191 results about "Cotton balls" patented technology

The invention relates to the technical field of intelligent forming, in particular to an intelligent adjusting type medical cotton ball forming method and system.The intelligent adjusting type medical cotton ball forming method comprises the following steps that pressure data are collected through a distributed pressure sensor array, pressure feature vectors are generated through Gaussian filtering denoising, a pressure change trend is analyzed based on the feature vectors, and a gradient adjusting instruction is output; and controlling the valve to adjust air pressure to obtain compensation parameters, driving the servo motor to adjust a mold gap, collecting offset data to generate a feedback signal, and inputting a neural network to evaluate a forming result in combination with feedback and adjustment instructions. According to the method, a distributed sensor array collects data, multi-dimensional denoising improves feature extraction, a dynamic function analyzes a pressure trend, an offset adjustment parameter is identified, closed-loop compensation is realized through cooperative control, a displacement sensor feeds back gap change, parameter modeling optimizes precision consistency, a convolutional network extracts time sequence features, and a self-adaptive system is constructed through fusion analysis. And intelligent prediction and optimization of the forming quality are realized.

This invention relates to the field of intelligent molding technology, specifically to an intelligent adjustable medical cotton ball molding method and system, comprising the following steps: collecting pressure data through a distributed pressure sensor array and generating a pressure feature vector through Gaussian filtering for noise reduction; analyzing the pressure change trend based on the feature vector and outputting a gradient adjustment command; controlling a valve to adjust the air pressure to obtain compensation parameters; driving a servo motor to adjust the mold gap and collecting offset data to generate a feedback signal; and combining the feedback and adjustment command inputs to a neural network to evaluate the molding result. In this invention, data is collected through a distributed sensor array, multi-dimensional noise reduction enhances feature extraction, dynamic functions analyze pressure trends, offset adjustment parameters are identified, collaborative control achieves closed-loop compensation, displacement sensors provide feedback on gap changes, parameter modeling optimizes accuracy and consistency, convolutional networks extract temporal features, and fusion analysis constructs an adaptive system to achieve intelligent prediction and optimization of molding quality.

The utility model relates to the technical field of powder puffs, and discloses a flocked cotton ball rotary powdering device which comprises a body, the body is composed of a device upper cover, a powder puff limiting sleeve, a flocked powder puff, a powder puff locking ring and a device bottom cover, and the device bottom cover and the powder puff locking ring are provided with control assemblies used for controlling the flocked powder puff to rotate. The control assembly comprises a screw cap, a telescopic rod, a first spring, a disc and a rotating part, a through hole is formed in the inner side of the powder puff locking ring, the rotating part comprises a roller, and the roller penetrates through the through hole in the inner side of the powder puff locking ring and is rotationally installed on the inner wall of a cavity of the powder puff locking ring. The bottom cover of the rotating device abuts against the powder puff locking ring to push the flocked powder puff upwards, through the spherical flocked powder puff, the powder liquid adsorption effect of the whole spherical surface can be improved, the powder liquid can be perfectly attached to the skin surface, the effect that makeup is fit is achieved, and makeup is more flexible through the extrusion-free design mode.

The utility model discloses an automatic cotton yarn ball weighing device, which relates to the technical field of automatic cotton yarn ball weighing and comprises a controller arranged above a base station, a baffle plate fixed on the side surface of the bottom end of the base station through a fixing bolt, and a support column and an auxiliary rod which are fixed on the base station, a fixing plate is fixed on the side surface of the baffle plate, and a driving motor is fixed on the fixing plate. An output shaft of the driving motor penetrates through the baffle and drives the conveying belt to rotate through the driving roller; a weighing device is arranged at the bottom end of the middle part of the upper layer of the conveying belt. The weighing device is reasonable in design structure, can share pressure of the conveying belt through the auxiliary rollers, reduces abrasion of the conveying belt in the operation process, prolongs the service life, reduces equipment maintenance cost, absorbs vibration and impact force in the operation process of the conveying belt through the buffer mechanism, avoids displacement of the weighing device or looseness of internal parts due to vibration, and improves production efficiency. Accurate measurement of the pressure sensor is ensured, and reliable guarantee is provided for accurate weighing.

