25 results about "Oral pharynx" patented technology

The invention discloses a self-service oropharynx examination device for intelligent medical treatment, and relates to the technical field of medical instruments, the self-service oropharynx examination device comprises a handheld operation part, a disposable detection head and an intelligent medical treatment system, and the disposable detection head is installed on the handheld operation part in a magnetic attraction mode; the handheld operation part comprises a handheld base, the detection end of the handheld base is detachably connected with a long detection cylinder, and a first camera and a second camera are mounted at the head of the long detection cylinder; the disposable detection head comprises a detection main body, a tongue depressor is arranged at the bottom of the detection main body, and an air bag is arranged in the middle of the detection main body; the connecting end of the detection main body is provided with a magnetic attraction part, and the magnetic attraction part is in magnetic attraction connection with the detection end of the handheld base; the self-service oropharynx instrument is used for convenient examination and oropharynx image acquisition, and is matched with an intelligent medical system to pre-judge and preliminarily identify abnormal indications, so that online diagnosis and treatment and intelligent medical development are facilitated, the medical cost is saved, and the risk of cross infection is reduced.

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to application of a residual barley oropharynx combined traditional Chinese medicine extract in preparation of a medicine for treating stomatitis. The invention provides application of a herba houttuyniae extract, a radix astragali extract and a fructus forsythiae extract in preparation of a medicine for treating stomatitis, wherein the stomatitis is herpangina. The herba houttuyniae extract, the radix astragali extract and the fructus forsythiae extract are combined with the herba houttuyniae extract, the radix astragali extract and the fructus forsythiae extract. The herba houttuyniae and radix astragali seu hedysari oral pharynx mixture is combined with the herba houttuyniae extract, the radix astragali seu hedysari extract and the fructus forsythiae extract, so that the synergistic interaction effect of the medicines can be fully exerted, the overall regulation advantage of the combined medicines is exerted, and the herpangina of children is effectively treated.

The invention relates to a ventilation device for gastroscopy in an anesthesia state, belongs to the technical field of medical instruments, and solves the problems that in the prior art, a gastroscope access channel and an oxygen supply channel are parallel, the occupied space of the oropharynx is large, placement is inconvenient, oxygen supply cannot be effectively guaranteed, and oral cavity tissue is prone to being damaged. The device comprises a protection tube unit and a ventilation catheter, wherein the ventilation catheter is arranged on the protection tube unit; the protective tube unit is used for being connected to the outer wall of a gastroscope in a sleeving mode during gastroscopy, and the outer wall of the gastroscope is prevented from rubbing the throat of a patient. High-flow oxygen is input into the respiratory tract of a patient through the gap between the protective tube unit and the gastroscope, so that the patient can keep effective breathing. According to the ventilation device, an existing gastroscope access channel and an existing oxygen supply channel which are arranged side by side are improved into the mode that only one pipe is used for effective ventilation, the gastroscope body of the gastroscope and the throat of a patient can be isolated at the same time, the occupied space of the oropharynx is small, implantation is convenient, and tissue damage is reduced.

The present invention relates to an anti-respiratory obstruction device during anesthesia nursing, belonging to the field of medical device technology, comprising an oropharyngeal folding pressure plate, an airway intubation channel, an esophageal intubation hole, an esophageal reflux prevention tube, an oral secretion suction hole, a monitoring camera and a central controller. The present invention provides an anti-respiratory obstruction device that is simultaneously equipped with an esophageal reflux prevention blocking structure, an oral secretion infiltration prevention structure and an airway clearing monitoring structure. The esophageal reflux prevention tube is combined with an inner monitor to facilitate preventive monitoring and timely suction of reflux when obstruction occurs. The oropharyngeal folding pressure plate is used to moderately press the oropharynx in combination with the oral secretion suction hole thereon, which is conducive to clearing secretions in real time to prevent secretions that may cause obstruction from entering the oropharynx and airway. The air vent is provided to ensure assisted breathing when respiratory obstruction occurs, ultimately achieving comprehensive prevention of respiratory obstruction and effective and rapid treatment when respiratory obstruction occurs.

