37 results about "Hemostatic gauze" patented technology

The invention provides antibacterial carboxymethyl cellulose hemostatic gauze and a preparation method thereof.The preparation method comprises the steps that carboxymethyl cellulose gauze is soaked in a PBS buffer solution, N-hydroxysuccinimide and 1-ethyl-(3-dimethylaminopropyl) carbodiimide are added into the PBS buffer solution, and a soaking solution is obtained after uniform mixing; adding the graft modified alginate oligosaccharide into the soaking solution, mixing and stirring to generate grafting reaction, taking out the carboxymethyl cellulose gauze after the reaction is finished, washing and drying to obtain the antibacterial carboxymethyl cellulose hemostatic gauze. According to the preparation method disclosed by the invention, the catechol-grafted modified alginate oligosaccharide and partially carboxymethylated carboxymethyl cellulose gauze are subjected to amidation grafting compounding, so that the hemostatic gauze with excellent antibacterial and hemostatic properties is prepared.

The invention relates to a hemostasis method scheduling and priority ranking method in war wound first aid. The method comprises the following steps: acquiring key parameters of a wounded person based on multi-source data including visual images, wearable physiological monitoring and voice input, wherein the key parameters include the bleeding amount, the wound part, the bleeding speed and vital signs; constructing a hemostasis urgency degree evaluation model, and mapping each wounded person into a hemostasis urgency degree index BUI; each BUI index is used as one of input parameters for subsequent scheduling and sorting, so that the system is driven to start by injury conditions, and a basic priority sequence is established; the method comprises the following steps: carrying out classification modeling on common hemostasis methods including tourniquets, hemostatic gauze, injection type hemostatic agents and air pressure hemostasis equipment, and establishing an applicable condition matrix; constructing a scheduling rule engine, and dynamically recommending a matched hemostasis method set in combination with the BUI index of the wounded, the wound part, the means adaptability and the risk factor; and a scheduling algorithm is utilized to distribute hemostasis means combination and sequence for each wounded.

The invention discloses a preparation method of antibacterial hemostatic gauze, and belongs to the technical field of gauze preparation, the preparation method comprises pretreatment, first soaking treatment, second soaking treatment, third soaking treatment, fourth soaking treatment, fifth soaking treatment, sixth soaking treatment and post-treatment; the primary soaking treatment comprises the following steps: completely soaking the pretreated gauze in 1, 5-pentanediol, standing at room temperature, taking out the gauze, and vertically hanging to obtain the gauze subjected to the primary soaking treatment; the fourth soaking treatment comprises the following steps: completely soaking the gauze subjected to the third soaking treatment in a zinc oxide dispersion liquid, standing at room temperature, taking out the gauze, and vertically hanging to obtain the gauze subjected to the fourth soaking treatment; the gauze prepared by the preparation method disclosed by the invention is good in lasting antibacterial function, hemostatic function, operability, storage resistance and air permeability, and the indexes of the lasting antibacterial function of the surface are uniformly distributed.

The invention discloses a control and regulation system for hemostatic gauze production, which comprises a raw material supply control module, a production process monitoring module, an intelligent regulation execution module, a quality detection and feedback module and a human-computer interaction interface, and is characterized in that the raw material supply module is used for accurately controlling raw material supply and is provided with a material level sensor and a stirring device; the conveying speed is accurately regulated and controlled through a formula, the uniformity of raw materials is ensured, the production process monitoring module monitors key parameters in real time, the sensor wirelessly transmits data, and the intelligent adjusting module automatically adjusts equipment operation parameters. The quality detection module detects products and feeds back results, and a man-machine interaction interface is convenient to operate. Through cooperation of all the modules, raw material supply is accurately controlled, production parameters are monitored in real time, equipment operation is intelligently adjusted, product quality is strictly detected, convenient interaction is provided, the production quality and efficiency of hemostatic gauze are improved, cost is reduced, and high-quality and reliable hemostatic products are provided for the medical field.

