1289results about "Braid" patented technology

The present application relates to nuclear fuel claddings, and more particularly to zirconium alloy tubes with a ceramic covering. A first coating layer is applied to the ceramic covering. A second coating layer is over the first coating layer. The first coating layer includes Nb. The second coating layer includes Cr.

The invention provides a high-strength, light and supercritical foaming fabric and a preparation method thereof, complete fibers used by the fabric comprise core layer fibers and a skin layer material, the outer side of the core layer fibers is uniformly coated with the skin layer material, and the skin layer material can be foamed; the core layer fiber is at least one of aramid fiber, polyarylate fiber, polyimide fiber, ultra-high molecular weight polyethylene fiber, polyester fiber and polyamide fiber; and the skin layer is made of thermoplastic elastomer resin. The preparation method comprises the following steps: uniformly coating the outer side of the core layer fiber with the skin layer material, and then carrying out supercritical foaming on the skin layer material. According to the invention, the contradictory technical requirements of the fabric for shoes on strength, light weight, comfort and the like are solved in a simple mode; the body strength of the fiber for the shoes can be kept, and the characteristics of light weight and air permeability of the foaming fabric are also achieved; the difficulty of direct foaming of the fabric / fiber for shoes is reduced, and the vamp fabric and the shoe article which are uniform in foaming, breathable, light in weight, high in strength and soft can be obtained.

The invention relates to a long-term implantable gel composite woven medical catheter and a forming method thereof, the long-term implantable gel composite woven medical catheter comprises an inner film and a gel layer which are sequentially arranged from inside to outside, and a woven body is embedded in the gel layer. Compared with the prior art, the invention has the following beneficial effects: by introducing the PTFE inner layer, the reinforced braid layer and the polymer gel outer layer, perfect combination of internal lubrication, mechanical reinforcement and external functionalization of the catheter is realized; the novel method combining extraction, rapid cooling and vacuum freeze drying is adopted, the production efficiency is improved, the outer layer of the catheter is endowed with a unique microstructure, and the drug loading capacity and biocompatibility of the catheter are enhanced.

The invention relates to an artificial woven ligament and a weaving method, and relates to the technical field of medical prosthesis replacement. The invention relates to an artificial woven ligament, in particular to an artificial woven ligament which comprises two woven bodies and a non-woven body which is located between the two woven bodies and connected with the two woven bodies respectively. The woven body comprises a plurality of cylindrical single-layer woven cylinders which are sequentially arranged from inside to outside in a sleeving mode, and the ends, away from the non-woven body, of the single-layer woven cylinders form a conical body. A plurality of weaving fixing lines are connected between the single-layer weaving barrels. The artificial woven ligament has the advantages that the artificial woven ligament does not depend on weaving and cutting techniques of doctors, the diameter of the woven fabric can be changed according to actual conditions of patients, and different requirements of ACL reconstruction implants are met.

The invention belongs to the technical field of carbon material fibers, and discloses a preparation method of a carbon nanofiber reinforced carbon material fiber fabric, which comprises the following steps: fixing a weakly twisted carbon material fiber tow on an electrostatic spinning nano yarn machine; forming a carbon nanofiber membrane by utilizing electrostatic spinning, uniformly wrapping the carbon nanofiber membrane on a carbon material fiber bundle subjected to weak twisting, then rolling into a shaft, then weaving the rolled fibers into a fabric, and sequentially performing hot pressing and carbonization treatment on the fabric to prepare a carbon nanofiber reinforced carbon material fiber fabric; the weak twisting means that the twisting degree is 5-13 twists per meter. According to the invention, the carbon nanofiber is coated on the carbon material fiber, so that the interface bonding strength between the nanofiber and the carbon material fiber is improved, and then the fabric prepared from the carbon nanofiber is subjected to hot pressing and carbonization treatment, so that the mechanical property, the electrical conductivity and the heat-conducting property of the fabric are further improved; therefore, the composite material has a huge application prospect in the fields of high-performance composite materials, intelligent textiles and the like.

