41 results about "Patch material" patented technology

The invention relates to a product test repairing method and system, and relates to the technical field of product testing, and the method comprises the steps: obtaining a test position and a test parameter; when the test parameter is inconsistent with the reference parameter, defining the test position as an abnormal position, and calculating the difference between the test parameter and the reference parameter as an abnormal parameter; when the abnormal parameter is a positive value, controlling the cutting device to cut according to the abnormal parameter according to the test position; according to the abnormal parameters, air suction power is determined, and a recovery device is controlled to recover the cut materials; when the abnormal parameter is a negative value, the specification of the recycled material is obtained; determining whether the recycled material specification is greater than the abnormal specification; if yes, the splicing shape is determined according to the specification of the recycled material; controlling a repairing device to repair according to the splicing shape and the abnormal position; and if not, controlling the repairing device to repair according to the repairing material, controlling the polishing device to polish the product and obtaining the test parameters again. The method has the effect of reducing energy consumption.

The utility model relates to the technical field of traditional Chinese medicine processing equipment, in particular to a cutter device special for a special-shaped rotary slicing machine. Most of the existing slicing machines adopt a fixed blade design and cannot stably and effectively cut patch materials, so that the wear speed of a cutter is increased due to high use frequency. The cutter device is assembled on a cutting unit of the special-shaped rotary slicing machine and comprises a driving part, a cutter rest, a main cutter body and side cutter bodies, and the two side cutter bodies are arranged on the two sides of the main cutter body respectively in an axial symmetry mode. The main cutter body and the side cutter bodies form a cutter which is used for cutting materials. The edge expanding strip is arranged on the outer side of the main cutting edge, so that the position of a material is fixed in advance, the material can be slightly expanded outwards to be flattened when the main cutting edge moves downwards, and subsequent cutting operation is facilitated; and during cutting, the two sides are synchronously cut and then the middle is synchronously cut, so that the materials can be effectively prevented from wrinkling, adhering and the like due to traction of the cutter.

The application relates to an inlay type patch material distributing device for drip irrigation belts and relates to the technical field of inlay type patch production for drip irrigation belts, which comprises a material distributing mechanism, a leftover material conveying mechanism, an inlay type patch conveying mechanism and a screening mechanism. The application carries out secondary screening on the material preliminarily separated through the gap of the material distributing mechanism by arranging the screen in the screening mechanism. When the material falls to the screen, the forward and reverse motor drives the rotating rod and the cam to rotate, the cam cooperates with the lower surface of the screen to make the screen vibrate. Under the vibration, the qualified inlay type patch with small size can smoothly pass through the screen mesh hole and fall to the upper surface of the inlay type patch conveying mechanism, while the unqualified patch and leftover material with large size are intercepted, high-precision separation of the patch and the leftover material is realized, the problem that the traditional device cannot completely separate is solved, and the problems of patch adhesion and stacking are effectively solved.

The present invention relates to the technical field of patch lead feeding, and specifically to a feeding device for patch lead production, comprising a feeder, a translator 1 is arranged on one side of the loader, a conveying component 1 is arranged on the translation track of the translator 1, a clamping mechanism is arranged inside the conveying component 1 and in a placement frame located on the conveyor belt, and a conveying component 3 is arranged on one side of the translator 1. The beneficial effects of the present invention are as follows: sheet frames that fail the inspection can be taken out by an extraction mechanism and cleaned by a cleaning wheel, thereby avoiding false detection caused by dust, and defective sheet frames can be taken out directly from the production line for collection in time, thereby avoiding waste of patch materials and reducing the defective rate of products. In addition, sheet frames of different sizes can be fixed by the clamping mechanism, which can reduce the number of equipment required to be debugged on the production line, speed up the debugging speed, and thus improve the production progress.

