41
Peter Cheng Chen, Alan de la Rama: Ablation catheter with multiple flexible curves. Irvine Biomedical, July 21, 1998: US05782828 (298 worldwide citation)

An electrophysiology catheter suitable for radiofrequency ablation of cardiac tissue endocardially or epicardially comprises a catheter shaft whereby a distal tip section having multiple steerable curved portions, multiple long electrodes and multiple temperature sensors, further comprising a close- ...


42
David J Parins, Mark A Rydell, Peter Stasz: Ablation catheter with selectively deployable electrodes. Everest Medical Corporation, Haugen and Nikolai, October 15, 1991: US05057107 (297 worldwide citation)

A RF ablation catheter for removing athero-stenotic lesions or modifying the tissue characteristics of the interior walls of selected blood vessels is described. The catheter is characterized in having a tip member which during the initial placement of the catheter within the vascular system so that ...


43
Boaz Avitall: Loop electrode array mapping and ablation catheter for cardiac chambers. Haugen and Nikolai P A, September 17, 1996: US05555883 (296 worldwide citation)

A cardiac arrhythmia mapping and ablation catheter has a main catheter that is provided with a loop-shaped mapping and ablation system attached to its distal end in which the loop is optionally adjustable or of relatively fixed shape resumable upon deployment. The loop carries an electrode array inc ...


44
Michael Nasab, Eric K Y Chan: Multi-channel RF energy delivery with coagulum reduction. Agility Capital, Fitch Even Tabin and Flannery, August 30, 2005: US06936047 (288 worldwide citation)

A system for efficient delivery of radio frequency (RF) energy to cardiac tissue with an ablation catheter used in catheter ablation, with new concepts regarding the interaction between RF energy and biological tissue. In addition, new insights into methods for coagulum reduction during RF ablation ...


45
Peter M J Mulier, Michael F Hoey: Method and apparatus for ablation. Medtronic, Reed A Duthler, Harold R Patton, April 11, 1995: US05405376 (287 worldwide citation)

An ablation catheter and a method of performing cardiac ablation using alcohol or other ablating agents. The catheter is provided with a helical hollow needle, which is screwed into heart tissue, after which the ablating agent is delivered through the needle. Prior to ablation, the catheter may be e ...


46
Mark A Maguire, Martin F O Sullivan, Edward L Carcamo, Michael D Lesh, Alan K Schaer, Kevin J Taylor, Guillermo P Picazo: Medical device with sensor cooperating with expandable member. Atrionix, March 22, 2005: US06869431 (285 worldwide citation)

Disclosed is a method for attaching a sensor to an inflatable balloon. The method involves bonding the sensor to the balloon with an adhesive while the balloon is in an expanded state and then collapsing the balloon after the adhesive has at least partially cured. The method reduces the possibility ...


47
Michel Haissaguerre, Donald F Patterson, James M Fialkowski: Pulmonary vein ablation catheter. C R Bard, Darby & Darby, May 16, 2000: US06064902 (283 worldwide citation)

A catheter for ablating and/or mapping tissue on the inner wall of a blood vessel, including a body portion and a tip portion having a proximal section and a distal section, the proximal section including a proximal ablation electrode and a proximal mapping electrode and the distal section including ...


48
Henry Nita, Timothy C Mills: Ultrasonic ablation catheter device having multiple ultrasound transmission members. Baxter International, Stetina & Brunda, November 29, 1994: US05368557 (278 worldwide citation)

An ultrasound catheter device for transmitting ultrasound into a mammalian body comprising an elongate catheter body having at least one lumen extending longitudinally therethrough. Also extending longitudinally through the lumen are at least two ultrasound transmission members, each of which have a ...


49
Mark T Stewart, James R Skarda: Ablation catheter assembly with radially decreasing helix and method of use. Medtronic, Girma Wolde Michael, Elisabeth L Belden, March 9, 2004: US06702811 (278 worldwide citation)

A catheter assembly for treatment of cardiac arrhythmia. The catheter assembly includes a catheter body and an ablative energy source. The catheter body includes a proximal portion, an intermediate portion, and a distal portion. The intermediate portion extends from the proximal portion and defines ...


50
Donald Cohen: Suction ablation catheter. Cordis Corporation, Gerstman & Ellis, May 23, 1989: US04832048 (272 worldwide citation)

A suction ablation catheter, for use in inactivating portions of the heart's conduction system to prevent abnormal heartbeat rates, comprises a tubular body having an open, distal end and a proximal aperture for applying suction through the catheter and through the distal end. The catheter also has ...