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6321109 |
Catheter based surgery
A method of excavating tissue in the body, including bringing a catheter (60) to a location, injecting microbubbles (84) at the location and causing cavitation of tissue (76) at the location using...
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6317621 |
Method and device for catheter navigation in three-dimensional vascular tree exposures
In a method and apparatus for catheter navigation in three-dimensional vascular tree exposures, particularly for intercranial application, the catheter position is detected and mixed into the 3D...
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6314310 |
X-ray guided surgical location system with extended mapping volume
Apparatus for X-ray guided surgery, including a reference element (20), which is placed in contact with the body (32) of a subject. The element includes a plurality of fiducial marks (22a, 22b,...
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6305381 |
System for locating implantable medical device
A system and method for locating an implantable medical device. The system consists of a flat "pancake" antenna coil positioned concentric with the implantable medical device target, e.g. the drug...
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6304769 |
Magnetically directable remote guidance systems, and methods of use thereof
A magnetically directable guidance system useful in, for example, medical magnetic resonance imaging is provided, as well as methods of directing the traverse of a device directable by the remote...
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6298257 |
Cardiac methods and system
A method of applying a magnetic medical device to the surface of an internal body structure, the medical device having a magnetically responsive element associated with its distal end, the method...
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6298261 |
Catheter tracking system
A catheter tracking system for locating and tracking a catheter head 16 with reference to a part of the human or animal body 1 includes a catheter having a catheter head which is arranged to be...
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6285903 |
Intracorporeal device with radiopaque marker
An intracorporeal device generally having an elongate shaft with an asymmetric radiopaque marker disposed upon or within the distal end thereof. The radiopaque marker member enables the user to...
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6285898 |
Cardiac electromechanics
A method of constructing a cardiac map of a heart having a heart cycle including; bringing an invasive probe into contact with a location on a wall of the heart; determining, at at least two...
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6275724 |
Medical ultrasonic imaging
A method of measuring the position of the tip of a catheter includes the steps of continuously monitoring the distance the catheter has travelled past a reference point, monitoring the orientation...
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6272371 |
Bend-responsive catheter
This invention is an invasive probe apparatus including flexible elongate probe (20) having a distal portion adjacent to a distal end (22) thereof for insertion into the body of a subject, which...
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6272370 |
MR-visible medical device for neurological interventions using nonlinear magnetic stereotaxis and a method imaging
The present invention comprises a device and method for targeted drug delivery, and especially intracranial inflsion or retroperfusion drug delivery using nonlinear magnetic stereotaxis in...
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6266552 |
Method and arrangement for locating a measurement and/or treatment catheter in a vessel or organ of a patient
In a method for locating a measurement and/or treatment catheter in a vessel or organ of a patient relative a fixed catheter, also positioned within the patient in the vicinity of the measurement...
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6266551 |
Catheter calibration and usage monitoring system
A probe (20) for insertion into the body of a subject, the probe (20) having distal (22) and proximal ends, and including an electronic microcircuit (90), which stores information relating to...
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6263230 |
System and method to determine the location and orientation of an indwelling medical device
A device to detect the location of a plurality of magnets uses a plurality of magnetic sensors, having sensor elements arranged in a known fashion. Each sensor element senses the magnetic field...
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6259941 |
Intravascular ultrasound locating system
An improved catheter system having intravascular ultrasound locating capabilities comprising a locator catheter and an ultrasound receiver catheter resulting in an effective electrophysiology...
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6246899 |
Ultrasound locating system having ablation capabilities
An improved catheter system having ultrasound locating and ablation capabilities comprising a locator catheter and an ultrasound receiver catheter, the locator catheter consisting of a catheter...
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6246231 |
Magnetic field permeable barrier for magnetic position measurement system
A magnetic field position and orientation measurement system contains, confines and re-directs the magnetic field from one or more transmitters such that the fields are attenuated in areas outside...
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6246898 |
Method for carrying out a medical procedure using a three-dimensional tracking and imaging system
A method for carrying out a medical procedure using a 3-D tracking and imaging system (1600). A surgical instrument, such as a catheter, probe, sensor, pacemaker lead, needle, or the like is...
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6240308 |
Method and apparatus for archiving and displaying anatomico-physiological data in a normalized whole brain mapping and imaging system
Method and apparatus for archiving and simultaneous display of brain scan images and a plurality of brain maps. The brain maps are proportioned to the individual brain of the scan images by a...
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6236879 |
Fiber optic catheter system
A catheter system including a catheter having a proximal end and a distal end and a device for determining the position of the distal end of the catheter relative to the position of the proximal...
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6234177 |
Apparatus and method for deploying an expandable biopsy marker
An apparatus for marking the location of a void of body tissue created by a biopsy consists of a deployment catheter having an axial catheter lumen and distal opening. A resilient imaging marker...
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6233477 |
Catheter system having controllable ultrasound locating means
An improved catheter system having ultrasound locating capabilities comprising a locator catheter and an ultrasound receiver catheter resulting in an effective electrophysiology procedure without...
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6233476 |
Medical positioning system
Medial device comprising a housing, a magnetic detection probe, for detecting a plurality of magnetic fields, a biometric unit and a controller, connected to said magnetic detection probe, said...
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6230038 |
Imaging of internal structures of living bodies by sensing implanted magnetic devices
The invention provides a system for therapeutic treatment of an organ, tumor, or other internal structure of a living body with therapeutic radiation after implantation, at the organ, of a magnetic...
