公开(公告)号：EP0959980A4

公开(公告)日：2001-03-21

申请号：EP97938177

申请日：1997-08-12

申请人： AKSYS LTD

发明人： KENLEY RODNEY S ,  MATTHEWS DAWN ,  WILKERSON DOUGLAS L ,  DEJESUS JOEL ,  BROSE TOM L ,  GEBHARDT ANDREW ,  PLUMMER LORI A ,  PETER FREDERICK H JR ,  SAGE RUSSELL L ,  TREU DENNIS M ,  WIKLUND MICHAEL EDWARD ,  DOLAN WILLIAM R ,  BARRETT SHAWN O

IPC分类号： A61M1/14 ,  A61M1/16 ,  B01D61/30 ,  B01D61/32

CPC分类号： A61M1/14 ,  A61M2205/17 ,  A61M2205/502 ,  A61M2205/505 ,  A61M2205/52 ,  G06F19/3481 ,  G16H40/63 ,  Y10S248/919

摘要： A user interface for a medical instrument such as a dialysis machine is described which uses both a touch screen and at least one hard key off of the touch screen to effectuate a change in a parameter associated with the operation of the machine or the treatment session. The user interface is connected to a central computer control system having a host microprocessor and a backup safety microprocessor. The hard key is directly wired to the safety microprocessor. After the user selects a new parametric value on the touch screen, the user presses a hard key. The host and safety microprocessors implement a verification routine to insure that the entered parameter is appropriate for the patient's treatment and the display on the touch screen. If the verification procedure ends in a positive result, the user is prompted to presses a second hard key to confirm the change, causing an additional verification check to be preformed. If the additional verification check is successful, the parametric value is entered into a memory (such as a hard disk) storing instructions for operation of the medical instrument.