178results about How to "No cross infection" patented technology

The invention discloses an automated instrument applied to nucleic acid extraction and continuous operation process of a mass spectrum sample application chip in biomass spectrometry analysis of a nucleic acid sample. The automated instrument comprises three main devices, namely, a nucleic acid extraction and purification device, a nucleic acid liquor relief distributing device and a mass spectrum chip sample application device, wherein nucleic acid in body fluid is extracted by using a magnetic bead method, a mechanical arm is utilized to complete a nucleic acid extraction action, the extracted nucleic acid is dispensed onto a sample board through a dispenser, a pipettor is used for transferring the sample board onto a chip sample application instrument, and the mass spectrum and relatedinformation of the nucleic acid are obtained through laser sampling of a mass spectrometer, so that the nucleic acid is analyzed rapidly, directly and continuously. The automated instrument is high-precision in controlling the volume of dispensed liquor, high-cleanliness in controlling the quality of the dispensed liquor and high-efficiency in meeting sample application requirements of large-batch samples; meanwhile, the samples are uniformly distributed under the control of a computer program, volume errors and possible foreign pollution caused by manual operation are avoided, and the speed and efficiency in sample application are increased at the same time.

The invention relates to a disposable cystoscope sheath. To solve the problem of mutual cross-infection during medical inspection. The technical solution adopted is: a disposable bladder inspection mirror sheath, including a sheath tube, a sheath main body, an instrument valve, a short bridge, a water inlet valve and a water outlet valve, and it is characterized in that: said sheath tubes are provided with independent speculum cavities And the instrument channel, the front end of the speculum cavity is provided with a transparent window for sealing the speculum cavity, the front end of the instrument channel is open, the front section of the instrument channel is curved, and forms a certain angle with the front section of the speculum cavity; It is connected with the instrument channel and the main body of the sheath, and the speculum cavity is connected and communicated with the short bridge connected in the main body of the sheath; one end of the instrument valve is inserted in the main body of the sheath, and the other end of the instrument valve is equipped with a rubber cap; the main body of the sheath is provided with an inlet The water valve and the water outlet valve; the water inlet valve, the water outlet valve, the instrument channel and the main body of the sheath communicate with each other. The invention creates an integrated structure, which is simple and convenient to operate, economical, practical and safe.

The invention relates to a disposable urinary bladder sight glass sheath for solving the problem of cross infection during a medical inspection. The adopted technical proposal is as follows: the disposable urinary bladder sight glass sheath comprises a sheath tube, a sheath body, an instrument valve, a short bridge, a water inlet valve and a water outlet valve. The disposable urinary bladder sight glass sheath is characterized in that: a sight glass cavity and an instrument passage independent from each other are arranged in the sheath tube, a transparent window for closing the sight glass cavity is arranged on the front end of the sight glass cavity, the front end of the instrument passage is of an open type, and the front section of the instrument passage is bent and forms a certain angle with the front section of the sight glass cavity; the sight glass cavity and the instrument passage are connected with the sheath body, and the sight glass cavity is connected and communicated with the short bridge arranged in the sheath body; one end of the instrument valve is inserted into the sheath body, and the other end of the instrument valve is provided with a valve cap; the sheath body is provided with the water inlet valve and the water outlet valve; the water inlet valve, the water outlet valve and the instrument passage are communicated with the sheath body. The disposable urinary bladder sight glass sheath has an integrated structure with simple and convenient operation, economical efficiency, practicability and safety.

The invention discloses a portable noninvasive vital sign monitoring method based on intelligent equipment. The method comprises the following steps of installing and opening a vital sign monitoring program on the intelligent equipment; starting a data acquisition function of the vital sign monitoring program, using a three-shaft acceleration sensor or a three-shaft gyroscope sensor to acquire original data of beats at the position of the chest or the heart of a user, and using a camera or an image sensor to acquire image data at the tip of a finger; making the vital sign monitoring program use the intelligent equipment to conduct real-time data processing; making the vital sign monitoring program use a screen of the intelligent equipment to display a vital sign monitoring result. Through the mode, the portable noninvasive vital sign monitoring method based on intelligent equipment achieves monitoring of blood and blood vessel parameters of respiration, a heart rate, blood pressure, oxyhemoglobin saturation, blood viscosity and the like, and has the advantages of being high in portability, convenient to use, non-wearable, low in cost, free of cross infection and the like.

