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  2. Focused ultrasound for intracranial drug delivery - Wikipedia

    en.wikipedia.org/wiki/Focused_ultrasound_for...

    Ultrasound imaging deposits energy over a large area while therapeutic ultrasound focuses the energy on one target site. Focused ultrasound for intracrainial drug delivery is a non-invasive technique that uses high-frequency sound waves (focused ultrasound, or FUS) to disrupt tight junctions in the blood–brain barrier (BBB), allowing for increased passage of therapeutics into the brain.

  3. Focused ultrasound - Wikipedia

    en.wikipedia.org/wiki/Focused_ultrasound

    Frontal MRI four days after MRgFUS (MRI-guided high-intensity focused ultrasound): Left ventral intermediate nucleus (Vim) thalamotomy. 79-year-old man with essential tremor. One of the first applications of HIFU was the treatment of Parkinson's disease in the 1940s. Although ineffective at the time, HIFU has the capacity to lesion pathology.

  4. Parkinson's disease - Wikipedia

    en.wikipedia.org/wiki/Parkinson's_disease

    Frequency: 8.5 million (2019) ... James Parkinson: Parkinson's disease (PD), ... Although gamma knife and high-intensity focused ultrasound surgeries have been ...

  5. Therapeutic ultrasound - Wikipedia

    en.wikipedia.org/wiki/Therapeutic_ultrasound

    The ultrasound within tissue consists of very high frequency sound waves, between 800,000 Hz and 20,000,000 Hz, which cannot be heard by humans. Some of the advantages of ultrasound as a diagnostic and therapeutic tool include its safety profile, lack of radiation, portability, and low cost. [4]

  6. Transcranial pulsed ultrasound - Wikipedia

    en.wikipedia.org/wiki/Transcranial_pulsed_ultrasound

    Opposing high-frequency ultrasound, LILFU holds the following benefits: lower absorption in tissue, greater physical penetration depth in tissue, stronger particle deflections, significantly better acoustic penetration and power in bone, greater influence in kinetic effects, immediate/short-term effect results, longer/persistent effects after ...

  7. Sonophoresis - Wikipedia

    en.wikipedia.org/wiki/Sonophoresis

    Low-frequency ultrasound is seen as the optimal level of ultrasound frequency. This is typically characterized as 20 to 100 kHz (sometimes 18 to 100 kHz). [7] Low frequency makes cavitation more likely. For reference, high frequency ultrasound is typically in the range of 1 to 3 MHz. [8]

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