87 results about "Adhesion prevention" patented technology

The invention discloses a preparation method of an in-situ gelation collagen-based biological patch, which comprises the following steps: generating hydrogel in situ on the surface of an acellular matrix material and among internal fiber gaps by introducing various chemical reactivity of dopamine / polydopamine, and combining a hydrogel system and the acellular matrix material into one to construct the in-situ gelation biological patch. The material effectively improves the mechanical support effect, drug loading and cell growth promotion of defective tissues, also has the tissue repair functions of healing promotion, adhesion prevention, infection resistance and the like, and can be widely used for functional modification of acellular matrix materials.

The utility model relates to a hot cutting device for woven bag processing, which aims to solve the technical problem that the existing hot cutting device for woven bag processing is difficult to clean the adhered objects adhered to the surface of the cutting edge of a cutter, and comprises a hot cutting machine, the hot cutting machine comprises a box body, a feeding mechanism is arranged at one end of the box body, and a lifting mechanism is arranged in the middle of the box body. A cutter is arranged at the output end of the lifting mechanism, a heating rod penetrates through the cutter, and a discharging mechanism is arranged at the other end of the box body; the cleaning mechanism is arranged on one side of the cutter; the motor drives the lead screw to rotate, the lead screw drives the mounting box to move, the mounting box drives the V-shaped scraper to move along the cutter, and blades on the two sides of the V-shaped scraper are tangent to the two sides of a blade of the cutter respectively to scrape off adhering objects on the surfaces of the two sides of the blade of the cutter. And the scraped adhesion objects fall into the collecting box through the guide groove and the through groove, so that the adhesion objects can be conveniently collected, and the adhesion objects are prevented from falling on the woven bags to affect cutting of the woven bags.

The invention discloses a hemodialysis central venous catheter with an anti-adherence assembly, and relates to the technical field of hemodialysis, the hemodialysis central venous catheter comprises a double-cavity central venous catheter body, the outer end of the double-cavity central venous catheter body is connected with a connector, the upper end of the connector is connected with a blood outlet pipe and a blood inlet pipe, and the blood outlet pipe and the blood inlet pipe are connected with an anti-adherence assembly. The blood outlet pipe is connected with the blood inlet end of the hemodialysis instrument, and the blood inlet pipe is connected with the blood outlet end of the hemodialysis instrument. The blood outlet and the blood inlet of the central venous catheter are formed in the front end of the central venous catheter, the situation that the side edge of the blood outlet is prone to being attached to the wall to affect the bleeding amount is avoided, meanwhile, the wall attachment preventing assembly is arranged at the end of the central venous catheter, and a gap is formed between the end of the central venous catheter and the blood vessel wall; and the phenomenon that the central venous catheter adheres to the wall is further prevented, so that bleeding and blood inflow of the central venous catheter are guaranteed, and the dialysis effect of a patient is improved.

The utility model relates to the technical field of lead ingot production equipment, and discloses an online spraying lead ingot adhesion prevention device which comprises a hanging bracket, a first base plate located below the hanging bracket, a second base plate located below the first base plate and an atomization cooling mechanism. A lifting mechanism for driving the first base plate to do lifting motion along the lifting frame and a translation mechanism for driving the first base plate to do horizontal motion along the lifting frame are arranged on the lifting frame, a rotating mechanism for driving the second base plate to rotate along the rotating mechanism is arranged on the first base plate, and a lead ingot clamping mechanism is arranged on the second base plate; the atomizing nozzle is connected with the atomizing water pipe and located at the bottom of the second base plate. The atomizing nozzle is directly mounted on the second substrate, cooling water is directly sprayed on the surface of the lead ingot to realize rapid cooling, the problem of adhesion of the lead ingot in stacking is avoided, the mode is more direct and rapid, the consumption of the cooling water is less, resources are saved, and the water accumulation phenomenon is avoided.