The invention provides a solanum tuberosum and double cropping rice rotation crop rotation culture method for improving a south double cropping rice paddy soil micro-aggregate structure, and belongs to the field of agricultural production. The method mainly comprises the first step of solanum tuberosum high-yield cultivation and the second step of early rice and late rice high-yield cultivation, wherein the first step comprises the substeps of preparation before seeding, variety selection, cutting of seed solanum tuberosum, seeding at suitable time and coverage of straw and a mulching film, field management comprising timely film breaking, topdressing, drainage and insect disease prevention, timely harvesting, and field returning of solanum tuberosum stem leaves and straw for coverage, and the second step comprises the substeps of variety selection, seedling transplanting, filed management comprising scientific fertilization, weeding, irrigation and insect disease prevention, timely harvesting and field returning of straw. By means of the method, south double cropping rice paddy winter agriculture can be reasonably developed, the rice paddy soil micro-aggregate structure is effectively improved, soil is fertilized, economic benefits of solanum tuberosum in one season are increased on the basis of ensuring the double cropping rice yield, the purposes of improving the rice paddy soil structure and obtaining high-yield year-round crops are achieved, and the popularization value is high.

The invention discloses a liquid detection chip and a liquid detection method; the liquid detection chip comprises a base which is provided with a measurement pool and a waste liquid chamber; the waste liquid chamber is internally provided with a piston which is provided with a hollow sampling needle; the measurement pool is communicated with the hollow sampling needle and the waste liquid chamber at the same time; and the base is provided with a detection device used for detecting liquid in the measurement pool. The liquid detection method comprises the following steps of: a) preparing; b) detecting a calibration bag; c) detecting liquid to be detected; and d) comparing. By using the liquid detection chip and the liquid detection method, the detection accuracy of a portable detecting instrument can be remarkably improved.

The invention discloses a drying and sterilizing device and a method. The device is provided with a cabinet, a sterilizing system, a drying system, a ventilating system, a suspension system and a control system, wherein leads are connected between the control system and the sterilizing system as well as the drying system; a plug of the device is externally connected with a power supply; according to the needs, the work hour for drying and sterilizing can be set; an interchanging switch is positioned at the needed switch position; a toothbrush, a towel, a shaver or other articles are respectively arranged on a hanging rod and a fixer; and the door of the cabinet is closed, the drying and sterilization start, an air blower is switched on, the control system simultaneously charges a storage battery, the device stops working after the drying and sterilization are finished, when the external power supply is switched off suddenly, the storage battery starts to work, and an ultraviolet sterilizing device works according to the set time so as to sterilize the articles in the device. The invention can avoid cross infection, dry the towel, toothbrush and other living goods simultaneously without any peculiar smell, utilize the external power supply or self-contained power supply, is complete in functions and not easy to generate internal corrosion, prevents secondary pollution, and has small volume, low production cost and use cost, high safety factor, and convenient and simple operation.

The invention discloses a cultural method for interplanting lily with cowpea, and relates to the technical field of crop planting. The method comprises the steps that site preparation and fertilization is performed, ridging and bedding are performed, the lily is transplanted on the bed faces, deep trenches are excavated on the two sides of each bed face, and high ridges used for planting the cowpea are formed beside the deep trenches; the lily is transplanted in September to October and harvested in the end of October to the middle ten-day of November next year; the cowpea is sowed and seeded in the last ten-day of May to the first ten-day of June and interplanted and transplanted in the last ten-day of June to the first ten-day of July, hill spacing is 25-30 cm, and tendrils are guided to canopy frames when the cowpea sprouts the tendrils. According to the cultural method for interplanting the lily with the cowpea, one-season cowpea can be additionally planted while the lily is planted, the land area can be effectively utilized, not only is the space of subsoil utilized, but also the upper space formed by the canopy frames can be effectively utilized for the growth of the cowpea, and meanwhile a partial shading effect is played for the lily. Ridging and bedding and the design of the canopy frames are in accordance with the growth characteristics of the lily and the cowpea, the planting method is easy to operate and manage, the lily production and quality can be guaranteed, one-season cowpea production can be added, the obvious economic benefit can be achieved, the interannual planting belt interchange crop rotation can be achieved, and the insect attack of the lily and the cowpea can be reduced.

