|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
6064905 |
Multi-element tip electrode mapping catheter
A mapping catheter comprises a catheter body, a handle and a tip section. The catheter body has an outer wall, proximal and distal ends and at least one lumen extending therethrough. The handle is...
|
|
|
6059718 |
Endoscope form detecting apparatus in which coil is fixedly mounted by insulating member so that form is not deformed within endoscope
Magnetic-field generating elements or magnetic-field detecting elements are fixed into an insertion part having elasticity, which is inserted into a subject, by an insulating material while...
|
|
|
6061588 |
Catheter apparatus for positioning a wire
A method and apparatus for positioning a radioactive portion of a wire at one or more positions within the lumen of a guide catheter, such as for intravascular radiotherapy, are disclosed. The...
|
|
|
6052610 |
Magnetic catheter tracker and method therefor
A method, apparatus, and system for tracking an object within a volume, includes coupling a rotating magnetic dipole to the object, measuring the magnetic fields either remotely, on the surface of,...
|
|
|
6038488 |
Catheter simulation device
A device for tracking the translational and rotational displacement of an object having two degrees of freedom using a single point of contact with the object. The device is particularly useful in...
|
|
|
6038467 |
Image display system and image guided surgery system
An image display system is provided with an image display apparatus (1) for displaying an image, the image being dependent on the position and orientation of the image display apparatus and...
|
|
|
6038468 |
Catheter localisation system
A catheter localization system for determining a position of a catheter (1, 2) within a part of the human or animal body (3), comprising at least one catheter (1, 2) having a plurality of acoustic...
|
|
|
6035226 |
Systems and methods for assessing stability of an operative instrument inside a body region
Systems and methods sense the stability of an operative instrument, e.g., an ablation electrode, inside a body region. An electrical field is established inside the body region between an...
|
|
|
6023636 |
Magnetic resonance apparatus and method for determining the location of a positionable object in a subject
In a method for the location determination of a positionable object in an examination subject by means of magnetic resonance and apparatus for the implementation of the method a reference image is...
|
|
|
6016439 |
Method and apparatus for synthetic viewpoint imaging
Medical apparatus for synthetic view point imaging includes an instrument insertable into the body of a patient. Using tissue image information defining an image of the patient's body, and defining...
|
|
|
6014580 |
Device and method for specifying magnetic field for surgical applications
A device and method for specifying the orientation of a magnetic field produced in a patient to aid surgical procedures involving an implanted magnet. The device includes a processor, a pointing...
|
|
|
6006123 |
Electrode catheter system and methods for using same
A method for positioning an electrode catheter system having safety means at its distal section within a heart chamber comprises percutaneously introducing the distal end of a catheter through an...
|
|
|
5997473 |
Method of locating a coil which consists of determining the space occupied by a source coil generating a magnetic field
Insertion of a probe comprising an array of 16 source coils through a forceps channel of an electronic endoscope prepares the source coils in the insert of electronic endoscope for use in...
|
|
|
5999840 |
System and method of registration of three-dimensional data sets
An image data registration system and method of storing a first data set of three-dimensional image data associated with a predetermined portion of an object with reference to a first coordinate...
|
|
|
5997883 |
Retrospective ordering of segmented MRI cardiac data using cardiac phase
A method is disclosed to reconstruct multiphase MR images that accurately depict the entire cardiac cycle. A segmented, gradient-recalled-echo sequence is modified to acquire data continuously....
|
|
|
5954649 |
Catheter system having ultrasound locating capabilities
An improved catheter system having ultrasound locating capabilities comprising a locator catheter and an ultrasound receiver catheter resulting in an effective electrophysiology procedure without...
|
|
|
5954655 |
Method for localizing a lesion using an optical fiber
Optical localization fiber embodiments (200, 260, 270, 290, 310, 330, and 350) suitable for preoperative localization of soft tissue lesions by X-ray mammography, CT MRI, ultrasonography or nuclear...
|
|
|
5951472 |
MR system and invasive device for interventional procedures
An MR system for interventional procedures, includes an MR device and an invasive device. The MR device is arranged to acquire images of a part of an object. A part of the invasive device can be...
|
|
|
5944023 |
Systems and methods for determining the location of an implanted device including a magnet
A passive system for accurately determining the location of a device positioned or implanted within a patient's body is disclosed. The system includes a detectable mechanism mounted at the tip of...
|
|
|
5938603 |
Steerable catheter with electromagnetic sensor
A steerable electromagnetic catheter comprises a catheter body, tip section, and control handle. The catheter body has proximal and distal ends and at least one lumen extending therethrough. The...
|
|
|
5938602 |
Catheter tracking system and method
A catheter tracking system for tracking and monitoring a position of a catheter head within the human or animal body includes a self-referencing catheter. The self-referencing catheter includes an...
|
|
|
5936406 |
Method for determining the position of a local antenna in an examination chamber of a magnetic resonance apparatus
In a method for determining the position of at least one local antenna in an examination chamber of a magnetic resonance apparatus, magnetic resonance signals emitted by a body arranged in the...
|
|
|
5928248 |
Guided deployment of stents
A stent is placed in a tubular structure of the anatomy such as the vascular or respiratory system by advancing a probe bearing the stent into the body. The disposition of the probe, and hence the...
|
|
|
5930329 |
Apparatus and method for detection and localization of a biopsy needle or similar surgical tool in a radiographic image
A method for the detection and localization of a surgical tool in a radiographic image, including an image of a surgical device and an anatomical background image, includes the steps of generating...
