An intraluminal imaging device includes a flexible elongate member configured to be positioned within a body lumen of a patient. The flexible elongate member includes a plurality of coaxial cables. Each of the plurality of coaxial cables includes a conductive shield layer. The intraluminal imaging device also includes an ultrasound imaging assembly positioned at a distal portion of the flexible elongate member and in communication with the plurality of coaxial cables. The ultrasound imaging assembly includes a transducer array configured to obtain ultrasound data and a conductive pad. The conductive shield layer of each of the plurality of coaxial cables is mechanically and electrically coupled to the conductive pad. Associated devices, systems, and methods are also provided.

An implantable sensor assembly comprises a support structure including a board, a compliant structure disposed on a top surface of the board, and a sensor supported by the compliant structure above the top surface of the board. An aperture is formed in the support structure for exposing at least in part a face of the sensor. The sensor may be a pressure sensor having a sensing membrane exposed through the aperture formed in the support structure. A stiffener, which may be conductive, may be mounted to a bottom surface of the board. The sensor and other components may be covered by a polymer shell having a conductive cover or by a gel contained within a rigid cap, which may be conductive. An electromagnetic shield may be formed by an electrical connection between the conductive cover or the conductive rigid cap and the conductive stiffener.

Disclosed are devices and methods for estimating blood pressure, which implement a pulse-transit-time-based blood pressure model that can be calibrated. Some implementations provide reliable and user friendly means for calibrating the blood pressure model using blood pressure perturbation methods and multiple sensors.

A surgical assembly for use with a robotic arm includes an outer housing configured to be selectively coupled to a robotic arm, a power pack disposed within the outer housing, and an electric motor operably coupled to the power pack. The outer housing has a supercapacitor attached to an inner surface of the outer housing. The power pack is configured to non-rotatably couple to a surgical instrument such that the surgical instrument and power pack are configured to rotate together. The supercapacitor is in electric communication with the electric motor and configured to supply a direct current to the electric motor to generate a braking torque during a power loss.

A wearable device is provided. The wearable device, which is used by being attached to a user's skin, includes a main body unit including a housing and a battery, the battery being arranged inside the housing, an electrode unit including a plurality of electrodes connected to the battery, and a patch unit including one or more conductive members, the one or more conductive members being configured to electrically connect the electrode unit to the user's skin. The patch unit further includes a plurality of stacked layers, and a layer in contact with the user's skin includes a plurality of ventilation holes.

A wearable device is provided. The wearable device is used by being attached to a user's skin. The wearable device includes a main body unit having a housing and a substrate, the substrate being arranged inside the housing, an electrode unit including a sensing electrode connected to the main body unit, and a patch unit including one or more conductive members, the one or more conductive members being configured to electrically connect the electrode unit to the user's skin. The electrode unit includes a shielding layer that is not electrically connected to the main body unit. The shielding layer is conductive with a floating potential.

An MR-PET apparatus is provided. The MR-PET apparatus may include a supporting component, a PET detection device, an RF coil, and a signal shielding component. The PET detection device may be supported on the supporting component. The PET detection device may be configured to receive a plurality of photons. The RF coil may be configured to generate or receive a radio frequency (RF) signal. The signal shielding component may be placed between the PET detection device and the RF coil. The signal shielding component may be configured to shield the PET detection device from at least part of the RF signal.

Systems, devices, and techniques are disclosed for forming an elongate lead body module of a modular lead. The method may comprise rotating a mandrel, wherein the mandrel extends through a through-hole of a conductor hub, wherein each conductor of a plurality of conductors extend through a respective channel of a plurality of channels of the conductor hub, wherein each conductor of the plurality of conductors extends from a respective bobbin of plurality of bobbins to the channels, wherein the plurality of bobbins are coupled to a carriage, the carriage defining a central opening through which the mandrel passes. The method may comprise moving the carriage away from the conductor hub along a length of the mandrel while the mandrel rotates causing the conductors to coil around the mandrel.

There is provided a patient's cranial position monitoring and controlling device for controlling a magnetic resonance (MR) guided radiation source module via an MR-guided radiation controlling device connected to the patient's cranial position monitoring and controlling device and an MR-guided radiation system including a patient's cranial position monitoring and controlling device, which allows for better MR-imaging while allowing patient position monitoring close to the patient.

Example headsets and electrodes are described herein. Example electrode units described herein include a housing having a cavity defined by an opening in a side of the housing and an electrode. In some such examples, the electrode includes a ring disposed in the opening and an arm, where the arm has a first portion extending outward from the opening away from the housing and a second portion extending from an end of the first portion toward the housing and into the cavity, and the first and second portions connect at a bend.