Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5634896
SERIAL NO

08420196

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Pumping mechanisms for performing peritoneal dialysis and the like employ a pumping mechanism comprising a diaphragm that operate in response to applied fluid pressure. Flexible tubing is attached to the pumping mechanism for carrying liquid to and from the patient's peritoneal cavity. An actuating station for pumping mechanism receives the pumping mechanism and attached tubing. A pressure transfer element conveys fluid pressure to the diaphragm for moving liquid through the cassette. An occluder element contacts and crimps closed the tubing attached to the cassette. A first reservoir inflates with positive fluid pressure for contacting the pressure transfer element to hold it in operative contact against the diaphragm. A second reservoir inflates with positive fluid pressure for contacting the occluding element to hold it away from crimping contact with the tubing. At least one of the first and second reservoirs also transports fluid pressure to the pressure transfer element for conveyance to the diaphragm.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DEKA PRODUCTS LIMITED PARTNERSHIPMANCHESTER, NH583

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bouchard, Clement D Pembroke, NH 10 1015
Bryant, Robert J Manchester, NH 22 2029
Kamen, Dean Bedford, NH 254 6419
Lanigan, Richard Concord, NH 22 2744
Miller, Bradley D Londonderry, NH 15 1075
Spencer, Geoffrey P Manchester, NH 24 1571
Vincent, Douglas E Manchester, NH 15 2031

Cited Art Landscape

Patent Info (Count) # Cites Year
 
BAXTER INTERNATIONAL INC. (1)
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BAXTER TRAVENOL LABORATORIES, INC., A CORP. OF DE (2)
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SURGIN SURGICAL INSTRUMENTATION, INC. (1)
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Nestle S.A. (1)
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DEKA PRODUCTS LIMITED PARTNERSHIP (3)
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* 5431626 Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure 254 1993
* 5421823 Peritoneal dialysis methods that emulate gravity flow 250 1994
 
I-FLOW CORPORATION (1)
* 4950245 Multiple fluid cartridge and pump 98 1988
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
WALKMED INFUSION LLC (2)
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* 2010/0106,091 AMBULATORY INFUSION PUMP ASSEMBLY AND HOUSING THEREFOR 1 2009
 
Other [Check patent profile for assignment information] (4)
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Michelle Saquet Temple DEKA Research & Development Corporation (2)
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DEKA Research & Development (1)
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9624915 Medical fluid delivery sets and related systems and methods 0 2012
9011114 Medical fluid delivery sets and related systems and methods 0 2012
9180240 Medical fluid pumping systems and related devices and methods 0 2012
8986254 Medical fluid pump systems and related components and methods 0 2012
9610392 Medical fluid cassettes and related systems and methods 0 2012
9500188 Medical fluid cassettes and related systems and methods 0 2012
9561323 Medical fluid cassette leak detection methods and devices 0 2013
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9713664 Nuclear magnetic resonance module for a dialysis machine 0 2013
9597439 Medical fluid sensing and concentration determination using radio frequency energy and a magnetic field 0 2013
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HONEYWELL INTERNATIONAL INC. (4)
7789851 Heating solutions for fluid media 0 2008
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TANDEM DIABETES CARE, INC. (9)
9211377 Infusion pump system with disposable cartridge having pressure venting and pressure feedback 3 2010
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8298184 Infusion pump system with disposable cartridge having pressure venting and pressure feedback 26 2011
9180242 Methods and devices for multiple fluid transfer 1 2012
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9421329 Infusion device occlusion detection system 0 2013
9750871 Pump device with multiple medicament reservoirs 0 2015
 
VALERITAS, INC. (9)
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8361053 Multi-cartridge fluid delivery device 0 2011
9687599 Multi-cartridge fluid delivery device 0 2014
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MALLINCKRODT HOSPITAL PRODUCTS IP LIMITED (1)
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VALERITAS, LLC (1)
8821443 Multi-cartridge fluid delivery device 0 2012
 
