103 results about "Nerve stimulation" patented technology

The invention provides a nerve stimulation system which comprises a stimulation device, the stimulation device comprises a signal generation circuit, a control module, a signal acquisition circuit and a reuse electrode, and the stimulation device is arranged to be implantable in a body, generates a stimulation signal and applies the stimulation signal to a target nerve through the reuse electrode; the signal generation circuit applies a titration stimulation signal to a target nerve according to a preset mode, the signal intensity of the titration stimulation signal in the preset mode is gradually increased to a peak value from an initial threshold value, and then the titration stimulation signal is generated after the peak value is kept for a period of time or some stimulation periods; gradually reducing to a termination threshold value and ending; when a titration stimulation signal is applied to a target nerve, the signal acquisition circuit can correspondingly acquire an evoked potential; and selecting the stimulation parameter with the lowest stimulation signal intensity in the evoked potential time period meeting the target threshold value as a parameter of a treatment stimulation signal for subsequent treatment stimulation signal application.

The present disclosure provides a method and a system for electrical stimulation based on physiological parameter feedback regulation. The method includes: continuously acquiring action data and corresponding tremor manifestation data in daily activities of a user; calculating an average tremor level of the user based on the tremor manifestations; identifying a plurality of actions exhibiting tremor manifestations deviating from the average tremor level, and constructing an action set; constructing a continuous action sequence based on the action set; and guiding the user to execute the continuous action sequence while respectively applying electrical nerve stimulation with a plurality of candidate stimulation parameter sets, determining a first electrical stimulation parameter set that satisfies the conditions that the tremor level of the Category I actions decreases, and the tremor level of the Category II actions does not rise, and performing subsequent electrical stimulation using the first electrical stimulation parameter set.

The invention discloses a multifunctional neural electrode for intracranial pressure detection and closed-loop nerve regulation, the multifunctional electrode sequentially comprises a PMUT electrode for intracranial pressure detection and nerve regulation and a macro-micro electrode for electroencephalogram signal detection from top to bottom, and the PMUT electrode is bonded on the macro-micro electrode. The PMUT electrode is bonded to the macro-micro electrode to serve as a multifunctional electrode, the PMUT electrode can serve as a pressure sensor and can also serve as an ultrasonic transducer, the dual functions of intracranial pressure detection and fixed-point ultrasonic nerve stimulation are achieved, the macro-micro electrode can achieve detection of local field potential and peak potential, and the ultrasonic nerve stimulation function is achieved. Therefore, a detection-feedback-regulation closed-loop system is realized.

The utility model relates to the technical field of nerve stimulation, and discloses an electrode contact, an implantable electrode and a nerve stimulation system. The electrode contact comprises a plurality of contact surfaces, each contact surface can independently serve as a stimulation source, and at least two contact surfaces in the plurality of contact surfaces face different directions, so that the electrode contact has a plurality of stimulation directions. According to the electrode contact scheme provided by the embodiment of the utility model, more stimulation directions can be provided, and the effectiveness and accuracy of nerve stimulation can be improved.

A Peripheral Nerve Stimulation (PNS) system and method are disclosed. The system includes a headset with ear hooks and electrodes for placement on the mastoid processes. A stimulation device connected to the headset via lead wires delivers a pulsed electrical current to the electrodes. The device communicates with a computing device equipped with a mobile application that controls the stimulation characteristics. The mobile application allows users to adjust settings, monitor progress, and access treatment sessions. The system also includes snap ports for electrode attachment, self-adhesive hydrogel electrodes, and current control mechanisms using a digital potentiometer and waveform generator. The method includes pre- and post-session anxiety rating, personalized treatment based on user inputs, and tracking of physiological biomarkers. The application supports multiple operating systems, secure cloud data storage, and enables data sharing with healthcare providers. The invention provides a comprehensive, customizable, safe solution for managing anxiety and insomnia.