The invention discloses an emergency container type negative pressure ward which comprises a negative pressure ward body, a fresh air system, an exhaust system, a control system and a power supply system. A clapboard is arranged in the negative pressure ward body, and divides an inner chamber of the negative pressure ward body into a ward area, a toilet area and a buffer room area which are independent mutually; an air inlet of the fresh air system communicates with outside air; and an air outlet of the fresh air system communicates with air inlets of the ward area and the buffer room area through fresh air pipelines. According to the emergency container type negative pressure ward provided by the invention, the number of wards can be adjusted in time according to the number of patients, and the emergency container type negative pressure ward is suitable for sudden respiratory infectious disease isolation-protection and diagnosis-treatment and cannot cause pollution to public wards ofa hospital.

The invention discloses a full-optical non-contact vital sign monitoring device which comprises a laser light source, a first n*n optical fiber coupler, a first optical fiber, a reference optical fiber, a sensing optical fiber, a second n*n optical fiber coupler, a second optical fiber, an photoelectric detector and a module for extraction and analysis of vital signs, wherein two output ends of the first n*n optical fiber coupler are connected to input ends of the reference optical fiber and the sensing optical fiber respectively; output ends of the reference optical fiber and the sensing optical fiber are connected to an input end of the second n*n optical fiber coupler respectively; an output end of the second n*n optical fiber coupler is connected to the photoelectric detector by the second optical fiber; and an output end of the photoelectric detector is connected to the module for the extraction and analysis of the vital signs. In this way, the full-optical non-contact vital sign monitoring device disclosed by the invention has the advantages that the structure is simple; sensitivity is high; cross infection is avoided; timeliness is high; power consumption is low; distributed remote monitoring is implemented; electromagnetic interference is prevented, etc.

The invention discloses a control method of a capsule endoscope diagnosis and treatment system. The capsule endoscope diagnosis and treatment system comprises a capsule endoscope, a receiving box, an antenna combined vest and an intelligent terminal. The method includes the following steps: in a human digestive tract, the capsule endoscope collecting data information in the digestive tract according to a capsule control command and sending the data information to in vitro through a wireless mode, the data information including digestive tract image data, capsule positions and posture data; the receiving box receiving the data information from the capsule endoscope through the antenna bore on the antenna combined vest and storing or sending to the intelligent terminal through an internet in real time; meanwhile treating the capsule positions and the posture data therein, generating corresponding capsule control commands and sending to the capsule endoscope through a wireless mode, and controlling the data collection process of the capsule endoscope.

The invention relates to a multifunctional main and collateral channel holographic healthcare channel integrating system, which belongs to the field of diagnosis, treatment, prevention and healthcare technology and equipment for preventive treatment of diseases. The system at least comprises one or a plurality of healthcare channels, one or a plurality of healthcare bins distributed at intervals, or one or a plurality of healthcare channels combined with one or a plurality of healthcare bins distributed at intervals, and a microcomputer processing system consisting of one or a plurality of computers. Healthcare equipment which outputs physical factors or natural factors with main and collateral channel healthcare parameters is mounted in each healthcare bin or healthcare channel, and is used for realizing a healthcare effect of a healthcare receiving person due to effects of the physical factors or natural factors in the bin or channel; and the microcomputer processing system is respectively connected with the healthcare equipment and regulates and controls the physical factors or natural factors. The system can be configured flexibly, and can simultaneously realize multiple functions of realizing prevention, healthcare, recuperation and recovery in the aspect of the main and collateral channel holographic theory.

