245results about How to "Reduce the risk of cross-infection" patented technology

The invention relates to a magnetic device capable of performing facial beautifying and wrinkle removing on a human body and a beautifying method thereof. The magnetic device is composed of an AC filtering circuit, a rectifying and DC filtering circuit, a power factor adjusting and boosting circuit, a startup slow starting circuit, a high-voltage energy storage circuit, an energy-storage capacitor discharging circuit, a safety protection discharging circuit, an auxiliary power supply module, a computer control module and an adjustment display module. The beautifying method comprises the steps that a central part of an inductance coil is placed at the part which needs to be beautified, the inductance coil keeps a small distance away from the skin or is slightly contacted with the skin, or a piece of soft tissue paper is arranged between the inductance coil and the part to be beautified; the output frequency of the inductance coil is controlled to be between 30Hz and 300Hz by the computer control module; the output magnetic intensity of the inductance coil is controlled and adjusted by the computer control module so as to set the stimulation intensity which gives rise to contraction of subcutaneous muscles; the action time is set to be between 0.4s and 3.0s, the interval time is 1.0s-3.0s, the beautifying time is 15-30min for one time, beautifying is performed once a day, and 10 times form a course of treatment.

The invention discloses a medical ultrasonic sterilization couplant, which is prepared from the following components in part by weight: sodium hydroxide 5-20, glycerol 150-450, ethylparaben 2-9, carbomer 10-50, chlorhexidine hydrochloride (CHX-HCL) 0.2-0.8, ethylene diamine tetraacetic acid (EDTA) 0.3-1.2, and distilled water 725-2,000. The couplant has a good acoustic matching and coupling function, avoids corroding and swelling ultrasonic probes, has disinfection and sterilization functions, avoids stimulating and sensitizing skin mucosae and can realize synchronous, quick and continuous disinfection and sterilization of the ultrasonic probes and the skin mucosae and effectively reduce potential intra-hospital cross infection risks caused by the contact of the ultrasonic probes (therapeutic heads) with human bodies in medical supersonic inspection and treatment processes. The couplant is applicable to trans-skin mucosa, transvaginal and transrectal ultrasonic diagnosis and treatment.

The invention relates to a medical environment-friendly sterilization ultrasound coupling agent and a preparation method thereof, wherein the ultrasound coupling agent comprises the components based on the parts by weight: 5-30 parts of corn starch, 2-2.5 parts of 30% of hydrogen peroxide, 0.04-0.08 part of ferrous sulphate, 2-2.5 parts of sodium hydroxide, 1.2-1.5 parts of sodium borate, 0.10-2.00 parts of iodine, 3.00-20.00 parts of fatty alcohol-polyoxyethylene ether, 0-1.00 part of potassium iodide, 0-1.00 part of potassium iodate, 1.00 part of glycerin, 0.20 part of citric acid and 60-78parts of water. When being used for ultrasonic detection, the ultrasound coupling agent ensures the detection image to be clear and the cross infection risk which is possibly caused by the ultrasonicdetection to be little, does not swell and corrode an ultrasonic probe, can be degraded so as to be free from environmental pollution, and has the characteristic of strong environmental conservation property. The ultrasound coupling agent prepared by the method has the advantages of wide source of raw materials, good environmental conservation property, low price, simple preparation working procedures and low equipment investment.

The invention discloses an assembled rapid intelligent temperature measurement and purification monitoring system based on project work resumption and epidemic prevention and control and a monitoringmethod thereof, and belongs to the field of epidemic prevention and control. The monitoring system comprises an equipment body, wherein an inlet of the equipment body is provided with a recognition gate and a face recognition panel, and the recognition gate is provided with a recognition area; a temperature measurement area and a disinfection area are sequentially arranged in the equipment body, an infrared thermometer is arranged in the temperature measurement area, a first sealing door and a second sealing door are respectively arranged at an inlet and an outlet of the disinfection area, pedal switches are respectively arranged in front of the first sealing door and the second sealing door, and a spray disinfection unit is arranged in the disinfection area. The system overcomes the defects of low epidemic situation detection efficiency and easy infection in the prior art, not only can improve the detection efficiency, but also is conducive to avoiding cross infection, and can be better suitable for large-scale and severe epidemic situation prevention and control environments.

