72results about How to "Achieve stimulation" patented technology

A method for treatment of obesity or other disorders by electrical activation or inhibition of nerves is disclosed. This activation or inhibition can be accomplished by stimulating a nerve using an electrode. The method further comprises performing a surgical procedure and / or administering a weight loss drug.

A method for the treatment of obesity or other disorders by electrical activation or inhibition of the sympathetic nervous system is disclosed. This activation or inhibition can be accomplished by stimulating the greater splanchnic nerve or other portion of the sympathetic nervous system using an electrode. This nerve activation can result in reduced food intake and increased energy expenditure.

The invention discloses a multi-target electric stimulation circuit, an electric stimulator and a signal output method thereof. The electric stimulation circuit comprises a control module, a pluralityof electroencephalogram acquisition modules and a plurality of stimulation adjustment modules, wherein each electrode is correspondingly provided with one electroencephalogram acquisition module andone stimulation adjustment module, and different electrodes are used for stimulating different targets; the electroencephalogram acquisition modules are used for acquiring electroencephalogram signalson the corresponding electrodes and transmitting the electroencephalogram signals to the control module; the control module is used for acquiring a brain rhythm phase signal according to the receivedelectroencephalogram signals, and outputting a stimulation signal at a set waveform phase point after phase locking is carried out on the brain rhythm phase signal; and the stimulation adjustment modules are used for adjusting an electroencephalogram stimulation signal output to the corresponding electrodes according to the received stimulation signal. Through the technical scheme of the invention, electric stimulation for multiple targets is facilitated, and time-locking matching for electric stimulation for multiple targets is realized.

The invention relates to a kind of apparatus that can improve sleeping quality. It comprises: an upper carrier, a lower carrier(10), the heat insulation layer(15) between them, and a refrigerating element(2), which is a semi-conductor refrigerating slice or a refrigerating unit has cold fluid passing by, fixed over the lower carrier. Wherein, the physics stimulation element(3), the microelectrode probe(4), the temperature sensor(5)and the buzzer(6) are fixed over the lower carrier; the refrigerating element, the temperature sensor and the buzzer are connected to the power(8) and controller(9)separately by the reception / generator; the upper surfaces of the refrigerating element, the physics stimulation element, the microelectrode probe and the emperature sensor have insulating paint layer; the corresponding positions of the upper carrier have openings. The invention adopts changing the brain's temperature actively to improve the brain from the awake state to the sleeping state and the sleeping quality.

The invention provides an 8-shaped coil for a transcranial magnetic stimulation contrast experiment. The coil comprises a first circular coil body and a second circular coil body, the first circular coil body is wound anticlockwise, the input end is A2, and the output end is A1; the second circular coil is wound clockwise, the input end is B1, and the output end is B2; the input ends and the output ends of the two circular coils are connected and combined through four single switches K1, K2, K3 and K4 to form different configuration states that the current directions at the intersections of the two circular coil bodies are the same or opposite; the on-off states of the single switches K1, K2, K3 and K4 are controlled through a control module. The invention further provides a configurationmanagement method of the 8-shaped coil. The 8-shaped coil is configured by controlling the on-off states of the single switches K1, K2, K3 and K4, and normal stimulation or pseudo-stimulation is freely realized. When the contrast experiment is carried out, a double-blind effect can be achieved on an operator and an experimenter.

The invention provides a cranial nerve stimulating device for enhancing a cognitive function of a brain. The device comprises a frequency tunable high-frequency electromagnetic wave source, a beam shaping unit, an optical fiber coupler, a multi-dimensional fine tuning platform, an optical fiber, and an electrophysiology detecting device. The frequency tunable high-frequency electromagnetic wave source is used for generating high-frequency electromagnetic pulses. The beam shaping unit is used for shaping and focusing the high-frequency electromagnetic pulses generated by the frequency tunable high-frequency electromagnetic wave source to the input end of the optical fiber. The optical fiber coupler is used for fixing the input end of the optical fiber. The multi-dimensional fine tuning platform is used for fine tuning and aligning the input end of the optical fiber and a light spot. The optical fiber is used for receiving the high-frequency electromagnetic pulses and introducing the high-frequency electromagnetic pulses into the cranial nerve system through the output end of the optical fiber. The electrophysiology detecting device is used for detecting the tissue activity after thecranial nerve system is stimulated by the high-frequency electromagnetic pulses. According to the cranial nerve stimulating device for enhancing the cognitive function of the brain, the minimally invasive, high-targeting and high-efficiency regulation and enhancement of the nerve system of an animal are realized by accurately introducing the high frequency electromagnetic signal into the nerve system of the animal.

