33results about How to "Rapid perfusion" patented technology

The invention belongs to the technical field of medical apparatus and instruments, and in particular relates to a multi-purpose nasal biliary drainage tube. The multi-purpose nasal biliary drainage tube comprises a drainage tube section I, a drainage tube section II, a drainage tube section III, a drainage tube section IV, a drainage tube section V and a drainage tube section VI, wherein the drainage tube section I is of straight line type, the drainage tube section II is spiral, and a channel I in the drainage tube section II communicates with the drainage tube section I; the center of the drainage tube section III is bent, the formed angle alpha is 30-45 degrees, a channel III in the drainage tube section III communicates with the channel I, and a channel IV in the drainage tube sectionIII communicates with a channel II; the center of the drainage tube section IV is bent, the formed angle beta is 60-90 degrees, and the drainage tube section IV communicates with the channel III; thecenter of the drainage tube section V is bent, the formed angle gamma is 60-120 degrees, and a channel V of the drainage tube section V communicates with the channel III; the drainage tube section VIis of straight line type, a channel VII in the drainage tube section VI communicates with the channel V, and a channel VIII in the drainage tube section VI communicates with the channel VI. The multi-purpose nasal biliary drainage tube can be widely popularized and applied in the fields including endoscope treatment for the diseases including hepatobiliary and pancreatic diseases.

The invention relates to the medicine field, especially relates to a perfusion device, which can rapidly carry out connection and perfusion when obtaining a supplied liver in an organism (liver) transplant operation, and specifically relates to a supplied-liver quickly-fixed perfusion device for liver transplant. The perfusion device comprises a puncture guiding device and a connecting ring for connecting a perfusion pipe. The puncture guiding device is a puncture steel wire, a contractible and magnetic ring is arranged on the top end of the steel wire, the top end of the connecting ring is in a conical shape, the bottom of the connecting ring is connected to a perfusion pipe, a unidirectional valve is arranged in the bottom of the connecting ring, the top of the connecting ring is made of an iron-containing material, the top of the connecting ring is matched with the contractible ring, and the top of the connecting ring and the contractible ring absorb on each other through magnetic force. The operation of the device is simple, practicable, and pertinent. The device is mainly used to carry out rapid perfusion when obtaining a supplied liver in a liver transplant operation, and is capable of rapidly and effectively performing liver perfusion so as to obtain a high quality liver.

The invention relates to the medicine field, especially relates to a perfusion device, which can rapidly carry out connection and perfusion when obtaining a supplied liver in an organism (liver) transplant operation, and specifically relates to a supplied-liver quickly-fixed perfusion device for liver transplant. The perfusion device comprises a puncture guiding device and a connecting ring for connecting a perfusion pipe. The puncture guiding device is a puncture steel wire, a contractible and magnetic ring is arranged on the top end of the steel wire, the top end of the connecting ring is in a conical shape, the bottom of the connecting ring is connected to a perfusion pipe, a unidirectional valve is arranged in the bottom of the connecting ring, the top of the connecting ring is made of an iron-containing material, the top of the connecting ring is matched with the contractible ring, and the top of the connecting ring and the contractible ring absorb on each other through magnetic force. The operation of the device is simple, practicable, and pertinent. The device is mainly used to carry out rapid perfusion when obtaining a supplied liver in a liver transplant operation, and is capable of rapidly and effectively performing liver perfusion so as to obtain a high quality liver.

The invention relates to a paint color matching method. The paint color matching method comprises the following steps: firstly, putting a material carrying barrel on a conveying line; secondly, conveying the material carrying barrel below a weight metered color paste distributor, and filling the color paste according to 95 to 98 percent of the preset total weight ratio of the color paste by using the weight metered color paste distributor; thirdly, conveying the material carrying barrel below a volume metered color paste distributor, and filling the color paste according to 2 to 5 percent of the preset total weight ratio of the color paste by using the volume metered color paste distributor; fourthly, filling the paint into the material carrying barrel below a weight metered basic paint distributor; and fifthly, performing a cover sealing process on the material carrying barrel, and performing a uniformly mixing process in the material carrying barrel. The invention also discloses an on-line paint color matching system. The paint color matching method and the on-line paint color matching system have the beneficial effects that 1, the advantages of quick filling, precise filling and the like are realized by utilizing the weight metered color paste distributor and the volume metered color paste distributor, and the color paste color difference proportional error is extremely small; 2, sewage is not discharged during the filling process, and the environment-friendly production requirements are met.