Examples of the disclosure include an implantable system comprising principal stimulation circuitry configured to provide electrical stimulation to a phrenic nerve via at least one phrenic nerve stimulation electrode, subordinate stimulation circuitry configured to provide electrical stimulation to an upper-airway nerve via at least one upper-airway-nerve stimulation electrode, at least one respiration sensor, and an implantable pulse generator (IPG) comprising the stimulation circuitries and at least one processor configured to cause the subordinate stimulation circuitry to deliver stimulation in an absence of delivery of the phrenic nerve stimulation, monitor a signal from the respiration sensor(s), identify a respiration reduction based on the signal during the stimulation delivery, and in response thereto, cause the stimulation circuitries to deliver the stimulations concurrently based in part on the respiration signal and control a timing of delivery of the upper- airway-nerve electrical stimulation relative to a timing of delivery of the phrenic nerve electrical stimulation.

The invention provides an implantable pulse generator which is used for a small implantable nerve stimulation system and is suitable for receiving and fixing a stimulation electrode. The implantable pulse generator comprises a main body and a locking assembly. The body has a stimulating electrode receiving aperture and a locking aperture. The locking assembly is configured to pass through the locking hole and fix the stimulating electrode. The locking assembly comprises a locking bolt and a first sealing ferrule. The locking bolt is composed of a locking bolt head part and a locking bolt rod part in the first direction. The diameter of the locking bolt head part is larger than that of the locking bolt rod part. The locking bolt rod part penetrates through the locking hole and enters the stimulating electrode receiving hole to abut against the stimulating electrode. By providing a locking bolt having a head such that a first sealing ferrule may be added between the head and the body, the sealing interface avoids the possibility of thread breakage. As the rod part of the locking bolt extends into the locking hole, the first sealing ferrule is extruded, and the sealing effect is improved.

The invention relates to the field of medical equipment, in particular to a neck nerve stimulator, a neck nerve stimulation method and a computer readable storage medium, and the neck nerve stimulator comprises a position sensing unit which is used for obtaining neck position information; the energy output unit is used for outputting stimulation energy; the control unit is connected with the position sensing unit and the energy output unit and is used for determining the position of a neck nerve according to the neck position information output by the position sensing unit; the control unit is further used for controlling the energy output unit to output stimulation energy at the position where the neck nerves are located. Accurate positioning and precise stimulation of the neck nerves are achieved, and a common user can use the device conveniently.

A method of implanting a nerve stimulation device in treating an overactive bladder condition includes providing an external programmer and providing an implantable tibial nerve stimulation device (ITNS device) including a pulse generator enclosing circuitry and a lead coupling an electrode assembly to the pulse generator. The external programmer wirelessly communicates with the circuitry of the pulse generator to program a stimulation therapy for the ITNS device.

The present disclosure may include an electroceutical configured to sense a signal generated from a nerve and provide stimulation to the nerve, and an electronic device configured to control the electroceutical. The present disclosure relates to a system having an electroceutical for nerve stimulation, the electroceutical including a plurality of lead wires disposed to surround the nerve, a header connector including a plurality of pins connected to the plurality of lead wires; and a microcontroller unit (MCU) configured to change a setting of the header connector based on a control signal received from the electronic device.

The embodiment of the invention discloses a testing device. The testing device comprises a cable, a connecting assembly and a stimulating assembly which are connected in sequence. Wherein the connecting assembly is provided with a limiting groove for limiting and fixing the implantable electrode, a plurality of conductive elastic sheets in conductive connection with the cable are arranged in the limiting groove, and the conductive elastic sheets are used for being detachably and electrically connected with a wire of the implantable electrode, so that the implanted implantable electrode is tested. The stimulation assembly is provided with a conductive probe electrically connected with the cable, and can apply a test electric signal to the nervous tissue to carry out a stimulation reaction test, thereby assisting in accurately confirming the position of the target spot. According to the testing device, the electrode testing function and the nerve stimulation testing function are integrated into a single device, the structure is compact, operation is visual, and the accuracy, smoothness and convenience of an operation are remarkably improved.

