167 results about "Tongue depressor" patented technology

The invention discloses a sublingual collateral feature extraction and pathological analysis system and method, and relates to the technical field of traditional Chinese medicine tongue diagnosis. Dynamic pressure is applied to the sublingual through a miniature ultrasonic array arranged in a tongue depressor, and meanwhile, an annular polarization multispectral light source is started; an ultrasonic echo signal, a photoacoustic pressure wave and an anti-reflection multispectral image are collected to generate a time-space synchronous fusion data set, and further through a compressed sensing reconstruction algorithm, a biomechanical feedback engine, an acousto-optic thrombus analysis module and the like, the thrombus is reconstructed. According to the four-dimensional pathological risk assessment map generation method and system, the limitation of traditional static detection is overcome, dynamic coupling assessment of blood vessel biomechanical characteristics and thrombosis is achieved, and the risk assessment map generation method and system have the advantages of being high in accuracy, high in accuracy and high in reliability. And the clinical applicability and the diagnosis efficiency of sublingual vein analysis are remarkably improved.

1. The name of this design product: tongue depressor. 2. Purpose of this design product: used for tongue depressing to examine the oral cavity. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

1. The name of this design product: Electric stimulation tongue pressure therapy head. 2. Purpose of this design product: A tongue depressor used to electrically stimulate the tongue muscles inside the oral cavity. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design.

The utility model relates to the technical field of livestock feeding equipment, and discloses a bovine rumen fluid collecting device, which comprises a main body structure and a moving structure, the bottom of the main body structure is provided with the moving structure, the main body structure comprises a rubber tooth socket, the bottom of the rubber tooth socket is fixedly connected with a tongue depressor, and the tongue depressor is fixedly connected with the moving structure. The outer wall of the left side of the rubber tooth socket is fixedly connected with a first fastening belt, the outer wall of the right side of the rubber tooth socket is fixedly connected with a second fastening belt, the rubber tooth socket is arranged to avoid the problem that the liquid extraction pipe is bitten off or flattened due to chewing of cattle, the tongue depressor is arranged to abut against the tongue of the cattle, the rubber tooth socket is prevented from being spitted out by the cattle, and the tooth socket is convenient to use. The rubber tooth socket is fixed to the mouth of the cattle through the first fastening belt and the second fastening belt, a worker does not need to open the mouth of the cattle all the time, time and labor are saved, the liquid extraction pipe is inserted into the stomach of the cattle through the through hole in the rubber tooth socket, the liquid extraction pump is started to extract the rumen fluid, the rumen fluid collection difficulty is lowered, and the working efficiency is improved.

The utility model relates to the technical field of medical auxiliary instruments, in particular to an oral cavity mouth gag capable of being provided with a tongue depressor. The tongue depressor mounting seat comprises a connecting seat and a fixing steel plate, the connecting seat is fixed on the connecting shaft of the mouth gag body, one end of the fixing steel plate is fixed on the connecting seat, the other end of the fixing steel plate extends to the opening and closing end of the corresponding mouth gag body, an inserting groove is formed in the lower surface of the fixing steel plate, and the inserting groove extends in the extending direction of the fixing steel plate; the slot forms a notch at the end part of the fixed steel plate; and the tail part of the tongue depressor is inserted into the slot. The opening and closing ends of the mouth gag are respectively supported between the upper teeth and the lower teeth of the oral cavity to open the oral cavity, and the bent tongue depressor extends into the oral cavity to press the tongue, so that a doctor does not need to operate the mouth gag with one hand and use the independent tongue depressor with the other hand, and the workload of the doctor is effectively reduced; compared with manual fixation, the tongue depressor is more stable after being fixed.

The utility model relates to the technical field of medical instruments, in particular to a laryngoscope which comprises a handle, a tongue pressing piece connected to one end of the handle and a display device connected to the other end of the handle, the tongue pressing piece is provided with a first installation cavity, and a camera, a first laser emitting head and a second laser emitting head are arranged in the first installation cavity. The first laser emission head and the second laser emission head are respectively used for emitting a first laser beam and a second laser beam which are arranged in parallel at an interval to the glottis of a human body, and the shooting direction of the camera is parallel to the first laser beam and the second laser beam; the first laser beam and the second laser beam irradiate the glottis of a patient to form two light spots with the fixed distance, the first laser beam, the second laser beam and the two light spots and the light beam can be displayed in a display picture of the display device, and the two light spots, the first laser beam and the second laser beam can provide references for doctors. A doctor can conveniently judge the glottis size of a patient, and then the doctor can conveniently determine the specification of the tracheal catheter.