This invention relates to a kind of new liquid perfusion method and its specific liquid slot, the method is that drip the prepared liquid in to the improved liquid slot, pumps vacuum to get rid of the froth, when the degree of the vacuum reaches the request, rises the liquid slot, and it stops when it touch the glass seal of the empty box, open the heater in the liquid slot to heat the liquid, open the air intake in side of the liquid slot when it reach a certain degree, to make the cold low temperature blow to the surface of the liquid in short distance, to restrain the volatilization of the liquid when the temperature is high. The liquid in high temperature in the seal of the empty box pours in the liquid box in very low viscosity, so it can avoid the breakage of the directional layer round the seal, improves the pour effect of the liquid efficiently.

The invention provides a refrigeration device and a maintenance method thereof. The refrigeration device comprises a first container, a pipeline, a switch module, a second container, a third container and a temperature sensor, wherein a pressurizing module is arranged on the first container, fluid for refrigeration is contained in the first container, the pipeline is used for being communicated with the outlet end of the first container and the inlet end of the second container, the switch module is arranged on the pipeline, the outlet end of the second container is communicated with the inlet end of the third container, a detector is arranged on the third container, and the temperature sensor is arranged in the third container and suspended. The refrigeration device has the advantages of being safe and automatic, achieving unattended operation, saving cost and the like.

The invention belongs to the technical field of bored pile foundation construction in infrastructure construction projects such as buildings, highways, railways and municipal construction, and specifically relates to a drilling and grouting integrated device for treating relatively thick sediment after pile formation. The device includes hole sweeping devices and a grouting pipe assembly. The holesweeping devices are arranged on the upper part of the grouting pipe assembly. The hole sweeping devices comprise the upper hole sweeping device and the bottom hole sweeping device, the upper hole sweeping device is arranged on the upper part of the bottom hole sweeping device, the upper hole sweeping device comprises an upper drill rod part, upper sweeping holes and an upper hole sweeping wire rope, a coupling is fixedly connected with the upper drill rod part, and the upper sweeping holes are evenly distributed in the upper drill rod part; the bottom hole sweeping device comprises a bottomdrill rod part, a clamping piece and a bottom hole sweeping wire rope, the bottom hole sweeping wire rope is fixed to the bottom drill rod part, the bottom hole sweeping wire rope is fixedly connectedwith the bottom drill rod part through the clamping piece, the bottom drill rod part is arranged on the lower part of the upper drill rod part, the clamping piece is arranged on a lower drill rod part, and the two ends of the clamping piece are welded and fixed to the side wall of the lower drill rod part. The device is simple to manufacture and convenient to use, the risk of handling again afterblind grouting due to poor cleaning of the sediment at the bottom of the pile foundation is greatly reduced, and the pile foundation quality defects are treated in one step.

The invention provides a cement perfusion apparatus for construction machinery. The cement perfusion apparatus for the construction machinery comprises a pouring port, a motor, a perfusion box, a fixed bracket, a gas pressurizing pump, a control switch, a pressurizing pipe, a connecting pipe, a perfusion pipe, a spiral rod, a fixed plate and a bearing, wherein the upper end surface of the perfusion box is provided with the motor, the left side of the perfusion box is provided with the pouring port, the right end surface of the perfusion box is fixedly provided with the fixed bracket, the spiral rod is installed on the middle position inside the perfusion box, the lower end surface of the spiral rod is provided with the bearing, the lower end surface of the perfusion box is provided with the connecting pipe, the fixed plate is installed at the inner lower side of the connecting pipe, the left end surface of the connecting pipe is connected with the perfusion pipe, the right end surfaceof the connecting pipe is connected with a pressurizing pipe, the upper end surface of the pressurizing pipe is provided with the gas pressurizing pump, and the front end surface of the fixed bracketis provided with the control switch. By adopting the cement perfusion apparatus for the construction machinery, the problems of poor perfusion effect of the original cement perfusion apparatus for theconstruction machinery can be solved. The cement perfusion apparatus for the construction machinery is reasonable in structure, convenient in use and good in perfusion effect.