The utility model discloses noodle adhesion prevention equipment for noodle processing, and relates to the technical field of noodle processing. The flour sticking device comprises a box body, a flour storage box is fixedly connected to the top of the box body, a collecting box is connected to the front face of the box body in an inserted mode, a baffle is hinged to the front face of the box body, guide plates are installed on the left side and the right side of the inner wall of the box body, and the flour sticking device further comprises a flour sticking part installed in the center of the interior of the box body. The flour sticking part is used for sticking dry flour to the noodles; and the flour scattering part is mounted at the bottom of the flour storage box. The vibrating assembly is arranged, specifically, in the noodle conveying process, the motor is started to drive the oval roller to rotate, at the moment, the oval roller can drive the flour sticking frame to move upwards and downwards in a reciprocating mode, and therefore the noodles are bumped, scattered flour can be better attached to the noodles, the flour sticking frame can remain the flour, and the flour sticking frame is convenient to use. And the flour can be in better contact with the noodles.

The invention discloses an anti-sedimentation well lid lifting device and a construction method thereof, and relates to the technical field of municipal engineering construction equipment. According to the device, through cooperation of the tripod body, the hand winch, the fixed pulley and the multi-hook assembly, the problems that an existing lifting device is unstable in well lid lifting and dislocated in lowering can be solved, stable lifting is ensured, and construction safety and efficiency are improved. According to the method, through elevation pretreatment, adhesion prevention and accurate filling and rolling, smooth connection of the well lid and the road surface is ensured, the problem of sedimentation of the area below and around the well lid can be solved, the compactness of asphalt around the well is improved, sedimentation is reduced, and the road construction quality is guaranteed.

The invention discloses a gynecological vagina surgery forming mold which is of a petal-shaped hollow six-valve structure, is made of medical-grade silica gel or high-molecular polymer and supports individualized size customization. The top center hole is convenient for postoperative examination, the bottom base provides stable support, and the device has the advantages of adhesion prevention, shaping, easy disinfection and the like. The postoperative recovery effect can be remarkably improved, and the complication risk is reduced.

The utility model relates to a waterproof and breathable masking paper composite adhesive tape which comprises a reel and an adhesive tape body, the adhesive tape body is of a four-layer structural design and comprises an anti-sticking layer, a base material layer, a waterproof and breathable layer and an adhesive layer which are sequentially connected from the outer layer to the inner layer, the manufacturing process of the adhesive tape is simplified, and the production efficiency is improved; the anti-sticking layer comprises polytetrafluoroethylene and a titanium dioxide / graphene coating and is used for improving the anti-sticking effect and the ultraviolet-proof performance of the adhesive tape; the waterproof breathable layer comprises expanded polytetrafluoroethylene and nanofibers and is used for improving the waterproof and breathable performance of the adhesive tape and ensuring that the stable effect can be kept in various environments; the adhesive layer comprises polyurethane, a water-based acrylic pressure-sensitive adhesive and an organic silicon modifier, and nano silicon dioxide is uniformly distributed in the water-based acrylic pressure-sensitive adhesive; the adhesive force of the adhesive tape can be improved, cohesive strength is enhanced, weather resistance is improved, aging is delayed, degumming and wiredrawing phenomena are reduced, adhesive residues are reduced, and use experience is improved.

The application discloses a material for preventing tissue adhesion and hemostasis and a preparation method thereof, and relates to the technical field of medical biomaterials.The carboxymethyl cellulose, chitosan and vancomycin / ceftazidime are synergistically matched, so that the three functions of hemostasis, adhesion prevention and antibiosis are integrated;meanwhile, the water absorption and gelation of the carboxymethyl cellulose and the blood coagulation activation of the chitosan can jointly strengthen the hemostasis effect; the tissue barrier function of the chitosan and the gel isolation of the carboxymethyl cellulose can jointly improve the adhesion prevention performance; the broad-spectrum antibiosis of the vancomycin and the ceftazidime can respond to the infection risk in different surgical scenes; the material preparation process is simple, the dosage form can be adjusted according to different surgical scenes, the material has good biocompatibility and can be completely degraded, the problem that the existing medical materials have single function and are difficult to meet the needs of complex surgical wounds is solved, and the material has significant clinical application value.

