64 results about "Ethylene Oxide Sterilization" patented technology

The invention discloses a medical-grade ultralow-adsorption cycloolefin copolymer (COC) material and a preparation method thereof. According to the material, COC serves as matrix resin, surface-modified nano silicon dioxide is loaded through in-situ polymerization, and a perfluoroalkyl siloxane (PFAS) coating is grafted on the surface of the material through a normal-pressure plasma technology. The preparation method comprises the following steps: surface modification of nano-SiO2, in-situ polymerization of COC, loading of nano-SiO2, and continuous grafting of PFAS with normal-pressure plasma. The adsorption rate of the material is as low as 3.2 * 10 <-7 > copy / mu L (annual loss rate); the temperature from-196 DEG C (liquid nitrogen) to 121 DEG C (autoclaved sterilization) can bear 16,000 g centrifugation without rupture; by means of ethylene oxide sterilization or gamma ray irradiation, it is ensured that the product is free of endotoxin (1t, 0.001 EU / mL), free of DNA enzyme / RNA enzyme residues and other excellent performance, the problems of high adsorption rate and low-temperature brittleness of a traditional COC material in biological sample storage are effectively solved, and the method is suitable for large-scale production of high-end medical cryopreservation tubes and other products.

The application discloses a gelatin-based medical consumable and a sterilization process thereof. The consumable comprises a gelatin main material and a biocompatible auxiliary component. The gelatin is pre-crosslinked to form a three-dimensional network structure, and can be made into a porous sponge, a film, a fiber felt, a particle, a columnar body, a sheet body or a gel block. The sterilization process is used for a pre-crosslinked consumable which has been formed. Radiation sterilization, ethylene oxide sterilization or combined sterilization is adopted. According to the sterilization route, the water content, the packaging atmosphere, the radiation dose, the ethylene oxide concentration and the resolution condition are controlled, so that the sterilization treatment mainly plays a sterilization role and does not damage the gelatin main network. After sterilization, the strength retention rate of the consumable is not less than 85%, the swelling ratio retention rate is not less than 80%, the degradation time change rate is ± 20%, and the gel fraction change rate is not more than 10%.

The present application relates to the technical field of sterilization equipment, in particular to an ethylene oxide sterilization device with multi-bottle piercing function, comprising a whole machine shell, the whole machine shell is provided with a sterilization chamber, a central total cavity and a piercing assembly. The piercing assembly comprises a piercing shell and a single-side piercing device. The single-side piercing device comprises a fixed insertion cylinder, a double-bottle clamp, a piercing assembly, a pressing assembly, a starting limiter and a locking device. The sterilization device described in the case adopts two independent sterilization chambers, and the use scene is more flexible. The sterilization device described in the case only needs one telescopic structure for each single-side piercing device to complete the pressing and piercing of the gas cylinder. When the double-bottle clamp of the single-side piercing device and the ethylene oxide gas cylinder descend to the bottom, the automatic locking can be realized, even if the telescopic structure is misoperated to produce upward action, the double-bottle clamp and the ethylene oxide gas cylinder will remain stable posture, avoiding gas leakage.

The invention discloses a medical sterilization package and a preparation method thereof, the medical sterilization package comprises a matrix film and a functional layer, the secant modulus of the matrix film according to ASTM D882 under 1% strain is 300-2000 MPa, the Talbot stiffness of the matrix film according to GB / T 23144 is 5-25 mN.m, and the air permeability of the matrix film according to GB / T 458 is 20-150 S / 100 mL. The functional layer is coated on the matrix film through at least two times of intaglio printing to form a discontinuous coating, the adjacent coatings form an overlapped structure, the resin content is gradually increased from inside to outside, and pattern projections of the coatings are at least partially staggered so as to form composite breathable pore channels with smaller sizes. The functional layer contains a thermo-sensitive block copolymer and 4, 4 '-oxybis (benzenesulfonyl hydrazide), so that the functional layer maintains low air permeability at room temperature so as to ensure sealing safety, and in an ethylene oxide sterilization temperature interval, a thermo-sensitive polymer chain shrinks and acts with a foaming agent to decompose and produce gas, so that air-permeable pores are expanded, the air permeability is improved, and the sterilization gas penetration effect is optimized.

