US Patent No: 5,776,091

Number of patents in Portfolio can not be more than 2000

Technique for priming and recirculating fluid through a dialysis machine to prepare the machine for use

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Importance

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Abstract

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A technique for automatically priming and recirculating sterile fluid through an extracorporeal circuit of a dialysis machine having a blood pump, a dialyzer, and a blood tubing set including an arterial line for drawing blood from a patient and a venous line for returning the blood to the patient. The dialysis machine selectively opens and closes clamps on the arterial and venous lines and further operates a waste valve for selectively opening and closing a waste line leading to a waste drain. A connector attaches both the arterial and venous lines to the waste line downstream of the arterial and venous clamps and upstream of the waste valve. The dialysis machine automatically operating the blood pump, the clamps and the waste valve to flush the dialyzer and the blood tubing set with the sterile fluid and direct the used fluid down the waste drain. The dialysis machine then operating the blood pump and the clamps to again fill the dialyzer and the blood tubing set with additional sterile fluid and recirculate the sterile fluid through the extracorporeal circuit without the assistance of a dialysis machine operator. The dialysis machine further providing the operator with an indication when the recirculation process is complete. The connector being either one component of the disposable blood tubing set or a permanent component fixed to the dialysis machine.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
GAMBRO RENAL PRODUCTS, INC.LAKEWOOD, CO57

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brugger, James Newburyport, MA 16 342
Hendrickson, Dan Lee Golden, CO 4 155
Hovland, Roy Sven Denver, CO 2 107

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Baxter Travenol Laboratories, Inc. (1)
4,293,413 Dialyzer blood circuit and bubble traps 41 1979
 
Cordis Dow Corp. (1)
4,209,391 Apparatus and method for automatically controlling hemodialysis at a pre-selected ultrafiltration rate 38 1978
 
GAMBRO RENAL PRODUCTS, INC. (1)
5,041,215 Dialysis unit priming 34 1989
 
HOSPAL MEDICAL CORPORATION (1)
4,334,988 Control of dialysis and ultrafiltration 12 1980
 
HOSPIRA, INC. (1)
5,498,338 Peritoneal dialysis system using reverse osmosis purification device 80 1994
 
SARCOS GROUP, A UT LIMITED PARTNERSHIP (1)
5,141,493 Peritoneal dialysis system 87 1990

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
BAXTER INTERNATIONAL INC. (21)
8,182,440 Dialysis machine having combination display and handle 3 2002
7,922,686 Systems and methods for performing peritoneal dialysis 0 2003
8,764,702 Dialysis system having dual patient line connection and prime 0 2007
7,892,331 Dialysis systems having air separation chambers with internal structures to enhance air removal 9 2007
7,892,332 Dialysis systems having air traps with internal structures to enhance air removal 6 2007
7,871,462 Dialysis systems having air separation chambers with internal structures to enhance air removal 0 2007
8,123,947 Priming and air removal systems and methods for dialysis 0 2007
8,444,587 Fluid and air handling in blood and dialysis circuits 0 2008
8,114,276 Personal hemodialysis system 2 2008
7,922,911 Systems and methods for peritoneal dialysis 0 2009
8,815,095 Peritoneal dialysis systems and methods that regenerate dialysate 0 2009
7,988,768 Dialysis systems having spiraling fluid air separation chambers 0 2010
8,382,711 Intravenous pumping air management systems and methods 0 2010
8,025,714 Dialysis systems and methods having vibration-aided air removal 0 2011
8,080,091 Dialysis systems and methods including cassette with fluid heating and air removal 1 2011
8,025,716 Fluid delivery systems and methods having floating baffle aided air removal 0 2011
8,329,030 Hemodialysis system with cassette and pinch clamp 0 2011
8,323,492 Hemodialysis system having clamping mechanism for peristaltic pumping 0 2011
8,221,529 Dialysis systems and methods including cassette with air removal 0 2011
8,834,719 Personal hemodialysis system 0 2011
8,834,403 Fluid and air handling in blood and dialysis circuits 0 2013
 
