60 results about "Spinal nerve" patented technology

The invention relates to the technical field of exercise rehabilitation, and discloses a percutaneous spinal nerve electrical stimulation system and method, and the system comprises a power module which is used for converting an external alternating current into a stabilized power supply; the MCU module controls the pulse signal generation module; the pulse signal generation module is used for generating an electrical stimulation waveform; the DAC module receives the digital signal; the modulation module is used for receiving analog signals; the amplification module is used for receiving modulation waveforms; the multi-channel gating module is used for distributing stimulation current to a plurality of channels; the current detection module monitors the magnitude of current output by each channel in real time; and the ADC module performs digital conversion on the current analog signal output by the electrical stimulator. According to the invention, multi-channel and real-time modulation electrical stimulation signals can be output through modulation of two paths of stimulation signals, spinal cord sensory nerves are activated through the non-invasive epidermal electrode, amputation hand feeling is induced, the defect that electromyographic signals are interfered by the tail end of a stump in the prior art is improved, and the accuracy of an electromyographic signal decoding algorithm is also improved.

A method to treat sacroiliac joint pain includes inserting at least one ablation electrode into a patient to ablate at least one spinal nerve extending from the spinal cord in the vertebral range of the lumbar vertebrae L3, L4, or L5 or any of the sacral vertebrae; and applying pulses to the at least one ablation electrode to ablate the at least one nerve, wherein each of the pulses has a duration of no more than 500 microseconds and at least some of the pulses have a voltage of at least 1 kV or generate an electric field of at least 3 kV / cm.

The invention relates to the technical field of nerve stimulation, in particular to a noninvasive spinal nerve stimulator for upper limb movement function recovery, which comprises a neck marrow pulse control unit, an electrode connection unit, a movement monitoring unit, a wireless communication unit, a voice unit, a normal form decision-making unit, an electrode array unit and an artificial intelligence unit. The cervical medullary segment non-invasive nerve electrical stimulation technology acts on a specific cervical medullary segment, the reconstruction of a spinal cord neural network is induced, synaptic connection is enhanced, the upper limb movement dysfunction of paralyzed people is solved, and the recovery of the upper limb movement function is realized.

A discectomy method entails removing at least a portion of a spinal lamina to form an access path in a patient. A surgical instrument is inserted along the path and a distal end of the instrument is placed in operative contact with herniated or bulging disc material of a spinal disc. The instrument is operated to remove the herniated or bulging disc material, to thereby space a remaining portion of the spinal disc from spinal nerves. A tip of an ultrasonic surgical probe is then placed into contact with an outer surface of the remaining portion of the spinal disc, and an ultrasonic mechanical standing wave generated in the probe while maintaining the operative tip in contact with the outer surface to harden the wall surface and thereby reduce chances of disc herniation at the outer surface.

The invention relates to the technical field of nerve stimulation, in particular to a miniature implantable spinal nerve stimulator which comprises an electrode, a stimulator body and a control system. The electrode, the stimulator body and the control system operate in a matched mode, the electrode and the stimulator body are integrally connected and arranged without an extension wire, the stimulator body sinks to the lower portion of a spine spinous process, and an upper end wire is flush with other spinous processes of the spine; the control system comprises a main controller unit, a radio frequency unit, a channel decoding unit, a transmitter unit, a power divider / synthesizer unit, a main power supply unit, an energy storage unit, an electrical stimulation unit, an array electrode unit and a posture recognition unit. The miniature spinal cord nerve stimulator is implanted in the early stage of spinal cord injury by combining spinal cord nerve decompression operation and spinal fixation operation, the size of the stimulator is small, the electrode lead is short, no implant protrusion phenomenon exists after operation, the golden window period after spinal cord injury is fully utilized, favorable conditions are created for spinal cord injury rehabilitation, and the rehabilitation effect is improved.

It has been discovered that pain felt in a given region of the body can be treated, not by motor point stimulation of muscle in the local region where pain is felt, but by stimulating muscle spaced from a “nerve of passage” in a region that is superior (i.e., cranial or upstream toward the spinal column) to the region where pain is felt. Spinal nerves such as the intercostal nerves or nerves passing through a nerve plexus, which comprise trunks that divide by divisions and / or cords into branches, comprise “nerves of passage.”

