62results about How to "Solve cross infection" patented technology

The invention relates to a novel printing method based on a two-dimensional code. The method comprises the following steps: step one, a user uploading a file to a server, and submitting an order; step two, a website server generating an irregular text document for the submitted order and binding basic file information needing to be printed with the text document for storing in the database of the website server; storing a real file needing to be printed in a distributed cloud server; converting the text document into a two-dimensional code image through using the PHP QR Code open source library of a PHP; and the user shooting the two-dimensional code with document information stored therein on a computer screen through a mobile phone camera or receiving the two-dimensional code of the order by use of a micro-message client; step three, perform code scanning and printing; and step four, carrying out payment and picking up the order. Compared to a conventional printing mode, the method has the following advantages: a U disk is unnecessary, i.e., the problem of cross infection of viruses is solved at it source, and at the same time, the burden of a printing store is mitigated.

The invention relates to a novel toothbrush with toothpaste. A toothbrush head and a toothbrush neck are of an integral structure; the toothbrush head is arranged at one end of the toothbrush neck; toothpaste flues which are communicated with each other are formed inside the toothbrush head and the toothbrush neck; brush hair is arranged on the toothbrush head; through holes are formed in the toothbrush head; the through holes are communicated with the toothpaste flues; a toothbrush stem is arranged at the other end of the toothbrush neck; a toothpaste storage cavity is formed inside the toothbrush stem; the toothpaste storage cavity is communicated with the toothpaste flues; toothpaste is stored inside the toothpaste storage cavity; a push block is arranged inside the toothpaste storage cavity; an extrusion part is arranged at the tail part of the toothbrush stem; and the push block is extruded by the extrusion part, and then the toothpaste inside the toothpaste storage cavity can be extruded into the toothpaste flues through the push block, and can flow out through the through holes. As the toothbrush provided by the invention is of a hollow structure, the cavity with the toothpaste is connected with the tail part of the toothbrush, the cavity is communicated with the inner cavity of the toothbrush, and the toothpaste can be extruded out from the inner cavity of the toothbrush and the through holes in the toothbrush head by the extrusion structure, so that tooth brush preparation can be achieved; and the novel toothbrush is convenient to operate and carry over, and is safe and sanitary.

A lateral holding fowl-used quantified sperm conveying device comprises a piston sleeve with a spermaduct on the front end, and the inner hole of the spermaduct communicates with a piston chamber. An axial elongated hole is arranged in the rear cylinder wall of a piston sleeve and equipped with a sleeve opening plugging end cap. A piston core rod is assembled on the piston sleeve, the piston at the front end of the piston core rod cooperates with the piston chamber, and the rear end of the piston core rod extends to the outside of the piston sleeve after passing through the axial elongated hole and is provided with a core rod translation limiting groove and a convex-head-shaped push button cooperating with the axial elongated hole. A suck-in liquid quantifying and adjusting apparatus formed by a baffle plate, a threaded rod connected to the back of the baffle plate and a rotary handle placed on the rear end of the threaded rod is arranged on the rear portion of the piston sleeve. Suck-in liquid quantifying and adjusting reference scale is arranged on the cylinder wall of the piston sleeve, and the front side of the spermaduct is connected with an externally connected spermaduct through an external rubber sleeve. The lateral holding fowl-used quantified sperm conveying device is simple in structure, flexible for use, and excellent in operation performance and facilitates cleaning, disinfection and accurately control of semen deposition quantity.

The invention discloses a full-automatic bionic air-bag midwifery instrument and belongs to the field of medical equipment. The instrument comprises an air bag, an air pump, an air storage tank and an automatic control system, wherein the air bag is connected with an air bag handle, and an air channel is formed in the air bag handle; the air bag handle is connected with an inflation valve and a bleed valve, the other end of the inflation valve is connected with the air storage tank, and the air storage tank is connected with the air pump through a non-return valve; the automatic control system comprises a keyboard control system and an analog-to-digital conversion control system; an output end of the keyboard control system is connected with the analog-to-digital conversion control system and further comprises a foot switch; the analog-to-digital conversion control system comprises a first pressure sensor, a second pressure sensor and an alarm prompting system; the first pressure sensor is connected with the air storage tank, the non-return valve and one end of the inflation valve; the second pressure sensor is connected with the air bag, the other end of the inflation valve and the bleed valve; the alarm prompting system gives alarm prompt tones when the pressure of the air storage tank and the diameter of the air bag meet requirements. According to the instrument, the diameter of the air bag is accurate.