The utility model discloses an ignition gun for cupping jars, which relates to the technical field of medical instruments and comprises a shell, a handle is connected to one side of the shell, a control part is connected to one side of the handle, a spring is connected between the control part and the handle, and a microswitch is mounted in the handle. The alcohol bottle, the sealing gasket, the ventilation opening, the handle, the control piece, the microswitch and the spring are arranged; the cupping jar is firstly placed on the top of the sealing gasket, then the control piece is pressed down to compress the spring and trigger the microswitch, the control piece is far away from the ventilation opening after being pressed down, so that outside air can enter the cupping jar through the ventilation opening, the igniter ignites alcohol absorbed by the smokeless lamp wick, flames are combusted in the cupping jar, and the control piece is loosened after ignition is completed. At the moment, the spring drives the control piece to reset to shield the ventilation opening to prevent external air from entering, and then flames in the cupping jar are extinguished due to no air; cotton balls are not needed, waste is reduced, fire extinguishing is facilitated, and potential safety hazards are reduced.

The utility model relates to the technical field of medical instruments, in particular to an elastic pull-fit patch for skin wounds, which comprises two elastic patches, a centering structure is arranged between the two elastic patches, and the centering structure comprises a fixing groove frame and two pull-fit belts. The two pulling belts are fixedly connected with the two elastic stickers respectively; by means of the centering structure, when the device is fixed to the wound of a patient, a cotton ball covers the middle of the wound, then a rotating button is rotated, a rotating rod drives a small gear to rotate, due to the fact that the outer surface of the small gear is meshed with gear racks on the two sides, pulling-closing belts on the two sides can slide in a fixing groove frame, and therefore elastic stickers on the two sides are driven to symmetrically cover the two sides of the wound; when the elastic pastes on the two sides reach proper positions, the elastic pastes stop rotating, the covering films on the two sides are torn down, the elastic pastes on the two sides are pasted on the skin of a patient, and therefore the purpose that the pulling pastes can be symmetrically pasted on the two sides of a wound and skin flaps on the two sides can be aligned when the pulling pastes are tensioned is achieved.

This invention relates to the field of mineral wool production technology, specifically disclosing a mineral wool material and its preparation method. The mineral wool material comprises the following raw material components in parts by weight: 60-65 parts of blast furnace liquid slag, and 15-25 parts of conditioning material; the conditioning material comprises 42%-48% quartz sand, 22%-28% coal gangue, 11%-18% modified basalt, and 10%-14% modified lithium feldspar powder; wherein the modified basalt is sodium silicate modified basalt; and the modified lithium feldspar powder is citric acid modified calcined lithium feldspar powder. This invention optimizes the composition of the mineral wool material and the combination of the conditioning material components, reduces the generation of loose cotton and cotton balls, and improves the cotton sizing ratio and the overall performance of the finished wool.

The device comprises a transparent box body, a transparent box bottom and a cotton ball, an installation pipe is arranged at the top of the transparent box body, a plastic bag is placed in the transparent box body through the installation pipe, a bag opening of the plastic bag is arranged at a pipe opening of the installation pipe in a sleeved mode, and the cotton ball is arranged at the bottom of the installation pipe. The cotton ball is dipped with honey water and hung in the plastic bag, the cotton ball is connected to one end of the connecting rope, the other end of the connecting rope extends out of the mounting pipe and is fixed in the mounting pipe through the rubber plug, the connecting pipe penetrates through the rubber plug, the bottom end of the connecting pipe penetrates through the bottom of the rubber plug to be communicated with the transparent box body, and a through hole is formed in the rubber plug. The device has good sealing performance and can maintain high environmental humidity, mating and oviposition behaviors of adults can be conveniently observed through the transparent oviposition chamber, cotton balls dipped with honey water can be conveniently replaced to supplement nutrition for the adults, the oviposition duration of the female ostrinia furnacalis is generally prolonged, and the reproductive power of the female ostrinia furnacalis is improved.

The utility model discloses an artery puncture pressing auxiliary device which can reduce the labor intensity of medical staff, can apply specific pressure to a puncture point and can improve the pressing efficiency. The artery puncture pressing auxiliary device comprises a shell, a pressing cotton ball, a push rod and a first flexible splicing belt. An opening is formed in one end of the shell in the axial direction of the shell. Along the axial direction of the shell, the pressing cotton ball is movably arranged in the shell and can extend out of the opening. One end of the push rod is connected with the pressing cotton ball, the other end penetrates through the other side of the shell in the axial direction, and the push rod is used for adjusting the position of the pressing cotton ball relative to the opening. The first flexible adhesive tape shell is connected with the flexible adhesive tape, the first flexible adhesive tape is provided with a first through hole corresponding to the opening in the thickness direction of the first flexible adhesive tape, and the pressing cotton ball penetrates out of the first through hole.

