Method and apparatus for graphical assistance in a medical procedure

摘要

In a method and apparatus for graphical assistance in an interventional procedure to open an occlusion of a hollow organ of a patient a three-dimensional CT image data set of an examination region with the at least one hollow organ having the occlusion is retrieved and visualized segmentation data with segmentation data of the hollow organ at a display unit. At least two x-ray fluoroscopy images are acquired at different angulations the CT image data set is registered with at least two of the x-ray images. A number of fluoroscopy x-ray images are acquired during a time period, with real-time visualization of at least one x-ray fluoroscopy image and data of the CT image data set at the display unit. The steps are implemented individually and in sequence, and control options relating exclusively to the current step can be selected manually via a user interface depending on the step that is currently implemented, and only user inputs that are appropriate for the current step are accepted.

主权项

1. A method for computerized graphical assistance in an interventional medical procedure to open an occlusion of a hollow organ of a patient, comprising:
(1) providing a computerized processor with a three-dimensional computed tomography (CT) image data set of an examination region of a patient comprising at least one hollow organ having an occlusion, determining or retrieving segmentation data of the CT image data set designating the hollow organ, and displaying the three-dimensional CT image data set with the segmentation data of the hollow organ at a display unit, as a displayed image; (2) operating an x-ray fluoroscopy image acquisition system to acquire at least two fluoroscopy images at different angles with respect to said hollow organ, and, in said processor, bringing the CT image data set into registration with at least two of said x-ray fluoroscopy images; (3) operating the x-ray fluoroscopy system to continually acquire a plurality of additional x-ray fluoroscopy images during a predetermined time period, and providing a real time visualization, at said display unit, of at least one of said additional fluoroscopy images and said displayed image data set; (4) storing at least the images displayed in step (3); and (5) implementing each of steps (1), (2), (3) and (4) individually and in sequence and, at said display unit, presenting control options relating exclusively to each individual step and allowing said control options to be manually selected via a user interface in communication with said processor depending on the individual step being implemented, and, while each step is being individually implemented, accepting user inputs into said processor via said user interface only for the step that is currently being individually implemented.