82results about How to "Reduce infection" patented technology

The invention discloses multifunctional hydrogel and application thereof, and belongs to the technical field of biological medicine. According to the multifunctional hydrogel, ketal mercaptan with two hydrazide ends and oxidized dextran are cross-linked to form a cross-linked network containing dynamic covalent bonds. The preparation method comprises the following steps: dissolving ketal mercaptan with two hydrazide ends in deionized water to obtain a ketal mercaptan solution, dissolving oxidized dextran in deionized water to obtain an oxidized dextran solution, mixing the ketal mercaptan solution with the oxidized dextran solution, and standing to obtain the multifunctional hydrogel. The multifunctional hydrogel has pH / ROS dual responsiveness, can respond to inflammation microenvironment and low pH of infectious wounds, remove active oxygen, release therapeutic drugs, regulate macrophage polarization and relieve bacterial infection, thereby playing a key role in inflammation, proliferation and remodeling stages of wound healing to accelerate wound healing. The curcumin-encapsulated liposome is added into the multifunctional hydrogel, so that the antibacterial effect can be further improved.

The invention discloses a preparation method and application of a response type NO release anticoagulant hydrogel material. The preparation method comprises the following steps: providing methylacryloylated recombinant collagen; providing methacrylated hyaluronic acid; providing caffeic acid arginine amide modified hyaluronic acid; the response type NO release anticoagulant hydrogel material is obtained by taking methylacryloylated recombinant collagen, methylacryloylated hyaluronic acid and caffeic acid arginine amide modified hyaluronic acid as raw materials. The prepared hydrogel material has the advantages of resisting bacteria, promoting proliferation of endothelial cells, inhibiting proliferation of smooth muscle cells, resisting inflammation, promoting angiogenesis, inhibiting thrombosis and the like, arginine can serve as an endogenous NO donor in blood to release NO molecules, and therefore the effect of promoting vascular endothelial repair is achieved, and the hydrogel material has the advantages of being capable of resisting bacteria, promoting proliferation of endothelial cells, inhibiting proliferation of smooth muscle cells, resisting inflammation, promoting angiogenesis, inhibiting thrombosis and the like. The introduced NO molecules enable the hydrogel material to have good anticoagulant performance, and the hydrogel material is expected to be used for preparing an artificial blood vessel anticoagulant coating.

The invention discloses an absorbable tissue adhesion material, a preparation method thereof and an application of the absorbable tissue adhesion material in preparation of a body solid material, a coating material or an injectable liquid material. The preparation method comprises the following steps: heating lipoic acid monomer powder to carry out polymerization reaction, and carrying out ultraviolet polymerization on the obtained polymer in a solution in the presence or absence of polyphenol to obtain a lipoic acid polymer which can absorb the tissue adhesion material, the ultraviolet light intensity of the ultraviolet light polymerization is 20-100W / cm < 2 >, and the ultraviolet light wave band is 250-500nm. The absorbable tissue adhesion material disclosed by the invention is a degradable polymer material with excellent tissue adhesion and anti-inflammatory and anti-oxidation characteristics.

The invention discloses a carp robot brain electrode waterproof adapter and carrying device and a using method thereof, and belongs to the field of biological control, and the carp robot brain electrode waterproof adapter comprises a plastic tube cavity, a brain electrode cap, a wire connecting cap, a connector, a clamping device, a supporting plate and a needle tube; the brain electrode cap, the plastic tube cavity, the wire connecting cap and the connector are sequentially connected through a thread structure and finally connected into the waterproof bag. The brain electrode is connected with a lead in the lead connecting cap in a plastic tube cavity through a rubber plug of the brain electrode cap by adopting an auxiliary device needle tube, so that waterproof switching between the brain electrode and the microprocessor is realized; and the clamping device and the supporting plate are used for fixing the device on the skull of the carp. The invention provides a waterproof treatment and carrying device for joints of brain electrodes and wires for underwater motion control of aquatic organism robots such as carps and the like. The device can be combined according to the number of the brain electrodes and can be detached for repeated use.