Lifeline Scientific, Inc. (1)
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6666665 Fluid delivery mechanism having a plurality of plungers for compressing a metering chamber 22 1999
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7007824 Liquid dispenser and flexible bag therefor 15 2003
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* 2005/0234,385 Blood processing systems with fluid flow cassette with a pressure actuated pump chamber and in-line air trap 45 2004
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7410475 Graphical user interface for automated dialysis system 65 2006
7815595 Automated dialysis pumping system 73 2006
8323231 Method and apparatus for monitoring and controlling peritoneal dialysis therapy 1 2006
8298170 Method of making a peritoneal dialysis therapy machine 1 2006
* 2007/0213,654 METHOD OF MAKING A PERITONEAL DIALYSIS THERAPY MACHINE 24 2006
8870812 Dialysis system having video display with ambient light adjustment 6 2007
8558964 Dialysis system having display with electromagnetic compliance (“EMC”) seal 8 2007
8361023 Dialysis system with efficient battery back-up 2 2007
7998115 Dialysis system having optical flowrate detection 8 2007
7731689 Dialysis system having inductive heating 2 2007
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8715235 Dialysis system having disposable cassette and heated cassette interface 1 2007
* 7957927 Temperature compensation for pneumatic pumping system 1 2007
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* 2009/0012,447 TEMPERATURE COMPENSATION FOR PNEUMATIC PUMPING SYSTEM 56 2007
* 2009/0012,461 DIALYSIS SYSTEM HAVING DISPOSABLE CASSETTE AND HEATED CASSETTE INTERFACE 67 2007
* 2009/0012,460 DIALYSIS CASSETTE HAVING MULTIPLE OUTLET VALVE 56 2007
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* 2009/0194,489 Blood Processing Systems And Methods That Employ An In-Line Flexible Leukofilter 3 2009
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8529496 Peritoneal dialysis machine touch screen user interface 1 2010
8858488 Dialysis system including blood and dialysate cassette 4 2010
* 2011/0009,797 DIALYSIS SYSTEM INCLUDING BLOOD AND DIALYSATE CASSETTE 45 2010
8172789 Peritoneal dialysis system having cassette-based-pressure-controlled pumping 0 2010
8075526 Automated dialysis system including a piston and vacuum source 25 2010
8066671 Automated dialysis system including a piston and stepper motor 35 2010
9283312 Dialysis system and method for cassette-based pumping and valving 0 2011
8506522 Peritoneal dialysis machine touch screen user interface 0 2011
8992462 Systems and methods for performing peritoneal dialysis 0 2011
8328758 Dialysis systems and methods having disposable cassette and interface therefore 5 2011
* 2011/0166,507 DIALYSIS SYSTEMS AND METHODS HAVING DISPOSABLE CASSETTE AND INTERFACE THEREFORE 16 2011
8868357 Temperature compensation for pneumatic pumping system 0 2011
* 2011/0218,486 TEMPERATURE COMPENSATION FOR PNEUMATIC PUMPING SYSTEM 2 2011
8882692 Hemodialysis system with multiple cassette interference 1 2011
8329030 Hemodialysis system with cassette and pinch clamp 3 2011
8323492 Hemodialysis system having clamping mechanism for peristaltic pumping 11 2011
8376999 Automated dialysis system including touch screen controlled mechanically and pneumatically actuated pumping 3 2011
8900174 Peritoneal dialysis machine 5 2011
8932032 Diaphragm pump and pumping systems 0 2012
8679054 Pumping systems for cassette-based dialysis 0 2012
9675744 Method of operating a disposable pumping unit 0 2012
9474842 Method and apparatus for monitoring and controlling peritoneal dialysis therapy 0 2012
9387286 Dialysis system including peristaltic tubing pumping cassette 0 2013
8684971 Automated dialysis system using piston and negative pressure 1 2013
9511180 Stepper motor driven peritoneal dialysis machine 0 2013
9775939 Peritoneal dialysis systems and methods having graphical user interface 0 2013
9690905 Dialysis treatment prescription system and method 0 2013
9582645 Networked dialysis system 0 2013
8740836 Pumping systems for cassette-based dialysis 0 2013
8740837 Pumping systems for cassette-based dialysis 0 2013
9744283 Automated dialysis system using piston and negative pressure 0 2014
9168333 Dialysis system including disposable cassette 0 2014
9697334 Dialysis system having approved therapy prescriptions presented for selection 0 2016
9675745 Dialysis systems including therapy prescription entries 0 2016
 
