US Patent No: 5,591,344

Number of patents in Portfolio can not be more than 2000

Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof

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Abstract

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A dialysis machine is disclosed that incorporates a water treatment module, a dialysate preparation module having a dialysate circuit, and an extracorporeal circuit including a dialyzer and arterial and venous blood lines that connect to the patient. The machine accomplishes on-line disinfection of all the fluid circuits of the machine, including the water treatment module, the dialysate preparation module and extracorporeal circuit, the arterial and venous lines, and the dialyzer, by circulating water heated to a high level disinfection temperature (e.g., 80 degrees C.) through the fluid passages of the machine for a sufficient time (such as an hour) to achieve high level disinfection. After the dialysis session is ended, the patient connects the arterial and venous lines to ports in a disinfection manifold that places the arterial and venous lines into fluid communication with the heated water. Thereafter, the machine is ready to disinfect the fluid circuits including the extracorporeal circuit. In a preferred embodiment, the ports of the disinfection manifold ports include recessed features that permit the hot water to circulate on the interior and exterior surfaces of the arterial and venous line connectors, thereby insuring that the surfaces of connectors themselves are also disinfected.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HHD LLC, A DELAWARE LIMITED LIABILITY COMPANYLINCOLNSHIRE, IL44

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adolf, Wayne F Mount Prospect, IL 13 507
Feldsein, Thomas M Palatine, IL 10 582
Kenley, Rodney S Libertyville, IL 29 964
Pawlak, Kenneth E Vernon Hills, IL 18 576
Peter, Jr Frederick H Barrington, IL 12 637
Roettger, Linda Marblehead, MA 1 126
Treu, Dennis M Bedford, NH 102 2185

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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FRESENIUS AG (2)
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GAMBRO LUNDIA AB (2)
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5,259,961 Method and assembly for the on-line flushing and filling of an extracorporeal blood circulation system of dialysis machines 37 1992
 
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MINNTECH CORPORATION (1)
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UNIVERSITY OF WASHINGTON (1)
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WALTERS, CYNTHIA P. (1)
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Other [Check patent profile for assignment information] (4)
4,444,597 Automated cleaning method for dialyzers 56 1982
4,610,782 Hemodialysis system having a thermoinsulated container 22 1984
5,045,096 Devices for de-aerating liquids flowing in medical liquid systems 48 1989
5,336,165 Artificial kidney for frequent (daily) Hemodialysis 75 1991

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
BAXTER INTERNATIONAL INC. (26)
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8,206,338 Pumping systems for cassette-based dialysis 3 2007
8,105,266 Mobile dialysis system having supply container detection 4 2007
7,892,423 Dialysis system including multi-heater power coordination 1 2008
8,206,339 System for monitoring and controlling peritoneal dialysis 0 2009
8,070,709 Peritoneal dialysis machine 5 2009
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8,529,496 Peritoneal dialysis machine touch screen user interface 0 2010
8,172,789 Peritoneal dialysis system having cassette-based-pressure-controlled pumping 0 2010
8,075,526 Automated dialysis system including a piston and vacuum source 6 2010
8,066,671 Automated dialysis system including a piston and stepper motor 11 2010
8,506,522 Peritoneal dialysis machine touch screen user interface 0 2011
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8,313,642 Dialysis system including wireless patient data and trending and alert generation 0 2011
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8,733,178 Pressure sensing assembly and method for an infusion pump 0 2012
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8,679,054 Pumping systems for cassette-based dialysis 0 2012
8,684,971 Automated dialysis system using piston and negative pressure 0 2013
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8,740,836 Pumping systems for cassette-based dialysis 0 2013
8,740,837 Pumping systems for cassette-based dialysis 0 2013
 
DEKA PRODUCTS LIMITED PARTNERSHIP (15)
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8,317,492 Pumping cassette 5 2007
8,273,049 Pumping cassette 8 2007
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8,562,834 Modular assembly for a portable hemodialysis system 1 2008
8,425,471 Reagent supply for a hemodialysis system 3 2008
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8,409,441 Blood treatment systems and methods 3 2009
8,459,292 Cassette system integrated apparatus 2 2011
8,499,780 Cassette system integrated apparatus 2 2011
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8,545,698 Hemodialysis systems and methods 2 2012
8,721,879 Hemodialysis systems and methods 0 2013
 
NXSTAGE MEDICAL, INC. (14)
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6,165,149 Reusable blood lines 15 1997
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8,460,558 Batch filtration system for preparation of sterile fluid for renal replacement therapy 0 2012
8,545,428 Filtration system for preparation of fluids for medical applications 0 2012
 
HHD LLC, A DELAWARE LIMITED LIABILITY COMPANY (12)
5,651,893 Disinfection of dialysis machine 50 1996
5,932,110 Dialysate conductivity adjustment in a batch dialysate preparation system 30 1996
5,858,239 Methods and apparatus for adjustment of blood drip chamber of dialysis machines using touchscreen interface 35 1997
5,788,851 User interface and method for control of medical instruments, such as dialysis machines 54 1997
6,146,523 User interface and method for control of medical instruments, such as dialysis machines 61 1998
6,044,691 Blood tubing set integrity tests for extracorporeal circuits 44 1998
6,136,201 Method of preparation of batch of physiologic solution 38 1998
6,153,102 Disinfection of dead-ended lines in medical instruments 21 1999
6,691,047 Calibration of pumps, such as blood pumps of dialysis machine 49 2000
6,280,634 Method of determining system volume of a dialysis machine 9 2000
6,868,309 Dialysis machine with symmetric multi-processing (SMP) control system and method of operation 32 2001
8,562,908 Devices, systems, and methods for cleaning, disinfecting, rinsing, and priming blood separation devices and associated fluid lines 0 2007
 
