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| Number | Title | Issue Date |
| 7742795 | Tuned RF energy for selective treatment of atheroma and other target tissues and/or structures A catheter and catheter system can use energy tailored for remodeling and/or removal of target material along a body lumen, often of atherosclerotic material of a blood vessel of a patient. An elongate flexible catheter body with a radially expandable structure may ... | 06/22/2010 |
| 7738938 | Catheter and method for mapping a pulmonary vein An improved catheter is provided that is particularly useful for mapping the pulmonary vein and other tubular regions of or near the heart. The catheter comprises an elongated catheter body having a proximal end, a distal end and at least one lumen extending longitu... | 06/15/2010 |
| 7496394 | Internal reference coronary sinus catheter A deflectable unilateral or bidirectional catheter for mapping and/or ablation, has a catheter body and a catheter tip section carrying a reference sensor and a scaffolding structure that is deployed for stabilizing and anchoring the catheter in or near the coronary... | 02/24/2009 |
| 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 |
| 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 |
| 7347826 | Packaging sensors for long term implant According to this technique of packaging a sensor device implantable in a living body so as to provide protection of the sensor device and to the living body itself, an electrical conductor of the sensor device is sealed in an insulating substrate extending between ... | 03/25/2008 |
| 7335161 | Techniques for blood pressure measurement by implantable device An implantable cardiac device is configured and programmed to collect blood pressure waveforms from one or more implantable pressure sensors. Techniques are described for extracting features and reducing noise in the pressure waveforms by averaging waveforms which a... | 02/26/2008 |
| 7331959 | Catheter electrode and rail system for cardiac ablation The instant invention is directed toward an ablation catheter and sheath incorporating wire rail system. The catheter may have a combination of rigid and flexible components to orient an ablation electrode at the distal tip toward the target tissue. The wire rail ac... | 02/19/2008 |
| 7330765 | Cardiac lead having self-expanding fixation features A cardiac lead for placement in the vicinity of a patient's heart is described. The lead includes a self-expanding fixation mechanism, which in a retracted position, is contained within a cavity disposed at a distal end of the lead. In an expanded position, the fixa... | 02/12/2008 |
| 7285116 | Non-contact tissue ablation device and methods thereof A catheter for ablating body tissue of the interior regions of the heart includes a handle assembly, a shaft, and a distal tip section coupled to the distal end of the shaft. The distal tip section has a non-compliant and non-porous cap that has a tubular wall that ... | 10/23/2007 |
| 7276061 | Irrigated ablation device assembly A tissue ablation device assembly ablates a region of tissue in a body of a patient. The tissue ablation device assembly comprises an elongated body having a proximal end portion and a distal end portion. A tubular porous membrane having a porous wall with an inner ... | 10/02/2007 |
| 7274957 | 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... | 09/25/2007 |
| 7264619 | Catheter with flexible cooled electrode A catheter for the treatment of tumors and other affections using hyperthermia induced by radio frequency includes a tubular body with or without an anchoring balloon at its distal end. An active electrode is positioned around the body and connected to a radio frequ... | 09/04/2007 |
| 7257439 | Brain-machine interface systems and methods A system and method for interfacing a brain with a machine. An exemplary embodiment of the present invention employs a vascular approach in which one or more nano-electrodes are deployed in vasculature having a close geometric relationship with proximal innervation.... | 08/14/2007 |
| 7257435 | Catheter and method for mapping a pulmonary vein An improved catheter is provided that is particularly useful for mapping the pulmonary vein and other tubular regions of or near the heart. The catheter comprises an elongated catheter body having a proximal end, a distal end and at least one lumen extending longitu... | 08/14/2007 |
| 7250048 | Ablation system and method of use A system and method for creating lesions and assessing their completeness or transmurality. Assessment of transmurality of a lesion is accomplished by monitoring the impedance of the tissue to be ablated. Rather than attempting to detect a desired drop or a desired ... | 07/31/2007 |
| 7250049 | Ablation catheter with suspension system incorporating rigid and flexible components A curved ablation catheter imparts ablative energy to target tissue, for example, along a trabecular slope, e.g., in the right atrium along the isthmus between the ostium of the inferior vena cava and the tricuspid valve. The catheter is formed with a preset curvatu... | 07/31/2007 |
| 7245955 | Electrophysiology/ablation catheter having deflection assembly An electrophysiology/ablation catheter assembly includes an elongated flexible casing that received a first catheter deflection assembly. Electrical leads are connected to each electrode on a distal portion of the catheter assembly and extend through the casing for ... | 07/17/2007 |
| 7239924 | Electrode line Certain embodiments of the present invention concern an implantable electrode line having a proximal and a distal end, an outer electrode line surface and an electrode line longitudinal axis. The implantable electrode line is characterized in that the electrode line... | 07/03/2007 |