The invention relates to the related technical field of baijiu making, and discloses a baijiu grain steaming device and a method thereof.The baijiu grain steaming device comprises a grain steaming pot, a plurality of partition plates are arranged in the grain steaming pot at intervals, the circle centers of the partition plates are rotationally connected with rotating pipes in a penetrating mode, the rotating pipes are rotationally connected into the grain steaming pot, and the rotating pipes located between the adjacent partition plates symmetrically and vertically communicate with air outlet pipes; the outer side face of the air outlet pipe on one side above each partition plate is slidably connected with a material pushing plate, the rotating pipe in the circle center of each partition plate is sleeved with a connecting column, and the end of the upper side and the end of the lower side of each material pushing plate are slidably connected to the bottom face and the top face of the adjacent connecting column in a limited mode; the grain steaming machine has the following advantages and effects that by arranging the multiple layers of partition plates and controlling grains on the partition plates, the uniformity and stability of grain steaming are guaranteed, the grain steaming efficiency is improved, and the grain steaming quality is further guaranteed by adopting the modes of high temperature and high pressure of steam, thorough grain sterilization, reduction of fermentation infectious microbe infection and twice grain steaming.

The invention relates to an acellular matrix material with biological functional activity and a preparation method thereof. The preparation method comprises the following steps: 1) providing an acellular matrix material subjected to crosslinking treatment; 2) reacting the crosslinked acellular matrix material with a biocompatible polymer, wherein the biocompatible polymer has a reactive group and a first subject and / or guest molecule; the reactive group is covalently bonded to a functional group on the acellular matrix material; and 3) reacting the acellular matrix material obtained in the step 2) with a second subject and / or guest molecule modified by a biological functional active substance through subject-guest interaction. Through the mode, the anti-calcification performance and the biological activity of the acellular matrix material can be improved at the same time, and the acellular matrix material is flexibly endowed with various biological function activities.

The present invention provides an application of a three-domain protein 2 (TRIM2), which specifically targets and knocks out the gene to inhibit its protein expression, thereby inhibiting the infection of porcine epidemic diarrhea virus (PEDV) in host cells, thereby preventing porcine epidemic diarrhea caused by PEDV infection. Therefore, TRIM2 can be used as a potential target molecule for preparing drugs for preventing and treating porcine epidemic diarrhea or for manufacturing gene-edited animals resistant to porcine epidemic diarrhea, and has important economic value.

The utility model relates to chemical reaction appliance technical field discloses the reaction container sealing device for dye method CYP enzyme induction research, including bottle body, the outer wall top of bottle body installs the closed mechanism, the closed mechanism is used for the inside of convenient closed equipment, prevents the inside of equipment from leaking, the outer wall right side of bottle body installs the sampling mechanism, the sampling mechanism is used for the sampling and charging of equipment, reduces the reaction of equipment inside material and outside, the closed mechanism includes the central axis, the central axis sets up in the outer wall top of bottle body. In the utility model, after putting the material to be researched into the inner wall of bottle body, the central axis is inserted into the bottle mouth in alignment, the outer shell is rotated to make the curved groove move, the sliding block is moved along the sliding groove, the sliding groove prevents the displacement of sliding block, the telescopic shaft is extended from the inner wall of central axis, the inside of bottle body is closed, the rubber ring enhances the air tightness to make the sealing pressure of container, the degree of fit consistent reduce the influence on data.

The utility model relates to the technical field of medical auxiliary appliances, in particular to an infusion pipeline protection treatment towel for a central venous indwelling catheter, which comprises a treatment towel main body, a folding area is arranged in the middle of the treatment towel main body, an upper layer treatment towel is arranged on one side of the folding area, and a lower layer treatment towel is arranged on one side of the folding area. A plurality of connecting bands are installed on one side of the lower-layer treatment towel at equal intervals, the elastic telescopic fixing bands are used in cooperation with the fixing rings, and a transparent window is formed in the upper-layer treatment towel. The fixing firmness of a pipeline can be enhanced through the elastic telescopic fixing belts and the fixing rings, displacement of the pipeline is avoided, the pipeline is effectively fixed in the treatment towel body, and the area where the pipeline is fixed can be observed through the transparent window; medical staff can conveniently observe the connection condition of the pipeline and the smooth condition of the pipeline in time, the treatment effect of the medical staff on a patient is conveniently improved, and adverse events are reduced.

