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| Number | Title | Issue Date |
| 8180424 | Catheter having a force sensing distal tip A mapping and ablation catheter with contact force sensing capabilities at a distal end, includes a catheter body, a deflectable section, and a tip distal section which has a tip electrode and a contact force sensor for sensing a 3D contact force vector applied to t... | 05/15/2012 |
| 8103327 | Cardiac mapping catheter A multi electrode catheter for non contact mapping of the heart having independent articulation and deployment features. ... | 01/24/2012 |
| 8086293 | Catheter A catheter includes an outer jacket, a shaft member, a transition member and a core member. The outer jacket has a first interior passage at a proximal end and a second interior passage at a distal end. The shaft member is arranged within the outer jacket. The trans... | 12/27/2011 |
| 8050732 | Apparatus and method for cardiac ablation A system and method for cardiac mapping and ablation include a multi-electrode catheter introduced percutaneously into a subject's heart and deployable adjacent to various endocardial sites. The electrodes are connectable to a mapping unit, an ablation power unit a ... | 11/01/2011 |
| 8000764 | Electrophysiology/ablation catheter having second passage A deflectable tip cardiac electrophysiology/ablation lumen catheter includes first and second passages, one of which communicates with an inflatable member or balloon. The second passage terminates in an opening or port downstream of the inflatable member. The secon... | 08/16/2011 |
| 8000765 | Catheter with contractable mapping assembly The invention is directed to a mapping catheter useful for mapping tubular regions in and around the heart. The catheter comprises an elongated tubular catheter body. A mapping assembly is provided at the distal end of the catheter body. The mapping assembly compris... | 08/16/2011 |
| 7996055 | Cardiac navigation system including electrode array for use therewith A cardiac navigation system including a mapping catheter, a control system coupled to the mapping catheter, an electrode array, and means for driving an electrical current across the electrode array. The mapping catheter includes means for sensing an electrical fiel... | 08/09/2011 |
| 7974674 | Robotic surgical system and method for surface modeling A method of generating a three-dimensional model of at least a portion of a heart includes inserting an electrode within the portion of a heart, robotically moving the electrode therein, periodically detecting position information of the electrode to generate a plur... | 07/05/2011 |
| 7957783 | Electrical lead for an electronic device such as an implantable device A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each of the pairs including a first segment of electrical wire and a seco... | 06/07/2011 |
| 7930012 | Chamber location method A system for mapping electrical activity of a patient's heart. The system includes a set of electrodes spaced from the heart wall and a set of electrodes in contact with the heart wall. Voltage measurements from the electrodes are used to generate three-dimensional ... | 04/19/2011 |
| 7917187 | Catheter having mapping assembly A mapping catheter comprises a catheter body and a mapping assembly. The catheter body has an outer wall, proximal and distal ends, and at least one lumen extending therethrough. The mapping assembly comprises a generally straight proximal region attached to the cat... | 03/29/2011 |
| 7869854 | Apparatus for magnetically deployable catheter with MOSFET sensor and method for mapping and ablation A mapping and ablation catheter is described. In one embodiment, the catheter includes a MOSFET sensor array that provides better fidelity of the signal measurements as well as data collection and reduces the error generated by spatial distribution of the isotropic ... | 01/11/2011 |
| 7853302 | Catheter with contractable mapping assembly The invention is directed to a mapping catheter useful for mapping tubular regions in and around the heart. The catheter comprises an elongated tubular catheter body. A mapping assembly is provided at the distal end of the catheter body. The mapping assembly compris... | 12/14/2010 |
| 7831288 | Method for mapping potential distribution of a heart chamber A method of mapping electrical activity of a patient's heart. The system includes a set of electrodes spaced from the heart wall and a set of electrodes in contact with the heart wall. Voltage measurements from the electrodes are used to generate three-dimensional a... | 11/09/2010 |
| 7826881 | Endocardial chamber mapping system An endocardial mapping system is described to map electric field activity in a heart chamber. The system includes a catheter assembly having an expandable array of electrodes and a plug with each electrode connected to a single connection in the plug. The system als... | 11/02/2010 |
| 7792564 | Device for determining the relative position of a plurality of catheters in the human body Device for determining the relative position of two or more catheters in the human body, there being disposed on each catheter (4, 5), preferably in the area of the catheter tip, at least one measuring electrode (ME1-ME8; ME9, ME10... | 09/07/2010 |
| 7774039 | Multi-bend steerable mapping catheter An electrophysiology catheter introduced through the groin and inferior vena cava into the right side of the heart comprises an elongate flexible shaft having a steerable distal section and a prolapsing section located proximally of the distal section. The distal se... | 08/10/2010 |
| 7720517 | Multifunctional catheter handle The invention is directed to a multifunctional catheter handle. The handle comprises a handle body and a core mounted within the handle body. A piston is provided having a distal end mounted in the handle body and a proximal end extending outside the handle body, to... | 05/18/2010 |
| RE41334 | Endocardial mapping system A system for mapping electrical activity of a patient's heart includes a set of electrodes spaced from the heart wall and a set of electrodes in contact with the heart wall. Voltage measurements from the electrodes are used to generate three-dimensional and two-dime... | 05/11/2010 |
| 7623899 | Catheter with flexible pre-shaped tip section A catheter for mapping and/or ablating continuous linear or circumferential lesions at the intersection of a generally flat structure, such as the left atrium, and the ostium of generally cavernous regions of the heart, including pulmonary vein and the pulmonary ven... | 11/24/2009 |
| 7610073 | Method for mapping a tubular region near the heart A method is provided for mapping electrical activity within a tubular region of or near the heart having a inner circumference, such as a pulmonary vein. The method comprises inserting into the heart a distal end of a mapping catheter. The mapping catheter comprises... | 10/27/2009 |
