75 results about "Stimulus control" patented technology

Improved assemblies, systems, and methods provide safeguarding against tissue injury during surgical procedures and / or identify nerve damage occurring prior to surgery and / or verify range of motion or attributes of muscle contraction during reconstructive surgery. A stimulation control device may incorporate a range of low and high intensity stimulation to provide a stimulation and evaluation of both nerves and muscles. A stimulation control device is removably coupled to a surgical device or is imbedded within the medical device to provide a stimulation and treatment medical device. A disposable hand held stimulation system includes an operative element extending from the housing, the housing includes an operative element adjustment portion and a visual indication to provide feedback or status to the user.

A feedback device for measuring balance related information, and for producing a stimulation of the skin that encodes that information in a way that is useful to the wearer of the device. At least one sensor detects balance information and transmits at least one balance information signal to a signal processing subsystem. The signal processing subsystem converts the received balance information signal into at least one stimulation control signal. The signal processing subsystem then transmits the stimulation control signal to at least one stimulator, which provides stimulation to a wearer of the device reflecting the stimulation control signal received from the signal processing subsystem.

A non-invasive device for assisting the treatment of any kind of musculoskeletal disorder, including but not exclusive of those of joint, limb, and spine disorders, includes a brace, sleeve, flexible pad, or any combination of the three, a plurality of electrodes disposed thereon, wherein the plurality of electrodes transmit at least three electrophysical modalities, and a stimulation control unit having interactive software to establish a controlled sequence of transmission of the at least three electrophysical modalities and communicating the controlled sequence to the electrodes. The at least three electrophysical modalities are chosen from a group consisting of neuromodulating functional electrical stimulation, transcutaneous electrical nerve stimulation, pulsed electromagnetic field stimulation, and heat therapy stimulation. The stimulation control unit also provides feedback data using the electrodes for monitoring and integration with the interactive software to analyze and assess biomechanical, neuromuscular, and neurological responses to the device.

A brain wave interface (IF) is started up using user's brain wave signals. A brain wave IF system comprises a brain wave measuring portion for measuring brain wave signals, a function controlling portion which analyzes an event-related potential contained in brain signals and outputs a function control signal for controlling the function of the apparatus based on the analysis results, and an output portion for outputting the function control signal. A start-up device comprises a start-up judging portion and a stimulus-attention judging portion. The start-up judging portion transmits, to the output portion, a stimulus control signal for controlling presentation / extinction of a visual stimulus which is a single item in the output portion when the brain wave IF system is not working, and compares a value of a P200 component of the event-related potential starting on a presentation timing of a visual stimulus out of the brain wave signals acquired from the brain wave measuring portion with a predetermined threshold value to determine whether or not to output a start-up trigger to the function controlling portion based on the comparison results. The stimulus-attention judging portion judges whether the user is paying attention to the visual stimulus based on an N100 component of the event-related potential starting on the presentation timing of the visual stimulus and makes the start-up judging portion start processing according to the judgment results. The brain wave IF system is started by the start-up judging portion outputting the start-up trigger.

An apparatus generates a cutaneous sense stimulus to call a subject attention to a change in posture based on posture change information (the amount of change in the barycenter, a changing direction of the same, and the like) from a device for detecting a change in posture of the subject. The apparatus has stimulus generating means (a plurality of vibrators) for generating a cutaneous sense stimulus, and stimulus control means for driving the stimulus generating means based on the posture change information. The control means comprises means for selecting a plurality of vibrators arranged substantially parallel with the changing direction based on the changing direction of the barycenter, and sequentially driving the selected vibrators, for example, in a direction substantially opposite to the direction in which the barycenter changes. The control means also drives the vibrators to generate the tactile sense stimulus of a magnitude corresponding to a changing amount of the barycenter. The vibrators are mounted on plantar soles, waist, chest, or the like. The apparatus can accurately notify the subject of a change in posture, and prompt the subject to take actions to maintain the posture.

