Abstract: A syringe and detachable needle assembly having binary attachment features include an elongate syringe barrel having a longitudinal axis, an open proximal end and an open distal end including a collar. The collar includes the cylindrically shaped sidewall having an inside surface and an outside surface. A needle assembly includes the hub having a body portion including a proximal end, a distal end and a conduit therethrough. A cannula having a distal end, a proximal end and a lumen therethrough is attached to the distal end of the hub so that the lumen is in fluid communication with the chamber. A lug is provided on one of the collar and the hub and a ramp and a rest surface is provided on the other of the collar and the hub. The ramp is oriented at an acute angle with respect to longitudinal axis for guiding the lug during needle assembly attachment, to the rest surface forcing the hub to contact the barrel to form a seal the hub and the barrel.

Abstract: To provide a syringe with a needle storage mechanism in which the needle storage mechanism is not activated before use. A safety syringe including an injection barrel 1 having a connecting portion 11 at the distal end and an opening at the proximal end thereof, a needle assembly B having an injection needle 5 and a needle base 6 fixed to the proximal end of the injection needle 5 and being connected to the connecting portion 11, a gasket 2 provided liquid-tightly and slidably in the injection barrel, a plunger 3 being connected to the proximal end of the gasket 2 and joining means 21 provided at the distal portion of the gasket 2 or the plunger 3, and joined means 61 provided at the proximal portion of the needle base 6, wherein a joint preventing means 90 which prevents the joining means 21 and the joined means 61 from being joined unintentionally before use, and allows joining to each other when in use is provided.

Abstract: A method of manufacturing a syringe for use in enteral feeding includes providing a premolded syringe body having a plunger end and an outlet end, loading the premolded syringe body into a mold having a core pin extending into the outlet end of the premolded syringe body, closing the mold to thereby retain the premolded syringe therein and to close a mold cavity around the outlet end of the syringe body, injection molding by injecting plastic molding material into the mold cavity and cooling to thereby form a tip at the outlet end of the premolded syringe body, and opening the mold and extracting the syringe body and the tip.

Abstract: A luer connector assembly is provided for enhancing the frictional engagement between medical devices such as syringes and needle assemblies. The assembly needle includes a female luer fitting having a passageway and a relatively soft, resilient member bounding the passageway. The passageway is also bounded by the body of the fitting, which is harder than the soft, resilient member. A male luer fitting inserted into the passageway engages both the soft, resilient member and the body of the female luer fitting. A method of manufacturing such a connector assembly is further provided. A first material is injected into a mold to form the body of a female luer fitting, the fitting including a passageway and a recess extending into the body. A second material is then injected such that it extends into the recess and bounds the passageway. The second material, when cool, is softer than the first material.

Abstract: An injection device tip includes a body configured to be removably connected to an injection device and a needle having a portion projecting from a proximal end of the body. The body at least one of has flexible portions which can be deflected inwardly to cause release of an engagement between the body and a proximal end of the injection device, has two oppositely arranged flexible portions arranged outside an imaginary circle defined by an outside surface of two opposite portions arranged between the two oppositely arranged flexible portions, is generally oval in shape, is generally rectangular in shape, is generally square in shape, and is non-circular in shape. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: A spinal cannula for delivering a therapeutic agent to a spinal cord target includes proximal and distal end portions, a middle portion, and a deployable cannula member having distal and proximal end portions and a first lumen extending between the end portions. The spinal cannula includes a fluid delivery line operably connected to the proximal end portion of the deployable cannula member, and a fluid delivery line including a second lumen in fluid communication with the first lumen. The spinal cannula includes a support cannula proximally located from the deployable cannula member and securely connected to a portion of the fluid delivery line. Additionally, the spinal cannula includes a delivery cannula having distal and proximal end portions and a third lumen extending between the end portions for receiving the support cannula. The proximal end portion includes a locking mechanism for releasably engaging the proximal end portion of the support cannula.