| 7236825 | Cardiac activity sensing during pacing in implantable devices A method and device for sensing cardiac activity that includes a first plurality of electrodes forming a first electrode configuration to sense cardiac activity, a second plurality of electrodes forming a second electrode configuration to sense cardiac activity, and... | 06/26/2007 |
| 7235070 | Ablation fluid manifold for ablation catheter An ablation catheter employing one or more manifold arrangements to convey a conductive fluid medium to a target tissue. The manifold includes at least one inlet port in fluid communication with a fluid supply lumen running along at least a portion of the catheter. ... | 06/26/2007 |
| 7229450 | Kink resistant introducer with mapping capabilities An introducer system for use with a pacemaker lead includes a plastic sheath compatible for insertion within a body, a first end configured for insertion into the body with a second end extending out of the body. A central lumen of the sheath is configured to permit... | 06/12/2007 |
| 7220127 | Heart model A heart model provides a simulative environment for lead implantation and affixation. In one embodiment, removable silicone plugs are provided at appropriate locations so that an inserted lead can be affixed to the plugs with a helical tip. A simulative venous struc... | 05/22/2007 |
| 7218958 | 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... | 05/15/2007 |
| 7195628 | Atrial fibrillation therapy with pulmonary vein support A system and method for treatment of paroxysmal atrial fibrillation by destruction of conductive pathways between the pulmonary veins and the left atrium. A stent is delivered by catheter to the left atrium and to the ostium of a pulmonary vein to be treated. The st... | 03/27/2007 |
| 7192397 | Floatable in vivo sensing device and method for use The invention relates to an in vivo sensing device having a specific gravity of about 1 or a volume to weight ratio that enables it essentially to float. In one embodiment the in vivo sensing device consists of an image sensor system and a buoyant body. The buoyant ... | 03/20/2007 |
| 7186222 | Vascular introducer with temperature monitoring probe and systems for endovascular temperature control An introducer sheath/temperature probe assembly that is insertable into a blood vessel of a human or veterinary patent to measure the temperature of blood flowing through that blood vessel. The introducer sheath/temperature probe assembly may be used in conjunction ... | 03/06/2007 |
| 7187963 | Bidirectional catheter having mapping assembly A bidirectional mapping catheter is provided. The catheter comprises an elongated flexible tubular catheter body having an axis and proximal and distal ends. A mapping assembly, which is mounted at the distal end of the tubular body, has a preformed generally circul... | 03/06/2007 |
| 7184811 | 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 ... | 02/27/2007 |
| 7181260 | Apparatus and method for measuring myocardial oxygen consumption Disclosed is a pulmonary artery catheter (“PAC”) that is used in determining myocardial oxygen consumption. Myocardial oxygen consumption is of critical importance because decreased myocardial energy utilization during acute illness may lead to tissue hypoperfus... | 02/20/2007 |
| 7181262 | 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... | 02/20/2007 |
| 7177702 | Collapsible/expandable electrode leads A medical lead and method of treating a patient are provided. The medical lead comprises an electrically insulative membrane, a resilient spring element associated with the insulative membrane, and at least one electrode associated with the insulative membrane. The ... | 02/13/2007 |
| 7174220 | Construction of a medical electrical lead An implantable cardiac stimulation lead system for use with an implantable stimulation device includes at least a pair of conductors, braided together and extending between proximal and distal ends and co-extruded with flexible resilient insulation material. Each co... | 02/06/2007 |
| 7153301 | Process and device for the treatment of atrial arrhythmia A process for the treatment of atrial arrhythmia by use of ablation procedures comprising circumferential ablation of vessels, particularly pulmonary veins associated with the left atrium of the heart. Also disclosed are medical devices used for formation of the cir... | 12/26/2006 |
| 7142903 | 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... | 11/28/2006 |
| 7137980 | Method and system for controlling output of RF medical generator A closed-loop control system has a user interface for allowing a user to select at least one pre-surgical parameter. The system also has a sensor module for continually sensing at least one of electrical and physical properties proximate a surgical site and generati... | 11/21/2006 |
| 7139614 | Leads for pacing and/or sensing the heart from within the coronary veins A lead for monitoring or stimulating cardiac activity is provided. The lead is adapted for implantation on or about the heart within the coronary vasculature and for connection to a signal generator. The lead body has one or more electrodes associated therewith. The... | 11/21/2006 |
| 7122034 | Curved ablation catheter A curved ablation catheter imparts ablative energy to target tissue, for example, along a trabecular slope, e.g., in the right atrium along the isthmus between the ostium of the inferior vena cava and the tricuspid valve. The catheter is formed with a preset curvatu... | 10/17/2006 |
| 7123951 | 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... | 10/17/2006 |
| 7107105 | Deployable medical lead fixation system and method An improved medical lead assembly and method of use is provided. The lead assembly includes a lead body, and a spring member positioned adjacent to the lead body. The spring member may be deployed a selectable amount to maintain the lead body in a fixed location wit... | 09/12/2006 |