FRESENIUS MEDICAL CARE HOLDINGS, INC. (10)
7,892,197 Automatic prime of an extracorporeal blood circuit 15 2007
8,580,112 Dialysis systems and methods 0 2008
8,663,463 Extracorporeal fluid circuit and related components 0 2009
D611152 Dialysis system sorbent cartridge mount 2 2009
8,631,683 Dialysis systems including non-invasive multi-function sensor systems 0 2009
8,500,994 Dialysis systems and methods 0 2010
8,449,686 Methods for cleaning a drain line of a dialysis machine 0 2010
8,784,668 Systems and methods for compensation of compliant behavior in regenerative dialysis systems 0 2010
8,506,684 Gas release devices for extracorporeal fluid circuits and related methods 0 2010
8,343,346 Dialysis systems and related components 0 2011
 
BAXTER HEALTHCARE SA, SINGAPORE BRANCH (4)
7,544,301 Citrate-based dialysate chemical formulations 4 2004
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8,202,547 Citrate-based dialysate chemical formulations 0 2011
8,414,768 Citrate-based dialysate chemical formulations 1 2012
 
GENERAL ELECTRIC COMPANY (4)
7,776,209 Control method and apparatus for a water treatment system 0 2005
7,718,054 Water treatment system 2 2005
7,670,485 Water treatment assembly 2 2005
7,988,852 Water treatment assembly 0 2010
 
THE COMFORT GROUP, INC. (4)
6,197,197 Method for fluid delivery in a dialysis clinic 4 1998
6,251,279 Heat disinfection of a water supply 10 1999
6,506,301 Apparatus for fluid delivery in a dialysis clinic 0 2000
6,616,839 Portable water treatment facility 3 2000
 
ADVANCED RENAL TECHNOLOGIES (3)
6,610,206 Buffered compositions for dialysis 23 1999
7,670,491 Buffered compositions for dialysis 2 2003
7,862,530 High citrate dialysate and uses thereof 0 2004
 
COVIDIEN LP (3)
8,207,651 Low energy or minimum disturbance method for measuring frequency response functions of ultrasonic surgical devices in determining optimum operating point 8 2009
8,390,169 Low energy or minimum disturbance method for measuring frequency response functions of ultrasonic surgical devices in determining optimum operating point 0 2012
8,569,925 Low energy or minimum disturbance method for measuring frequency response functions of ultrasonic surgical devices in determining optimum operating point 0 2013
 
GE HEALTHCARE BIO-SCIENCES CORP. (3)
8,298,054 System and method for manufacturing 0 2005
7,629,167 Disposable bioreactor systems and methods 8 2005
7,819,934 Environmental containment systems 2 2007
 
ATMI PACKAGING, INC. (2)
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8,123,199 Bioreactor 2 2010
 
GAMBRO LUNDIA AB (2)
8,747,342 Air separator for extracorporeal fluid treatment sets 0 2006
8,679,326 Medical apparatus for extracorporeal treatment 0 2008
 
GAMBRO RENAL PRODUCTS, INC. (2)
5,685,835 Technique for using a dialysis machine to disinfect a blood tubing set 11 1995
5,948,251 Technique for using a dialysis machine to disinfect a blood tubing set 17 1997
 
MEDICAL VISION RESEARCH & DEVELOPMENT AB (2)
7,661,582 Medical indication device and identification method 5 2003
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SORIN GROUP DEUTSCHLAND GMBH (2)
7,961,156 Display and control device for medical equipment 1 2004
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STRATTEC POWER ACCESS LLC (2)
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7,243,461 Hinge mechanism for a sliding door 9 2004
 
TERUMO BCT, INC. (2)
6,280,406 Extracorporeal blood processing system 40 1998
6,764,460 Extracorporeal blood processing system 36 2001
 
AISIN SEIKI KABUSHIKI KAISHA (1)
6,397,523 Drive device for a vehicle slide door 10 1999
 
B. BRAUN MEDICAL, INC. (1)
8,486,019 Patient medication IV delivery pump with wireless communication to a hospital information management system 0 2009
 
EVOQUA WATER TECHNOLOGIES LLC (1)
8,045,849 Water treatment system and process 0 2006
 
FRESENIUS AG (1)
5,808,181 Method for testing a filter in a dialysis system 65 1996
 
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH (1)
7,947,180 Method for the air bubble-free filing of the blood-containing end of a hemodialyzer with a physiological electrolyte solution 0 2006
 
MEDIVATORS INC. (1)
6,192,900 Method of cleaning a dialyzer header 10 1999
 
MINNTECH CORPORATION (1)
6,050,278 Dialyzer precleaning system 13 1999
 
NIPRO CORPORATION (1)
7,722,557 Blood purification apparatus 0 2005
 
NORIAKI TANAKA (1)
6,655,394 Method and apparatus for reprocessing dialyzers 1 1998
 
RENAL SOLUTIONS, INC. (1)
7,981,280 Recirculation of blood in an extracorporeal blood treatment system 7 2006
 
TEIJIN LIMITED (1)
6,355,161 Bottles for dialysis machines and method for automatically identifying such bottles 2 2000
 
Teredesai, Pradip (1)
8,491,793 Software program that provides a structured format and verification of date entered via a touch screen tablet that records the status and performance of water purification equipment that is used for dialysis treatments 0 2011
 
WATER VAULT, INC. (1)
6,228,255 Portable water treatment facility 27 1998
 
Other [Check patent profile for assignment information] (1)
8,836,519 Determining the absence or presence of fluid in a dialysis system 0 2012