The invention relates to a full-automatic UV glue filling machine and a working method thereof. The full-automatic UV glue filling machine comprises a glue storage tank and a conveying mechanism, the glue storage tank is arranged over the conveying mechanism used for conveying UV glue bottles, and the full-automatic UV glue filling machine is characterized in that a glue outlet barrel is installed at an output port at the lower end of the glue storage tank, and a first motor is arranged at one side of the glue outlet barrel; a glue injection mechanism is installed at the lower portion of the periphery of the other side of the glue outlet barrel, mechanical arms are arranged at the two sides of the glue storage tank, three hydraulic push rods are arranged in the middle of the inner side of the conveying mechanism, and the UV glue bottles are limited through a multiple limiting structure composed of a limiting lantern ring, a limiting piece, a supporting sleeve, a limiting sleeve, a limiting column and a positioning block; and the arrangement of supporting blocks is changed through rapid disassembly and assembly, so that the supporting blocks correspond to different numbers of UV glue bottles on the supporting plates, quantitative UV glue is conveyed to a glue injection pipe through a glue injection auger, the UV glue bottles are prevented from being damaged, and therefore the UV glue in each UV glue bottle is rapidly, stably and accurately filled.

The invention provides a preparation process of erection-assisting repair paste. The preparation process comprises the following steps: 1) raw material preparation: a group A: water, glycerol, methyl ester, butanediol, hyaluronic acid and carbomer 940; a group B: white oil, 350 silicone oil and A-165; and a group E: a ligusticum wallichii extract and a pseudo-ginseng extract. The pseudo-ginseng extract which is adopted in the E group of raw materials of the erection-assisting repair paste has the effects of activating blood, stopping bleeding, improving coronary microcirculation, resisting inflammation, resisting fatigue, easing pain and regulating immunity, can improve the health-care effect of the erection-assisting repair paste, and has an auxiliary treatment effect on sexual dysfunction. An angelica sinensis extract is also adopted in the E group of raw materials of the erection-assisting repair paste, and can expand skin capillary vessels, accelerate blood circulation and quickly fill cavernous bodies with blood, so that the erection-assisting repair paste has an auxiliary treatment effect on sexual dysfunction through the angelica sinensis extract. Moreover, the erection-assisting repair paste is applied in an external application manner, so that risks caused by oral administration and local medicine injection are avoided.

The invention relates to a microneedle chip and a preparation method thereof. The method comprises the following steps: pouring a fluid needle body liquid into a female mold, and the female mold is provided with several The matched cavity forms a cavity array. One side surface of the female mold is provided with a plurality of pouring inlets, and the other side surface is provided with a plurality of exhaust ports to form an exhaust surface; and on the exhaust surface of the female mold Cover the air-permeable film, and when pouring, let the gas permeate the air-permeable film to keep the liquid in the cavity; after the liquid of the fluid needle body is solidified to form a microneedle chip, it is demolded to obtain the product. Since the exhaust port cooperates with the air-permeable membrane, it can discharge gas while trapping liquid, and has better micro-perfusion effect. In the technical process of the preparation method, there is no need to perform centrifugation and other difficult-to-achieve processes in industrial production, and it is not necessary to use high-pressure or high-temperature technical means with high industrialization costs. The preparation method has the advantages of simplicity and low cost, and is suitable for Industrialized promotion and use.

The invention discloses a process for filling colloid into a storage battery. The process comprises the following steps of: a) exchanging heat, namely, performing heat exchange on a colloidal electrolyte until the temperature of the colloidal electrolyte is between 0 and 45 DEG C and preserving heat; b, shearing, namely, shearing the colloidal electrolyte by using a shearing machine; and c) vacuumizing and filling, namely, vacuumizing the storage battery for 1 to 5 times and filling the sheared colloidal electrolyte into the storage battery. The colloidal electrolyte is subjected to heat exchange until a preset temperature is reached and then sheared by a stator grid, the viscosity of the colloidal electrolyte is reduced to an appropriate colloid filling range and the sheared colloidal electrolyte is quantitatively filled into the storage battery through a vacuumizing system. The performance of the storage battery is improved, electrolyte stirring time is short and a filling process is rapid and convenient.

The invention relates to a gypsum slurry stirring and pouring device, which comprises a stirring module and a pouring module, the stirring module comprises a stirring container and a stirring mechanism, the pouring module comprises a tubular container, a connecting pipe, a pressurizing mechanism and a liquid outlet, the bottom of the stirring container is communicated with the lower tubular container through the connecting pipe, and the pressurizing mechanism is mounted in the tubular container, the pressurizing mechanism comprises a first bearing, a second bearing, a spiral shaft and a first motor, the first bearing is located at the closed end of the tubular container, the second bearing is located at the open end of the tubular container, and one end of the spiral shaft is connected with the first bearing while the other end penetrates the second bearing to be connected with the first motor. Compared with the prior art, gypsum powder and water are mixed through the stirring module to generate the gypsum slurry, so that the gypsum slurry is convenient and rapid to prepare; gypsum slurry can be injected between lining cloth of a novel gypsum device through the pressurizing mechanism, rapid pouring is achieved, and the pouring quality is ensured.