The application discloses a kind of laminated composite intercalation repair methods, belong to laminated composite maintenance technical field.The application uses the way of multilayer intercalation reinforcement patch, significantly increase the bonding area of patch and original laminated laminated composite material, can effectively improve the bonding strength of repair area, so that repair area will not become laminated laminated composite material / member dangerous area;The bonding surface is composed of multiple planes, and adjacent bonding surfaces bear tensile or shear load respectively, and after debonding or damage of a certain bonding surface, the crack will not spread to other bonding surfaces, significantly enhance the damage tolerance of repair bonding area, and further improve the mechanical properties of repair material / member.

The present application relates to the technical field of aircraft body structure repair, in particular to a method for improving the adhesion of composite material bonding repair metal structure, comprising the following steps: determining the damage range by visual inspection and non-destructive testing method; then using artificial polishing method to pretreat the surface of the damaged part; preparing composite patch material, adhesive and related auxiliary materials; laying the patch according to the design requirements; packaging the vacuum bag, installing the heating unit and curing; post-processing the patch; checking the composite patch; according to the gap size and area size of different regions, cutting the appropriate size of glass fiber fabric; marking the installation position of the patch by using the red pencil line method; mixing the glue; cutting a layer of glass cloth, the size of which is larger than the total size of the required filling size, and the glass cloth is treated by dipping in glue. The present application can effectively control the thickness of the glue layer, increase the controllability of the repair process, improve the tensile shear strength after bonding, effectively improve the actual repair effect, and meet the actual use requirements.

A seam tape may be provided to independently and indirectly couple panels to create an inflatable product. Each panel includes a first substrate, and the seam tape includes a second substrate having a melt temperature that greater than a melt temperature of the first substrate. A method of adhering a seam tape, patch material, accessory material, or component material to a panel includes positioning the seam tape, patch material, accessory material, or component material on the panel such that the seam tape, patch material, accessory material, or component material receives more heat than the panel when adhering the seam tape, patch material, accessory material, or component material to the panel.

The utility model provides a patch material detection device convenient to calibrate, and belongs to the field of detection equipment, in order to solve the problem that materials are inconvenient to straighten and limit conveniently, the patch material detection device comprises a workbench, a supporting plate is fixedly connected to the workbench, a positioning plate is fixedly connected to a detector, and a spring is fixedly connected to the interior of a connecting block. The device is provided with a mounting plate; when a processed patch material is straightened and limited, a first servo motor can be started to drive a two-way threaded rod to rotate, the two-way threaded rod drives moving blocks on the two sides to move inwards, meanwhile, mounting plates on the moving blocks can push the material on a supporting plate to be straightened left and right, and a self-locking motor is started to drive a gear to rotate; the gear pushes the racks on the two sides to move inwards, the racks on the two sides drive the clamping plates to move, meanwhile, the clamping plates stably move under supporting of the guide rods, the clamping plates on the two sides can limit the placed materials front and back, and the materials can be straightened and limited through cooperation of the mounting plate and the clamping plates.

Methods and apparatus for producing absorbent articles having a pocket, and absorbent articles having a pocket, are provided. The methods and apparatus include the continuous provision of nonwoven material and elastic strands, and the continuous bonding of elastic strands to nonwoven material, so as to continuously produce absorbent articles. The methods and apparatus further include a cut-and-turn wheel for accepting a continuous sheet of patch material, cutting patches, rotating the patches, and applying the patches to an absorbent article.

This item consists of a waterproof sheet with wire mesh layered on top, and as shown in the reference perspective view showing how it is used, multiple sheets can be connected together as needed to cover damaged areas of the roof.

