Method and apparatus for kidney dialysis

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5247434
SERIAL NO

07688174

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include checking of dialysate bypass status using flow measurement; using a flow sensor to confirm the absence of ultrafiltration during bypass; automatic testing of ultrafiltration function by removal of a discrete volume from a portion of the dialysate flow path coupled with a pressure test of that part of the flow path; using a touch screen user interface; bar graph profile programming of ultrafiltration, sodium, and bicarbonate parameters; using a RAM card to upload treatment instructions to, and to download treatment data from, the machine; automatic setting of proportioning mode (acetate or bicarbonate) based on connections of concentrate lines; predicting dialysate conductivity values based on brand and formulation of concentrates; minimizing no-flow dead time between dialysate pulses; initiating operation in a timed mode from a machine power-off condition; preserving machine mode during machine power-fail condition; calibration scheduling and reminding; automatic level adjusting; and blood leak flow rate detecting.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BAXTER INTERNATIONAL INC.DEERFIELD, IL957

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hogard, Michael E Oregon City, OR 29 1613
Johnson, Harley D Portland, OR 14 1237
Kelly, Thomas D Portland, OR 57 2144
Long, Jean M Portland, OR 2 486
Peterson, Bruce A Milwaukie, OR 37 1779
Preston, Jr William G Portland, OR 9 986

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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* Cited By Examiner

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
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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
8409441 Blood treatment systems and methods 59 2009
8366316 Sensor apparatus systems, devices and methods 30 2010
* 2010/0327,849 SENSOR APPARATUS SYSTEMS, DEVICES AND METHODS 47 2010
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 49 2011
9649418 Pumping cassette 1 2012
9724458 Hemodialysis system 0 2012
9717834 Blood treatment systems and methods 0 2012
9517295 Blood treatment systems and methods 2 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
9494151 System, method, and apparatus for utilizing a pumping cassette 0 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
* Cited By Examiner