Portable dialysis system and pump therefor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4443333
SERIAL NO

06305202

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system for dialyzing blood in which blood is passed through an exchange station to transfer toxic material across a semipermeable membrane to a dialyzate. Pump means are disclosed for simultaneously pumping a plurality of liquids through the system at different flow rates. The pump means is provided with mechanism for stopping the flow of dialyzate while retaining the blood pumping capability.

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First Claim

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mahurkar, Sakharam D 1926 W. Harrison St., Chicago, IL 60612 37 3940

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Hospal Medical Corporation (1)
* 4334988 Control of dialysis and ultrafiltration 12 1980
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (3)
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* 2002/0179,504 Portable hemodialyzer 0 2002
* 2006/0133,966 Transfer set for use with a pharmaceutical compounder 2 2006
 
NATIONAL QUALITY CARE, INC. (1)
* 2006/0241,543 METHOD FOR INSTALLING AND SERVICING A WEARABLE CONTINUOUS RENAL REPLACEMENT THERAPY DEVICE 27 2006
 
SHERWOOD SERVICES AG (1)
* 5489278 Catheter with elongated side openings 99 1995
 
HAEMONETICS CORPORATION (2)
6402702 Automatic whole blood collection system 14 2000
RE45315 Automatic blood collection system 0 2004
 
MOLON MOTOR AND COIL CORPORATION (1)
* 2011/0033,318 Single Motor Multiple Pumps 1 2010
 
FRESENIUS MEDICAL CARE HOLDINGS, INC. (39)
6960179 Wearable continuous renal replacement therapy device 51 2001
7597677 Wearable ultrafiltration device 23 2002
* 2003/0097,087 Wearable ultrafiltration device 30 2002
7645253 Wearable ultrafiltration device 46 2004
* 2004/0254,514 Wearable ultrafiltration device 7 2004
7309323 Wearable continuous renal replacement therapy device 45 2004
7854718 Dual-ventricle pump cartridge, pump and method of use in a wearable continuous renal replacement therapy device 3 2006
* 2007/0060,786 Dual-ventricle pump cartridge, pump and method of use in a wearable continuous renal replacement therapy device 52 2006
7896829 Wearable continuous renal replacement therapy device 16 2007
* 2007/0179,425 WEARABLE CONTINUOUS RENAL REPLACEMENT THERAPY DEVICE 15 2007
7828761 Wearable ultrafiltration device 4 2007
* 2008/0021,366 WEARABLE ULTRAFILTRATION DEVICE 15 2007
7896830 Wearable ultrafiltration device 45 2007
7892196 Wearable continuous renal replacement therapy device 1 2007
* 2008/0058,696 WEARABLE CONTINUOUS RENAL REPLACEMENT THERAPY DEVICE 15 2007
* 2008/0051,689 WEARABLE ULTRAFILTRATION DEVICE 20 2007
* 2009/0114,037 Photo-Acoustic Flow Meter 15 2008
8137299 Wearable ultrafiltration device 2 2009
* 2010/0022,936 WEARABLE ULTRAFILTRATION DEVICE 22 2009
8040493 Thermal flow meter 2 2009
* 2010/0116,048 Thermal Flow Meter 12 2009
8206331 Wearable ultrafiltration device 3 2009
* 2010/0094,193 WEARABLE ULTRAFILTRATION DEVICE 15 2009
8475399 Methods and systems for measuring and verifying additives for use in a dialysis machine 0 2010
9199022 Modular reservoir assembly for a hemodialysis and hemofiltration system 0 2010
* 2010/0331,754 Method and Systems for Controlling Ultrafiltration Using Central Venous Pressure Measurements 2 2010
* 2011/0142,700 DUAL-VENTRICLE PUMP CARTRIDGE, PUMP, AND METHOD OF USE IN A WEARABLE CONTINUOUS RENAL REPLACEMENT THERAPY DEVICE 1 2010
8597505 Portable dialysis machine 9 2011
8395761 Thermal flow meter 0 2011
9352282 Manifolds for use in conducting dialysis 0 2011
8771511 Disposable apparatus and kit for conducting dialysis 0 2012
9295772 Priming system and method for dialysis systems 0 2012
9360129 Valve system 0 2012
9358331 Portable dialysis machine with improved reservoir heating system 0 2012
9157786 Load suspension and weighing system for a dialysis machine reservoir 0 2012
9308307 Manifold diaphragms 0 2013
9517296 Portable dialysis machine 0 2013
9354640 Smart actuator for valve 0 2013
9415152 Disposable apparatus and kit for conducting dialysis 0 2014
 
COVIDIEN LP (7)
8187231 Catheterization system 3 2010
* 2010/0331,780 Catheterization System 18 2010
8876752 Dialysis catheter 1 2011
9072867 Catheter with external flow channel 0 2011
8747343 Hemodialysis catheter with improved side opening design 1 2011
8496622 Catheterization system 0 2012
9468461 Catheterization system 0 2013
 
Blue-White Industries (3)
7001153 Peristaltic injector pump leak monitor 16 2003
* 2004/0265,154 Peristaltic injector pump leak monitor 2 2003
7284964 Peristaltic injector pump leak monitor 1 2006
 
