123results about How to "Ensure a sterile environment" patented technology

The invention discloses a guide wire/catheter delivery device for vascular intervention and a using method of the guide wire/catheter delivery device and a vascular intervention surgical robot. The delivery device comprises a clamping assembly used for clamping a guide wire/catheter, and a driving part, wherein the clamping assembly comprises a clamping base, one or more driving wheels and one or more driven wheels, the driving wheels and the driven wheels are rotationally mounted on the clamping base, and are symmetrically arranged on the two sides of the guide wire/catheter; the driving part comprises a wire feeding and retreating driving unit and a wire rotating driving unit, the wire feeding and retreating driving unit is connected with the driving wheels and drives the driving wheels to rotate, and the driving wheels rotate to drive the guide wire/catheter to move in the axial direction; and the wire rotating driving unit is connected with the clamping base and drives the clamping base to rotate in the axial direction of the guide wire/catheter, and then the guide wire/catheter is driven to rotate. The guide wire/catheter rotates around a shaft and axially moves independently or rotates around the shaft and axially moves synchronously in an automatic mode, guide wire propelling accuracy and precision are improved, and therefore the operation safety is greatly improved.

The invention discloses a sterile filling valve applied to a sterile cold filling production line of beverage products. The filling valve comprises a material flowing cavity channel, and a valve opening and closing device is combined with a valve body into a whole, and the valve opening and closing device and the valve body are completely separated into two parts by an air and liquid separation film. The design guarantees the sanitation requirement of the sterile filling, and reduces the interference on the material flowing by the complicated design, so the material is favorable to flow, and the cavity channel is convenient to clean in all directions. The filling valve is integrally arranged on a mounting hole of a rotary table of a filling machine, and pairwise pressed by press plates, sothe valve can be conveniently mounted and detached. A pipeline of the filling valve is provided with an electromagnetic flow meter and a metal film valve for accurately controlling the filling accuracy. The valve adopts the filling method of not contacting bottle openings, so the pollution can not be caused even if the polluted bottles exist. Various functions of accurate filling of various levels, filling under the condition of bottle existence, no filling under the condition of no bottle, filling stop under the condition of bottle fulfillment, and the like can be realized by a filling control unit.

The invention discloses a high-temperature steaming resistant and easy-uncovered composite film. The film comprises a surface layer, a barrier layer and a heat sealing layer arranged in sequence; thesurface layer is a single-layer structure or two-layer composite structure or a three-layer composite structure, and comprises a PET film, a nylon film or a polypropylene film; the barrier layer is aluminum foil or aluminized PET; and the heat sealing layer is an inorganic filler modified polyethylene film. The invention also discloses a manufacturing method of the high-temperature steaming resistant and easy-uncovered composite film. The film of the invention can be subjected to high-temperature steaming sterilization, has good transparency, a wide heat sealing window, stable heat sealing strength and excellent uncovering property, and can meet safety performance requirements of medical packaging. After reaching the heat sealing window, the film of the invention does not cause dead sealing compared with a conventional film.

The invention relates to a brewing method of sweet sparkling cider. The method selects high-efficiency SIHA-Active-Yeast 3 dry yeast, uses concentrated apple juice as a raw material, undergoes nitrogen-enriched culture, yeast activation, main fermentation, post-fermentation, and post-fermentation. During the fermentation process, the temperature, pressure, and fermentation degree are controlled, and the cider is obtained after clarification and microfiltration. The obtained cider has the traditional apple aroma and wine aroma, and the taste is natural and harmonious; the foaming is even and rich, and the mouth is more refreshing.

The invention relates to an automatic cell culture box. A refrigeration storage device, a CO2 conservation device, a culture medium box or a midway recycling bin, a central incubator, an activation box and a microscope camera structure are respectively connected with a center control system; the refrigeration storage device is arranged on one side in the box body; the CO2 conservation device is arranged on the other side in the box body; the refrigeration storage device and the CO2 conservation device are arranged at an interval by a clapboard in the box body. Compared with the traditional manual culture box, the automatic cell culture box provided by the invention has the advantages that the efficiency is improved by 30 percent, cell culture can be automatically controlled, completely closed culture is realized, an opening step does not exist any more, and the biological safety of cells is thoroughly guaranteed; uniform cell culture standard is realized, cell culture for more people can be simultaneously realized, the efficiency is improved, the labor intensity is reduced, the using amount of consumed materials is reduced, and the culture cost is reduced; the culture box can be used in an ordinary environment, and GMP (Good Manufacturing Practice) building and equipment purchasing costs are greatly reduced.