The invention relates to the technical field of automatic disinfection, in particular to an automatic disinfection device for hospital health management, which comprises a bracket, a hand washing sink, a first disinfection mechanism and a second disinfection mechanism, the bracket is connected with the hand washing sink, the hand washing sink is provided with a water outlet, the hand washing sink is provided with the first disinfection mechanism, and the front side of the bracket is provided with the second disinfection mechanism. The second disinfection mechanism comprises a first liquid storage frame, steel meshes and a liquid conveying pipe, the first liquid storage frame is arranged on the front side of the support, the steel meshes are connected into the first liquid storage frame, and the liquid conveying pipe is arranged on the first liquid storage frame in a penetrating mode. By installing a second disinfection mechanism, when a user steps on a steel mesh, the sole of the user can be in contact with a disinfectant, and the disinfectant can disinfect the sole of the user, so that the device can effectively disinfect the sole of the user while automatically disinfecting the hand of the user, the sterilization effectiveness is ensured, and the user experience is improved. And virus infection is effectively reduced.

The utility model discloses a plant explant liquid tissue culture device which comprises a box body, an inner ring is fixedly connected to the inner wall of the box body, a large aseptic cotton piece is placed at the top of the inner ring, a suction cup and a limiting frame are fixedly connected to the inner bottom face of the box body, the suction cup is located in the limiting frame, and the large aseptic cotton piece is placed in the limiting frame. A culture assembly is arranged in the limiting frame, the culture assembly comprises a culture box, a placement ring, a sterile cotton piece and a small sterile cotton piece, the placement ring is fixedly connected to the inner wall of the culture box, and the sterile cotton piece is fixedly connected to the bottom of the placement ring. By arranging the box body, the inner ring, the large aseptic cotton piece, the culture boxes, the placing ring, the aseptic cotton piece and the small aseptic cotton piece, the large aseptic cotton piece is arranged in the box body, the small aseptic cotton piece is also arranged in each culture box, and air entering the culture boxes can be disinfected, so that external bacterial infection is reduced, and the survival rate of explants is increased.

The invention discloses supramolecular hydrogel capable of being used as a carrier as well as a synthesis method and application of the supramolecular hydrogel. The drug-loaded supramolecular hydrogel is prepared from the following raw materials: laponite, beta-cyclodextrin modified sodium hyaluronate, (ferrocenyl methyl) trimethyl ammonium bromide and the balance of deionized water. Wherein the hectorite is a substance for forming the network structure of the supramolecular hydrogel serving as the carrier. The supramolecular hydrogel can be used as a macrophage extracellular vesicle carrier for treating burn wounds, has injectable, proper viscosity, porous structure, antibacterial property and the like, is beneficial to wound closure, tissue regeneration, collagen synthesis, cell proliferation and angiogenesis, and is beneficial to tissue regeneration and remodeling.

The utility model relates to a finger application, which comprises a sticking part, a pattern part, an adjusting part and a fixing part, the upper surface of the sticking part is provided with a medicine layer and a first adhesive tape, the sticking part is connected with the pattern part, the fixing part is provided with a bonding layer and a fixing layer, and the peripheral part of the lower surface of the bonding layer is fixedly bonded with the fixing layer. A cavity is formed between the middle part of the lower surface of the bonding layer and the fixing layer, an opening is formed in one end of the cavity, one end of the adjusting part is fixedly connected to the bottom end of the bonding part, and the other end of the adjusting part is clamped and connected into the cavity. By means of the structure, the problems that in existing clinical work, after a child patient finger trauma is bound with breathable sterile gauze, an adhesive tape is wound or a plastic fingerstall is arranged outside, the appearance is bloated and inconvenient, and loosening and slipping are prone to occurring are solved.

The invention relates to a daqin salt moisturizing composition and a preparation method thereof. The composition comprises the following ingredients: daqin salt and oligopeptides with whitening and anti-inflammatory functions. The daqin salt moisturizing composition of the invention adopts daqin salt as exfoliating particles instead of conventional scrub particles, and can kill bacteria and reduce inflammation, resist edema, and promote anti-inflammatory repair. The plant small molecule peptides in the composition have significant whitening and anti-inflammatory effects, can inhibit melanin production, brighten skin tone, even skin tone, and help repair damaged cells. The composition has good skin affinity, is mild and non-irritating, is suitable for various skin types, including sensitive skin, significantly improves skin quality, brightens skin tone, relieves inflammation, and deeply moisturizes, showing excellent skin care effects.