Some aspects of the disclosure relate to composite materials and cultivation systems with particular utility for use in aquaculture, for example cultivating various species of seaweed. The systems comprise at least one highly tortuous and often micro-fibrous material and at least one material having low tortuosity. These systems may be configured in a variety of shapes and associated with a number of different structures. Some of these composite materials and cultivation systems may be used in both direct and indirect seeding of macroalgae plants such as seaweed.

A method of preparing a ceramic fabric and ceramic matrix composite components constructed from the ceramic fabric include transforming ceramic tows, or ceramic fabrics, to varying degrees from a first tow geometry to a second tow geometry, thereby reducing a first dimension of the ceramic tows and increasing a second dimension of the ceramic tows orthogonal to the first dimension. Plies constructed with flattened tows, or as-received tows, have various inter-tow pore sizes that are arranged with increasing inter-tow pore size towards exterior surfaces of the preform structure.

The utility model discloses a high-speed braiding machine with fast material discharge, which belongs to the technical field of braiding machines and comprises a support platform, a high-speed braiding component is arranged above the support platform, a reciprocating component is arranged on one side of the support platform, a winding component is arranged above the reciprocating component, a winding roller is arranged above the winding component, and a disassembly and assembly component is arranged at the connection between the winding component and the winding roller. The utility model realizes the effect of facilitating the winding roller to move back and forth left and right for winding by arranging the reciprocating component, so that the winding effect is uniform, and the reciprocating seat, reciprocating screw rod, reciprocating motor, reciprocating slider and moving plate are arranged so that the winding roller can reciprocate left and right for winding work, so that the silk thread can be evenly wound on the winding roller, and the disassembly and assembly seat, pressing rod, clamping block, clamping spring, extrusion block, reset spring and sliding rod are arranged so that the effect of disassembling and assembling the winding roller is convenient, thereby improving the convenience of use.

The invention relates to the field of temperature-adjusting fibers, and particularly discloses a preparation method of a phase-change temperature-adjusting fiber. The phase-change temperature-adjusting fiber is of a core-shell composite structure, a core layer is a lyocell fiber with wood pulp as a raw material, phase-change microcapsules are arranged on the fiber, octadecane serves as a phase-change material, and the phase-change microcapsules are formed by wrapping melamine-formaldehyde resin formed by condensation of melamine and formaldehyde. The outer layer is a shell fiber which is formed by blending polyacrylonitrile and cellulose acetate, the surface of the shell fiber contains structures such as pores, micropores and cracks, and nano titanium dioxide particles capable of absorbing ultraviolet rays are attached to the shell fiber. Experiments prove that the phase-change temperature-regulating fiber not only has a phase-change temperature-regulating function, but also has the effects of ultraviolet resistance, moisture permeability and sweat releasing. The phase-change temperature-adjusting fiber is used as a raw material, and is blended and woven with other fibers to prepare the temperature-adjusting functional fabric.

The invention relates to the technical field of fiber reinforcement, and discloses a melt impregnation weaving process of a flame-retardant fiber reinforced thermoplastic filling rope, the melt impregnation weaving process comprises fiber pretreatment, melt impregnation, multi-stage stretching setting, weaving forming and post-treatment, through the synergistic effect of plasma activation and nano flame-retardant pretreatment, the fiber surface activity and the flame retardant binding force are improved, and the flame-retardant fiber reinforced thermoplastic filling rope is obtained. Meanwhile, a segmented temperature control melt impregnation process is combined, so that the resin is ensured to form a uniform and complete coating layer on the surface of the fiber monofilament, the problems of weakening of interface bonding and non-uniform flame-retardant distribution in a traditional process are solved, and the flame-retardant efficiency and mechanical reliability of the filling rope are improved; a dynamic mathematical model of the tension gradient and the traction speed is established, the fiber crystallization orientation process is controlled, and the internal stress concentration phenomenon is eliminated; in combination with a dynamic tension compensation mechanism during weaving forming, the weaving tightness of the coating layer is corrected in real time, and the dimensional stability and the anti-fatigue performance of the filling rope under the complex load are guaranteed.