Abstract: Fluid collection/injection device includes a body having a front end, a back end, and a main hollow section arranged between the front and back ends. A needle hub securing section is arranged on the front end and is structured and arranged to receive therein a needle member. The needle hub securing section includes a fixed part and a movable part. The fixed part is integrally formed with the front end and the movable part is arranged on a member that has one end which is one of fixed to a portion of the main hollow section, connected to a portion of the main hollow section via a living hinge, removably connected to a portion of the main hollow section, and integrally formed with the main hollow section.

Abstract: A safety disposable syringe includes: a barrel; a plunger extending into the barrel; a piston mounted on the plunger and formed with a first engaging member; and a needle seat extending fittingly into the barrel and having a front end disposed outwardly of the barrel, and a rear end disposed in the barrel and having a rear end face facing toward the piston. The needle seat defines a fluid passage extending through the rear end face of the rear end of the needle seat. The needle seat is formed with a second engaging member. The fluid passage has a terminating end terminated at the rear end face of the rear end of the needle seat. The second engaging member has a terminating end terminated at the rear end face of the rear end of the needle seat and spaced apart from the first terminating end of the fluid passage.

Abstract: Syringes having a snap-fit mechanism for attaching a needle hub to a syringe barrel in a snap-fit relationship and packaged medical device comprising a syringe with a snap-fit mechanism and a needle hub mare provided. An exemplary syringe includes a barrel with a collar and a rotatable arm which allows connection of a needle hub to the barrel in a snap-fit relationship. Additional features of the collar and rotatable arm may also permit disconnection of the needle hub from the barrel without the use of relative rotation of the needle hub and barrel. In a specific configuration, the syringe utilizes a torsional snap-fit element to connect the needle hub to the barrel in a snap-fit rotation. In a more specific configuration, the syringe utilizes a collar with differing interior surfaces which permit snap-fit assembly and disassembly of the needle and the barrel.

Abstract: An attachment for a parenteral device, the device comprising a body and an outlet for conveying fluid, the attachment comprises a housing (12) adapted for engagement with the body, an elongate hollow needle (30), having an outer end (32) and an inner end (34), with an aperture at both ends, a carrier (40) for carrying the needle, the carrier being movable relative to the housing from a first, position, at which the outer end is received within the housing, to a second position at which the outer end extends from the housing and the carrier being movable from second position to first position, and the housing having a flow path extending, when the carrier is in second position, between the outlet and the carrier, wherein the needle is open at the inner end; whereby when the carrier is positioned in second position the inner end is brought into communication with the flow path.

Abstract: A needle mounting system and methods for mounting a needle assembly on a needle mount are disclosed. The needle mounting system includes a needle hub having protrusions extending radially inward. A needle mount has a plurality of slots to receive the protrusions. The slots have a first portion that defines a passageway substantially parallel to a longitudinal axis of the needle mount and a second portion substantially perpendicular to the axis. The needle hub and mount provide a method wherein a needle assembly may be mounted on an injection device without completely rotating the needle hub relative to the needle mount.

Abstract: A luer connector assembly is provided for enhancing the frictional engagement between medical devices such as syringes and needle assemblies. The assembly needle includes a female luer fitting having a passageway and a relatively soft, resilient member bounding the passageway. The passageway is also bounded by the body of the fitting, which is harder than the soft, resilient member. A male luer fitting inserted into the passageway engages both the soft, resilient member and the body of the female luer fitting. A method of manufacturing such a connector assembly is further provided. A first material is injected into a mold to form the body of a female luer fitting, the fitting including a passageway and a recess extending into the body. A second material is then injected such that it extends into the recess and bounds the passageway. The second material, when cool, is softer than the first material.

Abstract: A needle mounting system and methods for mounting a needle assembly on a needle mount are disclosed. The needle mounting system includes a needle hub having protrusions extending radially inward. A needle mount has a plurality of slots to receive the protrusions. The slots have a first portion that defines a passageway substantially parallel to a longitudinal axis of the needle mount and a second portion substantially perpendicular to the axis. The needle hub and mount provide a method wherein a needle assembly may be mounted on an injection device without completely rotating the needle hub relative to the needle mount.

