According to various embodiments, there is provided a probe structure. The probe structure includes a probe configured to emit acoustic energy. The probe structure further includes a load cell underneath and aligned with the probe. The probe structure further includes a probe hub including a cavity for receiving the probe and the load cell.

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.

Described herein is an implantable device having a sensor configured to detect an amount of an analyte, a pH, a temperature, strain, or a pressure; and an ultrasonic transducer with a length of about 5 mm or less in the longest dimension, configured to receive current modulated based on the analyte amount, the pH, the temperature, or the pressure detected by the sensor, and emit an ultrasonic backscatter based on the received current. The implantable device can be implanted in a subject, such as an animal or a plant. Also described herein are systems including one or more implantable devices and an interrogator comprising one or more ultrasonic transducers configured to transmit ultrasonic waves to the one or more implantable devices or receive ultrasonic backscatter from the one or more implantable devices. Also described are methods of detecting an amount of an analyte, a pH, a temperature, a strain, or a pressure.

Example implementations can include a method of calibrating orientation of a cerebral sensor and generating feedback from an injector for a cerebral sensor, by scanning an anatomical structure, by a cerebral sensor, proximate to the scan position and satisfying a first threshold, obtaining at least one cranial signal from the cerebral sensor in accordance with a first pathway over the anatomical structure, obtaining from the cranial signal a point corresponding to the anatomical structure, storing the obtained point to a point cache operable to store one or more points, in response to a determination that the point satisfies a second threshold, modifying the first pathway for actuating the cerebral sensor, in response to the determination that the obtained point satisfies the second threshold, selecting an optimized point from the point stack, and actuating the cerebral sensor continuously based on the optimized point.

The present invention relates to an implantable device (1) comprising: an ultrasonic unit (11) which includes an electric connection terminal, a support plate (12) which includes a through-opening for the connection terminal to pass through, and an attachment piece (13) which can cooperate with the connection terminal, the attachment piece (13) including a collar for pressing the support plate (12) against the ultrasonic unit (11) when the ultrasonic unit (11), the support plate (12) and the attachment piece (13) are joined.

Approaches for performing magnetic resonance (MR) imaging of an anatomic region in conjunction with an ultrasound operation on the anatomic region include transmitting multiple ultrasound waves or pulses having a fundamental frequency and multiple harmonics to the anatomic region; transmitting an MR pulse sequence to the anatomic region and receiving, therefrom, MR signals within a band of frequencies; and causing the band of frequencies to be located between two adjacent frequencies of the harmonics.

The present disclosure provides a positioning method for head and neck assessment comprising positioning a probe to the head and neck structures of a subject according to reference planes defined by light beams.

An MEMS airborne ultrasonic transducer system operating on a thermoacoustic principle to determine brain haemorrhage, includes: an RF transmitter and ultrasound receiver systems to transmit RF energy and receive ultrasound wave, respectively, an RF transmitter system having an RF signal generator, an RF amplifier and a horn antenna, and an ultrasound receiver system having a lock-in amplifier, a DC supply and two ultrasonic transducer arrays wirebonded to low noise amplifier (LNA) chips. The MEMS airborne ultrasonic transducer system determines brain haemorrhage based on detecting RF-induced, blood-originating, thermoacoustic ultrasound wave at the pulse modulation frequency.

A monitoring system a user activity sensor to determine patterns of activity based upon the user activity occurring over time.

A craniofacial implant includes a craniofacial implant body and a passive pressure sensor. The craniofacial implant body permits measurement of the passive pressure sensor via externally applied stimuli passing through the craniofacial implant body.