The utility model provides a material taking mechanism with a paperboard adhesion prevention function and a box folding device, the material taking mechanism with the paperboard adhesion prevention function comprises a feeding assembly and a guiding and separating assembly, and the guiding and separating assembly is arranged on the side portion of the feeding assembly; the guide separation assembly comprises guide limiting plates and scraping limiting blocks, the scraping limiting blocks are arranged on the upper portions of the guide limiting plates, the guide limiting plates are arranged at the first end of the paperboard stack and the second end of the paperboard stack, and the scraping limiting blocks are located on the upper portion of the paperboard stack; the distance between the two faces, facing each other, of the two edge scraping limiting blocks is smaller than the distance between the first end and the second end of the paperboard stack. According to the material taking mechanism with the paperboard adhesion prevention function, normal and continuous material taking of paperboards can be achieved, the adhered paperboards can be separated, it is guaranteed that only one paperboard exists during material taking every time, the situation that equipment cannot normally operate due to fault shutdown is avoided, production continuity and efficiency are guaranteed, manual auxiliary intervention is not needed, and the automation rate is increased.

To provide an elevator door device capable of preventing adhesion of abrasion powder of an endless belt to a door rail and a roller of a door part.SOLUTION: The present invention includes: a door rail; a door part having a door panel and a roller and configured to move in an opening / closing direction by the roller rolling on the door rail; a door drive part configured to drive the door part; and an adhesion prevention part extending in the opening / closing direction. The door drive part includes a motor part configured to drive and rotate a drive pulley, a driven pulley which is disposed spaced apart from the drive pulley in the opening / closing direction, and an endless belt that is wound around the drive pulley and the driven pulley, and to which the door part is connected. The door rail is located below the drive pulley when viewed from the opening / closing direction. The adhesion prevention part is disposed between the drive pulley, and the door rail and the roller when viewed from the opening / closing direction, and disposed at a position corresponding to the drive pulley in the opening / closing direction.SELECTED DRAWING: Figure 2

The invention discloses a preparation method of anti-adhesion particles. The invention belongs to the technical field of biomedical materials. The raw materials used in the invention are all biocompatible materials, and inflammatory reaction and toxic residue are avoided through a natural cross-linking agent and non-toxic solvent system; through the synergistic effect and cross-linking treatment of the carboxymethyl cellulose, the chitosan and the polylactic acid, the particles can maintain the anti-adhesion effect for 7-14 days in vivo, and the key adhesion prevention period after soft tissue and urinary surgery is covered; the particles have flexibility, antibacterial property and urine corrosion resistance, can be used for preventing adhesion of soft tissue postoperative wounds, and can also be used for preventing adhesion of urinary surgical operation sites and modifying instrument surfaces; the low-temperature spray drying and gamma-ray sterilization process ensures the activity of the raw materials and the sterility of the product, the process parameters are easy to control, the method is suitable for industrial production, and the production cost is reduced compared with the existing like products.

To securely remove sheet-shaped nonconductive flexible substrate materials one by one.SOLUTION: A sheet-shaped nonconductive flexible substrate material conveyance apparatus comprises a sheet conveyance part, a static elimination ion generation part, and a storage part. Plural sheet-shaped nonconductive flexible substrate materials and insertion nonconductive sheets are stored in the storage part so as to be stacked alternately in a sheet-like manner. The sheet conveyance part comprises a holding part for holding the upper faces of the sheet-shaped nonconductive flexible substrate materials and the insertion nonconductive sheets. In each insertion nonconductive sheet, recessed parts or projecting parts are formed at least at one side face facing the static elimination ion generation part, or plural through holes passing through each flat face of each insertion nonconductive sheet are formed. The static elimination ion generation part blows a static elimination ion-containing gas toward the sheet-shaped nonconductive flexible substrate materials or the insertion nonconductive sheets arranged at the upper face of the storage part to eliminate static electricity, and thereafter, the sheet conveyance part conveys the static-eliminated sheet-shaped nonconductive flexible substrate materials or insertion nonconductive sheets.SELECTED DRAWING: Figure 2

