What question did this study set out to answer?

To develop and evaluate a non-invasive method for focusing ultrasound through human cranial bone using CT scan-derived acoustic simulation models.

April 5, 2002Physics in Medicine and Biology

A non-invasive method for focusing ultrasound through the human skull

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To develop and evaluate a non-invasive method for focusing ultrasound through human cranial bone using CT scan-derived acoustic simulation models.
Simulated acoustic propagation using a layered wavevector-frequency domain model fed by cranial CT data to determine phase corrections for a 0.74 MHz, 320-element hemispherical transducer array.
Tested the phase correction technique on ten ex vivo human skulls registered to image space via a stereotaxic frame.
Measured focal restoration and placement accuracy inside the skulls using an internal hydrophone.
The phase correction algorithm successfully restored ultrasound focusing within the skull cavity in every trial.
The acoustic focus was consistently restored within 1 mm of the intended target coordinates across all tested skulls.

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Implication

Ex vivo study demonstrates targeted ultrasound focusing through human skull specimens using CT-guided phase correction, indicating feasibility for non-invasive brain surgery.

Cite This Study

Clement et al. (2002) studied this question.

synapsesocial.com/papers/69d81a0ca2a48916bbbef0b9 https://doi.org/10.1088/0031-9155/47/8/301

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Implication

Ex vivo study demonstrates targeted ultrasound focusing through human skull specimens using CT-guided phase correction, indicating feasibility for non-invasive brain surgery.

A non-invasive method for focusing ultrasound through the human skull

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Discussion

Implication

Cite This Study

A non-invasive method for focusing ultrasound through the human skull

Key Points

Discussion

Implication

Cite This Study

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