222 results about "Electrical stimulations" patented technology

1. The name of the design product: headband for sleep apnea electrical stimulation instrument. 2. The use of the design product: headband for sleep apnea electrical stimulation instrument, providing non-invasive treatment for patients with obstructive sleep apnea syndrome. 3. The design features of the design product: the shape of the design product. 4. The picture or photo that best indicates the design features: perspective view 1.

An electrical stimulation device may include a handle having a proximal end, a distal end, one or more actuators, and a display. The electrical stimulation device may also include a probe attached to and extending from the distal end of the handle, the probe including a stimulation portion and a return portion, wherein a spacing between the stimulation portion and the return portion is adjustable.

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.

1. The name of the design product: electric stimulation instrument connecting belt. 2. The use of the design product: used with the main machine and electrodes together, for the treatment of idiopathic tremor, Parkinson's tremor, and neurogenic pain by transcutaneous nerve electric stimulation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 2 perspective view. 5. Design 2 is designated as the basic design.

Presented herein are techniques for measuring an evoked response to stimulation. One or more electrical stimulation signals are delivered to first ear of a recipient via a first hearing device implanted at the first ear of the recipient. One or more evoked potential evoked by the one or more electrical stimulation signals are measured with a second hearing device implanted at a second ear of the recipient.

Systems, devices, and methods for affecting a patient's organ function by innervating one or more organs of the patient are described herein. Innervating one or more organs of the patient is induced via electrical stimulation to nerve fibers, such as afferent nerve fibers, of one or more of the patient's dorsal roots. Electrical stimulation to dorsal root nerve fibers is delivered using at least one intravenous electrode disposed within a vein of the patient proximate to the dorsal root nerve fibers.

The present technology provides systems and methods for delivering electrical stimulation having relatively long pulse widths to a patient’s spinal cord region to treat autonomic nervous system dysfunction. For example, some embodiments include delivering an electrical therapy signal having individual pulses with pulse widths of between about 2 milliseconds and about 10 seconds. The electrical therapy signals may treat autonomic nervous system dysfunction by normalizing activity of the patient’s parasympathetic nervous system, normalizing activity of the patient’s sympathetic nervous system, and / or normalizing a balance of activity between the patient’s parasympathetic and sympathetic nervous systems.

A biomimetic intervertebral fusion device with a piezoelectric multifunctional coating belongs to the field of implantable medical devices. It includes an upper piezoelectric multifunctional coating, a fusion device body, and a lower piezoelectric multifunctional coating. A bone graft window is located in the middle of the biomimetic intervertebral fusion device. The piezoelectric multifunctional coating is made of electrospun piezoelectric PVDF / HA fibers, which are conformally adhered to the upper and lower surfaces of the fusion device body through a polydopamine adhesive layer. The upper and lower surfaces of the fusion device body have a biomimetic curved surface configuration to match the morphology of the vertebral endplates, increasing the contact area and reducing stress concentration at the fusion interface. While maintaining an elastic modulus similar to natural bone and good radiation permeability, this fusion device, after implantation, can create a microenvironment conducive to cell adhesion and proliferation. Under the influence of cell traction, ultrasonic stimulation, and the physiological load of the human lumbar spine, it generates electrical stimulation signals, promoting bone fusion, improving the stability of the fusion interface, and reducing the risk of postoperative loosening and subsidence of the fusion device.

The application provides a rehabilitation training difficulty self-adaptive system based on motion capture, and relates to the technical field of rehabilitation training.The rehabilitation training difficulty self-adaptive system based on motion capture comprises a signal processing module, a muscle movement acquisition module, an electric stimulation module, a self-adaptive adjustment module and a neuromuscular evaluation module.The output end of the signal processing module is connected with the self-adaptive adjustment module and the neuromuscular evaluation module.The output end of the muscle movement acquisition module is connected with the input end of the signal processing module.The output end of the electric stimulation module is connected with the input end of the muscle movement acquisition module.The output end of the self-adaptive adjustment module is connected with the input end of the electric stimulation module.Through the signal processing module, the muscle movement acquisition module, the electric stimulation module, the self-adaptive adjustment module and the neuromuscular evaluation module, the motion trajectory and the motion speed of the rehabilitation training can be conveniently acquired, and the difficulty of the rehabilitation training can be self-adapted, so that the switching is accurate.