DEKA PRODUCTS LIMITED PARTNERSHIP (18)
8,292,594 Fluid pumping systems, devices and methods 7 2007
8,317,492 Pumping cassette 6 2007
8,273,049 Pumping cassette 9 2007
7,967,022 Cassette system integrated apparatus 21 2007
8,491,184 Sensor apparatus systems, devices and methods 4 2008
8,246,826 Hemodialysis systems and methods 9 2008
8,042,563 Cassette system integrated apparatus 17 2008
8,771,508 Dialyzer cartridge mounting arrangement for a hemodialysis system 0 2008
8,562,834 Modular assembly for a portable hemodialysis system 2 2008
8,425,471 Reagent supply for a hemodialysis system 4 2008
8,393,690 Enclosure for a portable hemodialysis system 4 2008
8,357,298 Hemodialysis systems and methods 5 2008
8,409,441 Blood treatment systems and methods 4 2009
8,459,292 Cassette system integrated apparatus 3 2011
8,499,780 Cassette system integrated apparatus 3 2011
8,721,884 Hemodialysis systems and methods 0 2012
8,545,698 Hemodialysis systems and methods 3 2012
8,721,879 Hemodialysis systems and methods 0 2013
 
GAMBRO LUNDIA AB (5)
7,393,337 Method of monitoring the operationality of a flow cut-off member and flow arresting system, for an extracorporeal fluid circuit 0 2003
7,935,258 Process and an apparatus for filling and/or rinsing an extracorporeal blood circuit 0 2005
8,021,319 Extracorporeal blood set 4 2005
8,529,487 Method and apparatus for priming an extracorporeal blood circuit 0 2007
7,935,072 Method of monitoring the operationality of a flow cut-off member and flow arresting system, for an extracorporeal fluid circuit 0 2008
 
BEST VASCULAR, INC. (3)
6,659,934 Automated system for the radiation treatment of a desired area within the body of a patient 2 1999
7,311,656 Automated system for the radiation treatment of a desired area within the body of a patient 0 2003
7,066,873 Automated system for the radiation treatment of a desired area within the body of a patient 4 2003
 
NXSTAGE MEDICAL, INC. (3)
6,290,665 Blood set priming method and apparatus 6 1998
6,387,069 Blood set priming method and apparatus 9 1999
7,166,084 Blood set priming method and apparatus 5 2002
 
THE REGENTS OF THE UNIVERSITY OF MICHIGAN (2)
6,561,997 Extracorporeal fluid circuit and related methods 67 2000
6,913,588 Extracorporeal fluid circuit and related methods 12 2003
 
ARS SERVICES, LLC (1)
7,207,733 Photographic developer effluent transfer station and drain wash 0 2004
 
Burris, Phillip F. (1)
6,539,252 Method and apparatus for the treatment of blood borne pathogens such as immunodeficiency virus 0 2000
 
FRESENIUS MEDICAL CARE HOLDINGS, INC. (1)
7,892,197 Automatic prime of an extracorporeal blood circuit 15 2007
 
GAMBRO HOSPAL (SCHWEIZ) AG (1)
7,147,616 Method for emptying a blood circuit of an apparatus for the extracorporeal treatment of blood 0 2001
 
GAMBRO RENAL PRODUCTS, INC. (1)
6,526,357 Associated parameter measuring and/or monitoring such as in the evaluation of pressure differences 7 2000
 
JMS CO. (1)
7,842,001 Automatic priming method 0 2006
 
JMS CO., LTD. (1)
6,491,658 Automated solution injection-discharge system and automated peritoneal dialysis system 19 2000
 
Shanghai Jiangxia Blood Technology Co., Ltd. (1)
7,686,777 Plasma lipids in-vitro filtering method and apparatus 0 2005
 
Other [Check patent profile for assignment information] (2)
6,027,469 Disinfecting system for hemodialysis apparatus 22 1998
8,366,649 Manually operated disposable single-needle circuit for extracorporeal treatment of blood 0 2009