The invention provides a multi-filling-port sausage filling device and a sausage filling method, the device comprises a tank body, a feeding mechanism and a plurality of filling ports are arranged on the tank body, an electromagnetic valve is arranged at each filling port, a stirring mechanism is arranged in the tank body, the stirring mechanism comprises a lead screw coaxially arranged with the tank body, a first stirring blade is arranged at the lower part of the lead screw, a pressing plate is arranged on the lead screw in the radial direction, and second stirring blades are arranged on the pressing plate; the method comprises the following steps: adding materials through the feeding mechanism, starting the stirring mechanism, vacuumizing the interior of the tank body, putting casings in place at the filling port, and starting the electromagnetic valve for sausage filling; and after the single casing is filled, closing the electromagnetic valve. By adopting the sausage filling equipment provided by the invention, at least five sausages can be conveniently and synchronously filled while the meat is fully stirred, and the problem that the meat is retained at the edge part of the inner cavity of the tank body does not exist.

The invention discloses a fast perfusion device for a liver donor during liver transplantation, which comprises a perfusion tube, a fixed sleeve, a fixed shaft, a toothed knob, a spacer sleeve, an adjustment block, a penetrating wire, a one-way valve I, an injection ball, II One-way valve, connecting hose, interface end, telescopic connecting tube, shunt tube, and separation plate, first of all, through the innovative design of built-in plug-in shunt balance chamber, it can avoid the insufficient perfusion of left and right livers, and cooperate with the telescopic cone The tip of the shunt is sharp, which can not only quickly pierce the blood vessel wall and open up the blood vessel, but also can retract to avoid the continuous existence of the sharp tapered end, which improves the safety of the operation. In addition, the front end of the shunt tube is designed in a hole shape, which is convenient for perfusion The liquid flows into the liver quickly, and combined with the one-way liquid injection mechanism, it avoids the reflux situation and ensures the liquid injection effect. Promote apps.

The invention discloses a process for filling colloid into a storage battery. The process comprises the following steps of: a) exchanging heat, namely, performing heat exchange on a colloidal electrolyte until the temperature of the colloidal electrolyte is between 0 and 45 DEG C and preserving heat; b, shearing, namely, shearing the colloidal electrolyte by using a shearing machine; and c) vacuumizing and filling, namely, vacuumizing the storage battery for 1 to 5 times and filling the sheared colloidal electrolyte into the storage battery. The colloidal electrolyte is subjected to heat exchange until a preset temperature is reached and then sheared by a stator grid, the viscosity of the colloidal electrolyte is reduced to an appropriate colloid filling range and the sheared colloidal electrolyte is quantitatively filled into the storage battery through a vacuumizing system. The performance of the storage battery is improved, electrolyte stirring time is short and a filling process is rapid and convenient.

The invention discloses an insulating material vacuum encapsulation device and method for a traveling wave tube heater assembly, and belongs to the field of sealing and filling processes of solid-liquid mixed materials. The insulating material vacuum encapsulation device for the traveling wave tube heater assembly comprises an organic glass bell jar, and the organic glass bell jar comprises an upper cover and a lower cover; and a sealing rubber ring is arranged between the contact surfaces of the upper cover and the lower cover, an exhaust port is formed in the bottom of one side of the lower cover, the exhaust port is connected with a vacuum pump through a rubber pipe, a template clamping groove is formed in the lower cover, and a sample placing template is clamped and fixed in the template clamping groove. The device is simple in structure, low in cost and easy to operate, and the heater assembly mold material is easy to obtain and easy to design and manufacture. And synchronous densification treatment of multiple and various heater assembly fillers can be realized through cooperative use of the two, so that the production efficiency is improved.

A hybrid endoprosthetic device comprises a stented tubular part and a branched tubular body connected such that a main lumen of the stented tubular part communicates with a main lumen of the branched tubular body. The branched tubular body has multiple branch lumens for connection with natural vessels of the vasculature, and includes at least one branch lumen for access to facilitate delivery and implantation of the hybrid endoprosthetic device by an endovascular step in a hybrid surgical procedure. The hybrid endoprosthetic device is configured to replace a part of the aorta and common iliac artery. A delivery system for use with the device is also disclosed.