The utility model discloses a bite block for tracheal intubation, which is matched with the tracheal intubation and a suction tube for use and comprises a bite block body, a first through groove for fixing the tracheal intubation and a second through groove for inserting the suction tube are arranged in the bite block body, a lip baffle is arranged on the lateral portion of the bite block body, and the lip baffle is provided with two groups of elastic bands which can be adhered to each other. A size-adjustable air bag is arranged below the lip baffle at the side part of the bite block body; and a gap is formed between the lip baffle and the air bag for teeth to occlude. The trachea cannula clamping device has the advantages that the trachea cannula can be clamped so as to improve the stability of the trachea cannula and the bite block, and a suction tube can be clamped so as to suck oropharyngeal secretions; 2, a mouth-held air bag is arranged, and the size of the air bag can be adjusted according to the oral size of the patient, so that the bite block is better attached to the oral gum of the patient; and 3, the tooth pad is integrally fixed by sticking the elastic bands, so that the defect that the tooth pad is easily polluted by the oral secretion of the patient and fails when being fixed by a medical adhesive tape traditionally is overcome.

An ornamental design for a facial exercise device, as shown in the figures and description. The facial exercise device is used to strengthen, tighten, and tone the midface, lower face, orofacial region, and oropharynx (including the tongue and floor of the mouth muscles) for both aesthetic and rehabilitative therapeutic purposes. The facial exercise device comprises a trapezoidal tubular body having a primary isosceles trapezoidal shape. The trapezoidal tubular body defines a plurality of openings with equally spaced compressible and bendable body members centered around a central opening, positioned at predetermined locations for isometric and isotonic muscle resistance training for various facial and tongue movements. The facial exercise device can be positioned anywhere, including under the lower lip, under the upper lip, under both lips, on one or both cheeks, around the outer periphery of the mouth, and within the oral cavity (contacting the hard palate, tongue surface, and floor of the mouth). 1.1) Perspective view; 1.2) Front view; 1.3) Plan view; 1.4) Bottom view; 1.5) Right side view; 1.6) Left side view; 1.7) Rear view; 1.8) Cross section; 1.9) Reference view showing the state of use; 1.10) Reference view showing the state of use

The invention discloses an anti-stress-reaction sputum suction device for severe pneumonia patients, which comprises an outer shell and a liquid storage bottle mounted in a groove formed in the upper part of the right side surface of the outer shell, a tooth opening assembly for opening an oral cavity is arranged on the outer side of a sputum suction tube, and a synchronous adjusting assembly is mounted on the outer side of the tooth opening assembly; a storage groove for placing the tooth distraction assembly is formed in the front side surface of the outer shell; the lower portion of the synchronous adjusting assembly is connected with the interior of the containing groove through a connecting line. A tongue pressing block used for pressing the tongue downwards is installed on the right side of a lower distraction block in the tooth distraction assembly through an installation mechanism, and an auxiliary pressing mechanism is installed on the tongue pressing block. According to the anti-stress-reaction sputum suction device for the severe pneumonia patient, in the process that a medical worker inserts a sputum suction pipe into the pharynx of the oral cavity, the medical worker cannot touch other areas in the oral cavity by mistake, so that the patient cannot generate the stress reaction, and good sputum suction operation in the later period is facilitated.

The utility model relates to a visual tracheal intubation auxiliary device capable of forming intermittent jet airflow, which comprises a hollow tube, a camera and an operating handle, the camera is arranged in the front end of the hollow tube, and a ventilation gap used for jetting airflow to the front end of the hollow tube is reserved between the outer side wall of the camera and the inner side wall of the hollow tube. And an air inlet interface communicated with the opening at the rear end of the hollow pipe is arranged on the operating handle. The utility model has the advantages that jet air flow at the front end of the hollow tube can blow away oral secretions at the front end, so that the camera can always clearly display the condition in front of the hollow tube, and a better auxiliary intubation effect is ensured; in addition, the oxygen is intermittently jetted to push open soft tissues of the oropharynx of the patient, so that a wider operation visual field is provided; jet airflow impacts the vocal cord, special vibration sound can be formed, and the position relation between the tip of the tracheal catheter and the glottis can be better determined. Meanwhile, oxygen is supplied to the patient in the auxiliary intubation process, so that it is ensured that more operation time is allowed during intubation, and medical care can complete trachea intubation operation more easily.