Abstract: An aspiration apparatus 10 is described that includes a guide 12 and a set of needles 14. Guide 12 preferably has an approximately conical shape with a decreasing diameter in the distal direction. A plurality of lumens 32 extend between a distal end portion 18 and a proximal end portion 20 of guide 12. Lumens 32 have distal openings 34 in distal end portion 18 and proximal openings in proximal end portion 20. Lumens 32 are acute and oblique to the longitudinal axis and diverge from each other and the central longitudinal axis as they extend distally from distal openings 34. Needles 14 have a tubular wall 60 and are slidingly positionable in lumens 32. Needles 14 include a longitudinal section 80 of tubular wall 60 that has a plurality of apertures 72 that decrease in size in the proximal direction. Apertures 72 define an approximately conically shaped area of harvest. Aspiration apparatus 10 can connect to an external source of reduced pressure through guide 12 or directly to each needle 14.

Abstract: A syringe having an internal pressure gauge comprises a syringe barrel; a piston within the barrel; a spring coupled to the piston at a first position of the spring, the spring having a second portion that is movable in response to fluid pressure within a syringe cavity; and a pressure gauge having an indicator correlated to a plurality of positions of the second portion of the spring to indicate a pressure of a fluid. The spring can be a bellows. The first portion of the spring can be coupled to the piston to form a sliding seal with an inner wall of the syringe, and the second portion of the spring can move longitudinally within the syringe without sealing contact. The syringe can indicate fluid pressures within a range of at least about 5 to 35 cm H2O, for example. The fluid chamber can be in fluid communication with a cuff of an inflatable medical device, such as an endotracheal tube, such that the measured pressure comprises the fluid pressure within the cuff.

Abstract: A needleless injection device comprising a cylinder for medicine having an injection nozzle at a forward end thereof and an opening at its rearward end; a piston sliding in the cylinder through said open end, in use, to drive the medicine through the nozzle; a ram to drive the piston into the cylinder and having a longitudinal axis; and a mechanical energy accumulator to drive the ram when discharged and disposed between the ram and a discharge assembly, a rear end of the ram extending into said discharge assembly; wherein the discharge assembly comprises a retention member fixed in the assembly, said retention member having a plurality of retention elements spaced around and adapted to locate on the ram when in a charged position of the ram, and a release ring surrounding said retention elements to prevent radial outward displacement thereof and discharge of the ram; and wherein axial displacement of said release ring releases said retention elements and causes discharge of the ram by said accumulator; chara

Abstract: A one-piece connector of plastic is provided for removing a housing and needle of a Huber needle assembly from a patient. The connector has a rectangular frame that can be positioned about a gripping surface on the housing of the needle assembly and a pair of wings that pivot upwardly to contact each other to provide a gripping surface for a user to pull the connector and housing of the needle assembly from the patient.

Abstract: A plastic product having a hard plastic component and a soft plastic component that adheres to the hard plastic component via at least one boundary surface is produced as follows: initially the soft component is injection molded in an injection molding die. Then the hard component is injection molded. In the plastic product produced in this manner, the soft component is surrounded over at least part of the circumference thereof by the hard component in the circumferential direction about a main demolding direction of the injection molding die. The result is a plastic product, wherein the shape and arrangement of the soft component can be tailored to functional requirements more flexibly.

Abstract: There are provided a needle-equipped syringe barrel and a needle-equipped syringe in which a needle is suitably fixed to a syringe nozzle, and a mold and a method for molding thereof. A metal needle 12 is integrally equipped to a synthetic resin syringe nozzle 113 by integral molding, an area where the needle 12 comes into contact with the nozzle 113 being in a range of 11 to 50 mm2. A needle-equipped syringe barrel 1 in which a metal needle 12 is integrally equipped to a synthetic resin syringe nozzle 113 by integral molding, height of a needle end 122 extruded toward an inner hollow portion thereof opposite to a needle head 121 being in a range of 0.4 to 11 mm.

Abstract: This combined container-syringe comprising a glass cylinder which can be pre-filled with a drug, an cylindrical tip provided at an exterior portion of an anterior end of the syringe, and a finger grip provided at an exterior portion of an posterior end of the syringe, and a drug is pre-filled therein and sealed by a stopper. Furthermore, an impact absorption part is provided around the exterior portion of the cylindrical tip and a diameter of the impact absorption part is greater than an outer diameter of a fitting part to the cylinder of the cylindrical tip.

