Koninklijke Philips Corporation N.v.

Dirk Manke

Christoph Kurze

Michael Harald Kuhn

Bernd E Aldefeld

Raoul Florent

Peter Boernert

Volker Rasche

Hanns-Ingo Maack

Jens Von Berg

Holger Eggers

Kay Nehrke

Aditya Mehendale

Erhard Paul Artur Klotz

Claire Levrier

Richard Johannus Maria Van De Ven

Friedrich-Karl Beckmann

Sascha Andreas Jockel

André Goossen

Georg Weidinger

Liesbet Hilde Hadewijch Roose

Marc Hensel

Rolf Udo Dieter Kobs

Richard Johannes Maria Van De Ven

An X-ray imager has a navigation-aid subsystem including one or more transmitters (TX), one or more receivers (RX) and one or more reflectors (RFL). A radio signal is transmitted by transmitter (TX), is then reflected off reflector RFL and is then received at receiver (RX). The received signal is then resolved into positional correction information that can be used to guide a motion of the imager's tube (S) and or detector (D) to position and/or align the tube (S) and/or detector (D) relative to each other in a desired spatial configuration to ensure optimal imaging results. The imager may be a mobile imaging system with the detector (D) portable.

Tube alignment functionality for mobile radiography systems

An X-ray apparatus for image acquisition and a related method. The apparatus comprises a field-of-view corrector (CS) configured to receive a scout image (SI) acquired by the imager with a tentative collimator setting in a pre-shot imaging phase where said imager operates with a low dosage radiation cone causing the detector to register the scout image. The low dosage cone has, in the detector's image plane, a first cross section smaller than the total area of the detector surface. The field-of-view corrector (CS) uses said scout image to establish field-of-view correction information for a subsequent imaging phase where the imager is to operate with a high dosage radiation cone, the high dosage higher than the low dosage.

X-ray collimator size and position adjustment based on pre-shot

An apparatus () and method for automatically or semi-automatically controlling a collimator (COL) of an x-ray imager () to collimate imager ()'s x-ray beam and adjusting an alignment of the x-ray imager () in respect of an object (PAT). The collimation and alignment operation is based on 3D image data (3DI) of the object (PAT) to be imaged. The 3D image data (3DI) is acquired by a sensor (S). The sensor (S) operates on non-ionizing radiation. The 3D image data (3DI) describes a shape in 3D of the object (PAT) and anatomic landmarks are derived therefrom to define a collimation window (W) for a region of interest (ROI). Based on the collimation window (W) the collimator (COL)'s setting and imager () alignment is adjusted accordingly.

Patient-specific and automatic x-ray system adjustment based on optical 3D scene detection and interpretation

The present invention relates to acquisition of medical image information of an object. In order to provide a user-friendly alignment of X-ray tube and a detector, optionally combined with an anti-scatter grid, an alignment arrangement is proposed, which comprises a tube attachment with a first light projection device and a detector attachment with a second light projection device. The first and second light projection devices each generate a light pattern on a projection surface. The tube attachment and the detector attachment can be brought into a correct spatial arrangement relative to each other by bringing the first light pattern in a predetermined spatial relation with the second light pattern on the projection surface.

Tube-detector alignment using light projections

A device for determining the position of a medical instrument that is introduced into an object to be examined is also used for imaging the vicinity of the medical instrument. In order to enable the acquisition of instantaneous position information and image information from the vicinity of the medical instrument for all kinds of medical instruments, a localization device that is arranged in the end zone of the medical instrument that is to be introduced determines the position of the medical instrument within the object to be examined; at the same time image information is acquired in the vicinity of the medical instrument by an image acquisition device that is arranged on the medical instrument and on the basis of the position thus determined the position of the medical instrument ( ) is reproduced in a survey image of the object to be examined and images of the vicinity of the object to be examined are displayed on the basis of the image information acquired.

Method and apparatus for intravascular localization and imaging without X-rays

An MR imaging method wherein motion of an object to be imaged is examined during a preparation phase preceding the actual MR examination. The necessary sequences for the subsequent MR examination are modified during the examination to compensate for the motion based on motion parameters calculated during the preparation phase or motion parameters derived from the motion parameters calculated during the preparation phase based on a correlation between the motion parameters.

MR imaging method with motion compensation

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Hamburg, Germany

Dirk Manke