Patent application number | Description | Published |
20090281418 | DETERMINING TISSUE SURROUNDING AN OBJECT BEING INSERTED INTO A PATIENT - It is described a method for determining and assessing the tissue surrounding an object being inserted into a patient. The method comprises acquiring a first dataset representing a first 3D image of the patient, acquiring a second dataset representing a second 3D image of the blood vessel structure of the patient and acquiring a third dataset representing a 2D image of the patient including the object. The method further comprises recognizing the object within the 2D image, registering two of the three datasets with each other, whereby the object is back-projected in the blood vessel structure, in order to generate a first combined dataset, and registering the first combined dataset with the remaining dataset in order to generate a second combined dataset representing a further image surrounding the object. The method allows for combining diagnostic scanning such as CT, 3D RA and real-time 2D fluoroscopy. Thereby, it is possible to generate an image perpendicular to a catheter tip representing the object being inserted into the patient. Since the 3D-RA displays the lumen and the diagnostic scanning displays soft-tissue, it is possible to assess the tissue at the catheter tip position. | 11-12-2009 |
20100239140 | COUPLING THE VIEWING DIRECTION OF A BLOOD VESSEL'S CPR VIEW WITH THE VIEWING ANGLE ON THE 3D TUBULAR STRUCTURE'S RENDERED VOXEL VOLUME AND/OR WITH THE C-ARM GEOMETRY OF A 3D ROTATIONAL ANGIOGRAPHY DEVICE'S C-ARM SYSTEM - The present invention describes a method for rendering and displaying a curved planar reformat (CPR) view ( | 09-23-2010 |
20100290681 | FUSED PERFUSION AND FUNCTIONAL 3D ROTATIONAL ANGIOGRAPHY RENDERING - A Method and system for visualising information by combining 3DRA with diagnostic data like regular CT or MR, and colourised physiologic data like perfusion or functional data to obtain a plurality of volumes obtained from the same patient. These volumes may be a 3DRA volume, a regular greyscale CT or MR volume and a colourised physiologic parameter like a perfusion CT, a perfusion MR or a functional MR volume. Then, an anatomic structure like a vessel is segmented from the 3DRA volume, a slab out of the regular CT or MR data is rendered through the segmented vessel, and a slice out of the colourised volume of the perfusion or functional data is rendered on top of the slab. | 11-18-2010 |
20110206248 | IMAGING METHOD FOR SAMPLING A CROSS-SECTION PLANE IN A THREE-DIMENSIONAL (3D) IMAGE DATA VOLUME - Automated Vessel Analysis (AVA) allows qualitative and quantitative feedback to the user, regarding vessel pathologies (such as stenosis), with a minimum of user input. However, present algorithms may be unsuitable for large datasets, especially because of the rather long pre-processing time. Here an imaging method for placing probes on the vessel tree is presented that does not require any pre-processing time at 5 all, and performs very well on (very) large datasets, both in terms of speed and memory consumption. The method comprises the steps: classifying voxels of a 3D data volume as voxels of the first, the second or further types, determining a starting voxel in a tubular structure of voxels of the first type, determining the centre line in the proximity of the starting voxel, and fitting a plane through the starting voxel, perpendicular to the 10 centre line. Further the contour of the vessel cross-section on the plane can be determined, as well as its maximum, minimum and average diameter, and the area of the vessel cross-section. | 08-25-2011 |
20110235890 | IMAGE PROVISION FOR REGISTRATION - The invention relates to a device and a method for providing a basis for registering a three-dimensional model of an anatomical region with two-dimensional projection images, by deriving a three-dimensional model of an anatomical region at a phase of a periodic signal; deriving two-dimensional projection images of a region which overlaps with the anatomical region re-constructed as the three-dimensional model; pre-5 selecting a subset of projection images out of the derived two-dimensional projection images, which are closest to the phase; and selecting a reference image for the registration from the subset of pre-selected projection images by choosing the projection image with the most contrast. | 09-29-2011 |
20120183122 | AUTOMATIC C-ARM VIEWING ANGLES FOR STRUCTURAL HEART DISEASE TREATMENT - In a method for positioning an X-ray image acquisition device a straight reference plane ( | 07-19-2012 |
20120189095 | PATIENT TABLE COMPRISING A POSITIONING SYSTEM AND METHOD OF USING SUCH A PATIENT TABLE - A patient table ( | 07-26-2012 |
20130051649 | MEDICAL VIEWING SYSTEM AND METHOD FOR GENERATING AN ANGULATED VIEW OF AN OBJECT OF INTEREST - In a medical viewing system having an X-ray image acquisition device a data processing unit is adapted for generating two different views on a three-dimensional image set, wherein a first view is corresponding to the viewing direction of the X-ray image acquisition device and a second view has a rotational offset to the first viewing direction. The first view may include live X-ray images, e.g. for monitoring a stent placement. The second view | 02-28-2013 |
20130336565 | 2D/3D IMAGE REGISTRATION - The present invention relates to interactive registration of 2D images with 3D volume data, and in particular relates to the registration of two 2D images with 3D volume data. In order to provide 2D/3D registration with a facilitated workflow for the user, an example of a method is provided comprising the steps of providing ( | 12-19-2013 |
20140003698 | TRACKING BRAIN DEFORMATION DURING NEUROSURGERY | 01-02-2014 |
20140282008 | HOLOGRAPHIC USER INTERFACES FOR MEDICAL PROCEDURES - An interactive holographic display system includes a holographic generation module configured to display a holographically rendered anatomical image. A localization system is configured to define a monitored space on or around the holographically rendered anatomical image. One or more monitored objects have their position and orientation monitored by the localization system such that coincidence of spatial points between the monitored space and the one or more monitored objects triggers a response in the holographically rendered anatomical image. | 09-18-2014 |
20150025370 | PERIODIC CONTRAST INJECTIONS AND ANALYSIS OF HARMONICS FOR INTERVENTIONAL X-RAY PERFUSION IMAGING - An apparatus ( | 01-22-2015 |