116results about How to "Guaranteed Fusion" patented technology

The invention relates to the technical field of image communication, and particularly relates to a method for acquiring a panorama image by using two fish-eye camera lenses. The method comprises the following operation steps: (1) camera configuration: two fish-eye lenses with view angles of greater than 180 degrees are oppositely arranged on a camera, so that two ends of the view angles of the two fish-eye lenses are overlapped; (2) image acquisition: the camera is arranged in a panorama, and acquires a part of the panorama through one fish-eye lens to form a first image, and acquires the other part of the panorama through the other fish-eye lens to form a second image, and two ends of the first image and the second image are overlapped; (3) image processing: a processor of the camera splices the first image and the second image to form a 360-degree panorama image. According to the method provided by the invention, two images can be quickly obtained by the two fish-eye lenses, and combined into a panorama image, the operation is simple and convenient, and the combination effect is good.

The invention discloses a GaAs-based LED chip cutting method. The method comprises the following steps: (1) semi-cutting is carried out on a P surface, criss-cross cutting grooves are formed, and chip P surface electrodes are separated at equal intervals; (2) the chip P electrodes face a white film downwardly, N electrodes face upwardly and are attached to the white film; (3) chip N surface scribing is carried out along the cutting grooves formed by P surface semi-cutting, and chip N surface stress is relieved; (4) film inverting is carried out on the scribed chip, and the chip is transferred to a blue film from the white film; and (5) on the chip N surface, a bonding tool of a chip breaking machine is used for chip breaking along scratches, and the chip is processed into independent crystal grains. The improved surface mount method is used, a cutting method which combines advantages of a chip sawing machine and a laser chip scribing machine is adopted, the chip P surface stress and the N surface stress are relieved maximally, deformation stress effects caused by film laminating can be reduced and edge collapse and pipe core breaking phenomena after the chip is cut are reduced, and the appearance quality after the chip is cut is improved.

The invention discloses an autonomous navigation guidance method used for a pilotless plane, which comprises a fairway planning method based on a speed vector field and a track tracking guidance method based on nonlinear navigation logic guidance law. The fairway planning method is characterized in that the flying area of a pilotless plane is regarded as the area of a speed field; a hauling field is generated at a target point in the area and generates the hauling speed on a planning point; an evasion field and a guide field are generated in a threat area and generates evasion speed and guide speed on the planning point; under the action of planning resultant speed, the movement track of the planning point is a fairway to be planned. The track tracking method is characterized in that a nonlinear navigation logic guidance command is given according to a given track by combining with the current position, the attitude information and the detection step length of the pilotless plane; a nonlinear guidance command is converted into a roll angle command by the conversion relation between accelerated speed and a roll angle; and the track tracking is realized by a flight control system. The invention has simple realization and good real-time performance and has very strong practical application prospect.

The invention discloses a time delay compensation method in an inertia gravity matching combined navigation system. The method comprises the following steps: acquiring latitude and longitude lambda (img file='DDA 0000458357530000011.TIF' wi='71' he='48'), course psi and velocity V output by an inertial navigation system and a gravity signal acquired by a gravity meter; 2, calculating an Eotvos correction value of the gravity signal, and performing filtering processing on the Eotvos correction value; 3, determining the delay time of the gravity signal; 4, acquiring a carrier position at the corresponding moment of the gravity signal by utilizing a matching algorithm based on a gravity contour; 5, establishing a Kalman filter model; 6, taking the latitude and longitude at the carrier position as the observed quantity, estimating the error of the inertial navigation system at a corresponding time point of the gravity signal by utilizing Kalman filtering, and correcting the inertial navigation system; and 7, performing Kalman filtering, predicting a state vector at a current moment in multiple steps, and finishing time delay compensation. The method has the advantages of gravity signal time delay compensation and high navigation precision.