This invention relates to an apparatus for electrical stimulation of muscles in a subject. The apparatus includes: a system configured to generate a stimulation signal comprising a plurality of electrical pulses; and a tool for applying the stimulation signal to the subject to induce contraction of at least one muscle of the subject; wherein the stimulation signal is configured to induce a peak blood flow increase of at least 50% above baseline in the subject when applied to the subject. The invention also relates to a method for electrical stimulation of muscles in a subject. The method includes applying a stimulation signal comprising a plurality of electrical pulses to the subject; wherein the application of the signal induces a peak blood flow increase of at least 50% above baseline in the subject.

Systems and methods for generating a finite element model (FEM) of current flow in an anatomical human forearm are disclosed. The disclosed FEM may assist in determining optimal stimulation parameters in electrical stimulation systems for achieving movement of paralyzed limbs or enhancement of able limbs. This model will allow users to determine which muscle groups are receiving stimulation under different parameters. Systems and methods which leverage electrical impedance tomography (EIT) for autonomous recalibration following garment donning are also disclosed. The method may comprise performing an EIT measurement across an electrode array of an electrode garment and constructing an anatomical model based on the EIT measurement. Next, one or more alignment variations may be estimated based on an alignment variation model. Finally, the electrode array is adjusted, automatically or manually, to accommodate the alignment variations using an alignment adjustment function.

An example method includes delivering one or more electrical stimulation signals to a patient, sensing a composite stimulation-evoked signal comprising a composite of signals generated by one or more signal sources in response to the one or more electrical stimulation signals, and controlling delivery of electrical stimulation therapy to the patient based on the composite stimulation-evoked signal.

Techniques are disclosed for defining a homeostatic window for controlling delivery of electrical stimulation therapy to a patient. In one example, a method includes generating and delivering electrical stimulation therapy to tissue of a patient via electrodes. Further, the method includes adjusting a level of a parameter of the electrical stimulation therapy such that a signal of the patient is not less than a lower bound and not greater than an upper bound. The lower bound is determined to be the magnitude of the signal while receiving electrical stimulation therapy sufficient to reduce one or more symptoms of a disease while the patient was receiving medication for reduction of the one or more symptoms. Further, the upper bound is determined to be the magnitude of the signal while receiving electrical stimulation therapy sufficient to reduce the one or more symptoms when the patient was not receiving the medication.

This invention discloses a percutaneous spinal cord electrical stimulation (PCOS)-based analgesia system and method, belonging to the field of non-invasive electrical stimulation analgesia technology and its stimulation control system. The system includes: a single pair of electrode patches, comprising a cathode patch and an anode patch, for attachment to the subject's body surface in areas corresponding to target spinal cord segments; a stimulator electrically connected to the single pair of electrode patches for generating and outputting electrical stimulation signals to the electrode patches; and a control module connected to the stimulator for receiving user-input commands, setting and adjusting the stimulation parameters of the electrical stimulation signals, and controlling the activation and deactivation of the stimulator. This system features simple single-patch operation, precise targeting, and multi-segment coverage capabilities, providing a safe and controllable operating procedure for pain-related spinal cord segments through percutaneous electrical stimulation. Furthermore, the system's modular structure facilitates integration into different device platforms or expansion to other neuromodulation applications.