Abstract: A medical device for use with a fluid transfer device includes a hub having an open proximal end with a frusto-conically-shaped cavity therein, a distal end and a passageway therethrough. The cavity is part of the passageway. A release element in the passageway of the hub is positioned to block fluid-tight engagement of the frusto-conically-shaped tip with the cavity of the hub. Structure is provided to release at least part of the release element, upon application of a proximally directed force on the hub, to allow the abrupt fluid-tight engagement of the tip and the cavity in the hub.

Abstract: A device may include a first locking mechanism configured to connect a first end of the device to a needle, a second locking mechanism configured to connect a second end of the device to a syringe, a pressure transducer, a microprocessor and a light emitting diode. The pressure transducer may be configured to measure a first pressure at a first time and a second pressure at a second time. The microprocessor may be configured to receive the first pressure and the second pressure from the pressure transducer, determine a pressure difference between the first pressure and the second pressure, and determine a time difference between the first time and the second time. The light emitting diode may be configured to signal when the needle is properly situated based on the pressure difference and the time difference.

Abstract: A needle mounting system and methods for mounting a needle assembly on a needle mount are disclosed. The needle mounting system includes a needle hub having protrusions extending radially inward. A needle mount has a plurality of slots to receive the protrusions. The slots have a first portion that defines a passageway substantially parallel to a longitudinal axis of the needle mount and a second portion substantially perpendicular to the axis. The needle hub and mount provide a method wherein a needle assembly may be mounted on an injection device without completely rotating the needle hub relative to the needle mount.

Abstract: A fluid delivery device and system is operable to fluidly couple a pair of fluid delivery conduits. One embodiment includes a fluid delivery device sized to meet ANSI/AAMI ID54:1996(R) 2005 and not mate with ANSI/HIMA MD70.1 or ISO 594/1 and ISO 594/2 standards for intravenous ports and connectors to prevent accidental intravenous delivery of fluids intended for enteral delivery.

Abstract: Assembly of a needle (1) and a fluid supply device (7b), the needle (1) being provided with needle coupling means (2), the supply device (7b) being provided with a nozzle (9b), the needle coupling means (2) comprising a standardized construction with standardized internal dimensions according to the Luer standard, the needle coupling means (2) further comprising a projection (5), which renders fitting the needle (1) to a supply device with a nozzle (7a) arranged for cooperation with needle coupling means having standardized construction and dimensions according to the Luer standard impossible, the nozzle (7b) of the supply device (9b) being lengthened relative to a standardized nozzle (9a), such that the needle coupling means (2) with projection (5) can still be coupled to the lengthened nozzle (9b). The invention further relates to a needle (1), a syringe (7b), a method for performing an intraneural puncture and a method for preparing an insertion device for intraneural administration.

Abstract: Medical injectors are described herein. In some embodiments, an apparatus includes a medicament container, a needle assembly, a coupler, and a retainer. The medicament container has a distal end and a proximal end and is configured to contain a medicament. The coupler is configured to couple the needle assembly, which includes a needle and a hub, to the distal end of the medicament container. The retainer is configured to be coupled to the needle assembly and the medicament container. The retainer is configured to limit the movement of the needle assembly when the coupler fails to maintain the position of the needle assembly relative to the distal end of the medicament container.

Abstract: A syringe includes a needle assembly at least partially secured within a barrel of the syringe, the needle assembly including a needle stem, a resilient member biasing the needle stem toward a proximal end opening of the barrel, a needle holder connectable to the needle stem during assembly of the syringe and that is further securable to a needle, and a cap that is dimensioned to surround the needle secured to the needle holder and a portion of the needle holder during assembly of the needle holder with the needle stem.

Abstract: Apparatus and methods are provided to access bone marrow at various target areas. Such apparatus may include an intraosseous device operable to penetrate bone at a selected target area and a depth limiter operable to control depth of penetration of the intraosseous device into bone and associated bone marrow. A manual driver and a guide may be included to optimize optimum insertion of the intraosseous device at a selected insertion site on a sternum.