The invention provides a multichannel LSTM (Long-short term memory) neural network influenza epidemic situation prediction method based on an attention mechanism, and belongs to the technical field ofepidemic disease monitoring. The multichannel LSTM neural network influenza epidemic situation prediction method comprises the following steps: firstly, carrying out preprocessing, normalization andfeature selection on data in a data set, dividing the selected data into weather-related data and influenza epidemic situation-related data, and generating a training set; then establishing a multichannel LSTM neural network model comprising an attention mechanism; inputting training set data into the model for training, and performing MAPE (mean absolute percentage) evaluation to obtain a trainedmultichannel LSTM neural network model; processing the test data to obtain a test set; inputting the test set data into the trained LSTM neural network model for testing; and finally, performing inverse standardization processing on a test output result to obtain an influenza epidemic situation prediction value. According to the multichannel LSTM neural network influenza epidemic situation prediction method based on an attention mechanism, the problem of low prediction accuracy of the existing influenza epidemic situation prediction technology is solved. The multichannel LSTM neural network influenza epidemic situation prediction method based on an attention mechanism can be used for influenza prediction of different regions.

The invention discloses a high-resolution roll angle measuring method and device based on a heterodyne interferometric phase method. The device comprises a transverse Zeeman double-frequency laser and a beam splitter prism in an emergent light path of the transverse Zeeman double-frequency laser, and a first polarization analyzer and a first photoelectric receiver are arranged in a reflection light path of the beam splitter prism. A half-wave plate is arranged in a transmission light path of the beam splitter prism and is located in the middle of a plane mirror array, a phase delay sheet and a right-angle reflecting prism are arranged in a final emergent light path of the half-wave plate, and a second polarization analyzer and a second photoelectric receiver are arranged in a reflection light path of the right-angle reflecting prism. The first photoelectric receiver and the second photoelectric receiver are connected with a phase meter, and the output end of the phase meter is connected with an industrial personal computer. The superposition performance of acting on the polarized light is utilized when the half-wave plate and the plane mirror array are matched to be used, the half-wave plate is mounted in the plane mirror array and is used in common with the phase delay sheet, and roll angle measuring resolution is further improved.

The invention discloses a photo-thermal composite curing 3D printing device and a hook face in-situ printing method thereof. The photo-thermal composite curing 3D printing device is composed of two sprayer systems, a three-dimensional motion platform, two feeding devices and a computer. Furthermore, the two sprayer systems include a photo-curing forming sprayer system and a temperature curing forming sprayer system, and collaborative printing of two forming technologies can be achieved. A hook face in the hook face in-situ printing method refers to printing on the hook face through a hook face layering method different from a traditional 3D printing plane layering method, and in-situ printing refers to direct printing at the artificial limb hook face defect position. A defect three-dimensional model is established by scanning the artificial limb hook face defect, a printing path is generated according to the size and shape of the defect, accordingly, sprayers are controlled to conduct three-axis linkage, the sprayers move along the defect face, and in-situ printing is finished. Furthermore, the device and method can be used for studying in the aspect of a hook face in-situ printing type skin structure and a cartilage-like structure.

The invention relates to a railway vehicle chassis floor welding process which comprises the steps of: firstly, cleaning section bars for a chassis floor; secondly, locating the section bars for the chassis floor: successively locating a second side beam, the floor section bars and a first side beam, and adjusting the gaps between the section bars to make the gaps uniform; thirdly, installing a run-on plate and a run-off plate; fourthly, performing tack welding, wherein the length of tack welds is kept to be 80-100mm, and in the length direction, the spacing distance between adjacent tack welds is 1000-2500mm; fifthly, performing reserve automatic welding: setting the welding parameters of an IGM automatic welding robot reasonably, and using double guns to perform welding crosswise according to the order of firstly welding the first weld and the fourth weld, secondly welding the second weld and the fifth weld and thirdly welding the third weld and the sixth weld; sixthly, performing overall turning: turning the chassis floor wholly; seventhly, performing frontal welding on the chassis floor: completing frontal automatic welding according to the fifth step; eighthly, performing overall adjustment on the chassis floor.

