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118 results about "Anatomical configuration" patented technology

Method and System for Hemodynamic Assessment of Aortic Coarctation from Medical Image Data

A method and system for non-invasive hemodynamic assessment of aortic coarctation from medical image data, such as magnetic resonance imaging (MRI) data is disclosed. Patient-specific lumen anatomy of the aorta and supra-aortic arteries is estimated from medical image data of a patient, such as contrast enhanced MRI. Patient-specific aortic blood flow rates are estimated from the medical image data of the patient, such as velocity encoded phase-contrasted MRI cine images. Patient-specific inlet and outlet boundary conditions for a computational model of aortic blood flow are calculated based on the patient-specific lumen anatomy, the patient-specific aortic blood flow rates, and non-invasive clinical measurements of the patient. Aortic blood flow and pressure are computed over the patient-specific lumen anatomy using the computational model of aortic blood flow and the patient-specific inlet and outlet boundary conditions.
Owner:SIEMENS HEATHCARE GMBH

Patient reference device

Methods and devices to track patient anatomy during a surgical operation. A patient reference device is attached to an anatomical feature of a patient and it includes an attachment base and an optically-trackable array detectable by an optical navigation system and having a longitudinally-extending arm to space apart the fixed geometric pattern from the anatomical feature. The arm includes a connector to be detachably secured to the attachment base. An inertial measurement unit within the attachment base enables determining, based on comparing a threshold level to a motion signal, that the attachment base has changed position, wherein the motion signal represents the change in position and its magnitude. Based on determining that the attachment base has changed position an alarm signal is generated an and an output device in the attachment base outputs an alarm in response to the alarm signal.
Owner:SYNAPTIVE MEDICAL INC

Methods and systems for user defined distributed learning models for medical imaging

Systems and methods are provided for user defined distributed learning models grouped based on user clusters for configuring settings of a medical diagnostic imaging system. The systems and methods are configured to maintain models with predetermined settings for at least one of system settings, image presentation settings, or anatomical structures. The systems and methods are configured to calculate a data value representing select user preferences for a first user, identifying a first cluster based on the data value, and assigning a first model from the models to the first user based on the first cluster. The systems and methods are configured to monitor use of the first model by the first user during a medical diagnostic application to determine whether the first model is updated by the first user or automatically during the medical diagnostic application by changing at least one of system settings, image presentation settings, or anatomical structures.
Owner:GENERAL ELECTRIC CO

Methods and systems relating to high resolution magnetic resonance imaging

The inventors have established design principles for phased-array MRI coils from the considerations of the target region of the anatomy being evaluated and physical anatomy of the patients. Accordingly, the inventors have demonstrated shape-optimized phased array coils with dense packing of 32 channels for posterior-head imaging exhibiting the SNR gains required to realize not only sub-millimeter fMRI BOLD imaging but also allowing single-shot Gradient Echo-EPI imaging to be performed upon general 3 T MRI instruments. At the same time the design techniques address ergonomic considerations of the patient and designing shape-optimized phased-array MRI coils and patient supports that account for variations within the human population arising from factors such as race, gender, etc.
Owner:MCGILL UNIV

Skeleton registration method and system and storage medium

The invention provides a skeleton registration method and system for a surgical navigation system and a storage medium, which are used for determining a transformation relation between a preoperative coordinate system and an intra-operative coordinate system, and the method comprises the following steps: obtaining a source point cloud SPC by using preoperative skeleton image data; obtaining a target point cloud TPC by using point data collected from an actual skeleton surface; selecting four groups of corresponding point pairs from the source two point clouds, and performing initial registration; performing accurate registration through different initial transformation matrices, wherein the initial registration is based on an affine transformation method of singular value decomposition, producing a 4 * 4 dimensional matrix, thereby mapping points of the 3D virtual model to an approximation of patient bone coordinates in an intra-operative coordinate system. According to the invention, the anatomical structures of the patient before and during the operation can accurately correspond to each other, so that a doctor can clearly know the anatomical positions of the surgical instrument and the patient, and the surgical tool can be accurately controlled to reach the required part.
Owner:杭州素问九州医疗科技有限公司

