41 results about "Gastrovison" patented technology

The utility model provides a kind of detectable carbon dioxide type glottis upper ventilation structure, including gastroscope bite and ventilation catheter, ventilation catheter and gastroscope bite intercommunication, ventilation catheter intercommunication has multifunctional joint, and multifunctional joint is equipped with oxygen interface, multifunctional joint is also intercommunication with CO2 sampling pipe, and oxygen interface and ventilation catheter intercommunication, CO2 sampling pipe is located in ventilation catheter.In, multifunctional joint includes inner tube and outer tube, and ventilation catheter upper end is inserted into the annular space between inner tube and outer tube and is interconnected with outer tube lower end, and inner tube upper end is connected with CO2 sampling interface, and CO2 sampling pipe is inserted from inner tube lower end and is interconnected with CO2 sampling interface.The utility model can realize oxygen supply and carbon dioxide collection simultaneously or in operation by multifunctional joint during gastroscopy, solve the problem of patient hypoxia in current painless gastroscopy diagnosis and treatment, meet the demand of effective monitoring end-tidal carbon dioxide concentration, and ventilation oxygen supply and carbon dioxide detection can be carried out without stopping gastroscopy.

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.

1. Name of the product in this design: Gastroscopy Camera. 2. Purpose of this design: For use by patients during gastroscopy. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to a streptavidin compound preparation with mucus removing and defoaming functions and a preparation process thereof. The preparation consists of streptavidin, sodium bicarbonate, dimeticone, silicon dioxide, polysorbate 80 and a filler / adhesive. The preparation method comprises the following steps: stirring dimeticone and silicon dioxide at 145-155 DEG C to react for 7-8 hours to form a compound through a step-by-step granulation process, performing wet granulation, mixing active ingredients at low temperature, and finally performing dry granulation and sub-packaging. The method is characterized in that 1) streptavidin and dimeticone synergistically decompose mucin and break bubbles, and double-view interference is synchronously eliminated; the pH value in the stomach is maintained to be 7-10 through sodium bicarbonate, the enzyme activity is guaranteed, step-by-step granulation avoids high-temperature damage to the enzyme structure, and 5-minute rapid disintegration is achieved through the 80-mesh sieve granule control technology. The preoperative process is simplified, the drug synergism is improved, and the preparation is suitable for gastroscopy and other scenes.

The oxygen uptake and carbon dioxide monitoring device for the difficult airway under the gastroscope comprises a cover body and a seam, a guide structure is arranged on the seam and comprises an arc-shaped extending part and a baffle ring, the arc-shaped extending part is fixedly connected to the side portion of the seam, and the baffle ring is arranged on the arc-shaped extending part. A placement channel for guiding a gastroscope pipeline is formed in the arc-shaped extension part; through the design of the structures such as the nip, the arc-shaped extension part and the placement channel, the arc-shaped extension part is arranged on the nip, so that a gastroscope pipeline can enter the throat more smoothly after being guided by the placement channel, stimulation and discomfort to the throat of a patient are reduced, and the comfort and safety of the patient are improved; the guide structure is arranged on the nip, so that a doctor can find a correct insertion path more quickly, discomfort of a patient and additional injury caused by repeated attempts are reduced, time wasted by the repeated attempts can be reduced, and the efficiency of gastroscopy is improved.

The invention belongs to the field of interaction in gastroscopy, and particularly relates to an interactive response touch device for gastroscopy, a circular track mechanism comprises a circular track arranged on an examination bed, and a sliding seat moving along the track is arranged in the circular track; the direction adjusting mechanism comprises a support installed on the sliding base, a protruding first shaft rod is installed on the support, and a rotatable first direction adjusting table is arranged outside the first shaft rod. A touch control device for interactive response of medical staff in gastroscopy is built through the circular track mechanism, the direction adjusting mechanism, the protective frame mechanism, the display screen and the interactive end base, the circular track mechanism and the direction adjusting mechanism are matched to adapt to patients of any body type, and the display screen can be adjusted to the angle right facing the patients under any body position; in the interaction process during examination, a patient can know how to answer the inquiry of a doctor according to the indication of the display screen, and can actively communicate with the doctor when the inquiry is improper, so that the problem of inconvenience in speaking during gastroscopy is solved, and the doctor responds in time according to the instruction to complete efficient and accurate interaction response during examination.

