Importance

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Abstract

The present invention relates to an extracorporeale interface unit (8), for an intravascular measurement system for measuring at least one physiological, or other, variable in a living body, adapted to generate a sensor signal in response of the variable. The interface unit (8) comprises a sensor interface circuitry (6) adapted to interface a sensor wire configured to be inserted into the living body and provided with one or many sensor element(s) at its distal region. The sensor interface circuitry (6) comprises a measurement unit (9) adapted to generate the measured data of the variable as a sensor signal. The interface unit (8) further comprises a control unit (1) adapted to control and supervise the different functions of the interface unit (8), wherein the different functions are performed by predefined tasks (T₁, T₂, . . ., T_n) during consecutive control periods CP having the same time duration. During each task (T₁, T₂, . . . T_n) a predefined function of the interface unit (8) is performed. Each predefined task (T₁, T₂, . . . T_n.) has a designated task time period length (t₁, t₂, t₃, . . . , t_n), and only one task (T₁, T₂, . . . T_n) is adapted to be executed at the same time, and each task (T₁, T₂, . . . T_n) in a control period CP has a designated task time slot within the control period CP, wherein the tasks (T₁, T₂, . . . T_n) within a control period CP are separated by a specified task separation time period t_s. The present invention further relates to a measurement system (12) comprising the extracorporeale interface unit (8).

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First Claim