Disclosed are a bladder monitoring apparatus which accurately determines a bladder status of a subject based on an ultrasonic image and a posture of the subject and a method for controlling the bladder monitoring apparatus. The bladder monitoring apparatus includes a processor, a memory configured to operably connected to the processor and store at least one code executed by the processor, and a transceiver configured to receive a reflection ultrasonic signal from a subject and a posture sensing signal obtained by sensing a posture of the subject based on a sensor, and the memory may store a code which is executed by the processor to cause the processor to determine the bladder status of the subject by applying the machine learning-based learning model to an ultrasonic image generated from the reflection ultrasonic signal and posture information generated based on the posture sensing signal.

Provided are a physiological signal analysis device and method to detect and analyze physiological information of a subject. The physiological signal analysis device includes a memory device configure to store a wrinkle pattern at a measurement position of a subject as a reference position; a sensor configured to sense the reference position and a physiological signal of the subject at the reference position in response to the stored reference position being within a range of the sensor; and a signal processor configured to process the physiological signal sensed the sensor.

An ultrasound imaging probe including a handle configured for handheld use; a support structure disposed within the handle and comprising a thermally-conductive material, the support structure further comprising a coupling surface and an external surface, the coupling surface disposed at a distal portion of the support structure; a continuous material layer coupled to the support structure, such that the continuous material layer is disposed on the coupling surface and the external surface, the continuous material layer thereby providing a heat transmission path between the coupling surface and the external surface; and an ultrasound sensor coupled to the support structure at the coupling surface and directly in contact with the continuous material layer at the coupling surface, such that heat from the ultrasound sensor is transmitted away to the support structure via the heat transmission path of the continuous material layer.

A system for monitoring blood flow in a patient, the system comprising: a single-element disc-shaped ultrasound transducer for fastening to the patient and a controller subsystem. The controller subsystem is configured to: control the ultrasound transducer to transmit a series of plane-wave pulses into the patient in a propagation direction; sample reflections of the plane-wave pulses, received at the ultrasound transducer, from a region within the patient, to generate pulse-Doppler response signals; and process the pulse-Doppler response signals to calculate a blood flow curve for waveform analysis.

An ultrasound measurement device includes: a processing device and multiple ultrasound sensors that capture tomographic information of a physiological structure. The ultrasound sensors include a first ultrasound sensor including a first transducer having a first frequency response with a first resonant frequency, and a second ultrasound sensor including a second transducer having a second frequency response with a second resonant frequency different from the first resonant frequency. The first frequency response partially overlaps with the second frequency response. The second transducer transmits an ultrasound signal that is reflected by the physiological structure to create a reflected ultrasound signal, the first transducer generates a first received signal from the reflected ultrasound signal, the second transducer generates a second received signal from the reflected ultrasound signal, and the processing device normalizes the first received signal with the second received signal or the second received signal with the first received signal.

Disclosed are devices, systems, and methods for multi-modal, wearable sensors, including an electrochemical-ultrasonic transducer-based sensor, that can simultaneously detect and monitor one or more bio-analyte markers and one or more physiological markers. In some aspects, a wearable, acoustic-electrochemical sensor device includes a flexible substrate, one or more electrochemical sensors disposed on the flexible substrate, a physiological sensor comprising an array of acoustic transducers disposed on the flexible substrate, wherein the sensor device is operable to simultaneously detect and monitor one or more analyte markers and physiological markers including hemodynamic parameters.

A system comprising a multi-modal ultrasound probe configured to operate in a plurality of operating modes associated with a respective plurality of configuration profiles; and a computing device coupled to the handheld multi-modal ultrasound probe and configured to, in response to receiving input indicating an operating mode selected by a user, cause the multi-modal ultrasound probe to operate in the selected operating mode.

A method of non-invasively monitoring the respiration of a patient comprises: transmitting ultrasound into the body toward an internal structure of the patient's body, the internal structure being one of the liver, the spleen or a kidney; selecting a depth range; measuring the phase of ultrasound echo signals from the internal structure at multiple points along the depth range for at least a first and a second echo signal, the first and second echo signals being received at different times; detecting the motion of the internal structure within the patient's abdomen by reference to differences in the measured phase between the first and the second echo signals; and thereby monitoring the respiration of the patient by associating movement of the internal structure with movement caused by respiration.

Brain motion monitoring systems and methods are disclosed that can detect interpret and/or display normal and abnormal brain motions. The devices and methods can detect Cerebrovascular Stenosis and provide for Noninvasive Intracranial Pressure Measurement.

A bladder volume detection device, the device comprising a sound transmitter and at least one receiver the device configured to ping the bladder with an acoustic signal having a resonant frequency of up to about 20 k Hz generated with said transmitter.