A61N2007/0073

ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER

Ultrasound transducer element arrays using acoustic ensonification drive patterns via a patient interface for sonosensitizer activation in sonodynamic therapy. Incoherent acoustic field generation varying phase, frequencies, and/or amplitude via controlled delivery of low intensity planar acoustic waves. Method includes generating a first and a second signal to generate respective acoustic ensonification drive patterns with phase, frequency, and amplitude and generating at least one relative phase, frequency or amplitude difference to generate a third incoherent acoustic ensonification pattern to activate a sonosensitizer. Calibration and complementary therapy procedures to improve cell susceptibility of cells to sonodynamic therapy are disclosed.

METHODS OF TREATING TUMORS WITH DRUGS
20230277877 · 2023-09-07 ·

Methods of treating tumors by administering compounds to a patient are provided. Compounds such as drugs, may be administered to the patient orally, by injection, intravenously, or topically, which then accumulate preferentially as compounds such as protoporphyrin IX (PpIX) in tumor cells. After such accumulation, compounds such as PpIX are then activated in various aspects to treat tumors cells, thereby treating cancer. Cancers such as glioblastoma may be treated.

Noninvasive Neural Stimulation Through Audio
20230282199 · 2023-09-07 ·

First data comprising a first range of audio frequencies is received. The first range of audio frequencies corresponds to a predetermined cochlear region of a listener. Second data comprising a second range of audio frequencies is also received. Third data comprising a first modulated range of audio frequencies is acquired. The third data is acquired by modulating the first range of audio frequencies according to a stimulation protocol that is configured to provide neural stimulation of a brain of the listener. The second data and the third data are arranged to generate an audio composition from the second data and the third data.

SYSTEMS AND METHODS FOR MODULATION AND MAPPING OF BRAIN TISSUE USING AN ULTRASOUND ASSEMBLY

Methods and systems for modulation and mapping of brain tissue in a subject using an ultrasound assembly are provided. An exemplary method for modulation uses an ultrasound assembly including a housing and an ultrasound transducer joined to the housing. The method includes securing the housing to the head of the subject with the ultrasound transducer aligned with a region of the brain tissue to target the region of the brain tissue for modulating, and providing focused ultrasound at an acoustic pressure to the targeted region using the ultrasound transducer to induce cavitation proximate the targeted region. The method further includes detecting a cavitation signal magnitude from the induced cavitation corresponding to the acoustic pressure and modulating the targeted region.

METHOD AND SYSTEM FOR DETECTING A FAULT IN ACOUSTIC COUPLING BETWEEN AN ULTRASONIC DEVICE AND A TISSUE TO BE TREATED
20230149743 · 2023-05-18 ·

The present invention relates to an apparatus for treating a pathology, comprising: an ultrasonic generation device (1), a remote control unit (2) to supply electricity to the device (1), electrical connection means (31, 32) between the device (1) and the control unit (2), remarkable in that the control unit (2) is programmed to assess the quality of the acoustic coupling between the ultrasonic device (1) and a tissue to be treated.

Methods of using planar acoustic waves for non-invasive sonodynamic therapy

Disclosed are methods of using planar acoustic waves for providing non-invasive sonodynamic therapy. The method includes acoustically coupling an array of flat piezoelectric transducers to a patient. A controller is configured to generate an electrical drive signal at a frequency selected from a range of frequencies, modulate the drive signal, and drive the transducer with the modulated drive signal at the frequency to produce a modulated planar acoustic wave to produce an average acoustic intensity sufficient to activate a sonosensitizer in a treatment region without damaging healthy cells in the treatment region.

Noninvasive neural stimulation through audio
11532298 · 2022-12-20 · ·

First data comprising a first range of audio frequencies is received. The first range of audio frequencies corresponds to a predetermined cochlear region of a listener. Second data comprising a second range of audio frequencies is also received. Third data comprising a first modulated range of audio frequencies is acquired. The third data is acquired by modulating the first range of audio frequencies according to a stimulation protocol that is configured to provide neural stimulation of a brain of the listener. The second data and the third data are arranged to generate an audio composition from the second data and the third data.

Systems and methods for performing transcranial ultrasound therapeutic and imaging procedures

Systems and methods are provided for performing transcranial diagnostic procedures using a transcranial ultrasound transducer array. The array elements are positioned and oriented such that far field regions respectively associated therewith spatially overlap within the brain of a patient. The array elements may be oriented approximately normal to the skull, permitting efficient coupling of ultrasound energy into the brain. The array elements are controlled to generate ultrasound pulses, where the timing of the pulses is controlled, based on registration between the array elements and volumetric image data, such that ultrasound energy is focused at a target within spatially overlapping far fields of the array elements. The transcranial ultrasound transducer array elements may be positioned and oriented relative to the skull such that their respective ultrasound beams are focused within the skull and diverging with the brain.

Adaptive, closed-loop ultrasound therapy
11806496 · 2023-11-07 · ·

Various approaches to focusing an ultrasound transducer includes causing the ultrasound transducer to transmit ultrasound waves to the target region; causing the detection system to indirectly measure the focusing properties; and based at least in part on the indirectly measured focusing properties, adjusting a parameter value associated with at least one of the transducer elements so as to achieve a target treatment power at the target region.

Localization of Biomineralizations Using Diminished-Frequency Spectral Signatures

A method for localization a biomineralization in a volume comprises (a) producing, by an ultrasonic transducer, pulses of produced ultrasonic energy waves having a fundamental frequency; (b) injecting microbubbles proximal to the biomineralization; (c) receiving, by an acoustic receiver, returned ultrasonic energy waves to produce a signal output; (d) processing the signal output to isolate diminished frequencies of the signal output, the diminished frequencies having a frequency range that is less than 50% of the fundamental frequency and greater than or equal to about 4% of the fundamental frequency; (e) monitoring the diminished frequencies, with a processor, for a diminished-frequency spectral signature that corresponds with a location of the biomineralization; and (f) determining a spatial location of the biomineralization, with the processor, based on the diminished-frequency spectral signature.