The invention relates to an implantable selective spinal nerve root stimulation system, comprising a stimulator for generating an electrical stimulation signal having a frequency, pulse width and intensity, at least one stimulation electrode with stimulation contacts at the distal end, said stimulation electrodes extending towards the head end along the course of the horsetail nerve and penetrating out of the dural sac region at a midline, the device penetrates out of the skin from inside to outside through a spinous process gap or is directly connected with a stimulator along a subcutaneous tunnel. The stimulation contact of the stimulation electrode is elastically fixed in the free dorsal root nerve area in a surrounding mode, and the resistance from the stimulation contact to cerebrospinal fluid is larger than the resistance between the stimulation contact and the ectofascia which is elastically fixed to the dorsal root nerve. According to the invention, the problem that the function recovery of paraplegia lower limbs after high spinal cord injury cannot be effectively promoted due to the defects of poor reliability, great influence on the body position of a patient, high power consumption and the like caused by the existence of cerebrospinal fluids with different thicknesses between the existing stimulation electrode and the spinal cord and the dorsal nerve root can be solved.

The present invention provides a method to reduce pain using electrical stimulation of peripheral nerves in or near the spine. This approach involves an electrical stimulation device including at least one electrode adapted for insertion within a human body and at least one pulse generator operatively coupled with the at least one electrode, wherein the pulse generator delivers electrical stimulation activating at least one peripheral nerve in or near the spine, such as the dorsal rami and its distal branches (e.g., the medial branch nerves, cluneal nerves), the ventral rami and its distal branches (e.g., sacral nerves, gluteal nerves), and those accessed via the paravertebral space (e.g., peripheral spinal nerves), to produce pain relief.

The invention discloses an instrument implantation safety analysis method under regulation and control of a brain-computer interface and spinal nerve, and relates to the technical field of crossing of biomedical engineering and neural engineering. According to the model, a BCI decoding instruction and an actually-collected multi-modal physiological signal are used as input, parameter identification continuous optimization is carried out, the difference between actual spinal cord response and expected response generated by the model is calculated, a predicted value and an actual value of a coupling dynamics model are compared in real time, a risk value is dynamically calculated, once a threshold value is exceeded, risk leading factors are locked immediately, and the risk leading factors are locked immediately. According to the method, a BCI-SCN system is constructed, a high-specificity self-adaptive adjustment mechanism is triggered, it is ensured that the BCI-SCN system always works in a safe interval in a complex and changeable human nerve environment, macroscopically observed abnormal phenomena are accurately traced to specific reasons of a microscopic level, and a decision basis is provided for subsequent accurate regulation and control.

The invention relates to the technical field of medical education equipment, and discloses a spinal cord injury teaching model with sensory-motion plane visualization and voice guidance functions. Comprising a human body model body, a plurality of red light emitting diodes, a plurality of blue light emitting diodes, a plurality of micro steering engines, a key input module, a main controller, a voice synthesis module and a rechargeable power supply, when a spinal nerve segment, a body side and a muscle strength level are selected through the key input module, the main controller controls all red light-emitting diodes or blue light-emitting diodes, located on the spinal nerve segment and above the spinal nerve segment, in the selected body side to be turned on. And the control module is used for controlling the voice synthesis module to play voice contents corresponding to the selected spinal nerve segment, the selected body side and the selected muscle strength level, and driving the micro steering engine corresponding to the key movement muscle in the selected body side to rotate to a preset angle corresponding to the selected muscle strength level. The control module is used for controlling the voice synthesis module to play the voice contents corresponding to the selected spinal nerve segment, the body side and the muscle strength level.

The utility model discloses an action guiding device for spinal nerve function rehabilitation training, and belongs to the technical field of rehabilitation equipment. Comprising a supporting plate, a fixing plate, supporting rods, sliding shafts, an outer rotating sleeve and a handle, the fixing plate is vertically arranged, the supporting plate is horizontally fixed to the vertical side face of the fixing plate, the multiple supporting rods are arranged and fixed to the same horizontal plane of the supporting plate, and the sliding shafts are arranged on the side, away from the supporting rods, of the supporting plate and located on the outer side of the supporting plate. In the sliding process of the sliding shaft, the friction layer applies friction resistance to the movement of the sliding shaft, so that the force required by a user to push or pull the sliding shaft to move is increased, the muscles of the arms and the shoulders of the user are exercised, small-amplitude movement can be generated on the spine part in the exercising process, and the user can do exercise on the spine part. In addition, the proliferated muscle group can have a protection effect on the spine part, and normal recovery of the spinal nerve function can be improved.