To prevent unwanted scarring after surgery.SOLUTION: A biocompatible membrane comprising alginate and hyaluronate is provided. The membrane may be used to prevent unwanted scarring after surgery. The tissue adherence and the rate of bioresorption of the membrane may be modified through an external stimulus comprising a sequestering agent and a viscosity modifier.SELECTED DRAWING: None

The present invention relates to the technical field of freezing and adhesion prevention of rollers. Disclosed is a device for preventing freezing and adhesion of rollers in alpine regions, which aims to solve the problem that rollers are prone to freezing and adhesion when conveyor belts are used in alpine regions. The present invention comprises a conveying device, the conveying device comprising two transmission rollers for driving a belt to rotate; a circulation channel is provided inside each transmission roller, and two ends of the two circulation channels are respectively communicated by means of circulation pipes; the circulation pipes and the circulation channels are filled with a hot medium; the circulation pipes are rotatably connected to the transmission rollers, and the circulation pipes are fixedly connected to the conveying device.

This invention discloses an anti-material adhesion mechanism and a chain-type sorting machine, relating to the field of sorting equipment technology. The invention includes a conveying unit and an anti-material adhesion mechanism, with several paddle units corresponding to several conveying units. The conveying unit includes two rows of material rollers and a chain for driving the material rollers to rotate and convey. The anti-material adhesion mechanism includes several paddle units and a drive assembly. Each paddle unit includes a pair of paddles, and the drive assembly is drively connected to the paddles, allowing the pair of paddles to unfold above the two rows of material rollers. By correspondingly arranging paddle units in the conveying units of the chain-type sorting machine, with each paddle unit including a pair of paddles, and the drive assembly driving the paddles to unfold above the material rollers, this invention ensures that only a single layer of material can pass under the paddles, while stacked and adhered material is removed by the paddles, guaranteeing the accuracy of subsequent identification and screening. Furthermore, the unfolding angle of the paddles can be adjusted according to the size of the material, making it highly adaptable.

The utility model provides a demoulding and anti-adhesion mechanism for a PVC catheter injection molding machine, which relates to the field of injection molding and demoulding, and includes an inner mold tube, an upper pressing block, a lower pressing block, and a driving mechanism adapted to the inner cavity of the catheter, wherein the straight tube section of the inner mold tube is clamped and fixed between the upper pressing block and the lower pressing block, and an opening groove that passes through inside and outside is provided on the inner mold tube along the length direction of the catheter, and a rotatable demoulding sheet is provided in the inner mold tube, and the driving mechanism can drive the demoulding sheet to rotate. The demoulding and anti-adhesion mechanism for the PVC catheter injection molding machine, when the entire mechanism is taken out of the injection outer mold, the driver is inserted from the oblique opening, and in this process, the end of the rotating rod is pushed out of the end of the inner mold tube to form a pushing force on the catheter, and at the same time, the demoulding sheet pushes against the catheter and drives it to rotate slightly, so that the catheter product and the inner mold tube are separated, which effectively prevents the factors that the catheter is adhered to the inner mold tube, reduces the number of times the operator pulls out the catheter, and improves the demoulding efficiency.

