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319 results about "Neural stimulation" patented technology

Neural Stimulus. A neural stimulus is a hormone that is released by the glands of the endocrine system. This is a non-voluntary process in which the nervous system stimulates the endocrine system to release neural stimuli. For example, when a stress response is needed the sympathetic nervous system stimulates the adrenal gland...

Medical device for neural stimulation and controlled drug delivery

Medical devices and methods are provided for electrical stimulation of neural tissue and controlled drug delivery to a patient. The device includes an implantable drug delivery module which comprises a plurality of reservoirs, a release system comprising at least one drug contained in each of the reservoirs, and control means for selectively releasing a pharmaceutically effective amount of drug from each reservoir; a neural electrical stimulator which comprises a signal generator connected to at least one stimulation electrode for operable engagement with a neural tissue of the patient; and at least one microcontroller for controlling operational interaction of the drug delivery module and the neural electrical stimulator. The microcontroller may control the signal generator and the control means of the drug delivery module. The device may further include a sensor operable to deliver a signal to the microcontroller, for example to indicate when to deliver electrical stimulation, drug, or both.
Owner:DARE MB INC

Implantable neural stimulator system including remote control unit for use therewith

An implantable neural stimulation system, such as an auditory Fully Implantable System (FIS), includes: (1) an implanted device capable of providing desired tissue or nerve stimulation; and (2) a remote control unit that provides a mechanism for readily controlling the implant device, i.e., for selectively adjusting certain stimulation parameters associated with the tissue stimulation of the implanted device. The remote control unit uses a first signal path to send signals to the implant device, and a second signal path to receive signals from the implant device. The combination of these two signal paths provides a full-duplex channel between the remote control unit and the implant device through which air appropriate control and status signals may be sent and received. In one embodiment, the first signal path comprises an audio signal path through which audio control signals, e.g., a tone sequence or a 32-bit word FSK modulated between 300 and 1200 Hz, are sent; and the second signal path comprises a RF signal path through which a BPSK, QPSK or FM modulated RF signal is received. The full-duplex channel allows operation of the remote control unit, i.e., allows signals to be successfully sent to and received from the implant device, from as far away as 45-60 cm from the implant device.
Owner:ADVNACED BIONICS LLC

Treatment of disorders by unidirectional nerve stimulation

Apparatus for treating a condition of a subject is provided. An electrode device is adapted to be coupled to longitudinal nervous tissue of the subject, and a control unit is adapted to drive the electrode device to apply to the nervous tissue a current which is capable of inducing action potentials that propagate in the nervous tissue in a first direction, so as to treat the condition. The control unit is further adapted to suppress action potentials from propagating in the nervous tissue in a second direction opposite to the first direction.
Owner:MEDTRONIC INC

Systems and methods of enhancing electrical activation of nervous tissue

Methods and systems for improving nerve stimulation are disclosed and are termed enhanced transcutaneous electrical stimulation (eTENS). One embodiment can be used for enhancing the excitation properties of neural tissue. In one embodiment, systems and methods are provided to enable the selective modulation of specific (targeted) neural substrate, while minimizing the activation of adjacent (non-targeted) nervous tissue, or differentially providing different modulation signals to tissue targeted by different implants. In one embodiment, the system consists of an implant that is used to modify the extracellular potential (i.e. activating function) generated by an independent electrical stimulus generator. Certain aspects of this technology can be applied to any part of the central and peripheral nervous systems. Particular embodiments of this technology provide for therapy related to urological disorders.
Owner:EBT MEDICAL INC

Electrode array for neural stimulation

The objective of the current invention is to restore color vision, in whole or in part, by electrically stimulating undamaged retinal cells, which remain in patients with, lost or degraded visual function. The invention is a retinal color prosthesis. Functionally, There are three main parts to this invention. One is external to the eye. The second part is internal to the eye. The third part is means for communication between those two parts. The external part has subsystems. These include an external imaging means, an eye-tracker, a head-motion tracker, a data processor, a patient's controller, a physician's local controller, a physician's remote controller, and a telemetry means. The imaging means may include a CCD or CMOS video camera. It gathers an image of what the eyes would be seeing if they were functional.Color information is acquired by the imaging means. The color data is processed in the video data processing unit. The color information is encoded by time sequences of pulses separated by varying amounts of time, and also with the pulse duration being varied in time. The basis for the color encoding is the individual color code reference. Direct color stimulation is another operational basis for providing color perception. The electrodes stimulate the target cells so as to create a color image for the patient, corresponding to the original image as seen by the video camera, or other imaging means.The physician's test unit can be used to set up or evaluate and test the implant during or soon after implantation at the patient's bedside.
Owner:SECOND SIGHT MEDICAL PRODS

Flexible Circuit Electrode Array

A flexible circuit electrode array with more than one layer of metal traces comprising: a polymer base layer; more than one layer of metal traces, separated by polymer layers, deposited on said polymer base layer, including electrodes suitable to stimulate neural tissue; and a polymer top layer deposited on said polymer base layer and said metal traces. Polymer materials are useful as electrode array bodies for neural stimulation. They are particularly useful for retinal stimulation to create artificial vision, cochlear stimulation to create artificial hearing, or cortical stimulation many purposes. The pressure applied against the retina, or other neural tissue, by an electrode array is critical. Too little pressure causes increased electrical resistance, along with electric field dispersion. Too much pressure may block blood flow.
Owner:CORTIGENT INC
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