METHOD AND DEVICES FOR PERFORMING BIATRIAL COAGULATION
First Claim
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1. A method of coagulating tissue to create a bi-atrial coagulation pattern on a first and a second atrial surfaces where the first atrial surface and the second atrial surface are located on opposite sides of the cardiac tissue, the method comprising:
- positioning a first coagulation device adjacent to the first atrial surface of the cardiac tissue;
creating a first partial coagulation pattern on the first atrial surface with the first coagulation device, where the first partial coagulation pattern comprises at least a first plurality of lesions where at least two of the first plurality of lesions are separated by a gap section, where the gap section allows an electrical impulse to flow therethrough in the cardiac tissue;
positioning a second coagulation device adjacent to the second atrial surface of the cardiac tissue; and
creating a second partial coagulation pattern on second surface with the second coagulation device, where the second partial coagulation pattern comprises at least one lesion across the gap to form the complete coagulation pattern such that the electrical impulse cannot flow across the complete coagulation pattern.
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Abstract
Methods and devices described herein facilitate improved treatment of body organs.
43 Citations
26 Claims
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1. A method of coagulating tissue to create a bi-atrial coagulation pattern on a first and a second atrial surfaces where the first atrial surface and the second atrial surface are located on opposite sides of the cardiac tissue, the method comprising:
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positioning a first coagulation device adjacent to the first atrial surface of the cardiac tissue; creating a first partial coagulation pattern on the first atrial surface with the first coagulation device, where the first partial coagulation pattern comprises at least a first plurality of lesions where at least two of the first plurality of lesions are separated by a gap section, where the gap section allows an electrical impulse to flow therethrough in the cardiac tissue; positioning a second coagulation device adjacent to the second atrial surface of the cardiac tissue; and creating a second partial coagulation pattern on second surface with the second coagulation device, where the second partial coagulation pattern comprises at least one lesion across the gap to form the complete coagulation pattern such that the electrical impulse cannot flow across the complete coagulation pattern. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of creating a contiguous lesion pattern in a body, the contiguous lesion pattern comprising multiple lesions on both an interior cardiac surface and an exterior cardiac surface, where the interior and exterior cardiac surfaces are located on opposite sides of a cardiac tissue, the method comprising:
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creating an interior coagulation lesion on an interior cardiac surface; monitoring the exterior cardiac surface for change in the cardiac tissue to identify the location of the interior coagulation lesion on the interior cardiac surface; creating an exterior coagulation lesion on the exterior cardiac surface; and where monitoring the exterior cardiac surface allows placement of the interior coagulation lesion and exterior coagulation to overlap, intersect, and/or join and form the contiguous coagulation lesion pattern such that an electrical impulse travelling in the cardiac tissue cannot cross the contiguous lesion pattern. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method of forming a contiguous coagulation lesion in a tissue of a heart on multiple but opposite atrial surfaces, the method comprising:
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positioning a first coagulation device adjacent to an endocardial surface of the tissue; forming an endocardial coagulation lesion with the first coagulation device; determining a location on the epicardial surface of the tissue that corresponds to an end of the endocardial coagulation lesion formed on the endocardial surface; positioning a second coagulation device at or near the location on the epicardial surface such that creating an epicardial coagulation lesion on the epicardial surface causes the lesions to overlap, intersect, and/or join to form the contiguous coagulation lesion such that an electrical impulse is prevented from flowing in the across the contiguous coagulation lesion.
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26. A method of creating a cardiac coagulation pattern in cardiac tissue using a minimally invasive surgical technique, the method comprising:
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positioning a first coagulation device adjacent to a first cardiac surface; partially forming the cardiac coagulation pattern by applying energy to the first coagulation device to create at least a first plurality of coagulation lesions along the first cardiac surface, where the first plurality of coagulation lesions includes at least two spaced lesions to define a gap section of tissue such that an electrical impulse is able to flow between the two spaced lesions through the gap section of tissue; positioning a second coagulation device adjacent to a second cardiac surface, where the second cardiac surface is on an opposite side of the first cardiac surface; and fully forming the cardiac coagulation pattern by applying energy to the second coagulation device to create at least one bridging coagulation lesion to span the gap section of tissue along the second cardiac surface, where the bridging coagulation lesion prevents an electrical impulse from flowing across the gap section of tissue.
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Specification