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7613499 |
Method and system for concurrent localization and display of a surgical catheter and local electrophysiological potential curves
A method for providing measuring data for the precise local positioning of an ablation catheter comprises the recording of electrophysiological potential curves in a plurality of positions of the...
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7613497 |
Energy transfer amplification for intrabody devices
Apparatus for driving current in a power circuit of a medical device inserted into a body of a subject includes a power transmitter, which is adapted to generate, in a vicinity of the body, an...
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7612708 |
RF system for tracking objects
A system for tracking an object in space for position, comprises a transponder device connectable to the object. The transponder device has one or several transponder aerial(s) and a transponder...
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7610078 |
System and method of graphically generating anatomical structures using ultrasound echo information
Methods and systems for graphically creating a representation of an anatomical structure, such as a heart, is provided. The distal end of an elongated probe is moved within the anatomical...
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7606611 |
Method and apparatus for determining the azimuthal orientation of a medical instrument from MR signals
A medical apparatus, includes a medical instrument with an acquisition unit for a magnetic resonance signal, the acquisition unit exhibiting a non-constant sensitivity profile in the azimuthal...
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7604605 |
Device, system, and method for detecting and localizing obstruction within a blood vessel
The present invention is of system, device, and method for detecting and localizing obstruction in a blood vessel. More particularly, the present invention is of a balloon catheter having an...
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7603163 |
Targeting system and method of targeting
A targeting system, which provides an adjustable optical assembly, for use with imaging systems having a penetrating beam source, a penetrating beam receiver. The optical assembly has a targeting...
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7603161 |
Position detection in a magnetic field
This patent document discusses assemblies and methods for remotely detecting a position of a surgical instrument in the presence of a magnetic field. In varying examples, a position detection...
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7603160 |
Intra-subject position display system
An intra-subject position display system for displaying a position of an intra-subject device, which is introduced into a subject and moves therein, wherein a relative position of the intra-subject...
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7603159 |
Method for transcutaneous catheter guiding
The invention relates to a method of determining the position of a catheter introduced along a guide wire inserted into a body, in which method an image of the guide wire and the body region at the...
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7603155 |
Method and system of acquiring images with a medical imaging device
Methods and systems of acquiring images with a medical imaging device are provided. The method includes tracking a region of interest (ROI) location through a tracking system. Further, the method...
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7599730 |
Navigation system for cardiac therapies
An image guided catheter navigation system for navigating a region of a patient includes an imaging device, a tracking device, a controller, and a display. The imaging device generates images of...
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7599729 |
Evaluating the urethra and the periurethral tissues
Systems and methods for the evaluation of the urethra and periurethral tissues may involve an MRI coil adapted for insertion into the male, female or pediatric urethra. The MRI coil may be in...
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7596403 |
System and method for determining path lengths through a body lumen
A system and method for determining the path length through a body lumen, for example to a specified location, is described. A location detection system may identify the location in space of an...
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7594933 |
Method and apparatus for positioning a bone prosthesis using a localization system
Methods and apparatus using a surgical navigation system during hip joint replacement surgery without separately affixing a marker to the femur. The navigation system acquires the center of...
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7590442 |
Method for determining the position of an instrument with an x-ray system
The present invention relates to a method for determining the position of an instrument in a structure of an object with an x-ray system, in which a 3D image data record is provided for at least...
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7590441 |
Invasive medical device with position sensing and display
Apparatus for performing a medical procedure on a tissue within a body of a subject includes a wireless tag configured to be fixed to the tissue and adapted to emit radiation, thereby causing first...
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7588569 |
Medical instrument for the treatment of tissue by means of a high-frequency current and medical system with a medical instrument of this type
The invention relates to a medical instrument for treating tissue by means of high-frequency current. The inventive instrument comprises at least one electrode that can be impinged upon with a...
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7587234 |
Method and apparatus for computer modified magnetic resonance imaging
A device is presented including a medical device adapted to be inserted in an anatomy. The medical device has many target markers. A magnetic resonance imaging (MRI) system will not detect or will...
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7585302 |
Instrument for implanting a sensor
An instrument for implanting a sensor in a body part, in which the sensor has at least one cord extending therefrom which is connected to an external device, includes a guide sheath for defining a...
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7585273 |
Wireless determination of endoscope orientation
Apparatus for performing a medical procedure includes an invasive probe having opposite distal and proximal ends. The probe includes a transmitter, which is arranged to transmit an energy field,...
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7580739 |
System for detecting position of capsule endoscope in subject
A system includes a device swallowed, passing through a subject, and including a constant magnetic field generator generating a constant magnetic field; and a position transducer. The position...
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7575550 |
Position sensing based on ultrasound emission
An Apparatus for determining the disposition of an object relative to a reference frame includes at least one field generator, which generates an electromagnetic field in a vicinity of the object...
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7573258 |
Coil arrangement for electromagnetic tracker method and system
An electromagnetic coil arrangement comprising a plurality of electromagnetic sensors located about the periphery of a region and at least one center electromagnetic sensor located at or near the...
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7567834 |
Method and apparatus for implantation between two vertebral bodies
A method and system to assist in a planning and navigation of procedure. Generally, the system allows for image acquisition of a selected area of the anatomy. The images may then be used to mark...