The invention belongs to the technical field of biomedical materials, and particularly discloses a method for inactivating viruses of a valve leaflet material. Comprising the following steps: (1) immersing fixing cloth by using a glutaraldehyde solution until the fixing cloth is fully infiltrated, unfreezing bovine pericardium sheets subjected to an anti-calcification treatment process, draining off liquid on the surfaces, and paving the bovine pericardium sheets by using the fixing cloth to obtain a layer of cloth, a layer of bovine pericardium sheets and a layer of cloth for later use; (2) cross-linking immobilization-1: putting the bovine pericardium slices treated in the step (1) into a box, pouring a glutaraldehyde solution, enabling the glutaraldehyde solution to fully infiltrate the bovine pericardium slices, enabling the height of the glutaraldehyde solution to be flush with the height of the uppermost layer of fixing cloth, and refrigerating to obtain an intermediate product; and (3) EO treatment: carrying out ethylene oxide sterilization on the intermediate product treated in the step (2) to obtain a treated product. Through cross-linking fixation and EO sterilization treatment, the advantages of thorough virus inactivation and small damage to the structure and performance of the valve leaflet material are realized.

1. Name of the design product: biological reader (new type of express). 2. Use of the design product: for fast and effective monitoring of the processes of pressure steam sterilization, hydrogen peroxide low-temperature plasma sterilization, ethylene oxide sterilization, low-temperature steam formaldehyde sterilization, peracetic acid sterilization, etc. performed in medical equipment, in combination with the corresponding express biological indicator. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The application discloses an ethylene oxide sterilization system and a sterilization method, and belongs to the technical field of medical sterilization and disinfection. The system comprises: a plurality of intelligent mobile sterilization units, each unit being a sealed cabin body with autonomous mobile capability, used for accommodating products to be sterilized; a plurality of functional docking stations, including a loading docking station, a pretreatment docking station, a sterilization docking station, an analysis docking station and an unloading docking station arranged in sequence along the unit running path, each docking station being used for docking with the unit and providing corresponding functional support; and an intelligent scheduling control system in communication connection with the units and the docking stations, used for scheduling the mobile path and operation time sequence of the units. The application disperses the sterilization function from the centralized cabinet to a plurality of mobile units, combines the docking stations with different functions, realizes parallel flow line operation of the pretreatment, sterilization and analysis processes, significantly reduces the floor area, improves the sterilization efficiency, enhances the system expansibility, and guarantees the uniformity and stability of the sterilization process.

The utility model discloses a hair style fixing and protecting device which comprises a hair clasp and a sterile cap, the sterile cap is subjected to ethylene oxide sterilization treatment in the machining process, a plurality of clamping holes are formed in the upper face of the hair clasp in the circumferential direction, a plurality of hair inserting sharp rods are arranged on the rear side of the hair clasp, the sterile cap comprises a cap top and a cap edge, an elastic band is arranged in the cap edge, and the elastic band is connected with the clamping holes. The sterile cap has the advantages that the sterile cap and the hair clasp are combined for use, so that the cap body of the sterile cap is prevented from being pressed on the hair on the front side of the head, and the use comfort and the supporting performance of the sterile cap are improved.

The invention relates to the technical field of biology, in particular to a sterilization biological indicator and application thereof. The invention provides a biological indicator composed of sulfhydrylated spores containing bacillus atrophaeus and a spore culture solution containing a gold nanoprobe. The biological indicator is used for monitoring the sterilization effect, solves the problems of low spore detection speed of bacillus atrophaeus after ethylene oxide sterilization and high use cost of a rapid ethylene oxide indicator, can realize rapid detection within 10 minutes after sterilization, and does not need a complex instrument. The method has a wide application prospect in the monitoring of the sterilization effect of ethylene oxide sterilization equipment.