The utility model belongs to the technical field of medical instruments, in particular to an oral-nasal exchange catheter capable of memorizing a nasobiliary duct, which comprises an exchange catheter body used for oral-nasal exchange of the nasobiliary duct, a guide wire is arranged in the exchange catheter body, the guide wire is used for guiding the exchange catheter body to smoothly enter a nasal cavity and reach a posterior pharyngeal wall, and the guide wire is connected with a handle. The indwelling end of the exchange catheter body is a head end, the head end adopts a spiral memory design, and a C-shaped bend can be automatically formed to be bounced into an oral cavity after a guide wire is withdrawn. When the exchange catheter is used, the operation process can be simplified, stimulation and risks to the oropharynx of a patient are reduced, and meanwhile the exchange catheter is convenient to use. Meanwhile, the nasobiliary duct can accurately and rapidly reach the target position, the success rate of the operation is increased, and medical staff can conveniently read the placement depth of the exchange catheter body through the arrangement of the scales on the outer wall of the exchange catheter body.

The invention discloses a suction type oropharyngeal ventilation anesthesia device for the anesthesiology department, and belongs to the technical field of oropharyngeal ventilation anesthesia, the suction type oropharyngeal ventilation anesthesia device comprises a press-in flat tube and two oral cavity supporting plates, the top end and the bottom end of the press-in flat tube are fixedly connected with guide rails, and the inner side walls of the guide rails are connected with a bringing-in sliding seat through a limiting assembly. Through the arrangement of the bringing-in sliding base and the oral cavity supporting plate, slow pushing can be achieved through the pressing-in flat pipe, the downward pressure on the tongue is gradually increased through the oral cavity supporting plate on the lower portion, tongue or oral mucosa injuries caused by sudden manual pressing are avoided, iatrogenic injuries are reduced, in the pushing-in process, the oral cavity supporting plate continuously presses the tongue downwards, the view of the throat is expanded, and the mouth feeling is improved. Meanwhile, due to the arrangement of the suction assembly, a negative pressure state can be rapidly generated through electromagnetic control, secretions in the throat can be sucked in time, viscous liquid is prevented from gathering and blocking the airway, and smooth ventilation is guaranteed.

The present invention provides an oral cavity recognition method based on an endoscopic camera, which semantically segments oropharyngeal images collected by an endoscope to obtain specific tissue images, and then accurately locates the corresponding parts in space. The present invention pre-labels a small number of collected oropharyngeal sample images, and uses an attention mechanism to label the associated pixels in the image of the region of interest to obtain a label set. The present invention efficiently performs inference calculations based only on prior knowledge of the spatial structure of oropharyngeal tissue; improves the neural network structure, and globally extracts and integrates the feature information of the oropharyngeal parts, thereby globally perceiving the correlation between different oropharyngeal parts, making the analysis results more accurate and effectively eliminating segmentation errors; adopts an improved single-label segmentation result to improve the accuracy of the overall output segmentation result, which can meet the requirements of oral sampling for clinical identification and positioning accuracy.

The invention relates to the field of oral medicine, in particular to a method for acquiring parameters of a mouth gag. The method comprises the steps of obtaining a sample oral cavity image set; dividing the sample oral cavity image set into a plurality of groups according to the oral cavity width of the sample oral cavity corresponding to each sample oral cavity image subset, wherein each group comprises a plurality of sample oral cavity image subsets; obtaining a first target relationship corresponding to the oral cavity width corresponding to each group according to the sample oral cavity image subset included in each group; obtaining a second target relationship corresponding to the oral cavity width corresponding to each group according to the sample oral cavity image subset included in each group; according to the first target relation corresponding to the oral cavity width corresponding to the target oral cavity, the second target relation corresponding to the oral cavity width corresponding to the target oral cavity, the tracheal muscle electric signal intensity variable quantity target value and the oral cavity internal space variable quantity target value, the tongue depressor length and the tongue depressor angle during interference on the target oral cavity are obtained. According to the invention, parameters of the mouth gag suitable for a patient during an oropharyngeal operation can be obtained.

The application provides a sputum suction training model, which comprises an airway model, a sputum storage barrel, a sputum suction tube, a sputum conveying device and a sputum suction device; the sputum conveying device comprises a sputum conveying tube connected with the sputum storage barrel and a plurality of sputum output heads arranged in the airway model and connected with the sputum conveying tube; a negative pressure pump is arranged at the sputum output head and used for sucking out the simulated sputum in the sputum storage barrel to the airway model; the outlet of the sputum suction tube is connected with the inlet of the sputum storage barrel; the sputum suction device generates negative pressure, the simulated sputum in the airway model is sucked out through the sputum suction tube and discharged into the sputum storage barrel. The simulated sputum in the sputum storage barrel is sucked out by the negative pressure pump and discharged into the sputum output head to simulate sputum secretion; the sputum suction training through the oral pharynx into the airway is realized; the simulated sputum sucked out by the sputum suction tube is recycled into the sputum storage barrel, so that the waste of the simulated sputum is reduced; and the corresponding negative pressure pump works when sputum suction training is needed at a position of the airway, so that precise training is realized.