|
|
|
5916162 |
Invasive device for use in a magnetic resonance imaging apparatus
An invasive device which is intended to cooperate with a magnetic resonance imaging apparatus is provided with an RF coil which is situated near a distal part of the invasive device. The RF coil is...
|
|
|
5906579 |
Through-wall catheter steering and positioning
A method of positioning a catheter, for example a balloon or treatment catheter. The catheter is inserted in a passage and sensed through the luminal wall to correctly determine its position. As...
|
|
|
5906578 |
Method and system for probe positioning in transesophageal echocardiography
A method of optimally positioning an imaging device comprising the steps of storing a reference image; continuously obtaining an acquired view with the imaging device; determining whether the...
|
|
|
5902238 |
Medical tube and apparatus for locating the same in the body of a patient
A medical tube, apparatus and method for locating the medical tube within the body of a patient. The medical tube has a permanent magnet associated therewith and is capable of being located by a...
|
|
|
5899860 |
Method and device for determining the position of a catheter inside the body of a patient
In a method and apparatus for determining the position of a catheter inside the body of a patient, position signals are transmitted between the catheter and a position location unit, located at a...
|
|
|
5882304 |
Method and apparatus for determining probe location
A magnetic probe (1) for use with a magnetic resonance imaging apparatus comprises an electron spin resonance (ESR) magnetometer. The position of the probe (1) tracked by measuring the resonant...
|
|
|
5868674 |
MRI-system and catheter for interventional procedures
An MR system for interventional procedures, includes an MR imaging device and an interventional instrument, for example a catheter. The MR device is arranged to acquire images of a part of an...
|
|
|
5868675 |
Interactive system for local intervention inside a nonhumogeneous structure
An interactive system for a local intervention inside a region of a non-homogeneous structure, such as the skull of a patient, which is related to the frame of reference (R 2 ) of an operation...
|
|
|
5846198 |
Apparatus for localizing action currents in the heart
An apparatus for localizing action currents in the heart of a living subject has electrodes for acquiring a distribution of electrical potential on the body surface of the living subject generated...
|
|
|
5840025 |
Apparatus and method for treating cardiac arrhythmias
This invention concerns an apparatus and method for the treatment of cardiac arrhythmias. More particularly, this invention is directed to a method for ablating a portion of an organ or bodily...
|
|
|
5810728 |
MR imaging method and apparatus for guiding a catheter
The invention relates to an MR imaging method in which a plurality of sequences, each of which comprises at least one RF pulse and at least one magnetic gradient field, act on an examination zone...
|
|
|
5810841 |
Energy guided apparatus and method with indication of alignment
An invasive instrument, such as a biopsy needle, syringe or drill, is adapted to be guided by an energy beam such as a laser beam along a predefined line of sight path toward a subsurface target....
|
|
|
5792055 |
Guidewire antenna
A medical appliance for use in magnetic resonance imaging procedures. A guidewire for vascular procedures is formed by a coaxial cable acting as antenna in a magnetic resonance imaging system.
|
|
|
5782765 |
Medical positioning system
A method and apparatus for positioning a probe inside a patient including a plurality of transmitter/receiver nodes arranged around the patient for communicating with the probe and generating...
|
|
|
5782771 |
Dual, fused, and grooved optical localization fibers
Optical localization fiber embodiments (200, 260, 270, 290, 310, 330, and 350) suitable for preoperative localization of soft tissue lesions by X-ray mammography, CT MRI, ultrasonography or nuclear...
|
|
|
5769843 |
Percutaneous endomyocardial revascularization
A system and method for percutaneous myocardial revascularization uses laser energy emitted from the distal end of a catheter. A technique for controlling beam direction allows the creation of...
|
|
|
5762064 |
Medical magnetic positioning system and method for determining the position of a magnetic probe
A medical magnetic positioning system and method for determining the position of a magnetic probe inside a body of an individual in which at least two spaced magnetometers are fastened to an area...
|
|
|
5752518 |
Systems and methods for visualizing interior regions of the body
An imaging system for visualizing an interior body region comprises a catheter tube having a proximal end and a distal end adapted for introduction into the interior body region. The distal end...
|
|
|
5752513 |
Method and apparatus for determining position of object
Apparatus for determining the position of a probe in a sensing volume includes a plurality of magnetic field generating sources for generating different magnetic fields in the sensing volume, where...
|
|
|
5740808 |
Systems and methods for guilding diagnostic or therapeutic devices in interior tissue regions
A catheter tube carries an operative element, such as, for example, an imaging element to visualize tissue. The catheter tube also carries a support structure, which surrounds the operative...
|
|
|
5730129 |
Imaging of interventional devices in a non-stationary subject
A tracking system monitors the position of a device within a subject and superimposes a graphic symbol on a diagnostic image of the subject. Registration of the tracked location with the diagnostic...
|
|
|
5729129 |
Magnetic location system with feedback adjustment of magnetic field generator
A system for locating objects in space, such as medical instruments within the body of a patient, based upon transmission of magnetic fields from coils in a fixed frame of reference to sensors on...
|
|
|
5711299 |
Surgical guidance method and system for approaching a target within a body
A surgical guidance system includes a magnetic field generator carried by a support frame, a guidance system controller, at least one magnetic field sensor located at a surgical instrument, and a...
|