The invention discloses a 6LoWPAN-based intelligent fire-fighting service system for colleges and universities and a design method of the 6LoWPAN-based intelligent fire-fighting service system. The service system comprises a data acquisition layer, a data transmission layer, a data control layer and a system application layer, good interoperability of the 6LoWPAN can solve information isolation, the 6LoWPAN supports the intercommunication with other IEEE (Institute of Electrical and Electronic Engineers) 802.15. 4 equipment and supports the interconnection with other IP networks; through designing a data control layer based on fire-fighting big data, intelligentized analysis of data, intelligent control on fire-fighting equipment, a visual service platform is established; through analyzingand mining fire-fighting big data, the fire situation is predicted and a solution is formulated, the fire prevention and control efficiency is improved, the intelligence of a service platform is realized, the purposes of equipment management centralization, fire-fighting construction underlying data management intellectualization and management system platformization are achieved, and the systemhas the characteristics of high feasibility, convenience in networking and easiness in maintenance and upgrading.

In a low delay ignition confirmation system and confirmation method applied to rocket ground information infusion, a comprehensive detection and control apparatus of a ground test launch control system receives an initial ignition signal sent by a central display and control station; after ladder diagram and logical calculation and signal conditioning, a timing system zero point signal is output; a flight control computer determines whether each one-chip microcomputers on the rocket work normally according to time synchronization after receiving the timing system zero point signal; a flight control procedure is started upon normal work and a determining result is fed back to a central computer; the flight control procedure is stopped upon abnormal work and a determining result is fed back to the central computer and ground post processing is expected; the central computer receives the rocket results; for the normal work signal, an intermediate ignition signal is output to the comprehensive detection and control apparatus; a final ignition signal is output by the comprehensive detection and control apparatus after receiving the intermediate ignition signal; and an initiating explosive device is detonated by a second launch control conditioning plate, so the rocket and the ground are reliably separated.

A system and method for cardiac resynchronization therapy ("CRT"] in which a model of baseline cardiac electrical activity, such as a model of global baseline cardiac electrical activity derived from various surface electrocardiograph ("ECG") signals, is utilized to automatically adjust pacing control parameters of a cardiac implantable electrical device ("CIED") are provided. The baseline model is modified with simulated pacing control parameters in an iterative fashion until ventricular electrical asynchrony is minimized. The simulated pacing control parameters resulting in the minimum ventricular electrical asynchrony are used to generate an updated model of ventricular activation, and this updated model is used to generate control parameters for the CIED using a QRS glyph morphological framework.

The present invention relates to a narrow gap welding method which belongs to the technique field of the welding technology. A double-thread narrow gap alternating-direct current pulse matching electric arc welding method comprises the following procedures: connecting equipment and regulating the parameter of the alternating current welding machine; connecting the control end of the double-thread alternating-current / direct current welding controller with the scheduled end of the potentiometer of the direct-current welding machine; setting the base electric voltage of the direct current impulse and setting the spike voltage of the direct current impulse; setting the wire feeding rate of the two welding sticks and the range is between 1 and 15m / min; connecting the detecting end of the controller with the alternating current welding machine and the voltage signal is obtained; treating the voltage signal with the detecting module to detecting signal and inputting the control module; generating the direct current impulse controlling signal and outputting to the control end by the calculating of the control module; regulating the controller mode to cause that the controller runs at the impulse outputting mode and outputting the impulse signal required by the designing; and doing welding. The invention guarantees the lateral wall fusing and increases the reliability of the welding equipment and facilitates the maintenance by the acting force between the two electrical arcs.