The invention belongs to the technical field of medical tools and particularly provides an examination bed used for examination in the neurology department and having an automatic disinfection function. For solving the problem that an examination bed is difficult to clean and disinfect and easily causes cross infection of a patient, the following scheme is proposed that the examination bed comprises a base, wherein a vertically arranged hydraulic oil cylinder is connected to the center of the top of the base through bolts, a horizontally arranged electric turntable is connected to the top of the hydraulic oil cylinder through bolts, a bed board is connected to the top of the electric turntable through bolts, and first installing grooves are formed in the middles of two sides of the bed board. The examination bed brings convenience to a physically inconvenient patient to go to bed or get out of bed, meanwhile brings convenience to doctors of different heights for examination and provides convenience for the patient and the doctors, and the surface of the examination bed is disinfected for multiple times, so that the examination bed used for examination in the neurology department has the automatic disinfection function, and the risk of cross infection of the patient can be effectively reduced. In addition, the temperature of the examination bed is kept to provide a good examination environment for a patient to use.

The invention discloses a sensor support body and a device for collecting human physiological signals. The device for collecting the human physiological signals comprises the sensor support body and a sensor module, wherein the sensor support body is a flexible body in which a soft battery and an RF (Radio Frequency) antenna are arranged, and an accommodating device is fixed on the flexible body; the outer part of the accommodating device is provided with two power supply conducting plates which are respectively connected with the anode and the cathode of the soft battery, and extend into the accommodating device; the outer part of the accommodating device is provided with RF conducting plates which are connected with the RF antenna and extend into the accommodating device; the sensor module is detachably arranged in the accommodating device, and is connected with the power supply conducting plates and the RF conducting plates. The sensor support body disclosed by the invention can carry different sensor modules at will, the universality is good, the risk of cross infection is reduced after the device for collecting the human physiological signals is assembled, the sensor module can be used repeatedly, and the cost is reduced.

The invention provides ionic crosslinked PVA (polyvinyl alcohol) mandruka which is prepared from the following components in percentage by weight: 5-15% of PVA, 10-20% of absolute ethyl alcohol, 40-80% of deionized water, 10-30% of ionic crosslinking agent, 1-10% of foaming agent and 1-10% of inorganic acid. The invention also provides a preparation method of the ionic crosslinked PVA mandruka. The invention further provides application of the ionic crosslinked PVA mandruka. The preparation method provided by the invention solves the problem that harmful substances such as acid, aldehyde and the like are left in PVA hydrogel by a chemical crosslinking method in the prior art; the ionic crosslinked PVA mandruka has the characteristics of convenience in use, high biosafety performance, good hemostatic effect, no adhesion, good mechanical performance and the like, and is applicable to the patients of all ages with different nasal cavity sizes; and moreover, the comfort of the patient is greatly improved, the convenience in doctor operation is enhanced, and the risk of cross infection is reduced.

The invention relates to the technical field of medical supplies, in particular to a novel antibacterial surgical protective mask which comprises an outer layer, a middle layer and an inner layer. Thepreparation raw material of the outer layer is a hydrophobic blended polypropylene material; the middle layer is an antibacterial melt-blown layer or an antibacterial nano-film layer; and the inner layer is a water-absorbing non-woven fabric layer. The silver fiber or silver-copper fiber material of the novel antibacterial surgical protective mask has a killing effect on bacteria and viruses; therefore, when bacteria and viruses fall on the mask, the bacteria and viruses can be killed by silver ions or silver-copper ions, the mask has the antibacterial effect which is not achieved by an original mask, medical staff can be better protected, the risk of cross infection is reduced, and the service life of the mask can be prolonged.

The invention belongs to the technical field of biomedical engineering, and particularly relates to a chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material and a preparation method thereof. The preparation method of the chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material specifically comprises the following steps: S1, preparing a chitosan quaternary ammonium salt; S2, processing a porcine acellular dermal matrix; and S3, preparing the chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material. The chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material disclosed by the invention completely reserves morphological structures and components of cells, has the characteristic of low antigenicity, and meanwhile can induce fiber-forming cells and vascular endothelial cells with regeneration capacity to grow therein.

