33 results about "Low frequency stimulation" patented technology

Disclosed is a low frequency stimulator provided in a mobile terminal, which comprises a high-voltage pulse generator for adjusting a voltage of the mobile terminal to a level suitable for low frequency stimulation; an output controller for outputting a voltage output from the high-voltage pulse generator in a unipolar or bipolar format and controlling the cycle of the output voltage; an electrode section for delivering a stimulation pulse according to the voltage output from the output controller; and a control section for controlling a first switching signal applied to the high-voltage pulse generator to adjust the level of the voltage and controlling a second switching signal applied to the output controller to output a unipolar or bipolar voltage of the controlled cycle.

The present invention relates to a low-frequency stimulator using music, and a weight-loss assisting system having a low-frequency stimulator. The low-frequency stimulator according to an embodiment of the present invention includes: a beat extracting unit extracting a beat through a sound pressure magnitude comparison between one or more acoustic signals having different frequencies generated when music is played on a music player; a pulse generator generating a pulse having the same magnitude as that of the extracted beat; and a pair of electrode pads attached to a user's body and applying an electrical stimulus having an intensity corresponding to the magnitude of the generated pulse to the user's body.

Disclosed herein is an animal training device and method of controlling the same. The animal training device includes a transmitter and at least one receiver. The transmitter transmits RF signals according to manipulation of function switches, and has emergency stimulation mode in which an RF control signal is transmitted by adding a predetermined level to a low-frequency stimulation level set for each individual animal, simultaneous stimulation mode in which an RF control signal is transmitted by adding a predetermined level to low-frequency stimulation levels set for animals, and constant stimulation alternation mode in which an RF control signal is transmitted by automatically varying a period of a low-frequency stimulation. The receiver sets low-frequency stimulation for a corresponding one of the plurality of animals in response to the RF signals, and selectively performs operations corresponding to the emergency stimulation mode, the simultaneous stimulation mode, and the constant stimulation alternation mode.

A device for stimulating a gum using a low frequency is disposed. The gum stimulation is performed in such a manner that a conductive silicon electrode pad formed in a mouthpiece shape closely contacting with a gum is connected, and low frequency stimulation is provided to a gum for thereby enhancing a blood circulation at a gum and releasing a certain pain at a gum, so that a gum can be health. The device for stimulating gums using a low frequency comprises a connection cable for transferring a low frequency current generated by the low frequency generator to the electrode pad, and a connection terminal formed at one side of the electrode pad and connected with the connection cable.

An exemplary system includes a processing facility and a control facility. The processing facility is configured to 1) divide an audio signal presented to a cochlear implant patient into a plurality of analysis channels each containing a frequency domain signal, and 2) maintain data representative of a crossover frequency. The control facility is configured to 1) direct a cochlear implant to apply electrical stimulation representative of each frequency domain signal included in a plurality of low frequency analysis channels located below the crossover frequency in accordance with a low frequency stimulation strategy that includes a degree of focusing, and 2) direct the cochlear implant to apply electrical stimulation representative of each frequency domain signal included in a plurality of high frequency analysis channels located above the crossover frequency in accordance with a high frequency stimulation strategy that includes a lesser degree of focusing than the low frequency stimulation strategy.

The invention relates to a myoelectric signal collector and a rehabilitation system. The collector comprises a main control chip which is used for controlling the transmission of a signal on the myoelectric signal collector; a control circuit which is electrically connected with the output end of the main control chip and is used for controlling working states of a myoelectric collection circuit and a neuromuscular electrical stimulation circuit according to a control signal sent by the main control chip; the myoelectric collection circuit which is used for collecting a muscle group signal ofa target muscle group through an electrode slice electrically connected with an electrostatic protection circuit; and the neuromuscular electrical stimulation circuit which is used for performing low-frequency stimulation on the target muscle group through the electrode slice electrically connected with the electrostatic protection circuit. According to the invention, the myoelectric signal collection precision and the neuromuscular electrical stimulation precision of the muscle group can be improved, measurement errors and time delay are reduced and shortened, and actual application requirements are met.