The invention discloses automatic cotton ball delivery equipment which is characterized by comprising a supporting device, a conveying device, a delivery device, a disinfectant supply device and a control module. The supporting device realizes detachable connection and angle adaptation between the equipment and an operating table through a clamping seat and a multi-dimensional adjusting structure; the conveying device achieves automatic conveying of cotton balls through a conveying belt and a partition plate. The delivery device realizes automatic material supplement triggered by a material taking action of a doctor through a rotating seat, an inductive switch and a pressing rod; the disinfectant supply device is controlled by an infusion pump to realize quick switching of dry and wet cotton balls; the control module controls the devices to work cooperatively. The equipment can realize automatic delivery and supplement of cotton balls, a doctor does not need to turn around or depend on an assistant, the surgical risk is reduced, the efficiency is improved, the equipment is adaptive to various surgical scenes, and sterile operation is guaranteed.

The utility model discloses a parasitic wasp breeding device capable of continuously feeding a nutrient solution in the technical field of parasitic wasp breeding, the parasitic wasp breeding device comprises a breeding box and a feeding assembly, and the breeding box comprises a box body and a box cover; the feeding assembly comprises a containing box, the containing box is arranged in the box body, a vertical liquid pipe is arranged on the containing box, a plurality of feeding holes are formed in the liquid pipe, the feeding holes are communicated with the interior of the liquid pipe, and the top end of the liquid pipe penetrates through the box cover to be located outside the feeding box; a cotton ball is placed in the liquid pipe, the cotton ball and the feeding hole are located at the same height, the bottom of the cotton ball is connected with a cotton rope, and the cotton rope extends downwards into the containing box. According to the scheme, the nutrient solution can be continuously supplied to feed parasitic wasps.

The invention is suitable for the technical field of hemostatic bandage processing, and provides hemostatic bandage processing equipment which comprises a conveying hot-pressing assembly used for hot-pressing cotton balls on hemostatic bandages. The conveying hot-pressing assembly comprises a power mounting frame and a conveying hot-pressing belt assembly, and the power mounting frame is used for providing power for a conveying hot-pressing belt contained in the conveying hot-pressing belt assembly and promoting the conveying hot-pressing belt to move in a closed-loop circulation mode; a plurality of hot-pressing holes are formed in the conveying hot-pressing belt, and hot-pressing pieces are mounted in the hot-pressing holes; non-stop and continuous processing are realized; enough pressure-maintaining residence time required by hot-pressing bonding is ensured, so that the bonding fastness is ensured, the situation that other procedures of the whole processing flow need to wait synchronously is avoided, and continuous high-speed production is realized; the processing method of the hemostatic bandage processing equipment comprises the steps of synchronous material conveying, dynamic pneumatic positioning and resetting, mechanical triggering type continuous hot pressing and continuous circulating production.

The utility model relates to the technical field of hemodialysis, in particular to a nursing bag which comprises a bag shell, a shell cover is hinged to the upper end of the bag shell, an operation groove, a cotton ball cavity and a tool cavity are formed in one side of the bag shell, a reagent cavity and a containing cavity are formed in the other side of the bag shell, and sealing covers are hinged to openings of the cotton ball cavity, the tool cavity and the reagent cavity. A cotton ball is placed in the cotton ball cavity, a limiting plate is placed in the reagent cavity, a plurality of hole bodies are formed in the limiting plate, a mounting seat is mounted in the storage cavity through bolts, a clamping groove is formed in the surface of the mounting seat, and a cotton swab is clamped in the clamping groove. The nursing bag can store some medical supplies required by the dialysis patient, is convenient to use during dialysis of the dialysis patient, and is worthy of popularization.