The invention beLongs to the fieLd of Livestock environmentaL engineering, and reLates to a cLosed type underground manure scraping and automatic manure removaL system for an animaL house. The probLemthat the internaL environment of the animaL house needs to be communicated with the exterior of a hog house in the manure scraping process is soLved, the controL energy consumption for the animaL house environment is Lowered, and energy-saving production is achieved; the probLem that stink gas inside the animaL house is spread is soLved, the contamination caused by a Livestock farm to the surrounding air environment is Lowered, and environment-friendLy production can be achieved; the probLem of cross infection of diseases between different Livestock regions is soLved, the production disease controL capabiLity can be improved, and safety production is achieved; fuLL-automatic manure scraping, manure removaL and manure conveying are achieved through an integrated system, the Labor amount ofworkers is Lowered, the Labor environment of workers is ensured, and fuLL-automatic non-poLLution manure removaL of the animaL husbandry is achieved.

Disclosed are an assembled folding feces and urine separation toilet bowl and a use method thereof. The assembled folding feces and urine separation toilet bowl comprises a toilet bowl surface, a feces pool supporting bag, a toilet bowl opening, a rotating shaft, a feces supporting frame, a urine supporting frame, a cushion, four supporting legs, four mounting holes and a urinal supporting bag, the toilet bowl surface is of an axially symmetric structure, and the four mounting holes are used for fixing the supporting legs. A urine bag sleeves a urinal supporting frame, urination can be finished, and the urine bag and a feces bag sleeve a urinal and a feces pool supporting frame respectively, so that defecation can be finished. The urine bag is packed after urination, the packed feces bag, toilet paper and disinfectant tissues are placed into an outer feces bag containing adsorbing agents after defecation, the outer feces bag is sealed, and bagged feces and urine can be stored for a long time and can be used for producing fertilizers, biological products, feed, methane and the like. Water and a special space are omitted, and the toilet bowl is small in size, light in weight, convenient to convey and distribute and simple to use and can be directly used for a family without a toilet, an earthquake stricken area, a flood stricken area and emergency water failure.

The invention discloses an oral treatment protection operator which comprises a protection cover assembly and a suspension bracket, wherein the protection cover assembly comprises a transparent protection cover, a soft sealing sleeve in butt joint with a mouth, and arm casings; a first side tube into which an odontoscope penetrates and a second side tube into which a weak sucking tube penetrates are arranged on the arm casings; the protection cover is additionally provided with a connector for connecting an intensive sucking tube; a spherical hinge with a locking mechanism is additionally arranged at the top of the protection cover; the suspension bracket comprises a vertical deflection adjusting rod, a transverse connecting rod and a connecting lock sleeve; and the suspension bracket alsocomprises a diagonal member or a stay cable. By adopting the oral treatment protection operator disclosed by the invention, aerosols and flying droplets of a patient can be isolated and sucked off inthe oral treatment process, and the problem that cross infection is caused as the aerosols and the flying droplets are diffused to ambient environments in the treatment process can be solved; and inaddition, the structure of the suspension bracket ensures that the position of the protection cover can be conveniently and flexibly adjusted, and the protection cover can be in butt joint with the mouth of the patient rapidly in use.

The invention provides a novel intelligent gating method. The novel intelligent gating method comprises the following steps that infrared transceiver modules are responded, and a lock execution unit and a door spindle rotation control unit execute actions opposite to current states thereof respectively, wherein the step that the lock execution unit and the door spindle rotation control unit execute the actions opposite to the current states thereof respectively comprises the following steps that when a door is needed to be closed after a person enters an indoor area, the inside door infrared transceiver module is responded, and the door spindle rotation control unit controls a door spindle to rotate towards the door closing direction until the lock execution unit locks a lock; meanwhile, the inside door infrared transceiver module is responded, the lock execution unit locks the lock, and a lock counter lock unit performs counter locking. According to the novel intelligent gating method, a user intercepts infrared rays between the first infrared transceiver module or the second infrared transceiver module, therefore, unlocking, rotating and locking and rotating of the door of a bathroom are controlled simultaneously, no hand touching is needed in the door opening and closing processes, and the problem of cross infection can be solved fundamentally; meanwhile, the lock counter lock unit can increase the safety performance of the intelligent bathroom.