The invention belongs to the field of medical technology, and provides an intelligent guiding device and a system. The intelligent guiding device comprises a binding module, an interaction module, a positioning module, a signing-in module, a planning module, a communication module and a server. The output ends of the binding module, the interaction module, the positioning module, the singing-in module, the planning module and the communication module are in signal connection with the input end of the server. The intelligent guiding device and the system have advantages of preventing queuing and crowding in a self-service registering and fee paying terminal area, improving diagnosis experience, reducing cross infection risk, realizing real-time navigation through adding the positioning module, supplying real-time route guidance to patients for preventing route errors, saving time in searching a clinical room, realizing automatic signing-in and queuing when a user reaches a signing-in required area or a queuing number-taking area through adding the signing-in module, and preventing useless waiting of the patient caused by misunderstanding to a diagnosis process and forgetting to perform signing-in or registering.

The invention discloses an infection-prevention medical transfer bed. The medical transfer bed comprises a trolley body and a bed board moving mechanism, wherein the bed board moving mechanism is arranged on the frame of the trolley body, and comprises an upper moving plate, an upper moving cloth, a lower moving plate and a lower moving cloth; the lower moving plate is arranged under the upper moving plate; the upper moving plate and the lower moving plate synchronously move forward or backward transversely; the periphery of the upper moving plate is coated with the upper moving cloth, lockingbars are longitudinally fixed on the upper moving cloth, are locked on the pick-up side of the upper moving cloth by a locking bar driving mechanism or move along with the upper moving cloth after locking is released; the periphery of the lower moving plate is coated with the lower moving cloth, two ends of the lower moving cloth are fixed on the frame of the trolley body and are positioned on the pick-up side of the lower moving plate. The transfer bed further comprises an isolating pad spreading mechanism. According to the infection-prevention medical transfer bed, the upper moving cloth, the lower moving cloth and a hospital bed are prevented from being polluted in a process of picking up patients due to the isolating pad spreading mechanism.

The invention relates to a sterile ultrasound gel for invasive ultrasound diagnosis and treatment and a preparation method thereof. The gel comprises the following components in percentage by weight: 0.01 to 0.5 percent of halogenated diphenyl ether or biguanide bactericides, 0.5 to 15 percent of water-soluble chitosan, 0 to 7 percent of dissolving agent, 0.5 to 1.5 percent of water-soluble polymer material, 0.1 to 1 percent of triethanolamine, and the balance of distilled water. The preparation of the sterile ultrasound gel comprises the following steps of: dissolving the halogenated diphenyl ether or the biguanide bactericides into partial distilled water, and standing for 1 to 15 hours; dissolving the water-soluble polymer material into the distilled water to obtain solution, and then dissolving the water-soluble chitosan and the triethanolamine into the distilled water to obtain solution; and adding solution of bactericides into the solution of water-soluble polymer material with stirring, then continuing stirring for 5 to 30 minutes, supplementing the residual distilled water, and then adding the solution of water-soluble chitosan and triethanolamine to obtain the sterile ultrasound gel. The sterile ultrasound gel has the effects of quick broad-spectrum sterilization, stopping bleeding and promoting wound healing, and is more applicable to clinical invasive ultrasound diagnosis and treatment practice.

The invention provides a medical sterilization ultrasonic coupling agent and a preparation method thereof. The coupling agent comprises the following main components by the weight percentage: 0.2-0.6% of p-chlor-m-xylenol, 4-8% of propylene glycol, 4-8% of glycerine, 0.3-1.2% of crosslinking polyacrylic acid resin, 0.2-1.2% of sodium hydroxide, and 80-90% of distilled water; the preparation method thereof comprises the steps: (1) dissolving crosslinking polyacrylic acid resin in distilled water to obtain liquor A; (2) dissolving p-chlor-m-xylenol in propylene glycol to obtain liquor B; (3) mixing and stirring the liquor A and liquor B, neutralizing with sodium hydroxide and adding glycerine to obtain the finished product. The invention not only meets the property and functions of medical sterilization ultrasonic coupling agent, but also has efficient and disinfectant effect and causes an ultrasonic probe to always maintain at the disinfectant state, thus completely solving the problem that the ultrasonic probe can not realize the effective disinfection in short time. The invention reduces the risk of the mutual pathogenic bacteria cross-infection among ultrasonic examinees and is beneficial to the health of people.