The invention discloses a preparation method of a boron-doped diamond film / carbon film composite electrode material, which is characterized by adopting a conventional diamond film preparation method and comprising the following steps: preparing an insulated diamond film (3) on a non-conductive substrate (2); and preparing a boron-doped diamond film (1) on the other side of the substrate, and partially converting the insulated diamond film into a carbon film (4). Primarily in the preparation of the carbon film, the diamond of the insulated diamond film is partially converted into a non-diamond phase such as graphite and amorphous state carbon under the effect of high temperature and oxygen in a boron source; and the preparation of the carbon film and the preparation of the boron-doped diamond film are performed at the same time. When the composite plane electrode material is in use, electrical stimulation is realized by use of the advantages of low impedance and higher charge storage capacity of the carbon film; and meanwhile, the high signal-to-noise ratio of the boron-doped diamond film is more favorable for detecting electrical signals. Compared with a common electrode preparation method, two electrode materials are prepared on the substrate, and two functions can be realized.

A related method for rapidly starting anaerobic ammoxidation by utilizing an anaerobic filter comprises: utilizing denitrification sludge to perform inoculation, performing an activated-sludge membrane-forming stage and reaction-starting first, second and third stages, utilizing simulated wastewater and breeding wastewater for domestication, and precisely controlling water inlet conditions, so as to realize rapid starting of anaerobic ammoxidation. By utilizing the efficient adhesion performance of a filling material and through variation of control conditions at different stages, and the method is capable of accelerating domestication process of microbes and culturing stable anaerobic ammonium oxidation bacteria flora within 2-3 months, and is large in biomass, rapid in starting process and good in processing effect. The method is capable of processing low-concentration simulated waste water, and also is capable of realizing stable efficient processing of high-concentration breeding wastewater through a period of domestication, and gives play to dual effects of reducing total nitrogen and COD.

The invention discloses a high-throughput microfluidic chip and a cell analysis device and method. The high-throughput microfluidic chip comprises a cell observation pool, a stimulant channel, a cell introduction channel, a buffer solution channel and a waste liquid channel, wherein the stimulant channel is connected with the opening of the cell observation pool, the cell introduction channel is connected with the side face of the cell observation pool, the connecting site is close to the opening, the buffer solution channel is connected with the bottom of the cell observation pool, and the waste liquid channel is connected with the opening of the cell observation pool. The cell analysis device comprises the high-throughput microfluidic chip, a signal collection device and electric proportional switching valves, and the channel inlet end of the high-throughput microfluidic chip is connected with independent electric proportional switching valves; the signal collection device is arranged at the cell observation pool and is used for collecting cell signals or imaging cells. The analysis method comprises the following steps: capturing cells, stimulating cells and releasing cells. The chip, the device and the method provided by the invention can be used for achieving high-throughput cell stimulation and analysis in multiple modes.

The invention relates to a sterile zinc-based montmorillonite Band-Aid as well as a preparation method and an application thereof. The Band-Aid comprises base cloth, an inner pad and a bonding part, wherein a medicament is attached to the inner pad. The Band-Aid is characterized in that the medicament contains zinc-based montmorillonite. Free zinc ions and montmorillonite can be dissociated from the used zinc-based montmorillonite, the medicament side of the Band-Aid is pasted to a skin wound, and the montmorillonite dissociated from the zinc-based montmorillonite of the Band-Aid can form gel after encountering blood, so that bleeding is stopped quickly; the formed gel can be used as a protection layer on the surface and the periphery of the wound to prevent external bacteria from invading; the zinc ions dissociated from the zinc-based montmorillonite have antibacterial and anti-inflammatory effects and has astringent and healing effects on damaged skin.

The invention discloses an implanted electrical stimulation device based on magnetic coupling resonance wireless energy transmission. The device comprises an external controller and an implanted stimulator, the external controller and the implanted stimulator are of wireless energy transmission, the external controller comprises a power supply module, a control module, a driving module, a feedbacksignal acquisition module and a transmit coils, and the implanted stimulator comprises a receiving module, a rectifier circuit module, a voltage stabilizing circuit module and a stimulating electrode. According to the implanted electrical stimulation device provided by the present invention, the implanted stimulator implanted in the human body no longer needs power supply unit such as a battery,so that the volume of the stimulator can be greatly reduced, which is beneficial to realizing the overall encapsulation of the electric stimulator and reducing safety risk caused by electrode breakageand battery liquid leakage.