Proposed is a gastroscopy area indication method that includes loading a gastroscopy image analysis model and setting an analysis condition of the analysis model by a model loading / condition setting part, initializing an analysis screen and displaying a picture of a normal stomach by a controller, preprocessing, by an image preprocessing part, a gastroscopy image received through an image receiving part so that subsequent image analysis is smoothly performed, analyzing the preprocessed gastroscopy image by an image analysis part by using the image analysis model based on AI, detecting and indicating, on the basis of a result of analysis by the image analysis part, at least one selected from a group of an examination area, a hernia area, and a lesion area in the gastroscopy image, and providing, by the controller, the result of analysis performed by the image analysis part.

The invention provides application of a biomarker in preparation of a product for predicting damp-heat syndrome of chronic atrophic gastritis, and the biomarker comprises TM7x bacteria, and further comprises at least one of kiwifruit bacteria, actinomycetes, twin coccus and phenylacetic acid. Compared with traditional gastroscopy, the tongue coating biomarker obtained by screening through a bioinformatics method provides a non-invasive diagnosis method, so that the compliance of a patient is improved. According to the method, the medical cost is reduced, the diagnosis feasibility and accuracy are improved, and the method not only can be used for diagnosing the chronic atrophic gastritis damp-heat syndrome, but also can be popularized to early screening and prevention.

The invention belongs to the technical field of gastroscopy, and particularly relates to an auxiliary device for gastroesophageal reflux examination, which comprises an expansion and shrinkage sleeve assembly and a gastroscope assembly, the diameter of the expansion and shrinkage sleeve assembly can be changed, when the diameter of the expansion and shrinkage sleeve assembly is at the minimum value, the diameter of the expansion and shrinkage sleeve assembly is smaller than that of the gastroscope assembly, and when the diameter of the expansion and shrinkage sleeve assembly is at the minimum value, the diameter of the gastroscope assembly is smaller than that of the gastroscope assembly. When the diameter of the expansion and shrinkage sleeve assembly is at the maximum value, the gastroscope assembly can be inserted into the expansion and shrinkage sleeve assembly in a sliding mode. The double-layer cannula insertion structure is adopted, firstly, the expansion and shrinkage cannula assembly which is small in diameter and is in a shrinkage state is inserted into the esophagus, and therefore the discomfort of a patient is reduced; then, the expansion-shrinkage sleeve assembly is unfolded and converted into a hollow tube structure with a larger diameter from a folded and shrunk state, and then the gastroscope assembly is inserted into the expansion-shrinkage sleeve assembly, so that insertion of the gastroscope is completed.

The utility model relates to the technical field of medical supplies, in particular to a gastroscopy bag for stomach illness examination, which comprises a gastroscopy bag bottom, a dust cover, a liner, a waterproof film and a T-shaped partition plate, the dust cover is arranged at the top of the gastroscopy bag bottom, a built-in tray is arranged on one side of the T-shaped partition plate, and the waterproof film is arranged on the other side of the T-shaped partition plate. A liner made of medical-grade non-woven fabric is arranged at the inner bottom of the built-in tray; a T-shaped partition plate is fixed in the dustproof cover, a first inserting groove is formed in the bottom of the gastroscopy bag bottom, and a second inserting groove is formed in the inner side of the dustproof cover; the novel gastroscopy bag is provided with a structure for carrying out anti-collision and anti-abrasion protection on the gastroscope, damage to the gastroscope in the process of taking and placing the gastroscope is avoided, the function of preventing water or corrosive liquid from permeating into the gastroscopy bag from the bottom of the gastroscopy bag is achieved, and then the practicability can be effectively improved.

The anaesthetic mask for the painless gastroscope comprises a mask body, a shaping module is arranged on the outer wall of one side of the mask body and comprises a fixing ring, the outer wall of one side of the fixing ring is fixedly connected with the outer wall of one side of the mask body, a fixing assembly is arranged on the outer wall of the fixing ring, a round hole is formed in the outer wall of one side of the mask body, and the fixing assembly is arranged in the round hole. The inner wall of the round hole is fixedly connected with a pipe fixing sleeve, the inner wall of the pipe fixing sleeve is fixedly connected with an anesthesia pipe opening, and three oxygen conveying holes are formed in the outer wall of one side of the mask. According to the anesthetic mask for the painless gastroscope, the sealing capacity of equipment in the working process is improved, and the problem that an existing anesthetic mask for the painless gastroscope cannot be adjusted according to facial features of a patient is solved by arranging the shaping assembly; and the risk of hypoxemia occurring in the gastroscopy process of a patient is greatly reduced, and the requirement of existing medical treatment is better met.