The invention discloses a medicine applying device applied to burn patients in a heat treatment process. The medicine applying device comprises an applying head, a control switch, an applying device main body, a rotator, a protective shield, a switch button and a movable head cover, wherein a three-phase motor is arranged in the applying device main body; one end of a screw lead is connected to the three-phase motor, and a piston head is fixedly arranged at the other end of the screw lead; a drum body and a medicine discharging pipe are arranged in the applying device main body; the spraying head is arranged at the front end of the movable cover head and the protective shield is arranged at the outer end of the applying head; the control switch is arranged at the back end of the applying device main body; and the switch button is arranged at the front end of the applying device main body. The medicine applying device provided by the invention is simple in structure and novel in design;an ointment can be squeezed out in a laminar form by virtue of a medicine outlet, so that the ointment can be applied conveniently; the medicine (the ointment) can be uniformly applied by virtue of asponge protective cover; moreover, the sponge protective cover can be replaced and can avoid cross infection which is caused when the medicine is applied; and by virtue of a silk rope and a rope fixator, the device can be firmly held in a hand, so that a circumstance that the applying head gets contaminated due to accidental dropping of the device can be avoided.

The present invention relates to a disposable clinical thermometer and the manufacture method. The temperature is measured and the measured temperature is stabilized by a liquid drainage method, a temperature sensing bulb is a cavity body, colored simethicone temperature sensing liquid and a sodium chloride chip are arranged in the temperature sensing bulb, colorless transparent glycerin assistant fluid or glycerin assistant fluid with obvious color difference with the colored temperature sensing liquid is filled in a capillary pipe, when the temperature is measured, temperature sensing liquid is heated and caused to expand, emitted upwards, raised along the capillary pipe, and the assistant fluid is emitted to the valve body of a temperature locating device. After the temperature is measured, a piston is pressed down, the assistant fluid is emitted to an assistant fluid storehouse through a fluid emission slot, the piston is pressed down and the fluid emission slot is closed, the piston is locked, and simultaneously the chip sodium chloride generates gas in the vacuum state to fill up the space caused by the rise and location of the temperature sensing liquid. The present invention has the advantages that the nontoxic temperature sensing liquid replaces mercury, thus solving the problem of mercury pollution. The measured body temperature is not changed under the influence of the outside temperature, and the disposable operation does not cause cross infection.

The invention discloses a cultivation method for interplanting fritillaria between lines of blueberry plants. The cultivation method includes the following steps that firstly, land is improved, and then the PH value and the organic content of soil meet the growth requirements of blueberries and fritillaria, and the blueberry plants are field-planted; secondly, after blueberries are picked, fritillaria planting furrows are dug in appropriate regions between the planting lines of the blueberry plants; thirdly, appropriate fritillaria bulbs are selected as seeds, fritillaria is sown in planting furrows of the blueberry plants, and then a field where fritillaria is interplanted between the lines of the blueberry plants is formed; fourthly, the field where fritillaria is interplanted between the lines of the blueberry plants is managed; fifthly, blueberries and fritillaria are alternately harvested. According to the cultivation method for interplanting fritillaria between the lines of the blueberry plants, by the utilization of the characteristics that the growth habit of blueberries and the growth habit of fritillaria are mutually matched and the characteristics that operation time of blueberries and operation time of fritillaria are mutually staggered, land resources can be effectively utilized, and economical benefits are increased.

The invention relates to a method for producing edible mushroom, wherein it comprises that first producing the cement concrete ground, with grooves; the grooves are mounted with temperature-humidity adjusting ejector with ejection holes; the platform near the groove is mounted with vertical post; the top of post is transversely mounted with transverse rod suspending the line; said transverse rod is mounted with flagging mushroom bag suspending line; the circumference of ground is mounted with barrier wall; the upper part of barrier wall is mounted with composite non-arc house formed by shade network and green filter film; and the mushroom bag suspender formed by post, transverse rod and line is inside the lower part of said house. The invention has simple method and high safety, without cross infection between bags. It has high yield and continuous production.