The invention relates to the technical field of pavement pothole rapid maintenance methods, in particular to a pavement pothole rapid maintenance method covering an ultrathin wearing layer, which comprises the following steps: (1) preparing a modified cold patch material; (2) preparing an ultrathin wearing layer material; (3) cleaning the pit slot; (4) coating a bonding layer; (5) filling a cold patch material; (6) laying an ultrathin wearing layer; (7) curing; (8) opening traffic; according to the invention, the modified cold patch material and the ultrathin wearing layer are innovatively combined, so that the contradiction between the material performance and the construction process is ingeniously solved. The use of the modified cold patch material solves the problem of insufficient strength of the traditional cold patch material, and the introduction of the ultrathin wearing layer greatly improves the durability and aging resistance of the repaired area. The multi-layer structural design not only realizes the complementation of the performance of each component, but also generates a remarkable synergistic effect.

The present invention relates to the technical field of medical equipment, and specifically discloses a patch for replacing the colorectal seromuscular layer, comprising: step one: preparing a patch material, the patch material comprising: a polylactic acid-polycaprolactone copolymer solution; step two: pouring the patch material into a mold, and performing a microporous technology treatment; step three: performing a heat treatment and a cooling treatment; step four: sampling the obtained patch, performing a quality inspection on the sample, and obtaining a sample parameter characterization value, performing a comparative analysis on the sample parameter characterization value, so as to judge whether the patch is qualified; the present invention can ensure that the patch material used will not cause adverse reactions such as inflammation and infection through strict quality inspection, thereby reducing the risk of surgery, ensuring that the patch can play an expected role after implantation, improving the surgical effect, and ensuring that the patch material used has excellent performance and quality, thereby improving the quality and effect of surgery and providing patients with better medical services.

The utility model provides a kind of patch material level sensing device, including installation base plate, patch type load cell and protective shell cover, the installation base plate is set on powder bin support leg, and the setting quantity of installation base plate is two;The patch type load cell is installed in vertical direction, is set between two installation base plates, and threaded hole is equipped on installation base plate, and patch type load cell is connected with two installation base plates by screw thread;The protective shell cover is used to cover patch type load cell, prevent external force collision, protect patch type load cell.The utility model provides a kind of patch material level sensing device, does not change original powder bin support stress main body structure, and the micro deformation of support leg is sensed by sensor to indirectly measure the weight of bunker, with simple installation procedure, maintenance is convenient, small difficulty, low in cost, no security risk, real-time advantage of strong.

The utility model relates to the technical field of feeding devices, and discloses a novel fluidity-adjustable repairing material feeding device which comprises a reaction kettle, a feeding pipe is fixedly communicated with the left side of the upper portion of the reaction kettle, protruding blocks are symmetrically installed on the outer surface of the feeding pipe, and center rods are symmetrically arranged in the protruding blocks in a penetrating mode. The outer surface of the center rod is sleeved with a quantity adjusting plate, scales are evenly arranged on the outer surface of the protruding block, discs are symmetrically installed on the outer surface of the center rod, the front side and the rear side of the center rod are fixedly connected with limiting end blocks, and the discs are attached to the outer surface of the protruding block. According to the reaction kettle, the temperature in the reaction kettle is monitored in real time through the temperature sensor so as to ensure that the reaction is carried out in a preset range, when heating is needed, the heating plate is started to heat the reaction kettle, and if the temperature is too high, the alarm gives an alarm to remind a worker to take necessary measures so as to prevent potential safety hazards.

The utility model relates to cold patch material durability detection equipment for a laboratory, which comprises a base, a cold patch material forming platform and an abrasion mechanism, and cold patch materials are filled in the cold patch material forming platform to be solidified to form a plane to be detected; the abrasion mechanism comprises a supporting assembly, an abrasion assembly and a pressurizing assembly. The supporting assembly is fixedly installed on the base. The abrasion assembly is installed in the supporting assembly and slidably connected with the supporting assembly in the direction perpendicular to the plane to be measured, the working end of the abrasion mechanism abuts against the plane to be measured so as to abrade the plane to be measured, the installation end of the pressurization assembly is fixedly connected with the supporting assembly, and the working end of the pressurization assembly is fixedly connected with the abrasion assembly. The working end of the pressurizing assembly can be far away from the mounting end of the pressurizing assembly in the direction perpendicular to the plane to be tested so as to apply pressure to the abrasion assembly, and the durability testing device can abrade an entity after the cold patch material is solidified, so that a durability test is carried out, and the abrasion degree can be adjusted through the pressurizing assembly so as to obtain multiple groups of experimental data.