This utility model discloses a feeding device for adhesive products, relating to the field of adhesive product processing technology. It includes a processing box, a feeding chamber, and a mixing chamber. The processing box is equipped with a heating and stirring assembly. A locking rod fixes an arc-shaped limiting plate to one side of a fixed plate, supporting the horizontal pipe. A spray nozzle sprays water onto the adhesive material to be stirred in the mixing chamber, preventing adhesion during stirring and effectively cooling the material. A heating pad contacts the material in the feeding chamber to heat it. A stirring roller mixes the water-heated adhesive product. A fixing block fixes the arc-shaped heating ring to the limiting sleeve and limiting flange, reinforcing and limiting the two arc-shaped heating rings. The arc-shaped heating ring and the heat-conducting rod heat the material adhering to the inner side of the mixing chamber, facilitating its removal with the help of water, thus preventing the adhesive product from adhering to the mixing chamber during feeding.

Provided is an adhesion prevention film that sufficiently swells upon contact with moisture and is less prone to breaking. This adhesion prevention film contains a bioabsorbable polymer compound. The adhesion prevention film has a thickness of 10-500 µm, and a swelling ratio of 200-500 vol% after 15-minute immersion in phosphate buffer at pH 6.0. In the case where 1H-NMR measurement of the film is performed, using a sample solution prepared by adding the film and 1.2 mg of pyrazine to 1.1 mL of deuterated trifluoroacetic acid, with the resonance peak of pyrazine as a standard substance referenced to 9.45 ppm, when the integral value of the maximum resonance peak measured in the range of 9.4-9.5 ppm is defined as A and the integral value of the maximum resonance peak measured in the range of 5.0-5.2 ppm is defined as B, B / A is 0.10 or less.

A biocompatible membrane comprised of alginate and hyaluronate. The membrane may be used to prevent unwanted scarring after surgery. The tissue adherence and the rate of bioresorption of the membrane may be modified through an external stimulus comprising a sequestering agent and a viscosity modifier.

The utility model discloses an anti-adhesion structure for microphone mesh enclosure copper powder welding, which comprises a placing plate for placing a mesh enclosure for welding, the top of the placing plate is provided with a plurality of clamping grooves which are distributed at equal intervals, the top of the placing plate is fixedly connected with a plurality of convex blocks which are distributed at equal intervals, and the convex blocks are fixedly connected with the top of the placing plate. The placing plate is made of graphite, a mounting frame is arranged at the bottom of the placing plate, and a discharging mechanism is fixedly connected into the mounting frame. The placing plate is made of graphite, and the graphite has good self-lubricating property and non-sticky property, so that the placing plate cannot be adhered to the copper powder even in a high-temperature environment, and the problems that high temperature is generated during welding of the copper powder, and the copper powder cannot be adhered to the copper powder when overflowing occurs after the copper powder is melted at the high temperature are solved. The problem that the subsequent processing efficiency is affected due to the fact that the mesh enclosure is adhered and is not easy to take down when products are easily adhered to a conveying chain is solved, and the adhesion prevention effect is achieved.

The utility model relates to the technical field of PVC (polyvinyl chloride) embossing equipment, in particular to anti-adhesion high-softness high-compression-resistance polyvinyl chloride sheet embossing equipment. The problems that in the using process of traditional PVC embossing equipment, certain friction can be generated between a PVC sheet and an embossing wheel, the PVC sheet and the embossing wheel are prone to adhesion, and adhesion prevention is inconvenient to achieve are solved. The utility model provides anti-adhesion high-softness and high-compression-resistance polyvinyl chloride sheet embossing equipment. The anti-adhesion high-softness and high-compression-resistance polyvinyl chloride sheet embossing equipment comprises an embossing assembly and an anti-adhesion assembly; compared with the problems that in the using process of traditional PVC embossing equipment, certain friction can be generated between a PVC sheet and an embossing wheel, the adhesion phenomenon between the PVC sheet and the embossing wheel is likely to happen, and accordingly adhesion prevention is inconvenient to achieve, the PVC embossing equipment is provided with an embossing structure and an anti-adhesion structure, and the PVC sheet and the embossing wheel are not prone to adhesion. The PVC sheets on the conveying structure can be embossed through the embossing structural part, and meanwhile, the PVC sheets adhered to the embossing structure can be cleaned through the anti-adhesion assembly, so that the purpose of preventing adhesion can be achieved.