The invention relates to an electric fancy massager under programmed control. The electric fancy massager under programmed control is composed of a wearing device (1), a massaging device (2), and a programmed control and power supply device (3). The wearing device (1) comprises a corselet (11) and shorts (12); the massaging device (2) comprises a chest massaging module (21) and a sexual organ massaging module (22); the programmed control and power supply device (3) comprises a connecting wire (31), a timing and programmed control button (32), a battery (33) and an external power interface (34). The programmed control and power supply device (3) can be used for setting timed start time, and also is capable of regulating the sequence, intensity, frequency and the like of massaging of each massaging module to achieve different massaging and stimulation effects. The electric fancy massager under programmed control is an adult product which can be used in sleeping time or non-sleeping time and is capable of realizing massaging on a plurality of parts of a body. Besides, when the electric fancy massager is utilized during sleeping, a user can have a sexual dream or sexual fantasy.

The invention discloses a sperm collector with a wriggling structure. The sperm collector comprises a driving mechanism, a wriggling mechanism, and a sperm collection rubber sleeve driven by the driving mechanism and the wriggling mechanism. The wriggling mechanism is arranged on a support of the driving mechanism. The wriggling mechanism comprises a second motor fixed in the support of the driving mechanism, driving gears fixed to an output shaft of the second motor, crankshafts linked with the driving gears, limiting shafts, and wriggling pieces penetrating through the crankshafts and the limiting shafts. The crankshafts are driven by the second motor to rotate, so as to drive the wriggling pieces to wriggle in the radial direction. The sperm collection rubber sleeve is fixed in the wriggling mechanism. The wriggling pieces are located on the periphery of the sperm collection rubber sleeve. The sperm collection rubber sleeve is pressed through the radial wriggling of the wriggling pieces. By the adoption of the technical scheme, the sperm collection rubber sleeve is linked with the driving mechanism and the wriggling mechanism, and the sperm collection rubber sleeve can have three motion modes by controlling a first motor and the second motor in a rotating mechanism and the driving mechanism. The wriggling structure is simple in design and stable in operation.

The invention discloses a preparation method for modified starch based polyethylene plastic, belonging to the technical field of plastic preparation. According to the invention, antimonous oxide and red phosphorus are utilized to modify polyethylene, and polyethylene is unaffected in the decomposition process of the antimonous oxide and the red phosphorus under heating; epichlorohydrin and succinic anhydride are utilized for double modification of potato starch, and a substrate forms an interface with a certain strength under the action of modified starch; the polyethylene generates graft copolymerization, oxidation and esterification chemical reactions with the active hydroxyl group in starch, and the potato starch has excellent biodegradability and is free of toxicity and irritation; tetrabutyl titanate, carbon tetrachloride and the like are mixed under stirring to generate a reaction to prepare TiO2 catalytic powder by adopting a sol-gel method, and the TiO2 catalytic powder generates electrons and holes under the excitation of ultraviolet light and has strong oxidation reduction ability, so degradability of polyethylene plastic is further improved; thus, the preparation methodprovided by the invention has broad application prospects.

The invention relates to an application of zinc-based montmorillonite and calcium-based montmorillonite sterile styptic powder in preparation of medicines for healing skin wounds. The zinc-based montmorillonite and calcium-based montmorillonite sterile styptic powder is prepared from the following raw materials in parts by mass: 5-10 parts of zinc-based montmorillonite and 8-12 parts of calcium-based montmorillonite. According to the invention, zinc-based montmorillonite and calcium-based montmorillonite are used as effective ingredients of the medicament provided by the invention, and the effective ingredients are combined with pharmaceutical auxiliary materials to be prepared into the medicament through the processes of high-temperature dry heat sterilization, mixing, sterile sub-packaging and the like. Through skin external administration, the medicament can be used for quickly coagulating blood and arresting bleeding as well as preventing wound infection, has anti-bacterial and anti-inflammatory effects, and has converging and healing effects on the injured skin.

The invention discloses a kidney-tonifying traditional Chinese medicine composition for treating ischemic brain injury and a preparation method thereof, relates to the field of traditional Chinese medicines, and aims to solve the problems of poor treatment effect and single treatment mode of a traditional Chinese medicine for treating cerebral ischemic diseases by tonifying kidney and promoting brain circulation. The composition consists of radix rehmanniae preparata, fructus corni, fructus lycii, semen cuscutae, tortoise-plastron glue, rhizoma chuanxiong, ginseng, herba epimedii, poria cocosand herba cistanche, is combined with a traditional Chinese medicine fumigant and an auricular point patch for use, and has a remarkable curative effect on cerebral ischemic diseases. The compositionis applied to the field of brain injury treatment.