The invention relates to a gypsum slurry stirring and perfusion device. The gypsum slurry stirring and perfusion device comprises a stirring module and a perfusion module connected in a vertical direction; the stirring module includes a stirring container and a stirring mechanism; the stirring mechanism is installed in the stirring container; the perfusion module includes a perfusion container, a connecting pipeline, a pressurizing mechanism and a liquid outlet guide pipe; a bottom inner cavity of the stirring container is a cambered surface; the cambered surface is connected with the perfusion container below the stirring container through the connecting pipeline; the pressurizing mechanism is connected with one end of the perfusion container; the liquid outlet guide pipe is connected with the other end of the perfusion container; and a switch valve is arranged in the connecting pipeline. Compared with the prior art, the gypsum slurry stirring and perfusion device has the advantage that gypsum powder and water are mixed by the stirring module to generate gypsum slurry, so that the gypsum slurry is made conveniently and rapidly; through the vertical structural design of the stirring module and the perfusion module, the generated gypsum slurry automatically enters the perfusion module; and the gypsum slurry can be injected between lining cloth of a novel gypsum device through the pressurizing mechanism, so that rapid perfusion is realized, and the perfusion quality is guaranteed.

The invention discloses a pile foundation construction pouring device. The pile foundation construction pouring device comprises a water blocking pipe, wherein a plurality of elastic pieces are connected to the outer side of a water blocking pipe body; the elastic pieces are connected with movable baffles; the movable baffles are connected with movable blocks; a plurality of baffles are arranged between the movable blocks; a plurality of immersion pipes are arranged below the water blocking pipe; a plurality of conveying pipes are arranged above the water blocking pipe; air pipes are clamped in the side face connection of the water blocking pipe, the immersion pipes and the conveying pipes; air bags are arranged at the lower ends of the air pipes; air pressure meters are arranged at the upper ends of the air pipes; vibration rods are arranged in the conveying pipes; conveying rods are arranged on the two sides of the conveying pipe body; steel reinforcement cage conveying arms are arranged on the vibration rod conveying rods; and a steel reinforcement cage rapid connecting device is further included. According to the device, a steel reinforcement cage can be connected and placed during pouring, a water blocking plug does not need to be consumed, the concrete ascending speed can be automatically adjusted, the immersion depth of a guide pipe does not need to be measured, and concrete is not prone to being accumulated in the guide pipe.

The invention discloses a microchannel plastic film injection method and a microchannel plastic film injection machine. According to the microchannel plastic film injection method, the pressure difference technology formed by combining high pressure and vacuum is adopted, one end of a microchannel plastic film is arranged in liquid to be injected in a high pressure container, the other end of the microchannel plastic film is arranged in an empty cup of a vacuum container, under the combined pressure difference of the high pressure and the vacuum, and totally-enclosed injection of the microchannel plastic film is achieved. An injection process comprises four main procedures of high pressure end preparation, vacuum end preparation, high pressure injection and vacuum injection. The microchannel plastic film injection machine comprises a rack, a vacuum container cavity, a vacuum container sealing door, a vacuum container sealing piece, a connecting frame, a high pressure container cavity, a high pressure container sealing door and a high pressure container sealing piece. According to the microchannel plastic film injection method and the microchannel plastic film injection machine, the liquid is sealed in the high pressure container and the vacuum container and cannot be volatilized in the atmosphere, therefore, even if toxic and harmful liquid is injected, the pollution to the atmosphere cannot be caused, and environmental friendly injection is achieved.

The invention provides a refrigeration device and a maintenance method thereof. The refrigeration device comprises a first container, a pipeline, a switch module, a second container, a third container and a temperature sensor, wherein a pressurizing module is arranged on the first container, fluid for refrigeration is contained in the first container, the pipeline is used for being communicated with the outlet end of the first container and the inlet end of the second container, the switch module is arranged on the pipeline, the outlet end of the second container is communicated with the inlet end of the third container, a detector is arranged on the third container, and the temperature sensor is arranged in the third container and suspended. The refrigeration device has the advantages of being safe and automatic, achieving unattended operation, saving cost and the like.

