Devices and methods for remote temperature monitoring in fluid enhanced ablation therapy

A technology of fluid and ablation components, which is applied in the direction of pump devices, fluid injection scalpels, pump control, etc., and can solve the problems of non-standard shape treatment areas, unhandleable area correction, or other shaping, heating, etc.

Inactive Publication Date: 2014-03-05
THERMEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A disadvantage of these techniques is that maximum heating often occurs at or near the interface between the treatment tool and tissue
Additionally, in some cases it may be desirable to form treatment areas with non-standard shapes
However, without the ability to accurately measure the temperature in the tissue surrounding the ablation device, it is impossible to correct or otherwise shape the treatment area in the evolving therapeutic sense

Method used

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  • Devices and methods for remote temperature monitoring in fluid enhanced ablation therapy
  • Devices and methods for remote temperature monitoring in fluid enhanced ablation therapy
  • Devices and methods for remote temperature monitoring in fluid enhanced ablation therapy

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Embodiment Construction

[0035] Certain exemplary embodiments will now be described to enable those skilled in the art to have a general understanding of the principles of the devices and methods disclosed herein. The figures illustrate one or more examples of these embodiments. It should be understood by those skilled in the art that the devices and methods specifically described herein and shown in the accompanying drawings are non-limiting exemplary embodiments and that the scope of the present invention is defined only by the claims. Features shown or described in connection with one exemplary embodiment may be combined with features of other embodiments. Such modifications and changes are intended to be included within the scope of the present invention.

[0036] The terms "a" and "an" are used interchangeably and are equivalent to the term "one or more" as used in this application. Unless otherwise stated, the terms "comprising", "having", "including" and "containing" should be construed as op...

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Abstract

Devices and methods for monitoring temperatures of tissue at various locations in a treatment volume during fluid enhanced ablation therapy are provided. In one embodiment, an ablation device is provided having an elongate body, at least one ablation element, and at least one temperature sensor. The elongate body includes a proximal and distal end, an inner lumen, and at least one outlet port to allow fluid to be delivered to tissue surrounding the elongate body. The at least one ablation element is configured to heat tissue surrounding the at least one ablation element. The at least one temperature sensor can be positioned a distance away from the at least one ablation element and can be effective to output a measured temperature of tissue spaced a distance apart from the at least one ablation element such that the measured temperature indicates whether tissue is being heating to a therapeutic level.

Description

[0001] related application [0002] This application claims priority to US Provisional Patent Application Serial No. 61 / 474,574, filed April 12, 2011, and entitled "Improvement in Ablation Catheters." This application is also related to U.S. applications entitled "Methods and Apparatus for Using Degassed Fluid with Fluid-Enhanced Ablation Devices," and U.S. Applications for "Methods and Apparatus for Heating Fluid in Fluid-Enhanced Ablation Therapy," respectively. application, the US application for "Method and Apparatus for Controlling Ablation Therapy", and the US application for "Apparatus and Method for Shaping Therapy in Fluid Augmented Ablation", which are filed concurrently with the present application. The entire disclosure of each of these applications is incorporated herein by reference. technical field [0003] The present invention mainly relates to fluid-enhanced ablation (ablation), such as SERF® ablation technology (Saline Enhanced Radiofrequency® Ablation). M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/04A61B18/08A61M37/00A61M25/01
CPCA61B2018/00011A61B2018/046A61B2018/00809A61B2018/00577A61B2018/00642A61B2018/1425A61B2018/00791A61B18/082A61B18/1477A61B2018/00029A61B2018/00797A61B2018/00821A61M1/3627A61B18/04A61B18/12A61B18/14A61B18/16F04C2270/041A61B2018/1472A61B2018/162A61B2017/00526A61B2018/00773A61B2018/00744A61B2018/00041F04B41/02Y10T29/49016Y10T29/49085F04B17/03F04B43/04A61B17/3203F04B19/22F04B49/06
Inventor M.G.柯利
Owner THERMEDICAL
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