"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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 |
| 8187232 | Needle insertion systems and methods A housing may have a needle, plunger, and bias mechanism supported within the housing by a tab configured to retain the plunger in position and to allow the plunger to move under bias force imparted by the bias mechanism to move the needle to an insert position when... | 05/29/2012 |
| 7753891 | Syringe devices and methods for mixing and administering medication The invention includes a device having a chamber within a syringe. A fluid passageway extends through a syringe piston. A valve is associated with the passageway controlling fluid passage through the piston. The invention includes a piercing structure having a head ... | 07/13/2010 |
| 7329241 | Drug delivery system for administering an adjustable preset dose An embodiment of the present invention provides an apparatus for setting a dose of a drug in a syringe having a plunger, comprising an outer housing and an inner housing adapted for encircling the syringe, such that the inner housing is positioned within the outer h... | 02/12/2008 |
| 7300995 | Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing... | 11/27/2007 |
| 7048682 | Surgical articles and methods Surgical instruments, implantable articles and surgical procedures disclosed for treating medical disorders, particularly incontinence. Improved surgical sling procedures are disclosed. Novel surgical instruments and kits for use in sling procedures are also disclos... | 05/23/2006 |
| 6913934 | Apparatus and methods for parallel processing of multiple reaction mixtures A cannula for use in transferring small volumes of fluid materials, such as in a parallel reaction process. The cannula comprises a long thin needle having various end (port) configurations, and an adapter for connecting the needle to a fluid line. The adapter may i... | 07/05/2005 |
| 6866653 | Method and apparatus for sequential delivery of multiple injectable substances stored in a prefilled syringe A syringe, which may be pre-filled, and a method of using the syringe is disclosed to provide sequential injection of two different fluids without mixing thereof. The syringe comprises in a first version a plunger and an intermediate disc sealingly disposed within a... | 03/15/2005 |
| 6808511 | Disposable aspirating safety syringe A disposable aspirating syringe for dental medicine having the ability to accept single use or disposable drug cartridges. The syringe offers a retractable needle and a break-away plunger to facilitate disposal and increase safety. ... | 10/26/2004 |
| 6764468 | Sealed sterile intravenous catheter and needle assembly A sealed sterile intravenous catheter and needle assembly providing a substantially closed and sterile environment. The sealed sterile intravenous catheter is removably secured to a needle assembly and includes a tubular catheter portion, a catheter nozzle portion, ... | 07/20/2004 |
| 6689108 | Device for measuring a volume of drug A device for measuring a volume of liquid drug. The device includes a first chamber containing liquid drug, a measurement chamber in liquid communication with the first chamber, and a measurement assembly.... | 02/10/2004 |
| 6585697 | Blunt tip cannula with access pin The present invention relates to an access device which is provided as part of the packaging of a blunt tip cannula or blunt tip cannula/syringe combination. The access device is preferably positioned within an elongate sheath which also protects the blun... | 07/01/2003 |
| 6579245 | Device for underpressuring collection and dosage liquid samples, in particular for analytic tests A device including a holder with a blood sample collection tube-syringe on the one side and a needle on the other side. An exemplary holder includes a set of two valves. The first valve is on the tube-syringe's side and is a tire valve including an inner ... | 06/17/2003 |
| 6206858 | Blunt tip cannula with access pin The present invention relates to an access device which is provided as part of the packaging of a blunt tip cannula or blunt tip cannula/syringe combination. The access device is preferably positioned within an elongate sheath which also protects the blun... | 03/27/2001 |
| 5961497 | Connection device with pre-slit seal A connecting system is provided with a connector adapted to be mounted to the end of a conduit for removably engaging a blunt cannula to establish fluid communication between the conduit and cannula. The connector has a housing which defines a passage for... | 10/05/1999 |
| 5876380 | Portable syringe dispenser system A portable syringe dispenser system capable of holding one or more syringes containing different types of fluid medicine therein. Filled syringes, holding enough fluid medicine for multiple injections, are placed into syringe holders in the dispenser and ... | 03/02/1999 |
| 5833653 | Prefilled hypodermic syringe A hypodermic syringe has a tubular body extending along and centered on an axis and having an axially forwardly open front end, a piston rod axially displaceable in the body and having a plunger rod extending rearwardly from the body, and a plug fitted in... | 11/10/1998 |
| 5713875 | System for administration of a liquid agent to a patient with a syringe pump A system is provided for accommodating the use of a syringe pump to inject a liquid agent into a patient from a vial having an internal chamber occluded at one end by a stopper located in the chamber to sealingly engage the vial and slide within the chamb... | 02/03/1998 |
| 5695475 | Syringe apparatus Syringe apparatus is provided which can be used in multiple ways such as injecting patients with various medications, taking blood samples, or in IV (intravenous) applications. The apparatus includes an outer sleeve slidably positioned over an inner sleev... | 12/09/1997 |
| 5360410 | Safety syringe for mixing two-component medicaments A disposable two-component safety syringe with retractable injection needle adapted for the separate storage of medicament and medicament solvent and the pre-injection mixing thereof. The cartridge-type syringe is adapted to be used manually or in conjunc... | 11/01/1994 |
| 5336192 | Self-sealing valve device for angiographic catheters A self-sealing valve device for an angiographic catheter includes a housing having a first end adapted to form a luer lock connection with the proximal end of the angiographic catheter. A central bore extends between the first end of the housing and an op... | 08/09/1994 |