Improved assemblies, systems, and methods provide safeguarding against nerve injury during surgical procedures and / or identify nerve damage occurring prior to surgery and / or verify range of motion or attributes of muscle contraction during reconstructive surgery. A stimulation control device may incorporate a range of low and high intensity stimulation to provide a stimulation and evaluation of both nerves and muscles. A stimulation control device is removably coupled to a surgical device or is imbedded within the medical device to provide a stimulation and treatment medical device.

The invention provides a deep brain stimulation FPGA experimental platform of a basal ganglia and thalamencephalon network for the parkinson's disease. The experimental platform comprises an FPGA development board and an upper computer, which are connected with each other; the FPGA development board is used for realizing a basal ganglia and thalamencephalonneuron network model and a deep brain stimulation controller; the upper computer is used for designing an upper computer software interface and being communicated with the FPGA development board. The experimental platform has the benefits that as an animal-free experiment means of a biological neural network, and on the basis of the high-speed computation FPGA neuron network, the experimental platform realizes the modeling of the neuron network of a complex parkinson's disease focus area, and the neuron network model can be consistent with real biological neuron on a time scale. The platform provides a visual research platform, closer to the real neuron network, for researching the discharging mechanism of the parkinson's disease and the abnormal discharging mode of the basal ganglia and thalamencephalonneuron network controlled by deep brain stimulation, and has a significant practical value in researching the treatment of the parkinson's disease.

The invention relates to a wake up stimulus control system, comprising a control unit (1) arranged to receive a user-determinable wake up time input and to control at least one stimulus source (11), a coupling for operably coupling at least one stimulus source (11) to said control unit, wherein the stimulus source (11) is controllable by the control unit (1) in such a way that the stimulus source (11) provides a gradually increasing stimulus output in dependence on said input wake up time, at least during a time period before the input wake up time, and at least one stimulus sensor (7) that is operably coupled to the control unit (1). The sensor allows a much better control of the supplied stimulus level to account for various ambient influences. The stimulus is preferably light. The invention also provides a socket, a stimulus source and a control unit for use in the system.

Provided is an event notification device capable of notifying an event with excellent immediacy without giving a shock or a sense of discomfort to a user. The event notification device 10 of the present invention includes: a notification event detection unit 11 that detects an event to be notified to a user and outputs notification data a; a stimulus control unit 12 that outputs stimulus presentation data b for providing control for presenting a stimulus to the user until the stimulus control unit receives the notification data a, and outputs stimulus removal data c for providing control for removing the presented stimulus after the stimulus control unit receives the notification data a; a stimulus presentation unit 13 that presents the stimulus upon receipt of the stimulus presentation data b and removes the presented stimulus upon receipt of the stimulus removal data c; and a transmission unit 14 that transmits presentation and removal of the stimulus to the user.

The invention relates to a programmable young animal frightening stimulus stress experiment system. The system comprises a stress experiment equipment subsystem and an electric appliance control subsystem, and is characterized in that the stress experiment equipment subsystem and the electric appliance control subsystem are installed in the same sealed sound-insulation box; the electric appliance control subsystem is an electromechanical integrated structure composed of an electronic stimulus control part and a programmable frightening stimulus signal time controller; and the electric appliance control subsystem is installed at top part of an experiment equipment isolation box. The system has the beneficial effects that: the defects in the prior art are overcome; by structure innovation, electric striking without blind zones is achieved as well as wind stimulus and odor stimulus are increased; the programmable experiment system can conveniently provide multiple quantized young animal stress reflection stimulus signals, and research the mouse stress reflex behavior under the condition that multiple mice undergo various frightening stimuli in the same environment; and the stimulus integration scheme can be freely defined according to the preset corresponding stimulus stress environment.