The invention provides a multi-site closed-loop stimulation feedback system and a multi-site closed-loop stimulation feedback method for gait disorder of Parkinson's disease. The system comprises a signal acquisition module used for acquiring electroencephalogram physiological signals of primary motor cortex and subthalamic nucleus and generating PAC signals; the signal processing module is used for generating a gait disorder probability curve based on waveform indexes of the PAC signal and the electroencephalogram physiological signal, and judging whether a probability value in the gait disorder probability curve in a certain time period exceeds a PAC threshold value or not; the stimulation control module is used for generating a control command for outputting high-frequency stimulation or low-frequency stimulation and controlling the signal acquisition module to continuously acquire stimulated electroencephalogram physiological signals at the primary motor cortex for feedback; the stimulation generation module is used for emitting a high-frequency or low-frequency stimulation signal to an electrode arranged at the subthalamic nucleus based on the control command; wherein the signal processing module and the stimulation control module adjust parameters of high-frequency stimulation or low-frequency stimulation according to the stimulated electroencephalogram physiological signals.

A slipper having a low frequency generation unit comprised a low frequency generator which is installed at a slipper back part of a slipper for thereby generating a certain low frequency for stimulating human body in accordance with a control signal externally inputted from a receiver, and a conductive low frequency seat which is installed at a slipper bottom part of the slipper for stimulating with low frequencies a foot bottom surface of a slipper user based on a low frequency signal transferred through a power cable electrically connected with the low frequency generator. With the above constructions, it is possible to enhance and activate the functions of intestines based on the stimulation of an acupuncture point distributed on the sole of a foot by pressurizing a corresponding nervous system of a foot bottom surface of a slipper user using a low frequency stimulation from the low frequency generator installed at a slipper back part or a slipper bottom part.

Disclosed herein is an apparatus for preventing an animal and method of controlling the apparatus. The apparatus includes a sound sensor for sensing a bark of an animal and converting the bark into an electrical signal. An amplifier amplifies the electrical signal. A vibration sensor senses a vibration occurring on a neck of the animal. A microprocessor performs control such that, when signals are input from the sound sensor and the vibration sensor, voice, ultrasonic or low-frequency stimulation means is output, and has an auto-variable output function and a time band-based output function. A first control switch allows the user to optionally set a type and a stimulation intensity of the stimulation means. A second control switch allows the user to optionally set a time for which the stimulation means is operated. An output unit receives control signals for the stimulation means and outputs corresponding stimulations.

The invention discloses a neurological low-frequency magnetic stimulation device, and relates to the technical field of medical instruments, the neurological low-frequency magnetic stimulation device comprises a fixing plate, four shells are welded on the front shell wall of the fixing plate at equal intervals, a motor is fixedly connected to the back shell wall of the fixing plate, a rotating shaft is installed at the output end of the motor, a rotating rod is arranged on the front side of the rotating shaft, and the rotating rod is fixedly connected with the fixing plate. Bevel gears are fixed to the rotating shaft and the rotating rod respectively, the two bevel gears are connected in a meshed mode, four driving gears are fixed to the rotating rod, a driven gear is arranged below each driving gear, the driving gear and the driven gear are in meshed transmission, and a transmission shaft is connected to each driven gear through a bolt. According to the device, the burden of medical staff can be relieved, the position of the low-frequency stimulation disc is adjusted according to the requirements of different patients, the application range of the product is widened, traditional Chinese medicine fumigation is carried out on the patients while massage treatment is carried out on the patients, and the treatment effect is improved.

The invention provides a modulation-type muscle electric pulse stimulation method and device. The modulation-type muscle electric pulse stimulation method comprises the steps that an electric stimulation controller receives a muscle electric stimulation control instruction; the muscle electric stimulation control instruction is analyzed to obtain an intermediate-frequency carrier control instruction, a low-frequency fundamental wave control instruction and an intensity modulation envelope control instruction; intermediate-frequency carrier electric signals are generated according to the intermediate-frequency carrier control instruction; low-frequency fundamental wave electric signals are generated according to the low-frequency fundamental wave control instruction; intensity modulation envelope signals are generated according to the intensity modulation envelope control instruction; the intermediate-frequency carrier electric signals and low-frequency modulation electric signals are synthesized to obtain modulation wave signals with low frequency modulated intermediate frequency; according to the intensity modulation envelope signals, the amplitude of low-frequency modulation wavesignals is modulated to form muscle electric stimulation signals; and the muscle electric stimulation signals are conducted to the muscle of the body through electrodes. The contraction effect the same as low-frequency stimulation is achieved, and the safer and more comfortable muscle electric stimulation is achieved.