The invention discloses an anaesthetic mask for gastroscopy, and belongs to the technical field of gastroscopy, the anaesthetic mask comprises a mask body, a mounting hole is formed in the middle of the mask body, an anti-biting double-tube laryngeal mask is fixedly and hermetically connected in the mounting hole, a connecting port is formed in the mask body, an attaching air bag is arranged at the edge of the mask body, and the attaching air bag is connected with the connecting port. The attaching air bags are annularly and continuously distributed along the edge of the mask body, a plurality of pneumatic attaching mechanisms are arranged on the outer wall of the mask body and extend from the edge of the mounting hole to the edge of the mask body, and a pressing air supply mechanism is arranged on the upper wall of the mask body. According to the anesthetic mask for gastroscopy, the laryngeal mask is integrated in the mask, the gastroscope channel and the ventilation channel which are separated are arranged, and ventilation or pressurized oxygen supply can be maintained under the condition that a gastroscope is not taken out.

The invention belongs to the technical field of medical instruments, and particularly relates to a mouth dilator for gastroscopy, which comprises a gastroscope guide tube, and a water absorption structure is slidably mounted on the outer side of the gastroscope guide tube; the water absorption structure comprises a first sliding sleeve, the first sliding sleeve is slidably mounted on the outer side of the gastroscope guide tube, a water absorption plate is fixed to the bottom of the first sliding sleeve, a water absorption hole is formed in the bottom face of one end of the first sliding sleeve, a sterile water absorption cotton pad is arranged in the water absorption plate, and an extrusion sliding plate is slidably mounted at one end in the water absorption plate. A water filtering extrusion plate is fixed at the other end in the water absorption plate, and a sterile water absorption cotton pad is mounted between the extrusion sliding plate and the water filtering extrusion plate; and the tooth supporting structure comprises a second sliding sleeve. The gastroscope is provided with the sterile cotton pad capable of adsorbing saliva, saturated saliva can be led out of the oral cavity in an extrusion mode, the sterile cotton pad has the function of repeatedly absorbing saliva, the sterile cotton pad does not need to be replaced, gastroscope operation is not interrupted, and the possibility of contamination is also reduced.

A gastroscopic method and instrument for treating obesity of a patient, using a device adapted to stretch a part of the stomach wall of said patient. The method comprises the steps of: inserting the device into the stomach through the esophagus, placing the device in contact with the stomach wall, and fixating the device to the stomach wall such that the device can stretch a part of the stomach wall.

The present application belongs to the technical field of gastroscopy, and particularly relates to an auxiliary device for gastroesophageal reflux examination, which comprises an expandable sleeve assembly and a gastroscope assembly. The diameter of the expandable sleeve assembly can be changed. When the diameter of the expandable sleeve assembly is at a minimum value, the diameter of the expandable sleeve assembly is smaller than that of the gastroscope assembly. When the diameter of the expandable sleeve assembly is at a maximum value, the gastroscope assembly can be slidably inserted into the inside of the expandable sleeve assembly. The present application adopts a double-layer sleeve insertion structure. First, the expandable sleeve assembly in a contracted state with a smaller diameter is inserted into the esophagus to reduce the discomfort of the patient. Then, the expandable sleeve assembly is unfolded from the folded and contracted state to a hollow tube structure with a larger diameter. Then, the gastroscope assembly is inserted into the inside of the expandable sleeve assembly to complete the insertion of the gastroscope.

The utility model discloses an auxiliary supporting device for gastroscopy, which belongs to the technical field of gastroscopy and comprises a mounting plate, an upper supporting plate and a lower supporting plate are hinged to one side of the mounting plate, and an oral cavity supporting mechanism is hinged between the upper supporting plate and the lower supporting plate. A mounting cavity and an avoiding cavity are formed in one side of the mounting plate, a gastroscope tube limiting mechanism is mounted on the inner wall of the mounting cavity and comprises a threaded rod, the threaded rod is rotatably mounted at the inner end of the mounting cavity, and a threaded sleeve is in threaded connection with the outer wall of the threaded rod. The device can assist in supporting the oral cavity during gastroscopy through the oral cavity supporting mechanism, can limit the gastroscope tube through the gastroscope tube limiting mechanism, and can be suitable for gastroscope tubes with different sizes and thicknesses, so that the practicability is enhanced, and the operation cost is reduced.

