Class 604/125 - From hand supported injection means

Subclass of Class 604 - Surgery
Definition: Subject matter wherein the manually operated injection means
No. of patents: 31
Last issue date: 05/08/2012

Number	Title	Issue Date
8172795	Medical device including an air evacuation system Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air perme...	05/08/2012
8172794	Medical device including an air evacuation system Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air perme...	05/08/2012
7341576	Medical delivery/extraction system 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 ou...	03/11/2008
7303551	Medical delivery/extraction system 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 ou...	12/04/2007
7195606	Syringe and a method for its utilization in analysis The invention provides a syringe for preventing anemia resulting from withdrawal of blood from a patient for analysis, the syringe including a cylindrical tube having a nozzle at its lower end to which a needle is attachable; a piston disposed within the tube and ap...	03/27/2007
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
6511457	Airless syringe A syringe having an air release assembly slidingly clamped to a syringe barrel, the air release assembly having a lower portion with a slider valve insert and an upper portion with a rearward facing chamber. The syringe barrel has an opening at the junctu...	01/28/2003
5911708	Method and apparatus for uninterrupted delivery of radiographic dye A method and apparatus for injecting radiographic dye during angiography. A deformable holding chamber is interposed between a contrast dye bottle and a syringe manifold. A one-way valve and an integral disconnect/flow-stop are connected between the bottl...	06/15/1999
5779666	Method and apparatus for uninterrupted delivery of radiographic dye A method and apparatus for injecting radiographic dye during angiography are provided. A deformable holding chamber is interposed between a contrast dye bottle and a syringe manifold. A one-way valve and an integral disconnect/flow-stop are connected betw...	07/14/1998
5637269	Process for forming a sintered composite boron carbide body A process for the production of a sintered composite boron carbide body, the process comprising: (a) mixing 40.0 to 99.5 volume % of B4 C with 0.5 to 60.0 volume % of fine grain powdered SiC, TiC, or both in an organic solvent; (b) drying to form a ...	06/10/1997
5533978	Method and apparatus for uninterrupted delivery of radiographic dye A method and apparatus for injecting radiographic dye during angiography are provided. A deformable holding chamber is interposed between a contrast dye bottle and a syringe manifold. A one-way valve and an integral disconnect/flow-stop are connected betw...	07/09/1996
5324266	In-line sampling system incorporating an improved blood sampling device A blood sampling system incorporates a fluid storage mechanism which can be disposed along the longitudinal axis of a fluid line extending from an injection site to a fluid supply. Both the main body portion of the fluid storage mechanism and a fluid draw...	06/28/1994
5242405	Syringe having graphics visualization features A syringe barrel having graphics visualization features includes an elongate body portion having a longitudinal axis and a side wall spaced from the axis defining an inside diameter and a chamber for retaining fluid. The side wall includes a transparent p...	09/07/1993
5062828	Hypodermic syringe A small bore plastic syringe body is disclosed with improved visual amplification of interface surfaces between a light transmissive liquid and air within the syringe bore using a solid reflective colored strip on the syringe tube and located on one side ...	11/05/1991
4952209	Applicator syringe for a dental compound Applicator syringe for a dental compound, with a syringe body (1) tapering into a thin discharge tube (3) and with a piston (5) displaceable in it, the applicator syringe being intended for once-only use. To avoid the need for special actuating tools, but...	08/28/1990
4941883	Disposable safety syringe Disclosed is a disposable safety syringe which comprises a reservoir and a tubular sheath. The reservoir serves to aspire therein or to inject therefrom a fluid, while the tubular sheath is integrally attached to and in fluid communication with the reserv...	07/17/1990
4798596	Applicator syringe for a dental compound Applicator syringe for a dental compound, with a syringe body (1) tapering into a thin discharge tube (3) and with a piston (5) displaceable in it, the applicator syringe being intended for once-only use. To avoid the need for special actuating tools, but...	01/17/1989
4792066	Chemical liquid injector In a chemical liquid injector mainly for use in filling with a chemical liquid cracks developed in a wall of a concrete building and a gap between the wall and the underlying concrete body, an air-escape groove is provided in the interior surface of the i...	12/20/1988
4715854	Multidose disposable syringe and method of filling same The multidose syringe is provided with two pistons which are attached by a string to move simultaneously. A groove in the barrel for delivering fluid into and from the innermost fluid chamber is provided with baffles to create turbulence in the fluid flow...	12/29/1987
4690154	Vented syringe A vented blood gas syringe is capable of allowing arterial blood to enter into a specimen chamber due to blood pressure or due to the aspirating the blood into the chamber where insufficient blood pressure of the patient exists. The blood gas syringe is f...	09/01/1987
4466446	Plunger subassembly for blood gas syringes This invention relates to an improved plunger subassembly for use in a blood gas syringe barrel characterized by a pushrod having a piston on its front end with a hollow interior defining a fluid collection chamber communicating with both the front and re...	08/21/1984
4340068	Multiple sample needle with vein entry indicator A multiple sample needle assembly for determining fluid access when collecting fluid samples from a source of fluid into a vacuum collection device. The assembly includes a housing with a chamber therein having first and second access openings in fluid co...	07/20/1982
4340067	Blood collection syringe A syringe for collecting a blood sample includes a cylindrical housing having a hollow needle at one end. A plunger slidably mounted within the housing defines a chamber within which blood collected by the needle is received. A hydrophilic bypass element ...	07/20/1982
4226236	Prefilled, vented two-compartment syringe A prefilled, readily activated syringe assembly wherein a fluid medicament and a diluent therefor can be intermixed in a syringe barrel with a venting thereof. A medical powder is sealed in a barrel by means of an intermediate slidable stopper and the dil...	10/07/1980
4206768	Syringe device with means for selectively isolating a blood sample after removal of contaminates A syringe is disclosed for taking blood samples which includes a tubular body, a plunger, a sealing member and a needle. The plunger and sealing member in combination are slideably received in the tubular body with the plunger receiving the sealing member...	06/10/1980
4082121	Liquid dispenser with means for automatically purging air therefrom during liquid loading A hand-held liquid dispenser of the type using a piston and piston cylinder for precise dispensing of desired volumes of liquid, including an improvement that automatically eliminates any air from the piston cylinder when an operator normally fills the pi...	04/04/1978
4057050	Devices for extracting blood Devices for extracting blood which comprises a cylinder having at one end a removable closure member carrying a connection piece for a cannula and an end wall at the other end. A piston is guided in the cylinder in an air-tight manner and a piston rod gui...	11/08/1977
4057052	Blood-gas syringe The disclosure is of an improved blood gas syringe. In one embodiment, the improved syringe comprises a conventional syringe barrel, a plunger and an elastomeric piston at the bottom of the plunger. The plunger extends through and beyond the piston a shor...	11/08/1977
4044758	Cholangiography device and method A device for use in cholangiography and similar procedures comprising, a syringe having a barrel defining a chamber. The syringe has a plunger having one end received in a proximal end of the syringe chamber for pumping liquid from the chamber, a floating...	08/30/1977
3978846	Syringe for taking blood samples The syringe of the present invention includes a tubular body having a plunger slidably received therein in fluid tight relationship so as to define a void space at the leading end of the syringe when the plunger is fully inserted, the void space being in ...	09/07/1976
3960139	Syringe device with means for removing contaminates when drawing blood sample A syringe for taking blood samples includes a tubular body having a main plunger slidably received therein in fluid tight relationship. The tubular body has an opening through the leading end in communication with connection means for receiving a hypoderm...	06/01/1976

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Class 604/125 - From hand supported injection means