The invention relates to a rotating disc type multi-project immune chromatographic quantitative analysis system which comprises a base, wherein a lower disc is horizontally fixed in the base; an upper disc which can be axially rotated relative to the lower disc and is concentric to the lower disc is arranged above the lower disc; a plurality of reagent card positions extending along the radial direction are uniformly arranged at an edge of the upper disc; detecting cards are arranged in the reagent card positions; a waste card falling opening which can be vertically aligned with each of the reagent card positions during the axial rotation process of the upper disc is arranged at the edge of the lower disc; a touch display is arranged at the front end of the top of the base; the touch display is connected with a controller; the controller is connected with a quantitative analysis unit capable of analyzing each detecting card rotated to the working position thereof. The rotating disc type multi-project immune chromatographic quantitative analysis system has the beneficial effects that multiple project detections can be performed by the device at one time, the samples can be continuously added for the purpose of being fit for batch detection, the workload of the operator is greatly reduced and the working efficiency is increased.

The invention provides a reusable electric endoscope cutting stapler. The reusable electric endoscope cutting stapler includes a main machine, a handle, an adapter, and a cable assembly; the adapter is connected to the handle; one end of the cable assembly is detachably connected to the main machine, and the other end of the cable assembly is detachably connected to the handle; the cable assembly is used for transmitting electricity energy and a command signal; and the main machine can be reused for many times; the cable assembly can be reused for many times after being sterilized. According to the reusable electric endoscope cutting stapler, one or a plurality of core parts can be re-sterilized and reused for many times, the treatment cost of a patient can be greatly reduced, the cross infection risk is greatly lowered during use of the stapler, the safety and the reliability of the stapler can be improved, the weight of the whole stapler is greatly reduced, and a doctor can easily operate the stapler.

The invention relates to an infection-prevention recycling cart for polluted fabric in hospital. The recycling cart comprises a box body, a first compressing bar, a second compressing bar, a first hot melting bar, a second hot melting bar, and a drive unit. An opening is formed in the top of the box body. The first compressing bar and the second compressing bar extend horizontally and are arranged at the two sides of the opening oppositely; and first movable viscose glue is arranged on the first compressing bar and second movable viscose glue is arranged on the second compressing bar. The first hot melting bar and the second hot melting bar are arranged at two sides of the opening oppositely; the first hot melting bar extends horizontally and the first hot melting bar and the first compressing bar are arranged side by side vertically; and the second hot melting bar extends horizontally and the second hot melting bar and the second compressing bar are arranged side by side vertically. The drive unit drives the first compressing bar and the second compressing bar to approach each other or to keep away from each other and drives the first hot melting bar and the second hot melting bar to approach each other or to keep away from each other, so that an effect that a bag can be opened automatically and then can be sealed automatically after a certain amount of fabric is collected can be realized. Therefore, contact to the polluted fabric by the cleaning staff is avoided. With the recycling cart, the cross infection risk is reduced; and the work efficiency is high.

The invention provides a primary and secondary isolation diagnosis table which comprises a diagnosis table body. The inside of the diagnosis table body is provided with a disinfecting and killing system, a fan and an air outlet groove, the air outlet groove is used for forming a doctor and patient isolation air wall and communicated with a working tabletop of the diagnosis table body, an air inletof the fan is used for inhaling outside air, the disinfecting and killing system is communicated with the air inlet of the fan, an air outlet of the fan is communicated with the air outlet groove, the air outlet groove comprises a first groove body and two second groove bodies, the first groove body is parallel to the length direction of the diagnosis table body, the second groove bodies are formed along the width direction of the diagnosis table body and communicated with the first groove body, and vertically telescopic baffle plates are arranged at joints among the first groove body and thesecond groove bodies and used for controlling the first groove body and the second groove bodies to be connected and disconnected. According to the primary and secondary isolation diagnosis table, aerosol exhaled by a patient suffering from an infectious disease can be isolated from medical staff, health of the medical staff can be guaranteed, air channel combination modes can be adjusted according to environmental change, flexible isolation is achieved, and energy consumption is reduced.

