1
Paul C Nardella: Fluid cooled ablation catheter. American Cardiac Ablation Co, Lahive & Cockfield, August 2, 1994: US05334193 (931 worldwide citation)

A thin, elongate and flexible ablation catheter, suitable for delivery to an internal organ, comprises a fluid delivery lumen centrally located within the catheter, and first and second electrodes disposed on an outer surface of the catheter. The electrodes preferably are helically oriented about th ...


2
Neal E Fearnot: Ablation catheter. Medical Engineering & Development Institute, Richard J Godlewski, March 31, 1992: US05100423 (807 worldwide citation)

An ablation catheter is provided with an elongated member or shaft and a plurality of helically-shaped cutting wires attached to the shaft to form a cutting basket. Each of the cutting wires has a section formed as a circumferentially subscribing arc and together the wires present a circumferential ...


3
Gregory G Brucker, Steven D Savage: Ablation catheter system. Angeion Corporation, Patterson & Keough, March 19, 1996: US05500012 (781 worldwide citation)

An ablation catheter system, including a guiding/mapping catheter assembly and a laser catheter. The guiding/mapping catheter includes ring electrodes, tip electrodes, a moveable fixation wire, and a central catheter lumen for an ablation catheter. A laser catheter includes an optical fiber for pass ...


4
David J Parins, Mark A Rydell, Peter Stasz: Ablation catheter with selectively deployable electrodes. Everest Medical Corporation, December 11, 1990: US04976711 (771 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 ...


5
John E Abele: Heart ablation catheter with expandable electrode and method of coupling energy to an electrode on a catheter shaft. Boston Scientific Corporation, Lyon & Lyon, January 19, 1999: US05860974 (727 worldwide citation)

An expandable ablation electrode is provided on a catheter constructed to access the heart. When the electrode is introduced to the heart, it is small and suitably flexible to maneuver through the torturous path. However, when the catheter is in place in the heart, the electrode is expansible in dia ...


6
David J Parins, Mark A Rydell, Peter Stasz: Ablation catheter with selectively deployable electrodes. Everest Medical Corporation, Haugen and Nikolai, June 30, 1992: US05125928 (648 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 ...


7
Michael D Lesh, Patrick M Owens, Jerome Jackson: Cardiac imaging and ablation catheter. The Regents of the University of California, Townsend and Townsend Khourie and Crew, January 31, 1995: US05385148 (609 worldwide citation)

Method and apparatus for ablation of cardiac tissue includes a catheter (2, 60) having an elongated flexible body (6, 64), a tissue characterization assembly including a transducer (34) at the distal end (16) of the body and a tissue ablation assembly having a tissue ablation tip (32) at the distal ...


8
Peter Stasz: Ultrasonically enhanced RF ablation catheter. Everest Medical Corporation, Haugen and Nikolai, June 26, 1990: US04936281 (580 worldwide citation)

An electrosurgical angioplasty catheter with ultrasonic enhancement is described. It comprises an elongated, flexible plastic tubular body having located at its distal tip an electrode structure for effecting rf cutting along with a transducer for ultrasonically driving the rf cutting electrodes and ...


9
Boaz Avitall: Deflectable loop electrode array mapping and ablation catheter for cardiac chambers. Haugen and Nikolai, November 23, 1993: US05263493 (578 worldwide citation)

A cardiac arrhythmia mapping and ablation catheter has a main catheter that is provided with a mapping and ablation system attached to its distal end which includes an adjustable loop carrying an electrode array including a plurality of parallel-connected, separately operable mapping/ablation electr ...


10
Paul C Nardella: Ablation catheter positioning system. American Cardiac Ablation Co, Lahive & Cockfield, August 30, 1994: US05341807 (540 worldwide citation)

A multi-electrode cardiac catheter has pairs of electrodes connected to sensing circuitry to produce a differential signal. The sensing output is sharply defined and self-normalizing. Preferably a catheter ablation tip electrode is an electrode of one pair, and the differential signal becomes non-ze ...