The present invention provides a hemostat for a vascular puncture, and relates to the technical field of medical devices. The hemostat for a vascular puncture provided by the present invention comprises: a hemostatic umbrella, a hemostatic gauze, a conveying device, a pulling device and a pushing device; the pushing device is inserted into the conveying device, and the pulling device passes through the conveying device and the conveying device; the distal end of the hemostatic umbrella is connected to the distal end of the pulling device, and the hemostatic gauze is connected to the distal end of the pushing device. The hemostatic umbrella is used as a positioning device for the inner wall of the blood vessel to ensure accurate positioning, the hemostatic gauze can be blocked on the outer wall of the blood vessel, and the hemostatic gauze can be made of degradable ribose hemostatic gauze or carboxymethyl cellulose hemostatic gauze with coagulation effect, and hemostasis is achieved by using the dual effects of compression and coagulation, thereby improving the speed and reliability of hemostasis.

A medical hemostatic gauze piece effectively solves the problems of troublesome operation and poor air permeability, and comprises a circular ring, a gauze piece is placed in the circular ring, the gauze piece is provided with a hemostatic pad and an antibacterial pad, an annular sticker is fixed on the circumference of the circular ring, release paper covers the sticking surface of the sticker, and the release paper completely covers the lower surface of the circular ring. The outer edge face of the circular ring is in threaded connection with an end cover, and a plurality of air holes communicated with the gauze piece are evenly formed in the upper portion of the end cover.

The invention provides a hemostasis device for outpatient nursing. The hemostasis device structurally comprises an adsorption bottom plate, a base, a hemostasis end, a small connecting frame and a small driver, the adsorption bottom plate covers the lower layer part of the base, and the center of the surface layer of the base and the center of the hemostasis end coincide with each other; the hemostasis end is improved, an injured limb is flatly placed through a parallel block and a placement plate, then a control screen of a small connecting frame is combined with a power supply module to provide electric energy for a small driver, the small driver is combined with a program to control forward and reverse rotation of a rotating screw, and therefore the rotating screw drives a hemostasis module to descend; the hemostatic gauze in the arc-shaped plate can cover an injured limb in a large range, fixed-point covering hemostasis can be formed, an original manual winding hemostasis process is replaced, and therefore secondary damage caused by continuous moving or shaking when the injured limb is serious can be avoided.

The invention discloses a roll overturning device for hemostatic gauze production, and relates to the technical field of hemostatic gauze, the roll overturning device comprises a bottom plate, an overturning mechanism is arranged above the bottom plate, the overturning mechanism comprises two fixing frames, the inner wall of each fixing frame is fixedly connected with a first bearing, the inner rings of the two first bearings are jointly and fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a rotating shaft. The outer surface of the rotating shaft is fixedly connected with a fixing plate, the bottom surface of the fixing plate is fixedly connected with three connecting plates, and according to the roll overturning device for hemostatic gauze production, the overturning mechanism, the lifting assembly and the conveying assembly are integrated, so that full-process automatic operation of a hemostatic gauze roll from conveying, clamping, overturning to transferring is achieved; dependence on manual overturning in traditional production is thoroughly eliminated, manual operation does not need to directly participate in overturning and carrying of the gauze rolls, the labor intensity of operators is greatly reduced, efficiency fluctuation caused by fatigue during manual operation is avoided, and the high-speed operation requirement of an automatic production line can be continuously met.

The invention provides a cervix uteri hemostasis device which comprises a device body, the device body comprises a mounting cylinder device and a push rod device, one end of the push rod device is arranged in the mounting cylinder device, a gauze placement section is arranged in the mounting cylinder device, hemostatic gauze is arranged in the gauze placement section, the push rod device comprises a push rod part and a push plate, and the push rod part is arranged on the push rod part. One end of the push rod part is in contact with the hemostatic gauze, and the other end of the push rod part is fixedly connected with the push plate; according to the cervix uteri hemostasis device, the hemostasis gauze is pushed into the vagina by pressing the push plate to achieve hemostasis, the hemostasis gauze is taken out through the traction line, a patient can take out and replace the gauze in a self-service mode through the device, the cost expenditure of the patient is reduced, and pain in the replacement process is relieved.

