The disclosed ultrasound devices may include at least one ultrasound transmitter positioned and configured to transmit ultrasound signals toward a user's face to reflect off a facial feature of the user's face and at least one ultrasound receiver positioned and configured to receive and detect the ultrasound signals reflected off the facial feature. At least one processor may be configured to receive data from the at least one ultrasound receiver and to determine, based on the received data from the at least one ultrasound receiver, at least one of the following eye measurements: an interpupillary distance of the user; an eye relief; or a position of a head-mounted display relative to the facial feature of the user. Various other devices, systems, and methods are also disclosed.

The present disclosure relates to an ultrasonic imaging apparatus that has a tolerance for easy assembly and reduces shaking and noise by reducing the tolerance after assembly. The ultrasonic imaging apparatus includes a main body, a probe connected to the main body to irradiate and receive ultrasonic waves and to transmit the ultrasonic signals to the main body, a control panel configured to control the main body or the probe, and a moving device configured to connect the control panel and the main body and to move the control panel with respect to the main body in the upward and downward directions, wherein the moving device includes a housing fixed to the main body, a moving member configured to be movable with respect to the housing in the upward and downward directions, and a regulating bearing installed in the housing and configured to assist the upward and downward movement of the moving member by coming into rolling contact with the moving member and to regulate a gap with the moving member.

Embodiments disclosed herein are directed to a stabilization feature configured to be coupled to an ultrasound probe, or similar medical device and grasped by one or more fingers of a user. The user can then manipulate the stabilization feature and probe assembly without requiring any opposing pressure to be applied by the thumb. As such a user is free to use the thumb to operate controls disposed on the probe, or stabilize a skin surface, or the like. The stabilization feature can include a first portion configured to be grasped by one or more fingers, and a second portion configured to engage the probe. Further, the second portion can engage the probe through a sheath to maintain a sterile barrier therebetween. Alternatively, the first portion can be grasped by one or more fingers through a sheath to maintain a sterile barrier therebetween.

Embodiments of the present disclosure are directed to a vessel-wall-monitoring device (100) and a method for identifying the walls of blood vessel in a body. The method includes receiving, by the vessel-wall-monitoring device (100), a plurality of ultrasound echo signals from a transducer, wherein the plurality of ultrasound echo signals are transmitted to the transducer from locations of the blood vessel, extracting at least two consecutive ultrasound frames from the plurality of ultrasound echo signals, determining a shift between the at least two consecutive ultrasound frames by comparing samples of the at least two consecutive ultrasound frames, and identifying, a proximal wall and a distal wall of the blood vessel based on the shift between the at least two consecutive ultrasound frames.

The present invention relates to an implantable ultrasonic transducer comprising a first device for generating ultrasound, a second device for receiving ultrasound, and a circuit board, wherein the device for generating ultrasound is formed from a piezoelectric polymer, which is integrated in the circuit board. The invention also relates to a medical device which can be introduced into the body and comprises an ultrasonic transducer of this type.

Provided is an ultrasonic endoscope with which it is possible to prevent damage to an imaging element even in a case where voltage from an external power supply is directly applied. A distal end portion main body (43) of an ultrasonic endoscope (10) is formed of a resin material, the distal end portion main body (43) includes an illumination system (53) that includes an illumination metal base (156), a first fixing member (170) that fixes the illumination metal base (156) to the distal end portion main body (43), a first insert hole (172) into which the first fixing member (170) is inserted, an observation system (55) that includes a lens barrel (160), a second fixing member (174) that fixes the lens barrel (160) to the distal end portion main body (43), a second insert hole (176) into which the second fixing member (174) is inserted, and an electrical connection member (178) that electrically connects the illumination metal base (156) and the lens barrel (160), and at least one of the illumination metal base (156), the lens barrel (160), or the electrical connection member (178) is connected to a ground.

Provided is a composition for an acoustic wave probe including a polysiloxane mixture containing at least polysiloxane having a vinyl group and a phenyl group, polysiloxane having two or more Si—H groups in a molecular chain, and zinc oxide, a silicone resin for an acoustic wave probe, the acoustic wave probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, an ultrasound probe, a photoacoustic wave measurement apparatus, and an ultrasound endoscope.

An ultrasound imaging system includes an ultrasound probe comprising an ultrasound transducer array. The ultrasound imaging system further includes a processor circuit configured for communication with the ultrasound probe via a first conductive pathway and a second conductive pathway. The ultrasound imaging system further includes a first connector and a second connector configured to be selectively engaged to establish the communication between the ultrasound probe and the processor circuit. The processor circuit is configured to detect an electrical conductance along the first conductive pathway. The processor circuit is further configured to transmit data to the ultrasound probe via the second conductive pathway only after detecting the electrical conductance along the first conductive pathway.

To provide a probe including a TGC circuit therein. The probe includes a plurality of receive circuits. Each receive circuit includes: an ultrasound transducer; a transmit/receive switch; a variable attenuator; a first capacitor; and an amplifier. The ultrasound transducer converts the receive signal into a ground level electric signal and outputs the ground level electric signal as a first output signal. The transmit/receive switch is connected to a first signal line, and switches depending on whether to output the first output signal output from the ultrasound transducer to the first signal line. The variable attenuator includes a control terminal and two terminals, and changes a resistance value between the two terminals other than the control terminal based on a control signal input to the control terminal. The amplifier has an input terminal connected to the first capacitor and includes at least an amplifier circuit configured to amplify an electric signal of the first signal line and output the amplified electric signal to a second signal line. In the variable attenuator, one of the two terminals other than the control terminal is connected to the first signal line, and the other terminal is connected to the ground via a second capacitor different from the first capacitor.

A probe holder includes a casing and an elastic structure including an inner cover and a retainer unit. The retainer unit includes an enclosing wall, and a rib array protruding from an inner face of the enclosing wall. The rib array holds a cable end with a rear end of a probe head being supported by a support face of the inner cover.