The invention discloses a guide wire/catheter conveying device of a vascular interventional surgical robot and the vascular interventional surgical robot. The conveying device comprises a driving part, one or more groups of wire feeding and retreating modules and a wire rotating module, wherein the driving part comprises first driving units and a second driving unit; the first driving units are used for driving the wire feeding and retreating modules so that a guide wire/catheter can move in the axial direction of the first driving units; and the wire rotating module further comprises a clamping assembly, the clamping assembly is used for clamping the guide wire/catheter, and the second driving unit is connected with the clamping assembly and used for driving the clamping assembly to rotate along the axis of the guide wire/catheter so as to drive the guide wire/catheter to rotate. By adopting an automatic mode, guide wire/catheter rotation and wire feeding and retreating are performed synergistically or independently, the two hands of a doctor are liberated, the working time of the doctor in a radiation environment is shortened, the failure rate of an operation is reduced, and the accuracy and precision of pushing and rotation are guaranteed, so that the safety of the operation is greatly improved, and the working efficiency of doctors is improved.

The invention relates to a photoelectric distance measurement system adopting non-contact measurement, which comprises a luminous source, a light path transition module, a measured object that is an operation tool, an image acquisition and processing module as well as a data communication interface. Luminous rays emitted from the luminous source irradiate on the operation tool through a plurality of refractions and reflections by the light path transition module, and reflected back to enter a CMOS picture sensor of the image acquisition and processing module. When the operation tool moves, the CMOS picture sensor records continuous images, and then a digital signal processor carries out contrastive analysis to continuous two images to judge the movement direction and the displacement of the operation tool. The photoelectric distance measurement system is suitable for the accurate distance measurement environment needing to adopt a non-contact measurement manner, and can be surely applied to the measurement of a robotic operation tool in a vertebral minimal invasion. The photoelectric distance measurement system has the main advantages as follows: the non-contact measurement of the operation tool is realized; the bacteria-free environment is ensured in operation; the characteristics of speediness and accurate distance measurement can be achieved; and the structure is simple and reliable, and the product forming level is high.

The invention discloses preparation sterilizing equipment for a particle-containing liquid beverage and a preparation method of the particle-containing liquid beverage. The preparation sterilizing equipment comprises a storage container, a dosing mechanism, a pure water container, and a discharge pipeline, the discharge pipe comprises a first switching valve arranged at a feed end and a second switching valve arranged at a discharge end; the first switching valve is used for communicating the pure water container with the feed end or communicating the storage container with the feed end; the second switching valve is used for communicating the discharge end with the pure water container or communicating the discharge end with the storage container; the dosing mechanism comprises a dosing container communicated with the storage container, a liquid feeding pipeline, a flowmeter arranged on the liquid feeding pipeline, a particle feeding pipeline, and a liquid level sensor; and the liquidlevel sensor is used for judging whether a particle entering the dosing container elevates the liquid level of the dosing container to the set height. The preparation cost of the particle-containingliquid beverage is lowered; and when bottling equipment at the rear end goes wrong, the problem of damaging the particle-containing liquid beverage because of excessive repeated sterilizing is avoidedwhile the aseptic environment of the system is guaranteed.

The invention discloses a medical instrument storage device for the medical general surgery department, and a using method thereof, and belongs to the technical field of medical equipment. The medical instrument storage device for the medical general surgery department comprises a box body and a table plate, the table plate is connected to the top of the box body, a closing assembly is arranged on the bottom wall of the table plate, a lifting mechanism is arranged on the bottom wall of the box body, a storage mechanism is connected to the top wall of a lifting plate, and an ultraviolet sterilization device is arranged on the inner side wall of the box body. The storage mechanism comprises a first storage box, a first connecting rod assembly and a second connecting rod assembly, each of the first connecting rod assembly and the second connecting rod assembly comprises a half gear, a first connecting rod and a second connecting rod, the two half gears are rotationally connected to the side wall of the first storage box and meshed with each other, the first connecting rod is connected to the outer wall of the half gear, and the second connecting rod is connected to the side wall of the half gear. According to the medical instrument storage box, medical instruments can be stored for a long time, various surgical medical instruments can be well classified, and taking and placing are very convenient and fast.

