Patent application number | Description | Published |
20090093857 | SYSTEM AND METHOD TO EVALUATE ELECTRODE POSITION AND SPACING - An IMD can be implanted into a patient to address various conditions. The IMD case and leads can have various electrodes and other portions to measure various physiological conditions. For example, a selected current can be generated between two electrodes, either external or internal in the patient, and a voltage can be measured by one or more electrodes of the IMD. A voltage can be measured at two or more locations to determine a relative motion of different electrodes. If the electrodes are in different portions of the heart, a determination can be made of a relative motion or position of the heart or portions of the heart. | 04-09-2009 |
20090262109 | ILLUSTRATING A THREE-DIMENSIONAL NATURE OF A DATA SET ON A TWO-DIMENSIONAL DISPLAY - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090262979 | Determining a Material Flow Characteristic in a Structure - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090262980 | Method and Apparatus for Determining Tracking a Virtual Point Defined Relative to a Tracked Member - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090262982 | Determining a Location of a Member - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090262992 | Method And Apparatus For Mapping A Structure - An area of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of an area or volume can be determined based upon the sensing of the plurality of points without the use of an imaging device. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264727 | METHOD AND APPARATUS FOR MAPPING A STRUCTURE - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264738 | METHOD AND APPARATUS FOR MAPPING A STRUCTURE - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264739 | Determining a position of a member within a sheath - A system for determining a location of an instrument within an anatomy is provided. The system can include a first instrument, which can define at least one lumen. The system can further include a second instrument, which can be received through the at least one lumen. The system can include at least one electrode, which can be coupled to a distal end of the first instrument. The electrode can be responsive to electrical activity to generate at least one signal. The system can include a sensing unit, which can be in contact with the anatomy to sense electrical activity within the anatomy at a location near the instrument. The sensing unit can be in communication with the electrode to receive the signal. The system can further include a control module that can determine, based on the sensed electrical activity and the signal, the location of the first instrument. | 10-22-2009 |
20090264740 | Locating an Introducer - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264741 | Determining a Size of A Representation of A Tracked Member - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264742 | Determining and Illustrating a Structure - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264743 | Interference Blocking and Frequency Selection - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264744 | Reference Structure for a Tracking System - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264745 | Method and Apparatus To Synchronize a Location Determination in a Structure With a Characteristic of the Structure - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264746 | TRACKING A GUIDE MEMBER - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264747 | DETERMINING AND ILLUSTRATING TRACKING SYSTEM MEMBERS - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264748 | VOLUMETRICALLY ILLUSTRATING A STRUCTURE - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264749 | IDENTIFYING A STRUCTURE FOR CANNULATION - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264750 | LOCATING A MEMBER IN A STRUCTURE - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264751 | DETERMINING THE POSITION OF AN ELECTRODE RELATIVE TO AN INSULATIVE COVER - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264752 | Method And Apparatus For Mapping A Structure - An area of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of an area or volume can be determined based upon the sensing of the plurality of points without the use of an imaging device. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264777 | Determining a Flow Characteristic of a Material in a Structure - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090264778 | Uni-Polar and Bi-Polar Switchable Tracking System between - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090265128 | CORRECTING FOR DISTORTION IN A TRACKING SYSTEM - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-22-2009 |
20090267773 | Multiple Sensor for Structure Identification - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-29-2009 |
20090297001 | Method And Apparatus For Mapping A Structure - An area of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of an area or volume can be determined based upon the sensing of the plurality of points without the use of an imaging device. An implantable medical device can then be navigated relative to the mapping data. | 12-03-2009 |