The utility model discloses a multi-channel oropharynx ventilation device which comprises two side fixing rods connected to the two sides of a mouth wrapping plate and used for being fixed to the head of a patient, and the mouth wrapping plate is connected with an oral ventilation structure in an inserted mode through bolts. The device has the advantages that the mouth wrapping plate is arranged, so that the device can completely cover the mouth of a patient, ventilation is facilitated, basic conditions are provided for use of a mouth ventilation structure, a ventilation insertion plate is used, and guarantee is provided for emergency ventilation of the patient; the device can be firmly fixed to the head of a patient, the discomfort of the device is reduced through the application of an attaching pad and a hook-and-loop fastener, the device can be supported in the mouth through an oral ventilation structure, the ventilation requirement of the oropharynx is met, width elastic adjustment is achieved through the cooperation of an upper clamping plate, a lower clamping plate and a connecting elastic column, and the device is convenient to use. The length is adjusted and fixed through the cooperation between the mouth wrapping plate and the mouth ventilation structure.

The utility model relates to the technical field of rat dosing, and discloses a rat mouth expanding pharynx dosing device which comprises a dosing needle tube, a medicine pushing piston is installed in the dosing needle tube, the output end of the dosing needle tube is fixedly connected with a connecting tube, the right side of the connecting tube is provided with an installation sleeve, the right side of the installation sleeve is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with the dosing needle tube. The right side of the limiting plate is fixedly connected with an insertion pipe, the interior of the insertion pipe is fixedly connected with a conveying pipe, and the top end and the bottom end of the right side of the limiting plate are movably connected with opening plates. When the oral opening pharynx dosing device for the rat is used for dosing, the intubation tube is inserted into the mouth of the rat until the limiting plate is attached to the mouth of the rat, then the handle is pressed towards the inner side, the positioning buckle on the handle and the positioning clamping groove in the mounting sleeve are clamped and fixed, and the opening plate is opened by the handle to open the pharynx of the rat; the opening state of the rat is kept, administration is convenient, and the problem that the pharynx of the rat is inconvenient to open for administration is solved.

The visual mouth-nose exchange device comprises a main body, a tongue-pressing-shaped front end, a guide wire, a push-pull rod, a limiting block and a lighting device, the main body is provided with an inner cavity, the tongue-pressing-shaped front end forms an outer contour through a round pipe communicated with the inner cavity, and the tongue-pressing-shaped front end and the main body are integrally formed. The push-pull rod is sleeved with a limiting block in a sliding mode, one end of the push-pull rod is inserted into the inner cavity from the rear end of the body, the limiting block is clamped in the inner cavity of the body, and the push-pull rod slides front and back under the limiting effect of the limiting block. The two ends of the guide wire penetrate through the holes to be inserted into the inner cavity to be fixed to the front end of the push-pull rod, a through groove for containing the lighting device is formed in the front end of the body, and the head of a lamp bead of the lighting device is exposed out of the body and rushes to the tongue-pressing-shaped front end. During an operation, the lamp beads widen the visual field of the operation, the risk that the device touches the rear wall of the oral pharynx is reduced, the success rate during extraction is increased, and the pain of a patient is relieved.

This invention provides an adjustable endotracheal intubation mouthguard, belonging to the field of medical device technology. It includes: a retractable auxiliary fixation component, a spiral structure, and a mouthguard fixing plate. The outer layer of the spiral structure is a nut structure, and the inner layer is a bolt structure. The mouthguard fixing plate and the nut structure are integrally molded. One end of the retractable auxiliary fixation component has an anti-slip fixing plate, and the other end is covered with medical-grade silicone. This invention allows for the length of the retractable auxiliary fixation component to be extended or shortened by adjusting the spiral structure, enabling quick adjustment of the mouthguard length. The anti-slip fixing plate prevents the retractable auxiliary fixation component from slipping completely into the oral cavity, endangering patient safety. The use of medical-grade silicone reduces oropharyngeal pressure caused by length differences during mouthguard use.