The hemostasis compressor comprises a universal support (1) arranged on the edge of a bed, a main body plate (2) is arranged at the movable end of the universal support (1), hemostasis gauze (3) is connected to the plate face of the main body plate (2) through an elastic piece, a fixing plate (4) is arranged on the plate face of the main body plate (2), a transverse moving assembly (5) is arranged on the fixing plate (4), and the transverse moving assembly (5) is connected with the universal support (1). A fixing seat (6) is arranged at the moving end of the transverse moving assembly (5), an air cylinder fixing frame (7) is arranged at one end of the fixing seat (6), and an air cylinder (8) is arranged in the air cylinder fixing frame (7). By adjusting the radial size of the pressing piece, the device adapts to different puncture openings, and flexible pressing hemostasis of the puncture openings is achieved.

The utility model provides a kind of hemostatic gauze ball with hemostatic medicament, it is related to gauze technical field, including sphere and medicament ball, the sphere includes absorbent cotton and gauze mesh belt, the absorbent cotton is spherical, the gauze mesh belt is wrapped in the outside of absorbent cotton, the inside center of absorbent cotton is equipped with inner cavity, the medicament ball is equipped inside inner cavity;The side of the sphere is equipped with hole, and hole is connected to the inside of inner cavity, the inside of hole is equipped with extrusion membrane;The utility model embeds medicament ball in sphere, without extra preparation medicine, when using, only need to lay under sphere to wound, extrude extrusion membrane, press the membrane of broken medicament ball, hemostatic medicament can flow out downwards, carry out quality to wound, it is convenient and fast to operate, it is convenient to use anytime, and when laying, by liquid guide wire core increase the speed of hemostatic medicament in inner cavity flowing downwards gauze mesh belt, with quick-dissolving effect, improve the efficiency of drug action.

The invention discloses polysaccharide aggregate composite hemostatic gauze and a preparation method thereof, and relates to the field of biomedical materials.The polysaccharide aggregate composite hemostatic gauze is prepared by compounding polysaccharide aggregate on the surface of gauze, adding hydrophobic molecules and an activating agent into a water-soluble polysaccharide solution, and preparing the polysaccharide aggregate composite hemostatic gauze. The preparation method comprises the following steps: grafting a hydrophobic functional substance on a polysaccharide macromolecular main chain to prepare a polysaccharide assembly modified with hydrophobic molecules; adding adhesive molecules capable of mediating supramolecular acting force and an activating agent into the polysaccharide assembly solution, and modifying the adhesive molecules and the activating agent on the polysaccharide assembly to prepare a polysaccharide aggregate modified with hydrophobic and adhesive molecules; and finally, compounding the polysaccharide aggregate on the gauze in a dipping, spraying or spin-coating manner to obtain the polysaccharide aggregate composite hemostatic gauze. The sugar aggregate composite hemostatic gauze provided by the invention has good mechanical properties and proper blood absorption, can realize ultrafast hemostasis in a massive hemorrhage scene, and improves the survival rate of the wounded.

The invention discloses a hemostatic material, hemostatic gauze and a preparation method thereof, and belongs to the technical field of hemostasis. The hemostatic material comprises a multi-element metal organic framework material, the hemostatic gauze is gauze loaded with the hemostatic material; the hemostatic material is obtained by coordination of metal ions or metal ion clusters and ligands. The metal ions comprise aluminum ions and iron ions, and the ligands comprise multi-element ligands; through cooperation of two doped metal ions, multistage hydrophilic sites are constructed, and the hemostatic behavior of the hemostatic material is regulated and controlled; through matching of multi-element ligands, the pore structure of the hemostatic material is regulated and controlled, the water adsorption kinetics of the hemostatic material is improved, and the water adsorption capacity of the hemostatic material is improved. The hemostatic material and the hemostatic gauze have the characteristics of high hemostatic speed and good hemostatic effect. The preparation method has the characteristics of simplicity in operation and easiness in industrialization.