The invention discloses an aseptic cold canning device for plant extract concentrated liquid. plate, injection port, water pipe, window, control button, supporting feet are connected with the hood, the indicator is set on the top of the condensing cylinder, the injection port is set on the upper surface of the inner side of the hood, and the ultraviolet disinfection lamp includes a tripod, Ultraviolet lamp tube, lamp cover, control switch and frame, the tripod is connected with the frame, and the control switch is arranged on the front surface of the frame. The invention is a sterile cold canning device for plant extract concentrate, and the structure is provided with an ultraviolet disinfection lamp , The ultraviolet disinfection lamp is set above the connecting plate. When the operator uses the storage tank to contact the injection port, the control switch is turned on, and the ultraviolet light emitted by the ultraviolet lamp can kill the microorganisms generated in the contact process and ensure that there is no bacterial environment.

The invention provides a cell passage batch culture and detection device and method. The device comprises a culture region box body, a culture device and a detection clamping module; the culture region box body comprises an environment control box, a culture region box body frame and a culture region base; the culture device comprises a longitudinal storage frame, a transverse storage frame, a bracket base and a six-hole plate bracket; and the detection clamping module comprises a three-degree-of-freedom linear module and a manipulator. The cell passage batch culture and detection device has the advantages that: (1) by adopting the three-degree-of-freedom detection clamping module, the cell passage batch culture and detection device is flexible, convenient and accurate to position and clamp a culture dish in a culture region, and by matching with a camera module, automatic detection identification and grabbing on the cell passage culture dish are implemented, so that cell culture efficiency is improved; (2) the environment control box and the culture region box body isolate an external environment so as to ensure an aseptic environment of cell culture and improve a success rate ofcell culture; and (3) the cell passage batch culture and detection device further has the advantages of simple device structure, easiness for operation and saving of labor hours.

The invention discloses an intelligent wardrobe, which comprises: a wardrobe main body which is provided with a containing cavity for containing clothes; a disinfection and sterilization device whichis arranged in the containing cavity and which comprises a shell and an ultraviolet sterilization light source, wherein the shell is provided with an accommodating cavity and a lamp hole, the lamp hole is communicated with the containing cavity and the accommodating cavity, and the ultraviolet sterilization light source is arranged in the accommodating cavity and corresponds to the lamp hole; a dehumidifying device which is arranged on the wardrobe main body and which comprises a shell and a refrigerating structure, wherein the shell is provided with a mounting cavity, a first air inlet and afirst air outlet, the first air inlet and the first air outlet are communicated with the mounting cavity, the refrigerating structure is arranged in the mounting cavity, and the first air inlet and the first air outlet are communicated with the containing cavity. The invention aims to provide the intelligent wardrobe which can realize cyclic dehumidification, ensure the dryness of clothes, and realize disinfection, sterilization and peculiar smell removal of the clothes at the same time.

The invention relates to a construction method for obtaining an aseptic seedling of a lotus flower, and belongs to the technical field of plant tissue culture. The construction method comprises the following steps of (1), sterilization: selecting a round and full lotus seed of a Guangchang white lotus root, and disinfecting by using 75 percent alcohol and 3 percent sodium hypochlorite on an aseptic operating platform for later use; (2), hull breakage and soaking: breaking a hull by using pruning shears, leveling and soaking the seed of the lotus flower, whose hull is already broken, in asepticwater for 7h or above, wherein the seed absorbs water and expands, and a seed husk is separated from a seed leaf; (3), stripping of the seed husk: stripping a seed coat outside the seed, soaking theseed without the seed husk in the 75 percent alcohol for 2min for disinfection, taking the seed out, and air-drying; (4): obtaining of a seed embryo: manually pinching open the seed, which already absorbs the water and expands, after moisture on the surface of the seed is evaporated, and taking the seed embryo down by using tweezers; (5), primary selection and inoculation: carrying out the primaryselection on the embryo, and inoculating the embryo which is qualified in the primary selection in an MS (Murashige-Skoog) culture medium. The construction method is used for obviously improving theutilization rate and survival rate of the lotus seed, and moreover, the contamination rate and the loss rate are furthest decreased.