1. The name of the design product: tongue scraper (Z26). 2. The use of the design product: for tongue brush. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view 1.

The invention relates to the technical field of pediatric medical treatment, in particular to a child tongue depressor which comprises a handle and a pressing plate, the handle is hinged to the pressing plate, a liquid drainage cavity is formed in the side, close to the handle, of the pressing plate, a plurality of negative pressure holes are formed in the bottom of the side, away from the liquid drainage cavity, of the pressing plate, and a Y-shaped flow dividing channel is formed in the pressing plate. The shunting channel comprises a main channel and auxiliary channels which are symmetrically arranged, and the negative pressure holes are communicated with the auxiliary channels; a sensing assembly used for sensing that the tongue is swallowing normally or vomiting reflex is caused by foreign matter is arranged in the main channel, and the side, away from the pressing plate, of the handle is detachably connected with a syrup storage bag. The syrup storage bag communicates with a conveying assembly used for automatically conveying syrup to the mouth of the child to reduce rejection when the induction assembly induces that the child vomiting reflex occurs, and the end, away from the syrup storage bag, of the conveying assembly communicates with the liquid drainage cavity. In the oral examination process, the vomiting reflex is relieved through instant sensing of children vomiting reflex and syrup conveying, and the diagnosis and treatment comfort is effectively improved.

The embodiment of the utility model discloses a children sputum aspirator which comprises a sputum storage bottle, a connecting pipe, a sputum suction pipe A and a sputum suction pipe B are connected to a bottle cap of the sputum storage bottle, and one end of the connecting pipe is communicated with a negative pressure machine. One end of the sputum suction tube B is connected with a sputum suction head, the sputum suction head comprises a tongue depressor of an oval structure, a guide hole is formed in the middle of the tongue depressor, a negative pressure cavity is formed in the tongue depressor, and the sputum suction tube B is communicated with the interior of the negative pressure cavity; a sputum suction hole communicated with the negative pressure cavity is formed in the surface of the upper portion of the tongue depressor. According to the sputum aspirator, the tongue depressor is placed in the oral cavity of a child, and then the sputum suction tube A is inserted from the guide hole, so that the child cannot bite the sputum suction tube A, the effect of smooth guide can be achieved, the oral cavity of the child cannot be injured, and smooth sputum suction can be conducted; by arranging the negative pressure cavity and the sputum suction hole, saliva and sputum in the oral cavity of the child can be sucked away in time, and the child cannot be choked.

The invention discloses a tightness-adjustable self-unloading gastroscope mouthpiece, which comprises an arc-shaped plate, a hole is formed in the middle of the arc-shaped plate and is fixedly connected with the biting device; rotating shafts are symmetrically arranged on the two sides of the lower portion of the front end of the biting device and rotationally connected with tongue pressing rods; the tongue pressing rod is fixedly connected with the rear end of the tongue pressing plate, and torsion springs are symmetrically arranged on the two sides. One end of the torsion spring is fixedly connected with the tongue depressor, and the other end is fixedly connected with the rotating shaft; the tongue depressor is connected with the bite device body through the torsion spring and can press the tongue downwards in a self-adaptive mode, and the problem that a traditional bite device cannot manage the tongue and consequently the tongue falls backwards is effectively solved.

The utility model discloses a tongue depressor cleaning mounting rack, a wave-shaped structure of a first limiting part is composed of first concave sections and first convex sections which are alternated, and a wave-shaped structure of a second limiting part is composed of second concave sections and second convex sections, so that periodically repeated clamping groove spaces are formed; each clamping groove is defined by the two separation portions, the first concave section and the second concave section, the size of each clamping groove is matched with the thickness and the width of a single tongue depressor, due to the design, each tongue depressor can be independently fixed and is prevented from being stacked or making contact, then the first concave section and the second concave section are only in linear contact with the two side faces of the tongue depressor, the contact area is reduced by about 70%-80%, and the tongue depressor is not prone to falling off. According to the tongue depressor cleaning device, the shielding area is obviously reduced, the contact surface is minimized, the surface of the tongue depressor can make full contact with the cleaning medium, and therefore the cleaning difficulty is reduced, the cleaning efficiency is improved, and cleaning dead corners are avoided.