The utility model provides instrument disinfection equipment for gastrointestinal endoscopy. The instrument disinfection equipment comprises a disinfection cabinet, the device can be installed in an operating room, the endoscope main body can be fixed to the connecting frame through mutual cooperation of the top frame, the connecting frame and the bottom plate, the first servo motor drives the top frame to rotate, automatic rotation of the endoscope main body is achieved, convenience is provided for follow-up comprehensive disinfection of the endoscope main body, and the operation efficiency is improved. The ultraviolet lamp tube, the liquid spraying head and the air spraying head can serve as main disinfection tools, and the second servo motor drives the reciprocating lead screw to rotate so that the ultraviolet lamp tube, the liquid spraying head and the air spraying head which are connected with the lamp panel can be controlled to move up and down. The disinfection technology that the endoscope body is sterilized through ultraviolet rays, disinfected through cleaning liquid and rapidly air-dried through inert gas is achieved, the endoscope body is prevented from making contact with the external environment, the endoscope body is taken out only when gastroscopy is needed, the endoscope body is prevented from being stained with dust and germs in air, and safety inspection is facilitated.

The utility model relates to the technical field of nursing protective pads, and discloses a nursing protective pad for gastroscopy, which comprises a nursing pad mechanism, the front side of the nursing pad mechanism is fixedly connected with a storage mechanism, the nursing pad mechanism and the storage mechanism are matched to form a pocket shape, the nursing pad mechanism comprises a nursing pad body, and the storage mechanism is fixedly connected with the nursing pad body. A neck ring hole is formed in the nursing pad body, the neck ring hole is provided with an opening, a fastening mechanism is arranged at the opening of the neck ring hole to seal the opening of the neck ring hole, the diameter of the neck ring hole is changed, and the neck ring hole is formed in the nursing pad body so that the nursing pad body can be arranged on the neck of a patient in a sleeving mode. According to the gastroscopy nursing pad, the sewing piece is sewn on the front face of the nursing pad body, the sewing piece and the nursing pad body form a pocket, when a patient is subjected to gastroscopy, a small amount of secreta can be directly absorbed by the nursing pad body, and when the secreta are too much, the secreta can flow into the pocket, so that side leakage is avoided, and the effect of avoiding side leakage is achieved.

The invention discloses a digestive gastroscopy auxiliary device, and relates to the technical field of medical auxiliary instruments, the digestive gastroscopy auxiliary device comprises a detection shell, ear parts are integrally formed at two ends of the detection shell, movable shafts are rotatably connected in the ear parts at two sides, opening blocks are arranged on the outer sides of the movable shafts at two sides, rubber pads are arranged in the opening blocks at two sides, and the detection shell sinks inwards to form an open groove; a cleaning mechanism is arranged on the outer side of the detection shell and used for cleaning the gastroscope tube, the gastroscope further comprises an adjusting mechanism and a connecting assembly, mucus on the outer wall of the gastroscope tube can be effectively scraped off through the cleaning mechanism, the mucus is prevented from remaining on the gastroscope tube, and therefore the risk of cross infection is reduced; therefore, the opening block can deflect, the oral cavity can move to a certain degree, and the comfort of a patient in actual use is guaranteed.

The utility model relates to a saliva pad for gastroscopy, which comprises an occlusion body and a water absorption structure attached to the curve of the lower jaw, a flow guide body for guiding saliva to enter the water absorption structure is formed at the edge of the water absorption structure, and the flow guide body is a turned edge which protrudes out of the curve of the lower jaw and is turned towards the oral cavity. According to the technical scheme, the flow guide body formed by the turnup is close to the periphery of the lower jaw, saliva is guided into the water absorption structure, and the saliva can be prevented from spreading and seeping out; the bottom waterproof layer is efficient and waterproof, and reverse osmosis of saliva is prevented. The clothes, bedclothes and pillowcases are not stained, and the clothes and the bedclothes are kept clean all the time.

The invention provides a gastric cancer detection method and system for detecting serum VOCs based on GC-IMS, and belongs to the field of biomedical detection. The method comprises the following steps: collecting a serum sample of a subject; detecting the serum sample by using a gas chromatography-ion mobility spectrometry system to obtain a two-dimensional ion mobility spectrogram of the volatile organic compound; the volatile organic compound signals in the spectrogram are analyzed, and qualitative and quantitative analysis is carried out by comparing retention time and migration time with a standard database; a statistical method is adopted to screen out volatile organic compounds with significant differences, a machine learning diagnosis model is constructed, and model performance is optimized through cross validation; and selecting an optimal volatile organic compound combination and a machine learning model for early detection of gastric cancer. According to the invention, pains and risks of traditional gastroscopy are avoided, the acceptability and compliance of patients are greatly improved, and the detection rate of early gastric cancer is remarkably improved.