The utility model discloses a multi-channel oropharyngeal ventilation device for the anesthesiology department, and relates to the technical field of medical equipment. The device comprises a mounting plate, a communicating pipe fixedly penetrates through one side of the mounting plate, two air conveying channels are formed in the communicating pipe, and the two air conveying channels are used for discharging airflow into the mouth of a patient; the device further comprises two gas conveying pipes, one ends of the two gas conveying pipes are fixedly provided with the same sealing cover, and the sealing cover is matched with one end of the communicating pipe in a sealing and clamping mode and used for communicating the two gas conveying pipes with the corresponding gas conveying channels. According to the utility model, through the design of double gas transmission channels, the ventilation efficiency is obviously improved, and the high requirements of the anesthesiology department are met; the fixing assembly ensures stable connection between the communicating pipe and the sealing cover, and mounting and dismounting are convenient; through the arrangement of the drainage channel and the drainage pipe, saliva blockage is effectively prevented; the stability and comfort of the device are enhanced through the soft rubber blocks and the fixing holes, discomfort of a patient is relieved, and the overall performance is excellent.

The invention provides an aerosol bomb and an atomization device, the aerosol bomb comprises an atomization core, a liquid storage element and a suction nozzle, the atomization core is located in the liquid storage element, the suction nozzle is arranged at the top of the liquid storage element, and an airflow channel is arranged between the suction nozzle and the atomization core; the suction nozzle is provided with at least one airflow hole communicated with the airflow channel in an aerial fog mode, and the hole wall of the airflow hole of the suction nozzle comprises a fiber material or a porous structure material. The airflow hole is formed in the suction nozzle, the hole wall of the airflow hole is arranged to be the fiber material or the porous structure material capable of absorbing the large particles of the aerial fog, the large particles in the aerial fog passing through the airflow hole are absorbed, then the large particle proportion of the aerial fog bomb in use is reduced, the large particles are prevented from being deposited on the oropharynx, the mucous membrane barrier is prevented from being damaged, and the service life of the aerial fog bomb is prolonged. The throat is dry and stimulated, and the health risk is reduced; large particles are prevented from being in direct contact with the tongue root, and the smoking taste is improved.

The utility model discloses a total laryngeal postoperative auxiliary sounding device, which comprises a covering part capable of covering the outer opening of a tracheal cannula, the covering part comprises a covering part main body in the middle and sheet parts at the edges of the two sides, the covering part main body on one side of one sheet part is provided with an external threaded hole, one end of the covering part main body is sealed, and the other end of the covering part main body is provided with an opening; a plurality of air holes are formed in a covering part body, a containing cavity is formed in the covering part body and communicated with the opening and the outer threaded hole, and neck fixing parts are detachably arranged on the two sides of the covering part and can be fixed to the neck of a patient. According to the auxiliary sounding device after the total laryngeal surgery, the other end of the auxiliary sounding device can be arranged at the oropharynx part through the corner of the mouth to form a sounding channel during sounding through the rubber tube, so that a patient is assisted in sounding, and a pharyngeal cancer patient after total laryngeal resection is helped to reconstruct the sounding as soon as possible after the surgery; the covering part can cover the outer opening of the trachea cannula, the trachea cannula is isolated from the external environment, and the ventilation function of a patient after total laryngeal resection can be effectively achieved through the ventilation holes.

This invention provides a multi-channel oropharyngeal ventilation device, relating to the field of ventilation device technology, including an installation mechanism. The installation mechanism includes an inner groove and a fixing rod. Two sets of inner grooves are symmetrically arranged at both ends of the rear side of the main body of the installation mechanism, and the inner grooves are connected to the fixing groove at the rear end of the main body. In use, a gastroscopy tube or gastrointestinal delivery tube can be inserted into the patient's throat through the insertion hole and the connecting hole for examination. After use, by rotating the rotating component, the insertion hole can be connected to the unused connecting hole. This design reduces the risk of infection of the connecting hole due to repeated use, solving the problem of imperfect insertion channel structure in oropharyngeal ventilation devices. During use, because gastroscopy or gastric tube delivery is frequently required, the ventilation tube is frequently exposed to air, and its interior is frequently rubbed against medical equipment, increasing the risk of contamination of the ventilation device.