The utility model relates to the related technical field of traditional Chinese medicine nursing, and discloses an auricular point pasting and pressing device for traditional Chinese medicine obstetrics and gynecology nursing, which is characterized in that the front end of a cylinder is connected with an extension rod, the front end of the extension rod is fixedly connected with a fixing block, the front surface of the fixing block is fixedly provided with a ball body, and the surface of the ball body is rotatably provided with a sucker base; suckers are welded to the periphery of the upper surface of the sucker base, a mounting box is fixedly mounted on the left side of the upper surface of the barrel, a containing groove is formed in the inner side of the mounting box, and a rotating shaft is fixedly mounted on the upper surface of the left side of the mounting box. The air bag is arranged in the cylinder body and matched with the extrusion spring for pressing and adsorption, so that the position of the auricular point can be accurately positioned, soft adsorption can be adopted to ensure that pressing force is uniformly applied, it is ensured that the massage or stimulation effect can be uniformly distributed around the whole auricular point, and therefore the treatment effect is improved.

The present invention discloses a mobile bracket device for tunnel construction lighting, comprising a storage bin, the upper end of the storage bin is open, a support guide rail sliding along the vertical direction is provided at the bottom of the storage bin, a mounting seat is fixedly installed at the upper end of the support guide rail, a hinged seat is fixedly installed at the upper end of the mounting seat, a support seat is hingedly installed at the upper end of the hinged seat, a lighting lamp is fixedly installed at the upper end of the support seat, a card cover is rotatably installed on the support seat, the inner side of the card cover is coated with a reflective film, and a cover plate is pull-out installed at the upper end of the storage bin; during the movement of the entire device, the present invention can adjust the inclination angle of the lighting lamp relative to the horizontal plane by rotating the support seat at the lower end of the lighting lamp according to actual needs, and adjust the inclination angle of the horizontal plane of the lighting direction of the lighting lamp, or adjust the horizontal direction of the lighting lamp by rotating the card cover.

The application discloses an ambulance route planning method based on patient state, and relates to the technical field of route planning. The method comprises the following steps: acquiring vital sign data of a target patient and a departure position of the target patient; determining whether the target patient is infected with a virus according to the vital sign data; if the target patient is infected with the virus, acquiring human flow density data and path environment data between the departure position and a target position of an ambulance; and planning a route of the ambulance according to the human flow density data and the path environment data. The application can avoid the areas with concentrated human flow and the areas where the virus is easy to spread, so as to avoid the transmission path and the infection receptor, thereby reducing the infection of bacteria in the first-aid route.

The utility model discloses a high flow oxygen uptake connector suitable for different types of metal tracheostomy cannulas, which comprises an injector, an air injection valve, a high flow oxygen uptake instrument interface, a humidification connector, an inner core and an air bag, the inner core is a hollow cylinder, the outer side wall of the inner core is wrapped with the air bag, the air bag is connected with the air injection valve, and the air injection valve is connected with the high flow oxygen uptake instrument interface. The inner core is provided with an air injection valve, the air injection valve is connected with an injector, the inner core is connected with a high-flow oxygen uptake instrument interface, the high-flow oxygen uptake instrument interface is communicated with the inner core, the high-flow oxygen uptake instrument interface is connected with a high-flow oxygen uptake instrument, and the high-flow oxygen uptake instrument interface is connected with a humidifying connector. According to the utility model, the situation that connectors of different models need to be tried when high-flow oxygen inhalation treatment is carried out on metal tracheostomy cannulas of different models is avoided, the size of the built-in connector is controlled by injecting gas, the tracheostomy tube connector can be matched with the tracheostomy cannulas of different models, the requirements of the tracheostomy cannulas of different models are met, and the tracheostomy tube connector is very convenient.

This utility model relates to the field of textile fabrics, and more particularly to a green and environmentally friendly fabric, comprising a reinforcing surface layer and an environmentally friendly base layer. A heat-melting yarn is disposed between the reinforcing surface layer and the environmentally friendly base layer. The environmentally friendly base layer is made of regenerated cellulose fibers. The top and bottom ends of the heat-melting yarn are fixedly connected to the reinforcing surface layer and the environmentally friendly base layer, respectively. The heat-melting yarn is woven from heat-melting fibers. The reinforcing surface layer is woven from fiber bundles, which include tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers. The tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers are bundled together to form a tight structure. This invention solves the technical problems of insufficient environmental performance and functionality in traditional fabrics.