The utility model discloses a gastroscope tube fixing structure, and relates to the technical field of medical equipment, the gastroscope tube fixing structure comprises a substrate, the bottom surface of the substrate is fixedly connected with a base, the bottom surface of the base is fixedly connected with an extension hose, and the extension hose can extend to the throat of a patient to avoid retching caused by contact when a gastroscope tube extends. The size of the gastroscope tube needing to be used is selected through the detaching plate slidably connected into the base plate, when a gastroscope is carried out, the extending hose is inserted into the oral cavity of a patient, teeth of the patient bite the bite nets on the two sides, then the gastroscope tube passes through the penetrating opening, and the gastroscope tube is inserted into the oral cavity of the patient. The gastroscope tube extends to the opposite faces of the two sliding blocks through the working openings in the two sides, the tail end of the gastroscope tube can be stably inserted into the human body through biting of a patient, the phenomenon that the gastroscope tube makes contact with the throat of the patient when extending, and consequently retching is caused is avoided, meanwhile, the extending hose extends the throat of the patient, and the probability of throat injury caused by friction when the gastroscope tube moves is reduced; and the gastroscopy work can be carried out more easily and smoothly.

The utility model relates to the technical field of medical instruments, and discloses a gastroscopy auxiliary device which comprises a mask, a fixing pad is fixedly installed on the outer wall of the mask, a liquid outlet hole is formed in the side wall of the mask, and a conveying pipe is fixedly installed on the outer wall of the liquid outlet hole. The breathing hose with the check valve is inserted into the nasal cavity of a patient, so that the patient can only inhale with the nose and exhale with the mouth in the gastroscopy process, the patient can quickly master the skills of inhale with the nose and exhale with the mouth, and the pain of the patient is relieved; a large amount of saliva secreted by a patient in the examination process can be conveyed into the collector through the cooperation of the liquid outlet hole and the conveying pipe, a disposable middle pad laid between the face of the patient and a sickbed in the existing gastroscopy process is replaced, the situation that the saliva flows to the sickbed and even the floor to cause cross infection is effectively avoided, and the collector can be rapidly replaced and is convenient to use. And the practicability is very high.

The utility model particularly relates to an oral cavity auxiliary device for gastroscopy. The oral cavity auxiliary device comprises a biting device, a silica gel soft tooth socket and an elastic bandage, the front end of the bite device is provided with a bite device front baffle, the upper end and the lower end of the bite device front baffle are symmetrically provided with silica gel soft tooth socket fixing grooves, the left end and the right end of the bite device front baffle are symmetrically provided with bandage fixing buckles, and the center of the bite device front baffle is provided with a lens inlet; a hollow biting part is arranged at the rear end of the biting device, a gear blocking ring is arranged on the outer side of the biting part, and a space for biting is formed between the gear blocking ring and a front baffle of the biting device; a tongue pressing body is arranged at the tail end, far away from the biting device front baffle, of the biting part; a silica gel soft tooth socket ring is arranged on the lip side of the silica gel soft tooth socket and can be matched with the silica gel soft tooth socket fixing groove; a plurality of bandage fixing holes are formed in the elastic bandage and can be matched with the bandage fixing buckles.

The utility model discloses a gingival protection type gastroscope oral pad which comprises a hollow tube body, an extraoral separation blade and a soft rubber sleeve. Openings are formed in the front and rear ends of the hollow pipe body; the outside-mouth separation blade is fixedly arranged on the outer wall of the front middle part of the hollow pipe body in a surrounding manner; and the soft rubber sleeve is fixedly sleeved outside the rear part of the hollow pipe body, and a circle of anti-falling outer edge A is arranged on the outer wall of the rear end of the soft rubber sleeve in an outward convex manner. The soft rubber sleeve has the advantages that the soft rubber sleeve is made of soft rubber materials, when teeth of a patient are meshed outside the soft rubber sleeve, the soft rubber sleeve is good in flexibility, so that the teeth of the patient are not prone to being hurt in a jacking mode, especially when the patient with movable false teeth or false tooth sockets is subjected to gastroscopy, the movable false teeth or the false tooth sockets need to be taken down, at the moment, gums of the patient can be exposed outside, and the patient cannot be damaged. When the soft rubber sleeve made of the soft rubber material and used for occlusion is used for a certain period of time, the gingiva part of the soft rubber sleeve is not prone to being hurt by pushing, discomfort such as pain is not prone to being generated, and related patients feel very comfortable when using the soft rubber sleeve, so that the soft rubber sleeve can be used by the patients with healthy teeth and can also be used by the patients with the healthy teeth. And the device is particularly suitable for patients with movable false teeth or false tooth sockets, so that the device is high in adaptability during use.

