2908results about "Electroencephalography" patented technology

Described are patient data communication devices that may be used as wearable patient monitors. The devices are adapted to accept essentially any type of data from essentially any data source, and are reconfigurable, such that each device can determine which data inputs and outputs should be active, and can reconfigure itself based on new configuration instructions. The devices include wireless transceiver units that allow them to form networks, and particularly mesh networks, with other devices. In a mesh network, any one of the devices may serve as a data source, a data forwarder, or a data sink, and the processor of each device may determine whether data should be outputted, displayed, or processed on the local device or on a remote device in the network. Data from other devices in a mesh network may be accepted selectively, depending on the number of hops between the sending and receiving devices.

A patient module comprising an 8 channel EEG pre-amplifier whose signal acquisition and processing characteristics are optimized for use in the operating room and intensive care unit. This patient module comprises at least an optimized multistage input filter, an optimized input stage circuit topography, ultra-isolation, oversampling, a multiplexer inter-sample charge dump, and high performance low-frequency-enhanced shielding.

A wireless, programmable system for medical monitoring includes a base unit and a plurality of individual wireless, remotely programmable biosensor transceivers. The base unit manages the transceivers by issuing registration, configuration, data acquisition, and transmission commands using wireless techniques. Physiologic data from the wireless transceivers is demultiplexed and supplied via a standard interface to a conventional monitor for display. Initialization, configuration, registration, and management routines for the wireless transceivers and the base unit are also described.

A system and method for monitoring and controlling the administration of at least one drug having anesthetic properties are provided. In certain embodiments, the method includes assembling physiological data, obtained from a plurality of sensors placed on a subject, into sets of time-series data, separating, from the sets of time-series data, a plurality of low frequency signals, and determining, from the plurality of low frequency signals, at least one of coherence information and synchrony information. The method can also include identifying, using the at least one of the coherence information and the synchrony information, spatiotemporal signatures indicative of at least one of a current state and a predicted future state of the patient consistent with the administration of at least one drug having anesthetic properties and generating a report indicating at least one of the current state and the predicted future state of the patient induced by the drug.

A portable patient monitor has an integrated mode in which it operates as a plug-in module for a multiparameter patient monitoring system (MPMS). The patient monitor also has a portable mode in which it operates separately from the MPMS as a battery-powered handheld or standalone instrument. The patient monitor has a sensor port that receives a signal indicative of physiological parameters as input to an internal processor. The patient monitor processes this sensor signal to derive patient measurements. In the portable mode, this information is provided on its display. In the integrated mode, the patient monitor provides patient measurements to the MPMS to be displayed on a MPMS monitor.

A sleep quality assessment approach involves collecting data based on detected physiological or non-physiological patient conditions. At least one of detecting patient conditions and collecting data is performed using an implantable device. Sleep quality may be evaluated using the collected data by an imlantable or patient-external sleep quality processor. One approach to sleep quality evaluation involves computing one or more summary metrics based on occurrences of movement disorders or breathing disorders during sleep.

A system and method for monitoring and controlling the administration of at least one drug having anesthetic properties are provided. The method includes arranging a plurality of sensors configured to acquire physiological data from a patient and reviewing the physiological data from the plurality of sensors and an indication from a user interface. The method also includes assembling the physiological data into sets of time-series data and analyzing the sets of time-series data to determine signature profiles consistent with the administration of at least one drug. The method further includes identifying, using signature profiles, at least one of a current state and a predicted future state of the patient, controlling the administration of the least one drug to attain the predicted future state, and then generating a report including information regarding at least one of the current state and the predicted future state of the patient induced by the drug.

Devices, systems, and methods are provided for wirelessly powering and / or communicating with microchip devices used for the controlled exposure and release of reservoir contents, such as drugs, reagents, and sensors. In one embodiment, the system includes (1) a microchip device comprising a substrate having a plurality of reservoirs containing reservoir contents for release or exposure; and (2) a rechargeable or on-demand power source comprising a local component which can wirelessly receive power from a remote transmitter wherein the received power can be used, directly or following transduction, to activate said release or exposure of the reservoir contents. In another embodiment, the system comprises (1) a microchip device comprising a substrate a plurality of reservoirs containing reservoir contents for release or exposure; and (2) a telemetry system for the wireless transfer of data between the microchip device and a remote controller.

An electrode with three-dimensional capabilities for detection and control of brain state changes of a subject. The electrode includes a disk portion having an upper surface and a lower surface, and a shaft portion secured to and extending perpendicularly outwardly from the lower surface of the disk portion; the shaft portion having an outer surface. The disk portion and shaft portion may include one or more recording or stimulating contact surfaces structured to operatively interact with the brain of a subject. Insulating material isolates each of the recording or stimulating contact surfaces from each other. At least one conductor operatively and separately connect each of the recording or stimulating contact surfaces in communication with external apparatus. The disk portion and shaft portion are structured relative to each other to operatively provide support and anchoring for each other while providing three-dimensional capabilities for detection and control of brain state changes of a subject. Modified embodiments include insertible / retractable electrode wires, both contained in channels and sheathed in axially displaceable cannulae; activating mechanisms for inserting / retracting the electrode wires and / or cannulae; and multiple shaft portions.

Preferred embodiments of the invention employ a portable and wearable EEG monitoring device having a patient-worn amplifier releasably coupled to a host computer for transmitting EEG signals. When patient disconnection from the host computer is desired, a portable operations device (POD) can be connected to the amplifier. Preferably upon detecting disconnection, a controller causes new EEG signals to be routed to a removable memory or transmitter peripheral card, enabling seamless data acquisition. Upon detecting reconnection between the amplifier and the host computer, the controller causes new EEG signals to be routed to the host computer. The controller also preferably transmits EEG signals stored on the peripheral memory card (if used) to the host computer. Preferred embodiments include a handheld display apparatus for viewing EEG signals and electrode information. Also, preferred embodiments reduce patient tethers by connecting multiple amplifiers in a daisy-chain format (most preferably on a PAN bus).

A physiological monitoring garment includes first and second elastic fabric portions. An elongate stretchable textile data / power bus is disposed between the first and second elastic fabric portions. The elongate stretchable textile data / power bus includes a plurality of integral conductors, woven, knitted, or braided along the length thereof. One or more sensors are connected to the elongate stretchable textile data / power bus.