Apparatus and methods for forming lesions in tissue and applying stimulation energy to tissue in which lesions are formed
First Claim
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1. An apparatus for use with a clamp including a first clamp member and a second clamp members that are connected to each other and configured to engage tissue, the apparatus comprising:
- an energy source;
a first energy transmission device connected to the energy source and configured to be removably secured to the first clamp member, the first energy transmission device comprising a first electrically non-conductive mounting device and a first tissue ablation electrode;
a second energy transmission device connected to the energy source and configured to be removably secured to the second clamp member, the second energy transmission device comprising a second electrically non-conductive mounting device and a second tissue ablation electrode, the first energy transmission device and the second energy transmission device being cooperatively operable to ablate tissue therebetween; and
a first stimulation electrode carried by the first energy transmission device such that the first stimulation electrode is located between the first energy transmission device and the second energy transmission device, the first stimulation electrode being located in spaced relation to, and located between, the first tissue ablation electrode and the second tissue ablation electrode, the first stimulation electrode being configured to provide stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue.
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Abstract
An apparatus including a tissue coagulation device that creates a current path and a stimulation electrode carried within the current path.
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Citations
32 Claims
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1. An apparatus for use with a clamp including a first clamp member and a second clamp members that are connected to each other and configured to engage tissue, the apparatus comprising:
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an energy source; a first energy transmission device connected to the energy source and configured to be removably secured to the first clamp member, the first energy transmission device comprising a first electrically non-conductive mounting device and a first tissue ablation electrode; a second energy transmission device connected to the energy source and configured to be removably secured to the second clamp member, the second energy transmission device comprising a second electrically non-conductive mounting device and a second tissue ablation electrode, the first energy transmission device and the second energy transmission device being cooperatively operable to ablate tissue therebetween; and a first stimulation electrode carried by the first energy transmission device such that the first stimulation electrode is located between the first energy transmission device and the second energy transmission device, the first stimulation electrode being located in spaced relation to, and located between, the first tissue ablation electrode and the second tissue ablation electrode, the first stimulation electrode being configured to provide stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for use with a clamp including a first clamp member and a second clamp member that are connected to each other and configured to engage tissue, the apparatus comprising:
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an energy source; a first energy transmission device connected to the energy source and configured to be removably secured to the first clamp member; a second energy transmission device connected to the energy source and configured to be removably secured to the second clamp member, the first energy transmission device and the second energy transmission device defining a current path therebetween such that the first energy transmission device and the second energy transmission devices are cooperatively operable to ablate tissue therebetween; a first stimulation electrode carried within the current path by the first energy transmission device, the first stimulation electrode being configured to provide stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue; and a second stimulation electrode carried within the current path by the second energy transmission device. - View Dependent Claims (9, 10)
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11. An apparatus for use with a clamp including a first clamp member and a second clamp member that are connected to each other and configured to engage tissue, the apparatus comprising:
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an energy source; a first energy transmission device connected to the energy source and configured to be removably secured to the first clamp member, wherein the first energy transmission device comprises a first electrically non-conductive mounting device and a first tissue ablation electrode; a second energy transmission device connected to the energy source and configured to be removably secured to the second clamp member, the second energy transmission device comprising a second electrically non-conductive mounting device and a second tissue ablation electrode, and the first energy transmission device and the second energy transmission device defining a current path therebetween such that the first energy transmission device and the second energy transmission device are cooperatively operable to ablate tissue therebetween; and a first stimulation electrode carried within the current path by the first energy transmission device, the first stimulation electrode being located in spaced relation to, and located between, the first tissue ablation electrode and the second tissue ablation electrode, the first stimulation electrode being configured to provide stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue. - View Dependent Claims (12, 13)
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14. A clamp, comprising:
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a first clamp member and a second clamp member configured to engage tissue, at least one of the first clamp member and the second clamp member being movable relative to the other of the first clamp member and the second clamp member; a first energy transmission element carried by the first clamp member, the first energy transmission element comprising a first tissue ablation electrode; a second energy transmission element carried by the second clamp member, the second energy transmission element comprising a second tissue ablation electrode; and a first stimulation electrode located between the first energy transmission element and the second energy transmission element, the first stimulation electrode being located in spaced relation to, and located between, the first tissue ablation electrode and the second tissue ablation electrode and being configured to provide stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A clamp, comprising:
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a first clamp member and a second clamp member that are configured to engage tissue, at least one of the first clamp member and the second clamp member being movable relative to the other of the first clamp member and the second clamp member; a first energy transmission element carried by the first clamp member; a second energy transmission element carried by the second clamp member; and a first stimulation electrode located between the first energy transmission element and the second energy transmission elements, wherein the first energy transmission element and the second energy transmission element define a current path therebetween and the first stimulation electrode is located carried within the current path, and the first stimulation electrode is configured to provide stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue.
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22. An apparatus, comprising:
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a support structure; a tissue ablation electrode carried by the support structure; a resilient structure configured to retain ionic fluid mounted on at least a portion of the tissue ablation electrode; and a stimulation electrode carried by the resilient structure in spaced relation to, and aligned with, the tissue ablation electrode, the stimulation electrode being configured to provide stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. An apparatus for use with a clamp including a first clamp member and a second clamp member configured to engage tissue, the apparatus comprising:
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an energy source; a first energy transmission device connected to the energy source and configured to be removably secured to the first clamp member; a second energy transmission device connected to the energy source and configured to be removably secured to the second clamp member, the first energy transmission device and the second energy transmission device defining a current path therebetween; and a first stimulation electrode carried within the current path by the first energy transmission device, the first stimulation electrode being configured to emit up to about 10 microwatts of stimulation energy to tissue that does not form a transmural or therapeutic lesion in the tissue.
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Specification