The invention provides a balanced single-polar component type multi-channel cochlear implant system with a detection feedback function, which comprises an external device and an internal device which are connected in a radio frequency (RF) coupling induction way, wherein the radio coupling induction way is realized by a radio proximity coupling and feedback load modulation circuit; the internal device comprises a balanced single-polar component type electrode array, a stimulus control unit, a core control unit, an internal RF coupling induction receiving and feedback output unit and a measurement control unit, wherein the balanced single-polar component type electrode array consists of an active electrode beam array used for stimulating cochlear nerves, and a plurality of common electrodearrays used for feeding measurement current signals back from the internal device to the external device; and the stimulus control unit, the core control unit, the internal RF coupling induction receiving and feedback output unit and the measurement control unit are connected with the balanced single-polar component type electrode array and are integrated on an integrated circuit chip by a binary-coded decimal (BCD) process. Through the technical scheme provided by the invention, the aims of once careful mounting, adaptive adjustment and long-term high-quality use can be fulfilled.

The invention discloses a fish behavior and nerve observation and research device and method. A side-face camera is installed on one side of a fish tank, and the other side of the fish tank is provided with an installation support. A top-surface camera, a stimulation controller, a rotating arm angle control stepping motor, a rotating arm and a rotating arm fixing support are installed on the installation support. Stimulation horizontal movement control devices are installed on the rotating arm, stimulation height control stepping motors are installed on the horizontal movement control devices and connected with height control connecting lines, the height control connecting lines are connected with stimulation points, and stimulation assemblies are installed on the stimulation points. A computer is used for controlling the cameras and the stimulation controller. The observation and research method includes the steps that three-dimensional calculation is performed on fish behaviors, calculation and analysis are performed on the fish behaviors, and fish nerve research is performed through sound, light, electricity, drug stimulation and fish behavior analysis. According to the fish behavior and nerve observation and research device and method, wider and deeper cognition to fish behaviors and nerves is performed, and the fish behavior and nerve observation and research device and method have a great effect in the field of human life science research.

To provide the user with the relationship between the scrolling speed in scroll-displaying and an operation performed on an input surface, a tactile stimulus control apparatus includes an intensity determination unit and a tactile stimulus control unit. In a case where an operation performed by a manipulator on the input surface provided corresponding to a display unit is detected while an image is scroll-displayed by the display unit, the intensity determination unit determines the intensity of a tactile stimulus to be provided to the manipulator based on the scrolling speed at the timing of detection of the operation. The tactile stimulus control unit controls a tactile stimulus generating unit, which is configured to generate the tactile stimulus to be provided to the manipulator, to generate the tactile stimulus with the intensity determined by the intensity determination unit.

The invention relate to a simultaneous stimulating and recording system of cross sensory channels of sight, sound and body sense, comprising a stimulus control host, an audio-visual stimulus device, an electroencephalogram (EEG) signal filter amplifier and a digital EEG signal recording device, wherein, the stimulus control host is connected with the audio-visual stimulus device; the audio-visual stimulus device is connected with the EEG signal filter amplifier through a testee; and the output end of the EEG signal filter amplifier is connected with the digital EEG signal recording device. The main technical characteristics are as follows: the audio-visual stimulus device is connected with the triggering signal input ends of two body sense stimulators and the marking signal input ends of the EEG signal filter amplifier through a marking signal distributor; and the output ends of the two body sense stimulators are connected with the EEG signal filter amplifier through a testee. By utilizing the system, the function of inducing and recording the stimulus of three sensory channels is realized in a programming manner, and the problem that the prior art can realize the united presentation of the stimulus of only two sensory channels is solved and the research field of (evoked potentials) ERPs is broadened.

Adaptive systems and methods for automatically determining and continuously updating stimulation parameters for adjusting ventilation to accommodate a patient's specific physiology, metabolic needs, and muscle state are disclosed herein. Having a closed loop implementation, the system may comprise a controller including a neuromorphic controlled adaptive feed-forward Pattern Generator / Pattern Shaper (PG / PS) assembly, which controls respiratory muscle movement using electrical stimulation. This PG / PS assembly comprises a biomimetic design where the pattern generator includes a neural network mimicking the simplified connectivity pattern of respiratory related neurons in the brain stem to produce a rhythmic breathing pattern frequency and the pattern shaper includes a neural network mimicking the simplified connectivity pattern of neurons to produce a stimulus control signal. This biomimetic design for the controller automatically customizes and continually updates stimulation parameters to achieve a desired breathing pattern and, thereby, slow the development of muscle fatigue.

