49 results about "Electric stimulation therapy" patented technology

The disclosure describes devices and methods for providing transdermal electrical stimulation therapy to a subject including positioning a stimulator electrode over a glabrous skin surface overlying a palm of the subject and delivering electrical stimulation via a pulse generator transdermally through the glabrous skin surface and to a target nerve or tissue within the hand to stimulate the target nerve or tissue within the hand so that pain felt by the subject is mitigated. The pulses generated during the electrical stimulation therapy may include pulses of two different magnitudes.

Devices, systems, and techniques are described for switching between electrical stimulation with a bipolar electrode combination and electrical stimulation with a unipolar electrode combination. In one example, a processing circuit is configured to receive a first set of stimulation parameters including a bipolar electrode combination defining a first electrical stimulation, estimate a neural activation volume (VNA) corresponding to the first set of stimulation parameters, determine a second set of stimulation parameters including a unipolar electrode combination defining a second electrical stimulation based on the first VNA, and determine a neural activation volume corresponding to the second set of stimulation parameters based on the second set of stimulation parameters. And controlling the implantable medical device to deliver the second electrical stimulation rather than the first electrical stimulation.

The invention discloses a multifunctional wound patch combined with electrical stimulation therapy and a preparation method and application thereof, and relates to the technical field of medical materials, and the multifunctional wound patch comprises a double-layer electrostatic spinning fiber membrane, a conductive ink layer and a conductive hydrogel layer. S-shaped concentric circle conductive electrode pairs written by conductive ink are integrated on the surface (directly in contact with the wound) of the hydrophobic fiber layer, and square conductive ports with corresponding sizes can be drawn at the tail ends of the two electrodes as required. And the surface of the conductive electrode pair is packaged by conductive hydrogel with an antibacterial function. An external electric signal can be transmitted to the electrode pair of the patch through the conductive port of the electrode pair, and then acts on a wound through the conductive hydrogel layer, so that on-demand electrical stimulation treatment on the wound is realized. According to the multifunctional wound patch combined with the electrical stimulation therapy, discharge of redundant seepage can be achieved, and it is guaranteed that the wound environment is good; the curcumin-loaded medicine has the effects of resisting bacteria, resisting oxidation and promoting healing on wounds.

A pathway planning apparatus includes a processor configured to plan a pathway for implanting an electrode lead into a brain of a patient, wherein the planned pathway satisfies the following condition: if the electrode lead is implanted into the brain of the patient according to the pathway, the electrode lead is capable of simultaneously making contact with an anterior limb of an internal capsule and a nucleus accumbens in one hemisphere of a brain of the patient. The pathway planned by the pathway planning apparatus enables the electrode lead to simultaneously deliver the electrical stimulation to the anterior limb of the internal capsule and the nucleus accumbens such that a combined electrical stimulation therapy is achieved, which has a better effect of treating diseases such as addictive behaviors, depressive disorders, and obsessive-compulsive disorders.

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.

Systems and methods for coordination of medication adjustment for neuromodulation therapy are disclosed. An exemplary system comprises a processing system. The processing system may receive medication data associated with administration of medication from a. patient in an absence of administering electrostimulation to the patient. The processing system may receive stimulation data, associated with administration of electrostimulation therapy to the patient while the patient is not being administered medication. The processing system may compare the medication data to the stimulation data to provide a comparison. The processing system may generate a medication schedule and an electrostimulation schedule based on the comparison to increase efficacy of therapy and minimize side effects.

The invention relates to the technical field of electrical stimulation treatment, in particular to an electrical stimulation medical device for acupoint electric massage recovery, which comprises a positioning cover, an electrical stimulation assembly, a lifting ring, a rotary ring and a plurality of groups of massage assemblies, the massage device comprises a rotary nut, an electrode block and an operation shaft, the lifting ring is arranged in the positioning cover, the rotary ring is rotationally installed on the lifting ring, and the multiple massage assemblies are evenly arranged along the circumferential side of the rotary ring and comprise positioning frames, sliding wedge blocks and massage columns. When the electrode blocks in the electrical stimulation assembly are driven by the rotation of the operation shaft to be separated from the skin of the patient, the multiple massage assemblies can be driven to make contact with the skin of the patient at the moment, and muscles, subjected to electrical stimulation, at acupuncture points are massaged and relaxed.