The utility model belongs to the field of medical equipment, and particularly relates to a mouth holding device for radiotherapy, which comprises an upper support plate and a lower support plate, two sides of the upper support plate and the lower support plate are connected through arc-shaped plates, grooves are arranged on the end faces of the upper side face of the upper support plate and the lower side face of the lower support plate, and the arc-shaped plates are arranged in the grooves. A fixing hole is formed in the bottom of the groove, and the rear side of the lower supporting plate extends backwards to form a tongue depressor. The mouth holding device is high in universality, rapid in personalized manufacturing and low in cost, and meets the requirements of radiotherapy for fixing precision and repeatability.

Throat specimen collection devices and methods of using the same are provided. In certain embodiments, a throat specimen collection device includes i) a tongue depressor configured to restrain a subject's tongue, and ii) a collection container including an elongate member and a collection member, where the elongate member is positioned to depress the subject's tongue when the tongue depressor is positioned to depress the subject's tongue and the collection container is in a collection position. The acquisition component touches a subject's throat and acquires a throat specimen from the subject. Also provided is a method of collecting a throat specimen, the method comprising applying the throat specimen collection device to a mouth of a subject and collecting the throat specimen.

The utility model discloses an oral cavity dilator for oral cavity nursing, and relates to the technical field of oral cavity nursing. The utility model provides an oral cavity expander for oral cavity nursing, which comprises two transversely symmetrical expanding blocks, the two transversely symmetrical expanding blocks are fixedly connected with connecting blocks, and one sides, far away from each other, of the two transversely symmetrical expanding blocks are fixedly connected with head sleeving plates. The device is worn on the head of a patient, the oral cavity of the patient is expanded through the expanding block, the tongue of the patient is pressed through the tongue depressor for limiting, the situation that the visual field of a worker is affected due to the fact that the tongue of the patient moves randomly is avoided, and in the nursing process, if the patient secretes saliva, the saliva in the oral cavity of the patient can be directly extracted through the liquid extraction pipe by pressing the suction air bag; after the device is used, the liquid suction pipe and the suction air bag are detached from the device, so that a worker can conveniently clean the liquid suction pipe, the suction air bag, the opening block, the connecting block and other components, and sanitation dead angles are avoided.

The utility model belongs to the field of medical instruments, and particularly relates to a buccal device suitable for nasopharyngeal carcinoma radiotherapy, which comprises a Y-shaped supporting rod, the Y-shaped supporting rod is of a hollow structure, the bottom of the Y-shaped supporting rod is in threaded connection with a balloon, a one-way valve is fixedly mounted in an inner cavity of the balloon, and the one-way valve is connected with the Y-shaped supporting rod. Two alveolar cavity bite pads are fixedly mounted on the inner side of the Y-shaped supporting rod; according to the tongue muscle training device, the Y-shaped supporting rod is matched with the tooth groove biting pad, the tongue muscle training device can be suitable for mouth shapes of different sizes, in the using process, the tooth groove biting pad is bitten by teeth and is not prone to sliding, the tongue of a patient can be efficiently positioned through matching of the shaking block and the tongue muscle training block, and tongue muscle training of the patient is facilitated; the problems that an existing oral device for radiotherapy is prone to sliding in the mouth of a patient, a tongue depressor wound with adhesive tape or a small medicine bottle needs to be stuffed into the mouth of the patient to achieve the effects of opening the mouth and fixing the tongue, the mode is not standard, and the effects of opening the mouth and fixing the tongue are not ideal are solved.