The utility model relates to the technical field of ethylene oxide sterilizers, in particular to an ethylene oxide sterilizer special for disposable hygienic products, which is characterized in that a pressure regulating device adopts a stepping vacuum mode, so that the pressure in a sterilizer box body gradually enters a set pressure; then completely gasified EO gas is injected into the sterilizer box body through a dosing device until the concentration is 300-800 mg / L, and the temperature is maintained and controlled to be 30-50 DEG C, so that the sterilization effect is improved; comprising a sterilizer box body and a sterilizer door body, a pick-and-place opening is formed in the sterilizer box body, and the sterilizer door body is installed at the pick-and-place opening; the sterilizer further comprises a steam device, a pressure regulating device, a dosing device and a heating device, the steam device is arranged on the sterilizer box body in a communicating manner and is used for conveying steam into the sterilizer box body, the pressure regulating device is communicated with the sterilizer box body and is used for regulating the pressure in the sterilizer box body, and the dosing device is communicated with the sterilizer box body.

The present invention provides a film for refrigerated storage, which is provided with at least one layer that contains an alicyclic structure-containing resin, wherein: the Charpy impact strength S(23) of the alicyclic structure-containing resin is 100 kJ / m2 or more as determined at 23°C after a specific EO sterilization treatment of the alicyclic structure-containing resin; and the Charpy impact strength S(-80) of the alicyclic structure-containing resin satisfies formula (1) as determined at -80°C after the specific EO sterilization treatment of the alicyclic structure-containing resin. The present invention also provides a method for producing the film. The present invention also provides a container which uses the film.　(1): S(-80) / S(23) ≥ 0.7

The ethylene oxide sterilizer comprises an ethylene oxide sterilizer body, a plurality of partition plates are arranged in an inner cavity of the ethylene oxide sterilizer body, side plates are arranged on the two sides of each partition plate, a plurality of inserting plates are installed on the opposite side faces of the side plates, and the inserting plates are connected with the partition plates. A plurality of inserting grooves are formed in the two side faces of an inner cavity of the ethylene oxide sterilizer body, the inserting plates are inserted into the corresponding inserting grooves, the ends, facing an opening of the inner cavity of the ethylene oxide sterilizer body, of the partition plates are each provided with a support pushing the corresponding side plate to get close inwards, and a plurality of supporting plates are installed on the surfaces of the partition plates. The ethylene oxide sterilizer disclosed by the utility model is simple in structure, the inner cavity of the ethylene oxide sterilizer body can be partitioned through the partition plates so as to place articles with different specifications, the utilization rate of the internal space is increased, and the partition plates are connected with the ethylene oxide sterilizer body in an inserting manner, so that the stability of the ethylene oxide sterilizer body is improved, and the movement condition is avoided.

The invention relates to the technical field of medical instruments, and discloses a preparation method and application of a disposable pump infusion apparatus extension tube. Medical-grade polyvinyl chloride, a polyolefin elastomer, polyethylene glycol terephthalate, thermoplastic vulcanized rubber, an acetyl tributyl citrate plasticizer, a titanium dioxide coloring agent, a zinc-based stabilizer, a zinc stearate lubricant, an antioxidant, an erucyl amide anti-blocking agent, a chitosan antibacterial agent and a carbon fiber reinforcing agent are prepared as main raw materials; preparing a PP filter membrane, a PC joint and a PE protective cap according to the total mass use ratio of a finished product as key functional components, firstly, drying, crushing, sieving and disinfecting part of the raw materials, weighing and proportioning in a hundred-grade clean room according to a formula, mixing and plasticizing into a molten material through high-speed stirring and twin-screw extrusion, sizing and cooling after extruding a pipe blank, and assembling the functional components, so as to obtain a finished product. An on-line quality monitoring system is installed on the production line to automatically recognize and isolate unqualified products, finally, finished products are comprehensively detected, and qualified products are sterilized through ethylene oxide and then packaged in a full-sealed mode.