1. Name of the designed product: electric stimulation therapy instrument module. 2. Use of the designed product: used in rehabilitation equipment. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

A medical system includes techniques for adjusting the cycling of electrical stimulation therapy delivered by a medical device based on user input. The disclosure describes techniques to iteratively adjust the duration that stimulation is delivered and not delivered based on user input indicative of patient's symptoms.

A leadless neurostimulation device having a header unit including at least one primary electrode having a contact surface that defines an external surface of the leadless neurostimulation device, a housing including a secondary electrode positioned on the same side of the leadless neurostimulation device as the at least one primary electrode, and a anchor device including at least one suture point for securing the leadless neurostimulation device to patient tissue or at least one protrusion nub configured to create mechanical resistance that impedes relative movement between wherein the leadless neurostimulation device and the patient tissue when implanted, where the at least one primary electrode and the secondary electrode are configured to transmit an electrical stimulation signal therebetween to provide electrical stimulation therapy to a target nerve of a patient.

The present invention discloses a multifunctional wound patch for combined electrical stimulation therapy, as well as its preparation method and application, and relates to the field of medical material technology. The multifunctional wound patch comprises a double-layer electrospun fiber membrane, a conductive ink layer, and a conductive hydrogel layer. The surface of the hydrophobic fiber layer (the side directly contacting the wound) is integrated with a pair of serpentine concentric conductive electrodes written with conductive ink, and the ends of the two electrodes can be drawn with square conductive ports of corresponding sizes as needed. The surface of the conductive electrode pair is encapsulated with a conductive hydrogel with antibacterial function. External electrical signals can be transmitted to the electrode pair of the patch through the conductive ports of the electrode pair, and then act on the wound through the conductive hydrogel layer to achieve on-demand electrical stimulation treatment of the wound. The multifunctional wound patch for combined electrical stimulation therapy prepared by the present invention can achieve the discharge of excess exudate and ensure a good wound environment; the loaded curcumin drug has antibacterial, antioxidant, and healing effects on the wound.

Techniques are disclosed for delivering electrical stimulation therapy to a patient. In one example, a medical system delivers electrical stimulation therapy to a tissue of the patient via electrodes. The medical system determines a first change of a first sensed signal of the patient to movement by the patient and a second change of a second sensed signal of the patient to the movement by the patient. Based on the first change and the second change, the medical system selects one of the first sensed signal and the second sensed signal of the patient for controlling the electrical stimulation therapy. The medical system adjusts a level of at least one parameter of the electrical stimulation therapy based on the selected one of the first sensed signal and the second sensed signal.

A leadless neurostimulation device having a header unit including at least one primary electrode having a contact surface that defines an external surface of the leadless neurostimulation device, a housing including a secondary electrode positioned on the same side of the leadless neurostimulation device as the at least one primary electrode, and a anchor device including at least one suture point for securing the leadless neurostimulation device to patient tissue or at least one protrusion nub configured to create mechanical resistance that impedes relative movement between wherein the leadless neurostimulation device and the patient tissue when implanted, where the at least one primary electrode and the secondary electrode are configured to transmit an electrical stimulation signal therebetween to provide electrical stimulation therapy to a target nerve of a patient.

The utility model relates to an ultrasonic electrical stimulation therapeutic apparatus comprising a box body assembly, the box body assembly comprises a box body seat and a control console, and the top of the box body seat is provided with the control console; the ultrasonic generation assembly comprises an ultrasonic generation handle, a first connecting rope and a generation head, the ultrasonic generation handle is connected with the box body seat through the first connecting rope, and the generation head is arranged at the end, away from the first connecting rope, of the ultrasonic generation handle; the annular electrical stimulation assembly comprises a combined cylinder, a second connecting rope, a matching groove and a first electrode plate, and the second connecting rope is connected between the combined cylinder and the box body seat. The ultrasonic generation assembly and the annular electrical stimulation assembly form the combined treatment piece, so that the combined treatment piece can give out ultrasonic and electrical stimulation at the same time for treatment, the annular electrical stimulation assembly and the ultrasonic generation assembly can participate in treatment separately, and the circular electrical stimulation assembly and the annular electrical stimulation assembly can play a role independently.

