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, IL994

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hogard, Michael E Oregon City, OR 29 1420
Johnson, Harley D Portland, OR 14 1115
Kelly, Thomas D Portland, OR 57 1878
Long, Jean M Portland, OR 2 432
Peterson, Bruce A Milwaukie, OR 37 1647
Preston, Jr William G Portland, OR 9 892

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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8425471 Reagent supply for a hemodialysis system 20 2008
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