The invention provides full-automatic self-service throat swab collection equipment for nucleic acid detection. The full-automatic self-service throat swab collection equipment comprises a human body limiting assembly, a collection driving assembly, a cotton swab frame assembly, a sample storage tube and a control device, wherein a height limiting device of the human body limiting assembly is arranged on the bottom surface and is used for adjusting the height of a human body sitting posture, and the head limiting device is arranged above the height limiting device and is used for adjusting a pitching angle; a double-linear-guide-rail device of the collection driving assembly is obliquely installed on the front side of the head limiting device, a mechanical arm is installed on the double-linear-guide-rail device, and a clamp is installed at the end of the mechanical arm; the cotton swab frame assembly is arranged below the double-linear-guide-rail device and located on the front side of the head limiting device, and the clamp clamps cotton swabs; the sample storage tube is arranged on the front side of the head limiting device and is arranged below the mechanical arm; and the control device is electrically connected with the human body limiting assembly, the collection driving assembly and the cotton swab frame assembly. According to the technical scheme, the problems that in the prior art, when a throat swab is used for sampling, the infection risk of sampling personnel is high, and examined personnel are prone to cross infection are effectively solved.

The invention provides a medical ultrasonic probe stelrizing gel and a preparation method thereof. The gel comprises the following components of 0.5-5 percent (w / v) of non-ionic cellulose material or 5-20 percent (w / v) of poloxamer, 0.1-0.5 percent (w / v) of chlorhexidine acetate, 0.1-0.5 percent (w / v) of double-chain quaternary ammonium salt sterilizing agent, 0.5-2 percent (v / v) of wetting agent and the balance of water. The sterilizing agent has the function of sterilizing and disinfecting a medical ultrasonic probe and the skin; and a soluble medical ultrasonic probe sterilizing gel with better acoustical property, safety and stability can be used as a coupling agent, can realize high-efficiency sterilization within short time and concurrent disinfection on the ultrasonic probe, and achieves the purpose of reducing cross infection risk caused possibly in the clinical ultrasonic detection process.

The invention discloses a medical atomizer relating to the technical field of medical apparatus and instruments and aiming at solving the problems that the existing medical atomizer is serious in drug waste, inconvenient to use, low in drug atomization efficiency and speed and long in atomization time and has the risk that pollutants such as pathogens in the air are inhaled into the airway when a patient inhales. The atomizer comprises an atomizing cup, an atomizing cup core and an atomizing cover, wherein a suction nozzle is formed in the upper part of one side of the atomizing cup; a switch is arranged at the junction of the suction nozzle and the atomizing cup; the opening or closing of the suction nozzle and the size of an opening are controlled through the switch; a pressure release hole is formed in the upper part of the other side of the atomizing cup; a filter membrane is arranged on the pressure release hole; the atomizing cup core comprises a supporting part and a nozzle casing; a narrow groove is formed in the inner wall of the nozzle casing; the narrow groove forms a gas channel; a bottom gap is formed in the bottom of the nozzle casing; and one end of the narrow groove extends to the bottom gap, and the other end of the narrow groove is communicated with the space defined by the nozzle and the nozzle casing. The medical atomizer is suitable for treating respiratory diseases.

The invention discloses a virus protection system for industrial control equipment on the basis of drive control. The virus protection system comprises safety U disk firmware, U disk driving software, U disk accessing control software and U disk management software, wherein the safety U disk firmware is installed on a safety U disk; the U disk driving software is installed on an antivirus host computer and the industrial control equipment; the U disk accessing control software is installed on the industrial control equipment; the U disk management software is installed on the antivirus host computer; bidirectional authentication is realized between the U disk driving software and the safety U disk firmware; the U disk management software is used for initializing the safety U disk, killing virus for the safety U disk and setting the virus-killing state and validity period of the safety U disk; the U disk accessing control software is used for executing read / write operation in the safety U disk in the antivirus validity period. According to the invention, the bottom driving modification of the operation system and the related management software are combined for controlling the antivirus state and the readable state of the U disk, so that the risk in virus cross infection caused by a common mobile storage medium with uncontrollable use state on the industrial control equipment can be reduced.

The invention discloses a face recognition access control system device for channel temperature measurement. The system device comprises a main control module, an infrared body temperature measurementmodule, a face recognition module, an access control module, a storage module and an alarm module. The input terminal of the main control module is electrically connected with a pressure sensing module, an ultrasonic height measuring module, an infrared body temperature measuring module and a face recognition module, and the output terminal of the main control module is electrically connected with a hydraulic control module and the access control module. According to the face recognition access control system device for channel temperature measurement, in the process of putting into use, a worker stands on the device; the device automatically adjusts the height of the worker and thus the head of the worker faces the infrared body temperature measurement module and the face recognition module, so that basic information of the worker is detected, workers of different heights can be detected without operation of the worker, and the risk of cross infection is effectively reduced. The practicability is high.