The invention provides a cold patch material cohesiveness tester, and belongs to the technical field of road engineering test equipment, the cold patch material cohesiveness tester comprises a cabinet, a controller, a motor, a test cabin and a balance, the controller is embedded in the left upper corner of the front end of the cabinet, guide rails are arranged on the two sides of the middle of the cabinet respectively, racks are arranged on the guide rails, and the rack is connected with the rack. The two ends of the motor are connected with gears respectively, the gears are connected with the racks on the guide rails in a meshed mode, the test cabin is connected to one end of the motor, the balance is arranged on the machine cabinet, and the motor and the balance are connected with the controller respectively. The cold patch material cohesiveness tester is simple in structure and convenient to operate, mechanization of a cold patch material cohesiveness test can be achieved, the cold patch material cohesiveness residual rate can be automatically weighed and calculated, the test precision is improved, and the cold patch material cohesiveness performance can be evaluated through a detection result.

The utility model discloses a novel full-automatic music book combination machine. The novel full-automatic music book combination machine comprises a rack, a material receiving part, a punching part, a sheet feeding part, a line pressing part, a tooth die ultrasonic part and a patch taking part, according to the utility model, the push rod motor combination is used for automatically feeding, automatically pressing lines and automatically thrusting edge sheets, and the control button operation is carried out after the sheets are manually placed one by one in the past, so that the phenomenon that hands are easily pressed in a manual sheet placing mode is avoided; a PLC (programmable logic controller) is adopted for centralized control, so that the full-automatic process of the whole machine is realized, and the processing cost is increased; according to the scheme, the middle link is omitted, the production efficiency is improved, the labor for punching out the sheet bar is saved, the industrial injury risk is reduced to zero, the production cost is greatly reduced, the production efficiency is greatly improved, and the production difficulty is reduced.

The application relates to the field of material testing, and relates to a sample preparation device and method for hot-state repair material and substrate bonding strength. The sample preparation device for hot-state repair material and substrate bonding strength comprises a heating furnace, a material bin rotatably arranged in the heating furnace, a feeding hopper coaxial with a rotation axis of the material bin, at least one sample cylinder and a rotating motor for driving the material bin to rotate, one end of the feeding hopper is communicated with a top of the material bin, the other end penetrates out of the heating furnace, and the outer wall of the material bin is communicated with at least one connecting pipe; the sample cylinder is configured to be detachably connected to the connecting pipe, so that the sample cylinder and the connecting pipe are communicated. The sample preparation device and method for hot-state repair material and substrate bonding strength provided by the application can prepare a sample in which hot-state repair material and a substrate are fully combined, so that the strength of the hot-state repair material and the substrate bonding material can be accurately tested, and the device has the advantages of simple operation and high preparation efficiency.

A full-automatic cloth sticking, tail opening, forming and zipper combining five-in-one machine comprises a machine body, a cloth sticking mechanism, a head penetrating and zipper separating mechanism, an injection molding mechanism and a code penetrating and zipper combining mechanism, the cloth sticking mechanism comprises a first upper module, a first lower module and a cloth sticking feeding table, and the first upper module is matched with the first lower module to cut off a patch material belt and form patch square blocks on a zipper cloth belt; the head penetrating and zipper separating mechanism comprises a punching workbench, a head penetrating workbench, a zipper separating workbench and a zipper head feeding table, the punching workbench is used for forming a punching position on the patch square block, the head penetrating workbench is used for arranging a zipper head on zipper teeth in a penetrating mode, and the zipper separating workbench is used for separating the zipper teeth; the injection molding mechanism comprises a second upper module and a second lower module, and the second upper module is matched with the second lower module to perform injection molding of an upper stopper and a lower stopper on the zipper cloth tape; the zipper penetrating and combining mechanism comprises a left working table, a right working table, a zipper combining working table and a limiting device, the left working table is matched with the right working table to insert zipper plug pins into zipper square blocks, and the zipper combining working table is used for combining zipper teeth.