This disclosure provides a system for preparing a patient for examination in a medical magnetic resonance imaging (MRI) environment. The system includes: a magnetic resonance imaging unit (20) applied to the MRI environment and including at least one magnetic coil controlled to provide magnetic stimulation to intentionally stimulate nerves and / or muscles of a peripheral body part of the patient during the examination phase; and a first device (10) applied during a patient preparation phase prior to the examination phase; wherein the MRI unit (20) and the first device (10) are configured to provide tactile communication with the patient by intentionally stimulating nerves and / or muscles of a peripheral body part of the patient, wherein the first device (10) includes: at least one stimulation unit (11) adapted to act as a proxy for the MRI unit (20) by simulating subsequent magnetic stimulation from the MRI unit (20) as proxy electrical stimulation and / or proxy magnetic stimulation, and to operate separately from the magnetic stimulation from the MRI unit, and by applying stimulation by a means different from the magnetic stimulation from the MRI unit. The system includes an electrical stimulation and / or magnetic stimulation to intentionally stimulate nerves and / or muscles in the peripheral body parts of the patient; and at least one data processing unit (12) adapted to control the at least one stimulation unit (11) to apply the electrical stimulation and / or the magnetic stimulation, wherein at least one patient stimulation threshold is assigned to the proxy electrical stimulation and / or the proxy magnetic stimulation, and the at least one data processing unit (12) is also adapted to correlate the at least one patient stimulation threshold associated with the proxy electrical stimulation and / or the proxy magnetic stimulation with a corresponding threshold assigned to the magnetic stimulation used in the medical magnetic resonance imaging environment, and to provide control parameters for applying the subsequent magnetic stimulation by the magnetic resonance imaging unit (20) based on the correlation; wherein the at least one data processing unit (12) is also adapted to provide tactile interaction information data and / or tactile interaction instruction data associated with the proxy intentional stimulation via a user interface to train the patient for tactile communication during a subsequent examination phase.

The application belongs to the technical field of medical devices, and particularly relates to a negative pressure wound dressing system based on an alternating pulse electric field. The system comprises a dressing system main controller, a directional electric field dressing and a heart rate monitoring sensor. The main controller comprises an alternating pulse generator and two pulse current circuits, which are connected to a first electrode and a second electrode on the dressing respectively. The core technology is that the system controls the alternating pulse generator to periodically switch the current direction between the two pulse current circuits according to the heart rate value measured by the heart rate monitoring sensor, so as to dynamically change the application direction of the alternating pulse electric field applied to the wound. The system can realize adaptive switching of the electric field direction according to the physiological state (such as rest / activity) of the patient, and can optionally integrate a negative pressure drainage function. The dressing system provided by the application can provide dynamic electric stimulation more in line with the individual physiological rhythm, and aims to realize intelligent and personalized wound treatment to promote tissue repair.

We offer pelvic floor muscle repair pants that provide a wider range of repair and a higher repair effect. [Solution] The pelvic floor muscle repair pants consist of a wearable pants body 1 and an electrical stimulation member 10 provided on the wearable pants body 1. The electrical stimulation member 10 is provided on the crotch area 11 of the wearable pants body 1 that corresponds to the wearer's perineum, and the electrical stimulation member 10 includes a first flexible electrode 211 and a second flexible electrode 212 that apply electrical stimulation to the pelvic floor muscles, corresponding to the front and rear sides of the wearer's pelvic floor muscles, respectively.

The present application relates to the technical field of nerve stimulation, and discloses a closed-loop vagus nerve precise blocking system and method based on physiological signal feedback, comprising a physiological signal monitoring unit for acquiring physiological signals of an individual in real time; a data acquisition and analysis module connected with the physiological signal monitoring unit, for receiving and analyzing the physiological signals, judging the physiological state of the individual, and generating a feedback signal; a stimulation device unit for outputting an electric stimulation signal based on the feedback signal, so that the vagus nerve stimulation reaches a functional block state; and a closed-loop feedback unit connected with the data acquisition and analysis module and the stimulation device unit, for dynamically adjusting the stimulation parameters according to the feedback signal and controlling the electric stimulation signal of the stimulation device in real time. Through the real-time monitoring and real-time feedback mechanism, the present application realizes functional block of the vagus nerve, and ensures the accuracy, safety and individualization of the inhibition operation.

This invention relates to an intelligent high-voltage pulsed electrical stimulation system and control method, addressing the problems of poor individual adaptability, low positioning accuracy, and weak safety in existing technologies. The system acquires body surface point clouds through a split scanning module (infrared / TOF) and achieves dynamic mapping of anatomical structures (error <1.2mm) by combining a medical image template library. It dynamically adjusts the high-voltage pulse (0-1200V) based on a BMI-impedance model and employs an improved KNN algorithm to match the discharge scheme. An innovative three-level safety protection system is implemented, using impedance mutation detection, displacement compensation, and phase cancellation (electric field attenuation >99.9%) to protect dangerous areas. Clinical validation shows a positioning accuracy of ±0.5mm, a pain relief rate of 92% in obese patients (BMI=32), and a false trigger rate of <0.01%. This invention achieves precise targeting and safe control, and is applicable to fields such as muscle rehabilitation and pain management.