The invention provides an electronic treatment system, electronic devices contained in the electronic treatment system, a synchronization method and a storage medium, and relates to the technical field of electronic medical treatment. The electronic treatment system comprises an in-vitro electronic device and at least one in-vivo electronic device, wherein each of the at least one in-vivo electronic device is electrically connected with at least one electrode arranged in the body of a patient. Moreover, the synchronization method comprises the steps of acquiring timestamp offset of each electronic device; and realizing time synchronization of each electronic device according to the respective timestamp offset of each electronic device. Timestamp offset of different electronic devices is adopted in the time synchronization process, so that errors caused by timestamp difference in a traditional synchronization mode can be avoided, the time synchronization precision can be improved, particularly, the requirement of medical system data processing on time precision can be met, the accuracy of clinical judgment reference can be ensured, and cooperative work of collection, stimulation, drug delivery and the like of each electronic device is realized.

The invention provides a human-derived biological tissue material and a dynamic culture cell stimulation method and device. The biological tissue material comprises an in-vitro culture matrix and a plurality of moldable cavities capable of accommodating cells to be cultured. In the culture process, the cells are placed in a moldable cavity to secrete an extracellular matrix (ECM). The dynamic culture method comprises the following steps: placing cells in the moldable cavity, and applying different external forces to the cells at different time points to stimulate the cells to secrete ECM. According to different to-be-implanted parts, mechanical forces in different directions, sizes and angles are selected to stimulate cells, so that the cells secrete more ECM and play a shaping role, and a composite biological material of'biological material + shaping cell + ECM 'is formed. The composite biological material becomes an organic integrated body through mechanical stimulation, so that the use of a chemical cross-linking agent is avoided. Cell components (immune components) in the composite material can be removed. The obtained biological tissue materials comprise blood vessels, hernia patches, tendons, cartilages, muscles and the like.

The invention discloses an optical device of a flexible implantable nerve photoelectrode, which is arranged on a flexible polymer substrate and includes: an input grating, a waveguide and an output grating, the input grating is a parallel grating for coupling incident light, and the input of the waveguide The end of the waveguide is coupled to the input grating, the output end of the waveguide is coupled to the output grating, and the output grating is a focusing grating, which is used to couple and focus light on the recording electrode to provide optical stimulation with single-cell resolution. The invention also discloses the design and preparation method of the optical device. The optical device of the flexible implantable neural photoelectrode provided by the present invention provides single-cell resolution optical stimulation and in-situ recording through the design of the waveguide and grating; the small size of the device can reduce implant damage, and it has low loss and high Coupling and strong focusing; its high integration is conducive to the realization of multi-channel, high-density nerve stimulation and recording; the use of flexible polymer substrates can reduce the formation of nerve scars and achieve long-term stable work in vivo.

The invention discloses a programmable neuromagnetic stimulation device comprising a base and a rotating magnetic field generator arranged on the base; the rotating magnetic field generator comprisesa magnetic head and a driving device connected with the magnetic head and driving the magnetic head to rotate; the driving device is connected with a single-chip microcomputer, the single-chip microcomputer controls the magnetic field generator to generate a rotating magnetic field, and the magnetic field strength of the rotating magnetic field changes periodically with time. The magnetic field frequency is regulated by a motor rotating speed control system based on a single chip microcomputer encoder, and the programmable neuromagnetic stimulation device is applied to the field of neuromagnetic stimulation, realizes the programmable rhythm of neuromagnetic stimulation, and can be used for the related scientific research of neuromagnetic stimulation effect. Through the specific magnetic field rhythm, and with combination of superparamagnetic nanoparticles, the programmable neuromagnetic stimulation device can be better applied to known scientific research of magnetic stimulation effectin deep brain areas (such as hippocampus) related to depression.