The invention relates to an anti-aging polyurethane material, a preparation method and application. The anti-aging polyurethane material comprises a polyol composition and an isocyanate prepolymer, wherein the polyol composition comprises the following components by weight: 55-70% of bisphenol A / polyoxyalkylene, 20-35% of polyoxyalkylene alcohol, 2-8% of a low molecular alcohol compound, 0.2-0.7% of an impregnating compound, 5-10% of an oxazolidine compound, 0.1-0.5% of a defoaming agent and 0.05-0.2% of a catalyst, the isocyanate prepolymer comprises the following components in percentage by weight: 85-95% of isocyanate and 5-15% of polyether amine, and further comprises a polymerization inhibitor accounting for 0.01-0.03% of the total weight of the isocyanate and the polyether amine. Theanti-aging polyurethane material has relatively high heat aging resistance and damp-heat aging resistance.

The invention discloses a pouring device for pile foundation construction, which includes a water blocking pipe, a plurality of shrapnels connected to the outside of the water blocking pipe body, the shrapnels are connected to a movable baffle, the movable baffle is connected to a movable block, the movable There are a plurality of baffles between the blocks, several immersion pipes are installed below the water blocking pipe, and several transmission pipes are installed above the water blocking pipe, and air pipes are clamped in the side connections of the water blocking pipe, immersion pipe and transmission pipe. An air bag is installed at the lower end of the trachea, a barometer is installed at the upper end of the trachea, a vibrating rod is installed inside the transmission pipe, conveying rods are installed on both sides of the conveying pipe body, and a steel cage is arranged on the conveying rod of the vibrating rod to convey The arm also includes a quick connection device for the steel cage; the invention can connect and place the steel cage at the same time as pouring, does not need to consume water blocking plugs, can automatically adjust the concrete rising speed, does not need to measure the immersion depth of the conduit, and the concrete is not easy inside the conduit accumulation.

This invention relates to a kind of new liquid perfusion method and its specific liquid slot, the method is that drip the prepared liquid in to the improved liquid slot, pumps vacuum to get rid of thefroth, when the degree of the vacuum reaches the request, rises the liquid slot, and it stops when it touch the glass seal of the empty box, open the heater in the liquid slot to heat the liquid, open the air intake in side of the liquid slot when it reach a certain degree, to make the cold low temperature blow to the surface of the liquid in short distance, to restrain the volatilization of theliquid when the temperature is high. The liquid in high temperature in the seal of the empty box pours in the liquid box in very low viscosity, so it can avoid the breakage of the directional layer round the seal, improves the pour effect of the liquid efficiently.

The invention discloses a bile-pancreatic drainage tube with a stone balloon, comprising an internal and external biliary drainage tube with the stone balloon and an internal pancreatic drainage tube,which is characterized in that the bile-pancreatic drainage tube with a stone balloon comprises a tube cap connected sequentially with the lumen, a drainage tube section I, a drainage tube section II, a drainage tube section III, a drainage tube section IV, a drainage tube section V, a drainage tube section VI, a drainage tube section VII and a drainage tube section VIII. The drainage pipe section II is linear, and the outer wall of the drainage pipe section II is connected with a balloon film I in sleeve; and the drainage pipe section V is linear, and the outer wall of the drainage pipe section V is connected with a balloon film II in sleeve. The balloon film I and the balloon film II on the drainage pipe section II and drainage pipe section V of the bile-pancreatic drainage tube with the stone balloon have the advantage of anti-slippage. The size of the balloon film I and the balloon film II is variable (0.5-2.0 cm), which is suitable for bile ducts of various diameters. When residual stones are found in the common bile duct by cholangiography, a filling balloon film I can drag the residual stones into the duodenum.

The invention discloses a plate for making wind turbine blades, a wind turbine blade spar cap structure and a preparation method, and relates to a rotor blade for a wind turbine. The plate is made of fiber materials and curable materials, and its upper surface and / or lower surface There are stripping grooves along the length of the sheet. The pultruded sheet has two side structures on both sides of the stripping groove. Each side structure is provided with at least one stripping groove for connecting adjacent sheets. The drainage groove and the blade spar cap structure are mainly made of stacked plates and cured by resin. By using the release cloth groove on the board as a channel for resin flow, there is no need to make grooves on the board by grinding in the later stage, so that the fibers near the surface of the board will not break and will not affect the structural strength of the board; through the side of the board Drainage grooves are arranged on the side, so that the resin can enter between the plate layer structures from the side of the plate, which is conducive to the rapid infusion of the resin and can reduce the number of air cavities between the plate layers.