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| Number | Title | Issue Date |
| 8167850 | Cylinder/piston unit with at least three sealing elements A cylinder/piston unit is disclosed for pre-fill, storage and release when desired of an active substance, such as a medicament. The cylinder/piston unit is provided with a cylinder and with a piston which is guided therein and which is sealed off in a sterile manne... | 05/01/2012 |
| 7749202 | Dual material plunger tip for use with a syringe A plunger tip for being located on a distal end of a syringe plunger and for sliding sealed engagement with an interior surface of a syringe barrel includes a core constructed of a generally rigid material. The core has a first end for being secured to the plunger, ... | 07/06/2010 |
| 7727202 | Multi-component piston stopper A piston stopper for a medicine injector, wherein the stopper has a stopper body with a mesh section and at least one sealing element positioned at least partly around the circumference of the stopper body, wherein at least one of the sealing element and mesh sectio... | 06/01/2010 |
| 7604618 | High pressure injection syringe A pressure injection syringe with an actuator that includes a plunger for pressurizing viscous fluid material within a chamber. The plunger distal tip includes a high pressure seal defined by a seal member within a seal seat. The high pressure seal is viscoselective... | 10/20/2009 |
| 7331942 | Flush syringe having anti-reflux stopper 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 including a distal wall with an elongate tip extending distally therefrom having a passageway therethrough in flui... | 02/19/2008 |
| 7320680 | Single-use syringe A single-use syringe includes a barrel having front and rear passageways and a shoulder disposed there between, a plunger movable in the rear passageway, a carrier having a tail portion extending from a front end wall of the plunger, and pushing and retained regions... | 01/22/2008 |
| 7207152 | Method for handling, labeling and filling syringes An inventive method, system and apparatus are provided for syringe handling, and more particularly, for syringe labeling, filling and capping operations. To facilitate syringe handling, an inventive apparatus includes a plurality of syringe bodies interconnected in ... | 04/24/2007 |
| 7195609 | Piston stopper for injection device, product container and injection device The invention relates to a piston stopper for an injection device, for injecting a medical or therapeutic product by axially advancing a piston stopper into a product container, wherein the piston stopper includes a stopper body and a stopper body holder detachably ... | 03/27/2007 |
| 7186242 | Localized lubrication of syringe barrels and stoppers A medical syringe assembly includes a first opening and a second opening at opposite ends of a tubular barrel having an inner wall. The inner wall includes an inner surface. A stopper having an engagement surface is slidably received in the tubular barrel and includ... | 03/06/2007 |
| 7186241 | Syringe with needle penetrable and laser resealable stopper A syringe and a reconstitution syringe are provided for the delivery of controlled doses of any of numerous different sterile substances, such as vaccines, medicaments, pharmaceutical preparations, cosmetics, and food products. A plunger of the syringe defines a res... | 03/06/2007 |
| 7182228 | Cartridge with connection for a pump-drive and fluid handling system In a cartridge for a fluid, as well as a system for handling a fluid using such a cartridge, the cartridge has a tank shaped as a cylinder with an opening to admit and discharge the fluid, as well as a piston that can be moved forward and/or back in the tank in orde... | 02/27/2007 |
| 7166089 | Plunger of a syringe A plunger of a syringe includes a shank partially movably received in a barrel of the syringe. The shank includes a first end having a thumb rest radially extending therefrom and a second end having a stub longitudinally extending from the shank. The stub includes a... | 01/23/2007 |
| 7111848 | Gasket and method of manufacturing the gasket A gasket is capable of providing an excellent slidabiity and holding its sealability without applying lubricant and a gasket that can prevent a resin film from being peeled off of a gasket body and prevent the generation of a molding defect such as pinholes. The gas... | 09/26/2006 |
| 7081107 | Syringe and prefilled syringe A syringe (and a prefilled syringe) of a structure with ventilation means allowing a pusher to be easily pushed or pulled in use, providing an excellent operability of discharging (injecting) chemicals, making it hard for foreign matter such as dirt and dust to ente... | 07/25/2006 |
| 7070581 | Dispenser for medicaments and method and apparatus for making same A dispenser assembly for liquid products comprising an elongated, generally cylindrical barrel of a predetermined internal cross-sectional diameter having a discharge opening at one end and open at its opposite end, an elongated, generally cylindrical hollow plunger... | 07/04/2006 |
| 6976349 | Method for filling and capping syringes An inventive method, system and apparatus are provided for syringe handling, and more particularly, for syringe labeling, filling and capping operations. To facilitate syringe handling, an inventive apparatus includes a plurality of syringe bodies interconnected in ... | 12/20/2005 |
| 6960195 | Metering receptacle A metering receptacle has an elongate hollow body which at one end has a closable exit opening, and which at the other end is closable by way of a plastic plunger stopper. The plunger stopper is at the same time longitudinally displaceable in the hollow body by way ... | 11/01/2005 |
| 6957522 | Method and system for labeling syringe bodies An inventive method, system and apparatus are provided for syringe handling, and more particularly, for syringe labeling, filling and capping operations. To facilitate syringe handling, an inventive apparatus includes a plurality of syringe bodies interconnected in ... | 10/25/2005 |
| 6942638 | Needleless injector and ampule system A needle-less injection system that uses an ampule with an elongated hollow body. The elongated hollow body including a nozzle and an aperture for accepting a plunger, the aperture for accepting a plunger extends from the second end towards the first end and is in f... | 09/13/2005 |
| 6915619 | Method for handling syringe bodies An inventive method, system and apparatus are provided for syringe handling, and more particularly, for syringe labeling, filling and capping operations. To facilitate syringe handling, an inventive apparatus includes a plurality of syringe bodies interconnected in ... | 07/12/2005 |