The embodiment of the invention discloses a method and device for determining the position of an obstacle in an image, equipment and a medium, can be used for automatic driving, and relates to the technical field of image processing. The method comprises the following steps: obtaining a currently photographed driving environment image; determining a shielded part of a target obstacle in the driving environment image, and determining an initial coordinate of an unshielded part of the target obstacle; determining prediction coordinates of the shielded part by using a preset position prediction algorithm; and determining the current position of the target obstacle in the driving environment image based on the prediction coordinates and the initial coordinates. According to the embodiment of the invention, the accuracy of obstacle positioning in the driving environment image can be improved.

The invention discloses a navigation and interface computer based on dual-DSP and CPLD. The navigation and interface computer is applied to a rotary inertial navigation system constructed by a gyroscope taking RS-422 as the output, an accelerometer and an angular measurement device taking quadrature coding pulse as the output as well as other inertial navigation systems. The navigation and interface computer mainly comprises a DSP1 module, a DSP2 module, a CPLD module, a dual-port RAM module, an Ethernet interface module, a MIL-STD-1553B interface module, an ARINC-429 interface module and an expanded RS-422 interface module. The DSP1 module is mainly used for synchronous acquisition of inertial sensors and synchronous reading of the signal of the angular measurement device; the DSP2 module is mainly used for coordinated communication of the external MIL-STD-1553B, ARINC-429 and expanded RS-422; and the CPLD module is mainly used for signal acquisition of the angular measurement device and assistance of the DSP2 module. The navigation and interface computer disclosed by the invention is compact in circuit structure and high in expandability and can be widely applied to various inertial navigation systems.

The invention relates to a method for using a liquid chromatography to separate and measure apremilast and enantiomer thereof. The method includes that using spherical silica gel coated with chiral polymer at surface as a chiral chromatographic column, using alkane-different concentrations of polarity organic solvent as mobile phase, wherein the polarity organic solvent is composed of first organic solvent and second organic solvent, the alkane is selected from normal hexane, normal heptane, cyclohexane and methylene dichloride, the first organic solvent is isopropanol, and the second organic solvent is selected from methanol, ethanol and acetonitrile. The method for using the liquid chromatography to separate and measure the apremilast and enantiomer thereof solves the problem that the apremilast and enantiomer thereof are difficult to separate for the separation and measurement, and accordingly the controllable quality of the apremilast and the preparation thereof is guaranteed.

The invention provides a method for connecting a thermoplastic drainpipe with a spiral or annular reinforced rib on the surface, and a pipe connection formed by the method. The connecting method comprises the following steps: water blocks are arranged among spiral fins of a pipe end connection area; slots among the fins are filled by a packing material with heat stability; a plastic connecting layer is coated on the external circle of the fin to form a cylindrical pipe connection; and the pipe connections are connected by an electric melting band or a thermal contraction band. The pipe connection comprises the water blocks arranged among the spiral fins; and the foaming material filled in the slots among the fins, and the plastic connecting layer coated on the fins by an extrusion sheet winding mode. The method and the pipe connection solve the problem that the pipes cannot be connected by the electric melting band because of uneven outer walls.

The invention relates to the technical field of production of lithium battery membranes and discloses production equipment for a three-layer co-extrusion membrane of a lithium battery. The equipment comprises an extrusion platform, a first power motor, a second power motor, a first screw extruder, a second screw extruder, a curtain coating platform, a melt pump, a curtain coating machine, a swingdevice, a pulling device, a rolling device, a metal separator and a three-cavity mold. The bottoms of the first power motor, the second power motor, the first screw extruder and the second screw extruder are fixedly connected to the top of the extrusion platform separately, and the output ends of the first power motor and the second power motor are in transmission connection with the input ends ofthe first screw extruder and the second screw extruder respectively. According to the production equipment, the problem is solved that after being extruded, the raw materials are easily moved in different layers. The raw materials are evenly distributed after being extruded by the extruders, the overall raw materials are homogenized, the fluidity of the extruded raw materials can be improved, andthe effect of plastifying the raw materials is improved.

