Abstract: A syringe includes a gasket, a barrel, and a plunger. The plunger includes a helical rib provided on an outer surface of a head portion, and the gasket comprises a helical valley portion for threadedly engaging with the helical rib, a plunger-retaining annular rib, and an accommodation portion for a part of the plunger at which the helical rib is formed. The annular rib comprises a rib absent portion for guiding, to the accommodation portion, the helical rib reaching the annular rib as threaded engagement is advanced between the plunger and the gasket. The helical rib comprises an entrance-restricting terminal end portion for restricting the entrance of the helical rib into the rib absent portion after the part of the plunger 4 at which the helical rib is formed is stored in the accommodation portion 32 of the gasket.

Abstract: The present invention relates to a drug delivery device for dispensing a dose of a medicament, comprising: a first housing component, and a second housing component welded with the first housing component by at least one induction heatable component.

Abstract: Described are applicators having a plunger with a plunger body, and a tube having a receptacle end for insertion of the plunger, and a connector end formed of flexible plastic material having a bull-nose shape. As an example, the plunger body can include a viewing window. As another example, the connector end has an internal surface that is free of threaded connectors. The connector end can also have a snap-fit coupling design to couple to a snap-fit nozzle. The snap-fit nozzle can be connected to an adaptor cap or an administering tool of a metering dispenser.

Abstract: A valved container assembly (10) comprising a container (12) for containing a fluid, the container (12) extending in an axial direction and having at least one venting opening (12a) at a front end and at least one dispensing opening (12b). The valved container assembly (10) further comprising a valve (14) disposed in the container (12) and a plunger element (20) disposed axially rearward of the valve (14), the plunger element (20) being axially moveable in the container (12) and defining a first volume (22) in the container (12) between the plunger element (20) and the valve (14), where the plunger element (20) is configured to increase the pressure of a fluid in the first volume (22) upon axial movement relative to the valve (14).

Abstract: An apparatus for bone cement delivery comprising, a proximal nozzle having a proximal end configured to couple to a bone cement source and a first distal delivery end having a circular cross section, a distal nozzle having a proximal end configured to slideably couple to the first distal delivery end and a second distal delivery end having an oblong cross section, that can be slanted, and an attachment mechanism configured to slideably retain the distal nozzle to the proximal nozzle.

Abstract: A system and method for sharing and absorbing energy between body parts. In one particular aspect, the system facilitates absorbing energy between members forming a joint such as between articulating bones. Springs may be used to transfer loads across a joint, and can be used in conjunction with pistons and sleeves.

Abstract: A mechanical driver comprising a wedge shaped member operatively coupled to a shape memory alloy such that the shape memory alloy is able to displace the wedge shaped member in an essentially linear direction. The wedge shaped member is in constant contact with a lever arranged so that it can rotate about a fixed pivot point. A piston is arranged such that it is constant contact with the lever at a point between the pivot point of the lever and the contact point between the lever and the wedge shaped member. Return springs are provided to return the piston, lever and wedge shaped member to their respective start positions. Activation of the shape memory alloy displaces the wedge shaped member along its linear direction and this causes the lever to be deflected about its pivot point and the piston to be deflected in an essentially linear direction that is perpendicular to the linear direction of travel of the wedge shaped member.

Abstract: A closure piece for a powder syringe has a main body and a sealing element. The sealing element is disposed on the main body such that it rests in a sealing manner against a distal opening of a powder syringe when the closure piece is disposed in the closing position thereof on the powder syringe. A channel passes through the main body and the sealing element and has a proximal and a distal end. The closure piece includes a retaining element configured and/or disposed such that, prior to an activation of the powder syringe, any powder from a chamber of the powder syringe is at least substantially prevented from penetrating the channel when the closure piece is disposed in the closing position thereof on the powder syringe.

Abstract: A purgative product is provided which includes a gelatinous purgative and a dispenser for dispensing the gelatinous purgative. The dispenser includes a container with an open end and an opening on the opposite end. A plunger and sealing element can be inserted into the container, such that when the plunger is pushed towards the opening in the container, the gelatinous purgative between the sealing element and the opening of the container is pushed towards and out of the opening for ingestion by a user.

