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Frequency Optimization for Ultrasound Therapy

A technology of ultrasonic therapy and frequency, which is applied in the direction of ultrasonic therapy, treatment, ultrasonic/sonic/infrasonic diagnosis, etc.

Active Publication Date: 2019-03-01
INSIGHTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach fails to take into account the effects of other ultrasound-tissue interactions that affect energy deposition at the focal point, such as reflection, refraction, and scattering

Method used

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  • Frequency Optimization for Ultrasound Therapy
  • Frequency Optimization for Ultrasound Therapy
  • Frequency Optimization for Ultrasound Therapy

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Embodiment Construction

[0028] In various embodiments, the present invention provides methods for optimizing the frequency of sonication in a patient-specific focused ultrasound procedure; in Figure 4 An exemplary method is shown in . After the therapy configuration is established and the patient is placed in or relative to the ultrasound transducer and imaging device 108 (e.g., as figure 2 Afterwards, images of the tissue region of interest may be acquired and processed to identify objects therein (step 400). The relative phases and / or Amplitude setting (step 402). Phase and / or amplitude settings can be experimentally redefined based on observations of focus quality and / or focus position relative to the target at one or more moments before, after, and / or during the frequency optimization process ( Step 404); methods of computational and experimental phase / amplitude determination and adjustment are well known to those skilled in the art. The transducer is then driven to sonicate the target acco...

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Abstract

In ultrasound therapy, the frequency of sonication can be optimized in a patient-specific manner within a specific frequency range to maximize absorption or sound intensity at the target.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and benefit to US Provisional Patent Application No. 61 / 773,394, filed March 6, 2013, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to focused ultrasound therapy, and more particularly to systems and methods for optimizing ultrasound frequency to increase energy deposition at a target. Background technique [0004] Focused ultrasound (ie, sound waves having a frequency greater than about 20 kilohertz) can be used to image or therapeutically treat internal body tissue within a patient. For example, ultrasound can be used to ablate tumors, eliminating the need for patients to undergo invasive procedures. For this, piezoceramic transducers are placed outside the patient, but close to the tissue to be ablated ("target"). The transducer converts the electronic drive signal into mechanical vibrations, resulting i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/00
CPCA61N7/02A61N2007/0073A61N2007/0078A61B2090/374A61N7/00
Inventor 科比·沃尔特曼舒科·维塔克埃亚勒·扎迪卡里奥
Owner INSIGHTEC