This application discusses systems and method for entraining oromotor pattern development, such as the suck, in the orofacial system of an infant having neurological impairments or developmental disabilities. The system includes a baglet, an entrainment device, and a processor. In varying examples, the system additionally includes one or a combination of: a baglet pressure sensor, a memory, a timing circuit, a valve, a receiver assembly, a display device, and one or more data acquisition, data analysis, and stimulus-control software. Options and variations for each feature of the system are various. The present systems provide patterned, rhythmic stimulation to the infant's orofacial system to stimulate and entrain brain development, such as oromotor pattern development.

The invention discloses a functional magnetic resonance imaging synchronous monitoring and triggering stimulation control system. The technical scheme includes that the system comprises an upper computer, a lower computer and magnetic resonance imaging equipment; the upper computer is used for carrying out man-machine interaction and controlling the lower computer; the lower computer is used for processing communication and interaction with the magnetic resonance imaging equipment, stimulation tasks can be generated by a stimulation task generating module in the lower computer on the basis of instructions emitted by the upper computer, a monitoring module in the lower computer is communicated with the upper computer, and reaction parameters, which are measured by the magnetic resonance imaging equipment, of tested objects can be recorded when the stimulation tasks are carried out, and can be fed to the upper computer. The functional magnetic resonance imaging synchronous monitoring and triggering stimulation control system has the advantages that central control and hardware interfaces can be unified, triggering signals can be synchronously received when magnetic resonance images are scanned, various physiological parameters of primates can be synchronously recorded, and the functional magnetic resonance imaging synchronous monitoring and triggering stimulation control system is suitable for software and hardware technical platforms for the stimulation tasks for vision, touch and the like of the primates.

Apparatus and method for automatically inducing sleep deprivation in rodents with an electroencephalogram measurement and analysis system, an electromyogram measurement and analysis system, sleep deprivation stimulus, stimulus control, acquisition and real-time sleep stage analysis software, and cage with food and water supplies.

A heart stimulator having an electric input that is connectable to a plurality of electrodes is disclosed and includes a stimulation control unit, one or more stimulation units, an impedance determination unit and an impedance evaluation unit. The stimulation units generate stimulation pulses and deliver a stimulation pulse when triggered by the stimulation control unit. The stimulation control unit is operatively connected to one or more stimulation units to control pacing parameters such as pacing site and / or the timing of stimulation pulses to be delivered by the one or more stimulation units. The impedance determination unit determines impedance values reflecting intracardiac impedance, and the impedance evaluation unit evaluates the impedance values and provides an evaluated impedance signal to the stimulation control unit. The impedance determination unit determines a plurality of impedance values between different pairs of electrodes that are connected to the electric input during operation of the heart stimulator.

Movement of a freely roaming animal (190), such as a rat, is guided using electric stimulation of the animal's brain. Cues are provided to the animal to move forward by stimulating a reward center of the brain. Cues are provided to the animal to change its direction by stimulating portions of the animal's brain that control right and left movements, such as a cortical representation of whiskers of the animal. Multi-channel, remotely controlled equipment (140, 145, 150, 350) may be carried by the animal to enable independent energizing of electrodes attached to different regions of the animal's brain. A transmitter carried by the animal may report back data to allow monitoring. A component may be carried by the animal for carrying out a mission, such as for search and rescue or surveillance. Groups of animals may be controlled in real-time by coordinating their movements and tracking their locations.

The invention discloses an implanted nerve electrical stimulation control method, device and system. The method comprises the steps of: receiving a test command; amplifying a pulse amplitude value once a unit interval based on a preset algorithm; outputting the amplified pulse amplitude value to continuously change output pulse of a stimulating electrode in a body. Compared with the prior art, the implanted nerve electrical stimulation control method, device and system have the beneficial effects that an implanted nerve electric pulse generator can be program-controlled in real time to perform side effect test on a patient, the operation is simple and the safety is high.