20100004724 | CHRONICALLY-IMPLANTABLE ACTIVE FIXATION MEDICAL ELECTRICAL LEADS AND RELATED METHODS FOR NON-FLUOROSCOPIC IMPLANTATION - Bio-impedance may be used for navigation systems to chronically implant pacing and defibrillation leads in the heart using anon-fluoroscopic position sensing unit (PSU), such as a modified LocaLisa® system from Medtronic Inc., which allows for variable frequency sampling of the position of electrode of a catheter. The PSU injects small AC signals via surface electrodes in three orthogonal axes, each on a slightly different frequency (e.g., near 30 KHz). Indwelling electrodes electrically connected to the PSU resolves the magnitude of induced voltage for each of the three frequencies, thus measuring voltage for each of the three axes. Voltages are divided by induced current to yield impedance in each axis for each electrode. Impedance is proportional to position within the body. Such a system requires that a conductive material, such as a retractable helical tip-electrode, be exposed during implantation. Since the tip is retracted during implantation, this disclosure provides a modified distal portion employing at least one aperture (or “window”) for fluid exposure of the helix-electrode and a deployable internal sleeve for covering the aperture(s) when the helix-electrode is extended. | 01-07-2010 |
20100179607 | METHOD AND SYSTEM FOR DETECTING AND TREATING JUNCTIONAL RHYTHMS - A method and an apparatus for treating cardiac arrhythmias are provided. An interval between first and second consecutive beats of a heart, having first and second chamber types, is determined. The heart is paced at a first rate if the first beat is from the first chamber type and the second beat is from the second chamber type and the interval is less than a predetermined amount of time or if the first and second beats are both from the second chamber type. The heart is paced at a second rate if the first beat is from the first chamber type and the second beat is from the second chamber type and the interval is more than the predetermined amount of time. | 07-15-2010 |
20110054293 | Combination Localization System - A navigation system or combination of navigation systems can be used to provide two or more navigation modalities to navigate a single instrument in a volume. For example, both an Electromagnetic (EM) and Electropotential (EP) navigation system can be used to navigate an instrument within the volume. Image data can also be illustrated relative to a tracked position of the instrument in the volume for navigation. | 03-03-2011 |
20110054304 | Combination Localization System - A navigation system or combination of navigation systems can be used to provide two or more navigation modalities to navigate a single instrument in a volume. For example, both an Electromagnetic (EM) and Electropotential (EP) navigation system can be used to navigate an instrument within the volume. Image data can also be illustrated relative to a tracked position of the instrument in the volume for navigation. | 03-03-2011 |
20110106203 | SYSTEM AND METHOD TO EVALUATE ELECTRODE POSITION AND SPACING - A method and apparatus for tracking and illustrating the location of leads positioned within the volume is disclosed. For example, the lead electrodes can be positioned within a heart of a patient that can be tracked over time. The lead electrodes can be tracked with an electrode potential or bioimpedance tracking system to determine the position of the lead electrodes. A method and apparatus is disclosed to analyze the position information for analyzing the selected position of the lead electrodes. | 05-05-2011 |
20110160557 | TESTING COMMUNICATION DURING IMPLANTATION - A system and method are described for testing communication through a patient during implantation using telemetry coupling electrodes on a delivery catheter. In one example, at least two telemetry coupling electrodes may be placed on or within a delivery catheter to test conductive communication with external body electrodes during implantation. In some instances, the telemetry coupling electrodes of the delivery catheter may approximate the spacing of telemetry electrodes on an IMD. In this manner, testing conductively coupled communication with telemetry coupling electrodes of the catheter may be used to mimic the telemetry electrodes on the IMD and determine a target position and/or orientation of an electrode or electrodes of the IMD for successful conductive communication through the body. | 06-30-2011 |
20110160801 | COMMUNICATION WITH AN IMPLANTABLE MEDICAL DEVICE DURING IMPLANTATION - A system and method are described for delivering an implantable medical device in a patient and through a catheter. The delivery catheter comprises telemetry means for communicatively coupling the implantable medical device with an external instrumentation during implantation. | 06-30-2011 |
20110208075 | System and Method for Guide Wire Detection - A system for detecting a protrusion of a conductor within an anatomy is provided. The system can include a conductor, an insulator and a protrusion module to indicate a protrusion if the conductor protrudes from the insulator within the anatomy. The conductor can comprise a guide wire, a stylet, a pacing lead, a defibrillation lead, or other conductive instruments. The insulator can comprise a catheter, a sheath a cannula or other insulative instruments. The system can detect protrusion based on an impedance or an electrogram measurement. | 08-25-2011 |