The utility model provides a safe and efficient dosing device for an ethylene oxide sterilizer, which comprises an ethylene oxide steel cylinder and a frame, a panel is arranged on one side of the frame, a touch operation screen and an explosion-proof control box are arranged on the panel, a vaporizer is arranged in the frame, and a temperature sensor and a dosing proportional valve are connected onto the vaporizer; a gas outlet of the ethylene oxide steel cylinder is divided into two paths after passing through the dosing stop valve, one path is connected with an inlet of the vaporizer after passing through the filter, the dosing pneumatic ball valve and the dosing proportional valve, an outlet of the vaporizer is connected with a dosing port of the ethylene oxide sterilizer through the flowmeter, and the pipeline is used for dosing of the ethylene oxide sterilizer; and the other path is connected with a waste gas outlet after being connected with a hand ball valve and is used for treating waste gas in the dosing pipeline. According to the utility model, the nitrogen supply port is connected, so that the sterilization is safer, nitrogen can pass through the hand ball valve, residual ethylene oxide in the dosing pipe is discharged into waste gas treatment, the environment is protected, and combustible gas leakage is avoided.

The utility model discloses an intelligent ethylene oxide sterilization cabinet with multi-parameter cooperative control, which belongs to the technical field of sterilization equipment and comprises a bottom plate and a sterilization cabinet body, a pump body and an ethylene oxide storage box are fixedly mounted at the top of the bottom plate, a gas outlet of the pump body is communicated with a communicating pipe, and the other end of the communicating pipe is communicated with a feeding valve. A mouse cage is slidably mounted in the feeding valve, a supporting plate is fixedly mounted in the mouse cage, a transmission rod is hinged to one side of the supporting plate, a box is fixedly mounted on the outer side of the feeding valve, a rotating shaft is rotatably mounted in the feeding valve, and a connecting rod and a worm gear are fixedly mounted on the outer side of the rotating shaft. On the one hand, incomplete sterilization caused by insufficient gas quantity is avoided, on the other hand, resource waste and potential safety risks caused by excessive gas are prevented, meanwhile, stable flow supply is beneficial to maintaining the stability of pressure and temperature in the sterilization process, and the reliability and repeatability of the whole sterilization process are improved.

The utility model discloses a kind of packaging bags for ethylene oxide disinfection, belong to sanitary product and medical instrument packaging technical field, including packaging body, air hole, dialysis patch, gluing layer and article entrance and exit;Air hole is set on packaging body, dialysis patch is covered on air hole by gluing layer, article entrance and exit are set to the edge of packaging body and with air hole area physical isolation.The utility model provides packaging bag for ethylene oxide disinfection, realizes gas exchange in disinfection stage and microbial barrier dual function in storage stage.The working principle used in the utility model is that the microporous structure of dialysis patch realizes gas selective permeation, and gluing layer is used to ensure the firm combination of dialysis patch and packaging body.

The utility model discloses an ethylene oxide sterilization cabinet which comprises a shell, the bottom of the shell is fixedly connected with a supporting seat, the top wall of the shell is communicated with an air inlet pipe, the bottom end of the air inlet pipe is communicated with a flow dividing pipe, the inside of the flow dividing pipe is communicated with an air spraying pipe, and the bottom of the air spraying pipe is communicated with a plurality of air spraying heads. The flow dividing pipe and the air spraying pipe are communicated with the shell, the front face of the shell is movably connected with a connecting door, the bottom of the inner side of the shell is fixedly connected with a placing net plate, and the bottom of the shell is fixedly connected with a purifying unit. According to the utility model, through the arrangement of the purification unit, after articles are sterilized, an external power supply is used for supplying power to the fan box, and meanwhile, the scavenging valve is opened to exhaust gas in the box body, so that negative pressure is generated in the box body, and gas with ethylene oxide in the shell is pumped into the box body through the connecting pipe; and then irradiating through a UA ultraviolet photolysis lamp.