A portable nerve and muscle low-frequency electrical stimulator comprises a shell, wherein a positive electrode protrusion and a negative electrode protrusion are arranged on the bottom face of the shell, a control circuit board is arranged in the shell, the control circuit board is connected with a power source through a circuit, the bottom of the control circuit board is provided with a positive electrode contact capable of being connected with the positive electrode protrusion and a negative electrode contact capable of being connected with the negative electrode protrusion, a vibrator is further arranged in the shell and connected with the control circuit board through a circuit, the top of the shell is provided with a power switch and a control button for changing the current power, and the power switch and the control button are respectively connected with the control circuit board. The electrical stimulator has the advantages that by applying low-frequency current to the skin, corresponding skin acupuncture points can be stimulated, the effect of massaging the acupuncture points is achieved, the electrical stimulator is attached to a needle patch, low-frequency stimulation of the attached position of the needle patch is achieved through low-frequency vibration of the vibrator, and the good massage effect is achieved.

The invention discloses a hypertension treatment device based on medium and low frequency meridian point stimulation, which comprises a single chip microcomputer and a depth camera, and is characterized in that the single chip microcomputer is in serial port communication connection with the depth camera, and the single chip microcomputer is provided with a data processing module, a storage module and a control module; the data processing module analyzes image information collected by the depth camera and identifies acupuncture points, acupuncture point data is transmitted to the execution module, the execution module is electrically connected with a mechanical module, and the mechanical module is shifted to the acupuncture points for pulse treatment according to an instruction sent by the execution module. Displacement data executed by the mechanical module is fed back to the storage module for storage through the set information feedback module; low-frequency modulation current or interference current is sent to neck acupuncture points to act on neck sympathetic ganglions by utilizing the characteristic that carrier waves are medium-frequency current and have strong penetrating power, and the aim of treating primary hypertension can be achieved by combining warm somatosensory, inhibiting sympathetic nerves, promoting local blood circulation and improving haemodynamics related parameters of patients.

The invention provides a frostbite treatment device, comprising a voltage transformer module, a rectification filter module, a low-frequency pulse generation module and an intensity control module; the external input AC220V mains power is reduced to 40V AC power by the transformer module, and the 40V AC power is passed through After the rectification and filtering module is processed, a 100Hz pulsating voltage is generated at the output end of the low-frequency pulse generating module, the low-frequency pulse generating module generates a 1Hz pulse modulation signal, and the 100Hz pulsating voltage is finally output after being modulated by the 1Hz pulse modulation signal The intermittent low-frequency pulsating current of 1-100 Hz drives the electro-acupuncture probe, and the intensity control module adjusts the magnitude of the output current. The invention stimulates the blood circulation of the affected part by generating a low-frequency low-intensity pulse current of 1-100 Hz, plays the role of promoting blood circulation and removing blood stasis, can effectively relieve itching and pain, and can effectively prevent the occurrence of frostbite.

The present invention relates to a low-frequency muscle exercise device for strengthening a hip muscle and a sphincter. The present invention includes: a belt member having the shape of a belt extending in a length direction to be worn with hips or the abdomen being covered and having an open portion extending in the length direction in a longitudinal central portion, one side of the open portionin a width direction forming a first split band, the other side of the open portion in the width direction forming a second split band, and open portion opening and closing means for opening and closing the open portion being provided at the first and second split bands; a plurality of first low-frequency stimulation pads placed apart from each other in the length direction on the first split bandof the belt member; a plurality of second low-frequency stimulation pads placed apart from each other in the length direction on the second split band of the belt member; and a low-frequency currentgenerator electrically connected to the first and second low-frequency stimulation pads and supplying low-frequency currents.