The invention discloses an oral treatment protective operation device capable of improving the vision of a doctor. The oral treatment protective operation device includes a protective cover assembly and a suspension bracket which is connected to the protective cover assembly, wherein the protective cover assembly includes a transparent protective cover, the protective cover is provided with a softsealing which decks with the mouth and a joint which is connected with a strong suction tube, operation windows are formed in the left side and right side of the protective cover, and an arc-shaped slide plate is arranged at the mouth of each operation window; a circular operation hole is formed in each arc-shaped slide plate, the operation holes are connected with a soft arm sleeve, and a depression part is formed in the side, towards the doctor, of the protective cover; and a magnifying glass with an adjustable angle is arranged in the depression part, the suspension bracket includes a vertical deflection adjustment rod, a horizontal connection rod and a connection lock sleeve, and further includes a stay cable or a diagonal member. Aerosol and droplets which are generated by a patientduring oral treatment can be isolated and absorbed so that the problem of cross infection which is caused by diffusion of the aerosol and droplets in the surrounding environment is solved, and the vision of the doctor can be improved through the magnifying glass with an adjustable angle.

The invention discloses a needle-free atomizing cosmetic instrument and an operation method thereof, wherein the needle-free atomizing cosmetic instrument includes a base, a sound insulation device, agas pump, a gas cylinder, a controller and a hand tool; the sound insulation device is arranged on the base; the gas pump is arranged in the sound insulation device, a gas outlet of the gas pump is connected with a gas inlet of the gas cylinder, a gas outlet of the gas cylinder is connected with a gas inlet of the hand tool, and a gas injection port is provided with a switch; a gas pressure detection device is arranged on a gas path of the gas cylinder, the signal output terminal of the gas pressure detection device is connected with the signal receiving terminal of the controller, and the signal output terminal of the controller is connected with the signal receiving terminal of the gas pump. The cosmetic instrument does not need needle pricking, does not need to prick skin and cannot cause minor trauma, and also effectively avoids the possible cross-infection problem. In addition, the cosmetic instrument has relatively suitable injection pressure, makes the air flow speed faster anda nutrient solution atomized more completely.

The invention discloses a sanitary dental bur and a manufacturing method of the sanitary dental bur. The sanitary dental bur is made of a tungsten steel material, and the tungsten steel material is prepared from, by weight percentage, 8-12% of cobalt, 0.2-0.4% of cromium carbide, 0.3-0.5% of vanadium carbide and / or tantalum carbide and the balance tungsten carbide. The sanitary dental bur has thehigh rockwell hardness and bending strength, the surface hardness of the bur is high, the concentricity is extremely high, no oscillating exists, the rotation is stable, the cutting speed is high, thegenerated heat is small, the damage to the dental pulp and tooth tissue is lowered, the labor intensity of dentists is lowered, and the comfort and satisfaction of patients are improved effectively.The sanitary dental bur cuts a tooth body, and after the preparation of a hole shape, the surface of the tooth body is smooth without scratches. In addition, the sanitary dental bur is low in production cost and suitable for effectively promoting the popularization of the idea of one person and one special bur in outpatient clinics of the dentists, and the cross-infection problem is effectively solved.

The invention discloses an air circulation treatment system and method for industrial aquaculture. The air circulation treatment system comprises a breeding room, an air purification system and a filtering device, wherein ventilation walls are arranged on the left side and the right side of the breeding room, FFU fan filter units and air guide mechanisms are arranged in the ventilation walls, the FFU fan filter units are connected to an air inlet pipe through flow dividing pipes, the air inlet pipe is connected to an air purification system through a return pipe, an exhaust pipe with a first fan is arranged at the top of the breeding room and connected to the filtering device through a waste gas exhaust pipe, and the waste gas exhaust pipe is connected to the air purification system through a circulating pipe. The air circulation treatment system and method not only can change the proportion of fresh air, air supply and air exhaust to meet the airflow quality requirements under different working conditions so as to simulate corresponding ecological environments, but also can purify and sterilize part of waste gas, effectively solve the problem of cross infection of continuous breeding, realize gas recycling, and the other part of waste gas is directly discharged into the external environment after being filtered by the filtering device, so that the pollution to the environment is reduced.