The invention relates to the technical field of intelligent control, in particular to a cable braiding machine intelligent control system based on feedback adjustment. The system comprises a braiding pitch acquisition module used for acquiring a braiding pitch of a cable by acquiring a cable image in a cable braiding process, the braiding pitch being related to the number of spindles of the cable braiding machine and the distance of each strand of the cable; the rotating speed regulation and control parameter acquisition module is used for acquiring rotating speed regulation and control parameters of the spindle according to the knitting pitch; and the adjusting module is used for adjusting the current rotating speed of the spindle according to the rotating speed regulation and control parameters so as to obtain the target rotating speed of the spindle. According to the embodiment of the invention, the rotating speed of the spindle of the cable braiding machine can be automatically adjusted by analyzing the cable braiding pitch in the cable image, so that the high-precision and intelligent operation of the cable braiding machine is realized, the cable braiding precision is improved, and the material cost and the human resource cost are reduced.

Systems and methods for forming a tubular braid are disclosed herein. A braiding system configured in accordance with embodiments of the present technology can include, for example, an upper drive unit, a lower drive unit, a mandrel coaxial with the upper and lower drive units, and a plurality of tubes extending between the upper drive unit and the lower drive unit. Each tube can be configured to receive individual filaments for forming the tubular braid, and the upper drive unit and the lower drive unit can act against the tubes in synchronization to cross the filaments over and under one another to form the tubular braid on the mandrel.

Systems and methods for forming a tubular braid are disclosed herein. A braiding system configured in accordance with embodiments of the present technology can include, for example, an upper drive unit, a lower drive unit, a mandrel coaxial with the upper and lower drive units, and a plurality of tubes extending between the upper drive unit and the lower drive unit. Each tube can be configured to receive individual filaments for forming the tubular braid, and the upper drive unit and the lower drive unit can act against the tubes in synchronization to cross the filaments over and under one another to form the tubular braid on the mandrel.

The invention belongs to the technical field of soft robots, and discloses a lockable driver based on artificial muscles and a driving method of the lockable driver. The driver comprises an artificial muscle bundle, a locking device and a flexible connector, the artificial muscle bundle is formed by weaving a plurality of CD-ROM liquid crystal elastomer fibers in a chain shape, and 30%-50% of reversible contraction deformation can be generated under illumination; the locking device is of a layer blocking variable stiffness structure, and millisecond soft-hard state switching is achieved through vacuum negative pressure. During driving, light initiates phase change shrinkage of the liquid crystal elastomer, and then the locking device is vacuumized to fix deformation; and the flexible state can be recovered by charging positive pressure when the pressure is released. The problems that a traditional flexible driver is high in standby energy consumption and poor in load capacity are solved, the high deformation capacity and the lockable rigidity are achieved, and the flexible driver can be widely applied to the fields of exoskeletons, rehabilitation instruments and the like.

The invention provides a fabric-reinforced electroactive nerve conduit and a preparation method and application thereof, and belongs to the field of biomedical materials.The fabric-reinforced electroactive nerve conduit comprises a nerve conduit inner layer and a nerve conduit outer layer, the nerve conduit inner layer is a woven skeleton formed by magnesium wires serving as parallel yarns and degummed silk through a three-dimensional weaving process, the pore diameter of the nerve conduit inner layer is 1.5-2 mm, and the thickness of the nerve conduit inner layer is 0.5-1 mm; the outer layer of the nerve conduit is a composite layer with a radial finger-shaped porous structure, which is formed by directionally freezing and casting a hydrogel cross-linked network formed by mixing potassium sodium niobate nanorods modified by polydopamine and a biopolymer material, and the thickness of the outer layer of the nerve conduit is 1-2mm. A three-dimensional weaving technology, a piezoelectric nano material and a biopolymer material are combined, a novel multifunctional nerve conduit is developed to repair nerve injury, a better solution is provided for nerve repair, and the fabric enhanced electric activity nerve conduit has important practical guiding significance in application of future clinical nerve injury repair.