| 7606609 | Devices and methods for cardiac mapping of an annular region A catheter maps an electrical conduction pattern in an annular region of a heart. The catheter has a tubular shaft that has a pre-shaped curved distal section adjacent the distal end thereof, and at least one lumen extending between the distal end and the proximal e... | 10/20/2009 |
| 7593760 | Catheter with contractable mapping assembly The invention is directed to a mapping catheter useful for mapping tubular regions in and around the heart. The catheter comprises an elongated tubular catheter body. A mapping assembly is provided at the distal end of the catheter body. The mapping assembly compris... | 09/22/2009 |
| 7570981 | System and method for accessing the coronary sinus to facilitate insertion of pacing leads A guiding catheter system employs an outer jacket with one or more inflation lumens provided along the length of the jacket. The lumens are in fluid communication with one or more fluted balloons mounted at a distal end of the outer jacket. A torquable stylet is mov... | 08/04/2009 |
| 7570982 | Catheter having mapping assembly A mapping catheter comprises a catheter body and a mapping assembly. The catheter body has an outer wall, proximal and distal ends, and at least one lumen extending therethrough. The mapping assembly comprises a generally straight proximal region attached to the cat... | 08/04/2009 |
| 7561907 | Catheter having multiple spines each having electrical mapping and location sensing capabilities An improved catheter is provided that is particularly useful for mapping the electrical activity in a heart. The catheter comprises a plurality of spines each capable of obtaining electrical, mechanical and locational data. The catheter comprises an elongated cathet... | 07/14/2009 |
| 7561906 | Electrical lead for an electronic device such as an implantable device A lead for an electronic device which resists the induction of a current from an electromagnetic field external to said lead includes one or more pairs of adjacent segments of electrical wire, each of the pairs including a first segment of electrical wire and a seco... | 07/14/2009 |
| 7522950 | Basket catheter with improved expansion mechanism A catheter is provided that has a basket-shaped electrode assembly with an improved mechanism for expanding and contracting the electrode array. The expansion mechanism is designed to permit reproducible reintroduction of the catheter into the heart. The catheter co... | 04/21/2009 |
| 7519410 | La placian electrode A medical probe for mapping is provided. The medical probe includes an elongated member, a first mapping ring electrode mounted to the elongated member, and a second mapping ring electrode mounted to the elongated member. The first and second mapping ring electrodes... | 04/14/2009 |
| 7474909 | Apparatus for mapping and coagulating soft tissue in or around body orifices A probe that may be used to create circumferential lesions in body tissue and, in some implementations, may also be used to perform mapping functions. The probe includes a collapsible/expandable structure that supports electrodes or other operative elements against ... | 01/06/2009 |
| 7435248 | Medical probes for creating and diagnosing circumferential lesions within or around the ostium of a vessel The present inventions provide assemblies, probes, and methods for creating circumferential lesions in tissue, e.g., the tissue within or around the ostium of a vessel. An ablation probe with an ablative structure can be placed in contact within or around the ostium... | 10/14/2008 |
| 7415300 | Multi-electrode lead A multi-electrode lead (10) comprises an elongate carrier (12) having a longitudinal axis. A plurality of electrical conductors is carried by the carrier (12), a plurality of electrodes being connected in spaced relationship to each conductor. T... | 08/19/2008 |
| 7412273 | Soft linear mapping catheter with stabilizing tip A catheter adapted for mapping near a tubular region of a heart, has an elongated tubular catheter body having proximal and distal ends, an intermediate section distal of the catheter body, and a mapping assembly at the distal end of the intermediate section. The el... | 08/12/2008 |
| 7412274 | Multi-tip steerable catheter An improved catheter is provided that is particularly useful for simultaneously mapping electrical activity at multiple locations within the heart. The catheter comprises an elongated catheter body having proximal and distal ends and at least one lumen extending lon... | 08/12/2008 |
| 7410486 | Ablation catheter having stabilizing array A circumferential ablation catheter is provided, which is particularly useful for treating atrial arrhythmia by ablating a substantial portion of a circumferential region of tissue in a tubular region of or near the heart of a patient. The catheter comprises an elon... | 08/12/2008 |
| 7393352 | Electrode arrangement for use in a medical instrument A medical instrument includes a pair of spaced apart and electrically isolated elongated electrodes positioned adjacent one another on a working member. The electrodes are arranged for sensing electrical activity of biological tissues inside the body of the patient.... | 07/01/2008 |
| 7389148 | Electrode design for defibrillation and/or sensing capabilities A ring electrode for an implantable medical device includes a conductive tubular member adapted to be attached to a lead body and having a continuous generally helical slot formed therein to form a coil thereby enabling omni directional bending. The coil is of flatt... | 06/17/2008 |
| 7371234 | Low profile radiofrequency electrode array An electrosurgical device for tissue ablation includes a delivery cannula having a lumen and an open distal end in communication with the lumen, wherein an electrode array comprising a plurality of tines is deployable from, and retractable into, the cannula lumen th... | 05/13/2008 |
| 7371232 | Catheter having circular ablation assembly A catheter particularly useful for ablation lesions within a tubular region of or near the heart is provided. The catheter comprises an elongated flexible tubular catheter body having an axis and proximal and distal ends. An ablation assembly is mounted at the dista... | 05/13/2008 |
| 7373207 | Treatments for a patient with congestive heart failure The invention is directed to devices for two minimally invasive therapeutic procedures, particularly for patients with congestive heart failure. One procedure involves providing a valve to form a passageway through the patient's left ventricular wall at the apex of ... | 05/13/2008 |
