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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Patent Owner(s)

Patent OwnerAddressTotal Patents
B. BRAUN MEDICAL, INC.BETHLEHEM, PA157

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raines, Kenneth Bethlehem, PA 18 556

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Baxter Travenol Laboratories, Inc. (1)
4,222,407 One-way flex valve 49 1978
 
The West Company (1)
4,244,378 Pressure responsive one-way valve for medical systems 36 1978

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
EDWARDS LIFESCIENCES CORPORATION (12)
5,354,272 Improved injectate delivery system 50 1993
5,792,094 Method of delivering cardioplegic fluid to a patient's heart 110 1995
5,800,375 Catheter system and method for providing cardiopulmonary bypass pump support during heart surgery 100 1995
5,769,812 System for cardiac procedures 190 1996
6,090,096 Antegrade cardioplegia catheter and method 97 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 13 1998
6,248,086 Method for cannulating a patient's aortic arch and occluding the patient's ascending aortic arch 5 1998
6,398,752 Method of occluding a patient's ascending aorta and delivery cardioplegic fluid 84 1998
6,293,920 Catheter system and method for providing cardiopulmonary bypass pump support during heart surgery 13 1998
6,932,792 Antegrade cardioplegia catheter and method 48 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 3 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 21 2002
 
BAXTER INTERNATIONAL INC. (11)
6,297,046 Multilayer gas-permeable container for the culture of adherent and non-adherent cells 25 1994
6,881,790 Polymeric compositions for medical packaging and devices 6 1995
6,399,704 Polymeric compositions for medical packaging and devices 33 1995
5,854,347 Polymeric compositions for medical packaging and devices 25 1995
5,686,527 Polymeric compositions for medical packaging and devices 39 1995
5,976,300 Method of sealing a port tube in a container 48 1997
6,024,220 Encapsulated seam for multilayer materials 26 1997
5,935,847 Multilayer gas-permeable container for the culture of adherent and non-adherent cells 26 1998
6,528,173 Coextruded multilayer films for sterilizable fluid containers 1 1998
6,391,404 Coextruded multilayer film materials and containers made therefrom 6 1998
6,964,798 Multi-layered polymer based thin film structure for medical grade products 0 2002
 
B. BRAUN MEDICAL, INC. (3)
5,618,268 Medical infusion devices and medicine delivery systems employing the same 40 1995
5,623,969 Normally closed aspiration valve 19 1995
5,697,904 Medical infusion devices and medicine delivery systems employing the same 29 1996
 
CYTYC CORPORATION (2)
8,523,826 Luer-type needle-free valve fitting with bypass 0 2009
8,403,822 Passive vent for brachytherapy balloon catheters 0 2009
 
FILTERTEK INC. (2)
4,749,003 Center flow check valve 61 1987
4,966,199 Diaphragm-type center flow check valve 53 1989
 
GAMBRO LUNDIA AB (2)
7,422,565 Support element for an extracorporeal fluid transport line 1 2003
7,316,662 Infusion device for medical use 31 2003
 
HALKEY-ROBERTS CORPORATION (2)
6,988,510 Disc check valve 5 2003
6,923,202 Modular pressure relief valve 2 2003
 
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH (2)
6,371,942 Automatic manifold for vascular catheter 18 1998
6,638,258 Automatic manifold for vascular catheter 15 2001
 
PACIFIC DEVICE, INC., A DELAWARE CORPORATION (2)
5,431,185 Manifold for infusing medical fluids 30 1994
5,738,662 Retrograde flow checked manifold for infusing medical fluids 12 1996
 
STANFORD SURGICAL TECHNOLOGIES, INC. (2)
5,885,238 System for cardiac procedures 112 1995
5,702,368 System for cardiac procedures 196 1995
 
W. L. GORE & ASSOCIATES, INC. (2)
6,960,189 Proximal catheter assembly allowing for natural and suction-assisted aspiration 1 2002
7,004,931 Proximal catheter assembly having a self-limiting aspiration valve 7 2002
 
ADVANCED CATHETER SYSTEMS, A CORP. OF CA. (1)
4,468,224 System and method for catheter placement in blood vessels of a human patient 246 1982
 
Biomedica Mexicana, S.A. DE C.V. (1)
4,787,887 Ventricular by-pass valve for draining the cephalorachidian liquid in the hydrocephalus 7 1987
 
BURRON MEICAL INC. A CORP. OF PA (1)
4,535,820 Normally closed check valve 134 1984
 
CAREFUSION 303, INC. (1)
6,206,860 Spikeless connection and drip chamber with valve 29 1998
 
CHRYSLER CORPORATION (1)
5,365,906 Fluid flow check valve for fuel system 18 1993
 
COSCO MANAGEMENT, INC. (1)
6,568,557 Spill proof training cup 26 2001
 
HOSPIRA, INC. (1)
5,085,643 Syringe, adaptor, and check valve combination for parenteral infuser 27 1989
 
HYCLONE LABORATORIES, INC. (1)
7,384,783 Stirred-tank reactor system 13 2005
 
MKS INSTRUMENTS, INC. (1)
4,683,910 High-speed protective check valving for pressure transducers and the like 9 1986
 
SHOLDERS, RONALD (1)
5,015,369 Assembly for filtering amniotic fluid 3 1990
 
SIEMENS INFUSION SYSTEMS LEGAL DEPARTMENT (1)
4,646,781 Diaphragm valve for medication infusion pump 44 1986
 
SOLOMON, FRED D. (1)
8,690,548 Mobile heat pump 0 2008
 
SOPHYSA (1)
7,282,040 Gravitational pressure regulating mechanism 0 2002
 
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 2 2001
 
UGI Corporation (1)
5,234,027 Fluid flow inhibitor for use in a static flow system device 1 1992
 
Other [Check patent profile for assignment information] (4)
4,838,875 Method and apparatus for dealing with intravenous fluids 47 1987
5,041,087 Needle-less parenteral fluid injector 54 1990
6,068,617 Needleless valve for use in intravenous infusion 55 1997
6,106,502 IV sets with needleless fittings and valves 55 1997