IMAGE DIAGNOSTIC DEVICE AND IMAGE ASSESSMENT METHOD

摘要

Provided is an image diagnostic device with which the start and end of the in-flow of a contrast medium are automatically assessed. An image diagnostic device assesses the start and end times of the in-flow of a contrast medium into organs in a lifeform which is a subject. The image diagnostic device comprises: an input unit (11) which receives an input of a signal from a contrast medium which is acquired from such as an image acquisition unit (22); a luminosity evaluation unit (13) which creates a luminosity curve that denotes a change over time in signal strength; a function evaluation unit (14) which approximates the luminosity curve with an S-shaped function and creates a model function; an assessment unit (12), further comprising a circulation evaluation unit (15) which uses a tangent line at an inflection point of the model function and assesses the start and end of the in-flow of the contrast medium; and a display unit (19) which displays the result which is evaluated with the assessment unit (12). The present invention allows automatically assessing the start and end times of the in-flow of the contrast medium.

主权项

1. An image diagnostic device that evaluates the bloodstream dynamic state of a subject, the device comprising:
an image acquisition unit that acquires an image on the basis of a signal received from the subject; an assessment unit that assesses the start and end of inflow of a contrast medium on the basis of the shape of a time intensity course representing time changes of the brightness of the image; and a display unit that displays a result assessed by the assessment unit.