The present application relates to the technical field of medical information technology and clinical risk prediction, in particular to a gastric retention risk prediction system based on a machine learning model and a construction method thereof, the system comprising a data acquisition module, a feature processing module and a risk prediction module, wherein the feature processing module is based on 12 clinical features screened by LASSO regression, and the risk prediction module adopts an extreme gradient boosting model constructed by an SMOTE enhanced training queue to output a gastric retention risk probability value; the present application integrates 12 key features collected by clinical routine, and introduces a SHAP algorithm to realize visualized explanation of the model decision process, thereby providing a precise and interpretable individualized risk assessment tool before gastroscopy.

The invention relates to the technical field of medical instruments, in particular to an auxiliary mouth expanding device for gastroscopy, which comprises a fixing block, a pair of mounting blocks is mounted at the upper end of the fixing block, expanding assemblies are arranged in the mounting blocks, and each expanding assembly comprises a sliding groove, a guide shaft, an expanding frame, a guide rod and an expanding block, the multiple guide shafts and the multiple guide rods are installed in the sliding grooves, the pair of expansion frames are slidably connected to the circumferential faces of the guide shafts, supporting mechanisms are installed on the surfaces of the expansion frames, first springs are installed between the expansion frames and the installation blocks, the pair of expansion blocks are slidably connected to the circumferential faces of the guide rods, and sliding plates are slidably connected into the expansion frames. According to the mouth dilator, through the action of the dilation assembly and the locking mechanism, when the mouth of a patient is dilated, the mouth of the patient can perform occlusion movement within a certain range, and the situation that the mouth of the patient is kept unchanged for a long time, and the muscle fatigue of the mouth occurs is avoided.

The invention discloses a mask assembly for gastroscopy, and relates to the technical field of masks for gastroscopy. The face mask comprises a face mask body and further comprises two first binding belts fixedly connected to the side face of the face mask body, a mouthpiece is fixedly connected to the back face of the face mask body, the front end of the mouthpiece is communicated with the front side face of the face mask body, the interior of the face mask body is of a center hole design, and the front face of the face mask body is communicated with an oxygen pipe. By means of the mistaken inhalation prevention oxygen supply unit, the two nasal plug tubes can be plugged into the two nostrils of a patient respectively, so that the peripheral faces of the nasal plug tubes abut against the nasal cavities of the patient, and secretions flowing into the mask body from the mouth of the patient can be effectively prevented from being inhaled into the nasal cavities in the breathing process of the patient; therefore, bucking and oxygen deficit caused by the fact that secretions enter the respiratory tract of the patient are avoided, it is guaranteed that gastroscopy can be conducted smoothly and safely, and safety and reliability of the mask assembly are effectively improved.

The invention relates to the technical field of throat oxygen supply, in particular to a seaming device for throat oxygen supply in the anesthesia process of gastroscopy, which comprises a main body ring, a connecting belt is fixedly connected to the side surface of the main body ring, and a balance oxygen supply mechanism for supplying oxygen and inhaling air to the throat is arranged at the end part of the main body ring. The balance oxygen supply mechanism comprises a first through hole formed in the end of the main body ring, a first fixing pipe is arranged in the first through hole of the main body ring in a sliding mode, a fixing body is arranged at the end of the first fixing pipe, and a connecting ring is fixedly connected to the end of the fixing body; the end part of the main body ring is fixedly connected with a nasal cavity collecting mechanism for absorbing nasal cavity gas; the first diaphragm flow meter can detect the volume of exhaled gas, and the volume of oxygen exhaled by the oxygen supply mechanism is consistent with the volume of the exhaled gas, so that the gas balance in the inner cavity of the body of the patient can be ensured, and the discomfort of the patient is reduced.