Abstract: A syringe includes a piston (16) that is slidably guided in a casing (10), and a needle (20) adapted to be withdrawn into the casing. The piston (16) and the needle (20) are connected by a coupling (22; 22?) which is adapted to assume three states: a releasable coupling state in which the needle (20) can be moved towards the front end of the casing (10) together with the piston (16), an uncoupled state in which the piston (16) can be moved back in the casing (20) separately from the needle (20), and a permanent coupling state in which the needle (20) can be withdrawn into the casing (10) by the piston (16).

Abstract: The invention relates to a system for injecting a fluid through or into the human skin, optionally by needle-free injection or by injection with a needle, with (i) an injection device (110) which includes an ampoule (112) with an ampoule body (114) forming a chamber for receiving the fluid to be injected; an ampoule piston (118) which is axially movable and sealingly guided in the chamber; an outlet (124) disposed at the distant end of the ampoule (112) for the fluid to be injected, wherein the ampoule (112) is rounded in the region of the outlet (124) and the rounded region forms a skin contact surface (126) for the needle-less injection through or into the human skin; and at least one first coupling element (128) of a coupling device which is arranged at the distal end of the ampoule (112) on the ampoule body (114) and configured for sealingly and reversibly attaching a needle attachment (150), and (ii) a needle attachment (150) with a cannula part (152) comprising a needle (156); and an adapter part

Abstract: A fluid connection for use between a reservoir and a cannula part of a medical device is provided. The fluid connection includes a tube of rigid material. The tube has a first end operably connected to the reservoir and a second end operably connected to the cannula part. The tube is operably attached to a surface plate of the medical device.

Abstract: The invention relates to an injection device which may or may not be equipped with a needle, comprising an injection nozzle and a tube which is intended to receive the active substance to be injected, whereby the tube is fixed to the nozzle using connecting means. The inventive device is characterized in that the aforementioned connecting means comprise at least three identical bosses which are solidly connected to the nozzle. Moreover, each of said bosses comprises an inclined part which terminates in a flange, said flange co-operating with a collar which is formed on the tube and acts as a backstop for the tube when the latter is connected to the nozzle.

Abstract: An adapter and syringe assembly is described in this application which includes a syringe and an adapter for anti-rotation, removal resistant connection to the syringe. The syringe has a body defining a fluid reservoir, a plunger assembly including a plunger head dimensioned to be slidably received within the reservoir, a fluid outlet, and a first coupling member. The adapter has a body portion defining a fluid channel, a collar portion, and a second coupling member configured to engage the first coupling member to secure the adapter to the syringe. The syringe includes at least one rib and a surface of the collar includes at least one protrusion. The at least one rib and the at least one protrusion are configured and positioned to interact to facilitate attachment of the adapter to the syringe but to resist detachment of the oral dose tip adapter from the syringe. The body portion of the adapter may define an oral dose tip or a needle hub assembly.

Abstract: A cannula (100) for an injection device, the cannula defining a tapered end part termination (102) in a distal end for insertion into the tissue of a living being, wherein the hardness of the cannula decreases in the direction of the distal end. A tool (104) for providing a tapered portion of a cannula, the tool defining a tapered cavity (106). A method of manufacturing a cannula defining a tapered end part, by forcing a distal end of an tubular element into a tapered cavity of a tool.

Abstract: A needle and hub assembly for an automatic injector and a method for making the needle and hub assembly. The needle and hub assembly comprises a cap or skirt, a forward surface of which is interposed between and reinforced by first and second engaged hub portions. A needle is received in a contiguous channel formed in the two hub portions. The method for making the assembly comprises molding the first hub portion, placing the cap over the first hub portion, inserting the needle into a channel in the first hub portion, and then overmolding or otherwise forming the second hub portion on the exterior of the cap such that it is engaged with the first hub portion. An assembly created by this “two-shot” process can be used to seal a relatively large opening, and supports the needle more effectively than a conventional assembly.