Abstract: The present invention aims to provide a pre-filled syringe coated with a resin film capable of reducing sliding resistance and preventing liquid leakage by a simple method. The present invention relates to a gasket for a pre-filled syringe, which has a sliding side surface that is coated with an inactive resin film and further cut to form a cut. The cut region is preferably between ring-shaped ribs on the sliding side surface, or in a ring-shaped rib on the sliding side surface.

Abstract: A plunger cover for use with a syringe includes a sealing portion adapted to form a seal with the syringe and a central portion adapted to contact fluid within the syringe. The central portion can, for example, be more rigid than the sealing portion. The sealing portion and the central portion are connected in an overmolding process. The sealing portion can, for example, be formed from a thermoplastic elastomer or a thermoplastic polyurethane. The central portion can, for example, be formed from polypropylene, acrylonitrile butadiene styrene, polycarbonate or copolymers thereof.

Abstract: A dispenser assembly is provided that has a rigid plunger with a ring-shaped protrusion. The protrusion contacts the inner wall of a flexible barrel to form a liquid-tight seal. Advantageously, the dispenser assembly does not require additional components, such as o-rings, and can be fabricated by injection molding techniques.

Abstract: When a laminated gasket product is demolded from a mold in production thereof by a conventional production process, the gasket product is rubbed against the mold and, therefore, minute scratches are formed on a surface of the gasket product. The minute scratches may impair the reliable sealability of a liquid drug. A method for producing a gasket (13) for use in a prefilled syringe (10) includes the steps of: preparing a gasket forming mold; molding a gasket (13) in the mold, the gasket having a surface laminated with a lamination film (15) and including a circumferential surface portion (17); demolding the gasket (13) from the mold, and then simultaneously forming a groove (22) and a projection (24) each extending circumferentially of the gasket in a portion of the lamination film (15) present in the circumferential surface portion (17) of the gasket.

Abstract: A light for use with an oral anesthesia syringe that is received into a passageway of a barrel of the light. When the syringe is received into a first opening in a proximal end of the barrel's passageway, the needle of the syringe extends through a second opening at the proximal end of the barrel. At least one lamp and preferably a plurality of lamps at the distal end of the barrel illuminate the needle and the interior of a patient's mouth. A battery is included in the light for powering the lamps. The insertion of the syringe into the barrel may a pair of contacts to cause the battery to power the lamps, or the battery may be removed to remove power from the lamps. A disposable integrated syringe and light combination is also described.

Abstract: A flexible pneumatic actuator assembly includes a front base, a rear base, a length of flexible tubing having a front end secured to the front base and a rear end secured to the rear base, a flexible piston rod extending through an aperture in the front base and into an internal volume of the length of flexible tubing, and a piston secured to the piston rod within the internal volume of the length of flexible tubing. The piston is configured to maintain an air tight seal against an inner wall of the tubing upon bending of the tubing in a region including the piston.

Abstract: A plunger for advancing a substance in a syringe toward a dispensing nozzle. The plunger has a plunger rod and a seal and being formed of a plastic composition. The plastic composition includes a polymer and a filler which is non-uniformly distributed within the polymer to provide the plunger rod and the seal with different mechanical properties depending on the filler content in the portions of the plastic composition plunger forming the rod and the seal. The invention preferably provides a dental syringe which can be conveniently used, and further helps minimizing costs in the manufacturing of the dental syringe.

Abstract: The present invention relates to a needle including: a needle hub having a needle with a distal tip; a ring for protecting the needle in one of a storage condition or end-of-use condition of the needle assembly; a foldable element for moving the protective ring; a biasing element for urging the foldable element from its folded configuration to an unfolded configuration; a retainer for maintaining the biasing element in an intermediate stressed state at least in the storage condition of the needle assembly; and a deactivating element for releasing said retainer at least at the end of the injection step. The invention also relates to an injection device including such a needle assembly and a container.

Abstract: Provided are surface-modified elastic bodies (e.g. gasket for syringes) each obtained by a surface modification method for modifying a rubber vulcanizate or a thermoplastic elastomer, the method being capable of providing surfaces with excellent properties such as excellent sliding properties, excellent durability against repeated sliding motion, and excellent performance in preventing adsorption and aggregation of proteins, and allowing the surfaces to maintain the sealing properties, without using expensive self-lubricating plastics. The invention relates to surface-modified elastic bodies (e.g.