The utility model discloses an extracorporeal circulation puncture suite which comprises a dilator, a puncture accessory and a suture accessory, and the dilator used for blood vessel dilation, the puncture accessory used for puncture and the suture accessory used for fixing a pipeline are sealed in a packaging bag body after being sterilized through ethylene oxide. The dilator is provided with dilation heads for dilating blood vessels continuously in a staged mode, and the number of the dilation heads on the dilator can be adjusted. The extracorporeal circulation puncture kit has the advantages that the multi-stage dilator with the adjustable dilation head in the extracorporeal circulation puncture kit is used for performing staged continuous dilation on blood vessels, repeated replacement of the dilator is avoided, the risk of infection of a patient is reduced while the operation efficiency is improved, and due to the staged continuous dilation, intubation tubes of different specifications are high in universality and high in practicability. Due to the design that the hydrophilic coating and the hardening material are additionally arranged on the guide wire, the surface of the guide wire is smoother, puncture catheterization is smoother and more accurate, due to the arrangement of the suture accessory, the problems of intubation fixing and skin wound suture are solved in a clinical one-stop mode, and the preparation workload of clinical operations is reduced.

The invention discloses a preparation method of an antibacterial suture line with passivated barbs, and relates to the technical field of medical suture lines. According to the method, core layer and shell layer spinning solutions are prepared, and core-shell structure monofilaments are formed through coaxial electrostatic spinning; the passivated barbs are precisely machined through femtosecond laser, the barb area is locally thinned, and then the antibacterial suture line with the passivated barbs is obtained through antibacterial coating liquid coating, vacuum drying, ethylene oxide sterilization and heat setting. The antibacterial coating liquid is prepared from chitosan, an acetic acid aqueous solution, an antibacterial component and a cross-linking agent. Through the synergistic effect of a core-shell structure and a dual antibacterial system, the long-acting antibacterial property and the mechanical property are considered; the barb form is optimized through femtosecond laser processing, and tissue damage is reduced; the balance of biocompatibility, operation performance and degradation rate is realized through material and process regulation and control, and the suture needle is suitable for clinical surgical wound suture and can reduce infection risk and pain of patients.

This application provides a method for forming an antimicrobial coating on the surface of an implantable device and the implantable device itself. The method for forming an antimicrobial coating on the surface of an implantable device includes the following steps: placing the implantable device in an isolation box; setting an antimicrobial carrier assembly on the outer surface of the isolation box and / or the inner surface of a sterile barrier packaging; placing the isolation box in the sterile barrier packaging and sealing it to obtain a packaging system; sterilizing the packaging system with ethylene oxide; and vacuum dehydrating the ethylene oxide-sterilized packaging system. This method utilizes the antimicrobial carrier assembly in the packaging structure to diffuse an antimicrobial agent onto the surface of the implantable device during the sterilization and dehydration cycle, enabling the originally uncoated implantable device to acquire stable and controllable surface antimicrobial properties, thereby improving the antimicrobial capability of the implantable device.

The utility model discloses a turnover mechanism, which relates to the technical field of ethylene oxide sterilizers, and comprises a bottom plate, a top cover and a turnover mechanism, the top of the bottom plate is provided with the top cover, the bottom plate is internally provided with the turnover mechanism which is used for turning over the top cover so as to facilitate subsequent maintenance, and the turnover mechanism is arranged on the top cover. And a fixing mechanism for mounting the turnover mechanism is arranged in the bottom plate. Through the turnover mechanism, when the ethylene oxide sterilizer needs to be overhauled, a bolt for fixing the top cover is unscrewed, the top cover is manually opened, the turnover device can be opened, one end of the supporting rod is lifted up, then the top cover is supported, when the opening angle of the top cover is larger than 90 degrees, the supporting rod can touch a clamping plate on the parallel upward moving base, and the top cover can be overhauled. The top cover can be mechanically limited, so that the top cover can be stable and does not fall back, the top cover can be quickly and safely opened, and the ethylene oxide sterilizer can be conveniently overhauled.