The invention relates to the technical field of forming devices, and discloses a medical cotton ball one-time forming device which comprises a device shell and symmetrically arranged guard plates, a conveying mechanism is arranged between the guard plates, a guide frame is fixedly installed on one side of the upper end of each guard plate, a guide mechanism is assembled on the guide frame, a forming mechanism is arranged at the upper end of the guard plate on one side of the guide frame, and a cutting mechanism is installed in the guide frame. The intelligent control system comprises a raw material conveying self-adaptive adjusting module, a forming parameter dynamic matching module and a cutting opportunity cooperative control module; the raw material conveying self-adaptive adjusting module adjusts running parameters of the conveying mechanism in real time, the forming parameter dynamic matching module pre-stores multi-specification forming parameters and automatically matches and corrects the multi-specification forming parameters, and the cutting opportunity cooperative control module accurately controls the cutting action, so that cooperative linkage of all the mechanisms is achieved. The problems that a traditional device is high in manpower dependence, tedious in specification switching and unstable in product quality are solved, and automatic continuous production, multi-specification rapid adaptation and high-quality output of medical cotton balls are achieved.

The application provides an autoclaved aerated concrete board with a fireproof structure, and relates to the technical field of building materials.The autoclaved aerated concrete board comprises a main plate, auxiliary sub-plates fixedly installed on the front end face and the rear end face of the main plate through an adhesive agent, a row of sound-absorbing reflection cavities are evenly arranged in the auxiliary sub-plates, sound waves enter the cavities and are reflected on the cylindrical arc surfaces multiple times, the sound wave energy is attenuated along with the extension of the propagation path due to the divergence and focusing effect of the arc surfaces, the cotton balls made of porous fiber materials cause the sound waves to rub and stick in the fiber pores, the sound energy is converted into heat energy, the sound waves are reflected and attenuated on the cylindrical arc surfaces, the sound waves are absorbed by the cotton balls through the friction of the pores, and the remaining sound waves continue to be reflected and dissipated along the propagation path, so that efficient sound absorption and noise reduction are achieved, and the problem that the autoclaved aerated concrete board cannot form a continuous fireproof barrier at the building joint splicing position and the sound absorption performance cannot meet the noise reduction demand in a high-noise environment is solved.

The invention relates to the technical field of launchers, in particular to a handheld bird repelling bomb launcher which comprises a launch cavity body and a launch tube arranged at the front end of the launch cavity body. The transmitting tube is connected with the bearing guide tube body, and silencing groove bodies are arranged on the side wall of the bearing guide tube body at equal intervals; the outer side wall of the bearing guide pipe body is further sleeved with a loading pipe fitting. An auxiliary mechanism for absorbing and purifying noise and smoke is mainly formed by a bearing guide pipe body, a sound absorption pipe body and a loading pipe fitting. The sound absorption pipe body and the loading pipe fitting are supported by the bearing guide pipe body; in other words, generated noise and smoke are absorbed and purified through cooperative use of the sound absorption pipe body and the auxiliary assembly; on the basis, the sound absorption pipe body absorbs generated noise for the first time, and smoke and leaked noise penetrate through the smoke circulation holes in the sound absorption pipe body and then pass through the smoke absorption purification cotton balls arranged on the inner side of the loading strip to absorb the noise for the second time and purify the smoke.

The utility model provides a saliva absorber during tooth extraction, which relates to the technical field of dental appliances and comprises a microporous support, an outer absorbent cotton layer and a U-shaped clamping piece, the outer absorbent cotton layer is fixed on the outer side of the microporous support in a surrounding manner, the U-shaped clamping piece is arranged above the microporous support, communicating holes are formed in the lower portion of the microporous support in an annular array manner, and the communicating holes are communicated with the outer absorbent cotton layer. The top of the micropore support is fixedly connected with an upper connecting sliding frame, the tail portion of the micropore support is communicated and fixed with a drainage tube frame, the outer portion of the outer absorbent cotton layer is covered with an outer yarn cotton layer in a surrounding mode, and the outer yarn cotton layer is of a net-shaped structure. The microporous stent is in indirect contact with the oral cavity and saliva through cooperation of the outer absorbent cotton layer made of cotton balls, the situation that when an existing guide plastic pipe is in direct contact with the oral cavity, the inner membrane of the oral cavity is damaged is avoided, air suction noise can be eliminated through cooperation of the microporous stent and the outer absorbent cotton layer, and the problems that the plastic pipe only absorbs the saliva locally, the range is small, and the oral cavity is damaged are solved. Meanwhile, the problem that the inner membrane of the oral cavity is damaged due to overlarge force of the flow guide plastic pipe is solved.