This document describes a technique for evaluating therapy in patients with Restless Legs Syndrome (RLS). The technique can involve receiving a metric indicative of drug therapy administration and first sensor data that reflects leg movement or sleep quality during a desired relief period from RLS symptoms. A drug therapy efficacy indicator can be generated, such as based on the first sensor data and isolated from electrostimulation therapy effects. Such an indicator can assist a user or processes in evaluating the therapy's effectiveness for the patient. Such a technique can provide a systematic approach to assess the efficacy of drug therapy in managing RLS symptoms, enabling personalized treatment adjustments and improved patient outcomes.

The invention discloses an example system. The example system comprises a plurality of electrodes; a motion sensor configured to detect a motion; a therapy generation circuit electrically coupled to one or more electrodes of the plurality of electrodes; and processing circuitry configured to: control the therapy generation circuitry to deliver an electrical stimulation therapy pacing regimen to the heart over a period of time via one or more of the plurality of electrodes to increase the heart rate at least to a target heart rate during the period of time; and determining an indication of heart failure based on the motion detected during the time period.

An implantable cardiac rhythm management medical device is configured to switch from a first operating mode to a second ventricular assist device operating mode to detect arrhythmias and control the delivery of antiarrhythmic therapy during the ventricular assist device operating mode. The implantable medical device may receive a command from another medical device indicating that a ventricular assist device is to be co-implanted with the implantable medical device in a patient and switch from the first operating mode to the second operating mode in response to receiving the command. Switching from the first mode to the second mode may include adjusting at least one control parameter for controlling electrical stimulation therapy that may be delivered by the implantable cardiac rhythm management medical device.

The invention discloses a preparation method of force-electricity hydrogel microspheres for precise cell electrical stimulation, which comprises the following steps: dropwise adding methacrylic anhydride into a hyaluronic acid aqueous solution, dropwise adding NaOH, and staying overnight in an ice-water bath; centrifuging to take a supernatant, dialyzing and drying to obtain HAMA; preparing a mixed solution from HAMA and BT, and mixing the mixed solution with a photoinitiator to serve as a dispersion phase; span 80 and paraffin oil are mixed to serve as a continuous phase; preparing microspheres by using a microfluidic technology; freezing the microspheres, and performing ultraviolet radiation; soaking the microspheres in a polydopamine solution, and incubating at room temperature to obtain microspheres Piez (at) pDA; and activating the microspheres, incubating the microspheres with a buffer solution containing an E7 peptide fragment, and collecting the microspheres to obtain the electro-hydrogel microspheres Piezo (at) pDA (at) E7. The microspheres can induce directional aggregation of specific types of stem cells, and can sensitively respond to external mechanical stimulation to generate electric signals, so that accurate and minimally invasive cell electrical stimulation is realized, the tissue regeneration and repair efficiency is improved, and new possibility is provided for application of electrical stimulation therapy in the fields of tissue engineering, regenerative medicine and the like.

The present invention relates to non-excitatory electrical heart failure therapy as a therapy for Heart failure with preserved ejection fraction.

Techniques are disclosed for implementing the use of electrically evoked compound action potentials (ECAPs) to adaptively adjust parameters of high frequency electrical stimulation. In one example, a medical device delivers electrical stimulation therapy comprising a train of electrical stimulation pulses to a patient, wherein the train of electrical stimulation pulses comprises a pulse frequency greater than or equal to 500 Hertz. After delivering the train of electrical stimulation pulses, the medical device ceases delivery of the high frequency electrical stimulation therapy for a predetermined period of time. During the predetermined period of time, the medical device senses an ECAP from the patient and determines, based on the sensed ECAP, a value of a parameter at least partially defining the train of electrical stimulation pulses. Responsive to the predetermined period of time elapsing, the medical device resumes delivery of the high frequency electrical stimulation according to the determined parameter.

Devices, systems, and techniques are described for selecting an evoked compound action potential (ECAP) growth curve based on a posture of a patient. The ECAP growth curve defines a relationship between a parameter defining delivery of stimulation pulses delivered to the patient and a parameter of an ECAP signal of a nerve of a patient elicited by a stimulation pulse. In one example, a medical device detects a posture of a patient and selects an ECAP growth curve corresponding to the detected posture. The medical device selects, based on the ECAP growth curve corresponding to the detected posture and a characteristic of a detected ECAP signal, a value for a parameter for defining delivery of the stimulation pulses to the patient and controls delivery of the stimulation pulses according to the selected value for the parameter.