The invention discloses a safe entry needle comprising a needle head, a needle head jacket, a needle head seat and a safe needle sleeve, wherein the safe needle sleeve comprises a sleeve used for sleeving the needle head, and a cylinder and a slice used for locking the needle head are arranged on the sleeve; the needle head seat comprises a needle head connecting end, a safe needle sleeve connecting segment and an inner conical joint end, which are integrally connected; the needle head jacket is sleeved on the needle head connecting end; the cylinder is connected with the safe needle sleeve connecting segment; the inner conical joint end is cooperatively connected with an outer needle cylinder connecting end. The universal safe entry needle is simple and reasonable in structure, can not be used secondarily, is free of cross infection, unlikely to scratch people, easy to manufacture, low in cost, safe to use and strong in universality, and various of injectors can be matched with safe needle sleeves, so that the practicability is good.

The invention relates to the field of medical diagnosis apparatuses, in particular to an ultrasonic coupling agent combined type examination and diagnosis device which comprises an ultrasonic generator, an ultrasonic image display, an ultrasonic input keyboard and an ultrasonic probe. The ultrasonic generator and the ultrasonic image display are connected with the ultrasonic probe through signal transmission lines. The ultrasonic coupling agent combined type examination and diagnosis device is characterized by further comprising a coupling agent containing box, a coupling agent output opening is formed in the top end of the ultrasonic probe and connected with a coupling agent transmission pipe bound beside the signal transmission lines, the tail end of the coupling agent transmission pipe is connected with the coupling agent containing box connected with a pressure pump for extruding out a coupling agent, and a coupling agent switch button is arranged on the surface of the coupling agent transmission pipe. Therefore, the ultrasonic coupling agent combined type examination and diagnosis device is reasonable in design, practical, convenient to use and beneficial to operation of medical staff.

The invention discloses a waste liquid gathering device for internal medical nursing, and relates to the technical field of medical equipment. The device comprises a box body, a box cover, a gathering cavity, a cleaning cavity, a disinfecting cavity and a rotating treatment member; the gathering cavity is disposed at the top of the box body and the bottom of the gathering cavity is communicated with the box body; the rotating member is disposed in the box body and positioned under the gathering cavity; one side of the rotating member is provided with the cleaning cavity, and the other side of the rotating member is provided with the disinfecting cavity; the rotating treatment member comprises a rotating shaft and object bearing plates; two ends of the rotating shaft are rotatably connected to front and rear sides of the box body respectively; a water outlet of a water supply pipe is disposed in the cleaning cavity and the water outlet position of the water supply pipe is fixedly communicated with a high pressure jetting head; a certain included angle is disposed between a water jetting direction of a water outlet of the high pressure jetting head and a connecting line from the center of the rotating shaft to the high pressure jetting head; and a water and air absorption cavity and a first suction pump are disposed outside the cleaning cavity. The waste liquid gathering device can be automatically cleaned and working intensity of medical workers can be reduced without causing cross infection.

The invention provides an operating coat capable of being repeatedly used. The operating coat comprises a coat body for a user to wear, a ventilation structure and a pollution-proof structure, wherein the coat body comprises a sterile region capable of preventing contamination of bacteria and a non-sterile region allowing contamination of the bacteria; the ventilation structure is arranged on the coat body and is used for carrying out ventilation on a body of the user covered with the coat body; and the pollution-proof structure is arranged on the coat body and is used for isolating the sterile region from the non-sterile region, so as to prevent the sterile region from being polluted by the non-sterile region. The pollution-proof structure is arranged so that the sterile region and the non-sterile region are not crossly infected when medical personnel take a seat. Therefore, the medical personnel can have a rest properly in an operation process, and does not need to keep long-time standing due to worries about pollution, caused by the non-sterile region, to the sterile region; and the working strength of the medical personnel is alleviated and the probability of crossed infection in a process of utilizing the operating coat capable of being repeatedly used for a plurality of times is reduced, so that the utilization safety is guaranteed.