BAXTER HEALTHCARE SA (14)
7107837 Capacitance fluid volume measurement 66 2002
7175606 Disposable medical fluid unit having rigid frame 112 2002
7153286 Automated dialysis system 142 2002
* 7115228 One-piece tip protector and organizer 65 2002
7087036 Fail safe system for operating medical fluid valves 54 2002
6939111 Method and apparatus for controlling medical fluid pressure 64 2002
6929751 Vented medical fluid tip protector methods 109 2002
6814547 Medical fluid pump 199 2002
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KUFBAG, INCORPORATED (1)
D615191 Disposable fluid handling cassette 9 2009
 
THE COMFORT GROUP, INC. (2)
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ICU MEDICAL, INC. (7)
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GAMBRO AB (1)
* 2004/0215,129 Method and cycler for the administration of a peritoneal dialysis fluid 19 2003
 
DEKA PRODUCTS LIMITED PARTNERSHIP (110)
* 6905479 Pumping cartridge having an integrated filter and method for filtering a fluid with the cartridge 122 1999
6877713 Tube occluder and method for occluding collapsible tubes 122 1999
6604908 Methods and systems for pulsed delivery of fluids from a pump 162 1999
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6749403 Methods for controlling a pump's flow rate by pulsed discharge 147 2003
8158102 System, device, and method for mixing a substance with a liquid 1 2003
7662139 Pump cassette with spiking assembly 10 2003
7632078 Pump cassette bank 57 2003
7632080 Bezel assembly for pneumatic control 59 2003
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7354190 Two-stage mixing system, apparatus, and method 1 2003
* 2005/0095,153 Pump cassette bank 15 2003
* 2005/0095,152 Door locking mechanism 13 2003
* 2005/0095,576 System, device, and method for mixing a substance with a liquid 1 2003
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* 2005/0095,154 Bezel assembly for pneumatic control 65 2003
* 2005/0094,485 System, device, and method for mixing liquids 3 2003
* 2004/0091,374 Pump chamber having at least one spacer for inhibiting the pumping of a gas 79 2003
7559524 Tube occluder for occluding collapsible tubes 82 2004
* 2005/0069,425 Tube occluder for occluding collapsible tubes 93 2004
7421316 Method and device for regulating fluid pump pressures 20 2004
* 2005/0118,038 Method and device for regulating fluid pump pressures 15 2004
8292594 Fluid pumping systems, devices and methods 65 2007
* 2008/0058,697 Heat exchange systems, devices and methods 89 2007
8888470 Pumping cassette 15 2007
8366655 Peritoneal dialysis sensor apparatus systems, devices and methods 25 2007
8317492 Pumping cassette 41 2007
8273049 Pumping cassette 53 2007
7967022 Cassette system integrated apparatus 74 2007
* 2008/0208,103 Pumping Cassette 107 2007
8821475 System and method for delivering a target volume of fluid 4 2007
8491184 Sensor apparatus systems, devices and methods 36 2008
8246826 Hemodialysis systems and methods 47 2008
8042563 Cassette system integrated apparatus 51 2008
7853362 Method and device for regulating fluid pump pressures 0 2008
9028691 Blood circuit assembly for a hemodialysis system 16 2008
8863772 Occluder for a medical infusion system 15 2008
8771508 Dialyzer cartridge mounting arrangement for a hemodialysis system 18 2008
8562834 Modular assembly for a portable hemodialysis system 36 2008
8425471 Reagent supply for a hemodialysis system 28 2008
8393690 Enclosure for a portable hemodialysis system 29 2008
8357298 Hemodialysis systems and methods 35 2008
9358332 Pump cassette and methods for use in medical treatment system using a plurality of fluid lines 1 2009
9248225 Medical treatment system and methods using a plurality of fluid lines 3 2009