Abstract: The invention relates to a medical drug delivery apparatus which comprises a cartridge (1) being closed at one end by a membrane (12) and at the opposite end by a movable piston (15). A piston rod foot (1) is provided for transferring the pressure from the piston rod (20) of the drug delivery apparatus and onto the piston (15). The piston rod foot (1) comprises a center part (2) abutting the piston rod (20) and an outer part (3) which center part (2) and outer part (3) are coupled together such that the two (2, 3) can be moved relative to one another, yet remain coupled to each other, when a force above a certain threshold limit is applied to the outer part (3).

Abstract: A personal hygiene device may be provided. An exemplary personal hygiene device may include an elongated member having a handle section, a spacing section, and an attachment section. The sections of the personal hygiene device may be integrally formed or may be rotatably connected. A variety of attachments may be affixed to the attachment section of the personal hygiene device.

Abstract: A stopper adapted for attachment with a plunger rod for use within a syringe barrel is disclosed. The stopper includes a main body defining an open rearward end and a closed front end. The open rearward end is adapted to receive a front forward end attachment portion of the plunger rod. The stopper also includes a core member integrally formed with said main body adjacent the closed front end. The core member includes a nose portion having a profile adapted to create a positive seal with an outlet opening of such syringe barrel.

Abstract: A guide tip introducer is provided as a compatible attachment for a wide range endoscopic staplers of different makes and models. The guide tip introducer mounts to the anvil of an existing endoscopic stapler in order to facilitate the positioning of the stapler beneath a target structure, reducing the amount tissue needing to be dissected. The guide tip introducer is easy to attach and remove from the anvil tip through its particular shape and through the use of a magnetic attachment strip. The guide tip introducer is constructed from smooth semi-rigid material enabling guidance of the endoscopic stapler while minimizing damage around target structures. The guide tip introducer is fashioned using commonly available material found in most standard operating rooms.

Abstract: A stopper adapted for attachment with a plunger rod for use within a syringe barrel is disclosed. The stopper includes a main body defining an open rearward end and a closed front end. The open rearward end is adapted to receive a front forward end attachment portion of the plunger rod. The stopper also includes a core member integrally formed with the main body adjacent the closed front end. The core member includes a nose portion having a conical tip configured for entering an outlet opening of the syringe barrel. The closed front end of the stopper has a profile configured to cooperate with an internal surface of the syringe barrel wall to prevent reflux and reduce dead space within the barrel.

Abstract: A syringe configured to deliver viscous compositions is described, in which the syringe may include an elongate chamber having side port(s) extending therefrom. Various viscous compositions may be inserted through the side port(s) and into the elongate chamber, which may further house a plunger for ejecting the composition. One portion of the plunger may interact with a restricted opening on the chamber to inhibit removal of the plunger from the chamber; and another portion of the plunger may have a locking structure, which cooperates with a locking structure on the chamber to selectively fix the plunger with respect to the chamber. The plunger may also be fully slidable within the chamber when the locking structures of the plunger and the elongate chamber are not engaged. Related methods of using the aforementioned syringe, as well as kits including further instruments that interact with the syringe, are also disclosed.

Abstract: A gasket of a prefilled syringe is disclosed, which includes a gasket body and a plunger-mounting member. The gasket body has a plunger-mounting member removal prevention rib formed on an inner surface of the gasket body. The plunger-mounting member has an outer projected part, which engages the plunger-mounting member removal prevention rib of the gasket body, a plurality of elastically deformable inner projected parts which are extended obliquely from an inner portion of a proximal side of the plunger-mounting member toward a central and distal end of the plunger-mounting member, and plunger removal prevention locking parts formed at free ends of the inner projected parts. The plunger has a distal end part capable of entering the plunger-mounting member and an outer projection part which engages the plunger removal prevention locking parts of the plunger-mounting member.