The utility model relates to a liquid medicine spraying device for oral treatment of children, which comprises a liquid storage part, a placing sleeve arranged on the lower side of the right part of the liquid storage part, a liquid spraying pipe clamped on the placing sleeve, a tongue pressing disc connected to the lower side of the left part of the liquid spraying pipe, a connector connected to the left side of the liquid storage part, and an air bag arranged on the upper part of the liquid storage part. An adjusting air valve is installed on the upper side of the left portion of the liquid storage part and connected with an air bag, a ventilation pipe is connected between the air bag and the right portion of the liquid storage part, light-emitting parts are installed on the front side and the rear side of the left portion of the liquid storage part, and blocking frames are connected to the front side and the rear side of the left portion of the liquid storage part. The adjusting air valve is arranged, the total air outlet amount of the air bag is fixed, the air outlet amount of the right side of the air bag is adjusted by adjusting the size of the air outlet in the left side of the air bag, then the amount of liquid medicine sprayed outwards by the liquid spraying pipe is rapidly adjusted, and after the liquid medicine is sprayed, the liquid spraying pipe is taken down from the connector and clamped in the containing sleeve to be stored. Therefore, the placing space is saved.

The utility model discloses a painless endoscopic diagnosis and treatment bite block with jet ventilation and gas sampling functions, and relates to the technical field of medical auxiliary equipment. The painless endoscope diagnosis and treatment instrument solves the problem that the existing painless endoscope diagnosis and treatment instrument does not have auxiliary ventilation and end-expiratory carbon dioxide monitoring functions during endoscope operation. A tongue pressing pad is arranged below a mouth pad, the head end of the tongue pressing pad is fixedly connected with the inner side face of a fixing pad, and a jet ventilation hole channel and two anti-blocking gas sampling hole channels which are arranged in parallel and penetrate through the head end face and the tail end face of the tongue pressing pad are formed in the tongue pressing pad in the longitudinal direction. The two anti-blocking gas sampling hole channels are located on the left side and the right side of the jet ventilation hole channel, and a jet guide pipe connector and two anti-blocking gas sampling connectors which are in one-to-one correspondence with the jet ventilation hole channel and the two anti-blocking gas sampling hole channels and are communicated with the jet ventilation hole channel and the two anti-blocking gas sampling hole channels are formed in the fixing pad. The utility model is used for implementing assisted respiration and end-expiratory carbon dioxide monitoring technology for a patient under the condition of non-airtight airway management.

The utility model discloses a buccal device for radiotherapy, which belongs to the technical field of medical instruments and comprises a tongue depressor, a tongue depressor and a tongue depressor holder. The buccal cylinder is arranged on the outer side of the tongue depressor in a sliding and sleeving manner; the adjusting unit is connected with the tongue depressor so as to adjust the position of the buccal tube on the tongue depressor; the connecting plate is connected with one end, far away from the buccal tube, of the tongue depressor; one end of the fixing unit is connected with the connecting plate in a relative position adjustable mode, and the other end of the fixing unit is bent to be attached to the jaw. According to the buccal device for radiotherapy, the depth of the tongue depressor extending into the oral cavity can be adjusted, the stability of the buccal device for radiotherapy is improved through the fixing plate, and the fixing position is prevented from being changed.

The present invention belongs to the technical field of oral orthodontics, and specifically relates to an intraoral observation device for oral orthodontic correction, comprising a shell, a sleeve being rotatably connected to the shell, a support plate being fixedly connected to one side of the ring, and a tongue depressor being rotatably connected to the support plate below; a photographing mechanism, the photographing mechanism being rotatably connected to one end of the shell for photographing the interior of the oral cavity; an adjusting mechanism, the adjusting mechanism being slidably connected to the interior of the shell; a demisting mechanism, the demisting mechanism comprising an internal gas-producing portion arranged in the shell, a heating portion being arranged at one end of the gas-producing portion for heating the incoming air; a fixing mechanism, the fixing mechanism comprising an air delivery portion arranged at one end of the shell, and a locking portion arranged inside the shell. The present invention can achieve efficient and accurate observation of the interior of the oral cavity, while meeting the cleanliness and demisting requirements during use, and ensuring the safety and comfort of the patient.