1. The name of the product of this design: packaging bag (chitosan hemostatic gauze). 2. Purpose of the product of this design: used for the outer packaging of chitosan hemostatic gauze. 3. The design key point of this appearance design product lies in the combination of pattern and color. 4. The picture or photo that best illustrates the key points of the design: main view. 5. The design for which protection is sought includes color. 6. This appearance design product is a thin product, and the left view is omitted; this appearance design product is a thin product, and the right view is omitted; this appearance design product is a thin product, and the top view is omitted; this appearance design product is a thin product, and the bottom view is omitted.

1. The name of the product of this design: packaging bag (kaolin hemostatic gauze). 2. Purpose of the product of this design: used for the outer packaging of kaolin hemostatic gauze. 3. The design key point of this appearance design product lies in the combination of pattern and color. 4. The picture or photo that best illustrates the key points of the design: main view. 5. The design for which protection is sought includes color. 6. This appearance design product is a thin product, and the left view is omitted; this appearance design product is a thin product, and the right view is omitted; this appearance design product is a thin product, and the top view is omitted; this appearance design product is a thin product, and the bottom view is omitted.

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.

The invention discloses medical hemostatic gauze with an anti-adhesion effect and an inorganic array structure. The preparation method of the hemostatic gauze comprises the following steps: dissolving the soluble divalent metal salt, the soluble trivalent aluminum salt and the urea in the deionized water, adding the nanoparticles, and transferring into a hydrothermal kettle; immersing gauze into the solution for hydrothermal reaction, and cleaning and drying to obtain the medical hemostatic gauze with the inorganic array structure. And adding the gauze into a methanol solution of sulfuric acid, a methanol solution of sodium bicarbonate or a methanol solution of hydrochloric acid, and introducing nitrogen for reaction to obtain the intercalated medical hemostatic gauze with the inorganic array structure. By optimizing material combination and microstructure, the obtained gauze with the inorganic array structure can rapidly coagulate after being in contact with blood, meanwhile, by means of unique surface characteristics, excessive adhesion of the gauze and tissue around a wound is effectively blocked, the healing process is accelerated, the problem of intraoperative and postoperative bleeding control is solved, and the healing effect is improved. The tissue adhesion resistance of the gauze is obviously improved, and the injury to a patient during dressing change is reduced.

The utility model provides a novel hemodialysis bandage monitor. The novel hemodialysis bandage monitor comprises a mounting shell; the two bandages are fixedly connected to the two sides of the outer surface of the mounting shell respectively, an opening groove is formed in the middle of the bottom of the mounting shell, a monitoring instrument body is fixedly installed in the middle of the top of the opening groove, pressure pumps are fixedly installed on the two sides of the top of the opening groove, and vibration blocks are arranged at the bottom ends of output shafts of the pressure pumps; the arrangement groove is formed in the middle of the top of the vibration block, and a gluing device is arranged at the bottom of the vibration block. According to the novel hemodialysis bandage monitor, the hemostatic gauze is pasted to the bottom of the vibration block through the mucilage glue device, the vibration block is bound to the arm of a patient through the bandage, the output shaft of the pressure pump is controlled to move to push the vibration block to move up and down to press and stop bleeding at the acupuncture position of the patient, and the novel hemodialysis bandage monitor is simple in structure, high in practicability and suitable for popularization and application. And the pressing force is automatically controlled, so that the practicability and the flexibility of the device are improved.