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7567833 |
Enhanced illumination device and method
A light source illuminates a field of interest that includes an illumination module capable of projecting illumination light to the field of interest and a light projector associated with the...
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7565190 |
Cardiac CT system and method for planning atrial fibrillation intervention
A method for planning atrial fibrillation (AF) intervention for a patient includes obtaining acquisition data from a medical imaging system, and generating a 3D model of the left atrium and...
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7561051 |
Magnet locating apparatus and method of locating a magnet using such apparatus
An apparatus for locating a magnet and/or determining the orientation of the apparatus relative to the magnet. In one embodiment, the apparatus includes a multi-axis magnetic field sensor movable...
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7559931 |
Surgical orientation system and method
A system and method for detecting and measuring changes in angular position with respect to a reference plane is useful in surgical procedures for orienting various instruments, prosthesis, and...
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RE40852 |
Method and system for navigating a catheter probe
A system for navigating a catheter probe through a body cavity includes a sensing coil affixed to a distal end of the probe. Magnetic fields are projected into the body cavity to induce voltage...
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7558616 |
Guidance of invasive medical procedures using implantable tags
Apparatus for locating a tissue within a body of a subject includes an acoustic tag configured to be fixed to the tissue and adapted, responsive to acoustic waves incident thereon, to return...
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7558414 |
Iterative image reconstruction
Systems and methods using an image produced by a constrained image reconstruction process as a constraint in a forward iterative reconstruction process are described. One example system may include...
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7555331 |
Method for surgical navigation utilizing scale-invariant registration between a navigation system and a localization system
A system for navigating a medical device through the lumens and cavities in an operating region in a subject, comprising an imaging system for displaying an image of the operating region, including...
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7555330 |
Intrabody navigation system for medical applications
A system and method for tracking the position and orientation of a probe. Three at least partly overlapping planar antennas are used to transmit electromagnetic radiation simultaneously, with the...
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7554452 |
Ingestible tracking and locating device
The present invention relates generally to an electronic tracking and locating system. More specifically, it discloses an electronic tracking and locating system, having a biocompatible housing...
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7551955 |
Device, system and method for image based size analysis
A device, system and method for calculating a size of an object using images acquired by a typically moving imager, for example in the gastrointestinal (GI) tract. A distance traveled by the moving...
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7551953 |
Magnetic resonance imaging needle antennas
The invention describes a system, method, and means for an MRI transseptal needle that can be visible on an MRI, can act as an antenna and receive MRI signals from surrounding subject matter to...
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7540866 |
User interface for remote control of medical devices
An interface for remotely controlling a medical device in a patient's body provides a two dimensional display of a three dimensional rendering of the operating region, and allows the user to select...
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7536218 |
Hybrid magnetic-based and impedance-based position sensing
A position sensing system includes a probe adapted to be introduced into a body cavity of a subject. The probe includes a magnetic field transducer and at least one probe electrodes. A control unit...
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7536217 |
System for detecting position of capsule endoscope in subject
A system is for detecting a position of a device. The device is swallowed, passes through a subject, and includes a magnetic field generator generating a constant magnetic field. The system also...
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7535411 |
System and method for detecting drifts in calibrated tracking systems
A method and system for detecting drift in calibrated tracking systems used to locate features with respect to one or more coordinate systems allows medical devices to be accurately tracked within...
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7525426 |
Method and apparatus for location and tracking persons
The invention relates to a method and apparatus for locating and tracking persons by use of an implantable device. The described invention is an implantable device composed of biocompatible...
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7519415 |
Method and apparatus for image support of an operative procedure implemented with a medical instrument
In a method and apparatus for image support of an operative procedure implemented with a medical instrument, a two-dimensional x-ray image of a volume region to be treated is generated and stored...
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7519414 |
Method and apparatus for visualization of 2D/3D fused image data for catheter angiography
In an image post-processing method and apparatus for 3D visualization of 2D/3D fused image data for use in catheter angiography in an endovascular interventional procedure, upon forward movement of...
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7505809 |
Method and system for registering a first image with a second image relative to the body of a patient
A system including a first medical positioning system for detecting a first position and orientation of the body of a patient, a second medical positioning system for detecting a second position...
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7505808 |
Catheter tracking with phase information
A method for determining the position and/or orientation of a catheter or other interventional access device or surgical probe using phase patterns in a magnetic resonance (MR) signal. In the...
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7505802 |
Capsule endoscope
A capsule endoscope is disclosed that includes a capsule and a transparent cover having a central axis and that is located in front of an objective optical system within the capsule. The objective...
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7502642 |
Method and device for visually supporting an electrophysiological catheter application
The present invention relates to a method for visually supporting an electrophysiological catheter application in the heart, in which, during the execution of the catheter application, 2D...
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7502640 |
Positive contrast MRI of magnetically tagged cells, objects, tissues
Contrast agents incorporating super-paramagnetic iron-oxide (SPIO) nanoparticles have shown promise as a means to visualize labeled cells using MRI. Labeled cells cause significant signal dephasing...
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7499743 |
Method and system for registration of 3D images within an interventional system
A method for registration of cardiac image data in an interventional system includes inserting a first plurality of fiducial points on an acquired 3D anatomical image and exporting the 3D...
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