Patent ID: 7461296

Claim:
A method for testing a software system that operates a technical system, comprising the steps of: operating a technical system with existing software installed at a medical facility to interact the technical system with patients of the medical facility for treatment or examination and, while said technical system is operated for said interaction with at least one of said patients of the medical facility, generating a computerized operation model that mimics a reproducible operation procedure that occurs during said interaction of said technical system with said at least one of said patients at said medical facility; installing new software in said technical system of said medical facility for operating said technical system at said medical facility; operating said technical system of said medical facility according to said operation model while using said new software system, during a non-normal usage time of non-interaction with patients of said medical facility, at said medical facility to obtain a test result for said software system; and evaluating said test result to detect errors in said operation of said technical system caused by said new software.