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Class 604/900 - TELLTALE SHOWING ENTRY OF BLOOD INTO BODY INSERTED CONDUIT


Subclass of Class 604 - Surgery
Definition: Device for observing the flow of blood into a conduit placed
No. of patents: 59
Last issue date: 08/28/2007


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NumberTitleIssue Date
7261703Vascular blood containment device
The present invention is directed to a vascular blood containment that allows a user to determine whether a blood vessel has been accessed and which provides access to the vessel. The vascular blood containment device includes a compression seal having increased rel...
08/28/2007
6656161Magnifying hub
An arrangement used in connection with the withdrawal of cerebral spinal fluid (CSF) from a spinal column comprising a hub having a chamber therein for receiving CSF; a cannula being coupled to the hub to permit communication of CSF with the hub, the cann...
12/02/2003
5984895Vascular blood flashback containment device with improved sealing capability
A blood containment device for use with a vascular entry needle provides visual and tactile confirmation that a blood vessel has been properly entered. The device includes a blood visualization chamber defined by a compliant member which provides a visual...
11/16/1999
5980492Vascular blood containment device
A blood containment, visualization and tactile confirmation device is provided for use with a vascular entry needle. The device includes a visualization channel and/or a compliant outer wall portion which indicates whether a needle connected to the device...
11/09/1999
5941854Intravenous catheter
In an intravenous catheter wherein a syringe needle and surrounding sheath are inserted into a vein so that blood flows through the needle into a transparent hollow push-pull element fixed on the needle remote from its point to indicate proper vein insert...
08/24/1999
5860991Method for the percutaneous suturing of a vascular puncture site
A suture applying device comprises a shaft which carries a pair of needles near its distal end. The needles are joined by a length of suture, and the shaft is used to both introduce the needles into a lumen of a body structure and to push the needles back...
01/19/1999
5676689Hemostatic puncture closure system including vessel location device and method of use
A system for sealing a percutaneous puncture in a blood vessel in a living being and method of use thereof. The system includes a hemostatic closure, a blood vessel locator device for determining the position of the blood vessel via the percutaneous punct...
10/14/1997
5542932Bloodless flashback vent
This invention is an improved flashback vent. A thin piece of biocompatible material is affixed over the open proximal end of a flashback chamber or a plug in the flashback chamber. This material has a plurality of holes formed therein. Thus, where the fl...
08/06/1996
5520193Blood collecting needle with vein indicator
A needle assembly for evacuated blood collection tubes or containers comprises a single needle cannula, a needle cannula support made of a translucent or transparent material provided on the middle portion of the needle cannula, a blood flow confirmation ...
05/28/1996
5496281Spinal cannula with transparent grip part
The spinal cannula 1 is provided with a grip part, which consists of transparent plastic and surrounds the rear end of the cannula in a substance-securing manner. A cerebrospinal fluid checking chamber, which tapers toward the rear end of the cannula and ...
03/05/1996
5417699Device and method for the percutaneous suturing of a vascular puncture site
A suture applying device comprises a shaft which carries a pair of needles near its distal end. The needles are joined by a length of suture, and the shaft is used to both introduce the needles into a lumen of a body structure and to push the needles back...
05/23/1995
5411520Hemostatic vessel puncture closure system utilizing a plug located within the puncture tract spaced from the vessel, and method of use
A system, a closure, and method for sealing a percutaneous puncture in a blood vessel. The puncture includes a tract leading to it from the skin of the being. The system includes an introducer sheath, a positioning device, a hemostatic puncture closure, a...
05/02/1995
5324266In-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
5314410Entry indicator device for arterial or intravenous needle
A blood vessel entry indicator device is provided which includes a colored flexible membrane disposed within the transparent body of a hypodermic needle that is stretched over the proximal end of the needle cannula. As the needle reaches the inside of the...
05/24/1994
5295969Vascular access device with air-tight blood containment capability
The present invention is a means for accessing blood vessels for the insertion of a guide wire while preventing the free release of blood. Specifically, a hollow, thin-walled metal tube typically having a sharp point at its distal end is joined at its pro...
03/22/1994
5282827Hemostatic puncture closure system and method of use
A system, a closure, and method of use for determining the position of a blood vessel via a percutaneous puncture and for sealing the percutaneous puncture in the blood vessel. The system includes an introducer sheath and associated positioning device, a ...
02/01/1994
5250035Cannula and stylet system
A needle system including a plastic cannula and a stylet, and a procedure utilizing the needle system for positioning the end of a spinal catheter within the subarachnoid space surrounding a patient's spinal cord for continuous administration of anestheti...
10/05/1993
5242414Ergonomic vascular access needle
An ergonomic vascular access needle (10) is provided which has a transparent body (20) having an extended and small diameter capillary lumen (22) through which blood may be observed. The extended capillary lumen (22) is in fluid communication on opposing ...
09/07/1993
5226883Flashback ventilation cap
A ventilation cap for a flashback chamber is formed of a hollow elongate cylindrical body of polymeric material and includes a proximal opening which is blocked by a venting material such as a hydrophobic filter, and a distal opening which is sized to all...
07/13/1993
5215529Medical connector
A medical connector (10) disclosed comprises a first connector member (10) having an elongated hollow introducer needle (14). The introducer needle (14) has first and second end portions (16,18) and first and second spaced openings (20,22) to the hollow o...
