Auto-aligning ablating device and method of use
First Claim
Patent Images
1. An ablation device comprising:
- an ablation element comprising a first end and a second end; and
a support structure adapted to support the ablation element within an alimentary tract of a patient, the support structure comprising a longitudinal support with a longitudinal axis, the ablation element being positioned on a surface of the longitudinal support parallel to the longitudinal axis of the longitudinal support, and a rotational support, the rotational support comprising;
a base with a connecting element to connect the longitudinal support to an endoscope anda pin about which the longitudinal support is arranged such that it can rotate through an operative range of motion with respect to the longitudinal support'"'"'s longitudinal axis, wherein, throughout the operative range of motion, a line orthogonal to the longitudinal axis of the longitudinal support and passing through the pin intersects the ablation element between the first and second end; and
a movement resister configured to resist rotation of the longitudinal support.
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Abstract
An ablation device and methods for use thereof including a support structure adapted to support an ablation structure within an alimentary tract of a patient are provided. The support structure includes a longitudinal support with a longitudinal axis and a rotational support. The rotational support is adapted to permit at least part of the ablation structure to rotate with respect to the longitudinal support'"'"'s longitudinal axis.
481 Citations
19 Claims
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1. An ablation device comprising:
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an ablation element comprising a first end and a second end; and a support structure adapted to support the ablation element within an alimentary tract of a patient, the support structure comprising a longitudinal support with a longitudinal axis, the ablation element being positioned on a surface of the longitudinal support parallel to the longitudinal axis of the longitudinal support, and a rotational support, the rotational support comprising; a base with a connecting element to connect the longitudinal support to an endoscope and a pin about which the longitudinal support is arranged such that it can rotate through an operative range of motion with respect to the longitudinal support'"'"'s longitudinal axis, wherein, throughout the operative range of motion, a line orthogonal to the longitudinal axis of the longitudinal support and passing through the pin intersects the ablation element between the first and second end; and a movement resister configured to resist rotation of the longitudinal support. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of ablating tissue in an alimentary tract comprising:
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advancing an ablation element into the alimentary tract, the ablation element comprising a first end and a second end; supporting the ablation element on a surface of a longitudinal support having a longitudinal axis such that the ablation element is parallel to the longitudinal axis of the longitudinal support; rotatably supporting the longitudinal support such that the longitudinal support can rotate about a pin through an operative range of motion with respect to the longitudinal support'"'"'s longitudinal axis, wherein, throughout the operative range of motion, a line orthogonal to the longitudinal axis of the longitudinal support and passing through the pin intersects the ablation element between the first and second end; and resisting rotation of the longitudinal support away from a neutral position wherein the longitudinal axis of the longitudinal support is parallel to a longitudinal axis of an endoscope to which the longitudinal support is connected. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification