Method and devices for performing biatrial coagulation
First Claim
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1. A method of treating tissue to create a bi-atrial treatment pattern on a first and a second tissue Where the first tissue and the second tissue are located on opposite sides of a cardiac tissue, the method comprising:
- positioning a first treatment device adjacent to the first tissue;
creating a first partial treatment pattern on the first tissue with the first treatment device, wherein the first partial treatment pattern comprises at least a first plurality of areas of non-viable injury in the first tissue, wherein at least two of the areas of non-viable injury are separated by a gap that allows an electrical impulse to flow therethrough in the cardiac tissue;
determining a position on the second tissue for a second treatment device;
positioning the second treatment device at the position on the second tissue, wherein the second tissue is located on opposite sides of the first tissue; and
creating a second partial treatment pattern on the second tissue with the second treatment device, wherein the second partial treatment pattern comprises at least one area of injury in the second tissue across the gap to form a complete treatment pattern such that the electrical impulse cannot flow across the complete treatment pattern.
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Abstract
Methods and devices described herein facilitate improved treatment of body organs.
44 Citations
21 Claims
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1. A method of treating tissue to create a bi-atrial treatment pattern on a first and a second tissue Where the first tissue and the second tissue are located on opposite sides of a cardiac tissue, the method comprising:
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positioning a first treatment device adjacent to the first tissue; creating a first partial treatment pattern on the first tissue with the first treatment device, wherein the first partial treatment pattern comprises at least a first plurality of areas of non-viable injury in the first tissue, wherein at least two of the areas of non-viable injury are separated by a gap that allows an electrical impulse to flow therethrough in the cardiac tissue; determining a position on the second tissue for a second treatment device; positioning the second treatment device at the position on the second tissue, wherein the second tissue is located on opposite sides of the first tissue; and creating a second partial treatment pattern on the second tissue with the second treatment device, wherein the second partial treatment pattern comprises at least one area of injury in the second tissue across the gap to form a complete treatment pattern such that the electrical impulse cannot flow across the complete treatment pattern. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of creating a treatment pattern in a target tissue, where the target tissue comprises a first tissue surface and a second tissue surface, where the second tissue surface is on an opposite side of the first tissue surface, the method comprising:
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positioning a first medical device adjacent to the first tissue surface; forming a first portion of the treatment pattern along the first tissue surface using the first medical device such that the first portion of the treatment pattern is incomplete; positioning a second medical device having at least one energy source adjacent to the second tissue surface; applying energy adjacent to the second tissue surface using the energy source; observing a location of the energy source through the target tissue from the first tissue surface to locate the second medical device; and repositioning the second medical device on the second tissue surface in response to the location of the first portion of the treatment pattern and using the second medical device to form a second portion of the treatment pattern on the second tissue surface to complete the treatment pattern. - View Dependent Claims (13, 14, 15, 16)
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17. A method of completing a bi-atrial treatment pattern on a second tissue surface opposite to a first tissue surface where the first and second tissue surfaces are on opposite sides of a cardiac tissue, where the first tissue surface comprises a first partial coagulation pattern having a gap that allows an electrical impulse to flow therethrough in the cardiac tissue;
- the method comprising;
locating the gap on the second tissue surface; positioning a treatment device adjacent to the gap on the second tissue surface; coagulating the second tissue surface to produce at least one coagulation area at the gap, where the at least one coagulation area and the partial coagulation pattern form a complete coagulation pattern such that an electrical impulse cannot flow across the complete coagulation pattern. - View Dependent Claims (18, 19, 20, 21)
- the method comprising;
Specification