The invention provides a toilet door control system based on Zigbee and fingerprint recognition. The toilet door control system comprises a controller (1), a lock execution unit (2), a door shaft rotation control unit (3), a ZigBee communication module (4), a mobile input device (5) and a memory (6), wherein the mobile input device (5) comprises a fingerprint acquisition device (51). The invention also discloses a toilet door control method based on ZigBee and fingerprint recognition. The method comprises the following steps: acquiring and storing fingerprint information of a user; responding to the input of fingerprint information of the user, performing comparison on the fingerprint information inputted by the user and the stored user fingerprint information, and if the comparison succeeds, executing an action opposite to the current state of the lock execution unit and the door shaft rotation control unit. Since each user is equipped with respective mobile input device, a toilet door can be wirelessly controlled by virtue of the mobile input device without using a hand, and the problem of cross infection can be fundamentally solved.

The invention provides an intelligent toilet based on infrared receiving-transmitting modules. The intelligent toilet comprises a controller (1), a lock execution unit (2), a door shaft rotation control unit (3), the first infrared receiving-transmitting module (4) and the second infrared receiving-transmitting module (5), and further comprises a lock counter locking unit (6). The door shaft rotation control unit (3) comprises a door shaft, a connecting rod connected with the door shaft and a motor connected with the connecting rod, and the motor is electrically connected with the controller (1). According to the intelligent toilet, as a user intercepts infrared rays between the first infrared receiving-transmitting module and the second infrared receiving-transmitting module through a palm or a shielding piece, unlocking and rotating or locking and rotating of a door of the toilet are controlled at the same time, hand touch is avoided in the door opening-closing process, and the cross infection problem can be fundamentally solved; meanwhile, the safety performance of the intelligent toilet can be improved through the lock counter locking unit.

The invention discloses an oral cavity treatment protection operation cabin device which comprises a protection cover assembly and a suspension bracket, wherein the suspension bracket is connected with the protection cover assembly; the protection cover assembly comprises a transparent protection cover; a soft sealing sleeve which is in butt joint with an opening part and a connector for connecting a strong sucking tube are arranged on the protection cover; operation windows are arranged on the left side and the right side of the protection cover; arc-shaped guide grooves are formed in the opening parts of the operation windows; arc-shaped sliding plates are arranged in the guide grooves; circular operation holes are formed in the arc-shaped sliding plates; the operation holes are connected with soft arm sleeves; and the suspension bracket comprises a vertical deviation adjusting rod, a transverse connecting rod, a connecting locking sleeve as well as a stay cable or diagonal draw bar.By adopting the oral cavity treatment protection operation cabin device disclosed by the invention, aerosol and flying saliva generated by a patient can be isolated and sucked off in the oral cavitytreatment process, and the problems that the aerosol and flying saliva are diffused to ambient environments and cross infection is caused can be solved; and in addition, due to the moveable operationholes, the movement range of operation hands can be increased, and flexibility in treatment operation can be achieved.

The invention provides an AGV calf feeding robot based on a 5G network environment and applied to single-pen houses. The robot comprises a feeding track arranged along the whole row of calf single-penhouses, a conveying track connected with a processing center and the feeding track, an AGV moving along the conveying track and the feeding track, a milk supply device, a drinking water supply deviceand a calf starter supply device arranged on the AGV, and a central control device arranged at the processing center, wherein signal transmission between the central control device and the AGV, the milk supply device, the drinking water supply device and the calf starter supply device is realized based on a 5G network. According to the robot, most important 42-day growth whole-process all-weatherpersonalized feeding and drinking of each lactating calf fed in a single pen is realized, and individual organs, particularly mammary gland cell development software and hardware guarantees are provided for the genetic inheritance advantage of ultra-high milk yield per unit of 15 tons or above.

The invention discloses cytokine sterile freeze-drying preservation equipment in the technical field of cytokine sterile freeze-drying preservation. The cytokine sterile freeze-drying preservation equipment comprises a motor, a refrigerator and a transparent cylindrical shell, the refrigerator is fixedly arranged on the inner wall of the bottom end of the shell, the side wall of the shell is provided with an inlet and outlet pipe orifice, and the edge of the inlet and outlet pipe orifice is hinged with two symmetrical rotating plates; and a storage mechanism, a rail mechanism and a lifting mechanism are included, the storage mechanism is rotatably arranged in the center of the shell, the rail mechanism is rotatably connected to the upper end of the storage mechanism, and the lifting mechanism is fixedly arranged on the lower end face of the rail mechanism. The problem that multiple cytokines are placed in a mixed manner, the interior of an incubator is directly operated with the hand,and the pollution among various cytokines is possibly caused while the cryopreservation effect of other freeze-drying bottles is easily influenced is solved.