The utility model discloses an anti-spinning press-fit type built-in artificial limb connector which comprises a broach, the upper end of the broach is suitable for being implanted into a medullary cavity of a stump bone in a press-fit mode and fixedly connected with the medullary cavity of the stump bone, at least two nail holes are formed in the upper end of the broach, and a conical connector is formed at the lower end of the broach; the connector body part is of a special-shaped structure with a thin upper end and a thick lower end, a conical joint groove is formed in the upper end of the connector body part, and the conical joint of the broach and the conical joint groove of the connector body part are assembled in a conical joint mode; the artificial limb connector is connected to the lower end of the connector body in a fastened mode, and the artificial limb connector is suitable for being connected with an external artificial limb through an adapter substitute; the at least two anti-rotation lock nails penetrate through the stump bone and the nail hole of the broach and form power cross locking, so that the artificial limb connector is prevented from rotating. The built-in artificial limb connector can be widely applied to patients subjected to amputation for different reasons, the built-in artificial limb connector and the amputation stump are integrally connected, and the amputation patients can conveniently replace different more comfortable artificial limbs according to own requirements.

The utility model relates to the technical field of aramid fiber fabrics, in particular to a washable anti-aging aramid fiber fabric which comprises an outer surface layer, an interlayer and an inner surface layer, and the outer surface layer is composed of a surface layer, a surface fabric layer and a blending layer; the interlayer is composed of a reinforcing layer, a waterproof film layer and a middle filling layer, and the inner surface layer is composed of an antibacterial layer, a lining fabric layer and a contact layer. The surface layer, the surface fabric layer and the blended layer are matched for use, the surface layer provides waterproof and antifouling functions, the surface fabric layer enhances wear resistance, and the blended layer increases softness, so that durability and protectiveness of the fabric are jointly improved, the fabric can better resist damage of the external environment, and the photocatalyst coating is made of titanium dioxide, so that the fabric is environment-friendly and environment-friendly. When exposed to ultraviolet rays, titanium dioxide can catalytically oxidize organic matters and microorganisms, so that the effects of self-cleaning and air purification are realized, and the photocatalyst coating has the characteristics of environment friendliness, durability and high efficiency.

The present invention discloses a mandibular reconstruction bracket, which is an irregular structure, including a first section and a second section; wherein the oblique angle between the first section and the second section is 30-60 degrees; at least one first nail hole is respectively provided on both sides of the first section, and the first nail hole passes through the first section and a second section, and is used to fix the mandibular reconstruction bracket on a first target object; at least one second nail hole is provided on the first section, and is used to fix the mandibular reconstruction bracket on a second target object. The mandibular reconstruction bracket of the present invention can reconstruct the mandible by means of composite vascularized bone transplantation, and can effectively reduce the occurrence of serious complications such as infection, rejection, and stress shielding caused by reconstruction of the mandible with all-heterogeneous materials.

The utility model discloses a mouse cage for biology teaching research, which comprises a main cage body and padding located at the bottom of the main cage body, the main cage body comprises a first auxiliary cage body and a second auxiliary cage body, the padding is located in the first auxiliary cage body, the second auxiliary cage body is located between the main cage body and the first auxiliary cage body, and the padding is located in the first auxiliary cage body. The main cage body, the second auxiliary cage body and the first auxiliary cage body are sequentially connected in a sliding mode, a first fixing groove is formed in the end, close to the first auxiliary cage body, of the second auxiliary cage body, and a second fixing groove matched with the first fixing groove is formed in the end, close to the main cage body, of the second auxiliary cage body. A partition plate matched with the first fixing groove is arranged at the bottom of the first auxiliary cage body. Compared with the prior art, the mouse cage for biology teaching research has the advantages that the padding in the mouse cage can be quickly replaced, the mesh enclosure and the cage cover do not need to be detached, trouble and labor are saved, direct contact with mice is not needed, and the possibility of infection is reduced.

This utility model discloses an adjustable steam flow rate umbilical therapy device for traditional Chinese medicine, relating to the field of umbilical therapy technology. The device includes: a mounting block with an adhesion ring on its outer side; and an adjustment mechanism located on the outer side of the mounting block, comprising a fixing block and an outlet pipe. An opening is formed on the outer side of the mounting block, and the outlet pipe is housed within the opening. Five sets of outlet holes are formed on the outer side of the outlet pipe, and a fixing block is fixedly mounted on the outer side of the outlet pipe. By rotating a knob, the knob moves on a threaded cylinder, causing the fixing block to move under the guidance of the mounting cylinder. This moves the outlet pipe within the fixing cylinder, positioning the outlet holes within the opening of the mounting block. The outer side of the outlet pipe fits against the inner side of the mounting block, effectively blocking the outlet and reducing the steam flow. This controls the steam flow rate, preventing excessive steam flow and temperature from causing burns to the patient's skin, reducing safety hazards, and improving the therapeutic effect.