Abstract: Apparatus and methods for inserting a medicament into a body cavity are described. The apparatus comprises an elongate tube with a plunger rod therein. The plunger rod has at least one projection which cooperatively interacts or engages with at least one discontinuity on the inside of the elongate tube so that proximal movement of the plunger rod with respect to the elongate tube expels the medicament into the body cavity.

Abstract: Injector device for introducing biocompatible material into deep anatomical areas, positioned at the spine, the pelvis, the rachis and other similar locations, including a cannulated body and a piston for delivering the biological material equipped with a shaft, in which the cannulated body has a distal end, facing towards a user, and a proximal end, facing towards the anatomical area, in which the cannulated body includes a rectilinear section, equipped with a longitudinal axis, an inner lumen, in which the proximal end comprises an extrusion mouth of the biological material, in which the cannulated body also includes an end section that is curved and/or bent at the proximal end and in which the cannulated body is integral and rigid.

Abstract: Ambulatory infusion pumps, pump assemblies, cartridges, baseplates, cannulas, insertion tools, and related components as well as combinations thereof and related methods.

Abstract: A plunger for use with a syringe has a plunger body with a proximal end, a distal end, and a circumferential sidewall extending between the proximal end and the distal end along a plunger longitudinal axis. The plunger further has at least one resiliently deflectable retaining member having a first segment attached to the plunger body and a second segment protruding toward the distal end of the plunger body and deflectable relative to the first segment. The plunger further has at least one actuation member associated with the at least one resiliently deflectable retaining member. The at least one actuation member interacts with a piston to deflect the at least one resiliently deflectable retaining member upon rotation of the plunger relative to the piston. The plunger is engagable with the piston regardless of a rotational orientation of the piston relative to the plunger.

Abstract: Some embodiments of the invention include a cannulated bone screw including a screw shaft with screw thread, a proximal end, a distal end, and a channel extending through the screw shaft. Some embodiments include an inlet port coupled to the channel and extending through the distal end, and an outlet port coupled to the channel by a curved or angled channel region. In some embodiments, the outlet port extends through the screw shaft and exits a side that is substantially parallel to the shaft longitudinal axis. In some embodiments, the cannulated bone screw can form part of a therapy delivery device. In some embodiments, the outlet port extends through a portion of the screw shaft and exits at the distal end. In some embodiments, the valve includes a plunger with a plunger rod within the screw shaft, and a valve seat for control of fluid flow out of the screw.

Abstract: The present inserter, system and method suitable for inserting the IOL may include a lumen having an outer wall and an inner wall, the inner wall including at least one hollowed portion; a plunger for advancing along the lumen, the plunger having a plunger shaft extending into the open proximal end and terminating at a distal plunger end; a reservoir within the lumen between the distal plunger end and the distal insertion tip, the reservoir having an opening that is misaligned with the at least one hollowed portion prior to advancing of the plunger, and that is aligned with the at least one hollowed portion during advancing of the plunger; and a viscous fluid within the lumen, wherein the viscous fluid flows along a bypass formed of the at least one hollowed portion and the opening and into said reservoir, thereby decreasing an inserting displacement force effected at the distal insertion tip from a plunger displacement force applied to said plunger.

Abstract: An enteral feeding set for an enteral feeding pump having a control system for controlling operation of the pump to supply nutrient liquid to a patient through the enteral feeding set loaded in the pump, a source of electromagnetic radiation operatively connected to the control system of the pump for emitting electromagnetic radiation, and an electromagnetic radiation detector operatively connected to the control system for receiving the electromagnetic radiation and providing an indication to the control system that the feeding set is properly loaded in the pump. The feeding set includes a conduit for carrying nutrient liquid to a patient. A safety interlock includes a light pipe for providing a passage of the electromagnetic radiation from the source of electromagnetic radiation to the electromagnetic radiation detector only when the safety interlock is loaded in the pump such that nutrient liquid flow to the patient is regulated by the pump.

Abstract: Ampoules for dispensing flowable substances and metering systems incorporating the same are described herein. An ampoule for a flowable substance includes an ampoule body comprising an interior space for receiving the flowable substance and an inner circumferential surface having a guide region and a sealing region. A piston may be disposed in the interior space of the ampoule body such that the piston is slidably displaceable along a direction of displacement. The piston includes at least one sealing element for forming a seal with the inner circumferential surface in a contact zone on the outer circumference of the sealing element. The sealing element has a first compression state when the contact zone is in the guide region and a second compression state when the contact zone is in the sealing region. A second blocking device prevents movement of the contact zone from the sealing region to the guide region.

