A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/042 (2006.01) A61B 18/14 (2006.01)
Patent
CA 2221681
An over-the-wire electrophysiology catheter which has an emitting electrode on the distal tip electrically connected to a source of high frequency electrical energy. The intravascular device is configured to be advanced through a patient's cardiac veins or coronary arteries and preferably is also provided with sensing electrodes for detecting electrical activity of the patient's heart from within a blood vessel of the heart. The device foams large lesions in tissue adjacent to the blood vessel in which the device is located without significantly damaging the blood vessel to effectively terminate signals causing arrhythmia.
L'invention concerne un cathéter entourant un conducteur, pour des applications électrophysiologiques, ayant une électrode émettrice à l'extrémité distale, connectée électriquement à une source d'énergie électrique haute fréquence. Le dispositif intravasculaire est prévu pour avancer par les veines ou les artères coronaires du patient. De préférence, il comporte des électrodes de détection permettant de mesurer l'activité cardiaque du patient à partir d'un vaisseau sanguin proche du coeur. Le dispositif permet de produire des lésions larges dans le tissu jouxtant le vaisseau sanguin dans lequel il se trouve, sans abîmer de manière significative ce vaisseau sanguin et en arrêtant efficacement les signaux provoquant des arythmies.
Cardima Inc.
Dennison Associates
LandOfFree
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