The invention belongs to the technical field of textile, and relates to a preparation method of a three-dimensional spacer fabric with a circular structure, which specifically comprises the following steps: weaving an outer woven tube by using a group of yarns a, synchronously weaving an inner woven tube by using a group of yarns b, sleeving the inner woven tube with the outer woven tube, in the weaving process, a plurality of spacer filaments are inserted between the interweaving points formed by the yarn a and the interweaving points formed by the yarn b, the spacer filaments are repeatedly inserted along with the weaving process, and the three-dimensional spacer fabric of the circular structure is obtained after weaving is finished. The method is simple, the three-dimensional spacer fabric of the circular structure can be efficiently prepared, and the spacing of the three-dimensional spacer fabric of the circular structure is easy to adjust.

The present invention belongs to the technical field of carbon material fibers, and discloses a preparation method of a carbon nanofiber reinforced carbon material fiber fabric. The preparation method is as follows: Fix the weakly twisted carbon material fiber tow on an electrospinning nanofiber yarn machine, form a carbon nanofiber membrane by electrospinning and uniformly wrap it on the weakly twisted carbon material fiber tow, then wind it into a roll, and then weave the wound fibers into a fabric, and sequentially perform hot pressing and carbonization treatments on the fabric to obtain a carbon nanofiber reinforced carbon material fiber fabric; Weak twisting means that the twist is 5 to 13 turns / meter. The present invention first coats the carbon nanofibers on the carbon material fibers to improve the interfacial bonding strength between the nanofibers and the carbon material fibers, and then performs hot pressing and carbonization treatments on the fabric prepared therefrom to further improve the mechanical properties, electrical conductivity and thermal conductivity of the fabric, making it show great application prospects in the fields of high-performance composite materials, intelligent textiles, etc.

The invention discloses an environment-friendly fiber textile composite material and an environment-friendly production process thereof, and relates to the technical field of textile composite materials, the environment-friendly fiber textile composite material comprises natural fibers, regenerated fibers, an environment-friendly adhesive and a functional additive, the natural fibers are fiber materials derived from renewable resources, and the regenerated fibers are fiber materials derived from renewable resources. The natural fiber is selected from one or more of bamboo fiber, cotton fiber, linen fiber, hemp fiber and coconut fiber, and the natural fiber accounts for 30-60% of the weight part of the composite material. The natural fibers and the regenerated polyester fibers are combined, so that the environmental protection performance of the material is enhanced while high strength and durability are guaranteed, the material has excellent hygroscopicity, air permeability and biodegradability, and the problems that in a traditional fiber material, the natural fibers are single in performance, the regenerated fibers are poor in environmental protection performance and the like are solved. The problems that mechanical properties and ecological sustainability are difficult to consider at the same time are solved, the service life of the material is prolonged through combination of various fibers, environmental pollution is effectively reduced, and the environment-friendly trend is met.

The invention discloses an intelligent manufacturing optimization method and an intelligent manufacturing optimization system for a data line capable of preventing yarn weaving swelling, and aims to solve the problem of swelling defects in the yarn weaving process through the intelligent manufacturing optimization method and improve the production quality and efficiency of the data line. By introducing technologies such as data acquisition, image recognition, machine learning and real-time feedback, the production process is accurately monitored and intelligently optimized. The data acquisition module records various parameters in the production process in real time, and the visual recognition system recognizes the bump defect on the data line through an image processing technology, so that the defect of each data line can be detected in time in the production process. A data analysis and modeling module is used for establishing a mathematical model of a yarn weaving process based on historical data, identifying key factors influencing a bulge phenomenon, optimizing process parameters through an intelligent algorithm, and dynamically adjusting key variables in a production process. And the production efficiency and the product quality are improved, enterprises are promoted to develop towards the intelligent manufacturing direction, and high market competitiveness and sustainable development potential are achieved.