| 6916308 | High pressure injection syringe A pressure injection syringe (10) with an actuator (100) that includes a plunger (102) for pressurizing viscous fluid material within a chamber (14). The plunger distal tip (112) includes a high pressure seal (110) defined b... | 07/12/2005 |
| 6790197 | Single use syringe and plunger rod locking device therefor A single use syringe and a plunger rod locking device for such a syringe are provided. The locking device and plunger rod include features that cause the plunger rod to be locked with respect to the syringe barrel upon completion of an injection stroke. A cutting me... | 09/14/2004 |
| 6764469 | Color-coded medical dosing container A syringe including a barrel for retaining fluid and having a dispensing port for permitting fluid flow therethrough. A plunger is received within the barrel and is axially moveable relative thereto for controlling fluid flow through the dispensing port. A dosing in... | 07/20/2004 |
| 6761707 | Safety syringe having needle holder capable of fixing secured and easy to drawback A safety syringe comprises a barrel, which has a body forming a receiving hole, a stop portion in the receiving hole. A needle holder has a hole therein, an elastic lock piece formed a claw at distal end, and a dragged portion. The needle holder is received in the r... | 07/13/2004 |
| 6758828 | Catheter for cell delivery in tissue An apparatus delivers an agent to a treatment region, the apparatus having an outer cannula or lumen that has an internal surface and an external surface, the external surface being substantially smooth to penetrate tissue whereas the distal end is tapered; an inner... | 07/06/2004 |
| 6746430 | Low silicone plastic prefillable syringe A method for lubricating a sealing member and a medicament chamber in a drug delivery device includes providing lubricating silicone on the surface of the stopper and within the plastic material of the chamber. The stopper preferably is first washed and rinsed in ho... | 06/08/2004 |
| 6641587 | Systems and methods for treating vertebral bodies A filler instrument comprises a first chamber section having a first cross sectional area and a second chamber section having a second cross sectional area less than the first cross sectional area. The second chamber section communicates with the first ch... | 11/04/2003 |
| 6413236 | Automatically retractable needle safety syringe An automatically retractable needle safety syringe apparatus having an integral safety feature that automatically and immediately retracts the piercing tip end of the needle body after a single use, due to a punch which frictionally engages the foundation... | 07/02/2002 |
| 6224577 | Syringes and plungers for use therein The present invention provides a plunger for use in a syringe and a syringe comprising such a plunger. The plunger includes a pressure member extending around the circumference of a generally cylindrical body of the plunger. The pressure member is in subs... | 05/01/2001 |
| 6139530 | Liquid medicine injection apparatus utilizing negative pressure A liquid medicine injection apparatus which is capable of injecting a liquid medicine at an accurate flow rate and which does not require an excessively strong force for filling the apparatus with the liquid medicine. The apparatus includes a barrel 1 pro... | 10/31/2000 |
| 6132400 | Dual-chamber syringe and methods A dual-chamber syringe has a plunger within an inner delivery chamber in fluid communication with an ejection port. The deliver chamber is formed within a tubular element axially slidable within a tubular guide. The tubular guide and the syringe outer bar... | 10/17/2000 |
| 6017325 | Disposable syringe with automatically retractable hypodermic needle A disposable syringe with an automatically retractable hypodermic needle for use in the injection of medicinal substances and/or the removal or samples of blood and liquids in general in human or veterinary medicine is disclosed. Once the operation of the... | 01/25/2000 |
| 6004300 | Composite hypodermic syringe piston A process for forming a composite piston of at least two materials, preferably a rigid material and an elastic material, the materials being chemically fused in a modular mold, and the plunger formed thereby. The process comprising injection molding one o... | 12/21/1999 |
| 5865803 | Syringe device having a vented piston A syringe assembly specifically designed to dispense high viscosity material. The syringe assembly includes a syringe barrel into which the high viscosity material is placed. A piston assembly is introduced into the syringe barrel. The piston assembly cre... | 02/02/1999 |
| 5795337 | Syringe assembly and syringe stopper A syringe stopper for use in a syringe barrel having a substantially cylindrical body comprises a piston-like stopper body for slidable fluid-tight engagement inside the barrel of the syringe. The body includes a distal end, a proximal end and a longitudi... | 08/18/1998 |
| 5756726 | Methods of producing singlet oxygen using compounds having improved functionalization Novel texaphyrin compounds having improved functionalization are described. Metal complexes of these compounds are active as photosensitizers for the generation of singlet oxygen and thus are potentially useful for treatments performed with singlet oxygen... | 05/26/1998 |
| 5735825 | Syringe plunger tip A sealing cap is provided for attachment to the end of a syringe plunger. The sealing cap has an annular sidewall with an annular first sealing wing projecting distally therefrom, an annular second sealing wing positioned proximal of the first sealing win... | 04/07/1998 |
| 5658258 | One piece disposable applicator The applicator is assembled from an integral injection-molded part which includes an elongated flat strap from which a piston member projects at a right angle to one side and, at some distance therefrom, a cylinder member including a canula molded thereon... | 08/19/1997 |
| 5620423 | Syringe for the controlled discharge of viscous materials A syringe having a stopper configured at least partly as a membrane surface. The stopper is prestressed opposite to the direction of insertion of a rotary piston so that it assumes a stable position at rest. After displacement by the rotary piston, the me... | 04/15/1997 |
| 5458576 | Safety syringe with retracting needle A retracting needle safety syringe (2) includes a barrel (4) having a tip (10), to which a needle assembly (28) is mounted, and a plunger (6) including a stem (34) and a piston (40) at the distal end of the stem. The piston has a piston body (46) and a pi... | 10/17/1995 |