Abstract: A safety disposable syringe includes: a barrel; a plunger extending into the barrel; a piston mounted on the plunger and formed with a first engaging member; and a needle seat extending fittingly into the barrel and having a front end disposed outwardly of the barrel, and a rear end disposed in the barrel and having a rear end face facing toward the piston. The needle seat defines a fluid passage extending through the rear end face of the rear end of the needle seat. The needle seat is formed with a second engaging member. The fluid passage has a terminating end terminated at the rear end face of the rear end of the needle seat. The second engaging member has a terminating end terminated at the rear end face of the rear end of the needle seat and spaced apart from the first terminating end of the fluid passage.

Abstract: A medical delivery or extraction system comprising a needle assembly having a needle and a hub coupled to the needle. The hub includes a verification region or component. A syringe body rotatably coupled to the needle assembly includes at least one indicia on the outer surface thereof. When the indicia corresponds to the verification region, the user is provided with an indication that the se body is properly connected to the needle assembly.

Abstract: A mechanical operated injection device which has the size of a credit card. The very compact size is obtained by using a flexible reservoir (90) containing the drug to be delivered and a suction pump (60, 70, 80) for pumping the liquid drug from the flexible reservoir to the body of the user. The pump is driven in cycles by a spring assembly which is energized by the user when setting the dose to be injected. The injection device is further connected to a needle assembly by a snap mechanism only requiring a 90 degree rotation of the injection needle assembly in order to release the injection needle assembly from the injection device.

Abstract: A pen needle assembly having a hub with an increased surface area that contacts a patient's skin is provided. The increased contact area of the hub with the patient's skin during injection of a cannula decreases the pressure exerted against the patient's skin, thereby increasing the comfort of the patient. A bonding adhesive is disposed on an outer surface of the hub, thereby decreasing the required curing time of the adhesive. Additionally, the increased contact area, between the cannula adhesive and hub increases the strength of the bond therebetween.

Abstract: This invention relates to a syringe barrel (1) which, at least in part, has a cylindrical portion (2), whereby a needle (4) is fixed in an axial end portion (3) of the cylindrical portion (2), whereby the needle (4) is arranged in a receiving channel (5) in the axial end portion (3) of the cylindrical portion (2) and whereby the needle (4) is fixed in the receiving channel (5) in at least one fixing area (6, 7) using material of the cylindrical portion (2) which, after melting, bonds around the circumference of the needle (4), seals it and forms a bond between the cylindrical portion (2) and the needle (4). In order to achieve that the needle is fixed more reliably in the syringe barrel and to minimize the dead space volume for drug in the syringe barrel as, well as to improve sterilization, the invention provides that there are at least two fixing areas (6, 7) arranged at an axial distance (a) which fix the needle (4) in the axial end portion (3) of the cylindrical portion (2).

Abstract: Embodiments of a medical hand-grip element for injection of a substance from an ampoule, comprise a drive device for driving the ampoule and the injection needle, a delivery device for delivering the medicinal substance out of the ampoule and a coupling device for rotationally fixed coupling of the ampoule with the injection needle and for preventing a relative movement between the ampoule and the injection needle is disclosed. Embodiments of injection systems, injection units, injection needles and handling methods for them are also disclosed in which the risk of injury and contamination for the user is reduced by providing approaches for covering the ends of the cannulas of the injection needles during a number of handling steps.

Abstract: The present invention relates to a new type of cannula for syringes or injection devices. The cannula according to the present invention comprises a substantially hard portion and a ductile portion axially arranged therewith, where the substantially hard portion comprises a tip which is adapted to penetrate the skin of a patient. The present invention also relates to an injection device comprising such cannula. The present invention further relates to a method for manufacturing a cannula for an injection device, the method comprising the steps of 1): providing a cannula of a hardened material, the cannula comprising a tip portion, and 2): exposing a part of the cannula other than the tip portion to heat in order to form a ductile portion.