A backpack-type, vacuum-assisted cotton harvester (15) comprising: a battery power source (2); a fiber cloth container (7) which can be carried by the wearer by means of a strap / belt in the shoulder area and which stores the harvested cotton in its interior; a cotton stalk holder (9) that positions the harvesting edge of the device to pick the mature cotton using the vacuum source; a blower (4) which, by means of the nozzle edge and the positioning of the cotton stem holder, generates the negative pressure for sucking the ripe cotton from the selected cotton balls; a filter (6) which stops the sucked-in cotton and transports it from the nozzle to the fiber cloth container, the filter preventing the movement of the cotton in the blower; a wooden roller (11) is rotatable in opposite directions in an inclined position at the bottom of the container, driven by a motor which separates cotton and seeds by passing the harvested cotton through the rollers, the harvested cotton being stored in a cotton outlet; At the bottom of the sloping roller edge there is a seed collection box that collects and stores the seeds filtered by the rotating rollers.

The utility model belongs to the technical field of oral cavity cleaners, and particularly relates to an oral cavity cleaning device. According to the technical scheme, a supporting rod is vertically arranged, a supporting ball is fixed to the top of the supporting rod, and the outer side of the supporting ball is independently sleeved with a cotton ball used for cleaning the oral cavity; the supporting rod is provided with a pushing assembly used for pushing the cotton balls out of the supporting ball. According to the oral cavity cleaning device, the supporting rod, the supporting ball and the cotton ball are arranged, the cotton ball is limited on the supporting rod through the supporting ball, the supporting rod can be operated subsequently to drive the cotton ball to move to clean the oral cavity, and when the cotton ball needs to be replaced, the supporting rod is provided with the pushing assembly used for pushing the cotton ball out of the supporting ball; therefore, the cotton ball limited on the supporting ball can be directly pushed out so as to achieve the purpose of disassembly, the hands of medical staff do not need to be in contact with the cotton ball in the disassembly process, and the cotton ball can be disassembled in a pollution-free mode.

The invention relates to the technical field of metallographic analysis and detection, and particularly discloses a display method for accurately distinguishing multi-phase structures of a W780X hot rolled plate. Performing hot inlaying; performing grinding; polishing is conducted; corroding, namely soaking and corroding the polished sample in an aggressive agent sodium thiosulfate solution for 10-200 seconds, taking out, wiping the surface by using a hydrochloric acid alcohol cotton ball to remove a corrosion product on the surface, washing by using alcohol, and drying by blowing; the morphology, size and distribution state of ferrite, pearlite and martensite can be clearly displayed through metallographic microscope observation. Compared with the prior art, the etchant adopted by the invention is a solution prepared from 8-15g of sodium thiosulfate and 77-90ml of water, the three structures can be clearly displayed after corrosion, the cost is low, the etchant is safe and non-toxic, the preparation is convenient, and the morphology and distribution state of ferrite, pearlite and martensite in the metallographic structure of the W780X hot-rolled plate can be clearly and completely displayed; the method has the characteristics of low detection cost, rapidness, simplicity and accuracy.

The utility model relates to a trachea sample collecting device for dogs. The device comprises a sampling tube and a sealing tape, the sampling tube is of a hollow structure, one end of the sampling tube is sealed to form a sampling section, the other end of the sampling tube is communicated with a sample storage tube, a sampling opening is formed in the side wall of the sampling section, a sampling cotton ball is placed in the sampling section and fixedly connected with one end of a second thin line, and the other end of the second thin line extends from the inside of the sampling tube. The sample storage tube penetrates out of the end part of the sample storage tube; the sealing adhesive tape is adhered to the sampling port so as to seal the sampling port, and a first fine line is fixedly connected to the sealing adhesive tape. According to the scheme provided by the invention, in the sampling process, saliva or food residues can be prevented from polluting the sampling cotton ball, and a sample can be directly stored after sampling is completed, so that the sample is prevented from being polluted by an external environment.

The invention relates to a diabetic foot infected wound flushing device which can solve the problem that a traditional method is prone to causing cross infection. The device comprises a shell (comprising two side plates), a nozzle (top atomized disinfectant), an infusion tube and a driving pump, the first roller is arranged between the side plates and is wound with clean cotton cloth; the dirt suction plate is located below the first roller, one end is rotationally connected with the side plate, and the other end freely extends and is in an inclined downward state in a natural state; the second roller is located below the dirt suction plate and used cotton cloth is wound on the second roller. Cotton cloth is wound on the second roller from the first roller through the upper and lower surfaces of the dirt suction plate. When the dirt suction plate rotates clockwise to the nozzle, the first roller and the second roller are static; and when the dirt suction plate rotates anticlockwise to an inclined downward state, the second roller rotates anticlockwise to wind the cotton cloth, and the first roller synchronously releases new cotton cloth. According to a traditional debridement method that cotton balls are clamped through tweezers, due to repeated friction between the cotton balls and wounds, local red and swollen and inflammatory reactions are prone to being caused, and the risks are remarkably reduced through non-contact operation of the device.