A weft yarn for an artificial ligament (1), a weft yarn preparation method, and an artificial ligament (1). The artificial ligament (1) is of a round rod structure; a first woven part (102), an in-joint free filament part (103), and a second woven part (104) which are sequentially connected are formed in the round rod structure in the axial direction thereof; the in-joint free filament part (103) comprises a plurality of weft yarns (201), and the weft yarns (201) extend in the axial direction of the round rod structure; and each weft yarn (201) has a fineness of 1000 D-3000 D / 1-100 F, and a mechanical strength of 75-300 N. By increasing the mechanical strength of a single yarn formed in the in-joint free filament part (103) of the artificial ligament (1), the number of yarns in the in-joint free filament part (103) is decreased. The present invention can eliminate a knee joint synovial membrane inflammatory response caused by chippings of the artificial ligament (1) in the reconstruction process of the artificial ligament (1), reduce the degree of contact adhesion between the in-joint free filament part (103) and the tissue, reduce the probability of adhesion, and solve the clinical problems of the inflammatory response and the prolonged surgery time which are caused by difficult removal due to adhesion of the free filaments and the tissue in the revision surgery.

The invention discloses an elastic net, a self-supporting electrode, an electrolysis assembly and an electrolytic bath, the elastic net is obtained by weaving metal wires and plastic fibers, the elastic net comprises a plurality of first ribs protruding towards one side and a plurality of second ribs protruding towards the other opposite side, and the first ribs and the second ribs are alternately connected into a whole; therefore, an uneven contact surface is formed on the surface of each side of the elastic net. The metal wires and the plastic fibers are compositely woven, a wave-like elastic net structure is obtained through subsequent compression molding, on one hand, the plastic fibers endow the elastic net with more excellent strength, resilience force and stability, and it is guaranteed that the elastic net can stably make contact with electrodes and polar plates on the two sides; on the other hand, the metal wires can be woven more tightly through the plastic fibers, and compared with a metal woven net with the same weaving density, the contact resistance of the elastic net is reduced, and the electrolysis efficiency is improved.

The invention provides a woven nerve conduit with piezoelectric performance and a preparation method and application thereof, and belongs to the field of nerve conduits.The preparation method comprises the steps that degummed silk is soaked in a dopamine hydrochloride solution, sodium hydroxide is added to adjust the pH value, and stirring is conducted to obtain polydopamine modified degummed silk; dispersing the polydopamine modified degummed silk, EDOT and FeCl3. 6H2O in an ethanol solution, stirring, centrifuging, washing and drying to obtain PEDOT modified degummed silk; the degummed silk modified by PEDOT is used as weaving yarn, and a nerve conduit skeleton is woven through a three-dimensional weaving technology; preparing a glycine solution, crystallizing and grinding to obtain beta-type glycine; pLLA particles are dispersed in hexafluoroisopropanol to be dissolved, beta-type glycine is added to obtain a PLLA-coated Gly solution, a PLLA-coated Gly fiber membrane is prepared on the surface of a nerve conduit skeleton through electrostatic spinning, and the woven nerve conduit with the piezoelectric property is obtained. The novel nerve conduit is developed by combining the three-dimensional weaving technology and the piezoelectric material, and a better solution is provided for nerve restoration.