The utility model discloses a kind of shorts with electric stimulation, including the lower body of underclothes body that can be worn in lower body of user, underclothes body includes and the front electric stimulation unit corresponding with leg front muscle group and the rear electric stimulation unit corresponding with leg rear muscle group, front electric stimulation unit and rear electric stimulation unit all include and the electrode piece corresponding with muscle and the electric stimulation piece corresponding with acupoint, installation piece is provided on underclothes body, installation structure and connecting structure are provided on installation piece, front connector connected with front electric stimulation unit and rear connector connected with rear electric stimulation unit are provided in connecting structure, and electric stimulation generator is detachably connected on installation structure. The shorts with electric stimulation provided by the utility model, front electric stimulation unit and rear electric stimulation unit can stimulate leg muscle group, and acupoint can be stimulated by electric stimulation piece, so as to truly reach stimulation target muscle group, improve local blood circulation, relieve the purpose of muscle fatigue.

The hybrid stimulation system is an electrical stimulation system serves to delivered an electrical stimulation impulse to the heart (human or animal heart) , using a combination of internal (intravascular) and external (body surface) electrodes, the hybrid electrical stimulation system can be used for pacing of the heart during slow heart beat (bradycardia), or shocking the heart during fast heart beat (Tachycardia) , or to terminate fast abnormal heart beat (tachy-arrhythmia) by means of override pacing (Anti-tachycardia pacing). This hybrid system can be used and introduced into the body without the need for imaging guidance such as fluoroscopy or echocardiography to insert the internal component, and does not require direct contact between the internal pacing wire and the myocardium (internal heart surface).

Systems, devices, and techniques are described that determine stimulation parameters based on one or more stimulation thresholds (e.g., a perception threshold or a detection threshold). In one example, a medical device includes a sensing circuit configured to sense one or more ECAP signals, where the sensing circuit is configured to sense each ECAP signal of the one or more ECAPs elicited by a respective control pulse of a plurality of control pulses, and the medical device includes a processing circuit configured to determine, based on the one or more ECAP signals, a stimulation level of the plurality of control pulses that achieves a stimulation threshold, determine, based on the stimulation level, a value of a stimulation parameter of a plurality of therapy pulses that at least partially define an electrical stimulation therapy, and control a stimulation generation circuit to deliver the electrical stimulation therapy in accordance with the value of the stimulation parameter.

This invention discloses a coherent electrical stimulation method for idiopathic scoliosis combined with exercise therapy, belonging to the field of electrical stimulation methods for idiopathic scoliosis. It aims to address the problem of how to dynamically adjust stimulation parameters based on individual differences to improve treatment efficacy. The method includes acquiring raw image sequences of the patient's spine through MRI scans, preprocessing the raw image sequences to construct a three-dimensional geometric model of the spine, configuring simulated electrical property parameters for the tissue structures, and then adding coherent electrical surface electrodes to the model. The electrode placement area on the three-dimensional geometric model of the spine is initially defined, and a coherent electrical stimulation signal is generated using a function generator. A comprehensive evaluation index value is calculated through finite element analysis to dynamically adjust the coherent electrical stimulation signal. Based on the coherent electrical stimulation signal parameters and its comprehensive evaluation index value, a coherent electrical stimulation scheme is determined, and ultrasound-guided technology is used to locate the electrode positions and implement coherent electrical stimulation therapy.