The invention provides a method for judging the connection state of a nerve monitor and human nerves. According to the method, impedance detection is started through a system, a driving source signal is output, a system connection signal is collected for preprocessing, and interference factors are removed. Thirdly, FFT Fourier transform is carried out on the preprocessed signals, amplitudes are recorded, and amplitudes corresponding to different impedances are calculated through a standard resistor; and establishing a corresponding relation model of the impedance values and the calculated amplitudes by using a least square method, and calculating the change rate of the continuous impedance values. And finally, according to the impedance value, the change rate and a preset connection test classification state, utilizing an expert system to judge the connection states of the nerve monitor and the human nerves, including over-low, OK, over-high, disconnection and the like. According to the method, the accuracy of nerve detection and the safety and reliability of instrument use are improved, and the method is suitable for monitoring signals of cranial nerves, spinal nerves or peripheral nerves.

The invention relates to the technical field of medical monitoring, and particularly discloses an AI anesthesia depth monitoring system combined with nerve stimulation, which is characterized in that standardized electrical stimulation is applied to a motor nerve pathway of a patient in a general anesthesia state, and spinal nerve electrical signals and limb movement signals induced by the standardized electrical stimulation are synchronously acquired and analyzed; performing time-frequency transformation on the neural signal to extract a dominant oscillation mode of the neural signal, and generating a neural rhythm disorder degree characteristic value by quantizing frequency jitter and amplitude attenuation; analyzing the time sequence collaboration of the motion signal and the stimulation and the motion form, and generating a motion response deviation characteristic value; fusing the two features into a two-dimensional feature vector, inputting the two-dimensional feature vector into a pre-trained anesthesia depth classification model, and directly outputting an objective anesthesia depth level; and finally, starting grading early warning according to the grade change trend and generating a monitoring report.

The invention discloses a spinal nerve injury preventing aspirator for a spinal operation, and belongs to the field of medical instruments. Comprising a collecting bottle, the upper end of the collecting bottle is in threaded connection with a sealing cover, the top end of the sealing cover is fixedly connected with a connector, the inner wall of the connector is fixedly connected with a connecting pipe, the upper end of the sealing cover is fixedly connected with a liquid inlet pipe, and a semicircular block is pulled to drive a connecting rope to slide in a hollow rod and a second hollow grip. The connecting rope drives the fixing ring to rotate, the angle of the suction head is adjusted while the fixing ring rotates, the suction head makes contact with liquid in the narrow area of the inner wall of the spinal cord, then the liquid in the narrow area of the inner wall of the spinal cord is sucked away through negative pressure equipment, and the liquid enters the hollow rod through the suction head. Then the blood is sucked into the collecting bottle through the second hollow grip, the first hollow grip and the hose to be collected, and the suction head is beneficial to reducing friction and damage of the device to spinal nerves, so that the definition of the visual field of a worker in the operation process is improved.

The invention discloses an exoskeleton robot or active power artificial limb joint angle prediction device and method. According to the method, electromyographic signals carrying neural information and inertial motion unit data carrying kinematics information are fused, information transmitted by spinal nerve and speed information in multi-modal data are utilized, and feature fusion and decoding are carried out; finally, the output is used for controlling intelligent rehabilitation equipment such as a lower limb exoskeleton robot and an active artificial limb. According to the method, the speed adaptability of the existing lower limb motion angle prediction based on the human body surface electromyogram signals is remarkably improved, and the engineering practical performance of the method is remarkably improved.