The invention discloses an axenic cultivation utensil for animal and plant cells. The axenic cultivation utensil comprises a utensil shell, a sample storage cavity is formed in the utensil shell, filtering nets capable of filtering air are fixedly arranged on the left side wall and the right side wall of the sample storage cavity, a bearing plate capable of bearing animal and plant cell samples isarranged in the sample storage cavity, an ultraviolet lamp capable of disinfecting the sample storage cavity is fixedly arranged at the lower end of the bearing plate, and a hydraulic lifting mechanism is fixedly arranged on the lower end of the sample storage cavity. The axenic cultivation utensil is simple in structure and convenient to maintain and use, the inside of the device can be continuously sterilized and disinfected, the aseptic condition is kept, time and vigor of experimenters which are consumed by repeated experiments due to the cultivating-sample pollution problem are greatly saved accordingly, expenditures required by the experiments are also saved, and therefore the axenic cultivation utensil has high using and popularization value.

The invention discloses a flat plate flow cavity capable of simultaneously applying static pulling force and flow shearing force. The flow cavity comprises a base (1) and a cover plate (2) which are mutually connected, wherein a flow cavity groove (3) is arranged in the base (1); a placing groove (4) is arranged at the bottom of the flow cavity groove (3); two ends of the placing groove (4) are respectively provided with a fixing groove (401) and a sliding groove (402); a flexible film (5) is arranged in the placing groove (4); one end of the flexible film (5) is provided with a first clampingpin (501) buckled into the fixing groove (401); the other end of the flexible film (5) is provided with a second clamping pin (502) buckled into the sliding groove (402); and a plurality of the sliding blocks (6) are arranged in the sliding groove (402) at the outer side of the second clamping pin (502). The flow cavity can simultaneously load static traction force and flow shearing force on cells and adjust the loaded stress.

The invention belongs to the technical field of plant asexual propagation, and discloses a tissue culture propagation method of an endangered rare plant tetraena mongolica. Tissue culture is intensively embodied in collection and pretreatment of an explant of the tetraaceae mongolian and the completion part of each treatment stage of the tetraaceae mongolian. A tissue culture technology is applied, and annual tetraena mongolica plants are directly induced to root for propagation. The annual new branches are taken as explants, and washing with running water is conducted to remove attachments such as dust and the like on the surfaces of the explants; and a cleaning agent is adopted to disinfect and sterilize the surface of the explants. The sterilizing agent is used for disinfecting and sterilizing the explants, the sterile environment of the treated explants is guaranteed through secondary flushing of sterile water, and the sterilizing agent is matched with the optimal culture medium to complete tissue culture of the tetraena mongolica. According to the culture mode, the technical bottleneck of artificial breeding and cultivation of the tetraena mongolica is broken through, and artificial rapid breeding and large-scale production and application of endangered desert plants are achieved. A large number of tetraena mongolica plants are obtained through a tissue culture asexual propagation means, artificial propagation of tetraena mongolica is achieved, and basic conditions are provided for continuation and expansion of populations.

The invention discloses a hand sanitizer with cooling and skincare effects. The hand sanitizer is prepared from, by mass, 6-8% of glycerinum, 0.2-0.4% of Artemisia Vulgaris oil, 0.4-0.6% of aloe essential oil, 0.5-0.8% of mint essential oil, 0.5-1.0% of antioxidant, 1-2% of potassium laurate, 0.6-0.8% of lubricant, 1-2% of honeysuckle essential oil and the balance deionized water; the Artemisia Vulgaris oil is added into the hand sanitizer, the hand sanitizer has the effects of warming channels for stopping bleeding, eliminating cold to stop pain, eliminating humidity and killing insects, andachieves the good healthcare effect; due to glycerinum, aloe essential oil and other skincare components, stimulation to skin is reduced, and the effect of protecting the hand skin is achieved; the lubricant adopts a harmless vegetable lubricant or an animal lubricant, and consumption of a chemical agent is reduced; by adding the mint essential oil, the mint essential oil remains on the surface ofthe skin after the hand sanitizer is cleaned away, the human body feels cool and comfortable, and the function of refreshing is achieved; by adding the honeysuckle essential oil, the sterilization and bacteriostatic effects of the hand sanitizer are improved, the sterilization effect of the hand sanitizer is improved, and the hand aseptic environment is kept for a long time.