This invention describes techniques for a medical device that delivers electrical stimulation using a current or voltage regulator with an adjustable principal amplitude. An exemplary method includes: receiving user input indicating a desired current amplitude via a programmer for an electrical stimulator; and selecting a first fractional adjustment or a second fractional adjustment as a target adjustment for achieving the desired current amplitude. A neural modulation system includes: a first electrode; a second electrode; a stimulation generator configured to deliver a first stimulation pulse to the first electrode and a second stimulation pulse to the second electrode, wherein a first current amplitude of the first stimulation pulse is a first fraction of the principal amplitude and a second current amplitude of the second stimulation pulse is a second fraction of the principal amplitude; and a processor configured to: generate initial instructions for the stimulation generator to perform: (i) deliver the first analog pulse based on the first fraction of the principal amplitude, and (ii) deliver the second stimulation pulse based on the second fraction of the principal amplitude, receiving user input including the desired current amplitude. The processor determines, based on the desired current amplitude, the adjustment of the first current amplitude of the first stimulation pulse to be required, and determines a target adjustment based at least in part on a comparison of the desired current amplitude with the main amplitude, wherein the processor is further configured to: (A) determine an adjustment to at least the first fraction as the target adjustment, or (B) determine the following as the target adjustment: (i) an adjustment to the main amplitude, and (ii) an adjustment to at least the second fraction relative to the main amplitude adjustment, and, based at least in part on the target adjustment, generate adjustment instructions for the stimulation generator to deliver the first stimulation pulse with the desired current amplitude and the second stimulation pulse with approximately the same second current amplitude.

The present invention relates to a neuromodulation / neurostimulation system (10) for the treatment of spasticity in a mammal, said system (10) comprising: —at least one control unit (12) configured and arranged to provide stimulation data, and—at least one stimulation unit (14), operatively connected to the at least one control unit (12), said at least one stimulation unit (14) being configured and arranged to deliver epidural electrical stimulation to the spinal cord of said mammal, according to said stimulation data, wherein the at least one stimulation unit (14) includes a biocompatible implantable lead (18) configured and arranged to cover at least a portion of the spinal cord of said mammal to deliver epidural electrical stimulation to the dorsal roots innervating the spastic muscles to target neuronal circuitry responsible for spastic episodes.

The application discloses a transcranial electrical stimulation target parameter optimization method, system, device and computer readable storage medium, and belongs to the technical field of neural regulation and medical auxiliary equipment. The optimization method comprises the following steps: S1, acquiring a head medical image, and constructing a head finite element simulation model based on the medical image; S2, in the head finite element simulation model, defining a target stimulation brain area as a ventromedial prefrontal cortex area; S3, simulating transcranial electrical stimulation in the finite element simulation model, and through simulation calculation, taking the concentration of current density in the ventromedial prefrontal cortex area as an optimization target, and determining at least one transcranial electrical stimulation parameter; wherein the transcranial electrical stimulation parameter comprises an electrode position and / or an electrical stimulation waveform parameter. The optimization method changes the parameter selection from experience dependence to scientific calculation based on a biophysical model, improves the accuracy of the stimulation parameter, and thus realizes precise brain area targeted stimulation.

The present application relates to an implantable electrical stimulation system and a control method. The system comprises an electrode assembly, the electrode assembly comprising a stress release section for buffering stress transmitted from the tail end of the electrode assembly and at least one contact; the stimulation section and the stress release section are connected according to a bending angle. The system further comprises a processing unit configured to, based on the measurement of the activity in the brain region of the patient, control the pulse generator to generate stimulation pulses in a first time sequence; in a second time sequence, update the electrical stimulation scheme to a second stimulation parameter set based on the degree of coincidence between the feedback information of the activity in the brain region of the patient and the expected activity information; in a third time sequence, control the at least one contact remaining to the patient to electrically stimulate the patient to regulate the state of the patient to a normal state in the third stimulation parameter set. The present application combines the electrode structure conforming to the physiological characteristics and the adaptive pulse control.

The present application relates to the technical field of medical equipment and instruments, and discloses a real-time artifact removal method and system for deep brain electrical stimulation, which comprises the following steps: controlling stimulation signal generation and signal sampling through the same clock source to ensure that the sampling points and the phase of the stimulation artifact are aligned in each stimulation cycle; before real-time artifact removal, setting artifact template update parameters dynamically based on the latest historical data; when real-time artifact removal is performed, initializing the artifact template according to the signals collected in the early stage after the start of stimulation, and then removing artifacts from each new input sampling point through a dynamic template subtraction method, wherein the artifact template is dynamically updated based on the current sampling point data and the set artifact template update parameters; at the end of each stimulation cycle, the updated artifact template is subjected to de-meaning processing to eliminate low-frequency cumulative errors, and the present application realizes real-time removal of stimulation artifacts at an extremely low sampling rate with the smallest calculation requirement through the above method.