A measuring apparatus (100) is provided for fitting to an animal body for measuring changes in concentration of a chromophore in the animal body. The measuring apparatus (100) has a plurality of devices (120). Each device (120) has a light source (122) for emitting light towards an animal body and a light detector (124) for detecting light returning from the said animal body. A device controller (126) receives signals from and sends signals to a main controller (160). The device controllers (126) of the plural devices (120) are respectively connected to a connection arrangement (150).

A method for detecting evidence of a stroke in a patient may involve securing a volumetric integral phase-shift spectroscopy (VIPS) device to the patient's head, transmitting a first signal from a first transmitter of the VIPS device through a left hemisphere of the patient's brain to a receiver of the VIPS device, transmitting a second signal from a second transmitter of the VIPS device through a right hemisphere of the patient's brain to the receiver, and detecting the evidence of the stroke, with the VIPS device.

A measurement sensor package and a measurement sensor reduce susceptibility to noise and enable highly accurate measurement. A measurement sensor package (1) includes a substrate (2), a lid (3), and a ground conductor layer (4). The substrate (2) contains a light emitter and a light receiver, and includes a substrate body (20), a plurality of ground via conductors (21), an frame-shaped ground conductor layer (22), signal wiring conductors (23), and an external connection terminal (24). The ground via conductors (21) are connectable to a ground potential, and are located outward from a first recess (20a) and a second recess (20b) included in the substrate body (20) in a plan view.

The various embodiments of the present invention disclose a stand-alone, scalable cardiac health monitoring device for 1-6-12 lead ECG data acquisition and a method of working thereof. The method of monitoring cardiac health condition of a patient comprises of receiving, by a cardiac monitoring device, an electrocardiograph (ECG) input data signals from at least two electrodes attached to the patient, performing, a quality check on acquiring the ECG input data signals, processing the acquired ECG input data signals, encrypting the processed ECG input data signals and transmitting the encrypted ECG signals to one or more external user devices over a wireless communication interface. The acquiring the ECG input data signals comprises of integrating a closed loop Right Leg Drive (RLD) as a shield drive and a cable/electrode shield to reduce noise coupling to the ECG input data signals.

A method for sensing at least one property with an instrument, wherein the instrument comprises an elongate shaft body; the method comprising the steps of: securing a sensor film conformally to the elongate shaft body, the sensor film comprising: at least one substrate core having a first surface and a second surface; at least one sensing element; a first conductive layer residing on the first surface, the first conductive layer having first solder mask coated thereon, and wherein the first conductive layer is grounded; a second conductive layer residing on the second surface, the second conductive layer having a second solder mask coated thereon, and coupled to the at least one sensing element; causing the at least one sensing element to measure at least one property and output a sensed signal and to convey the sensed signal via the second conductive layer to an electronics module.

A shielding arrangement for a magnetoencephalography (MEG) system includes a passively shielded enclosure having a plurality of walls defining the passively shielded enclosure, each of the plurality of walls including passive magnetic shielding material to reduce an ambient background magnetic field within the passively shielded enclosure; a vestibular wall extending from a first vertical wall to define, and at least partially separate, a vestibular area of the passively shielded enclosure adjacent the doorway and a user area of the passively shielded enclosure; and active shield coils distributed within the passively shielded enclosure and configured to further reduce the ambient background magnetic field within the user area of the passively shielded enclosure.

A magnetocardiography (MCG) system includes a passively shielded enclosure having walls defining the passively shielded enclosure, each of the walls including passive magnetic shielding material to reduce an ambient background magnetic field within the passively shielded enclosure; an MCG measurement device including optically pumped magnetometers (OPMs); and active shield coils within the passively shielded enclosure and stationary relative to the passively shielded enclosure and the MCG measurement device, wherein the active shield coils are configured to further reduce the ambient background magnetic field within a user area of the passively shielded enclosure.

A vascular assessment device includes an antenna unit and a fabric unit. The antenna unit includes a substrate, a transmitting antenna and a receiving antenna spaced apart disposed on the substrate, and a circuit module disposed on the substrate. The circuit module cooperates with the transmitting antenna to emit a carrier radio wave toward a fistula of a subject, and receives, via the receiving antenna, a return wave signal formed through reflection of the carrier radio wave. The fabric unit is sleeved on the antenna unit, and includes an isolating layer adapted to be disposed between the transmitting antenna and the skin above the fistula. The fabric unit has a dielectric constant not greater than 3.

The present disclosure provides an electrocardiograph cable for use in an MRI system. The electrocardiograph cable includes a cable jacket and a plurality of lead wires extending through the cable jacket. Each of the plurality of lead wires includes a first end segment coupled to a monitoring electrode, a second end segment coupled to a monitoring device, an electrically insulating core extending from the first end segment to the second end segment, an electrically conductive wire having a plurality of turns wound around the electrically insulating core from the first end segment to the second end segment, and an electrically insulating sleeve covering the electrically conductive wire wound around the electrically insulating core.

Systems, devices, and methods for electroporation ablation therapy are disclosed, with a protection device for isolating electronic circuitry, devices, and/or other components from a set of electrodes during a cardiac ablation procedure. A system can include a first set of electrodes disposable near cardiac tissue of a heart and a second set of electrodes disposable in contact with patient anatomy. The system can further include a signal generator configured to generate a pulse waveform, where the signal generator coupled to the first set of electrodes and configured to repeatedly deliver the pulse waveform to the first set of electrodes. The system can further include a protection device configured to selectively couple and decouple an electronic device to the second set of electrodes.