Abstract: The invention relates to a medical drug delivery apparatus which comprises a cartridge (1) being closed at one end by a membrane (12) and at the opposite end by a movable piston (15). A piston rod foot (1) is provided for transferring the pressure from the piston rod (20) of the drug delivery apparatus and onto the piston (15). The piston rod foot (1) comprises a center part (2) abutting the piston rod (20) and an outer part (3) which center part (2) and outer part (3) are releasable coupled together such that the two (2, 3) can be released when a force above a certain threshold limit is applied to the outer part (3).

Abstract: A piston rod for an injection device, including first and second legs, each leg being foldable on itself and including a proximal region. The piston rod is capable of transitioning from a folded position to an unfolded position, and includes a mechanism for coupling the proximal regions of the legs when the piston rod is in the unfolded position. The invention also relates to a kit which includes the piston rod.

Abstract: A syringe dispenser may include a plunger having an outer threading, a barrel adapted to contain liquid or semisolid fluid or any other material to be dispensed and to receive the plunger, the plunger being movably attached to the barrel, and a nut having an inner threading. The nut may at least partly enclose the plunger and the barrel, such that the inner threading of the nut engages with the outer threading of the plunger. A stand, an application plate, and a method of dispensing a controlled and measurable amount of liquid or semisolid fluid from a syringe dispenser are also disclosed.

Abstract: A method including receiving input identifying a panel associated with a software application, the software application including a Graphical User Interface (GUI) and the panel comprising a discrete area of the GUI within which to group software objects to control the software application. Additionally, the method includes processing the input to identify an object of the software objects to be included in the panel. Further, the method includes generating a panel definition including the object and dimensions of the panel, the panel definition to be processed to render the GUI.

Abstract: [Objective]: To provide a low-cost piston member for syringes, with sufficiently satisfying slidability and sealing performance such as non-leakage and vapor impermeability, without size limitation, from small to large diameters. [Solution]: A piston member 10, such as a gasket 10a or a middle piston 10b, is formed by cut-processing a PTFE block and is press-fitted in a syringe barrel 1 to be slidably used. Protruded rims 13 are formed at least in a circumferential direction of perimeter of a slide-contact surface 11a adjacent to a liquid contact surface 14 of a drug solution 30, in a slide-contact surface 11 of the piston member 10, slidingly making contact with an inner circumferential surface 2 of the syringe barrel 1. After cut-processing, pitch P of the protruded rims 13 is 50 ?m or smaller, and press-fit margin T to the syringe barrel 1 is 10 to 150 ?m.

Abstract: A process for lyophilizing a solution of an active agent in a container is provided. Solution of active agent is deposited into a container, the container is covered with a covering plate and placed inside a lyophilizing apparatus. Lyophilization can be conducted to dryness by radiation, convection or both. Also provided is a device made by this process, an active agent-plastic administration device (e.g., a syringe), containing an active agent in the form of lyophilized cake, and an array of such administration devices.

Abstract: A piston rod for a drug delivery device comprises a main body and an engagement means for engaging the piston rod with a part of the drug delivery device. The engagement means are retractable relatively the main body for enabling a disengagement of the engagement means from the part of the drug delivery device.

Abstract: An injection device for injecting a substance from an ampoule inserted in the device, the device including one or more of the following components: an internal thread for engaging a threaded rod, the internal thread including several contact faces enabling the use of a different threaded rods, a real-time display for displaying a quantity of a substance, e.g., the quantity to be injected or dispensed, the quantity available for dispensing or the quantity dispensed, a mechanical lock for locking the device prior to inserting the ampoule, and a claw lock for preventing use of the injection device.