The utility model provides a kind of oral pharynx atlantoaxial vertebra minimally invasive lifting reduction steel plate, and it is related to implantable surgical supplies technical field. Including: steel plate body, steel plate body includes upper crossbeam and the vertical beam fixedly connected with it, the both ends of upper crossbeam are provided with first screw hole, the first screw hole is installed with atlas side block set screw, the end of vertical beam is provided with second screw hole, the second screw hole is installed with pivot vertebra vertebral body set screw, the junction of vertical beam with upper crossbeam is provided with lifting reduction screw hole, lifting reduction screw hole is installed with lifting reduction screw.The reduction steel plate can be used to pull the atlantoaxial dislocation patient who cannot be reduced oral pharynx lysis, then implement the reduction internal fixation operation of front road.

The invention relates to a device for preventing respiratory obstruction in anesthesia nursing operation, which belongs to the technical field of medical instruments and comprises an oropharynx folding pressing plate, an airway intubation channel, an esophagus intubation hole, an esophagus anti-backflow tube, an oral secretion suction hole, a monitoring camera and a central controller. By arranging the anti-respiratory obstruction device which is simultaneously provided with an esophagus anti-backflow blocking structure, an oral secretion infiltration prevention structure and a respiratory tract cleaning monitoring structure, the esophagus anti-backflow pipe is combined with the inner monitor, so that prevention monitoring and timely suction of backflow substances when obstruction occurs can be realized; by means of appropriate pressing of the oropharynx folding pressing plate attached to the oropharynx and combining with the oral secretion suction holes in the oropharynx folding pressing plate, secretions can be removed in real time, obstructed secretions can be prevented from entering the oropharynx and the respiratory tract, breathing is assisted when respiratory obstruction occurs due to the arrangement of the air holes, and finally respiratory obstruction is comprehensively prevented. And the respiratory obstruction can be effectively and quickly treated when appearing.

The utility model relates to a medical tool, and discloses a protective device for preventing oral cavity aspiration, which comprises a grab handle, a mucous membrane fitting part, a connecting part and an anti-drop wing, the grab handle is arranged at the top of the connecting part, the anti-drop wing is arranged at the bottom of the connecting part, the outer surface of the anti-drop wing is conical, the mucous membrane fitting part is arranged between the grab handle and the connecting part, and the connecting part is connected with the connecting part. The outer surface of the mucous membrane attaching part is in an inverted cone shape, the thickness of the mucous membrane attaching part is gradually decreased from inside to outside, and the grab handle, the connecting part and the inner side wall of the anti-falling wing are connected to form a cavity. The soft fixing device made according to the rubber barrier principle can be attached to and sealed with mucous membranes without injuring the mucous membranes, cannot enter the oropharynx part and does not affect intraoral treatment operation, and aims to completely block broken bone chips which are polished by a power system at a high speed and flushed by normal saline at the oropharynx part and prevent the broken bone chips from entering deep parts such as the posterior pharyngeal wall and the piriform fossa. Inconvenience brought to oral cavity cleaning is avoided, any object can be prevented from entering the airway, and the device is suitable for wide application and popularization.

The present invention discloses a multi-channel oropharyngeal ventilation device, including a protective cover and a fixing plate, wherein the fixing plate is arranged on the inner side of the protective cover, a ventilation tube is longitudinally penetrated in the middle of the fixing plate, and a pressure plate is arranged below the ventilation tube; a guide hole for accommodating the ventilation tube is arranged in the middle of the fixing plate, and an inverted "T"-shaped slide groove is connected at the bottom of the guide hole, and the pressure plate longitudinally penetrates the slide groove and slides with the slide groove. The beneficial effect is that the present invention inserts a pressure plate into the oral cavity as a support structure for pressing down the tongue surface before inserting the ventilation tube, and in the process of inserting the ventilation tube into the pharynx under the support of the fixing plate, the gear is driven to rotate by the gradual insertion of the ventilation tube, and the pressure plate is driven to slide outward along the slide groove by the meshing tooth groove of the gear, and the tongue is pulled and dragged outward by the pressure plate pressed against the tongue surface, thereby overcoming the problem of the tongue root being pushed back and falling caused by the ventilation tube passing through the pharynx, and ensuring the unobstructed state of the respiratory tract during the placement of the ventilation tube.