US Patent No: 4,310,017

Number of patents in Portfolio can not be more than 2000

Backflow check valve for use with IV administration sets

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Importance

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Abstract

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A backflow check valve includes male and female hubs sonically welded together with a flow control disc located within the check valve. The disc permits flow in one direction through the check valve, but prevents flow in the other direction through the check valve.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
B. BRAUN MEDICAL INC.BETHLEHEM, PA107

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raines, Kenneth Bethlehem, PA 17 716

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (5)
* 4,838,875 Method and apparatus for dealing with intravenous fluids 54 1987
* 5,041,087 Needle-less parenteral fluid injector 67 1990
* 6,068,617 Needleless valve for use in intravenous infusion 75 1997
* 6,106,502 IV sets with needleless fittings and valves 68 1997
* 2008/0308,166 Connector/Device with Reflux Valves 0 2006
 
CHRYSLER CORPORATION (1)
* 5,365,906 Fluid flow check valve for fuel system 19 1993
 
COSCO MANAGEMENT, INC. (1)
6,568,557 Spill proof training cup 30 2001
 
STANFORD SURGICAL TECHNOLOGIES, INC. (2)
* 5,885,238 System for cardiac procedures 138 1995
* 5,702,368 System for cardiac procedures 263 1995
 
UGI Corporation (1)
* 5,234,027 Fluid flow inhibitor for use in a static flow system device 1 1992
 
ADVANCED CATHETER SYSTEMS, A CORP. OF CA. (1)
* 4,468,224 System and method for catheter placement in blood vessels of a human patient 284 1982
 
SHOLDERS, RONALD (1)
* 5,015,369 Assembly for filtering amniotic fluid 3 1990
 
B. Braun Medical Inc. (3)
* 5,618,268 Medical infusion devices and medicine delivery systems employing the same 46 1995
* 5,623,969 Normally closed aspiration valve 28 1995
* 5,697,904 Medical infusion devices and medicine delivery systems employing the same 35 1996
 
STEPHEN A. MOTISI, TRUSTEE OF THE STEPHEN A. MOTISI DECLARATION OF TRUST DATED APRIL 26, 2000 (1)
6,544,235 Valve for use with a catheter 6 2001
 
FILTERTEK INC. (2)
* 4,749,003 Center flow check valve 72 1987
* 4,966,199 Diaphragm-type center flow check valve 69 1989
 
Sophysa (1)
7,282,040 Gravitational pressure regulating mechanism 1 2002
 
CYTYC CORPORATION (4)
8,523,826 Luer-type needle-free valve fitting with bypass 1 2009
* 2010/0211,020 LUER-TYPE NEEDLE-FREE VALVE FITTING WITH BYPASS 4 2009
8,403,822 Passive vent for brachytherapy balloon catheters 0 2009
* 2010/0217,064 PASSIVE VENT FOR BRACHYTHERAPY BALLOON CATHETERS 1 2009
 
SIEMENS INFUSION SYSTEMS LEGAL DEPARTMENT (1)
* 4,646,781 Diaphragm valve for medication infusion pump 50 1986
 
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH (2)
6,371,942 Automatic manifold for vascular catheter 26 1998
6,638,258 Automatic manifold for vascular catheter 22 2001
 
GAMBRO LUNDIA AB (5)
* 7,422,565 Support element for an extracorporeal fluid transport line 2 2003
7,316,662 Infusion device for medical use 48 2003
* 2006/0058,774 Infusion device for medical use 1 2003
* 2005/0245,871 Support element for an extracorporeal fluid transport line 1 2003
8,728,020 Infusion apparatus 0 2007
 
LIFE TECHNOLOGIES CORPORATION (1)
7,384,783 Stirred-tank reactor system 28 2005
 
CAREFUSION 303, INC. (1)
6,206,860 Spikeless connection and drip chamber with valve 39 1998
 