This utility model provides a cotton ball winding device for medical cotton swab production, relating to the field of medical cotton swab production technology. It includes a swab placement assembly and a cotton spraying and resetting component. The inner sides of both ends of the swab placement assembly are fitted with a feeding assembly, and the outer side of the upper part of the swab placement assembly is bolted to a positioning and rotating assembly. One outer end of the positioning and rotating assembly is bolted to a cotton spraying and resetting component. The cotton spraying and resetting component includes a bolt side plate, a sleeve, a cotton spraying machine body, a nozzle, an end partition, a second hydraulic cylinder, and a resetting plate. This utility model mainly utilizes an upper bearing guide wheel set in the arc-shaped groove of the upper groove block, which, in conjunction with the lower groove block and the lower bearing guide wheel, effectively achieves rotational operation during the cotton swab winding process when the pneumatic connecting plate, electric rotating seat, and swab sleeve rotate around the cotton swab, thereby reducing product damage and improving product processing quality.

The egg laying device comprises a box body with an opening in the top, a box cover is arranged above the box body, a first gauze element is arranged on the box cover, a cotton ball placing hole is formed in the center of the first gauze element, a cotton ball is placed at the cotton ball placing hole, and yarn perpendicular into the box body is arranged on the first gauze element on the periphery of the cotton ball placing hole. The box cover which is convenient to disassemble is arranged, and the yarn and the box cover are fixed together, so that the egg taking work can be conveniently and quickly carried out. When the device is used for taking the eggs, the box cover can be directly replaced to obtain the bee bug eggs, the limitation of incomplete egg taking is broken through, and therefore the integrity of the eggs is guaranteed. Ventilation can be achieved through the gauze element, the cotton ball can provide water and a sugar source for the oviposition lilycoris, and normal living activities of the lilycoris lilycoris are guaranteed. Detachable parts are used, and waste of consumables is reduced. And through the design of the detachable box cover, ovum taking and box cover replacement are facilitated, and the utilization rate and repeatability of resources are improved.

The invention discloses an intelligent micro-pressure hemostatic cotton ball patch which comprises a contact layer, a pressure control layer, a fixing layer and an intelligent monitoring system. The contact layer is a drug-loaded hydrogel cotton ball, contains chitosan and vitamin K, and expands by 20% after sucking blood; the pressure control layer is provided with eight groups of springs with the initial pressure of 15mmHg, and is provided with a three-color pressure visual window; the fixing layer is a medical silica gel bionic suction cup, and the stripping force is larger than 3N. The intelligent monitoring system comprises a color-changing timing ring (changing from white to blue within 5 minutes) and an errhysis alarm module (a conductive fiber triggers a vibration motor and an LED lamp). The diameter of the device is 3 cm, the thickness is 1.2 cm, Bluetooth transmission and block chain evidence storage can be integrated, the hemostasis efficiency is improved by 55% or above, the early warning speed is increased by 5-10 times, and the device is suitable for hemostasis after venipuncture.

This utility model relates to the field of textile machinery technology, and in particular to a carding and impurity removal device for cotton. The lifting mechanism includes a mounting plate with several lifting rods evenly spaced along its length. A connecting rod is fixedly connected to one of the lifting rods, with one end extending outside the housing and fixedly connected to a connecting plate. An electric telescopic rod is connected to the upper end of the housing, and its telescopic end is fixedly connected to the lower surface of the connecting plate. When the electric telescopic rod is activated, it drives the connecting plate to reciprocate vertically. The connecting plate moves the connecting rod, which in turn drives the lifting rod to reciprocate vertically. As the lifting rod moves upward, it moves the cotton ball. After the cotton ball moves upward, the gap between it and the perforated plate increases, preventing the cotton ball from interfering with impurities passing through the perforated plate and facilitating impurity passage, thus improving the impurity removal effect.

