ABLATION APPARATUS AND METHOD
First Claim
Patent Images
1. A method of tissue treatment, comprising:
- providing an introducer that comprises one or more deployable means comprising at least one anchoring means;
positioning a distal portion of the introducer within or adjacent to a selected tissue mass;
deploying the at least one anchoring means from the introducer to anchor the introducer relative to the selected tissue mass;
delivering an ablation energy through at least one of the deployable means to treat a first volume of tissue;
advancing the at least one deployable means further to a position within or adjacent to the selected tissue mass; and
delivering the ablation energy through the at least one deployable means at the position to treat a second volume of tissue.
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Abstract
An ablation apparatus includes an ablation energy source producing an electromagnetic energy output. A multiple antenna device is included, and has a primary antenna with a longitudinal axis, a central lumen and a distal end, and a secondary antenna with a distal end. The secondary antenna is deployed from the primary antenna central lumen in a lateral direction relative to the longitudinal axis. The multiple antenna device is coupled to the ablation energy source.
161 Citations
21 Claims
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1. A method of tissue treatment, comprising:
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providing an introducer that comprises one or more deployable means comprising at least one anchoring means; positioning a distal portion of the introducer within or adjacent to a selected tissue mass; deploying the at least one anchoring means from the introducer to anchor the introducer relative to the selected tissue mass; delivering an ablation energy through at least one of the deployable means to treat a first volume of tissue; advancing the at least one deployable means further to a position within or adjacent to the selected tissue mass; and delivering the ablation energy through the at least one deployable means at the position to treat a second volume of tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of tissue treatment, comprising:
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providing an introducer that comprises one or more deployable means comprising at least one anchoring means; positioning a distal portion of the introducer within or adjacent to a selected tissue mass; deploying the at least one anchoring means from the introducer to anchor the introducer relative to the selected tissue mass; and delivering an ablation energy through at least one of the introducer and the deployable means to treat a volume of tissue. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of tissue treatment, comprising:
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providing an introducer that comprises one or more deployable means; positioning a distal portion of the introducer within or adjacent to a selected tissue mass; deploying at least one of the deployable means from the introducer to a first position within or adjacent to the selected tissue mass; delivering an ablation energy through the at least one deployable means at the first position to treat a first volume of tissue; advancing the at least one deployable means further to a second position within or adjacent to the selected tissue mass; and delivering the ablation energy through the at least one deployable means at the second position to treat a second volume of tissue. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A method of tissue treatment, comprising:
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providing an introducer that comprises one or more deployable means; positioning a distal portion of the introducer within or adjacent to a selected tissue mass; delivering an ablation energy to at least one of the deployable means; and deploying the at least one deployable means from the introducer and advancing the at least one deployable means further to create a series of ablations within or adjacent to the selected tissue mass.
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Specification