Auto advancing radio frequency array
AssigneeBoston Scientific Scimed, Inc.
InventorsRobert J. Garabedian, Robert F. Rioux
Life of this patent
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Abstract
A system for ablating lesions in the interior regions of the human body including a RF catheter and a control system adapted to facilitate the automatic step deployment of an array-type energy delivery system positioned within the catheter. The RF catheter and control system further include an auto array deployment mechanism coupled to the array-type energy delivery system and an impedance and temperature monitoring system. In addition, the system includes a probe positioning device adapted to maintain a RF probe in a desired orientation during ablation procedures.
Claims26
A radio frequency ablation system comprising:
- a catheter having an elongate tube and a handle connected to the tube,
- a needle array received in the catheter,
- an array deployment mechanism connected to the needle array, and
- a controller connected to the array deployment mechanism.
A radio frequency probe comprising:
- an elongate tube,
- a handle connected to the tube,
- a needle array received in the tube and handle, and
- a drive mechanism connected to the needle array.
A method for ablating tissue within the body using RF energy comprising the steps of,
- (a) inserting a probe having an array-type energy delivery device into the internal regions of a body to a treatment site comprising tissue to be ablated,
- (b) extending a plurality of tines of the array-type energy delivery device to a predetermined diameter,
- (c) applying ablative energy to the plurality of tines, and
- (d) automatically advancing the plurality of tines a predetermined distance after a predetermined tissue temperature or impedance is reached.
Dependencies are inferred from the claim text.