1. The name of the design product: the front panel of ethylene oxide analyzer. 2. The use of the design product: the ethylene oxide analyzer is a special equipment for decomposing the ethylene oxide gas discharged after the use of the ethylene oxide sterilization cabinet, and the front panel of the ethylene oxide analyzer is used for information display. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: front view. 5. The bottom surface of the design product is not easily visible or invisible during use, and the top view is omitted. 6. Other circumstances that need to be explained: the design is a partial design, and the protected part is the part outside the red transparent area in the picture.

This application relates to an ethylene oxide sterilization waste gas treatment system and method. The system includes a tower, a circulation tank, a circulating cooler, and a waste gas post-treatment device. An air inlet is located on one side of the tower, and a heater is installed at the inlet. The circulation tank is connected to the bottom of the tower and contains absorbent liquid. A demister layer, a spray gun, and a packing layer are sequentially arranged inside the tower. The spray gun is connected to the circulation tank via a circulating liquid pipe, and the circulating cooler is installed on the circulating liquid pipe. The top of the tower is connected to the waste gas post-treatment device. Ethylene oxide-containing waste gas enters the tower, undergoes mass transfer with the absorbent liquid sprayed from the spray gun, and then enters the waste gas post-treatment device for treatment and discharge. Carrier gas, after being heated, enters the tower, undergoes mass transfer with the ethylene oxide-containing absorbent liquid, and then enters the waste gas post-treatment device for treatment and discharge. This application solves the technical problem of equipment consuming large amounts of natural gas or electricity during periods without waste gas generation.

The invention belongs to the technical field of ethylene oxide sterilization, and particularly relates to an ethylene oxide sterilization tail gas treatment method and system.The system comprises the steps that (a) tail gas containing ethylene oxide is introduced into a spray tower and makes countercurrent contact with an ethylene glycol solution containing an acid catalyst for catalytic hydrolysis; (b) the hydrolysate enters a neutralization kettle, alkali liquor is added to adjust the pH to be neutral, and an ethylene glycol solution is obtained through separation; and (c) carrying out vacuum evaporation and rectification purification on the ethylene glycol solution, and circulating part of the recovery liquid to the step (a) as the absorption liquid, (d) unreacted ethylene oxide enters a catalytic combustion chamber to be decomposed into carbon dioxide and water; and (e) adjusting the temperature, the pressure and the catalyst concentration in real time through a PLC control system, and maintaining reaction kinetics matching. Spraying absorption, catalytic combustion and recovery processes are integrated, efficient tail gas treatment is achieved, the PLC system monitors the EO concentration and reaction parameters in real time, stability is guaranteed, and the explosion risk is prevented.

The application discloses a preparation method of an antibacterial suture with passivated barbs, and relates to the technical field of medical sutures. The method comprises the following steps: preparing a core layer and a shell layer spinning solution, and forming a core-shell structure monofilament through coaxial electrospinning; adopting femtosecond laser precision machining to passivate the barbs, and locally thinning the barb area, and then coating an antibacterial coating liquid, vacuum drying, ethylene oxide sterilization and heat setting to obtain the antibacterial suture with passivated barbs. The antibacterial coating liquid is prepared from chitosan, an acetic acid aqueous solution, an antibacterial component and a crosslinking agent. Through the synergistic effect of the core-shell structure and the double antibacterial system, the application takes into account long-acting antibacterial property and mechanical property; the femtosecond laser machining optimizes the barb morphology and reduces tissue damage; and the material and process regulation achieve the balance of biocompatibility, operation performance and degradation rate, and is suitable for clinical surgical wound suturing, and can reduce the risk of infection and the pain of patients.

