Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7294278 | Method for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 11/13/2007 |
| 7261698 | Transfer needle safety apparatus A transfer needle safety apparatus including a guide port adapted to fit a variety of body fluid receptacle sizes. A sleeve substantially fills the cavity inside a needle shield. The sleeve includes a robust external lead-in structure for aligning/assembling and cen... | 08/28/2007 |
| 7198685 | Method of fusing a component to a medical storage of transfer device and container assembly A method of fusing a component to a sterilized storage or delivery device formed of a cyclic olefin polymer which includes forming the storage or delivery device from a cyclic olefin polymer, forming a second member or component having at least a surface layer forme... | 04/03/2007 |
| 7011234 | Device for dispensing combined doses of fluid product A fluid dispenser device comprising a body (1), dispensing means (30) for dispensing the fluid, a first reservoir (10) containing a first fluid and a second reservoir (20) containing a second fluid, the first and second fluids being to be... | 03/14/2006 |
| 7008535 | Apparatus for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 03/07/2006 |
| 6974435 | Method for enriching a bodily fluid with a gas A system utilizes an oxygenation device to generate a gas-enriched physiologic fluid and to combine it with a bodily fluid to create a gas-enriched bodily fluid. The oxygenation device may take the form of a disposable cartridge, which is placed within an enclosure.... | 12/13/2005 |
| 6964798 | Multi-layered polymer based thin film structure for medical grade products A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a firs... | 11/15/2005 |
| 6497684 | Syringe with a barrel having a sealing cap to hold a fluid medium within the barrel A syringe with a barrel for holding a fluid medium includes a sealing cap that is put on the outlet end of the barrel. The barrel in the section that can be inserted into the cap has a first locking element on the outside. The sealing cap in the correspon... | 12/24/2002 |
| 6394985 | Backflow proof structure for syringe A backflow proof structure for a syringe comprising a central cylinder portion and two blocks positioned in a protruding end of the syringe, on the bottom of the cylinder portion is a flared portion and on the top thereof is a tip, the outer space of the ... | 05/28/2002 |
| 6383168 | Needleless syringe with prefilled cartridge In accordance with an embodiment of the invention, a needleless injection apparatus includes a cartridge having a plunger disposed at a rearward end. The cartridge includes an inner portion with a throat at a forward portion and a displaceable outlet valv... | 05/07/2002 |
| 6132395 | Needleless syringe with prefilled cartridge A cartridge and nozzle assembly for use in a needless injection system is provided. The assembly includes: (1) a cartridge having a plunger disposed at a rearward end thereof, and including a throat at a forward portion thereof, with a displaceable outlet... | 10/17/2000 |
| 6080461 | Viscoelastic memory means and flow control valve and use thereof to produce a single-use, auto-destruct injection device Solid disks of polyethylene oxide are radiation crosslinked to instill viscoelastic memory. The disks are then pierced with a needle, heated, cooled and the needle removed to form disks containing a flow orifice in each which upon contact with water will ... | 06/27/2000 |
| 6068614 | Plastic syringe with overcap A plastic pre-filled syringe which includes an open ended barrel sealed at one end by a moveable stopper and sealed at the other end by a closure frangibly connected to the syringe. The syringe also includes an overcap which can be moved so to engage with... | 05/30/2000 |
| 5908409 | Tubing plug A device for forming a leakproof closure on the terminus of a tubing having an elastic wall. The device consists of a plug insertion tool and a plug. The plug is a elongate member having a convex distal end and a proximal end. The plug insertion tool has ... | 06/01/1999 |
| 5643224 | Safety valve plug for disposable pre-filled syringes The invention relates to a safety valve plug to be used in pre-filled syringes, of the kind comprising a cylindrical hollow body into which a coaxial plunger is displaced, projecting outwardly from one of the bases; while a conical portion is defined at t... | 07/01/1997 |
| 5637100 | Syringe-cum-container An improved syringe is provided which can be used in any step of preparation of a medicament by vacuum freeze-drying, etc., storage of a medicament, mixing of medicaments and dosing of a medicament in a sanitary and stable manner. The syringe comprises a ... | 06/10/1997 |
| 5558664 | Device for the dermal absorption of medicinal solutes The device consists of: (a) an application reservoir or cell (1) whose base has a filling hole (4) for the solution and an opening that is fitted with a stopper (5) which presents micro-recesses on its periphery for administration of the solution on the s... | 09/24/1996 |
| 5531710 | Combination closure and syringe A closure is provided for a syringe of the type having a housing with a substantially tubular and cylindrical neck with a through bore through which the contents of the syringe are dispensed. The closure includes an elongated probe having a free end and a... | 07/02/1996 |
| 5531720 | I.V. starting kit and coupling, and method A kit for starting an I.V. is disclosed, as is a coupling for preventing blood and fluids from spilling out of the kit's catheter. The kit is comprised of a catheter portion, a coupling portion and a flesh piercing portion. The cannula portion includes a ... | 07/02/1996 |
| 5531255 | Apparatus used in producing prefilled sterile delivery devices A process and apparatus used in manufacturing prefilled, sterile delivery devices such as syringe assemblies. The process includes sealing a syringe container portion at both ends and filling the same through a port provided in the container portion betwe... | 07/02/1996 |