The invention relates to the technical field of medical instruments for spinal nerve stimulation, and provides a wireless power supply implantable spinal nerve light regulation and control device, which comprises an in-vitro energy transmitting end and an in-vivo implanted light source, the in-vitro energy transmitting end comprises an energy supply unit, a multi-degree-of-freedom positioning structure and a wireless energy transmitting and working state feedback mechanism; the multi-degree-of-freedom positioning structure drives the wireless energy transmitting and working state feedback mechanism to adjust the pose; the wireless energy emission and working state feedback mechanism provides wireless electromagnetic waves for the in-vivo implanted light source in the body of a patient, the in-vivo implanted light source generates continuous light or pulsed light to conduct light treatment on the spinal cord injury part, and the in-vivo implanted light source emits near-infrared light. And the wireless energy emission and working state feedback mechanism transmits a monitored near-infrared light intensity signal to the degree-of-freedom positioning structure to drive the wireless energy emission and working state feedback mechanism to adjust the pose. Light source stimulation of light biological regulation technical parameters can be met, and light biological regulation treatment is achieved.

An object of the present technology is to provide a nerve stimulation device, a nerve stimulation system, and a nerve stimulation method capable of applying abundant variations of electrical stimulation to a nerve with high accuracy without having wiring between the nerve stimulation device and an external power supply.SOLUTION: The nerve stimulation device includes a power receiving unit 130, a stimulation electrode 150, and a stimulation current generating unit 140 that generates a stimulation current to be applied to the stimulation electrode 150. The power receiving unit 130, the stimulation electrode 150, and the stimulation current generating unit 140 can be implanted in a living body. The stimulation electrode 150 is electrically connected to a nerve in a living body. The stimulation current generating unit 140 has a stimulation current pattern selecting part 143 for selecting a stimulation current pattern based on the change of the frequency when the power receiving unit 130 receives the power, and a stimulation current generating part 144 for generating the stimulation current based on the stimulation current pattern.SELECTED DRAWING: Figure 2

The invention discloses a peripheral nerve plexus stimulation needle capable of automatically locking puncture depth, which relates to the technical field of nerve stimulation needles, and comprises a positioning ring seat used for being positioned above a part to be subjected to needle application; the adsorption assembly is fixedly connected below the positioning ring seat; the depth self-locking assembly is arranged in the positioning ring seat; the telescopic rods are arranged in a circumferential array, one end of each telescopic rod is hinged to the positioning ring seat, and the other end of each telescopic rod is hinged to the depth self-locking assembly; the nerve stimulation needle is arranged in the depth self-locking assembly in a penetrating manner, is driven by the depth self-locking assembly to adjust the needle setting depth, and is locked by the depth self-locking assembly after being adjusted to the target depth; the nerve stimulator is electrically connected with the nerve stimulation needle, the peripheral nerve plexus stimulation needle can achieve multiple self-locking, and the overall safety is improved.

The invention belongs to the field of biomedical engineering, and discloses a function positioning system for connection of a medial thalamic pillow and an emotional cortex, which comprises the following steps of: performing near-infrared nerve stimulation on the medial thalamic pillow, and collecting an MRI (Magnetic Resonance Imaging) structure image and an MRI function image during stimulation; according to the MRI structure image, projecting a buckling back, a brain island, an amygdaloid nucleus and a subregion thereof, and a brain region adjacent to the buckling back, and respectively segmenting the buckling back, the brain island and the amygdaloid nucleus; different body emotion expression function partitions are positioned at the buckle back; positioning the internal sensory function subareas according to the subareas of the brain island; according to different subregions of the amygdala kernel, positioning the emotion function regions of the amygdala kernel; according to the MRI functional image, the activated voxel is evaluated, and according to the positions of the activated voxel in different emotional loop brain areas, the function positioning of the connection of the inner thalamic pillow and the emotional cortex is realized. According to the system, the specific topological connectivity of the inner thalamic pillow and the brain emotional cortex is realized.

The invention discloses a firmware upgrading system and method based on a nerve stimulation device OTA, and the system carries out the wireless firmware upgrading of a nerve stimulation device product, firstly carries out the binding of an SN number through an APP, receives a communication signal of a Bluetooth device BLE of the nerve stimulation device through the short-distance communication between Bluetooth communication modules of a cellphone, and carries out the wireless firmware upgrading of the nerve stimulation device. Wherein the nerve stimulation device broadcasts a corresponding SN number, only equipment which is successfully matched and authenticated is connected, and operations such as Bluetooth firmware packet transmission, downloading, upgrading and updating can be realized after successful connection. The problems of compatibility of upgrading equipment and tedious and unstable upgrading process are solved, the reliability of data transmission is improved, transmission is carried out frame by frame in the transmission process, the transmission condition of each frame can be checked and compared in real time, and troubleshooting is facilitated.