20120046558 | METHOD AND APPARATUS FOR DISTINGUISHING EPILEPTIC SEIZURE AND NEUROCARDIOGENIC SYNCOPE - A system and method for distinguishing an epileptic event from a syncope event that includes sensing a signal, generating sensed intervals in response to the sensed signal, generating an indication signal in response to an occurrence of an event, determining a marginality in response to the generated indication signal and the sensed intervals, and determining the event as being one of the epileptic event and the syncope event in response to the determined marginality. | 02-23-2012 |
20120108953 | CATHETER WITH CORONARY SINUS OSTIUM ANCHOR - A method of treating cardiac tissue is provided, including positioning a first chamber of a medical device adjacent an atrial wall; directing a cryogenic coolant into the first chamber; anchoring the first chamber to the atrial wall through cryoadhesion; directing a distal portion of the medical device into the coronary sinus; and positioning a cardiac lead through at least a portion of the coronary sinus with the distal portion. The method may include measuring a temperature of the first chamber; removing the first chamber from the atrial wall once a predetermined threshold temperature of the first chamber is reached; anchoring a second chamber of the medical device to a portion of the coronary sinus; and/or perfusing blood flow through at least a portion of the second chamber. | 05-03-2012 |
20120130232 | Illustrating a Three-Dimensional Nature of a Data Set on a Two-Dimensional Display - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 05-24-2012 |
20120189173 | IMAGE DISPLAY - A medical imaging system having a medical image capture device; a medical measurement device; a display coupled to the image capture device and the medical measurement device, the display displaying: a medical image obtained from the medical image capture device; a medical measurement obtained from the medical measurement device, the medical measurement segmenting the medical image on the display; and a border substantially surrounding the medical measurement, the border defining a region of the display excluding the medical image. | 07-26-2012 |
20120190993 | LOCATING AN INDICATOR - A system to determine and illustrate a location of position element within a volume is disclosed. The position element can be used to determine the position of a portion of an instrument. The instrument can include one or both of a cannulated member and a lead member passed through the cannula. | 07-26-2012 |
20120191080 | Method and Apparatus for Regulating the Formation of Ice On A Catheter - A method and apparatus is provided, including regulating the generation and formation of ice and active warming of an instrument applied to the tissue of a patient. The method may include measuring a parameter from a sensor disposed on the instrument. The forming of ice and active warming of the instrument may be via a thermal source in fluid communication with the instrument. | 07-26-2012 |
20120191081 | Method and Apparatus for Regulating The Formation Of Ice On A Catheter - A method and apparatus is provided, including regulating the generation and formation of ice and active warming of an instrument applied to the tissue of a patient. The method may include measuring a parameter from a sensor disposed on the instrument. The forming of ice and active warming of the instrument may be via a thermal source in fluid communication with the instrument. | 07-26-2012 |
20120191082 | Method And Apparatus For Regulating The Formation Of Ice On A Catheter - A method and apparatus is provided, including regulating the generation and formation of ice on an elongate body applied to the tissue of a patient. The method may include measuring a parameter from a sensor disposed on the instrument. The forming of ice and active warming of the instrument may be via a thermal source in fluid communication with the instrument. | 07-26-2012 |
20120226110 | Multiple Sensor Input for Structure Identification - A volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 09-06-2012 |
20120271340 | Method and Apparatus for Embolic Protection During Heart Procedure - A method and apparatus is provided for embolic protection during a heart procedure to ablate an arrhythmia of the heart of the patient. The method may include placing an embolic protection filter and reshaping the mitral valve annulus. | 10-25-2012 |
20120271341 | Method and Apparatus for Treating a Mitral Valve Prolapse and Providing Embolic Protection - A method and apparatus for treating a mitral valve prolapse and providing embolic protection in a patient is disclosed. An embolic protection filter is delivered to the left atrium and placed in the blood flow exiting the left atrium of the heart. The filter is secured in the heart of a patient. A shaping member is delivered to the mitral valve of the heart and secured in the heart. | 10-25-2012 |
20130267840 | Method and Apparatus for Mapping a Structure - An area of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of an area or volume can be determined based upon the sensing of the plurality of points without the use of an imaging device. An implantable medical device can then be navigated relative to the mapping data. | 10-10-2013 |
20130281813 | Reference Structure For A Tracking System - An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. Therefore, a map of a volume can be determined based upon the sensing of the plurality of points without the use of other imaging devices. An implantable medical device can then be navigated relative to the mapping data. | 10-24-2013 |