The invention discloses a heat-resistant long-life conveying belt capable of preventing material adhesion, which belongs to the field of material conveying equipment, and comprises a rack, a conveying assembly, a cooling assembly, a power assembly, an anti-static assembly and a walking unit, universal wheels with brakes are arranged at the lower end of the rack; the conveying assembly comprises a multi-layer structure conveying belt and a detachable dust cover. The cooling assembly reduces the temperature of the conveying belt through a closed loop; the power assembly is driven by a variable frequency motor and a synchronous belt. The anti-static assembly is provided with a plasma fan and a grounding brush for dual protection. The heat-resistant long-service-life conveying belt capable of preventing material adhesion is high in heat resistance, long in service life, capable of reducing material adhesion and electrostatic hidden dangers, capable of being flexibly moved and adjusted, convenient and fast to maintain, suitable for high-temperature material conveying scenes such as chemical engineering and metallurgy, and low in comprehensive use cost.

The utility model discloses an adhesive tape structure with various anti-counterfeiting and anti-uncovering functions. The adhesive tape structure comprises an isolating layer, an anti-counterfeiting printing layer, an aluminum plating layer, a base material layer, an anti-counterfeiting characteristic layer and an adhesive layer which are sequentially stacked from bottom to top, after the adhesive tape is torn off finally, part of the adhesive layer is adhered to the surface of an object to be adhered, and an anti-counterfeiting mark is left through the anti-counterfeiting feature layer, so that the purposes of counterfeiting prevention and secondary adhesion prevention are achieved; the aluminized layer is provided with photoetching fine patterns or characters through a laser engraving technology, and different illumination colors and different three-dimensional effects are shown when observed from different angles; the anti-counterfeiting printing layer is transparent ink which is printed on the base material layer or the aluminum plating layer through a printing machine and is anti-counterfeiting based on illumination identification; according to the utility model, the photoetching fine patterns or characters are arranged on the aluminized layer through the laser engraving technology, and the transparent ink based on illumination identification anti-counterfeiting and temperature change identification anti-counterfeiting is arranged on the base material layer or the aluminized layer, so that the purpose of increasing the anti-counterfeiting identification degree in double or multiple ways is achieved.

The utility model relates to the field of degassers, in particular to a graphite rotor surface adhesion prevention type molten aluminum refining degasser which comprises a bottom plate and a degasser body, the degasser body is arranged on the bottom plate, a rotatable graphite rotor is arranged at the working end of the degasser body, a top plate is arranged at the top of the degasser body, and a side plate is arranged on the top plate. A cleaning mechanism is arranged on the side plate and comprises a scraping plate, a moving assembly for driving the scraping plate to move up and down in the vertical direction of the graphite rotor and an adjusting assembly for adjusting the distance between the scraping plate and the graphite rotor, the moving assembly is arranged on the side plate, the adjusting assembly is arranged on the moving assembly, and the scraping plate is arranged on the adjusting assembly; by arranging the cleaning mechanism, molten aluminum attached to the surface of the graphite rotor can be comprehensively scraped, residual molten aluminum is prevented from being attached to the surface of the graphite rotor, the service life of the graphite rotor is prolonged, the maintenance cost is reduced, the scraped molten aluminum falls back into the molten aluminum tank again, and waste of the molten aluminum is reduced.