The utility model discloses a rapid compression hemostasis device for puncturing a PICC (Peripherally Inserted Central Catheter) midline catheter opening, which relates to the technical field of medical instruments and comprises hemostatic gauze, a sticking component is fixedly mounted on the surface of the hemostatic gauze, a bandage component is fixedly mounted on the outer wall of the sticking component, and a protective component is arranged on one side of the sticking component and the hemostatic gauze. The pasting assembly comprises a left pasting piece and a right pasting piece, and left release paper is pasted on the surface of the left pasting piece. When the rapid compression hemostasis device for puncturing the PICC midline catheter opening is used, the protection assembly is taken down from the surfaces of the left pasting piece and the right pasting piece, the hemostatic gauze is exposed, the hemostatic gauze is applied to the puncture opening, the left release paper and the right release paper are sequentially removed from the surfaces of the left pasting piece and the right pasting piece through the convenient-to-tear part, and then the puncture opening is formed. The arm fixing device is simple in overall structure, convenient and fast to operate, time-saving and labor-saving, and the workload of medical staff is effectively relieved.

The invention provides efficient antibacterial and hemostatic junci medulla gauze and a preparation method thereof. The efficient antibacterial and hemostatic junci medulla gauze comprises a cotton yarn layer and a hydrophilic junci medulla layer, the cotton yarn layer is formed by weaving cotton warp yarns and cotton weft yarns; the junci medulla layer is composed of a plurality of junci medulla uniformly distributed in the weft direction; the junci medulla and the cotton warp yarns of the cotton yarn layer are fixed through a double-layer binding and weaving structure, so that the cotton yarn layer and the junci medulla layer are fixed. The cotton yarn layer and the junci medulla layer are compounded in a specific weaving mode of a binding structure, and the high-performance hemostatic gauze of a specific structure is obtained; on the basis, the cotton yarn layer is subjected to hydrophobic treatment, the efficient hemostatic gauze with one hydrophobic cotton layer and the other hydrophilic junci medulla structure is obtained, the structure is novel, and the application range is expanded; according to the structure, a promising strategy is provided for solving the problems that existing hemostatic gauze is low in hemostatic efficiency and high in wound healing infection risk.

The utility model discloses a kind of postoperative compression hemostasis devices of ear surgery, it includes headband bandage, and headband bandage is equipped with compression device, and compression device includes base, elastic air cushion and hemostatic gauze, base is connected with headband bandage, the rear end of elastic air cushion is detachably connected with base, hemostatic gauze is attached on the front end face of elastic air cushion and is fixed with elastic air cushion by connecting piece, the inside of elastic air cushion is equipped with pressure cavity and ventilation cavity, and the front end face of elastic air cushion is evenly distributed with several air holes, and the below of elastic air cushion is equipped with first airbag ball and second airbag ball for providing compressed air, first airbag ball is communicated with pressure cavity, and second airbag ball, ventilation cavity and air hole are sequentially communicated.The utility model provides a kind of postoperative compression hemostasis devices of ear surgery, and it is easy to operate for the compression hemostasis process of ear surgery postoperative incision position, can adjust pressure according to compression hemostasis effect arbitrarily, and can improve the air permeability of compression position.

The utility model relates to the technical field of medical pressurizers, and discloses an elastic nylon two-section type Velcro pressurizer which comprises an elastic nylon belt, a first son Velcro is fixedly sewn on one side, far away from a square frame, of the elastic nylon belt, a first mother Velcro is fixedly sewn on one side, far away from the first son Velcro, of the elastic nylon belt, and a second son Velcro is fixedly sewn on the other side of the elastic nylon belt. And second sub magic tapes are fixedly sewed on the outer walls of the two adhesive tapes and the connecting tape. According to the elastic nylon two-section type hook and loop fastener pressurizer, when the hemostasis pressurizer needs to be used, hemostatic gauze is placed in a square frame, an elastic nylon belt is attached to the wounded part of a patient, the elastic nylon belt is pulled, a first child hook and loop fastener and a first mother hook and loop fastener are attached together, and a second mother hook and loop fastener and a second child hook and loop fastener are attached together; the elastic nylon belt can be fixed by the elastic nylon belt, and the extrusion effect can be realized under the condition of pulling and tightening, so that a very good hemostatic effect can be achieved, and the effect of quicker use is achieved.