06/01/1993
5137518Instantaneous vein entry indicator for intravenous needle
A device is provided for indicating when an intravenous needle has entered the vein through the use of a solid fiber optic mounted in the needle for showing visual instantaneous vein entry. The hub has a special light source connection to enhance the degr...
08/11/1992
5120319Flash tube for intravenous catheter
A catheter device is disclosed which contains a catheter in an insertion needle. The insertion needle is attached to a needle hub which contains a flash chamber. Within the flash chamber the proximal end of the needle is connected to a clear plastic tube ...
06/09/1992
5098395Medical connector
A medical connector (10) disclosed comprises a fist connector member (10) having an elongated hollow introducer needle (14). The introducer needle (14) has first and second end portions (16,18) and first and second spaced openings (20,22) to the hollow of...
03/24/1992
5032116Flashback plug
A flashback plug has a body molded of a semi-transparent polymeric material along and about an axis. A distal end of the body engages in fluid tight communication a needle hub flash chamber and a proximal end extends therefrom to receive a fitting. A pass...
07/16/1991
5030207Instantaneous vein entry indicator for intravenous needle
A device is provided for indicating when an intravenous needle has entered the vein through the use of a solid fiber optic mounted in the needle for showing visual instantaneous vein entry. The distal end of the fiber optic is polished to be flush with th...
07/09/1991
4971068Blood vessel locating needle assembly with thermochromic indicator
The penetration of a vein or the like by a fluid collecting or dispensing needle is rapidly confirmed by the transfer of thermal energy from fluid entering the needle bore upon such penetration to a temperature responsive medium in intimate contact with t...
11/20/1990
4946443Catheter introducer
A catheter introducer including a cannula, a stylet disposed within the cannula, and means for holding a catheter in close proximity to the cannula and stylet so that the tip of the catheter is positioned near the tip of the cannula after insertion within...
08/07/1990
4917671Flash plug for I.V. catheters
A flash plug for an I.V. catheter is formed of a body of polymeric material, and has a narrow distal end for insertion within a catheter flash chamber and a larger proximal end which extends from the flash chamber. The flash plug has an aperture extending...
04/17/1990
4908021Flashback chamber for catheter assembly
A flashback chamber for a catheter assembly including a main body portion having a cavity formed therein which is structured to include a path of fluid flow along its length defined by a plurality of sequentially disposed chambers separated, at least in p...
03/13/1990
4874379Cannula
The invention is related to a cannula used in medication for infusing liquid and/or giving a medicine injection into a vein, which cannula comprises a hollow body, an indication chamber part that, equipped with a steel needle, is coupled to it, a catheter...
10/17/1989
4874373Dip formed catheter and assembly
A catheter constructed of a polymeric material that is produced by dip coating over a mandrel or needle, is disclosed. The catheter which is formed is then removed by expansion upon contact with a liquid containing water, or by applied manual pressure. Th...
10/17/1989
4772267Peripheral IV catheter with enlargeable flashback chamber
An improvement is set forth in a peripheral IV catheter assembly which comprises a needle hub having proximal and distal ends and a central bore having a flashback chamber, blood in said chamber being observable through said needle hub. A needle extends f...
09/20/1988
4767408Flashback structure
A flashback structure of the type primarily designed to be used in combination with a catheter assembly and more specifically structured to provide clear visual indication of blood flow along a circuitous path of fluid flow which is indicative of proper p...
08/30/1988
4758218Method and apparatus for guidewire placement of catheters
A percutaneous syringe assembly for use in the introduction of a guidewire into a blood vessel for the purpose of guiding a catheter into place. The syringe has a plunger with a central guide tube for the wire and a needle lumen for introduction of the wi...
07/19/1988
4744791Syringe with automatic piston retraction
The syringe is of the aspirating type and comprises a transparent barrel, having an outlet spout for mounting a hypodermic needle at one end and fully open at its opposite end. A partition separates the barrel into a shorter and a longer chamber, the latt...
05/17/1988
4710173Flashback structure
A flashback structure of the type primarily designed to be used in combination with a catheter assembly and more specifically structured to provide clear visual indication of blood flow along a circuitous path of fluid flow which is indicative of proper p...
12/01/1987
4613328Bio-medical injector apparatus
A bio-medical injector apparatus comprising a base unit having a skin engaging portion disposed at an angular orientation with respect to the longitudinal axis of the base unit for supporting and maintaining a hypodermic needle at an optimum angular orien...
09/23/1986
4610671Assembly of stylet and catheter
A grooved stylet having a puncture point aligned with the stylet axis is mounted through a catheter to form an assembly. The aligned puncture point enables more accurate piercing of a vein, and reduces the possibility of double piercing the vein. The styl...
09/09/1986
4541548Dispenser with sniff device and method
Apparatus for dispensing paint or other liquids having a rotational valve actuable between a dispensing position and a suction position and a piston and cylinder assembly in flow coupling relation to the valve, and having a base plate for rotationally pos...
09/17/1985
4534763Hypodermic cartridge
A hypodermic cartridge includes a barrel having a cannula attached to a forward end thereof. The rear or inner end of the cannula extends into the barrel interior and is provided with a deflected or bent section having its distal portion juxtaposed the pe...
08/13/1985
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