The utility model discloses an opening auxiliary tool for three-dimensional weaving, which comprises a leading-in part and a chambering part connected with the leading-in part, the leading-in part and the chambering part are arranged along the length direction of the opening auxiliary tool, the rear end of the leading-in part is fixedly arranged with the front end of the chambering part, and the rear end of the chambering part is fixedly arranged with the leading-in part. The leading-in part is a sheet body of which the width is gradually reduced from back to front, and the edge of which the width is gradually reduced is a smooth line; the perimeter of the shape of the rear end face of the leading-in part is 2L; with the center line of the opening auxiliary tool in the length direction as the axis, all the perimeters of the reaming part are the same and are 2L; the lead-in part is positioned on the plane of the axis; the edge of the rear end face of the leading-in part and the edge of the rear end face of the reaming part are in smooth transition. The opening auxiliary tool can achieve accurate control over the size of the cavity, and assists in solving the problems that in the prior art, deviation between design parameters and actual production parameters is large, and fabric structure control is difficult in the three-dimensional weaving process.

The invention discloses an anti-fibrosis drug coating degradable woven stent for treating urethrostenosis, the stent is a hollow cylinder formed by spirally weaving wires, the wires are made of biodegradable polymer materials, the surface of the stent is coated with a drug coating, anti-fibrosis drugs are selected as the drugs, and the anti-fibrosis drug coating is made of biodegradable polymer materials. The drug coating is prepared by using an ultrasonic atomization spraying method; the biodegradable polymer material comprises one or a compound of more than one of poly L-lactic acid, poly D, L-lactic acid, poly (L-lactic acid / D, L-lactic acid), poly (glycolide / lactide), poly (glycolide-lactide), poly (L-lactic acid / caprolactone), poly (glycolide / caprolactone), poly (D, L-lactic acid / caprolactone), polydioxanone and the like. The stent body is made into a self-expanding stent by adopting a weaving method; the biodegradable ureteral stent with the drug coating has good biocompatibility, degradability and mechanical property, and has a wide market application prospect.

The invention provides a coordinated control method and system for a pultrusion line, and belongs to the technical field of plastic state substance processing. The production requirement information is analyzed, and a weaving instruction is sent to a weaving machine to weave a net-shaped layer; controlling a winding machine to wind wefts to obtain a fiber braided fabric; injecting liquid resin into the fiber braided fabric; and the fiber braided fabric injected with the liquid resin is heated, cured and formed through pultrusion equipment, speed coordination control is conducted based on a traction machine, and a target production product is pulled out through pultrusion and traction. According to the pultrusion line coordination control method and system, the fiber braided fabric is braided and wound on the basis of the production requirement information, the liquid resin is injected into the fiber braided fabric, the fiber braided fabric injected with the liquid resin is heated, cured and formed through the pultrusion equipment, and speed coordination control is conducted on the basis of the traction machine; and a target production product is pulled out through pultrusion, so that the production efficiency of the extruded and drawn wire is greatly improved.

The invention discloses a two-dimensional weaving platform for twelve-strand square solid fishing lines, and belongs to the technical field of weaving equipment. The weaving platform comprises a guide rail disc. The multiple gears are arranged on one side of the guide rail disc in a square shape and meshed with each other, and every two adjacent gears are opposite in rotation direction; the number of the drive plates is matched with that of the gears, the arrangement mode of the drive plates is the same as that of the gears, the drive plates are provided with first grooves and second grooves, and the second grooves are symmetrically formed in the two sides of the first grooves; the guide rails are located on the guide rail disc, and the two guide rails are perpendicularly arranged in a crossed mode. The spindle is installed in the first groove, and the gear and the drive plate are arranged on the periphery of the shaft in a sleeving mode and rotationally connected with the shaft. And the driving plate drives the spindles to move in the guide rail, so that yarns carried by the spindles are mutually crossed and laminated to form the square solid-core fishing line. The wear resistance and tensile strength of the fishing line can be improved, the yarns are not rubbed, and the fishing line is uniform in overall thickness, free of weak points, good in toughness, resistant to rolling and wind swing and moderate in ductility.