The invention discloses an artificial spinal canal for preventing spinal nerve compression, which comprises a positioning assembly and a combined spinal canal component, the opposite side of the positioning assembly is provided with a fixedly mounted reinforcing assembly, and the outer side of the reinforcing assembly is provided with a damping fixing part sleeved by a bolt; and the inner end side of the damping fixing part is provided with a combined spinal canal component which is sutured and sleeved. According to the device, the outer ring strip is annularly connected to the outer side of the taper pipe in a sleeving mode according to the adaptability requirement of a patient, the combined spinal canal component achieves the cooperative operation after annular sleeving, and due to the fact that the outer ring strip and the porous layer are of a porous structure, and the cavity layer is of a hollow pipe layer structure, the structure is simple, and the operation is convenient. In this way, the adaptive deformation effect can be achieved during compression, the comfort can be effectively improved during follow-up recovery of a patient, compression of the product is prevented, the product can be rapidly absorbed and metabolized during follow-up recovery due to the porous structure, and reconstruction of the patient is guaranteed.

The utility model discloses a spinal nerve postoperative prone position pillow which comprises a bottom plate, a supporting block is fixedly connected to the top of the bottom plate, a hip placing platform is formed at the top of the supporting block, and a plurality of first clamping grooves are formed in the two sides of the top of the bottom plate; and the number of the placing plates is two, the two placing plates are arranged on the two sides of the supporting block respectively, and the placing plates are hinged to the supporting block. The hip of a patient is placed through the supporting block, the back and the legs of the patient are placed on the two placement plates with the adjustable inclination angles respectively, when the patient lies on the device prostrate, the hip of the patient is raised, the head of the patient is lower than the hip, cerebrospinal fluid backflow of the patient is increased, the tension of an operation wound is relieved, and the patient is more comfortable. In the recovery process of the patient, the height difference between the head and the hip of the patient can be continuously adjusted by adjusting the position of the supporting plate according to the condition of the patient, and postoperative nursing and recovery of the spinal nerve are facilitated.

The invention provides a spinal nerve distribution point teaching model control circuit and teaching model equipment, and the control circuit comprises at least one touch unit which is used for sensing a touch action to generate a touch signal; the control unit is used for responding to the touch signal to generate a corresponding first signal, and the first signal is at least used for recording touch position information; the signal conversion unit is used for converting the first signal into a second signal and sending the second signal to external equipment, or is used for receiving a third signal sent by the external equipment, converting the third signal into a fourth signal and then transmitting the fourth signal to the control unit; the touch unit and the signal conversion unit are both in communication connection with the control unit; by adopting the spinal nerve distribution point teaching model equipment provided by the invention, the communication function between the control unit and the external equipment is realized. The learning progress of a user can be recorded, related functions of the teaching model can be controlled through external equipment, and the defects that an existing teaching model is single in control means and cannot record the learning progress are effectively overcome.

The application provides a small animal sciatic nerve magnetic resonance coil and an imaging method, and the method comprises the following steps: filling a high-concentration sugar syrup solution at the bottom of the magnetic resonance coil and performing constant temperature control; placing a small animal in a prone position in the high-concentration sugar syrup solution and discharging air in the gap between the lower limbs and below the abdomen of the small animal; after performing magnetic resonance positioning scanning to determine the main sequence scanning range, starting the main sequence scanning, suppressing the flow tissue signal through a pre-pulse combination, exciting the tissue by using a radio frequency pulse with preset parameters, acquiring echo signals by combining a fast spin echo technology and filling K space, and obtaining scanning original data; performing preprocessing on the scanning original data and accurate segmentation of the sciatic nerve and spinal nerve to obtain a segmentation result; and completing three-dimensional model reconstruction, optimization and multi-modal fusion visualization based on the segmentation result to obtain an image scanning result. The application is suitable for small animals, is accurate in imaging, can effectively suppress various kinds of artifacts, and can be widely applied to sciatic nerve imaging scenarios of small animals.

The invention discloses a semiconductor laser therapeutic instrument for spinal nerve injury, which uses a continuous semiconductor laser to realize conversion of electricity and light so as to complete treatment of spinal nerve injury diseases. The equipment is a laser treatment product integrating a laser technology, an electronic technology, computer science, medical science and the like. The bottom-layer technical mechanism related to the therapeutic instrument is that a microprocessor is used for controlling a laser power supply, adjustable constant current is provided for a semiconductor laser module, a laser diode in the semiconductor laser module converts electric energy into light energy and continuously outputs laser with constant wavelength, and the therapeutic instrument is controlled by a specific device structure. And the injured nerves and tissues are irradiated, so that the effect of promoting spinal nerve injury repair is achieved.