9028440 Fluid flow occluder and methods of use for medical treatment systems 5 2009
9022969 Fluid line autoconnect apparatus and methods for medical treatment system 3 2009
8840581 Disposable components for fluid line autoconnect systems and methods 8 2009
D664660 Dialysis machine 16 2009
D631548 Door for dialysis machine 13 2009
D629906 Interface for dialysis machine 13 2009
D623289 Disposable fluid handling cassette 1 2009
D616539 Disposable fluid handling cassette 17 2009
D615189 Disposable fluid handling cassette 4 2009
D615190 Membrane for fluid handling cassette 2 2009
7766301 Tube occluder and method for occluding collapsible tubes 25 2009
* 2009/0202,367 TUBE OCCLUDER AND METHOD FOR OCCLUDING COLLAPSIBLE TUBES 50 2009
8409441 Blood treatment systems and methods 61 2009
D650896 Disposable fluid handling cassette 7 2009
8950728 Devices and methods for occluding a flexible tube 0 2010
* 2010/0234,809 Devices and Methods For Occluding a Flexible Tube 3 2010
8366316 Sensor apparatus systems, devices and methods 31 2010
8556225 Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas 9 2010
* 2010/0296,953 PUMP CHAMBER CONFIGURED TO CONTAIN A RESIDUAL FLUID VOLUME FOR INHIBITING THE PUMPING OF A GAS 44 2010
D663844 Door for dialysis machine 13 2011
8968232 Heat exchange systems, devices and methods 18 2011
8459292 Cassette system integrated apparatus 42 2011
8708950 Medical treatment system and methods using a plurality of fluid lines 6 2011
8499780 Cassette system integrated apparatus 50 2011
9649418 Pumping cassette 1 2012
9724458 Hemodialysis system 0 2012
9517295 Blood treatment systems and methods 2 2012
9364655 Flexible tubing occlusion assembly 6 2012
8721884 Hemodialysis systems and methods 21 2012
8545698 Hemodialysis systems and methods 27 2012
8992075 Sensor apparatus systems, devices and methods 15 2012
8992189 Cassette system integrated apparatus 15 2012
9272082 Pumping cassette 10 2012
8870549 Fluid pumping systems, devices and methods 19 2012
9078971 Medical treatment system and methods using a plurality of fluid lines 3 2012
8926294 Pumping cassette 15 2012
8721879 Hemodialysis systems and methods 35 2013
9539379 Enclosure for a portable hemodialysis system 2 2013
8985133 Cassette system integrated apparatus 15 2013
9302037 Hemodialysis systems and methods 8 2013
9494150 Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas 0 2013
9597442 Air trap for a medical infusion device 2 2013
9115709 Fluid pumping apparatus for use with a removable fluid pumping cartridge 5 2014
9555179 Hemodialysis systems and methods 1 2014
9366781 Medical treatment system and methods using a plurality of fluid lines 0 2014
9115708 Fluid balancing systems and methods 16 2014
9593678 System, method, and apparatus for utilizing a pumping cassette 0 2014
9488167 System, method, and apparatus for utilizing a pumping cassette 0 2014
9222472 System, method, and apparatus for utilizing a pumping cassette 0 2014
9494151 System, method, and apparatus for utilizing a pumping cassette 0 2014
9039395 System, method, and apparatus for utilizing a pumping cassette 5 2014
9713667 System and method for delivering a target volume of fluid 0 2014
9561317 System and method for delivering a target volume of fluid 0 2014
9561318 System and method for delivering a target volume of fluid 0 2014
9603985 Blood treatment systems and methods 0 2014
9700660 Pumping cassette 0 2015
9677554 Cassette system integrated apparatus 0 2015
9535021 Sensor apparatus systems, devices and methods 2 2015
9593679 Fluid pumping apparatus for use with a removable fluid pumping cartridge 0 2015
9700711 Flexible tubing occlusion assembly 0 2016
 
Baxter S.A. (1)
9504778 Dialysis machine with electrical insulation for variable voltage input 0 2013
* Cited By Examiner