Abstract: Certain embodiments of the present invention include a male luer connector having a valve arrangement for keeping a passage that extends through the male luer connector closed when the male luer connector is not attached to a corresponding female luer connector. This passage of the male luer connector may opened by connecting the male luer connector to a female luer connector. The valve arrangement of the male luer connector may include a movable sealing element arranged around a central fluid conduit. In some embodiments, the male luer connector may include a filter that is permeable to gas, but substantially impermeable to liquid, thus allowing gas to be purged from the male luer connector while substantially preventing liquid from leaking from the connector at least when the male luer connector is not connected to a female luer connector.

Abstract: An infusion medium delivery system, device and method for delivering an infusion medium to a patient-user, includes a needle inserter device and method for inserting a needle and/or cannula into a patient-user to convey the infusion medium to the patient-user. The needle inserter device and method operate to insert a needle and cannula into a patient-user's skin and automatically withdraw the needle from the patient-user, leaving the cannula in place and in fluid flow communication with a reservoir. The delivery device may include a base portion and a durable portion connectable to the base portion, and wherein the base portion can be separated from the durable portion and disposed of after one or more specified number of uses. The base portion supports the reservoir and the needle inserter device, while the durable portion supports a drive device for selectively driving the infusion medium out of the reservoir and into the needle and/or cannula.

Abstract: A system for removing or tranferring a pharmaceutical product from a reservoir including an ampoule with a moveable piston therein and an adaptor which includes, generally along a longitudinal axis, a reservoir connector and an ampoule connector for coupling to the ampoule, wherein the ampoule connector includes at least one locking mechanism which, in a side wall, includes a resilient element generally corresponding to a portion of the side wall which extends along the periphery thereof and, at opposing ends, merges with the side wall.

Abstract: The injection device (10) comprises: a needle support (24); an injection needle (22) which is fixedly joined to the needle support (24) and which has a free end (28) which is arranged with spacing from the needle support (24); and a mechanism (50) for extracting the injection needle (22), comprising a base (52) and a pushing member (54) which can be moved relative to the base (52) between a position in which the needle (22) is used and a position in which the needle (22) is extracted. The base (52) is permanently connected to the needle support (24) and can be moved relative to the needle support (24) between an inactive position of the extraction mechanism (50) and an active position of the extraction mechanism (50). Use for injection of doses of medication.

Abstract: A syringe for an injector that has at its nozzle end a connection to the fluid delivery tubing that prevents, reduces, or eliminates fluid leaks, by virtue of a ridge on the external surfaces of the connector which engage to tubing. Furthermore, the syringe and injector are configured to permit the syringe to be oriented in more than one manner on the injector.

Abstract: A syringe for an injector that has at its nozzle end a connection to the fluid delivery tubing that prevents, reduces, or eliminates fluid leaks, by virtue of a ridge on the external surfaces of the connector which engage to tubing. Furthermore, the syringe and injector are configured to permit the syringe to be oriented in more than one manner on the injector.

Abstract: A luer-lock type cylindrical tip of a syringe has a luer tip of which a center portion is fitted with an injection needle and a luer-lock portion which is disposed outside the luer tip with a gap therebetween and which has a lock screw disposed therein. The lock screw is formed as a trapezoid screw having a root diameter set to the range of 8.0 mm±0.1 mm, an inner diameter set to the range greater than or equal to 6.6 mm and smaller than 6.8 mm, and a pitch set to the range greater than 2.5 mm and smaller than or equal to 2.8 mm. Accordingly, it is possible to reliably prevent the injection needle from being loosened or pulled out in the handling process. It is also possible to easily replace the syringe needle with another one having different size at the time of use.

Abstract: Lockable enteral feeding adapters are disclosed. A female adapter has a female tapered cavity having a circular sidewall, a tapered inner surface and an external surface. The female tapered cavity has an external opening at a proximal end thereof that does not form a liquid-tight connection with a standard male Luer conical fitting. One or more threads are disposed on the external surface of the tapered cavity. A male adapter has a male tapered cone that is sized to mate with the female tapered cavity. The male tapered cone is too large to form an effective connection with a standard female Luer conical fitting. An internally threaded locking ring is mounted around the male tapered cone. Rotation of the locking ring relative to the one or more threads locks the male adapter to the corresponding female adapter to prevent unintentional disengagement of the male and female adapters.