The invention discloses a medical protective device for artificial milk ejection. The medical protective device comprises a transparent protective cover casing, wherein an arc-shaped opening matched with the neck is formed in the upper part of the protective cover casing, sliding doors are arranged on two sides of the protective cover casing respectively, and a detachable membrane coating assemblyis arranged in the protective cover casing; bearing slide rails are arranged at lower parts of the inner side walls of a left baffle and a right baffle of the protective cover casing, and pull-out tracks matched with the bearing slide rails are arranged on sliding devices; and oval open holes used for exposing breasts are formed in a coated membrane, and rubber bands are arranged on edges of theoval open holes. According to the medical protective device for artificial milk ejection, the protective cover casing and the membrane coating assembly are combined, so that the problem of high probability of cross infection of medical workers and clothes pollution due to milk splashing in the milk ejection process is solved, and meanwhile, the embarrassed situation that maternal milk splashes andpollutes clothes is eliminated.

The invention discloses an exhaust device of a fermentation tank, comprising a receiving barrel, wherein one end of the receiving barrel is communicated with a main exhaust pipe; a pipeline of the main exhaust pipe is partially positioned in the receiving barrel; the gas inlet end of the main exhaust pipe is provided with a gas inlet switch valve; the other end of the receiving barrel is communicated with an exhaust elbow; the exhaust end of the exhaust elbow is provided with an exhaust switch valve; one end part of the receiving barrel, which is connected with the main exhaust pipe, is provided with a water discharge pipe; and the water discharge end of the water discharge pipe is provided with a water discharge switch valve. Fermentation liquor and water, carried by a gas exhausted in a biological fermentation process are respectively splashed into the receiving barrel through the main exhaust pipe and discharged from the exhaust elbow and the water discharge pipe so as to be prevented from splashing into the fermentation tank and the periphery thereof, therefore the requirements for cleanness and environmental protection are met.

The invention provides an intelligent toilet access control system based on wireless fingerprinting. The system comprises a controller (1), a lock actuator (2), a door pivot rotation control unit (3), a wireless communication module (4), a mobile input device (5) and a storage (6). The mobile input device (5) comprises a fingerprinting device (51). The invention further discloses an intelligent toilet access control method based on wireless fingerprinting. The method includes the steps of acquiring and storing a user's fingerprint information; in response to input of the user's fingerprint information, comparing the input user's fingerprint information with stored user's fingerprint information; if matching is successful, executing an action opposite to the current status of the lock actuator and that of the door pivot rotation control unit. Each user is provided with his or her own mobile input device which can control a toilet door wirelessly at the same time, hand touching is not required, and the problem of cross infection is basically solved.

The invention discloses an air conditioning device and an indoor air conditioning method. The air conditioning device comprises a machine shell, an indoor side heat exchanger (3), an outdoor side heatexchanger (5), an indoor side fan (4) and an outdoor side fan (6), wherein an outdoor air inlet (10), an outdoor air outlet (11), an indoor air inlet (12) and an indoor air supply outlet (13) are formed in the machine shell; the air conditioning device is provided with an air supply channel, air flow entering the air supply channel passes through the indoor side heat exchanger and is sent to theindoor air supply outlet (13) by the indoor side fan, and the outdoor air inlet (10) is arranged to be capable of communicating with the air supply channel; and the air conditioning device is providedwith an air exhaust channel, air flow entering the air exhaust channel passes through the outdoor side heat exchanger and is exhausted to the outdoor air outlet (11) by the outdoor side fan, and theindoor air inlet (12) is arranged to be capable of communicating with the air exhaust channel. According to the technical scheme, the problem that indoor air is closed and recycled in a traditional air conditioner, so that cross infection of germs is easy to occur is solved.