The invention discloses an optical device of a flexible implantable neural photoelectrode. The optical device is arranged on a flexible polymer substrate and comprises an input grating, a waveguide and an output grating, wherein the input grating is a parallel grating and is used for coupling incident light; the input end of the waveguide is coupled with the input grating; the output end of the waveguide is coupled with the output grating; and the output grating is a focusing grating and is used for optically coupling and focusing light to irradiate above a recording electrode and providing photostimulation with single cell resolution. The invention also discloses a design and preparation method of the optical device. The optical device of the flexible implantable neural photoelectrode, provided by the invention, has the advantages that photostimulation and in-situ recording with single cell resolution are provided through design of the waveguide and the gratings; the device is small in size, so that implantation damage can be reduced, and the device is low in loss, high in coupling and strong in focusing; the high integration level of the device is beneficial to realizing multichannel and high-density nerve stimulation and recording; and by adopting the flexible polymer substrate, formation of nerve scars can be reduced, and long-term in-vivo stable work is realized.

The embodiment of the invention discloses equipment for stimulating cerebral cortex to improve brain functions by using transcranial direct current. The equipment comprises direct current electrodes for stimulating a specific point in a cerebral cortex functional area and a control circuit for controlling stimulation current on the direct current electrode. Each direct current electrode is connected with an output interface of the control circuit. The control circuit outputs stimulation current polarity, stimulation current intensity, stimulation duration and stimulation sequence preset according to the state of a patient to perform fixed-point direct-current stimulation on the cerebral cortex functional area of the human body. The biological activity of cerebral cortex is adjusted, and the effect of improving brain functions is achieved.

The invention discloses a composite optical fiber device for realizing micro-dosing and photoelectric detection and a preparation method. The preparation process is simple; and the prepared compositeoptical fiber can realize micro-dosing and photoelectric stimulation in the brain of a living body and perform synchronous recording of detection results, and transmission and recording of optical, electrical and chemical signals can be effectively realized in one optical fiber. The device comprises a composite optical fiber and a connector, wherein the composite optical fiber comprises a dosing micro-tube for realizing micro-dosing into the living body, an optical fiber core for optical signal stimulation and detection, and a conductive metal wire for electric signal stimulation and electrophysiology recording. The dosing micro-tube, the optical fiber core and the conductive metal wire which are implanted into the living body are coated by an outer coating layer, and the dosing micro-tube, the optical fiber core and the conductive metal wire which are left outside the living body are connected with an in-vitro signal source of the living body through connectors respectively.

The invention belongs to the technical field of in-situ risk control and remediation of contaminated soil, and particularly relates to an in-situ chemical barrier material for heavy metal, organic and compound contaminated soil, a preparation method of the in-situ chemical barrier material and application of the in-situ chemical barrier material to collaborative control and remediation treatment of the contaminated soil and underground water. The material comprises the following components in percentage by weight: 50-95% of in-situ soil in a polluted area and 5-50% of clay mineral. The chemical barrier layer material provided by the invention has the advantages of convenience in material obtaining, multiple functions, lasting performance, convenience in operation, wide application and the like. In-situ clean soil or soil meeting the landfill disposal standard is used as a main matrix material, the economic cost of materials is saved, meanwhile, clay minerals are added into the barrier material, the permeability coefficient of the barrier mixed material is remarkably reduced, in addition, pollution factors are effectively controlled and reduced in an auxiliary mode through application of active materials in the mixed material, and the environmental pollution is reduced. Therefore, the in-situ risk management and control and disposal targets of the polluted site are realized through multiple functional characteristics.

The invention provides a household convulsion first-aid kit, and belongs to the field of first-aid tools. The first-aid kit comprises a hair moxibustion device, an oxygen inhalation assembly and a quantitative enemator, and the hair moxibustion device is used for stimulating acupuncture points of a human body; the oxygen inhalation assembly comprises a double-nostril oxygen inhalation tube, and the double-nostril oxygen inhalation tube is provided with a through hole which is used for exposing the Renzhong acupoint of a human body and is matched with the hair moxibustion device; and the quantitative enemator comprises an inner tube, an outer tube and a propeller, one end of the inner tube is a medicine injection end, the other end of the inner tube is an open end, a round sealing gasket isarranged in the inner tube, the outer tube is sleeved with the inner tube, one end of the propeller is connected to the round sealing gasket, and the moving distance of the end in the outer tube is afixed value. The household convulsion first-aid kit provided by the invention is convenient to use, can be used without mastering professional knowledge by a user, and does not cause further injury to a human body.

