TISSUE ABLATION SYSTEMS AND METHODS OF USE
First Claim
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1. A method of treating tissue, the comprising:
- positioning a probe working end in an interface with tissue;
ejecting a high pressure flow of flow media from a working end outlet, wherein the flow comprises at least in a part a condensable vapor, and wherein the flow has a selected pressure and velocity that disintegrates tissue; and
controllably rotating the working end at a selected speed to control the depth of disintegration of tissue proximate the outlet.
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Abstract
This invention relates to medical instruments and systems for applying energy to tissue. Variations of the systems and methods described herein include ablating, sealing, and extracting tissue with high pressure flows of fluids that in part utilizes a vapor-to-liquid phase change of flow media to apply thermal energy to the tissue.
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Citations
23 Claims
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1. A method of treating tissue, the comprising:
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positioning a probe working end in an interface with tissue; ejecting a high pressure flow of flow media from a working end outlet, wherein the flow comprises at least in a part a condensable vapor, and wherein the flow has a selected pressure and velocity that disintegrates tissue; and controllably rotating the working end at a selected speed to control the depth of disintegration of tissue proximate the outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of tissue ablation, comprising:
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positioning a probe working end in an interface with a tissue volume containing first and second tissue types; ejecting at least one high pressure flow of flow media from the probe working end, wherein a flow comprises at least in a part a condensable vapor that applies energy capable of sealing tissue, wherein the flow has a selected pressure and velocity that applies energy that discriminates disintegration of tissue between the first and second tissue types, and removing disintegrated tissue through an aspiration port communicating with an aspiration channel in the probe. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification