24results about How to "Avoid aspiration" patented technology

The invention provides a corrosion resistance testing device for cloth production, and relates to the technical field of cloth corrosion resistance testing, the corrosion resistance testing device comprises a mounting support member, and a corrosion soaking member is mounted on the mounting support member; the corrosion soaking piece is used for testing the corrosion degree of the corrosive liquid with different concentrations on the cloth; a spinning shifting piece is mounted on the corrosion soaking piece; a suction connecting piece is mounted at the bottom of the mounting supporting piece and is used for sucking corrosive liquid attached to the cloth; during testing, samples can be rapidly switched, cloth does not need to be taken tediously, meanwhile, the anti-corrosion liquid can be automatically controlled to stop soaking, it is guaranteed that the samples with different corrosion concentrations are independent, the samples can be directly used under a microscope more conveniently, and the microscope cannot be corroded and polluted; the problems that an existing corrosion resistance testing device for cloth production cannot be conveniently removed for observation testing, a microscope is easily corroded, and different samples cannot be conveniently and rapidly switched are solved.

The invention discloses a preparation method of a pole piece for improving lithium precipitation at an arc position of a winding type battery cell and the battery cell, and relates to the technical field of winding type lithium ion batteries, the preparation method of the pole piece comprises the following steps: setting a rolling program according to a selected winding battery cell model, and setting the rolling pressure of an arc area to be smaller than that of a non-arc area; and rolling the current collector coiled material coated with the active substance according to a rolling procedure, and cutting to obtain the pole piece. According to the method, the roller pressure at the arc is reduced, so that the arc is thicker and lower in compaction, and the positive and negative plates are thicker and lower in compaction at the arc, so that under the action of the winding force, the fitting degree between the positive and negative electrodes of the winding type arc and the diaphragm is obviously improved. And at the corner and the position with relatively small compaction density of the pole piece, the migration kinetics of lithium ions is guaranteed, and lithium separation can be avoided under high magnification.

A multifunctional trachea cannula fixator belongs to the technical field of medical instruments. The trachea cannula fixing device solves the problems that a device used in an existing trachea cannula fixing method is prone to injuring the face, the mouth and the lips of a patient, and oral cavity nursing is not convenient. The silica gel sleeve is sleeved on the outer side of the bite block, the clamping belt surrounds the outer side of the silica gel sleeve, the fixing belt is connected with the clamping belt, a sputum suction hole is arranged on the bite block, a plurality of suction holes are processed on the lower half part of the bite block, the suction holes are communicated with the sputum suction hole, a trachea cannula wrapping hole is further processed on the silica gel sleeve, and the trachea cannula wrapping hole is communicated with the trachea cannula wrapping hole. The trachea cannula catheter is placed in the trachea cannula wrapping hole. The multifunctional trachea cannula fixer has a good fixing effect on the trachea cannula, is fixed on the head of a patient through the fixing band to avoid irritation and injury to the skin of the patient, and also solves the problem that the adhesive tape slips off due to secretion of facial grease.

The utility model discloses a kind of efficient paint mixing and stirring device, comprising: bearing frame, the surface of the bearing frame is fixedly connected with pull ring;Stirring assembly, one side of the stirring assembly is fixedly connected with bearing frame surface side, the stirring assembly is for the sufficient stirring mixing of paint;Vacuum component, one side of the vacuum component is communicated with the surface of stirring assembly, the utility model relates to stirring device technical field.The efficient paint mixing and stirring device, by the setting of vacuum component, by the setting of vacuum pump, the mixed bubble inside load barrel is directly vacuumized, effectively removes internal air, and the paint splashed in the process of vacuumizing is blocked and filtered using filter core, to avoid its random into suction duct, filter core bottom inverted cone, avoid paint adhering on filter core surface, spring can complete its push compact, pull handle rod can be pulled apart, convenient operation.

The utility model discloses an oral care device, which belongs to the technical field of medical care tools, and comprises a brush handle, a brush head and a scraping strip assembly, the brush head is mounted at the head part of the brush handle, and a cleaning block for adsorbing oral care solution is mounted on the brush head; the scraping strip assembly is connected to the brush head in a sliding mode and can extrude the cleaning block when moving. When the scraping strip assembly extrudes the cleaning block, the cleaning block deforms to extrude redundant oral care solution out of the cleaning block, and the scraping strip assembly extrudes the cleaning block, so that the dosage of the oral care solution in the cleaning block is controlled, and a patient is prevented from sucking the oral care solution by mistake.

The utility model relates to a mistaken-suction-preventing water cup capable of adjusting the water outlet amount. The top of the outer cup is provided with an outer cup connecting part, the bottom of the cup cover is provided with a cup cover connecting part, a cup cover protruding nozzle is arranged in the middle of the cup cover, and a buckling cover is installed on the cup cover in a hinged mode. An inner support with a hollow hole is arranged in the cup cover, a hard suction pipe is arranged in the center of the inner support, a flexible suction nozzle is installed at the upper end of the hard suction pipe in an inserted mode, a switching block which is internally provided with a channel and made of silica gel is installed at the lower end of the hard suction pipe, and the multi-cavity inner cup comprises an outer cylinder body and an inner cylinder body. A bottom plate is arranged between the bottom edges of the outer barrel and the inner barrel, a plurality of partition plates are arranged between the outer barrel and the inner barrel, a plurality of water outlet holes communicated with the water storage cavities are formed in the root of the inner barrel, the adapter block is located in the inner barrel, and when the multi-cavity inner cup is rotated, the water outlet holes can be in butt joint with a front port of the channel. The single-time water outlet amount can be adjusted and set, and the problem that a user sucks by mistake is solved.

The invention discloses a healing cap implantation and extraction auxiliary device, and relates to the technical field of artificial tooth implantation, the healing cap implantation and extraction auxiliary device comprises a twisting wrench mechanism, the twisting wrench mechanism comprises a wrench sleeve, the left end of the wrench sleeve is connected with a wrench lantern ring, and the position, corresponding to the middle of the wrench sleeve, of the wrench lantern ring is provided with a limiting through groove; the end, located in the wrench sleeve ring, of the limiting column is provided with a wedge-shaped limiting end, the end, located in the wrench sleeve, of the limiting column is fixedly connected with a pushing disc, the inner side of the right end of the wrench sleeve is in threaded connection with an outer threaded sleeve, and a reset compression spring is installed in the wrench sleeve. A healing cap screwdriver is installed in the wrench lantern ring, the device further comprises a twisting direction control mechanism, a torsion limiting mechanism, a screwdriver anti-falling mechanism and a healing cap anti-falling mechanism, the healing cap implanting and taking-out auxiliary device can prevent the healing cap screwdriver or the healing cap from falling into the deep position of the oral cavity to be mistakenly sucked by a tooth implantation person, and safety is good.

The utility model relates to a steam-water separation system for a dust-free room, which comprises a steam-water separation box, a liquid inlet is arranged on one side wall surface of the steam-water separation box, and an exhaust port and a liquid outlet are sequentially arranged on the other side wall surface of the steam-water separation box from top to bottom; the liquid inlet is connected with a waste liquid outlet of the cleaning tank through a first waste liquid pipe group; the liquid outlet is connected with an inlet of a U-shaped pipe through a second waste liquid pipe group; an outlet of the U-shaped pipe is connected with an inlet of an alkaline waste liquid collecting system through a third waste liquid pipe group; the exhaust port is connected with an inlet of the alkaline waste gas collecting system through the waste gas pipe group unit; the waste gas pipe set unit comprises a first waste gas pipe set and a second waste gas pipe set which are sequentially connected, and the first waste gas pipe set is obliquely arranged. By arranging the steam-water separation box and the corresponding pipe set, waste gas volatilized from the ammonia water waste liquid can be effectively prevented from flowing back into the cleaning tank, and the body health of maintenance personnel is not affected.

The utility model discloses a noninvasive ventilator oxygen humidification tank, including humidification tank body and control module, the humidification tank body is provided with a first water line, a second water line and a third water line, the top end of humidification tank body is fixedly communicated with a water inlet pipe, one side of the top end of humidification tank body is fixedly communicated with an air inlet pipe, and the other side of humidification tank body is fixedly communicated with a water outlet pipe. The other side of the top end of the humidifying tank body fixedly communicates with an air outlet pipe, and a first water level sensor and a second water level sensor are fixedly installed on the side wall in the humidifying tank body. Compared with the prior art, the oxygen humidifying tank of the noninvasive breathing machine is simple and practical, when the water level of the humidifying tank is too low, automatic water adding can be achieved, the workload of nurses is reduced, the situation that a patient inhales by mistake, burdens on the lungs are increased, and breathing is not smooth due to the fact that water is added excessively at a time can be avoided, and the oxygen humidifying tank is safer and more reliable.

The utility model relates to the technical field of edible oil processing, in particular to a sunflower seed oil refining device which comprises a supporting frame, a processing body is fixedly connected to the top end of the supporting frame, an upper fixing frame and a negative pressure mechanism are fixedly connected to the top end of the processing body, and a dust collecting bag is arranged on one side of the negative pressure mechanism in a matched mode. An outer mounting plate is fixedly connected to one side of the top of the machining body, a telescopic rod is fixedly connected to the inner side of the outer mounting plate, and the telescopic rod is embedded into the machining body at the same time. The effect of temporarily collecting sunflower seeds outside a kitchen is achieved through a material collecting cavity, the effect of conveniently guiding and concentrating dust is achieved through a dust collecting cavity with the upper end and the lower end closed inwards, the effect of further adsorbing and concentrating the dust is achieved through an adsorption cavity, and the effect of conveying external airflow into the material collecting cavity is achieved through a flow guiding base; the sunflower seeds stored in the material collecting cavity can be conveniently turned over and dispersed in the material collecting cavity, and then dust and impurities can be conveniently separated.

The utility model relates to the technical field of welding wire processing, in particular to automatic welding wire powder coating equipment which comprises a machine body, a control switch, a wire inlet hole, a wire outlet hole, a transmission pipe, a powder pumping pipe, spray heads and an electric box, first hollow boxes are arranged at the left end and the right end of the inner wall of the machine body respectively, and the front ends of the first hollow boxes at the two ends are movably connected with the spray heads. A plurality of powder pumping pipes are arranged on the lower end faces of the first hollow boxes at the two ends, the transmission pipe is connected to the inner side of the wire inlet hole, and the lower portion of the transmission pipe is fixedly connected with a supporting plate. According to the technical field of welding wire machining, powder is sprayed on the welding wire body from the left side to the right side, powder can be well smeared, and the phenomenon that powder is not smeared in place is avoided.

The invention discloses an adjustable nasopharynx cancer mouth opening training device, which belongs to the technical field of medical instruments and comprises a shell, a mouth opening assembly is arranged in the shell, a liquid suction assembly is arranged at the end part of the mouth opening assembly, and a fixing belt is fixed on the outer side wall of the shell. A liquid storage assembly for absorbing and storing saliva discharged from the interior of the liquid absorption assembly is arranged at the bottom of the shell; according to the device, two jacking pieces in the mouth opening assembly synchronously and reversely reciprocate, so that the oral cavity of a patient is driven to be repeatedly opened, the natural mouth opening action can be well simulated, the mouth opening exercise effect of the patient is improved, saliva in the mouth of the patient is sucked and discharged in time through the liquid suction assembly, and the patient is more comfortable to use. Compared with the prior art, discomfort caused by saliva accumulation and even outflow in the mouth opening training process is avoided, the safety of the training process is improved, the saliva is absorbed and stored through the liquid storage assembly, the situation that the saliva flows back into the oral cavity is greatly reduced, and therefore the saliva can be effectively collected, and cleaning is convenient.

The utility model discloses a neurology patient oral cavity nursing anti-aspiration device relates to medical instrument technical field, including oral cavity adhesion department, guide drainage department, perception feedback part and control blocking part, oral cavity adhesion department is arc, and adopts silica gel adhesion department. The utility model provides through the sealed air bag and specific shape design of oral cavity adhesion department, effectively reduced the risk of liquid leakage in oral cavity, and micro -projection can stimulate oral cavity mucosa, and the perception ability of patient oral cavity is enhanced, is helpful to prevent aspiration, and the drainage groove and one -way drainage valve design of guide drainage department can guide the orderly flow of liquid in oral cavity to total drainage port, and prevent liquid backflow, further reduce the possibility of aspiration, and the synergistic effect of perception feedback part and control blocking part realizes real -time monitoring and quick blocking to the liquid close to throat part, greatly improves the timeliness and accuracy of preventing aspiration.

The utility model discloses a novel tooth cleaning device, including toothbrush handle, rotary brush head, water delivery module and sewage discharge module, rotary brush head includes the impeller and carousel that are connected in front and back, and the brush hair is provided on the front side of carousel, the inside of the head end of toothbrush handle is provided with the impeller chamber, and the water inlet passage and the backwater passage that are respectively communicated with the impeller chamber, and the impeller is located in the impeller chamber, water delivery module is linked with the water inlet passage, and the sewage discharge passage is also provided in toothbrush handle, and the head end is communicated with the front side of carousel, and the tail end is communicated with sewage discharge module.

This utility model discloses an oral care stick, including a sponge block, a hollow rod, a piston, and a push rod. The sponge block is connected to one end of the hollow rod, the piston is embedded in the hollow rod, and the push rod is connected to the piston and extends out of the hollow rod from the end away from the sponge block. A diaphragm is provided inside the hollow rod near the sponge block, and at least one slit is provided in the middle of the diaphragm. Disinfectant is stored between the diaphragm and the piston. The amount of disinfectant seeping into the sponge block is controlled by the piston and the push rod. The moisture of the sponge block can be adjusted according to the moisture level of the patient's mouth to avoid aspiration or choking.

The utility model provides a kind of powder suction device, including suction tube body, vibration assembly is provided on the outer side wall of suction tube body, and vibration assembly is used to prevent the blockage of suction tube body by continuous vibration, and vibration assembly is connected on the outer side wall of suction tube body by fixing part, and suction tube body one end is provided with suction nozzle, and the utility model is equipped with vibration assembly outside suction tube, and the inner wall high-frequency vibration is made by continuous vibration, and starch powder agglomeration can be disintegrated, kinetic energy is provided for powder flow, resistance is reduced, starch accumulation in the bend and connecting portion of suction tube is reduced, blockage is avoided, cleaning is reduced, production continuity is guaranteed, and artificial cost is reduced.

The utility model relates to medical instrument technical field especially relates to a kind of multifunctional surgical electric knife, it includes processor, shell, electric knife blade, suction assembly and scab-removing component, the scab-removing component includes being set in shell and the scab-removing head with the opening for the electric knife blade to protrude one end, the scab-removing blade for scraping off eschar on electric knife blade is set in opening place, and the sliding mechanism for driving electric knife blade to slide in scab-removing head and then make the eschar on electric knife blade be scraped off by scab-removing blade is connected on electric knife blade, the suction port is arranged between the scab-removing head and shell, the suction assembly includes the suction pipe being set in shell and one end with suction port intercommunication and the suction tube other end intercommunication and for producing suction force suction device, the electric knife blade and suction device are electrically connected with processor.This surgical electric knife is various in function, overall volume is smaller and user operation is more convenient.

The invention provides a tumor interventional therapy patient nausea and vomiting auxiliary nursing device which comprises an air suction assembly and an adsorption assembly, and a connecting pipe is arranged at the intersection of the air suction assembly and the adsorption assembly; wherein the air suction assembly comprises a suction fan, the adsorption assembly comprises a protective cover, the suction fan is connected with the protective cover through a connecting pipe, the protective cover is worn on the mouth of a patient and used for collecting vomitus of the patient and preventing the patient from aspirating mistakenly, and the device comprises the suction fan, a collecting bottle, the protective cover and a connecting pipe; the protective cover is worn on the mouth of a patient and used for collecting vomit of the patient, the patient is prevented from aspirating by mistake, the situation that the vomit pollutes an operation sheet is effectively avoided, a clean environment is created for an operation, it is ensured that the operation can be conducted smoothly and is not interfered by the vomit, the risk that the patient aspirates the vomit by mistake is greatly reduced, and the life safety of the patient is guaranteed; and serious complications possibly caused by aspiration are reduced.

This utility model relates to the field of neurosurgical instruments and discloses an arc-shaped teardrop-shaped three-way neuroendoscopic irrigation and aspiration device, including a bent tube, a flushing tube, a three-way tube, a negative pressure tail tube, a teardrop head frame, and an inner hole. The bent tube is equipped with an adjustment mechanism, which in turn includes an auxiliary mechanism. The adjustment mechanism includes a groove formed on the top inner wall of the teardrop head frame. Supports are slidably connected to the front and rear inner walls of the groove. A compression spring is fixedly connected to the bottom outer wall of the support. A piston ball is fixedly connected to the left outer wall of the support. A lever is slidably connected to the top inner wall of the support, and a locking plate is fixedly connected to the right outer wall of the lever. This utility model, by incorporating the piston ball and support structures, improves the problem of alternating use of different instruments for irrigation and aspiration, which increases the complexity of the operation during surgery, requires more effort from the surgeon, and affects surgical efficiency.

The invention belongs to the technical field of vacuum suckers, and discloses a novel sucker matrix, a plurality of sucker assemblies are mounted on a device shell, each sucker assembly comprises a sucker, a vacuum pump and an electromagnetic valve, the suckers are mounted at the lower end of the device shell, and the vacuum pumps and the electromagnetic valves are mounted in the device shell; the upper end of the suction cup communicates with an inlet of the vacuum pump and a connector of the electromagnetic valve, an inlet of the electromagnetic valve communicates with the outside of the device shell, and the vacuum pump and the electromagnetic valve are electrically connected with the control circuit board. When articles are adsorbed, any suction cup assembly can be controlled to start to work through a single hole, the suction cup cooperates with the vacuum pump to start air exhaust, the electromagnetic valve acts to be attached, and the suction cup generates adsorption force to adsorb the articles. An electric control mode is adopted, a single suction cup assembly can be independently controlled, negative pressure is formed by reducing local air pressure, and therefore strong suction force is achieved, operation flexibility and adaptability are improved, and the probability of wrong suction is reduced.

This utility model relates to the field of assisted reproductive technology, specifically to an embryo transfer tube, comprising a first tube segment and a second tube segment connected to each other. The inner diameter of the second tube segment is larger than that of the first tube segment. A piece of absorbent cotton is placed inside the second tube segment. An annular limiting seat is provided on the inner wall of the second tube segment at the end away from the first tube segment, and the inner diameter of the annular limiting seat is smaller than that of the second tube segment. By setting an annular limiting seat at the end of the larger-diameter second tube segment, this utility model can reduce the air intake cross-sectional area, increase airflow resistance, and make the negative pressure generated by the suction bulb more gradual. This facilitates the operator's precise control of the embryo aspiration position, thereby reducing the risk of embryos being accidentally aspirated into the second tube segment. Simultaneously, the absorbent cotton placed inside the second tube segment further intercepts any embryos and fluids that may be accidentally aspirated.

The utility model relates to laryngeal mask technical field, specifically, the utility model relates to a kind of anti-reflux laryngeal mask with stomach pH monitoring;Including mask sac;The installation pipe body is equipped on the mask sac;Suction installation pipeline and air pipe are equipped in the installation pipe body;Suction installation pipeline and air pipe are all communicated with the mask sac;Suction pipe is equipped in the suction installation pipeline;Acidity monitoring assembly and electrode assembly are equipped on the suction pipe;The device integrates air pipe, suction installation pipeline, can realize the simultaneous performance of the two operations of air, gastroesophageal suction;Electrode assembly is contracted by electric stimulation esophagus lower sphincter, to approximate physiological state under esophagus lower sphincter contraction behavior closed esophagus to reach the purpose of anti-reflux aspiration;Acidity monitoring assembly is located in the stomach of patient, microelectrode is located in the vicinity of patient esophagus lower sphincter;Acidity monitoring assembly continuously monitors the pH value in the stomach of patient, prompt whether there is acidic reflux in the stomach.

The utility model provides a high-molecular polymer injection molding oil baffle plate which comprises a plate body and a protrusion, the edge of the plate body is provided with a warped edge, the protrusion is arranged on one side of the bottom of the plate body, and the bottom of the plate body is provided with non-warped edge areas on the two sides of the protrusion along the edge; a hollow containing groove is formed in the protrusion, and an unmagnetized magnetic adsorption block made of ferromagnetic materials is arranged in the containing groove. The oil baffle plate is simple in structure and exquisite in design, damage of hot oil sputtering to a human body is effectively prevented, and the problem that the oil baffle plate is mistakenly attracted to an iron pan in the using process is solved by placing the non-magnetized ferromagnetic material; by arranging the non-edge-warping area, smooth connection between the plate body and the support is achieved; compared with an existing oil baffle plate, the oil baffle plate is made of high-molecular polymer materials, the weight of the plate body can be effectively reduced, and therefore the danger caused by the fact that the gravity center of the pot body is not stable is effectively avoided.

The present invention discloses a tool magazine system for a flexible production line, which relates to the technical field of tool magazines in numerical control machining centers, and includes a numerical control turntable, the numerical control turntable is provided with a notch for extending a tool, the numerical control turntable is rotatably connected to a tool changer, the tool changer is slidably connected to a circumferentially distributed slide, the slide is rotatably connected to a placement rack for placing tools, the slide is fixedly connected to a magnetic rack, and the tool changer is fixedly connected to two electromagnets. The present invention realizes precise positioning of the tool through the cooperation of the electromagnet and the magnetic block, which is convenient for the manipulator to accurately grasp the tool, avoids the situation of mistaking the tool, improves the tool change accuracy, and can conveniently adjust the distance of the tool extension by adjusting the position of the ring frame and the clamping teeth to meet different processing requirements. In addition, by making components such as electromagnets independent of the tool changer, problems such as line winding are avoided, and the reliability and maintenance convenience of the equipment are improved.