The invention discloses a disposable closed phlegm suction and collection device. The device comprises a closed phlegm suction pipe body, wherein the phlegm suction pipe body comprises a Y-shaped connector and a phlegm suction pipe which are sequentially connected; a phlegm suction pipe sealing film is fixedly arranged at the outer part of the phlegm suction pipe, and a negative pressure control valve is arranged at the bottom of the phlegm suction pipe; a pipe orifice A and a port cap of the pipe orifice A are arranged at the bottom of the negative pressure control valve; the Y-shaped connector comprises a tracheal socket at the top end, a respirator connecting orifice and a drug injection opening at the lateral end; a sealing push plate is arranged between the phlegm suction pipe and theY-shaped connector and is used for controlling the phlegm suction pipe to be unblocked and closed; a transfusion medicinal bag is connected on the side wall of the pipe body between the phlegm suction pipe and the sealing push plate through a connecting pipe; a tee joint is fixedly arranged on the connecting pipe; a phlegm deposit bottle is movably connected with the pipe orifice A; a first pipebody and a second pipe body are fixedly arranged at the top of the phlegm deposit bottle, and outlets of the first pipe body and second pipe body are respectively a pipe orifice B and a pipe orifice C. The disposable closed phlegm suction and collection device can effectively solve the problem of closed phlegm collection, avoids alveoli collapse and hyoxemia of a patient and solves the problem ofcross infection of medical staff.

The invention relates to a synchronous zero-contact roll paper box capable of preventing cross infection, belonging to the technical field of articles for daily use. The roll paper box comprises a roll paper box body, wherein the roll paper box consists of a main shell and an auxiliary shell; and a roll paper pushing device, a shearing device, a lower cutter, a first driving wheel, a second driving wheel, a third driving wheel, a transmission rod, a connecting shaft, an abutting rolling rod supporting device, a roll paper supporting rod, a first driving rolling rod, a second driving rolling rod, a first abutting rolling rod, a third driving rolling rod and a second abutting rolling rod are installed in the main shell. Through the ingenious design of the structure, the problems that tearingof roll paper by two hands is insanitary and likely causes cross infection are solved; the problem that cross infection is caused since bacteria, viruses and the like on the hand of a user remain ona switch or a handle in the process that an electric roll paper box and a handle driving type roll paper box touch the switch or rotate the handle in the prior art is solved.

The invention discloses a multifunctional rubber hammer for the neurology department, and relates to the technical field of medical equipment. The multifunctional rubber hammer comprises a hollow hammer handle with two open ends and a hammer head installed at one end of the hammer handle, the hammer head comprises a hollow metal shell, rubber blocks are arranged at the two ends of the metal shell, and the rubber blocks are arranged in a quadrangular frustum pyramid shape. According to the percussion hammer, the disinfection devices a are installed on the two sides of the hammer head, the disinfection devices a are used for disinfecting the rubber blocks before and after use, the situation that the rubber blocks carry viruses to infect the next patient after making contact with the skin of the patient is avoided, and the problem that cross infection of the patient is likely to be caused by a repeatedly-used percussion hammer is solved; the disinfection device b is installed on the metal shell, the pain sense needle is disinfected through the disinfection cotton b in the process of being pushed out of the hammer head, after the pain sense needle is used, the disinfection cotton b is used again for disinfection, and the problem that the pain sense needle which is repeatedly used is prone to causing cross infection of a patient is solved.

The invention discloses a medical pressure sore measuring scale and an electronic thermometer. The medical pressure sore measuring scale comprises a device casing, wherein one side of the casing is fixedly connected with a frame, disinfection boxes are fixedly connected with the top and the bottom of the inner wall of the frame, a disinfection pipe is arranged on one side of each disinfection box,one end of each disinfection pipe penetrates through the frame and extends to one side of the frame, a connecting plate is fixedly connected with the bottom of each disinfection box, buffer devices are fixedly connected with the top and the bottom of one side of the frame, and a fixing plate is fixedly connected between two sides of the inner wall of the casing. The top of a fixing plate is fixedly connected with electric telescopic rods, the top ends of the electric telescopic rods are fixedly connected with a rotating seat, the top of the rotating seat is fixedly connected with a photographing device with a photographing function, time watermarks are generated automatically, image data can be retained conveniently, the problem that the pressure sore degree cannot be reflected really dueto different photographing tools is solved, and the medical pressure sore measuring scale has certain use prospects.

