A61N1/0531

Contour electrocorticography (ECoG) array

ElectroCorticoGraphy (ECoG) sensors and uses are disclosed. These ECoG arrays, systems, and processes may be operable or configured to: i) simultaneously record neural signals while providing stimulation on specific portions of the cortex using a user-guided stimulator; ii) acquire neural signals over a large cortex area; iii) provide individual or group stimulation while concurrently receiving neural feedback; and/or iv) acquire neural signals at a setting remote from the neural source using wireless or other communication techniques.

Systems and methods for ruggedized penetrating medical electrode arrays

Systems and methods for ruggedized neural probes are provided. Such probes may be adapted for penetrating tissue. An exemplary ruggedized penetrating electrode array system includes an elongate shank having one or more electrodes disposed on at least one exterior surface thereof and a backend structure. A proximal end of the elongate shank is secured to the backend structure. The exemplary array system further includes an elongate carrier secured to the backend structure and extending away from the backend structure toward the distal end of the elongate shank, the elongate carrier being more rigid than the elongate shank. Methods for fabricating such an array system are also provided.

Multimodal brain sensing lead
11690553 · 2023-07-04 · ·

A medical lead with at least a distal portion thereof implantable in the brain of a patient is described, together with methods and systems for using the lead. The lead is provided with at least two sensing modalities (e.g., two or more sensing modalities for measurements of field potential measurements, neuronal single unit activity, neuronal multi unit activity, optical blood volume, optical blood oxygenation, voltammetry and rheoencephalography). Acquisition of measurements and the lead components and other components for accomplishing a measurement in each modality are also described as are various applications for the multimodal brain sensing lead.

SYSTEMS AND METHODS FOR HIGH-BANDWIDTH MINIMALLY INVASIVE BRAIN-COMPUTER INTERFACES

Systems and methods for high-bandwidth, minimally invasive brain-computer interfaces (BCIs) are disclosed. The BCIs are configured for deployment and operation in conjunction with a comprehensive interventional electrophysiology procedural suite. Three primary methods of minimally invasive electrode array delivery are disclosed: (1) cortical surface delivery, (2) ventricular delivery, and (3) endovascular delivery. Additionally, systems and methods for interacting with such high-bandwidth electrode arrays are discussed, including real-time imaging, signal processing, and neural decoding. Systems and methods for architectures for accelerating the underlying computational processes (such as graphics processing units or tensor processing units) are also discussed. Multiple applications of BCIs are discussed, with emphasis on restoration, rehabilitation, and augmentation of neurologic function.

SYSTEM AND METHOD FOR SELF-PROGRAMMING STIMULATION SETTINGS
20230001185 · 2023-01-05 · ·

A method includes configuring, by a computing device, stimulation settings for each electrode in an at least one electrode array in physical contact with a patient, the stimulation settings having adjustable parameters comprising frequency, pulse width, and amplitude, obtaining, by the computing device, feedback information from the patient, and automatically adjusting, by the computing device, at least one of the adjustable parameters based on the feedback information from the patient.

SYRINGE-INJECTION-TYPE BRAIN SIGNAL MEASUREMENT AND STIMULATION STRUCTURE, AND SYRINGE INJECTION METHOD THEREFOR

The present invention relates to a syringe-injection-type brain signal measurement and stimulation structure, and a syringe injection method therefor, and provides a structure including a high-performance flexible element capable of minimizing a skull opening when inserted into the brain. Particularly, the present invention comprises: a flexible element, which includes a contact part making contact with a surface of a cortex so as to measure a signal generated in the brain or transmit an external stimulus to the brain, a transmitting/receiving part positioned between a skull and a skin, and a connection part for making a connection between the contact part and the transmitting/receiving part; and an integrated circuit connected to the transmitting/receiving part so as to transmit/receive a signal.

Flexible soft diamond implant

Flexible implant for electrically recording or stimulating a nerve structure, said flexible implant comprising: a first layer of electrically insulating diamond; an electrode of electrically conductive doped diamond, in contact with the first layer of electrically insulating diamond; an electrically conductive layer in contact with the electrode and the first layer, so as to define a conductive track for the electrode; and a second layer of electrically insulating diamond, at least in contact with the electrically conductive layer and a remaining portion of the first layer, all of the above arranged such that: electrically insulating diamond/electrically conductive doped diamond sealing is provided at the electrode (3) by resumption of epitaxial growth; and the electrically conductive layer is encapsulated by the electrode (3), the first layer and the second layer, at the electrode and over the entirety of the remaining surface thereof except over an area defining an electrical contact. The implant has two faces, namely: a front face comprising one of the two layers of electrically insulating diamond, open locally, providing access to the electrode and the area defining an electrical contact; and a rear face comprising the other of the two layers of electrically insulating diamond.

APPARATUSES, SYSTEMS AND METHODS FOR IMPLANTABLE STIMULATOR WITH EXTERNALLY TRAINED CLASSIFIER

Embodiments of the disclosure are drawn to implantable stimulator with machine learning based classifier. An implantable system includes sensors which provide sensor information to an implantable unit. The implantable unit uses a classifier on the sensor information to select a stimulation procedure which is applied via a stimulation electrode. The classifier may be generated by a trained machine learning model. The classifier may be trained on an external unit which is not implanted in the subject. The classifier may be trained based on sensor information from the implanted sensors as well as symptom information.

System for wireless recording and stimulating bioelectric events

Systems and techniques for wireless implantable devices, for example implantable biomedical devices employed for biomodulation. Some embodiments include a biomodulation system including a non-implantable assembly including a source for wireless power transfer and a data communications system, an implantable assembly including a power management module configured to continuously generate one or more operating voltage for the implantable assembly using wireless power transfer from the non-implantable assembly, a control module operably connected to at least one communication channel and at least one stimulation output, the control module including a processor unit to process information sensed via the at least one communication channel and, upon determining a condition exists, to generate an output to trigger the generation of a stimulus.

NEUROSTIMULATION SYSTEM
20220387791 · 2022-12-08 ·

The present disclosure relates to a neurostimulation system, in particular for Cortical and/or Deep Brain Stimulation, comprising:

at least one implant unit comprising:

at least one first antenna, and

at least one lead having at least one electrode array with at least one electrode; and

at least one wearable device comprising at least one second antenna,

wherein the at least one wearable device is configured to wirelessly control and wirelessly communicate with the at least one implant unit, and wherein the at least one electrode is made of reduced graphene oxide, such as hydrothermally reduced graphene oxide.