A leadless implantable medical device (IMD) with electrodes near tissue of a patient and a rechargeable energy storage device. Power receiving circuitry receives electrical energy a wireless power transmitting device. The power receiving circuitry includes one or more secondary coils arranged to efficiently receive the wireless power when the primary coil is at any angle relative to the IMD. The IMD includes a non-conductive, hermetically sealed housing that encloses the device circuitry, including the rechargeable energy storage device, power receiving circuitry, processing circuitry, electrical stimulation circuitry and other components to perform the functions of the IMD. The housing may include one or more conductive ferrules which may provide the hermetic seal for the housing as well as act as an electrode to sense bioelectrical signals and / or deliver electrical stimulation therapy.

A leadless nerve stimulation device includes a head unit having at least one primary electrode having a contact surface defining an outer surface on one side of the device, an outer housing forming a side of the head unit opposite the contact surface of the primary electrode, and a dielectric base receiving at least a portion of the primary electrode and at least partially surrounding the primary electrode, the dielectric base configured to electrically insulate the primary electrode from the outer housing, the dielectric base received and secured within a recessed portion of the outer housing, the housing having a secondary electrode positioned on the same side of the leadless nerve stimulation device as the primary electrode, the primary electrode and the secondary electrode configured to transmit an electrical stimulation signal between the primary electrode and the secondary electrode to provide electrical stimulation therapy to a tibial nerve of a patient.

An implantable medical device that includes a memory, stimulation circuitry configured to deliver electrical stimulation to a patient, and processing circuitry operably coupled to the memory. The processing circuitry is configured to: control the stimulation circuitry to output electrical stimulation therapy to a patient via a first electrode combination and control the stimulation circuitry to output a notification stimulation via a second electrode combination and interleaved with the electrical stimulation therapy. The notification stimulation may include an intensity above a perception level of the patient, and the second electrode combination may include an electrode disposed at an implant site of the implantable medical device.

Systems and methods for coordination of medication adjustment for neuromodulation therapy are disclosed. An exemplary system comprises a processing system. The processing system may receive medication data associated with administration of medication from a patient in an absence of administering electrostimulation to the patient. The processing system may receive stimulation data associated with administration of electrostimulation therapy to the patient while the patient is not being administered medication. The processing system may compare the medication data to the stimulation data to provide a comparison. The processing system may generate a medication schedule and an electrostimulation schedule based on the comparison to increase efficacy of therapy and minimize side effects.

A method of providing electrical stimulation therapy to a patient according to one embodiment includes generating an un-tuned electrical noise signal by at least one noise generator, partitioning the un-tuned electrical noise signal into a plurality of discrete frequency bands having corresponding bandwidths, delivering the un-tuned electrical noise signal through one or more electrodes to the patient to target the patient's central or peripheral nervous system, adjusting, for each of a plurality of selected frequency bands, an amplitude of the voltage or current of the un-tuned electrical noise signal within a corresponding frequency band to generate an adjusted electrical stimulation signal based on feedback received from the patient, wherein the adjusted electrical stimulation signal includes a plurality of local maxima and a plurality of local minima, and delivering the adjusted electrical stimulation signal through the electrodes to provide electrical stimulation therapy to the patient.

The invention relates to a vagus nerve stimulation device and a preparation method thereof. The vagus nerve stimulation device is suitable for being arranged at the neck of a human body to stimulate the vagus nerve of the neck and comprises an electrical stimulation unit, a thermal therapy unit and a hard base shell. The electrical stimulation unit comprises a pulse generation module and an electrode electrically connected with the pulse generation module; the thermal therapy unit is used for generating heat to act on the neck of a human body; the hard base shell is used for installing the electrode and the thermal therapy unit. Wherein the hard base shell bears the electrode and the thermal therapy unit and is arranged on the neck of a human body, so that the electrode is in contact with the neck skin to output an electrical stimulation signal to stimulate the vagus nerve of the neck, and the thermal therapy unit heats the electrode or the neck skin. According to the vagus nerve stimulation device provided by the invention, the treatment effect and the use experience are improved through the cooperation of the thermal therapy and the electrical stimulation therapy.