The utility model provides a spinal nerve distribution point teaching model control circuit, comprising at least one touch unit used for sensing a touch action to generate a touch signal; the control unit is used for responding to the touch signal to generate a corresponding first signal, and the first signal is at least used for recording touch position information; the signal conversion unit is used for converting the first signal into a second signal and sending the second signal to external equipment, or is used for receiving a third signal sent by the external equipment, converting the third signal into a fourth signal and then transmitting the fourth signal to the control unit; the touch unit and the signal conversion unit are both in communication connection with the control unit; by adopting the spinal nerve distribution point teaching model control circuit of the utility model, the communication function between the control unit and the external equipment is realized. The learning progress of a user can be recorded, related functions of the teaching model can be controlled through external equipment, and the defects that an existing teaching model is single in control means and cannot record the learning progress are effectively overcome.

Systems and methods for treatment of neuropathy are provided. In some examples, a method of prophylactic treatment for a disease state in a patient treatment is provided. The treatment can include (a) positioning an electromagnetic field generator adjacent to a cranial nerve; (b) directing an electromagnetic field from the electromagnetic field generator toward the cranial nerve; and repeating the treatment of steps (a) and (b) no less than one treatment per day according to a treatment plan. In some examples, a method of prophylactic treatment for a disease state in a patient treatment is provided. The treatment can include (a) positioning an electromagnetic field generator adjacent to a spinal nerve; (b) directing an electromagnetic field from the electromagnetic field generator toward the spinal nerve; and repeating the treatment of steps (a) and (b) no less than one treatment per day according to a treatment plan.

A medical guide instrument for a medical electrode in order to position the latter against spinal nerves in a spinal canal. The guide instrument has a distal feed tube for receiving the electrode, wherein when the guide instrument is in an insertion position a first portion of the feed tube has a curvature, while when the guide instrument is in a feed position the first portion of the feed tube is substantially linear. An instrument set having the guide instrument and an electrode, a medical device having the guide instrument and an endoscope, and a method for positioning the medical electrode against spinal nerves are also provided.

This disclosure relates to a flexible electrode for the spinal cord and a method for manufacturing the same. A flexible electrode for the spinal cord is provided, comprising: an attachment portion configured to be able to be placed on the white matter lateral to the epidural space or intradural space, and configured to acquire or apply electrical signals to the surface of the spinal cord; wherein the attachment portion of the flexible electrode includes a first insulating layer and a second insulating layer, and a conductive layer located between the first insulating layer and the second insulating layer; wherein the attachment portion of the flexible electrode further includes one or more electrode sites, each electrode site being electrically coupled to one of the conductive wires in the conductive layer, and contacting the spinal cord after implantation of the flexible electrode to acquire electrical signals from spinal nerves and transmit the acquired electrical signals through the conductive wires, or to apply electrical signals received through the conductive wires to spinal nerves.

The application discloses an implantable controllable pressure microballoon small animal spinal nerve compression device, which comprises a liquid-filled balloon, a pressing plate, an extrusion screw rod, a nut sleeve and a balloon catheter arranged in a subcutaneous blocking fabric; the pressing plate is arranged above the liquid-filled balloon; the extrusion screw rod penetrates through the skin blocking fabric from outside the skin and is arranged above the pressing plate; the nut sleeve is arranged in the skin blocking fabric and the extrusion screw rod is sleeved in the nut sleeve; the balloon catheter is communicated with the liquid-filled balloon through a liquid guide pipe; and a pressure gauge is further arranged at a liquid inlet of the balloon catheter. The device can be used for simulating spinal nerve compression injury in animal experiments, is convenient to operate, controllable in force, can detect pressure and improves the accuracy of experiments.

The utility model provides a kind of three-dimensional human body model of spinal nerve innervation body surface area, specifically related to human anatomy and neurology research technical field.Aiming at two-dimensional display mode and light interference and other problems, the utility model provides a kind of three-dimensional human body model of spinal nerve innervation body surface area, including three-dimensional human body model ontology, three-dimensional human body model ontology is divided into multiple spinal nerve innervation areas, adjacent spinal nerve innervation area is separated by light-tight partition, and each spinal nerve innervation area is provided with luminous body at its sensory key point.The device enables learners to more intuitively understand and remember the distribution and function of spinal nerves.

