A device is provided for automatically assessing functional hemodynamic properties of a patient is provided, the device comprising: a housing; an ultrasound unit coupled to the housing and adapted for adducing ultrasonic waves into the patient at a vessel; a detector adapted to sense signals obtained as a result of adducing ultrasonic waves into the patient at the vessel and to record the; and a processor adapted for receiving the recorded signals as data and transforming the data for output at an interface. Other devices, systems, methods, and/or computer-readable media may be provided in relation to assessing functional hemodynamics of a patient.

Described is a device comprising a transducer; a mounting assembly coupled to the transducer and configured to mount the transducer adjacent to or in contact with a portion of a user's body; the transducer configured to transmit an acoustic signal to a portion of the user's body and detect a reflected acoustic signal; and a processor in electronic communication with the transducer, the processor configured to determine a physiological parameter based on the reflected acoustic signal. Also described is a system using the device for determining a physiological parameter of a user.

Aspects of the technology described herein related to an ultrasound processing unit (UPU) including gray-coding circuitry configured to convert standard binary-coded digital ultrasound signals to gray-coded digital ultrasound signals and gray-decoding circuitry coupled to the gray-coding circuitry and configured to convert the gray-coded digital ultrasound signals to standard binary-coded digital ultrasound signals. The UPU may include an analog portion, a digital portion, and a data bus configured to route the gray-coded digital ultrasound signals from the analog portion to the digital portion subsequent to converting the standard binary-coded digital ultrasound signals to the gray-coded digital ultrasound signals. The analog portion may include multiple analog front-ends (AFEs), the gray-coding circuitry, and an analog-to-digital converter. The digital portion may include the gray-decoding circuitry. A data bus from one AFE may pass over another AFE.

Ultrasound apparatus and methods of processing signals are described. The ultrasound apparatus may include multiple channels. In some embodiments, signal processing techniques are described, which in some embodiments are performed on a per-channel basis. The signal processing techniques may involve using down-conversion and filtering of signals on multiple channels. The down-conversion and filtering may be done prior to beamforming.

Ultrasound devices and methods are described for collecting ultrasound data. An ultrasound device may include an ultrasound transducer array. The ultrasound device may collect ultrasound data along multiple elevational steering angles with respective apertures of different sizes. The ultrasound data may be used to perform a measurement or generate a visualization.

Systems and methods for treating skin and subcutaneous tissue with energy such as ultrasound energy are disclosed. In various embodiments, ultrasound energy is applied at a region of interest to affect tissue by cutting, ablating, micro-ablating, coagulating, or otherwise affecting the subcutaneous tissue to conduct numerous procedures that are traditionally done invasively in a non-invasive manner. Lifting sagging tissue on a face, neck, and/or body are described. Treatment with heat is provided in several embodiments.

Described herein are methods and apparatuses for ultrasound coupling. Certain aspects relate to coupling bodies for acoustically coupling an ultrasound device to a subject. A coupling body may include a first surface configured to couple to an ultrasound device, a second surface configured to contact the subject, a reservoir internal to the coupling body, and a plurality of openings extending between the reservoir and one or both of the first surface and the second surface. The reservoir may contain ultrasound gel. A coupling body may include an adhesive coupled to a subpart of the surface of the coupling body. A coupling body may include a first surface configured to contact the ultrasound device and a second surface including first adhesive configured to adhere to the subject. The first surface may also include second adhesive configured to adhere to an ultrasound patch device. Certain aspects also relate to packaging coupling bodies.

A universal ultrasound device having an ultrasound includes a semiconductor die; a plurality of ultrasonic transducers integrated on the semiconductor die, the plurality of ultrasonic transducers configured to operate a first mode associated with a first frequency range and a second mode associated with a second frequency range, wherein the first frequency range is at least partially non-overlapping with the second frequency range; and control circuitry configured to: control the plurality of ultrasonic transducers to generate and/or detect ultrasound signals having frequencies in the first frequency range, in response to receiving an indication to operate the ultrasound probe in the first mode; and control the plurality of ultrasonic transducers to generate and/or detect ultrasound signals having frequencies in the second frequency range, in response to receiving an indication to operate the ultrasound probe in the second mode.

Devices and systems are provided that include an auxiliary electrocardiogram (ECG) assembly that can be utilized to acquire ECG data of a patient and transmit the ECG data to a handheld probe, such as an ultrasound probe. The handheld probe may include a housing and an ultrasound sensor that is at least partially surrounded by the housing. The ultrasound sensor may be located at or near a sensor face of the handheld probe. An auxiliary ECG connector is included that is at least partially exposed by the housing of the handheld probe. The auxiliary ECG connector may be utilized to electrically couple one or more auxiliary ECG leads to the handheld probe.

A clinical data acquisition system includes a probe and a mobile clinical viewing device communicatively coupleable to the probe. The probe includes at least one sensor that acquires physiological data of a patient. The mobile clinical viewing device includes a frame, a display, and a handle. The display is secured to a first side of the frame. The handle is secured to a second side of the frame. The handle includes a plurality of user input elements, and a user may control one or more operations of the mobile clinical viewing device by providing input via the user input elements on the handle. This allows a user to comfortably hold the mobile clinical viewing device and to control operations of the device in one hand, while the other hand is free to perform other operations such as holding the probe during examination of the patient.