The utility model relates to the technical field of gauze cutting, in particular to a hemostatic gauze cutting device which comprises a rack and a cutting table arranged in the rack. A gauze roller is rotationally connected to the left side of the upper end of the cutting table, a plurality of cutting grooves are formed in the upper end of the cutting table, fixed blades are fixed in the cutting grooves, a lifting plate is arranged above the cutting table, a plurality of movable blades are fixed to the lower end of the lifting plate, and the movable blades correspond to the fixed blades up and down; a plurality of pressing plates are arranged below the lifting plate, and pressing rods are fixed to the upper ends of the pressing plates; the fixed blade is arranged in the cutting groove, so that the fixed blade can be prevented from scratching the hand of a worker, the cutting work is safer, long gauze can be pressed in advance through the pressing plate, then the movable blade is matched with the fixed blade, multiple sections of gauze with the same length can be rapidly cut out, and the cutting efficiency is improved. And the cutting efficiency is effectively improved.

The utility model discloses a soluble hemostatic gauze bandage, belonging to the technical field of medical supplies. The technical scheme thereof includes a substrate layer, a liquid absorbing layer is arranged on the top of the substrate layer, and a hemostatic layer is arranged on the top of the liquid absorbing layer. The substrate layer includes a bottom base layer, an isolation layer is arranged on the top of the bottom base layer, and a connecting layer is arranged on the top of the isolation layer. The hemostatic layer can be quickly dissolved into a highly adhesive jelly after contacting with a bleeding wound surface, effectively covering and blocking damaged capillaries, and at the same time, the blood is concentrated and coagulation factors are activated, thereby achieving the effect of effectively shortening the coagulation time, thereby reducing the pain of nerve endings, and can also effectively prevent adhesion when replaced. At the same time, the liquid absorbing layer can be used in conjunction with the liquid absorbing layer, and the liquid absorbing layer can absorb a large amount of blood or exudate to avoid wound infection and improve the use effect.

The present invention discloses a zeolite kaolin composite hemostatic gauze and a preparation method thereof. The composite hemostatic gauze includes a flexible zeolite gauze and a kaolin-adhesive mixed coating; the flexible zeolite gauze is obtained by in-situ growth of zeolite, and the zeolite is directly connected to the flexible gauze substrate by a covalent bond; the kaolin-adhesive mixed coating is formed by coating kaolin or kaolin-like minerals and a binder on the flexible zeolite gauze after being evenly mixed and then dried, and it covers the flexible gauze substrate and part of the zeolite surface, but there is no zeolite between the flexible gauze substrate. The present invention introduces kaolin or kaolin-like minerals in the adhesive coating, so that kaolin or kaolin-like minerals and polymer latex particles are on the surface of the flexible gauze substrate and part of the zeolite surface, and there is a synergistic effect, which not only improves the hemostatic efficiency of the zeolite gauze, but also reduces the amount of binder used, significantly reduces the powder shedding rate, enhances material safety and stability, and extends the product shelf life.

The utility model discloses a fast hemostatic gauze with three layers of medicine line composite structure relates to medical supplies technical field, including gauze, the side of gause is close to the one end edge place and is overlapped with support layer, core layer and contact layer and is fixedly installed with the connecting strip of the other side of gauze, and the opposite side of connecting strip and support layer is close to the side of gauze one end flush, this scheme passes through the above of support layer after gauze bypasses human body hemorrhage position, then passes through connecting strip and reversely stacks in the above of support layer, can form three layers of gauze stacking, through the location of connecting strip, can make gauze pass through connecting strip after can conveniently tighten, increase the force of support layer, core layer and contact layer and the contact of wound place, through such structural design, can conveniently bandage fixed bleeding part when using, improves the stability of hemostasis.