The invention relates to the field of chemical engineering, in particular to an oil field crude oil sampler for constant-pressure sampling. In order to solve the technical problems that when crude oil is sampled in a crude oil conveying pipeline, the two requirements that the crude oil pressure is stable during sampling and the sampling steps are simple and convenient are difficult to meet at the same time. The oil field crude oil sampler adopting constant pressure comprises a collecting unit, a constant pressure unit and the like, and the inner side of the acquisition unit is connected with a constant pressure unit for stabilizing fluid pressure. The oil pipeline is designed to be n-shaped, the number of required operation valves is small, a bypass pipeline is short, staggered and complex pipelines are avoided, installation is easy and convenient, residues accumulated in the bypass are washed and cleaned away through pressure difference generated during sampling work, meanwhile, an air cushion in the bypass is rapidly expanded, and the sampling efficiency is improved. Dynamic compensation is carried out for fluctuation of fluid pressure, and it is guaranteed that the crude oil pressure is kept relatively stable in the sampling process.

The invention relates to the technical field of medical devices, in particular to a medical care trolley. The medical care trolley is characterized by comprising a trolley body, wherein a first movable plate is slidably connected to the trolley body, and a second movable plate is rotatably connected to the trolley body; a first control mechanism cooperating with the first movable plate and the second movable plate is arranged in the trolley body; a first side plate is rotatably connected to the trolley body, a second side plate and a third side plate are slidably connected to the trolley body,and a second control mechanism cooperating with the first side plate, the second side plate and the third side plate is arranged in the trolley body; a first adjusting plate, a second adjusting plate, a third adjusting plate and a fourth adjusting plate are movably connected to the trolley body; and a first rotating plate is rotationally connected to the trolley body, and a supporting mechanism cooperating with the trolley body is arranged below the trolley body. The problems that an existing protection trolley is weak in protection functions, disinfection articles are stacked in a transfer trolley and need to be found one by one in the distribution process, and bottles and cans are stored, are effectively solved, and the working difficulty of workers is greatly reduced.

The invention relates to the technical field of medical devices, in particular to a cart for medical care. The utility model is characterized in that: it comprises a vehicle body, a first movable plate is slidably connected to the vehicle body, and a second movable plate is rotatably connected to the vehicle body; mechanism; a first side plate is rotatably connected to the vehicle body, a second side plate and a third side plate are slidably connected to the vehicle body, and a second side plate and a third side plate are arranged in the vehicle body to cooperate with the first side plate, the second side plate and the third side plate The vehicle body is movably connected with a first adjustment plate, a second adjustment plate, a third adjustment plate and a fourth adjustment plate; the vehicle body is rotatably connected with a first rotating plate, and a vehicle body is arranged below the vehicle body The matching support mechanism effectively solves the problem of the weak protection function of the existing protective vehicle, the need to search for the disinfection items in the transfer vehicle, and the storage of bottles and utensils during the distribution process, which greatly reduces the work difficulty of the staff.

The invention relates to the field of medical instruments, in particular to a medical disposable protection sleeve and a production method thereof. The medical disposable protection sleeve is characterized by comprising a sleeve bag with one end being provided with an opening and a shell assembly for storing the sleeve bag; the shell assembly is formed by two base plates which are laminated together, an accommodating cavity for accommodating the sleeve bag is arranged between inner side walls, close to each other, of the two base plates, each base plate is respectively provided with a window having the same shape on corresponding positions, and all windows are communicated to form a channel for an instrument probe to pass through; and the sleeve bag is arranged in the accommodating cavityafter being folded and compressed from a bag opening to the bag tail in a direction perpendicular to the bag opening. The invention aims at providing the medical disposable protection sleeve and the production method thereof, which solve the problem of the cross infection caused by the repeated use of instruments which are not disinfected; and moreover, the medical disposable protection sleeve isconvenient to assemble and disassemble, low in cost, simple in production process and favorable for large-scale popularization and application.

The invention relates to a synchronous zero-contact roll paper box for preventing cross-infection, which belongs to the technical field of daily necessities; Roll paper pushing device, shearing device, lower cutter, first driving wheel, second driving wheel, third driving wheel, transmission rod, connecting shaft, top-tightening roller support device, roll paper support rod, third driving wheel are installed in the shell. One driving roller bar, the second driving roller bar, the first tight roller bar, the third driving roller bar, and the second tight roller bar. Through the ingenious design of the structure, the present invention solves the problem of unhygienic and easy to cause cross-infection caused by tearing the roll paper with both hands, and also solves the problem of electric roll paper box and handle-driven roll paper box in the prior art. During the process of switching or turning the handle, bacteria and viruses on the user's hands will remain on the switch or the handle, which will also cause cross-infection problems.