The utility model discloses a patch material feeder which comprises a machine shell, a material disc containing groove is formed in the back face of the machine shell, a rotating shaft is fixedly installed in the material disc containing groove, the outer surface of the rotating shaft is in threaded connection with a limiting ring, a feeding mechanism is arranged in the machine shell, and a material belt guide plate is fixedly connected to the inner wall of the machine shell. A brake mechanism is arranged in the machine shell. According to the device, a U-shaped plate, a sliding block and a sliding groove are matched with one another, a brake wheel can move in the direction of the sliding groove and the sliding block, thrust can be applied to the U-shaped plate through a spring, then the U-shaped plate can be close to a feeding mechanism, the U-shaped plate pushes a pressing roller to move, and the pressing roller can be matched with a rotating roller to position a material belt; therefore, the material belt is prevented from sliding, the feeding accuracy is ensured, and the problem that the surface of the rubber material disc is gradually smooth due to abrasion and aging, and consequently the material belt slides in the moving process is solved.

The utility model discloses an SMT (Surface Mount Technology) material rack trolley, which relates to the technical field of commodity shelves and comprises a material trolley, the material trolley comprises four supporting columns and commodity shelves, and the commodity shelves are fixed among the supporting columns through lantern rings; the stabilizing assembly comprises two connecting plates, a movable hole, a bolt, a U-shaped clamping block, a first baffle and a rubber pad, the two connecting plates are located at the two ends of the storage rack respectively, the movable hole is formed in the middle of the connecting plate, the bolt is inserted into the movable hole, and the middle of the side edge of the U-shaped clamping block is fixed to one end of the bolt; the first baffle is fixed to the upper end of the other side of the U-shaped clamping block, and the rubber pad is fixed to the inner side of the U-shaped clamping block. The storage rack has the advantages that by arranging the stabilizing assembly, multiple layers of storage racks can be connected into a whole, the connection and stability of the storage racks and the supporting columns are improved, and the situation that a certain layer of storage rack falls off, and consequently an SMT patch is damaged is avoided.

The utility model discloses a deviation rectifying device for patch discharging, which comprises a feeding seat, a plurality of material receiving grooves arranged in parallel on the feeding seat, a material pressing roller arranged at the tail ends of the material receiving grooves, a plurality of material ejecting mechanisms arranged at the lower end of the material pressing roller and corresponding to the material receiving grooves, and a plurality of conveying rollers arranged in the material receiving grooves. Deviation rectifying rollers are arranged at the front ends, far away from the jacking mechanism, of the conveying rollers and are connected through a connecting rod, and adjusting bolts are arranged at the two ends of the connecting rod. The beneficial effects of the utility model are that the material pressing roller and the material binding mechanism are used in cooperation, the operation of correcting the front and back positions of a single patch material belt is realized, the defect that the picking precision of a manipulator is influenced by patch spacing errors is overcome, and the precision of the manipulator is improved through the combined structure of the correcting roller, the connecting rod, the adjusting bolt and the telescopic spring. The deviation angle of the patch material belt in the material receiving groove is adjusted, and the patch effect is effectively improved.