| 5529189 | Syringe assembly for quantitative measurement of radioactive injectate and kit having same A disposable single-use kit for administering a precise dose of radioactive tracer to a subject with an accuracy of at least 99.9% by weight. The kit comprises a syringe, pre-filled with a known quantity of a radioactive tracer as injectate. The back of a... | 06/25/1996 |
| 5273542 | Pre-filled syringe with flow valve The present invention is a hypodermic syringe pre-filled with a volume of a desired solution. A plug member is positioned within the hypodermic syringe in between the pre-filled fluid and the lumen of the syringe's cannula. The presence of the plug member... | 12/28/1993 |
| 5098410 | Adapter cap attachment An infusion catheter adapter and cap assembly, the catheter adapter has a housing with an input, an output and a side port, normal to the housing axis, which has a cap. The cap is fixedly attached to the housing by a living hinge with a retaining knob. Th... | 03/24/1992 |
| 5000735 | Single use syringe A hyperdermic syringe having a plunger which separates from a piston inside a barrel of the syringe after a downward stroke of the plunger preventing reuse of the syringe. The plunger breaks breakaway portions mounted inside the piston when pushed downwar... | 03/19/1991 |
| 4986278 | Biopsy syringe device A biopsy syringe for removing a specimen from a subject includes a tubular housing having a long hollow needle and two pistons. The first piston carries a mandrel received in the hollow needle. The second piston defines a chamber between it and the first ... | 01/22/1991 |
| 4961728 | Single-use syringe having misuse resistant features A syringe assembly includes a barrel having an inside surface describing a chamber for retaining fluid, an open proximal end and a distal barrel end having a passageway therethrough in fluid communication with the chamber. A plunger rod includes an elonga... | 10/09/1990 |
| 4952206 | Occlusion apparatus for converting a syringe into a non-reversible single use syringe A single use syringe wherein the essential concept is to create a valve within the orifice that leads from the drug chamber into the chamber leading to the needle. The valve consists of a conical washer supported within the chamber by inclined barbs forme... | 08/28/1990 |
| 4941876 | Device for conditioning liquids or liquid and solid substances The device comprises a cylindrical ampoule which is closed at one end and opened at the other end. The ampoule has a relatively large circular cylindrical zone adjacent the closed end and a relatively small cylindrical zone disposed between the relatively... | 07/17/1990 |
| 4929230 | Syringe construction A syringe for hypodermic injection wherein multiple pistons seal various number of chambers. One piston provides the basic operating force to dispell the contents from a chamber or successive chambers and another piston or other pistons forming a chamber ... | 05/29/1990 |
| 4832693 | Disposable syringe A single use hypodermic needle syringe is constructed in a manner which provides for the automatic self destruction of the fluid passage during the initial use upon the first complete injection stroke. Because the fluid passage is destroyed upon the first... | 05/23/1989 |
| 4741737 | Prefilled ampoule-syringe A prefilled ampoule-syringe including an ampoule body having a smaller inner dimension than the body and a stopper means associated with an external capsule for closing the ampoule. The stopper is provided with an internal conduit having at least one tran... | 05/03/1988 |
| 4613326 | Two-component medication syringe assembly A two-component syringe assembly includes an elongate barrel having a chamber for retaining fluid and a distal end having a passageway therethrough communicating with the chamber. A bypass stopper is slidably positioned in fluid-tight engagement inside th... | 09/23/1986 |
| 4479801 | Fluid dispensing device A device in the form of a syringe having a barrel with a cylindrical neck portion in the end thereof and a plunger axially displaceable therein, a hollow needle and a hub securing the hollow needle to the open end of the barrel with a chamber in between d... | 10/30/1984 |
| 4469482 | Disposable hypodermic syringe The invention relates to a disposable syringe comprising a barrel in which a piston is provided and to which a needle is or can be connected to the front, a stopper being present in the barrel between piston and needle or needle connection means. The inne... | 09/04/1984 |
| 4460357 | Fluid dispensing device A device in the form of a syringe having a barrel with a cylindrical neck portion in the end thereof and a plunger axially displaceable therein, a hollow needle and a hub securing the hollow needle to the open end of the barrel with a chamber in between d... | 07/17/1984 |
| 4436098 | Needle assembly with vein entry indicator A needle assembly preferably suitable for single sample blood collection and for determining vein entry when collecting a blood sample from a patient into a vacuum collection device. This assembly includes a housing with an interior chamber having a blood... | 03/13/1984 |
| 4235235 | Syringe The needle end of the barrel of a pre-filled syringe is sealed by a stopper which is displaceable into the shaft of a needle holder. The stopper is displaced, to release injection fluid, by operation of the syringe plunger. One or more slots in the walls ... | 11/25/1980 |
| 3986645 | Liquid dispenser A liquid dispenser in the form of a syringe having a barrel, with a piston valve/seal slidable in the barrel bore and having a preformed liquid passage hole extending through a slidable elastic main body thereof in which an elastic hour-glass shaped plug ... | 10/19/1976 |
| 3941128 | Fluid dispensing arrangement A fluid dispensing arrangement for injecting liquid parenteral drugs or other liquids, including a syringe or cartridge with a needle-hub secured thereto, a plunger in the syringe or cartridge for effecting liquid discharge and injection, and a combinatio... | 03/02/1976 |