The invention discloses a micro-needle patch containing azelaic acid. A solution formula for preparing a micro-needle tip comprises an active component, sophocarpidine and a water-soluble matrix material, wherein the active component comprises azelaic acid, and the mass percentage of azelaic acid in the needle tip solution is 0.1%-10%. The azelaic acid in the micro-needle patch is high in bioavailability and good in skin mildness, local skin irritation of azelaic acid is avoided, and the antibacterial activity effect of azelaic acid is not affected. The invention further discloses a preparation method of the micro-needle patch.

The invention discloses a high-accuracy non-cross-infection wet type instrument for bone mineral density ultrasonic imaging, which comprises an ultrasonic energy converter, a limiter, an analogue switch, a filter, a numerical control gain amplifier, an analog-digital converter, a memorizer, a digital signal processor, a microprocessor, a signal source, a driver, a power level, a stepping motor, an X-Y two-dimension scanning module, a vacuum degassing water generator, a man-machine interaction device, a power supply device and a concave water tank for holding an ankle part to be detected. The instrument is used for measuring the digital ultrasonic quantitative parameters (QUS, Quantitative Ultrasound) of calcaneus, including BUA (Broadband Ultrasound Attenuation) and SOS (Speed of Sound), can measure real thickness of the calcaneus, eliminate influence of soft tissues on SOS, and provide degassed water for wet type measurement so as to provide high-accuracy bone mineral density value; by using a thin sock which is10 micrometers thick and made of silica gel and the like, cross infection can be eradicated; and the digitalized image of the calcaneus can be obtained by X-Y two-dimension scanning, and the imaging area of the calcaneus is 60*60 mm.

The invention discloses a direct-spread RPA (recombinase polymerase amplification) on-site visibility detection method which comprises the following steps: 1) roughly extracting genomic DNA (deoxyribonucleic acid) of a to-be-tested sample; 2) designing an RPA specific primer for a target gene; 3) adding the RPA specific primer into an RPA reaction system, and performing an PRA amplification reaction, wherein the concentrations of components in the RPA reaction system are as follows: the concentration of an outer primer F is 0.12-0.48 mu M, the concentration of an inner primer R is 0.12-0.48 muM, the concentration of dNTPs is 1.4-1.8mM, the concentration of MgOAc is 8.4-14mM, the concentration of template DNA is 1-2 mu L; the reaction procedure is carried out at 32-42 DEG C for 5-10 minutes; 4) identifying amplification results, namely putting an SYBR Green I dye into an amplification product, directly observing color change with day light or sunshine, and judging that samples of greenare positive and samples of orange are negative. The method can be applied to RPA detection on all genes from animals, plants and microorganisms, and rapid, simple, convenient and visible identification on RPA amplification products can be achieved.

A straight-type indwelling needle comprises an indwelling needle base and an indwelling needle hose. The lower portion of a cavity of the indwelling needle base is provided with a sealing plug made of soft elastic medical materials. The cavity of the indwelling needle is internally provided with a hard hollow liquid guiding rod which can penetrate through the sealing plug in an insertion mode, stretches into the bottom of the cavity of the indwelling needle base and is made of medical materials. The upper portion of the hard hollow liquid guiding rod is communicated with an externally-connected infusion device. According to the straight-type indwelling needle, due to the fact that the structure that the sealing plug is combined with the liquid guiding rod is ingeniously adopted, the sealing plug can be utilized for reliably sealing and isolating the indwelling needle hose and the bottom of the cavity of the indwelling needle base, it is ensured that the phenomenon that blood backflows to the exterior of the cavity of the indwelling needle base is avoided after a puncture needle is pulled out when puncturing is completed, cross infection of a medical worker and a patient is eliminated, the medical worker can pull out the puncture needle with one hand, labor intensity of the medical worker is reduced, and pressing pain and damage to blood vessels of the patient are relieved. The straight-type indwelling needle is simple and reliable in structure and high in practicability, and facilitates promotion and popularization.