Anatomical configuration of safety belts in cars and accessories for its implementation

The subject matter of the invention is a way of shaping anatomically the safety belts of cars, particularly for the use of women, and the devices required for its realization. The essence of this anatomical shaping of a safety belt consists in providing such a form of the belt that it looks like an elongated S, passing between the breasts as well as above and under the bust. For its purpose a safety belt is provided with a shaping strip, which is a flat sleeve made of elastic plastic material in the form of an elongated S, with a rigid material lining, open on the side and closed by means of any kind of fastener, for example a zipper or Velcro. On the upper part of the strip there is a pad protecting the collar-bone and neck against pressure and rubbing. The strip is put on the safety belt, so that it takes the required shape without affecting the structure of the safety belt. The strip can be shifted along the safety belt, adapting it to the height of the passenger. It is practically stable on the safety belt because of its shape, but it can be additionally stabilized by means of a tension pull, the length of which can be adjusted according to the needs of the wearer. The pull can be provided with a clasp, attached to the outer bottom part of the edge of the abdomen part of the safety belt, e.g. by using a clip. Due to different constitutions of the human body there are several hooks for adjusting the position. The tension pull preferably is run perpendicularly to a tangential line of the lower edge of the strip.
Owner:BECZKOWSKI ANDRZEJ

Determination and visualization of damage to an anatomical joint

In accordance with one or more embodiments herein, a system for determining and visualizing damage to an anatomical joint of a patient is provided. The system comprises a display, at least one manipulation tool, a storage media and at least one processor. The at least one processor is configured to: i) receive a plurality of medical image stacks of at least a part of the anatomical joint from the storage media; ii) obtain a three-dimensional image representation of the at least part of the anatomical joint which is based on at least one of said medical image stacks, by generating said three-dimensional image representation in an image segmentation process based on said medical image stack, or receiving said three-dimensional image representation from the storage media; iii) determine damage to at least one of a plurality of anatomical structures in the anatomical joint by analyzing at least one of said plurality of medical image stacks; iv) mark, based on the determined damage, damage to the anatomical structures in the obtained three-dimensional image representation; v) obtain at least one 3D model for visualization based on the three-dimensional image representation, in which 3D model the marked damage is visualized; and vi) create a graphical user interface for visualization on the display. The graphical user interface may comprise: functionality to visualize and enable manipulation, using the at least one manipulation tool, of the at least one 3D model; functionality to enable removal of the visualization of at least one of the plurality of anatomical structures from the at least one 3D model; functionality to visualize and enable browsing of at least one of the plurality of medical image stacks; and functionality to, in the 3D model, visualize the position of the at least one medical image that is currently visualized.
Owner:EPISURF IP MANAGEMENT

Medical image editing

The present invention relates to medical image editing. In order to facilitate the medical image editing process, a medical image editing device (50) is provided that comprises a processor unit (52), an output unit (54), and an interface unit (56). The processor unit (52) is configured to provide a 3D surface model of an anatomical structure of an object of interest. The 3D surface model comprises a plurality of surface sub-portions. The surface sub-portions each comprise a number of vertices, and each vertex is assigned by a ranking value. The processor unit (52) is further configured to identify at least one vertex of vertices adjacent to the determined point of interest as an intended vertex. The identification is based on a function of a detected proximity distance to the point of interest and the assigned ranking value. The output unit (54) is configured to provide a visual presentation of the 3D surface model. The interface unit (56) is configured to determine a point of interest in the visual presentation of the 3D surface model by interaction of a user. The interface unit 56 is further configured to modify the 3D surface model by displacing the intended vertex by manual user interaction. In an example, the output unit (54) is a display configured to display the 3D surface model directly to the user (58).
Owner:KONINKLJIJKE PHILIPS NV
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