The invention discloses a microelectrode array with an adjustable electrode point distance, comprising a microelectrode array structural layer, an electrode circuit layer and a microelectrode array covering layer which are sequentially arranged and form a composite structure, wherein the microelectrode array covering layer is directly contacted with a tissue, and electrode points and a buffer structure convenient for adjusting the electrode point distance are arranged in the electrode circuit layer. For the microelectrode array, the buffer structure formed by a series of small arcs is used for controlling the electrode point distance, when the small arcs are tensioned transversely or longitudinally, the radius of the small arc is increased, the radian is reduced, the electrode point distance is changed, and the damage of the circuit structure, caused by tensioning, is reduced to the minimum. In the traditional microelectrode array with the fixed distance, the microelectrode array only needs to be properly tensioned to obtain the microelectrode array with different distances in practical use, but multiple traditional microelectrode arrays with the fixed distances are needed to achieve the same effect.

The invention discloses a plasma display capable of realizing a voltage stabilizing circuit. The plasma display structurally comprises a fixed frame, corner protectors, a plasma display screen and a voltage stabilizing device, The beneficial effects are as follows: according to the invention, the arranged constant mechanism is utilized, the shape of a voltage line is changed physically, furthermore, the voltage is changed while the frequency is changed, so that a voltage jump phenomenon is avoided, and the voltage tends to stabilize, and meanwhile, under the action of a metal oxide piezoresistor serving as a protective wire, circuit burst caused by an over-high phenomenon can be effectively avoided; by means of an arranged transition structure, passive stroking treatment can be conducted on reactants, so that the reactants are stimulated, the reactants are made to have the transition effect under the action of passive stimulation force, and the phenomena that due to insufficient stimulated force, gas cannot achieve the complete discharging effect, and a screen is not lightened all the time are avoided.

The invention relates to a method for automatically constructing a stable electrocatalytic bacterial biofilm. The method comprises the following steps: firstly assembling a microbe electrochemical reactor, and connecting circuits, wherein the first circuit is as follows: a fixed resistor is connected between an anode and a cathode in series, and the second circuit is as follows: an adjustable direct-current power supply, an ampere meter and a work contact of a circulating time relay are connected between the cathode and the anode; then injecting a bacteria growth medium solution into an anode chamber, inoculating a bacteria source, prestarting a microbe anode by switching on the first circuit, then controlling pulse current between the anode and the cathode to be gradually increased at preset velocity according to the potential change of the anode by switching on the adjustable direct-current power supply of the second circuit, wherein the pulse current is immediately lowered by 40%-60% when the potential of the anode is increased to a limit value and enters a new round of growth stimulation, and the electrocatalytic bacterial biofilm is completely constructed till the pulse current value reaches a preset current limit value and is stable at the preset current limit value for more than 10 hours. The electrocatalytic bacterial biofilm disclosed by the invention can be stably operated with the relatively high working current.

The invention belongs to the technical field of biomedical engineering, and provides a preparation method of a high-flux bidirectional temperature sensing flexible electrode. The preparation method comprises the following steps: sequentially stacking a flexible substrate, a wire layer and an insulating layer on a substrate; patterning the insulating layer to expose an electrode region, a temperature sensing window and a circuit connection region of the wire layer; forming an electrode contact connected with the wire layer in the electrode area; a temperature sensing unit connected with the wire layer is formed in the temperature sensing window; forming micro salient points which are connected with the wire layer and are used for connecting a circuit in the circuit connection area; and removing part of the substrate to obtain the flexible electrode. According to the method, the width of the flexible electrode can be reduced, the number of channels is increased, and high-density electrode array processing and batch production are achieved; a temperature sensing unit is integrated on the neural electrode, so that the temperature change of tissues under different stimulation parameters can be accurately monitored, and the working state of the electrode can be adjusted in time. According to the deep stimulation electrode assembly based on the flexible electrode, the hard needle drives the soft needle to enter the brain tissue, so that the electrode implantation damage is reduced.

The invention discloses a bactericidal preparation based on prevention of cow mastitis and a preparation method thereof. The bactericidal preparation is specifically prepared from the following raw materials in parts by weight: 15 parts of herba taraxaci, 15 parts of flos lonicerae, 8 parts of herba houttuyniae, 9 parts of flos chrysanthemi indici, 7 parts of radix glycyrrhizae, 13 parts of radixscutellariae, 5 parts of radix rhapontici, 8 parts of semen vaccariae, 7 parts of spica prunellae, 5 parts of fructus forsythiae, 3 parts of herba violae, 4 parts of fructus arctii and 2 parts of thunberg fritillary bulb. All the components of the bactericidal preparation have the effects of clearing away heat and toxic materials, diminishing swelling and removing stasis, killing bacteria, resisting inflammation and enhancing immunocompetence, and the components of radix rhapontici and semen vaccariae have the effects of dredging collaterals and promoting lactation, and promoting milk secretion.