1. Name of the designed product: Japanese pointed steel wire pliers (pointed long leg). 2. Use of the designed product: The design is used for clamping and pulling things, cutting steel wire, and design 2 is used for stripping wire. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention discloses an oral cavity fixing type planting guide plate which comprises a guide plate body and a tongue depressor fixed to the guide plate body and further comprises an oral cavity supporting mechanism and a mouth corner pushing-aside mechanism. The oral cavity supporting mechanism comprises a supporting rod and an abutting part, the height of the supporting rod is adjustable, the top of the supporting rod is connected with the abutting part, and the bottom of the supporting rod is connected with a wedge-shaped block; the mouth corner pushing mechanism comprises a first guide assembly, a moving block, a second guide assembly, two rotating shafts and two driving lever assemblies; the first guide assembly is connected between the tongue depressor and the supporting rod; the moving block is connected to the top of the tongue depressor in a sliding mode and located below the wedge-shaped block, and a wedge-shaped groove matched with the wedge-shaped block is formed in the top of the moving block; the second guide assembly is arranged on the tongue depressor; the elastic reset piece is connected between the tongue depressor and the moving block; by means of the mouth corner pushing-aside mechanism, when the oral cavity is opened through the oral cavity supporting mechanism, the mouth corner can be pulled and pushed aside towards the outer side mouth corner, the operation visual field is exposed, and observation and implantation are facilitated.

This utility model relates to the field of diagnostic and therapeutic instruments, and discloses a multifunctional percussion hammer, including a handle and a hammer head. A U-shaped plate is fixedly installed on the right end of the handle, and a folding rod is rotatably connected to the right end of the U-shaped plate via a pin. The hammer head is fixedly installed on the top right end of the folding rod. A snap-fit ​​mechanism is provided between the U-shaped plate and the folding rod, and a tongue depressor mechanism is provided inside the folding rod. The snap-fit ​​mechanism includes a through hole, a semi-circular slot, and a guide rod. The through hole is opened at the top and bottom of the folding rod and communicates with the inside of the folding rod. The folding rod is fixed by a semi-circular snap-fit ​​block inserted into the semi-circular slot. When not in use, the folding rod can be folded into the U-shaped plate for easy carrying. Because the hammer head is located at the top right end of the folding rod, the force applied during use is perpendicular to the torque required for the rotation of the folding rod, thus preventing the folding rod from rotating under force.

The application discloses a foldable intubation positioning auxiliary device for a pediatric anesthesia department, which comprises a bite plate in an arc shape, a tongue depressor is connected to the side wall of the bite plate through a rotary limiting device, the front end of the tongue depressor is arranged in a downward bending shape, a piezoelectric ceramic sheet is fixedly connected to the bottom side of the front end of the tongue depressor, an intubation opening is formed in the middle part of the bite plate and is arranged in a penetrating mode, a rotating wheel is rotatably connected to the intubation opening, a pressing block is connected to one side of the intubation opening through an elastic pressing device, and one side of the pressing block is close to the rotating wheel. The piezoelectric ceramic sheet is stimulated to vibrate at low intensity to stimulate the laryngeal muscles of a child during intubation by using a mild physical stimulation mode, the glottis is naturally opened, the precision, safety and convenience of intubation operation are improved, and the device is especially suitable for obese children patients with difficulty in glottis exposure.

The utility model discloses a tongue depressor placement box, and relates to the technical field of tongue depressor placement. The device comprises a base plate and a placement box piece arranged on the upper end face of the base plate. The placement box piece is composed of a registration paper box, a dirty tongue depressor box and a cleaning box. The locking mechanism is arranged between the base plate and the placement box piece; and the storage bin is clamped on the inner side of the placement box piece in a sliding manner. The placement box piece comprises the registration paper box, the dirty tongue depressor box and the cleaning box, waste paper generated by registration and a dirty tongue depressor can be fundamentally placed, the placement box piece can be detached by arranging the locking mechanism, and therefore the placement box piece can be conveniently replaced, the application range of the device can be guaranteed, and the use is convenient. The storage bin is made of stainless steel, silica gel resistant to high-pressure disinfection is arranged in the storage bin, and the storage bin can be detached and can be independently taken out for disinfection treatment.

The utility model relates to the technical field of medical instruments, in particular to a disposable laryngoscope blade capable of achieving tracheal intubation and continuous oxygen supply at the same time. The laryngoscope lens mounting structure comprises a laryngoscope lens mounting piece, a laryngoscope lens fixing piece and a laryngoscope lens fixing piece, the tongue depressor is arranged on one side of the laryngoscope blade mounting piece, and the tongue depressor is provided with an air conveying channel; the spraying pipe is tightly attached to the side of the far end of the tongue depressor and located on the upper surface of the laryngoscope blade installation piece, and the spraying pipe is communicated with an output port of an air conveying channel in the tongue depressor. The laryngoscope lens is formed by improving a traditional disposable laryngoscope lens and can be directly compatible with a traditional video laryngoscope, the oxygen therapy function can be achieved through the ventilation channel while tracheal intubation is achieved, compared with the prior art, under the condition that the same function is achieved, the size and the thickness of the laryngoscope lens are reduced, and intubation and other operations in the oral cavity are more convenient.

