barrel. The barrel includes anti-reflux structure for holding said stopper in a partially deflected position after fluid has been delivered from the chamber and the stopper is being force against the distal end of the chamber.

Abstract: Provided is a medicament delivery device (100) comprising a tubular housing (110), having a proximal end (111) and an opposite distal end (112), an actuator means (119, 120), slidably and coaxially arranged inside the tubular housing (110) wherein is provided an inter-locking mechanism (119, 413) between the a cap (410) and the housing (110), enabling the cap (410) to freely spin, i.e. it is impossible to open the cap (410), until the medicament delivery device (100) has been properly activated by an activator means (160).

Abstract: The present invention relates to an autoinjector device (10) for use in combination with a syringe (30), said syringe comprising a movable plunger; a needle; and a tubular needle shield (34). The claimed autoinjector device (10) comprises: an elongated housing having a proximal (11) and a distal end (12); a drive mechanism; a syringe holder (40) in order to support the fragile syringe and to prevent damage to the syringe. The invention furthermore relates to a method for assembly of the autoinjector device according to the invention.

Abstract: A dispensing mechanism for administering a dosage of a medicament includes dosage setting means (7) for setting the dosage of a medicament to be administered; expelling means (15) for expelling a medicament from a medicament container; and coupling means (21) operatively coupled with the dosage setting means (7) and the expelling means (15), wherein the coupling means (21) is arranged to convert displacement of the dosage setting means (7) into a displacement of the expelling means (15) in a first direction, wherein the expelling means (15) includes a ratchet means (18a, 18b), and wherein the mechanism includes a first and a second independently moveable resisting pawl (14a, 14b) means facing a common side of the ratchet means (18), the first and the second resisting pawl means (14a, 14b) being configured to engage with the ratchet means (18a, 18b) and resist displacement of the expelling means (15) in a second direction opposite to said first direction.

Abstract: A blood sampler includes a hollow transparent barrel including a reduced collection portion located at a front end thereof and terminating in a reduced coupling portion, an outlet defined in the coupling portion and a plurality of ribs spaced around and raised from an inside wall near an opposing rear end thereof, a piston axially movably fitted into the hollow transparent barrel and having a screw hole and peripheral ribs, a cap detachably capped onto the collection portion to seal the outlet, and a plunger having a screw rod located at a front end thereof and threaded into the screw hole of the piston for allowing movement the piston with the plunger. The hollow transparent barrel enables collecting blood sample from a patient, separating the collected blood sample into platelet-rich plasma, platelet-rich plasma and serum in a centrifuge and injecting the collected platelet-rich plasma into a patient body.

Abstract: A plunger, a needle assembly and a retractable syringe comprising same are provided. The plunger comprises a plunger member and a plunger outer having a lock spring that prevents or impedes movement of the plunger member after needle retraction. The plunger further comprises another locking member for engaging the barrel to prevent or impede further movement of the plunger outer after delivery of fluid contents. The plunger member has a plunger seal which engages a retractable needle of the needle assembly for retraction. The retractable needle comprises a cannula and needle body with a plurality of fluid channels that co-operate with a fluid conduit of the plunger seal to efficiently direct fluid to the cannula. A needle retainer comprises a plurality of barbed arms releasably coupled to the needle body, whereby an ejector with tabs facilitates release of the retractable needle from the needle retainer to allow compressed spring-driven retraction.

Abstract: A safety syringe has a barrel, a pushing element, a retracting element, and a needle group. The barrel is hollow and has a needle-group mounting end, an operating grip end, and a barrel lumen. The pushing element is retractably mounted in the barrel lumen and has a pushrod chamber. The retracting element is airtightly and slidably mounted in the pushrod chamber. The needle group is connected to the needle-group mounting end of the barrel. The present invention can pull the retracting element to move relative to the pushing element to form a low pressure condition in the pushrod chamber as a vacuum status. After the injection, a vacuum attraction force in the pushrod chamber can retract the used needle group into the pushrod chamber for safe use of the safety syringe.

Abstract: A needle guard clip assembly has a clip and a spring, the clip having a first wall with a needle passage therethrough, a generally parallel second wall, a strut connecting the two walls, and a heel extending from the first wall. The walls, strut, and heel are an integral piece. The spring is associated with and extends from the first wall.

Abstract: A flexible cannula device and delivery system for use in arthroscopic surgery. The delivery system engages the flexible cannula from the inside near the distal tip and pushes it into the surgical portal, essentially pulling the proximal portion of the cannula from the distal tip while being pushed from the proximal end with the specialized driver. The delivery system provides for single point engagement at the distal tip as well as a multiplicity of engagement points along the length of the system.

Abstract: Exemplary embodiments provide a needle shield remover that reliably engages with a distal cap of an automatic injection device and with one or more needle shields coupled to a syringe of the device. When a user removes the distal cap, the needle shield remover reliably removes the needle shields (e.g., a soft needle shield and a rigid needle shield) from the syringe, thereby exposing the injection needle for performing an injection. In an exemplary assembly method, a needle shield remover is engaged to a needle shield coupled to a syringe, prior to insertion of the syringe and needle shield remover assembly into a housing of the device. This exemplary assembly method allows visual inspection, outside the housing of the device, to ensure that the needle shield remover is correctly and reliably engaged to the needle shield before the syringe and needle shield remover assembly is inserted into the housing.

