05247434 is referenced by 400 patents and cites 13 patents.

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.

Title
Method and apparatus for kidney dialysis
Application Number
7/688174
Publication Number
5247434
Application Date
April 19, 1991
Publication Date
September 21, 1993
Inventor
William G Preston Jr
Portland
OR, US
Jean M Long
Portland
OR, US
Thomas D Kelly
Portland
OR, US
Harley D Johnson
Portland
OR, US
Michael E Hogard
Oregon City
OR, US
Bruce A Peterson
Milwaukie
OR, US
Agent
Klarquist Sparkman Campbell Leigh & Whinston
Assignee
Althin Medical
OR, US
IPC
G06F 15/46
G09G 3/02
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