The invention belongs to the technical field of medical auxiliary equipment, and discloses an endoscope fixing and supporting auxiliary device for the digestive system department, the endoscope fixing and supporting auxiliary device comprises a bedplate, an expanding and supporting assembly and a fixing and supporting assembly, the bedplate is connected with a placing frame, a control center and a mechanical arm group, the expanding and supporting assembly comprises an expanding and supporting base and a tongue depressor, and the expanding and supporting base is connected with a main shaft and a worm; the main shaft is connected with a control knob, a worm gear and a sliding block, the sliding block is connected with an expanding piece, the fixed supporting assembly comprises a fixed supporting base, the fixed supporting base is connected with a barrel and a spring, a suction inner barrel is arranged on the inner side of the barrel, a buffer cavity is formed between the suction inner barrel and the barrel, the suction inner barrel is connected with a piston assembly, and the piston assembly is connected with a linkage plate. The linkage plate is connected with a clamping piece. The expanding and supporting assembly is used for expanding and supporting the position where the endoscope is inserted so that the endoscope can be conveniently inserted; the fixing and supporting assembly is used for clamping, fixing, supporting, buffering and damping the endoscope body, so that the accuracy of the insertion angle and depth of the endoscope is ensured.

The invention relates to the technical field of oral cavity imaging, in particular to an intelligent electronic tongue depressor and a high-precision three-dimensional oral cavity imaging method. According to the structural features of different frames of optical slice images, the local deformation possibility of each matching feature point in each frame of optical slice image is obtained, and matching error feature points forming a deformation target area are screened out; for any frame of optical slice image, according to the local deformation possibility of different matching feature points in the deformation target area, the positions of the different matching feature points in the three-dimensional point cloud model and the change trend of a corresponding moving path when the tongue depressor intersects with the deformation target area, the matching error consistency of the deformation target area on each frame of optical slice image is obtained; and in combination with the point cloud coordinates of the matching error feature points in the deformation target area and the position distribution of the deformation gravity center, obtaining point cloud correction coordinates of the matching error feature points. According to the method, the point cloud correction coordinates of each image deformation area are accurately obtained, and the accuracy of oral cavity three-dimensional model construction is improved.

1. Name of the product in this design: Electric Boiling Sterilizer. 2. Purpose of this design: This product is an electric boiling sterilizer for sterilizing medical instruments such as tweezers, tongue depressors, and glassware. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present disclosure relates to remote medical examination of a patient, and, more specifically, to a remote exam attachment that, along with a user device, may capture images of an anatomical feature for examination of a patient. The remote exam attachment may include a lens and may couple to an examination tool, such as a speculum, a scope, or a tongue depressor, which may be used with a camera of the user device. The user device may be configured to adjust one or more settings of the camera, such as the zoom, field of view, aperture, and / or the like. The user device may further be configured to transmit an image captured in conjunction with the remote exam attachment to another user device. Accordingly, the remote exam attachment, along with the user device, may capture, display, and / or transmit images of an anatomical feature, facilitating remote examination of a patient.

The utility model discloses a kind of bite that can prevent respiratory tract obstruction, it is related to medical instrument technical field. Including bite main part, bite outside extension plate, tongue depressor baffle and tongue depressor main part. Bite main part includes mouth tube and the bite inside baffle and bite outside baffle of mouth tube both sides. Bite outside baffle is connected with bite outside extension plate, another end of bite outside extension plate is connected with tongue depressor baffle, and tongue depressor baffle is equipped with the clamping groove towards bite main part side. Long hole is equipped on bite inside baffle, hole is equipped on bite outside baffle, tongue depressor main part front end passes through hole and long hole, rear end swing is clamped in the clamping groove of tongue depressor baffle. Bite inside baffle and bite outside baffle are equipped with support plate. The device has two independent channels, one is used to accommodate gastroscope tube, and the other is used to accommodate tongue depressor. They do not interfere with each other. Adjusting part is away from bite, and adjusting will not touch patient's mouth during gastroscopy. It has good clinical use effect.