Tissue stabilization and ablation devices and methods

Details Tissue stabilization and ablation devices and methods Tissue stabilization and ablation devices and methods

2007-07-03

2007-07-03

Cohen, Lee S. (Department: 3739)

Surgery

Miscellaneous

Methods

C606S041000

Reexamination Certificate

active

10272541

ABSTRACT:
Tissue stabilization and ablation devices and methods provide techniques for stabilizing and ablating body tissues during surgical ablation procedures. In many embodiments, for example, devices may be used in minimally invasive techniques for ablating epicardial tissue adjacent one or more pulmonary veins to treat atrial fibrillation. Tissue stabilization and ablation devices generally include a rigidifying bladder coupled with an ablation member. The devices may additionally include a tissue stabilizing bladder or means within the rigidifying bladder for enhancing tissue stabilization. The rigidifying bladder conforms to a tissue surface and then stiffens to help the device hold its shape and position and to stabilize the tissue. The ablation member is then used to ablate an area of tissue. Such cardiac stabilization and ablation devices and methods may be used to ablate one or more patterns on the epicardial surface of a heart to treat atrial fibrillation and/or other cardiac arrhythmias.

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Octopus™ Tissue Stabilizer and Accessory Products, “Defining the Future of Minimally Invasive and Beating Heart Cardiac Surgery”, Jan. 15, 1998.
Medtronic Advertisement, Aug. 1997, The Annals of Thoracic Surgery.

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