The invention discloses a waterborne polyurethane-acrylate interpenetrating polymer network copolymer emulsion continuous production method and device. The method comprises carrying out polyol manufacture or polyol dehydration through a high temperature reactor, putting the product into a prepolymerization reactor, carrying out performed polymer synthesis, hydrophilic chain extension and primary acrylate grafting insertion into the polyurethane performed polymer, transferring the performed polymer into a high-speed dispersion kettle, carrying out neutralization, adding water into the high-speed dispersion kettle, carrying out high-speed dispersion to obtain a uniform dispersion liquid, transferring the dispersion liquid into a solvent removal or polymerization kettle, carrying out secondary chain extension, carrying out reduced pressure removal on the solvent in the dispersion liquid, reducing water in the gaseous solvent through a cyclone separator and carrying out acrylate pre-emulsion-polyurethane copolymerization in an emulsification kettle to obtain a high-quality waterborne polyurethane-acrylate interpenetrating polymer network copolymer emulsion. The method and device greatly reduce labor intensity, reduce material adhesion caused by fault of a pipe device such as a pump, greatly improve production efficiency, reduce a formula material loss and reduce a production cost.

The invention discloses an anti-reflux remaining needle, comprising a remaining needle holder, a remaining flexible pipe, an extension pipe, an extension pipe seat and a liquid stopping clamp, wherein the liquid stopping clamp is arranged on the extension pipe; the extension pipe is connected between the extension pipe seat and the remaining needle holder; the extension pipe is a multi-cavity catheter which comprises at least two channels. According to the anti-reflux remaining needle, the structure of a multi-channel extension pipe is tactfully used, not only is the situation that a medical liquid dripping channel cannot be blocked in the infusion process sufficiently guaranteed, and the dripping speed and smoothness of medical liquid are guaranteed, but also a micro gap can be formed in the joint position between the outer wall and each separate inner wall of the extension pipe due to the fact that the multi-channel extension pipe is clamped through the liquid stopping clamp after the infusion operation is finished and paused every time, so that a microporous channel is formed by the micro gap between the extension pipe and the bottom part of the chamber of the remaining needle holder; a positive pressure chamber is formed through the upper part of the extension pipe and the extension pipe seat, therefore the blood reflux can be effectively and reliably prevented through slow penetration of the medical liquid, stored in the positive pressure chamber, via the microporous channel, and an anti-thrombotic purpose is achieved.

An anti-infection surgical gown comprises a clothing embodiment, a prompt structure and an anti-pollution structure. The clothing embodiment is suitable for wearing when users operate. The clothing embodiment comprises an aseptic area where contaminating germs is prohibited and a nonsterile area where contaminating germs is allowed. The prompt structure is arranged at the border of the aseptic area and the nonsterile area of the clothing body, which is suitable for differentiating between the aseptic area and the nonsterile area of the clothing embodiment. The anti-pollution structure is arranged on the clothing embodiment, which is suitable for insulating contact between the aseptic area and the nonsterile area. And the aseptic area can avoid being polluted by the nonsterile area. The anti-infection surgical gown improves reminding and warning effects for health care providers' differentiation between the aseptic area and the nonsterile area, and prevents the contact infection of the aseptic area and the nonsterile area.

The invention provides a disposable multifunctional soft anal fistula probe which solves the problems that in the prior art, because of structure and material constraints, a false passage, false endostoma and the like are likely to be caused, and due to unsatisfactory disinfection and sterilization, infection is likely to happen. The probe includes a connector for being connected with an externalinstrument, a catheter and a guide wire; a first hole passage is formed inside the connector; one end of the catheter is communicated with the connector, the head of the other end of the connector isobtuse and is beneficial to being inserted into the fistula, the false passage is not likely to form, and multiple side holes are formed in the obtuse end of the catheter and used for medicine output;the guide wire penetrates the catheter. According to the disposable multifunctional soft anal fistula probe, the overall deformability is enhanced, when probing, the probe cannot be overbent or deformed, the adaptability is enhanced, and when the catheter is placed in the fistula, the false passage, the false endostoma and the like are not easy to form.