Systems and methods for endometrial ablation
First Claim
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1. A system for treating uterine tissue, comprising:
- an expandable wall having an exterior RF energy delivery surface and defining a fluid-tight interior chamber for positioning in a uterine cavity;
a first polarity electrode carried inside the fluid-tight chamber;
a second polarity electrode carried on the exterior RF delivery surface of the expandable wall;
an RF source connected to the first and second electrodes and configured to deliver current across the wall and into the uterine tissue; and
an expandable member separate from the expandable wall, said expandable member being disposed adjacent the energy delivery surface and configured for positioning in and expanding in a cervical canal.
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Abstract
Methods, systems and devices for endometrial ablation. In accordance with a method, a working end of an RF ablation device is positioned in a patient uterus to contact endometrial tissue, the working end comprising a dielectric wall capable of non-expanded and expanded shapes. An indicator mechanism is operatively coupled to the wall and configured to indicate non-expanded and expanded shapes of the wall. An expandable member, such as a balloon, is provided that expands to close the cervical canal during ablation.
302 Citations
27 Claims
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1. A system for treating uterine tissue, comprising:
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an expandable wall having an exterior RF energy delivery surface and defining a fluid-tight interior chamber for positioning in a uterine cavity; a first polarity electrode carried inside the fluid-tight chamber; a second polarity electrode carried on the exterior RF delivery surface of the expandable wall; an RF source connected to the first and second electrodes and configured to deliver current across the wall and into the uterine tissue; and an expandable member separate from the expandable wall, said expandable member being disposed adjacent the energy delivery surface and configured for positioning in and expanding in a cervical canal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of treating uterine tissue, comprising:
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expanding an expandable wall having an exterior RF energy delivery surface and defining a fluid-tight interior chamber within a patient'"'"'s uterine cavity; expanding an expandable member in the patient'"'"'s cervical canal; and activating an RF source connected to a first polarity electrode carried inside the fluid-tight chamber and a second polarity electrode carried on the exterior RF delivery surface of the expandable wall to deliver current across the surface and into the endometrial tissue to ablate said endometrial tissue. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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Specification