The utility model discloses a PHA drenched stackable paper cover, which comprises a stackable paper cover body and a reinforcing edge strip arranged at the edge of the bottom end of the stackable paper cover body, the stackable paper cover body is composed of a sleeving ring and a stacking top cover, the stacking top cover is located at the top end of the sleeving ring, and the reinforcing edge strip is arranged at the edge of the bottom end of the stacking top cover. The multiple stacked top covers can be stacked up and down layer by layer, the reinforcing edge strips are fixed to the outer wall of the edge of the bottom pad of the sleeving ring, the paper base layer is a base layer and an outer layer of the stackable paper cover body, a paper cover reinforcing and shaping device is additionally arranged on the outer wall of the PHA spraying film stackable paper cover, and the strip-shaped reinforcing patches are made of polylactic acid fibers and resin in a composite mode. The paper cover is attached to the stacking top cover and the sleeving ring in a hot-pressing mode, compression resistance is enhanced, pressure is dispersed, the paper cover is helped to be recovered after deformation, the service life is prolonged, when the paper cover serves as a beverage cup cover, heat dissipation and impurity prevention can be achieved through the design of the air holes, the blocking pieces and the sealing plugs, and the strip-shaped reinforcing patch materials are biodegradable and good in environment friendliness.

The application relates to a system integrated multi-specification medical human body repairing material warp knitting production line, and relates to the field of medical textile apparatus production equipment. According to the production process sequence, the warp knitting production line sequentially comprises a yarn feeding unit for placing raw materials and leading out filaments, a weaving unit for weaving different-specification repairing material gray cloth, and a setting unit for obtaining repairing material finished fabric after heat setting treatment of the repairing material gray cloth and winding the repairing material finished fabric. The filament raw material is uniformly and stably tangentially unwound from a yarn drum, the filament breakage probability is reduced, and the process of making a beaming disc head is saved by directly weaving on a machine. Different-specification fabrics are simultaneously woven by multi-gauge needle beds, the sample and production efficiency are effectively accelerated, the heat setting equipment size is maximally reduced, and the floor area is reduced. The production line provided by the application reduces raw material loss by more than 10%, avoids repeated winding and packaging of products, and reduces the possibility of secondary pollution of the products in the transportation process.

The utility model relates to the technical field of recycled cold patch material viscosity testing devices, and discloses a recycled cold patch material viscosity testing device which comprises a placing box, the right side of the inner wall of the placing box is fixedly connected with a sticky plate, and the upper end and the lower end of the left side of the outer wall of the sticky plate are each provided with a square groove. Sliding grooves are formed in the front side and the rear side of the middle of the inner wall of the containing box correspondingly, sliding plates are slidably connected to the outer walls of the multiple sliding grooves, grabbing plates are fixedly connected to the right sides of the sliding plates, pulling plates are fixedly connected to the left sides of the sliding plates, observation holes are formed in the middles of the sliding plates, and a stirring mechanism is arranged on the left side of the outer wall of the containing box. And the stirring mechanism is used for stirring the cold patch material. According to the cold patch material viscosity testing device, after cold patch materials needing to be tested are placed on the inner wall of the placing box, the cold patch materials can flow into the inner walls of the square grooves formed in the adhesive plate, and therefore the function of testing the viscosity of the cold patch materials is achieved.

The utility model discloses a material tray distributing device which comprises a machine frame and further comprises a first material tray mechanism, a second material tray mechanism, a third material tray mechanism, a third material tray mechanism, a fourth material tray mechanism, a fourth material tray mechanism, a fourth material tray mechanism and a fifth material tray mechanism, and the first material tray mechanism comprises a first material tray driving mechanism and a first material tray rotating shaft, and the first material tray rotating shaft rotates forwards and reversely under driving of the first material tray driving mechanism; the second charging tray mechanism comprises a second charging tray driving mechanism and a second charging tray rotating shaft which is driven by the second charging tray driving mechanism to rotate in the forward direction and the reverse direction; the feeding device is positioned between the first tray mechanism and the second tray mechanism; the feeding device comprises a feeding table and a feeding groove; the cutting device comprises a cutting driving mechanism arranged on the feeding table and a cutter which is driven by the cutting driving mechanism to move up and down; the cutter is arranged below the feeding groove and is driven by the cutting driving mechanism to cut off a material belt arranged in the feeding groove from bottom to top. The disc dividing device can be used for disc dividing of patch material belts.