EDWARDS LIFESCIENCES CORPORATION (12)
* 5,354,272 Improved injectate delivery system 55 1993
* 5,792,094 Method of delivering cardioplegic fluid to a patient's heart 140 1995
* 5,800,375 Catheter system and method for providing cardiopulmonary bypass pump support during heart surgery 126 1995
* 5,769,812 System for cardiac procedures 283 1996
* 6,090,096 Antegrade cardioplegia catheter and method 124 1997
* 6,159,178 Methods and devices for occluding the ascending aorta and maintaining circulation of oxygenated blood in the patient when the patient's heart is arrested 17 1998
6,248,086 Method for cannulating a patient's aortic arch and occluding the patient's ascending aortic arch 6 1998
6,398,752 Method of occluding a patient's ascending aorta and delivery cardioplegic fluid 126 1998
6,293,920 Catheter system and method for providing cardiopulmonary bypass pump support during heart surgery 16 1998
6,932,792 Antegrade cardioplegia catheter and method 56 2000
6,589,206 Methods and devices for occluding the ascending aorta and maintaining circulation of oxygenated blood in the patient when the patient's heart is arrested 13 2000
6,902,556 Methods and devices for occluding the ascending aorta and maintaining circulation oxygenated blood in the patient when the patient's heart is arrested 66 2002
 
BAXTER INTERNATIONAL INC. (13)
6,297,046 Multilayer gas-permeable container for the culture of adherent and non-adherent cells 43 1994
6,881,790 Polymeric compositions for medical packaging and devices 7 1995
6,399,704 Polymeric compositions for medical packaging and devices 35 1995
* 5,854,347 Polymeric compositions for medical packaging and devices 27 1995
* 5,686,527 Polymeric compositions for medical packaging and devices 41 1995
* 5,976,300 Method of sealing a port tube in a container 59 1997
* 6,024,220 Encapsulated seam for multilayer materials 30 1997
* 5,935,847 Multilayer gas-permeable container for the culture of adherent and non-adherent cells 33 1998
6,528,173 Coextruded multilayer films for sterilizable fluid containers 2 1998
6,391,404 Coextruded multilayer film materials and containers made therefrom 6 1998
* 2003/0077,466 Multilayered polymer structure 30 2001
* 2004/0122,414 Contoured tubing closure 3 2002
6,964,798 Multi-layered polymer based thin film structure for medical grade products 0 2002
 
Hospira, Inc. (1)
* 5,085,643 Syringe, adaptor, and check valve combination for parenteral infuser 30 1989
 
BURRON MEICAL INC. A CORP. OF PA (1)
* 4,535,820 Normally closed check valve 146 1984
 
Biomedica Mexicana, S.A. DE C.V. (1)
* 4,787,887 Ventricular by-pass valve for draining the cephalorachidian liquid in the hydrocephalus 8 1987
 
SOLOMON, FRED D. (1)
* 8,690,548 Mobile heat pump 0 2008
 
PACIFIC DEVICE, INC., A DELAWARE CORPORATION (2)
* 5,431,185 Manifold for infusing medical fluids 37 1994
* 5,738,662 Retrograde flow checked manifold for infusing medical fluids 17 1996
 
MKS INSTRUMENTS, INC. (1)
* 4,683,910 High-speed protective check valving for pressure transducers and the like 9 1986
 
W. L. GORE & ASSOCIATES, INC. (4)
6,960,189 Proximal catheter assembly allowing for natural and suction-assisted aspiration 7 2002
* 2003/0187,390 Proximal catheter assembly allowing for natural and suction-assisted aspiration 12 2002
7,004,931 Proximal catheter assembly having a self-limiting aspiration valve 21 2002
* 2003/0187,391 Proximal catheter assembly having a self-limiting aspiration valve 1 2002
 
HALKEY-ROBERTS CORPORATION (4)
6,988,510 Disc check valve 12 2003
* 2005/0257,838 DISC CHECK VALVE 9 2003
* 6,923,202 Modular pressure relief valve 4 2003
* 2006/0237,065 Disc check valve 7 2006
* Cited By Examiner