The invention discloses a processing technology of normal-temperature storage type coarse-cereal-flour-doped braised noodles. The processing technology comprises the following steps: S1, preparing braised noodles: comprising the following steps: S11, kneading coarse-cereal-flour-doped flour to form dough, and putting the dough into a dough sheet processing device for dough sheet processing to prepare noodles; S12, cooking and curing the noodles in the step S11, and covering the surfaces of the cured noodles with water; and S13, dispersing the noodles covered with the water in the step S12 with edible oil to form an oil film on the surfaces of the noodles so as to obtain braised noodles; S2, preparing dishes: cleaning the dishes, performing high-temperature sterilization treatment, and performing stir-frying and seasoning to obtain finished dishes; and S3, mixing the braised noodles in the step S1 with the dishes in the step S2 to obtain a mixture, and performing blending, high-temperature sterilization treatment and vacuum packaging on the mixture to obtain the normal-temperature storage type coarse-cereal-flour-doped braised noodles.

The invention discloses a liquid collecting device for a bronchoscope. The device comprises a sampling tube, a collecting tube and a liquid collecting bottle; the sampling tube comprises an inner tubeand an outer tube; the inner tube sleeves the collecting tube; the collecting tube is communicated with a negative-pressure liquid collecting bottle; the lower pipe orifices of the inner tube and theouter tube are respectively provided with a pipe orifice opening and closing device. According to the invention, the liquid collecting device is matched with the bronchoscope to absorb the secretionat the far end of the airway and a bronchoalveolar lavage fluid, the orifice channels of the inner and outer tubes are closed with double air tightness, and the sterile environment in the whole process of introducing the device into the bronchoscope and performing collection is ensured; the opening of the umbrella-shaped structure can avoid the contact of the inner tube and the collecting tube with the upper airway secretion adhered to the surface of the air bag, thereby ensuring the reliability of the collected liquid sample; the bronchoalveolar lavage is carried out to ensure that the lavagefluid does not contact the upper airway secretion and the sampling is not polluted by the upper airway flora; the sampling amount is observed in the whole process, so that the rapid sampling and recording are convenient; and manual or automatic negative-pressure drainage sampling operation is carried out.

The invention relates to a communication method for pregnant and lying in women; the method can ensure a gnotobasis and outpatient order in a delivery room, can protect lying in women privacy, allowsfamily members to timely learn the maternal labor stages, can time communicate with lying-in women via voices and videos, thus reducing mental tensions of the lying-in women, remitting pains in the labor stage, improving the natural childbirth success rate, and timely satisfying lying-in women body and mental demands; when the lying-in women have body and mental disease conditions, the method canintervene in advance, thus avoiding accidents.

The invention discloses a pig blood deproteinized extract preparation, particularly relates to pig blood deproteinized extract gel, more particularly relates to a medicament for treating skin and eye inflammatory injuries caused by various reasons and a preparation method thereof, and belongs to the technical field of biological pharmacy, wherein the medicament is a novel preparation of a pig blood deproteinized extract. The pig blood deproteinized extract gel is prepared from the following raw material drugs in parts by weight: 20 to 50 parts of pig blood deproteinized extract solution, 2 to6 parts of methylcellulose, 10 to 15 parts of glycerol, and 0.2 to 0.5 part of methyl and ethyl hydroxybenzoate. Compared with similar bovine blood products, the medicament made from pig blood has the product advantages of high safety and high bioactivity. The pig blood deproteinized extract gel makes up potential hazards of bovine blood products, and the safety and curative effect of the pig blood deproteinized extract gel are remarkably higher than those of calf blood deproteinized gel.