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.

The present device is a stimulating wearable item that provides safety and entertainment benefits to the wearer. The device includes a wearable item, preferably a backpack, a stimulus control system, and at least one stimulus means. The stimulus control system includes a controller, a motion sensor and at least one power source. Each stimulus means is electrically connected to the stimulus control system. When the controller detects movement of the wearable item through the motion sensor, the stimulus control system activates the at least one stimulus means. The at least one stimulus means includes different stimulus means, such as a noise means, a vibration means, or an illumination means. The stimulating wearable item uses multiple stimulating means to increase the profile of the wearer and is enjoyable to wear to encourage frequent use. The device also allows for easy changing of the stimulus means as desired.

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 belongs to the technical field of rehabilitation devices, relating to artificial neural networks and the precise control of functional electrical stimulation (FES), in particular to a PID-adjusting FES precise control method based on BP neural network. In order to improve the accuracy and stability of an FES system, the invention adopts a technical proposal as follows: first assigning weighting coefficient initial values for each layer and selecting proper learning rate eta; then taking initial output value yout, input and output error and preset input value rin as the input values of the BP neural network; calculating the final output values of the neural network, namely coefficients Kp, Ki and Kd of PID; calculating the output value yout and error between the output value and the input value of the system under new PID coefficients and then carrying out next step of self-learning and weighting coefficient self-adjusting of the neural network; repeating the processes to finally realize on-line adjusting of self-adaptation of the PID control parameters and using the PID control parameters in the FES system. The method is primarily used for FES control.

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.

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.