Verfahren zur Röntgenbildgebung eines Kleinen Volumens

Details

Veröffentlichungs-Nr.

EP4759240

Anmeldetag

13. Dezember 2024

Veröffentlichung

17. Juni 2026

Rechtsraum

EP

Abstract

The present invention relates to method of generating an x-ray image using an x-ray system (1) comprising an x-ray device (2) which includes: an x-ray detector (4; 14); an x-ray source (3) for emitting a x-ray cone beam; an x-ray collimator (12; 15) having one or more adjustable shutters (25) for setting an aperture (24) for the x-ray radiation; and a first reference point (P1) for positioning a patient's oral cavity. The method comprises the step of: acquiring a digital impression (DI) of the patient's oral cavity; selecting a region of interest (ROI) in the digital impression (DI); determining the size of the region of interest; determining a second reference point (P2) in the digital impression; determining the position of the selected region of interest relative to the x-ray device (2) using the first reference point, the second reference point, and the digital impression; setting the positions of the x-ray detector and the x-ray source on opposing sides of the patient's head so that the region of interest can be exposed with x-ray cone beam radiation and imaged with the x-ray detector; adjusting the shutters (25) so that a size of the aperture (24) restricts the x-ray cone beam to expose substantially not more than the region of interest (ROI) for the set positions of the x-ray detector and the x-ray source; and acquiring at least one x-ray projection image of the region of interest (ROI) at the set positions of the x-ray detector and the x-ray source with the correspondingly adjusted shutters (25); generating an x-ray image by using the x-ray projection images.

Anmelder

Firmen

Dentsply Sirona Inc.
SIRONA Dental Systems GmbH

Land

🇺🇸 USA