The invention provides a narrow-gap laser-TIG electric arc composite welding device and a welding method. The welding device comprises a welding gun body, a swing welding gun assembly, a welding wire feeding and heating assembly and an air feeding assembly, wherein the swing welding gun assembly comprises a welding gun rotating shaft, a stepping motor, a large gear, a pinion, an upper insulation sleeve, a lower insulation sleeve, a tungsten electrode clamp and a tungsten electrode; the stepping motor is installed on a motor connecting base; the pinion is installed on an output shaft of the stepping motor; the large gear is installed on the welding gun rotating shaft; the pinion is meshed with the large gear; the welding gun rotating shaft is installed and positioned on the welding gun body through the upper insulation sleeve and the lower insulation sleeve; the tungsten electrode is installed at the tail end of the welding gun rotating shaft through the tungsten electrode clamp; the welding wire feeding and heating assembly is used for feeding and heating wires; the welding arc and the focus point of the laser beam jointly act on the same welding pool area; and the air feeding assembly conveys a welding protection gas to a welding arc area. The product quality and the welding efficiency are improved, the welding cost is reduced, the welding deformation is reduced, and the weld width is accurately controlled.

The invention relates to a dynamic account balance accounting method, which uses an account management module (2) and comprises the following steps: a request is sent out to allocate and deduct a certain amount from the account balance according to the fees of the user or user business service under the same account; the user or user business service independently uses a certain amount to carry out the accounting; after a certain amount is used up, the fee request is sent out once again before going back to Step 1. 1) if the user or user business service is continuously used; after the user or user business service is used up, the residual amount is returned to the balance. After the method is adopted, the unified allocation of the fee is carried out through the account management module when each user uses the same account balance and the fees for which various users apply are the special resources of the users, and a conflict does not happen when the users use the balance; simultaneously, the account management module is an independent common module and all the services can be used through an accounting gateway so as to realize the dynamic account sharing accounting.

The invention relates to the field of decorative building materials, in particular to a PVC floor and a production process. By designing the corresponding raw material ratio and the corresponding process, the PVC floor can change correspondingly according to the temperature and the brightness of the environment. The PVC floor comprises the following components in percentage by mass: 20-80% of a polyvinyl chloride matrix, 20-80% of stone powder and 1-50% of an auxiliary agent, and 0.01-40% of an inductive color-changing material. The method sequentially comprises the following steps of measuredfeeding, hot mixing, cold mixing, double-screw extrusion, single-screw extrusive granulation, particle spreading, initial forming and UV surface treatment. According to the invention, the PVC floor material and the induction color-changing and light-emitting material can be fused with each other in a hot melting state at a proper temperature under a proper process condition; in addition, under the condition that the PVC floor material and the inductive color-changing and light-emitting material are in a mutually fused state, the independence performance of the PVC floor and the performance ofthe inductive color-changing and light-emitting material can be achieved.

The invention provides a vehicle target detection method and system based on Rayview semantic segmentation adaptive fusion, a semantic segmentation method is adopted to segment a camera depth map and radar point cloud data, and an adaptive Rayview information fusion method PC-ARVF based on reflection points and confidence is provided. And fusing the depth segmentation image and a point cloud segmentation result, reconstructing a fused point cloud, and ensuring supplement and fusion of multi-source data. A single-stage target detection model CDA-SSD based on a central point, a distance and an angle is provided, a vehicle surrounding frame is drawn by means of a cylindrical region, a loss function of target position regression is designed, and the complexity of the vehicle detection model is reduced. Compared with a previous vehicle target detection method, the method is higher in accuracy and lower in complexity, and is of great significance to fusion of radar and video images and vehicle target detection.