The invention discloses a blood sample collection container production system, which relates to the technical field of medical instrument manufacturing, and comprises a raw material processing system, a precision forming system, an automatic assembly system, a sterilization system, a quality control system, an intelligent packaging and tracing system and a manufacturing execution system. According to the invention, ethylene oxide sterilization and electron beam irradiation are combined, a three-dimensional dose distribution monitoring system is introduced, dose parameters are dynamically calibrated through a multi-axis sensor array, sterilization uniformity is ensured, and cross-dimensional verification of the sterilization effect is realized through dual verification of a biological indicator and a chemical indicator. The sterilization reliability and compliance are remarkably improved through real-time data feedback and a dynamic adjustment mechanism, the piezoelectric spray head directional spraying technology in the vacuum environment is adopted, programmed path control is combined, accurate regulation and control of the dosage of the anticoagulant are achieved, external interference is reduced through the vacuum environment, oxidation failure of active ingredients of the anticoagulant is avoided, and the sterilization quality is improved. And the stability of the anticoagulation performance is improved to a medical grade standard.

This invention discloses a polyglycolic acid (PGA) suture-silk suture composite braided surgical suture and its preparation method. The suture is composed of two absorbable surgical sutures (PGA) and two non-absorbable surgical sutures (silk threads) in a multi-strand braided structure. The silk threads are black in color, and their main component is silk fibroin with a molecular weight greater than 30,000. The PGA sutures are pre-dyed with D&C Violet No. 2 dye before braiding, and then heat-set and sterilized with ethylene oxide after braiding. This invention utilizes the dense structure formed by the multi-strand braid to effectively prevent wound exudate from seeping into the suture interior, reducing the corrosive effect of liquid on the internal materials. Simultaneously, through the synergistic composite of PGA sutures and silk threads, a coordinated match is achieved between the suture's mechanical strength and degradation characteristics, resulting in a suture that combines stable support with suitable degradability, better meeting the needs of general soft tissue suturing and ligation in clinical practice.

The invention belongs to the technical field of electrophysiological detection, and relates to a high-flux cortical deep electrode debugging, sterilizing and intraoperative taking device which comprises a transparent shell with holes, a silica gel partition plate with clamping grooves and an ethylene oxide compatible line concentration module. The test result shows that the transparent shell with the holes and the silica gel partition plate with the clamping groove completely fix the electrode, and the situation that the tip of the electrode mistakenly touches the shell or other parts in the whole process of debugging, transporting, sterilizing or taking can be avoided. According to the device, ethylene oxide sterilization of the whole module can be directly carried out under the condition that all modules of the electrode are connected under the condition that the shell is not opened, and the time for assembling and debugging the electrode module in an operation is obviously saved. The ethylene oxide compatible line concentration module can quickly release the data line in an operation, plays a role in mechanical protection and electromagnetic shielding on the data line, and is suitable for a complex electromagnetic environment and a complex mechanical environment of an operating room.

The utility model discloses a self-lubricating leakage-free magnetic fan device, which relates to the technical field of circulating fans of ethylene oxide sterilizers and comprises a motor, a connecting frame is mounted on a shell at the output end of the motor, a bearing support frame is mounted at one end, far away from the motor, of the connecting frame, a rotating shaft is arranged in the bearing support frame, and the rotating shaft is connected with the motor. The end, away from the motor, of the rotating shaft penetrates through the bearing supporting frame to be provided with fan blades, a magnetic driving mechanism is arranged in the connecting frame, and a lubricating mechanism is arranged between the two bearings. The isolation frame is arranged between the outer magnetic rotor and the inner magnetic rotor, the isolation frame divides the connecting frame into two independent cavities, ethylene oxide is prevented from entering the motor, the use safety of the device is improved, the ball valve, the grease nipple and the oil seal are installed on the bearing supporting frame, lubricating grease can be effectively injected, and the service life of the device is prolonged. And leakage of lubricating grease and pollution to an ethylene oxide sterilization chamber are prevented.