The application discloses a medical material extraction machine, which comprises a frame, an outer cylinder arranged in the frame, a special inner cylinder arranged on the outer cylinder, a damping device arranged in the frame, a driving motor arranged in the frame, an evaporation fan arranged in the frame, an air heater arranged in the frame, a liquid pump arranged on the frame, a pipeline device arranged on the liquid pump, a rotating shaft arranged on the outer cylinder, a door body arranged on the frame and an exhaust valve arranged on the outer cylinder. The application relates to the medical material extraction machine, which has the characteristics of being suitable for the preparation of hemostatic gauze and scald gauze textile materials and being used for the cleaning replacement and evaporation of fibrous sodium alginate and integrating the functions of cleaning, extraction and evaporation.

The application provides an external wound hemostatic gauze injection device, which comprises an injection mechanism, an auxiliary mechanism arranged on the outer side of the injection mechanism and a hemostatic mechanism filled in the inner side of the injection mechanism; the injection mechanism comprises a syringe barrel, a piston rod slidably connected to the inside of the syringe barrel, and an injection end piston plate fixedly connected to the bottom end of the piston rod and movably arranged in the inside of the syringe barrel; the injection end piston plate is matched with the hemostatic mechanism through a connecting wire, so that the hemostatic mechanism can be prevented from falling off during the injection process in use; a supporting and reinforcing wire is matched with the hemostatic mechanism, so that the structural stability of the hemostatic mechanism is enhanced and the hemostatic mechanism can be prevented from being damaged due to the pushing force during the injection; the connecting wire and the supporting and reinforcing wire are both developing wire lines containing barium sulfate, can be developed under X-ray, are convenient to take out after being accidentally lost, can avoid causing adverse conditions due to residues, the hemostatic mechanism has good biocompatibility and degradability, can effectively stop bleeding, and can consider the hemostatic effect and use safety according to needs.

The invention provides novel multi-layer composite hemostatic gauze based on modified zeolite and a preparation method thereof. The gauze comprises a modified zeolite core layer from inside to outside, the content of Ca < 2 + > is increased to 6-13 wt% through ion exchange, 0.4-1.2 wt% of prothrombin activator is loaded, platelet activation is promoted through high-calcium zeolite, and the blood coagulation time is shortened to 46.7% of that of a conventional product. A temperature control buffer layer, a calcium alginate / polyethylene glycol hydrogel layer with the thickness of 5-10 [mu] m and a phase change material (octadecane microcapsule) containing 3-5 wt%, the phase change material generates phase change heat absorption at 42 DEG C, and the heat release peak value of zeolite is controlled to be 42 DEG C or below. The outer carrier is viscose fiber / silk blended gauze subjected to plasma treatment. The multi-layer composite zeolite hemostatic gauze can be applied to medical instruments for emergency treatment of war wounds, hemostasis in surgical operations and bleeding control of patients in anticoagulation treatment.

The invention discloses composite hemostatic gauze cured by an ionic cross-linked network and a preparation method of the composite hemostatic gauze, and relates to the technical field of biomedical materials and biological medicine manufacturing, and the preparation method of the composite hemostatic gauze cured by the ionic cross-linked network comprises the following steps: preparing a base material: taking a chitosan non-woven fabric as the base material; preparing sizing liquid; padding and sizing are conducted, specifically, a chitosan non-woven fabric base material is soaked in the sizing liquid to be subjected to padding and sizing treatment; pre-drying and sizing: pre-drying the sized chitosan non-woven fabric base material obtained in the padding and sizing step; in-situ cross-linking enhancement: immersing the pre-dried chitosan non-woven fabric base material obtained in the pre-drying and shaping step into a cross-linking solution containing metal ions for cross-linking reaction; and post-processing. The kaolin particles can be physically embedded on the chitosan non-woven fabric base material through the ionic cross-linked network, so that the falling rate of the kaolin is reduced, and the use risk of the composite hemostatic gauze is reduced.