The invention provides a constant tension control automatic yarn take-up and pay-off yarn carrier and a control method thereof, and belongs to the technical field of three-dimensional weaving, the constant tension control automatic yarn take-up and pay-off yarn carrier comprises a spring thread guide mechanism, a yarn guide rod and a yarn bobbin, the spring thread guide mechanism, the yarn guide rod and the yarn bobbin are all fixedly installed on a base, the yarn bobbin is driven by a motor, and the motor is connected with a battery and a single-chip microcomputer. When the yarn tension adjusting device works, the real-time tension value of the yarn is compared with the set tension value, then the corresponding actual output value is calculated through the PID algorithm, and the motor is driven to rotate so as to drive the yarn cylinder to rotate to collect and release the yarn, so that the yarn tension is adjusted. The device is simple in structure, external power supply is not needed during working, the influence of a yarn path on the yarn quality in the yarn winding and unwinding process is small, the tension can be rapidly and accurately adjusted, the tension is kept at a set value, extremely high universality is achieved, the knitting efficiency and the quality of knitted fabric can be improved, and development of the three-dimensional knitting technology and expansion of the application range are promoted.

The invention discloses a preparation process of a flexible and wear-resistant high-tension rope belt, and relates to the technical field of shoe material application, and the preparation process comprises the following steps: S1, yarn selection: taking high-performance fiber filaments as core yarns of the rope belt, and mixing the high-performance fiber filaments and PET fiber filaments to be used as wrapping yarns of the rope belt; s2, enhancement treatment: carrying out polytetrafluoroethylene coating treatment through a coating machine; s3, proportioning: selecting fiber filaments for proportioning; s4, spooling: separately spooling the fiber filaments on a spindle of a knitting machine for spooling; s5, weaving, wherein a rope belt weaving machine adopts a three-dimensional multidirectional mode for weaving; and S6, heat sealing treatment is conducted, specifically, heat sealing treatment is conducted on the ends of the rope belt. The high-performance fiber filaments serve as the core yarn of the rope belt, and the high-performance fiber filaments and the PET fiber filaments are mixed to serve as the wrapping yarn of the rope belt, so that the prepared rope belt keeps high tensile strength, has excellent flexibility and can meet the requirement of a knob type locking system for shoes for physical properties of the rope belt.

The utility model provides a square fishing line knitting machine, and relates to the technical field of cleaning machines. The device is provided with a discharging platform and a supporting frame, a recycling mechanism is installed on the supporting frame, a plurality of discharging rotating discs are arranged on the discharging platform, a plurality of sliding seat clamping grooves are evenly formed in the outer ring sides of the discharging rotating discs, spindles are installed on the sliding seat clamping grooves, a multi-ring knitting track groove is formed below the discharging rotating discs, and the multi-ring knitting track groove comprises a plurality of circular ring grooves. A plurality of circular ring grooves of the multi-ring knitting track groove are sequentially connected in a tangent mode, every two adjacent circular ring grooves are communicated at the tangent point, and the spindles installed on the discharging rotary disc sequentially slide along the multi-ring knitting track groove. A special square weaving mode is creatively adopted, the woven structure formed after weaving is square, the inherent idea that the woven structure of the fishing line is round is broken through, gaps in the middle of the woven fishing line are reduced, the woven fishing line is more compact, and the abrasion resistance and the tensile strength of the fishing line are improved.

Vascular treatment devices and methods include a woven structure including a plurality of bulbs that may be self-expanding, a hypotube, for example including interspersed patterns of longitudinally spaced rows of kerfs, and a bonding zone between the woven structure and the hypotube. The woven structure may include patterns of radiopaque filaments measureable under x-ray. Structures may be heat treated to include various shapes at different temperatures. The woven structure may be deployable to implant in a vessel. A catheter may include a hypotube including interspersed patterns of longitudinally spaced rows of kerfs and optionally a balloon. Laser cutting systems may include fluid flow systems.