The invention discloses an adjustable spinal nerve retractor which comprises a pulling tube, one end of the pulling tube is integrally connected with a retracting part, the middle of the pulling tube is sleeved with a sheathing canal in a penetrating mode, a driving box is fixedly installed in the middle of the top of the pulling tube, and the peripheral face of the sheathing canal is integrally connected with a sleeve located in the pulling tube. A tooth groove is formed in the top of the sleeve, a main rotating shaft is rotationally connected to the interior of the driving box, a transmission shaft is rotationally connected to one side of the driving box in a penetrating mode, an adjusting knob located outside the driving box is arranged at one end of the transmission shaft, and the other end of the transmission shaft is in transmission connection with the main rotating shaft. According to the adjustable spinal nerve retractor, the adjusting knob is rotated to enable the transmission shaft to rotate, then the rotating shaft is driven to rotate through the driving gear and the driven gear, the adjusting gear is made to rotate, then the tooth groove meshed with the adjusting gear drives the sleeve and the sheathing canal to slide, and the extension length of the sheathing canal at the tail end of the shifting tube is adjusted.

The invention discloses a columnar dodging laser optical fiber, the optical fiber sequentially comprises a fiber core, a cladding layer and a sleeve layer from inside to outside, the fiber core is sleeved in the cladding layer, the outer surface of the optical fiber is coated with the sleeve layer, and N sections of scattering monomers or N scattering refraction points are sequentially arranged at the tail end of the fiber core along the length direction of the fiber core according to the design requirement of the luminous length of columnar light, a scattering continuum is formed by filling scatterer particles in each scattering single body or continuously writing and arranging refraction points, and a wrapping layer sleeved with a fiber core is in butt joint with the scattering continuum, so that lateral columnar uniform light transmission of the laser treatment optical fiber is intensively realized in a target set distance range in the length direction. The laser optical fiber can be used for spinal nerve injury treatment including diseases such as protrusion of intervertebral disc, spinal canal stenosis, spondylolisthesis or traumatic fracture of each section of cervical vertebra, thoracic vertebra, lumbar vertebra and sacral vertebra.

The invention relates to application of a Xiaji acupoint electroacupuncture in preparation of equipment for treating Parkinson's frozen gait, and belongs to the technical field of modernization of traditional Chinese medicine. A traditional Chinese medicine acupuncture technology and a modern electroacupuncture technology are combined, a new application of electroacupuncture is provided, electroacupuncture is adopted to stimulate a spine point area, an electric signal is transmitted to a center through anterior and posterior spines of spinal nerves, release of dopamine in a basal node is promoted, signal inhibition of a cortex auxiliary movement area is relieved, and the aim of treating the spines is achieved. Excitation input of anterior spinal horn motor neurons is increased, so that contraction of skeletal muscles is triggered, movement retardation and frozen gaits of Parkinson's disease patients are improved, pathological neural circuits of PD are rapidly broken, nerve functions are remodeled through long-term stimulation, and a new path is provided for drug or DBS refractory dyskinesia and frozen gaits.

The invention discloses a biological magnetic therapy management system and magnetic therapy equipment, and belongs to the field of biological physical therapy. Comprising a voice intelligent control and man-machine interaction module, a body nursing and detection module, a face anti-aging management module, an expert audio and video connection and health consultation module, a health education and case analysis module, a platform management module and a health content service module. According to the principle of the double-oxygen product, 1.5 V micro-current is combined with a water oxygen kettle to be converted into a magnetic field when meeting water, the magnetic field acts on the human body to regulate or improve the sub-health problem, namely magnetic therapy, water is electrolyzed to generate hydrogen and oxygen, heat carrying the oxygen directly reaches the focus in an intangible micro-needle mode, and therefore the purpose of improving the sub-health effect is achieved. The traditional Chinese medicine composition can quickly dredge channels and collaterals, activate cells, nourish spinal nerves, improve the problems of circulation, absorption, metabolism and the like caused by long-term obstruction of body channels and collaterals, body fluid and qi and blood, and can achieve the effects of dredging five internal organs, repairing six internal organs and improving immunity by insisting in use.