The invention discloses a high-precision analog-to-digital converter fuse automatic burning system and method, and belongs to the technical field of digital-to-analog converters. An FPGA module receives a burning control signal sent by an upper computer through a USB-to-SPI controller and burning code stream data of each fuse in a fuse array arranged according to a preset sequence, generates a control instruction and sends the control instruction to a burning module, wherein the control instruction comprises a burning control signal, burning code stream data of a fuse array and a work controlsignal; the burning module comprises a trimming code burning circuit and an ADC chip to be burnt; the trimming code burning circuit receives the control instruction and forwards the control instruction to the ADC chip to be burnt; and the ADC chip to be burnt performs burning according to a burning control signal in the control instruction, enters a burning state, sends burning code stream data ofthe fuse array in the control instruction to a receiving pin of the ADC chip to be burnt according to bits, and each fuse is burned according to bits by the ADC chip to be burnt, so as to realize burning of the whole ADC chip fuse array to be burnt.

The invention discloses ferment liquid for pets to drink and a preparation method of the ferment liquid, and particularly relates to a compound fruit and vegetable stock solution prepared from the following raw materials of apples, bananas, pitayas, black Chinese wolfberries, lemons and onions. The preparation method comprises the following steps of performing filtering, then blending and adding oligosaccharide, vitamins, honey and the like, performing homogenizing, and then performing subpacking so as to prepare the ferment liquid. The fruit and vegetable ferment liquid is high in vitality ofvarious extracellular enzymes, and reasonable in proportion of the components, the components are notable in synergistic effects, the internal metabolism can be obviously promoted, foods in intestines can be effectively decomposed, intestine garbage is eliminated, and beneficial microorganism flora in the intestines can be maintained. The production technology is simple and easy to operate, is suitable for industrialized production, and has favorable economic benefits and social benefits.

The invention relates to the technical field of shipbuilding, in particular to a method for automatically welding double wires through vertical-position fillet welding. The method is mainly applied to welding through a vertical-position fillet welding joint in the shipbuilding industry (and other steel structure industries), and the middle plate thickness range and the assembly clearance of the vertical-position fillet welding joint reach 10-20 mm and 0-5 mm correspondingly. In the welding process, one vertical-position fillet weld is welded by adopting two welding guns simultaneously; the two welding guns are arranged in an upper-lower manner; the upper welding gun is responsible for backing welding, thereby guaranteeing the fusion of weld base points; the lower welding gun is responsible for swing and cosmetic welding, thereby guaranteeing the weld size and the good formation; and accordingly, a ship-structure vertical-position fillet weld of which the welding foot size is 10-14 mm can be welded efficiently and automatically, the man-hours for welding and grinding of the vertical-position fillet weld in the shipbuilding process as well as the labor intensity can be effectively reduced; and the welding efficiency and quality of the vertical-position fillet weld can be improved.

The invention aims at providing a bionic contour detection method based on color and gray feature fusion. The bionic contour detection method comprises the following steps of: A, inputting a to-be-detected image, carrying out the calculation of color features, extracting color components in the to-be-detected image, and carrying out filtering to obtain a filtering response value of each color component; B, calculating single antagonism response based on color features of each pixel point; C, calculating a color feature contour response value and a color feature optimal direction of each pixelpoint; D, performing gray processing on the to-be-detected image, and calculating gray features, namely, calculating a gray feature initial response value of each pixel point; E, calculating a classical optimal response value and an optimal gray feature direction of the gray feature of each pixel point; F, calculating a gray feature contour response value of each pixel point; G, calculating a final contour response value of each pixel point; H, and calculating a final contour value of each pixel point. The bionic contour detection method overcomes the defects in the prior art, and has the advantages of comprehensive operation feature and high contour recognition rate.

The invention discloses a caustic soda recycling device for chemical machinery. The caustic soda recycling device comprises a first tank body and a second tank body, wherein a feed pipe is arranged inside the first tank body; another feed pipe is fixed above the feed pipe; an auxiliary material pipe penetrates through the inner wall of the left side of the first tank body; a heating ring is arranged at the bottom of the interior of the first tank body, and a through pipe penetrates through the lower side of the right wall of the first tank body; a valve is arranged on the outer side of the through pipe; a partition plate is fixed on the inner wall of the second tank body; and the second tank body is positioned on the right side of the through pipe. According to the caustic soda recycling device for chemical machinery, due to the arrangement of the feed pipe, raw materials containing caustic soda can be smoothly added into the first tank body, and the materials are uniformly dispersed due to an inclined plate and a semicircular mesh arranged in the feed pipe, so that the materials are scattered; chemical reaction additives are introduced into the auxiliary material pipe and are usedfor reducing and purifying the caustic soda; and due to the arrangement of a first ring pipe, a second ring pipe and a third ring pipe, the addition range area of the additives is enlarged.