Abstract: A disposable chromatography sample introduction device includes a stylus with a holder and a tubular stem extending from one end of the holder containing porous sample-holding material. The stylus has a pair of spaced openings permitting fluid flow therethrough. An injector housing includes an insertion port for receiving the stylus, a seal, an inlet port for communicating with one stylus opening, and an outlet port for communicating with the other stylus opening. When the stem is immersed in a sample, sample enters the stem by capillary action. Thereafter, the stylus is inserted into the housing insertion port where mobile phase flowing from inlet port to outlet port passes through the stem extracting sample. The holder has a finger grip and an external thread that engages a complementary injector housing thread to secure the holder when the stylus is inserted therein.

Abstract: One embodiment is directed to a system for injecting, comprising a syringe body defining an interior medicine chamber; a stopper member configured to be inserted into the interior medicine chamber to contain medicine within the medicine chamber; a plunger member configured to be manually manipulated to insert the stopper member relative to the syringe body; and a needle having proximal and distal ends, the proximal end comprising an anchoring geometry configured to be at least partially inserted into the stopper member such that upon retraction of the stopper member, the needle is pulled proximally along with the stopper to be at least partially contained within the interior medicine chamber.

Abstract: A safety needle assembly for an injector is provided herein which, in a first aspect of the subject invention, includes a needle having a distal end formed for injection, a carrier for supporting the needle, and a shield for selectively covering the distal end of the needle. The shield includes at least one through aperture formed therein, wherein the at least one through aperture is superimposed over the distal end of the needle in an initial state prior to the injection. In a further aspect of the subject invention, a safety needle assembly is provided which includes a needle having a distal end formed for injection, a carrier for supporting the needle, and a shield for selectively covering the distal end of the needle. The shield includes a proximal and, a distal end and a sidewall extending therebetween.

Abstract: The present invention safety device is a one-piece needle assembly that has a base and a housing pivotally connected to the base. The base has a distal portion to which a needle is fitted. At the base there is formed longitudinally along its distal portion a catch mechanism that may be in the form of an anchor projection. At the back wall of the housing there is extended another catch mechanism that may be configured in the form of two clasping fingers. Also providing in the housing is an integral hook. As the housing and the base are pivoted relative to each other, and as the needle makes contact with the hook, the respective catch mechanisms at the base and the housing also make contact with each other, resulting in the coupling of the catch mechanisms and the coupling of the needle to the hook. As a result, the catch mechanisms are interlocked and the needle is fixedly retained by the hook within the housing.

Abstract: A skin engagement member is provided herein for use with a needle assembly or a medical injector to minimize irritation of a patient's skin surrounding an injection site during injection by a needle of the needle assembly or the medical injector. The skin engagement member includes: a body; a surface defined on the body for engaging the patient's skin during injection by the needle; an aperture formed through the body configured to permit passage therethrough of the needle; and, rotatable mounting features for rotatably mounting the body to the needle assembly or the medical injector such that the surface, while engaging the patient's skin, is rotatable about the aperture.

Abstract: A medicament delivery device includes a housing having proximal and distal ends; a delivery member connected to the housing; a medicament container operably arranged within the housing; a drive mechanism configured to act on the medicament container for priming and for expelling a dose of medicament; and an activator mechanism configured to interact with the drive mechanism, such that a first interaction between the activator mechanism and the drive mechanism causes the container to move toward the delivery member, in which the container is primed, and such that a subsequent interaction between the activator mechanism and the drive mechanism causes a dose of medicament to be expelled through the delivery member.

Abstract: An object is to provide a syringe that is capable of preventing a cap from being mounted to a syringe body at an oblique angle. The cap includes an elastic cylindrical body for receiving an injection needle therein and sealing a holding part, and an external cylindrical body for covering the circumference of the elastic cylindrical body and holding the elastic cylindrical body in such a manner as to prevent movement of the elastic cylindrical body. The external cylindrical body includes an opening part having a dimension configured to be larger than the holding part of the syringe body, and a guide part that guides the injection needle toward a certain direction by coming into contact with a part of the syringe body when the injection needle is received inside the elastic cylindrical body.

Abstract: An dual-dose syringe system is an apparatus that includes a tubular housing and a plunger. The tubular housing attaches onto a variety of syringe and needle assemblies and mounts the plunger within the syringe. The tubular housing prevents the plunger from simply traversing into the syringe. The tubular housing includes a first lateral-half portion and a second lateral half-portion that snaps onto each other and encloses a syringe. The tubular housing further includes a key slot that engages the plunger. The plunger includes a plurality of cross bars that predetermine two doses. Each of the plurality of cross bars is positioned perpendicular to a corresponding adjacent bar, forcing a user to purposefully twist the plunger in order to administer a dose. The apparatus further includes at least one spring-loaded barb that prevents the reuse of the apparatus.