The invention relates to the technical field of stony desertification treatment equipment, in particular to a seedling cultivation device and method for stony desertification treatment, and the seedling cultivation device comprises a cultivation vehicle body and a cultivation pipe, the cultivation vehicle body is provided with a nutrient solution feeding mechanism, and the nutrient solution feeding mechanism comprises a nutrient solution box body and a liquid guide pipe; after the cultivation vehicle body moves, the liquid guide pipe corresponds to an upper port of the cultivation pipe, and the cultivation pipe is fixedly arranged on one side of the nursery stock; a sealing plate is rotationally arranged at the upper end opening of the cultivation pipe, and a permeation water absorption cotton ball is arranged in the cultivation pipe and connected with a permeation piece through a cotton thread. The cultivation pipe is buried on one side of the nursery stock, a water source and a nutrient solution are carried through the cultivation vehicle body, the irrigation efficiency is improved while labor force is reduced, the survival rate of the nursery stock can be improved as long as water is supplemented into the cultivation pipe regularly, evaporation of water and the nutrient solution can be reduced through the pre-buried cultivation pipe under the action of a sealing plate, and the survival rate of the nursery stock is increased. The survival rate of the seedlings is further improved.

The utility model discloses an oral cavity saliva suction pipe relates to medical appliance field, including the saliva suction head, saliva suction pipe sets up one end in saliva suction head, liquid inlet structure, liquid inlet structure sets up on saliva suction head, and liquid inlet structure is used for introducing the saliva in oral cavity into saliva suction head inside, one -way structure, one -way structure sets up inside one end of saliva suction head, and one -way structure is used for forming one -way circulation structure in saliva suction head. The utility model discloses through with cotton ball covering in the outside of saliva suction head, and cotton ball sinks into the recess, increases the stability of saliva suction head and cotton ball contact, and the saliva suction head is convenient for cotton ball and carries out the compression, improves the stability of occlusion of saliva suction head, and when the first drainage groove of saliva suction head end surface and oral cavity inner wall contact, utilize the multiple second drainage groove of setting and prevent saliva suction head from happening to be blocked so that saliva enters saliva suction head by second drainage groove, guarantee saliva suction head to the stable suction of saliva.

The utility model discloses a cotton ball processing soaking device, and relates to the field of cotton ball soaking, the cotton ball processing soaking device comprises a soaking box and a soaking frame arranged in the soaking box, a pressing net plate is arranged in the soaking box, a lifting pressing mechanism is arranged on the upper surface of the soaking box, and the lifting pressing mechanism comprises a screw rod inserted in the soaking box; the L-shaped pressing rod is fixedly connected with the pressing net plate, the outer surface of the lead screw is in threaded connection with a threaded sleeve, the outer surface of the threaded sleeve is fixedly connected with a lifting plate, and the L-shaped pressing rod is fixedly connected with the lifting plate; a clamping and supporting mechanism is arranged in the soaking frame; and the card support mechanism comprises a card support groove formed in the soaking frame and a baffle arranged in the soaking frame in a penetrating mode, a rotating shaft is movably connected into the card support groove, and a clamping block is fixedly connected to the outer surface of the rotating shaft. It can be guaranteed that cotton balls can be completely soaked in disinfectant, and the disinfection efficiency and practicability of the device are improved.

A tooth preparation baffle facilitating surgical operation comprises a tooth preparation baffle body and a clamping base, and the tooth preparation baffle body is connected with the clamping base through a connecting arm; the tooth preparation baffle body comprises a first baffle making contact with the tongue and a second baffle making contact with the inner side of the lip, the inner side of the first baffle and the inner side of the second baffle are each provided with a protruding upper connecting protruding piece, the bottom of each upper connecting protruding piece is provided with an upwards-concave first inserting groove, and each first inserting groove is connected with one end of the corresponding connecting arm. The clamping base comprises a connecting bow and tooth side clamping wings, the two ends of the connecting bow are connected with the tops of the tooth side clamping wings on the same side respectively, the outer sides of the tooth side clamping wings are provided with protruding lower connecting protruding pieces, the tops of the lower connecting protruding pieces are provided with second inserting grooves recessed downwards, and the second inserting grooves are connected with the other ends of the connecting arms. The tooth baffle plate main body can block the tongue and open the lip, and is matched with the connecting arm and the clamping base to reserve enough space for bonding the dental crown without influencing the bonding, and cotton rolls or medical cotton balls can be stuffed into the gaps to effectively insulate moisture.