SCIMED LIFE SYSTEMS, INC. (1)
6620202 Medical stent with variable coil and related methods 33 2001
 
B. BRAUN MEDICAL, INC. (5)
7343224 Pharmaceutical compounding systems and methods and information management system for same 11 2003
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* 7171992 Pharmaceutical compounder 3 2006
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McLaughlin; William F. (1)
* 5464534 Blood fractionation system and method 11 1993
 
BAXTER INTERNATIONAL INC. (4)
8512553 Extracorporeal dialysis ready peritoneal dialysis machine 19 2007
* 2009/0008,306 EXTRACORPOREAL DIALYSIS READY PERITONEAL DIALYSIS MACHINE 22 2007
9440017 System and method for performing alternative and sequential blood and peritoneal dialysis modalities 0 2013
9227003 Hybrid blood and peritoneal dialysis treatment systems and methods 0 2013
 
SUDHA S. MAHURKAR TRUST (7)
* 5221255 Reinforced multiple lumen catheter 265 1991
* 6106500 Hypodermic needle assembly 8 1998
* 6156013 Safety syringe 22 1998
6206856 Safety syringe 226 2000
7481797 Retractable needle single use safety syringe 6 2006
7918821 Universal safety syringe 6 2009
* 2010/0286,609 UNIVERSAL SAFETY SYRINGE 6 2009
 
NAVILYST MEDICAL, INC. (4)
6280423 High flow rate dialysis catheters and related methods 96 1999
6595966 High flow rate dialysis catheters and related methods 66 2001
7410602 High flow rate dialysis catheters and related methods 9 2003
* 2003/0204,179 High flow rate dialysis catheters and related methods 17 2003
 
COVIDIEN AG (9)
* 5403291 Catheter with elongated side holes 113 1993
* 5348536 Coextruded catheter and method of forming 176 1993
7090654 Catheter with occlusion resistant tip 30 2003
* 2005/0070,842 Catheter with occlusion resistant tip 14 2003
7141035 Catheter with occlusion resistant tip 39 2003
* 2004/0193,102 Catheter with occlusion resistant tip 18 2003
7776005 Triple lumen catheter with occlusion resistant tip 11 2004
* 2005/0033,222 Triple lumen catheter with occlusion resistant tip 40 2004
* 2006/0116,629 Catheter insertion apparatus 6 2005
 
The Trustees of Columbia University in the City of New York (18)
* 2006/0076,295 Systems and methods of blood-based therapies having a microfluidic membraneless exchange device 29 2005
7727399 Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams 7 2007
7588550 Systems and methods of blood-based therapies having a microfluidic membraneless exchange device 19 2007
* 2008/0009,780 SYSTEMS AND METHODS OF BLOOD-BASED THERAPIES HAVING A MICROFLUIDIC MEMBRANELESS EXCHANGE DEVICE 36 2007
8496606 Fluid separation devices, systems and methods 0 2009
* 2011/0105,982 FLUID SEPARATION DEVICES, SYSTEMS AND METHODS 6 2009
8083706 Apparatus and systems for membraneless separation of fluids 3 2009
* 2010/0004,578 APPARATUS AND SYSTEMS FOR MEMBRANELESS SEPARATION OF FLUIDS 10 2009
7850633 Systems and methods of blood-based therapies having a microfluidic membraneless exchange device 4 2009
* 2009/0292,234 SYSTEMS AND METHODS OF BLOOD-BASED THERAPIES HAVING A MICROFLUIDIC MEMBRANELESS EXCHANGE DEVICE 11 2009
8097153 Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams 3 2010
8021318 Methods of blood-based therapies having a microfluidic membraneless exchange device 3 2010
8097162 Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams 6 2010
8092684 Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams 3 2010
* 2011/0066,097 SYSTEMS AND METHODS OF MICROFLUIDIC MEMBRANELESS EXCHANGE USING FILTRATION OF EXTRACTION OUTLET STREAMS 6 2010
8491516 Systems and methods for membraneless dialysis 1 2011
8257593 Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams 1 2011
8470180 Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams 0 2012
 
BOSTON SCIENTIFIC SCIMED, INC. (15)
6332892 Medical device with one or more helical coils 41 1999
6656146 Medical device with tail(s) 37 1999
6719804 Medical stent and related methods 29 2001
6991614 Ureteral stent for improved patient comfort 13 2003
* 2004/0059,279 Ureteral stent for improved patient comfort 5 2003
7037345 Medical stent with variable coil and related methods 19 2003
* 2004/0059,428 Medical stent with variable coil and related methods 0 2003
6945950 Ureteral stent with small bladder tail(s) 22 2003
* 2004/0092,857 Ureteral stent with small bladder tail(s) 4 2003
7291180 Medical stent and related methods 10 2004
* 2004/0186,552 Medical stent and related methods 5 2004
7678154 Ureteral stent for improved patient comfort 2 2006
* 2006/0122,707 Ureteral stent for improved patient comfort 2 2006
7951206 Medical stent 1 2007
8845752 Ureteral stent for improved patient comfort 0 2012
 
BOSTON SCIENTIFIC CORPORATION (1)
6849069 Medical device with tail(s) for assisting flow of urine 13 1996
* Cited By Examiner