Abstract: The invention relates to an injection device comprising a housing, a container holder arranged within said housing, the container holder being configured for accommodating a medicament container having a needle attached to one end thereof and a stopper sealingly and slidable arranged inside the medicament container at the other end thereof, a plunger rod being arranged with a proximal end thereof contactable with said stopper, a first and a second energy accumulating member arranged in the interior of the housing of the injection device and adapted to accumulate and store energy, plunger drive means being slidable arranged in relation to the plunger rod, being rotationally locked to the plunger rod and being rotatable in relation to the housing, the plunger drive means being operationally associated with the first energy accumulating member, a container driver arranged for being connectable to the container holder and threadedly connected to the plunger rod, the container driver being operationally associated

Abstract: A composition of a bone repair mixture has a quantity of allograft particulate bone having a bone particle distribution of particle sizes less than 700 micron and a quantity of biologic carrier material intermixed with the particulate bone. The biologic carrier material is one of fascia, deep fascia or a fascia mixture. Preferably, the carrier material is exclusively fascia lata.

Abstract: The present invention relates to a drug delivery device for dispensing a dose of a medicament, comprising: a first housing component, and a second housing component welded with the first housing component by means of at least one induction heatable component.

Abstract: A syringe-assist device including a housing portion, an actuator portion, and a syringe-supporting member. The housing portion includes body defining an axial passage. The actuator portion is connected to and is partially disposed within the axial passage of the body. The syringe-supporting member is movably-disposed within the axial passage. The syringe-supporting member fluidly separates the axial passage into a first, proximal passage portion and a second, distal passage portion. The actuator portion is movably-disposed within the second, distal passage portion of the axial passage. The syringe-supporting member defines a fluid-flow passage that fluidly-connects the first, proximal passage portion of the axial passage to the second, distal passage portion of the axial passage. A method is also disclosed.

Abstract: Pistons for a syringe and syringe systems are disclosed. The pistons may include a base with a first end, a second end opposite the first end, and a side portion extending between the first end and the second end. The piston may also include at least one engagement portion extending around the circumference of the side portion of the base. Another embodiment of the plunger head may include a proximal end, a distal end opposite the proximal end, and an intermediate portion connecting the proximal end and the distal end. The intermediate portion is tapered from the proximal end to the distal end. The syringe system includes a piston and a plunger rod. The plunger rod may include a first end and a second end with the first end pressingly contacting the distal end of the piston.

Abstract: The invention provides a syringe for use in an ophthalmic injection. The syringe comprises a body, a stopper and a plunger. The body comprises an outlet at an outlet end and the stopper is arranged within the body such that a front surface of the stopper and the body define a variable volume chamber from which a fluid can be expelled though the outlet. The plunger comprises a plunger contact surface at a first end and a rod extends between the plunger contact surface and a rear portion. The plunger contact surface is arranged to contact the stopper but not couple thereto, such that the plunger can be used to force the stopper towards the outlet end of the body, reducing the volume of the variable volume chamber, but not to move the stopper away from the outlet end.

Abstract: Methods for producing a composite bone graft material that can regenerate bony defects in the body are provided. Also, methods, kits and delivery systems for a minimally invasive delivery of a composition for regenerating bone at or near the site of a bony defect that include, the composition for regenerating bone comprising collagen and bioactive glass are provided.

Abstract: The present invention provides pharmaceutical formulations comprising a human antibody that specifically binds to human interleukin-4 receptor (hIL-4R). The formulations may contain, in addition to an anti-hIL-4R antibody, at least one amino acid, at least one sugar, or at least one non-ionic surfactant. The pharmaceutical formulations of the present invention exhibit a substantial degree of antibody stability after storage for several months.

Abstract: An injection device includes a housing for receiving a syringe or cartridge for containing a medicament; a rotary driveshaft mounted for rotation relative to the housing; and an elongate coiled torsion spring having respective formations at opposite ends thereof, with a first formation being anchored in a seat on the rotary drive shaft and a second formation being anchored in a seat on a reaction component. In use relative rotation of the rotary driveshaft and the reaction component in one angular direction strains the torsion drive spring, and release of the strained torsion drive spring causes expression of medicament from the syringe or cartridge. The torsion spring is longitudinally resiliently compressible between its end formations whereby during assembly of the injection device, the torsion spring may be longitudinally compressed and then rotated, thereby urging the end formations of the torsion drive spring into engagement with the respective seats.