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6230042 |
Method and arrangement for determining the location of a catheter within an animal body
A catheter arrangement has an active catheter, positionable in a vessel or organ of an animal, having at least one transducer disposed proximal the catheter tip; and a fixed catheter, also...
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6226546 |
Catheter localization system and method for performing medical diagnostics
A catheter localization system for generating information appertaining to a three dimensional map of a part of a human or animal body from which three dimensional map a position of said catheter...
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6226547 |
Catheter tracking system
A catheter tracking system as depicted in FIGS. 1,2, and 3 for locating and tracking a position of a catheter head 16 within a part of a human or animal body 1. The catheter tracking system...
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6223066 |
Optical position sensors
An elongate medical probe, having proximal and distal ends, whose position is tracked within the body of a subject includes a magnetic-field responsive optical element adjacent to the distal end,...
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6216028 |
Method to determine the location and orientation of an indwelling medical device
A device to detect the location of a magnet coupled to an indwelling medical device within a patient uses three or more sets of magnetic sensors each having sensor elements arranged in a known...
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6216027 |
System for electrode localization using ultrasound
The present invention is a device localization system that uses one or more ultrasound reference catheters to establish a fixed three-dimensional coordinate system within a patient's heart using...
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6211666 |
Object location system and method using field actuation sequences having different field strengths
A method and system of operating a location system to locate objects in space, such as medical instruments (16) within the body of a patient is presented. The method includes cyclically actuating...
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6203493 |
Attachment with one or more sensors for precise position determination of endoscopes
A locatable endoscope (14) attachment including an attachment (20) connectable to an insertion tube portion of an endoscope for determining the endoscope's (14) position; and one or more sensors...
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6201987 |
Error compensation for device tracking systems employing electromagnetic fields
The present invention is capable of more accurately tracking an invasive device in a subject's body in the presence of eddy current inducing structures. Current patterns applied to the tracking...
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6201387 |
Miniaturized position sensor having photolithographic coils for tracking a medical probe
A miniature coil assembly for transmitting or receiving magnetic waves comprises a plurality of coils wherein each coil has a respective axis. The coil assembly is assembled such that at least two...
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6198963 |
Position confirmation with learn and test functions
Verification apparatus (32), for verifying the location of an object (22) in a patient's body (20), the apparatus having learn and test modes and including a receiver (76), which receives signals...
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6190395 |
Image guided universal instrument adapter and method for use with computer-assisted image guided surgery
An apparatus is disclosed for use with a surgical navigation system. The apparatus comprises a universal instrument attachment device. The universal instrument attachment device preferably includes...
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6185448 |
Apparatus and method for locating and mapping a catheter in intracardiac operations
An apparatus for locating and mapping a catheter in a heart invasive operation, includes a permanent magnet with a north pole face, a permanent magnet with a south pole face, a frame for...
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6173199 |
Method and apparatus for intubation of a patient
A catheter having a distal end portion including a sensor responsive to the presence of a magnetic field or flux of a predetermined strength is provided. Also provided is a catheter system which...
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6161032 |
Three-axis coil sensor
The present invention relates to magnetic field sensors used to detect the position and orientation of medical probes within the body of a patient. The sensors of the present invention are...
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6129667 |
Luminal diagnostics employing spectral analysis
An invasive probe for determining the morphological characteristics of walls of a lumen employs a real-time tracking means and an optical spectral measurement means. As the probe is advanced within...
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6129669 |
Systems and methods for assessing stability of an ablation electrode in contact with heart tissue
Systems and methods sense stability of an ablation instrument inside a body region. The systems and methods position a tracking element in a fixed location spaced from the ablation instrument. The...
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6112111 |
Method and apparatus for location of a catheter tip
The present invention relates to a method and apparatus used to place a catheter having a distal end and a proximal end where the proximal end cannot be trimmed within a patient. The method and...
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6104944 |
System and method for navigating a multiple electrode catheter
A method for navigating a catheter within a navigational domain includes providing a catheter including locatable electrode elements distributed along and affixed to a length of the catheter. The...
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6096049 |
Light guiding device and method
The present invention provides an instrument adapted for alignment with a light beam, which instrument includes an instrument body having a point of entry of the light beam, a light conducting...
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6087831 |
MR method and MR device for determining the position of microcoil
The invention relates to an MR method and an MR device for determining the position of at least one microcoil (11, 12) which is provided in or on an object (1) to be examined which is situated in...
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6081741 |
Infrared surgical site locating device and method
An apparatus and method for guiding a surgical instrument within and around the human body. During surgery on the body it is often necessary to approach a specific anatomical location precisely and...
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6081740 |
Method and apparatus for imaging and sampling diseased tissue
A method and apparatus for imaging body tissue utilizing autofluorescence. The apparatus includes an endoscope having a distal end, proximal end and a light processing unit located at the proximal...
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6076007 |
Surgical devices and their location
A surgical device, e.g. a catheter or a prosthesis, is disclosed which is characterised in that it carries, at a predetermined location, a tag formed of a high permeability, low coercivity magnetic...
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6073043 |
Measuring position and orientation using magnetic fields
A method and apparatus for determining the position and orientation of a remote object relative to a reference coordinate frame includes a plurality of field-generating elements for generating...
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