The utility model discloses automatic touch spring assembling equipment, and relates to the technical field of touch spring production. The touch spring automatic assembling equipment comprises a material carrying mechanism, a material discharging mechanism, a material loading mechanism, a riveting mechanism, a detection mechanism, a material punching mechanism and a material discharging mechanism, the material carrying mechanism is used for carrying and transferring a patch material belt, the material discharging mechanism is used for discharging the patch material belt, the material loading mechanism is used for moving and assembling a spring, the riveting mechanism is used for punching a patch, and the detection mechanism is used for detecting the pressure of the patch. The detection mechanism is used for detecting whether a spring is assembled on a patch or not, the punching mechanism is used for cutting off a connecting piece of a patch material belt, and the discharging mechanism is used for discharging the touch spring. According to the automatic assembling equipment for the touch spring, through the cooperative operation of the automatic material loading mechanism, the automatic material discharging mechanism, the automatic material loading mechanism, the automatic riveting mechanism, the automatic detecting mechanism, the automatic material punching mechanism and the automatic material discharging mechanism, the production period is greatly shortened, continuous and efficient assembly line work can be achieved, the problem that manual sorting, alignment and assembling steps are tedious is effectively solved, and the production efficiency is greatly improved.

The invention discloses a composite material packaging box shape follow-up reinforcing repairing sheet and a preparation and use method thereof, and belongs to the technical field of composite material repairing. In order to solve the technical problems that a traditional repairing material structure is insufficient in reinforcing capacity, an interface is prone to falling off and is difficult to adapt to a special-shaped curved surface and the like, an ultrathin micro honeycomb core layer is arranged between an elastic transition glue film layer and a fiber putty layer containing curing agent microcapsules, and the interface stress is buffered through gradient modulus design; and conformal fitting is realized by means of ultrathin and semi-cured design. Structural reinforcement and appearance repairing of a damaged area can be integrated, the microcapsule is triggered by heating to release the curing agent, the construction procedure is remarkably simplified, the repairing efficiency is improved, the compatibility with a vinyl resin base material is excellent, and the method is suitable for rapid maintenance of various composite material packaging boxes.

The invention provides a patch material capable of controllably delivering an anti-inflammatory substance, which comprises a polymer fiber layer and a hydrogel layer, and the hydrogel layer is a modified biomacromolecule hydrogel containing anti-inflammatory substance nanoparticles. By adopting the hydrogel-loaded anti-inflammatory nanoparticle delivery system with the adjustable degradation rate, the controllable delivery of anti-inflammatory substances can be realized, and the inflammatory microenvironment in the initial stage of contusion can be effectively regulated and controlled. Meanwhile, the composite patch material can efficiently integrate multiple induction signals such as a topological structure and a gradient density signal, the repair effect is improved, and a new way and a new method are provided for design of spinal cord contusion repair materials.

The utility model relates to the related technical field of nursing blood sampling compression tourniquets, in particular to an artery blood sampling compression tourniquet which comprises a paper tourniquet body, a blood sampling compression patch, a compression strap sticker and a compression wrapping assembly. According to the nursing blood sampling compression tourniquet, the paper tourniquet, the blood sampling compression paste and the compression band sticker are adopted, disposable textile cloth is replaced, hemostasis is carried out, the situation that a buckle is meshed with the textile cloth tourniquet is avoided, and therefore the nursing blood sampling compression tourniquet is convenient to use. Compression hemostasis wrapping is carried out through the paper tourniquet, the blood sampling compression paste, the compression band paster and the attaching glue, the production cost of the paper tourniquet and the blood sampling compression paste is reduced, the paper tourniquet, the blood sampling compression paste, the compression band paster and the attaching glue do not need to be bound through buckles, the phenomena that blood vessel compression is prone to occurring and the blood vessel is not prone to being torn off due to too tightness are prevented, and the structure is simple. Blood stasis and the like are prevented.