A nerve stimulation action field rendering method and apparatus, and a storage medium and an electronic device. The method comprises: acquiring a pre-configuration file of a target object, wherein the pre-configuration file comprises a plurality of pieces of voxel grid data of the target object in neural stimulation scenarios, and the plurality of pieces of voxel grid data correspond to different grid precision levels (S110); acquiring target nerve stimulation information, and on the basis of the target nerve stimulation information, determining target voxel grid data from the pre-configuration file (S120); and on the basis of the target voxel grid data, performing rendering to obtain a nerve stimulation action field corresponding to the target nerve stimulation information (S130).

The invention provides a peripheral nerve stimulation system. The peripheral nerve stimulation system comprises a stimulation front end, a release part, a wire and a base, the stimulation front end and the release part are used for being implanted into a body, and the stimulation front end is used for being connected with a target nerve; the base is used for being arranged outside a body; the two ends of the wire are connected with the base and the stimulation front end respectively. The base is configured to send stimulation energy to the stimulation front end through the wire; wherein the stimulation front end is configured to be degradable, and the release part is configured to drive the wire to be released and separated from the stimulation front end when receiving release energy from the base; after the lead is disengaged from the stimulation front end, the lead is configured to be removed from the body. By means of the configuration, the precision and effectiveness of intraoperative electrical stimulation treatment and the convenience of percutaneous electrical stimulation treatment are achieved at the same time, and a secondary operation can be omitted after treatment is completed.

Devices and / or methods for treating sleep disordered breathing may include stimulation of a single nerve, multiple nerves, as well as other tissues relating to upper airway patency.

To provide a medical device for use in pain treatment, and use in pain treatment by nerve stimulation.SOLUTION: Such medical devices are known that include an invasive component having at least one electrode configured to be placed on a nerve and to emit an electrical stimulation signal, and a signal generator connected to the electrode and configured to generate a stimulation signal, the stimulation signal being configured to inhibit the impulse transmission of the nerve. According to the invention, the at least one electrode is configured to emit an electrical monitoring signal, the signal generator is configured to generate the monitoring signal, and the monitoring signal is configured to cause a motor and / or sensory response, the form of which is dependent on the distance between the electrode and the nerve.SELECTED DRAWING: Figure 1

The nerve stimulation device comprises an implantation part capable of being implanted into a human body, the implantation part comprises a transducer and an electrode, the transducer is configured to receive a vibration signal and convert the vibration signal into an electric signal, and the electrode is configured to output an electric stimulation signal based on the electric signal.

The invention discloses pressure wave and shock wave dual-mode ultrasonic nerve stimulation equipment which comprises a power panel, an upper computer board, a lower computer board and an ultrasonic transducer. The power supply board comprises a DAC module and a phase-shifted full-bridge circuit; the lower computer board comprises a lower computer control unit and an ultrasonic driving circuit unit; the upper computer board controls the driving square wave phase difference of the phase-shifted full-bridge circuit by adjusting the voltage of the DAC module so as to control the output voltage; the output voltage of the phase-shifted full-bridge circuit is used as the direct-current power supply voltage of the ultrasonic driving circuit unit and is used for calculating the focus sound pressure of the ultrasonic transducer; the upper computer board sends a pulse parameter instruction to the lower computer board, and the lower computer control unit emits a square wave to excite the ultrasonic driving circuit unit based on the pulse parameter instruction; the surface sound pressure of the ultrasonic transducer is adjusted by adjusting the voltage of the DAC module, and the forming distance of shock waves is adjusted by changing the sound pressure. According to the invention, the same set of drive circuit and the same transducer can generate shock waves and pressure waves at the same time.