The invention belongs to the technical field of medical care and in particular relates to an agent storage device for nursing. Aiming at problems that the conventional agent storage device for nursingis simple in structure, agents of patients are placed together and a phenomenon that the agents are mixed, misused or omitted to use is easily caused, the following scheme is provided: the agent storage device for nursing comprises a base, wherein a tank body is connected to the top of the base by virtue of bolts; a box body is connected to the top of the tank body by virtue of bolts; bottoms ofinner walls of two sides of the box body are connected with the same partition plate by virtue of bolts; and two ends of the partition plate are connected with the box body by virtue of bolts. According to the device disclosed by the invention, the agents are simply and conveniently stored by medical care personnel, and nursing agents of different patients are stored by different agent storage boxes, so that the agents of the patients can be effectively prevented from being placed together to cause the phenomenon that the agents are mixed, misused or omitted to use, the condition that the agents bump against nursing tools in the moving process can be avoided, the agents and the nursing tools are protected, and the condition that rest of the patients is influenced by noise is avoided.

The invention discloses a plate washer with double cleaning heads and comprises a first cleaning head and a second cleaning head, wherein the first cleaning head is equipped with a liquid injection tube and a liquid absorption tube; a washing agent is injected to an elisa plate hole via the liquid injection tube of the first cleaning head; the second cleaning head is equipped with a cleaning brush made of a spongeous material and a washing tube; the cleaning brush conducts spindle motion under driving of the a rotation shaft; impurities adhered in the elisa plate hole can be effectively removed and then the hole can be washed and cleaned by the cleaning brush via the cleaning tube; and a generated waste liquid is discharged by a discharge tube. Under control of a slide device and a lifting device, the two cleaning heads work in an alternative and cooperative manner, so that the elisa plate hole can be cleaned thoroughly.

The invention provides an intelligent temperature measurement disinfection cabin and a quarantine method. The temperature measurement disinfection cabin comprises a temperature measurement cabin, a disinfection cabin, a control system, an infrared thermal imaging temperature measurement system, a disinfection system, an automatic gate device, a sensor and an alarm device, wherein the temperature measurement cabin is connected with the disinfection cabin, the infrared thermal imaging temperature measurement system is connected with the temperature measurement cabin, and the disinfection systemis connected with the disinfection cabin; the control system is connected with the infrared thermal imaging temperature measurement system, the disinfection system, the automatic gate device, the sensor and the alarm device; the automatic gate device and the alarm device are associated with the infrared thermal imaging temperature measurement system; the disinfection system includes an ultrasonicatomization device and an ozone generation device which cannot be started at the same time; and the sensor is associated with the ultrasonic atomization device. The temperature measurement disinfection cabin can realize automatic and intelligent quarantine, continuously performs temperature measurement and disinfection, and is high in inspection passing efficiency; people with abnormal body temperature can be effectively screened out, and help is provided for blocking infectious disease propagation paths; and a cross contamination risk is reduced, and safety is high.

The invention discloses an ultraviolet sterilization module and self-service equipment thereof. According to the invention, the ultraviolet sterilization module is arranged on a mounting plate; a touch screen and the mounting plate are arranged on a self-service machine; the ultraviolet sterilization module is characterized by comprising a sterilization shell and a lifting plate; two lifting hingeblocks are fixedly arranged on the lifting plate; the lifting hinge blocks and a rotating shaft are assembled in a circumferential rotating mode; the rotating shaft is also assembled and fixed to a lamp panel hinge block; the lamp panel hinge block is fixedly arranged on a first ultraviolet lamp; one end of the rotating shaft penetrates through the lamp panel hinge block and is assembled and fixed to a rotating shaft ring; a hollow sterilization inner cavity is arranged in the sterilization shell; a first guide shell is fixedly arranged on the inner wall of the sterilization shell; a first guide groove is arranged in the first guide shell; a rotating shaft clamping block is clamped and slidably arranged in the first guide groove; one end of the rotating shaft clamping block is assembled and fixed to one end of a first lock shaft; a rotating shaft clamping block protrusion is arranged on the end surface of the other end of the rotating shaft clamping block; and the other end of the first lock shaft penetrates out of the sterilization shell and is assembled and fixed to a first pull ring.