The invention discloses an image processing method, an image processing device and an electronic device, belongs to the field of image processing, and aims to solve the problem of poor imaging effectof shot images. The method comprises the following steps: acquiring M frames of images, wherein each frame of image in the M frames of images comprises a first moving object; obtaining target parameters of the first moving object in each frame of first image relative to the first moving object in the second image, wherein the target parameters comprise displacement and rotation amount; performingimage fusion on the M frames of images according to the first moving object and the target parameters to obtain a target image; wherein the first image is other images except the second image in the Mframes of images, and the second image is one frame of image in the M frames of images. The method is applied to the scene of shooting the motion blurred image.

The invention provides a method for preparing the silicon rubber inflatable bag material used for manufacturing an engine heat-insulating layer. Firstly, the crude rubber of the silicone rubber, the white carbon black, a constitution controlling agent, a heat-resistant additive, a strengthening agent, a vulcanizing agent and a coloring agent are successively added and compounded. After the compounding process, the rubber compound is stored for 24-48 hours and then compounded in the vacuum state. Finally, the obtained rubber compound is placed in a material cabin of an extruder to be extruded in the vacuum state. In this way, the material is prepared. The interior of the material prepared by the above method is free of any air defect and the density of the material can be improved to be 1.59-1.60 g / cm<3>. In this way, the adverse effect of air holes is thoroughly eliminated. The thickness deviation of the material is further reduced. The molded surfaces of silicon rubber inflatable bags prepared by the above material are stable in quality.

An electrosurgical instrument is disclosed having a jaw part composed of instrument branches which are movable towards each other and on each mutually facing side of which one or more electrode surfaces are arranged / formed, wherein the movement of the instrument branches relative to each other can be limited by at least one proximal spacer acting on proximal end portions of the instrument branches, at least one medial spacer acting on a medial portion, and at least one distal spacer acting on distal end portions of the instrument branches. According to the invention, the proximal and / or the distal spacer are made of electrically non-conductive material and the at least one medial spacer is composed of at least one electrode made of an electrically conductive material and connected electrically conductively to the electrode. Furthermore, the at least one medial spacer interacts with a local insulation component made of a non-conductive material, which insulation component is arranged in an electrically insulating manner on at least one opposite electrode.

The invention discloses a multifunctional absorbable artificial lamina comprising a lamina body. The lamina body is composed of a base body, an outer fixing piece and an inner fixing piece. The base body is of an arched structure, and the outer fixing piece and the inner fixing piece are arranged on two sides of the base body respectively. Autogenous bone fragments can be implanted above the base body. An upper margin and a lower margin are arranged at two ends of the base body respectively and are arc-shaped protrusions respectively. A first arc-shaped groove and a second arc-shaped groove are formed in the lower surface of the upper margin and the upper surface of the lower margin respectively. The second arc-shaped groove of the upper surface of the lower margin of a previous lamina body can be in seamless joint with the first arc-shaped groove of the lower surface of the upper margin of a next lamina body. A plurality of suture holes used for suturing are symmetrically formed in one sides, close to the base body, of the outer fixing piece and the inner fixing piece respectively. The multifunctional absorbable artificial lamina is proper in physical performance and mechanical strength, and can be widely applied to injury repairing of various structures such as rear sides, rear lateral sides and outer lateral sides of cervical vertebras, thoracic vertebras, lumbar vertebras and caudal vertebras.