| 5286453 | Device for dispensing a biological fluid from a sealed vacuum tube A device for dispensing a portion of a biological liquid from a sealed vacuum tube onto a microscopic slide or other suitable application wherein the device is formed from an open-ended elongate housing having a cannula mounted therein so as to extend in ... | 02/15/1994 |
| 5263942 | Packaged pharmaceutical-type safety syringe with off-axis needle cannula A syringe (70), of the type having an adapter (76) housing a pharmaceutical-filled container (72) with a plunger (82, 86) disposed within the bore of the container barrel (74), includes a needle assembly (100) housed within a needle assembly guide (98) po... | 11/23/1993 |
| 5251786 | Biological fluid collection and delivery apparatus and method A biological fluid collection and dispensing apparatus for attachment to a test tube includes a pump and a cannula assembly including a fluid transfer cannula and a vent cannula housed partially within the pump. Biological fluid may be both collected and ... | 10/12/1993 |
| 5199949 | Multiple pharmaceutical syringe A multiple pharmaceutical syringe (160), especially useful for use in dispensing insulin, includes a body (162) housing first and second pharmaceutical-filled cartridges (182, 184). The cartridges are of the type with a septum (190) at one end and a pisto... | 04/06/1993 |
| 5147323 | Multiple cartridge syringe A multiple cartridge syringe (2), especially useful for use in dispensing insulin, includes a body (4) housing first and second pharmaceutical-filled cartridges (30, 32). The cartridges are of the type with a septum (36) at one end (38) and a piston (42, ... | 09/15/1992 |
| 5114400 | Blood withdrawal apparatus and method A blood withdrawal apparatus and method in which a blunt cannula or needle penetrates an elastomeric septum into a pressurized flow channel such as an arterial line. After blood is withdrawn into the attached syringe, the needle tip is withdrawn into the ... | 05/19/1992 |
| 5084023 | Bloodless catheter with self-shielding needle A catheter with a double membrane gasket and a locking needle guard is disclosed. The gasket prevents blood from seeping through the catheter hub. The locking needle guard prevents the user from inadvertent needle sticks.... | 01/28/1992 |
| 5067948 | Safety, packaging, injection and disposal system for pre-filled pharmaceutical vials A vial holding syringe (84) includes a barrel (6) having a bore (12), a sealable needle end (8) and an open plunger end (10). A plunger (16) is mounted within the bore and includes an elongated hollow stem (18), having an interior (36) sized to hold a con... | 11/26/1991 |
| 5062836 | Placement device for a catheter and guide wire A placement device for a catheter and guide wire comprising, a valve assembly having a proximal end, a distal end for connection to the catheter, an elastic valve member having a least one slit and a slide member being slidably received in the valve assem... | 11/05/1991 |
| 5060659 | Medical container stopper A stopper for medical containers such as blood collection tubes having integral flange and plug portions, the flange portion being substantially larger in diameter than the plug portion, which plug portion is sized to sealably close the container. The sto... | 10/29/1991 |
| 5053014 | Catheter with controlled valve A catheter hub assembly is disclosed wherein the assembly contains a membrane useful in preventing backflow of blood into the flash chamber. The hub assembly contains a membrane opener which operates upon the insertion of a luer locking mechanism into the... | 10/01/1991 |
| 4946446 | Retractable needle Safety hypodermic needle apparatus for disposing of a needle safely after use. The apparatus comprises a housing containing a plunger on which is mounted a needle at one end and an adapter at the other end for engaging a syringe. When the syringe is engag... | 08/07/1990 |
| 4893636 | Medical container stopper A stopper for medical containers such as blood collection tubes having integral flange and plug portions, the flange portion being substantially larger in diameter than the plug portion, which plug portion is sized to sealably close the container. The sto... | 01/16/1990 |
| 4844089 | Needle for multiple vacuum blood sample devices An improved needle for multiple vacuum blood sample devices, consisting in two opposed, coplanar needles connected by an oblique member and protected by a rigid sheath such that the relevant test tube holder is not coaxial to the needle to be introduced i... | 07/04/1989 |
| 4738660 | Injection syringe An injection syringe having at least two chambers which are disposed in axis-parallel and juxtaposed relationship and an injection needle in which the needle cavity can be connected to a chamber for an injection liquid which can be pressurized by an injec... | 04/19/1988 |
| 4713061 | Cartridge with universal plastic hub A cartridge assembly having a cylindrical body, with its forward end being packed down to form an annular flange, a hub fitted on the annular flange, a diaphragm seal positioned on the forward face of the annular flange and held in sealing position by the... | 12/15/1987 |
| 4704104 | Disposable tube for rectal injection of drugs A disposable tube includes two compartments separated by a breakable partition. One of the compartments initially contains one element of a medicament, the other compartment initially contains a second element of the medicament. The first compartment, inc... | 11/03/1987 |
| 4178928 | Self injector A self injector having a spring powered gun assembly including a plunger rod driven forwardly by a compressed spring which is releasable by a retainer member to fire the plunger rod, and a cartridge assembly connected to said gun assembly, the cartridge a... | 12/18/1979 |
| 4084588 | Parenteral drug storage device with closure piercing coupling member A syringe or other container which may be prefilled with a parenteral drug has an end closed by a pierceable seal that is engaged between the end of the syringe barrel and a plastic sealing cap. A coupling member is disposed for sliding movement on the ca... | 04/18/1978 |
| 3974832 | Interchangeable hypodermic needle assemblage An interchangeable needle assemblage for a hypodermic syringe which enables needles of varying lengths and characteristics to be readily attached to the barrel of an existing syringe or vial. Where double-ended needles are utilized, the barrel or vial has... | 08/17/1976 |