The present invention discloses an automatic screw tightening device with an anti-breaking and tail adhesion prevention function, belonging to the technical field of tightening devices. The tightening device includes a feeding mechanism, a tail-breaking mechanism, a detection mechanism, a tightening mechanism, and a discharging conveyor belt. The feeding mechanism and the tightening mechanism are fixedly connected, the tail-breaking mechanism and the tightening mechanism are fixedly connected, the detection mechanism and the tightening mechanism are fixedly connected, and the discharging conveyor belt and the tightening mechanism are fixedly connected. The tail-breaking mechanism is located below the feeding mechanism, and the detection mechanism is located below the tail-breaking mechanism. The feeding mechanism enables the material to be transported to the tightening system. The tail-breaking mechanism ensures that the material can be accurately cut and enter the subsequent tightening process during the tail-breaking process. The detection mechanism ensures that each material is detected before tightening. The fixed connection between the discharging conveyor belt and the tightening mechanism ensures that the material after tightening can be smoothly and stably sent out, avoiding omissions or failures in the operation.

The utility model provides an automatic feeding accompanying device, belongs to the technical field of edible mushroom production, and aims to solve the problem that raw materials are left on a clamping plate after feeding due to the fact that most existing automatic feeding accompanying devices adopt clamping plate type conveyors for feeding. Comprising a conveyor body. The discharge hopper is riveted to the left side of the conveyor main body; the conveying belt is rotationally connected to the interior of the conveyor main body; the multiple sets of conveying plates are arranged, and the multiple sets of conveying plates are fixedly installed on the surface of the conveying belt; the two sets of cleaning boxes are arranged, and the two sets of cleaning boxes are fixedly installed on the two sides of the conveyor body; the material accompanying barrel is arranged on the right side of the conveyor main body; the feeding cleaning assembly is arranged in the conveyor main body; and the material accompanying assembly is arranged in the material accompanying barrel. The mixing device has the advantages of convenience in cleaning, uniformity in mixing, adhesion prevention and the like.

The invention designs a copper alloy netting material and a preparation method thereof, and belongs to the technical field of netting materials. The netting material comprises an inner core layer, a stress buffering transition layer and an outer alloy layer which are sequentially arranged from inside to outside. The outer surface of the outer alloy layer is provided with periodically arranged micro-texture pits so as to increase the specific surface area and provide the copper ion storage capacity, and the passivation and activation composite film layer is of a double-layer structure with a compact inner layer and a porous outer layer. The preparation method comprises the steps of core layer pretreatment, alloy layer coating, on-line monitoring self-adaptive drawing, segmented gradient annealing, cyclic drawing and annealing, surface texturing treatment, surface passivation and activation treatment and the like. The technical problems that an existing netting material is insufficient in strength, poor in corrosion resistance, serious in biological adhesion, weak in composite interface bonding, unstable in copper ion release and the like are solved, the excellent comprehensive performance of high strength, corrosion resistance and long-acting adhesion prevention is obtained, and the composite netting material is particularly suitable for severe marine environments such as mariculture.

The hemostatic gauze for hemodialysis comprises a gauze body, and a plurality of restraint straps are arranged on the gauze body. A contact layer, a hemostasis layer, an isolation layer and a fixing layer are sequentially arranged on the gauze body from bottom to top; the contact layer is made of a hydrophilic biocompatible material; thrombin, chitosan microspheres and gelatin sponge are arranged in the hemostatic layer; the isolating layer is made of a polytetrafluoroethylene film, and the fixing layer is made of elastic medical non-woven fabric. According to the multi-layer structural design that the gauze body is sequentially provided with the contact layer, the hemostasis layer, the isolation layer and the fixing layer from bottom to top, and all the layers are clear in function and cooperate with one another; the contact layer is in direct contact with the wound and is responsible for primary blood coagulation promotion and adhesion prevention; the hemostatic layer can stop bleeding efficiently; the isolating layer plays a dual role in blocking outside bacteria and preventing adhesion; the fixing layer ensures that the whole gauze is stably fixed at the wound part; due to the layered structural design, the hemostatic gauze can effectively meet various requirements for hemostasis and follow-up nursing of a hemodialysis puncture part.