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Ablation planning system

A planning system and user interface technology, applied in the field of ablation planning systems for patient treatment, which can solve problems such as inaccurate planning and incomplete treatment

Active Publication Date: 2014-04-09
KONINKLJIJKE PHILIPS NV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inadequate and imprecise planning leads to incomplete treatment and potential recurrence of cancer

Method used

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Embodiment Construction

[0018] In accordance with the present principles, in order to generate clinically relevant and reliable results, an automated planning system is provided that allows precise positioning of the probe and complete coverage of the tumor and margin (planned target volume, PTV). An automatic coverage method is described. The search for the optimal ablation center is treated as an iterative nonlinear optimization problem, where the cost function is expressed as a weighted sum of the unablated PTV volume and the undesired collateral damage to adjacent healthy tissue. This is a nonlinear optimization problem that aims to minimize untreated cancerous tissue as well as damaged healthy tissue. The entire planning system is implemented using a graphical user interface (GUI) that allows interactive planning protocols, including selection of appropriate probes, positioning of skin entry, specification of ablation times, etc. A first step towards integrating the planning system into an elec...

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Abstract

An ablation planning system includes a user interface (104) configured to permit selection of inputs for planning an ablation procedure. The user interface is further configured to incorporate selection of ablation probes and one or more combinations of ablation powers, durations or parameters applicable to selected probes in the inputs to size the ablation volumes. The user interface includes a display for rendering internal images of a patient, the display permitting visualizations of the ablation volumes for different entry points on the internal images. An optimization engine (106) is coupled to the user interface to receive the inputs and is configured to output an optimized therapy plan which includes spatial ablation locations and temporal information for ablation so that collateral damage is reduced, coverage area is maximized and critical structures are avoided in a planned target volume.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to commonly assigned Provisional Application No. 61 / 512510, filed July 28, 2011, and commonly assigned Provisional Application No. 61 / 514914, filed August 4, 2011, both by Incorporated herein by reference. technical field [0003] The present disclosure relates to medical treatment systems and methods, and more particularly, to ablation planning systems and methods for improved accuracy of patient treatment. Background technique [0004] Microwave ablation (MWA) is a minimally invasive procedure used to treat the most common localized tumors in the liver, kidney, and lung. For large or irregularly shaped lesions, more than one session is required for treatment, and physicians must plan ahead where to place needles and how much ablation is required. MWA has become the recommended treatment modality for interventional cancer management and has received increasing attention in recent yea...

Claims

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Application Information

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IPC IPC(8): A61B18/18
CPCA61B2019/504A61B19/50A61B18/1815A61B34/10A61B2034/104A61B2034/107
Inventor X·刘S·达拉尔J·克吕克尔
Owner KONINKLJIJKE PHILIPS NV
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