Systems and methods for controlling ultrasound energy transmitted through non-uniform tissue and cooling of same

An ultrasonic energy, non-uniform technology, applied in ultrasonic therapy, ultrasonic/sonic/infrasonic diagnosis, applications, etc., can solve problems such as overheating of skull 162, adjacent tissue damage, etc.

Inactive Publication Date: 2012-02-08
INSIGHTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While this avoids ablation of the tissue surrounding the target area 212, the skull 162 again absorbs most of the energy and becomes overheated, causing damage to adjacent tissue

Method used

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  • Systems and methods for controlling ultrasound energy transmitted through non-uniform tissue and cooling of same
  • Systems and methods for controlling ultrasound energy transmitted through non-uniform tissue and cooling of same
  • Systems and methods for controlling ultrasound energy transmitted through non-uniform tissue and cooling of same

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Embodiment Construction

[0045] Embodiments of the present invention advantageously control and optimize the energy emitted by the transducer array to effectively focus energy to a focal area while maintaining the temperature of non-homogeneous tissue, such as the skull, within acceptable and safe ranges. In particular, embodiments of the present invention are capable of precisely focusing an energy beam to a target area to avoid damage to healthy tissue surrounding the target area, while reducing or preventing heating of the skull, thereby also preventing or reducing damage to tissue adjacent to the skull. These significant advantages are realized by controlling the intensity of the energy emitted by the individual transducer elements so that a criterion or threshold of skull temperature can be met. The desired overall energy can be maximized at the focal point, while temperature thresholds or criteria outside the target region are satisfied locally on an element by element basis, and / or globally. A ...

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Abstract

The emission intensities of transducer elements of an ultrasound transducer array are controlled based on anatomical characteristics of non-uniform tissue regions, e.g., regions of a skull, and a pre-determined threshold.

Description

[0001] related application [0002] This application claims priority to and benefit of co-pending US Provisional Patent Application Serial No. 12 / 352,932 filed January 13, 2009, the entire disclosure of which is hereby incorporated by reference. technical field [0003] The field of the invention relates generally to thermal energy treatment systems, and more particularly to systems and methods for controlling the intensity of acoustic energy propagating through and cooling non-uniform tissue, such as the skull. Background technique [0004] High-intensity focused sound waves, such as ultrasound or sound waves with a frequency greater than 20 kilohertz, may be used to treat areas of tissue within a patient. For example, ultrasound can be used in applications involving tumor ablation, thereby eliminating the need to introduce invasive procedures, targeted drug delivery, control of the blood-brain barrier, clot lysis, and other surgical procedures. [0005] Focused ultrasoun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N7/02A61N7/00A61B18/00A61B19/00
CPCA61B8/0816A61B8/585A61B2018/00023A61N7/02A61N2007/0078A61B2090/374A61B2090/3762
Inventor E·扎迪卡里奥
Owner INSIGHTEC
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