The invention provides a medical broken nail extractor, and relates to the technical field of medical equipment. The handle is detachably connected with the polishing head together; and the coupling structure is arranged between the grinding head and the handle and is used for being combined and fixed with the broken nail. The problems that during grinding, the grinding range is large, and the interior of a bone is prone to being damaged during nail taking are solved, through the arranged grinding head, the bone is ground in the nail breaking direction, the grinding range is controlled, damage to the bone is reduced, then through a coupling structure, the ground broken nail is better fixedly connected, and the bone breaking effect is improved. Therefore, the broken nail can be better twisted out, the broken nail can be taken out more conveniently, and meanwhile damage to bones is reduced.

The invention discloses an adjustable nasopharynx cancer mouth opening training device, which belongs to the technical field of medical instruments and comprises a shell, a mouth opening assembly is arranged in the shell, a liquid suction assembly is arranged at the end part of the mouth opening assembly, and a fixing belt is fixed on the outer side wall of the shell. A liquid storage assembly for absorbing and storing saliva discharged from the interior of the liquid absorption assembly is arranged at the bottom of the shell; according to the device, two jacking pieces in the mouth opening assembly synchronously and reversely reciprocate, so that the oral cavity of a patient is driven to be repeatedly opened, the natural mouth opening action can be well simulated, the mouth opening exercise effect of the patient is improved, saliva in the mouth of the patient is sucked and discharged in time through the liquid suction assembly, and the patient is more comfortable to use. Compared with the prior art, discomfort caused by saliva accumulation and even outflow in the mouth opening training process is avoided, the safety of the training process is improved, the saliva is absorbed and stored through the liquid storage assembly, the situation that the saliva flows back into the oral cavity is greatly reduced, and therefore the saliva can be effectively collected, and cleaning is convenient.

The application discloses an anorectal muscle electric stimulation training instrument, which comprises an electric stimulation training instrument main body, wherein the electric stimulation training instrument main body comprises a handle body and a stimulation training rod; the stimulation training rod is arranged at the front end of the handle body; two electrode sheets are arranged at the two sides of the end of the stimulation training rod; an arc-shaped ball end is further arranged at the end of the stimulation training rod; and the electrode sheets are electrically connected with an electric stimulation transmitter host. The anorectal muscle electric stimulation training instrument comprises the electric stimulation training instrument main body, and the electric stimulation training instrument main body comprises the handle body and the stimulation training rod. The electric stimulation training instrument main body is used for replacing the fingers of medical staff to perform rectal stimulation training, so that the fatigue of the medical staff is reduced, the infection of bacteria is reduced, and the stimulation efficiency is improved; different stimulation modes can be used according to different patients, the comfort of the patients is improved, and the patients are facilitated to complete defecation.

This invention provides an external fixation frame for limb fractures, relating to the field of fracture fixation technology. It includes a main fixation component, a secondary fixation component, a length adjustment component, an angle adjustment component, a fixation element, and a movement component. The main fixation component includes a main fixation frame with a main adjustment groove on its long side and main through-channels on both its upper and lower sidewalls. The secondary fixation component includes a secondary fixation frame with a secondary adjustment groove on its long side and secondary through-channels on both its upper and lower sidewalls. The length adjustment component allows for adjustment of the distance between the two fixation positions, making it suitable for fractures of different lengths. Furthermore, the use of a drug-eluting silicone sleeve effectively inhibits early bacterial colonization, significantly reducing the risk of pin tract infection and secondary loosening.

The invention discloses a transperanial endoscope operation channel protection device which comprises a conveyor and a sheath net arranged at the front end of the conveyor, a microscope or an endoscope is guided to conduct various operations in an operation, craniocerebral soft tissue can be protected, a channel is expanded, the endoscope body space occupying effect is relieved, and lens atomization and infection are effectively isolated and reduced. The sheath net is provided with a soft channel with high radial supporting force and can be adaptively attached to the wall (brain tissue) according to the shape and the size of an opening of the brain.