Systems, devices and methods are provided for stimulating one or more cranial nerve(s) of a user. The systems and methods combine an electrical stimulation signal with an audio signal, such as music, white noise, ambient sound, filtered music, and the like. The combination of the nerve stimulation and the audio signal may be specifically designed to treat various diseases or disorders and / or for non-medical purposes, such as improving the general well-being of the user, reducing stress and the like. In certain embodiments, the electrical impulses comprise a burst stimulation and a tonic stimulation. The burst stimulation may comprise a burst of pulses. The bursts and / or the pulses may have frequencies that vary throughout the duration of the treatment.

The invention relates to the technical field of medical equipment, in particular to a finger blood collection device which comprises a main body assembly and a shell, a built-in cavity is formed in the inner wall of the shell, a negative pressure sleeve is arranged at the end of the built-in cavity, and a pressing cap is further arranged at the end of the negative pressure sleeve; a mounting shell is further arranged on the inner wall of the built-in cavity, a puncture component is arranged on the inner wall of the mounting shell, the end of the puncture component is connected with a suction tube, and the other end of the suction tube is connected with a blood storage tube; the blood storage tube is initially in a contraction state, after the puncture component completes puncture, the puncture component and the blood storage tube are released by pressing a key arranged on the outer wall of the shell, the blood storage tube generates negative pressure, and blood at the end of the puncture component is absorbed into the blood storage tube through the suction tube; by means of controllable negative pressure generated by the negative pressure sleeve, the fingertip skin is locally adsorbed to form a bulge, the epidermis is stretched according to the biomechanical principle, subcutaneous nerves are promoted to move relatively, and therefore the nerve stimulation intensity in the puncture process is physically reduced, and slight pain blood sampling is achieved.

A transcutaneous nerve stimulation patch arrangement comprising at least one patch (1) designed for placement on the skin and comprising: a flexible backing layer (2); an adhesive layer (12) arranged on a skin-facing surface of the backing layer (2); a removable release liner covering the adhesive layer prior to use; at least two conductive electrodes (3) integrated into at least one patch (1) and positioned to contact the skin when the adhesive layer (12) is attached to the user's skin; a stimulation unit integrated into at least one patch (1) and electrically connected to the electrodes (3), the stimulation unit being configured to generate electrical impulses, preferably at frequencies between 1–100 Hz and preferably with pulse widths between 100–500 µs;a power source (5) integrated into at least one patch (1) and electrically connected to the stimulation unit; a control circuit configured to regulate the delivery of electrical impulses according to predefined stimulation patterns, wherein the control circuit is configured to automatically initiate the stimulation when at least one patch is applied to the skin.

This disclosure provides a device (10) for preparing a patient for examination in a medical magnetic resonance imaging environment. The device comprises: at least one stimulation unit (11), adapted to operate separately from a magnetic stimulation used in the medical magnetic resonance imaging environment, and to intentionally stimulate a nerve and / or a muscle of a peripheral body part of the patient by applying an electrical and / or magnetic stimulation different from the magnetic stimulation used in the medical magnetic resonance imaging environment and being a proxy thereof; and at least one data processing unit (12), adapted to control the at least one stimulation unit to apply the electrical and / or magnetic stimulation to which at least one patient stimulation threshold is assigned; means for using the stimulation for communicating with the patient.

The invention provides a personalized nerve stimulation parameter generation method based on electroencephalogram analysis, and aims to overcome the problem of parameter immobilization in the prior art. According to the method, a discomfort threshold value (DT) of an individual is determined through a stimulation tolerance test, and a personalized current intensity safety range is established. Then, combining an electroencephalogram risk assessment result, and utilizing a quantization formula to dynamically calculate stimulation parameters, including current intensity, stimulation duration and frequency; and finally, generating and outputting a personalized stimulation scheme to the stimulation equipment. According to the method, the defects of fixed parameters and one-step cutting in the prior art are overcome, dual individuation (safety and effectiveness) of stimulation parameters is realized, the safety and accuracy of transcranial electrical stimulation treatment are remarkably improved, and the method can be widely applied to auxiliary treatment of neurological and mental diseases such as depression, cognitive impairment and sleep disorder.