×

Anaesthetic controller

  • US 6,830,047 B2
  • Filed: 03/16/2001
  • Issued: 12/14/2004
  • Est. Priority Date: 03/17/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. An anaesthetic control system comprising:

  • a) a patient model (11) created by former values of an active substance previously delivered to numerous other patients'"'"' bodies;

    b) means (13) for delivering the active substance at a present delivery rate (R) to a patient'"'"'s body 914);

    c) means for continuously communicating the present delivery rate (R) to the patient model (11) which calculates a present active substance concentration (CNactual) in the patient'"'"'s body (14) under consideration of active substance values delivered to the actual patient during the running anaesthetic treatment;

    d) control means (17) for generating a control signal dependent upon the present active substance concentration (CNactual) and a desired active substance concentration (CNdesired); and

    e) means (25) for conducting the generated control signal to the delivery means (13) for varying the present delivery rate (R) on a continuous basis as required to attain a deliver rate R) toward achieving the desired active substance concentration (CNdesired) in the patient'"'"'s body (14).

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×