60 results about "Gastrovison" patented technology

The invention discloses an early gastric cancer image recognition method based on evolutionary neural network model compression, relates to the technical field of computer application, and solves theproblems of parameter redundancy in an existing convolutional neural network model and poor real-time performance caused by large calculated amount consumption of the neural network model in an earlygastric cancer recognition process. The method comprises the following steps: collecting an early gastric cancer image data set; training a neural network model; constructing a binary encoding mode toencode parameters in the neural network model; compressing the trained neural network model by using an evolutionary algorithm; and finely adjusting the compressed neural network model, and identifying an early gastric cancer lesion area on a newly input gastroscopy image. According to the invention, the neural network model for detection can be compressed according to the collected gastroscopy image data, so that the efficiency of the neural network model in an early gastric cancer detection task is improved, and the deep neural network method has good real-time performance in the aspect ofearly gastric cancer detection.

The invention discloses a magnetic control capsule gastroscopy vehicle and a control method thereof. The magnetic control capsule gastroscope examination vehicle comprises an examination vehicle body;the examination vehicle body comprises a carriage; the interior of the carriage is divided into a front cavity and a rear cavity through an isolation door, wherein the front cavity and the rear cavity are arranged front and back; the front cavity is a medical staff control area for medical staff movement, and the rear cavity is a patient disinfection and detection area for patient movement; the isolation door is a push-pull type glass isolation door; the front end of the carriage is provided with a front door for entering the front cavity, the rear end of the carriage is provided with a reardoor for entering the rear cavity, and the rear side of the carriage is further provided with a main rear door for sealing the rear end of the rear cavity; an examination couch is detachably mounted in the rear cavity, and a magnetic body movement mechanism is mounted beside the examination couch; and a console is installed in the front cavity and is in control connection with the magnetic body movement mechanism. The gastrointestinal disease general investigation can be flexibly carried out, non-contact examination is realized, the working range and the benefited crowd of the magnetic controlcapsule gastroscopy vehicle are expanded, and medical assistance can be provided in special environments such as infectious diseases and wars.

The invention discloses a gastroscope mucilage compound preparation. The gastroscope mucilage compound preparation comprises the following raw materials according to weight ratio in grams: 0.005-0.01 part of chymotrypsin, 0.05-0.1 part of a sodium bicarbonate powder and 0.615-1.23 parts of a simethicone powder. A preparing method of the gastroscope mucilage compound preparation comprises the following steps: according to the weight ratio, filling the 0.005-0.01 part of chymotrypsin into a bag A, filling the 0.05-0.1 part of the sodium bicarbonate powder into a bag B, filling the 0.615-1.23 parts of the simethicone powder into a bag C, finally, respectively filling the bag A, the bag B and the bag C into a packaging box. The use method is as follows: firstly, one box of the product is fetched five to ten minutes before gastroscope examinations, the bag A, bag B and bag C preparations in the box are respectively poured into a small scale cup, and warm boiled water is added to 50ml; then, the solution is agitated until the chymotrypsin, the sodium bicarbonate and the simethicone powder are fully dissolved, and the solution can be taken. Therefore, the preparation achieves defoaming and lubricating functions, and can effectively decompose gastric juice, clarify the gastric juice and effectively improve the definition of a gastroscope.

The invention discloses a gastroscope tube fixing device for gastroscopy in gastroenterology department. The gastroscope tube fixing device comprises a mounting base plate, a lifting rotating rod, a fixing box, a movable disc frame and a disinfection box, wherein a gastroscope tube storage box is mounted at the top of the mounting base plate, and the fixing box is mounted at the top of the gastroscope tube storage box; a disinfection box is mounted on the surface of one side of the gastroscope tube storage box, a lifting rotating rod is mounted at the bottom of an I-shaped groove plate, a sliding adjusting rod is mounted at the bottom of the lifting rotating rod, a movable disc frame is mounted at the bottom of the sliding adjusting rod, and a rotating rod is mounted in the gastroscope tube storage box; and a gastroscope tube is mounted on the surface of the rotating rod in a winding mode, and one end of the gastroscope tube penetrates through the disinfection box and extends out of the gastroscope tube storage box. By arranging the fixing box, corresponding fixing operation is performed on the gastroscope tube through ascending and descending of an iron inserting rod in the fixing box, operation is easy, and a doctor can conveniently conduct multi-angle all-dimensional gastroscopy on a patient.

The invention discloses a lubricating mucilage for gastroscope detection. According to the technical scheme, the lubricating mucilage is prepared from the following components in parts by weight: 20-28 parts of glycerol, 3-6 parts of simethicone, 1-2 parts of carbomer, 0.1-0.16 part of sodium carboxymethyl cellulose, 6-9 parts of propylene glycol, 2-5 parts of sodium hydroxide, 3-6 parts of lidocaine hydrochloride, 0.3-0.4 part of a defoaming agent and 3.5-4.5 parts of streptomyces protease. The added carbomer, simethicone and propylene glycol act together to obtain the lubricating mucilage for gastroscope detection, the lubricating mucilage is uniform in dispersion, transparent, easy to take orally and lubricating, the lubricating mucilage has good moisturizing performance and is beneficial to stable and long-term storage, the added lidocaine hydrochloride plays a role in anesthesia, the stimulation to the pharynx during gastroscopy is reduced, and the obvious discomfort feeling is avoided.

The invention belongs to the technical field of medical apparatus and instruments, and particularly relates to a supporting device for gastroscopy in the digestive system department; the device comprises a supporting mechanism, an isolating membrane and an auxiliary mechanism; the supporting mechanism comprises a supporting pipe, a shielding plate, telescopic plates and a bite plate. The supporting pipe is of a pipeline structure with two ends open. The supporting pipe is used for supporting an oral cavity and providing a moving channel for the gastroscope; the shielding plate is connected to the outer side of the supporting pipe in a sleeving mode. The shielding plate is made of an elastic plastic material; the side, away from the shielding plate, of the supporting pipe is fixedly connected with symmetrically-designed telescopic plates. The supporting device for gastroscopy has a good supporting effect on the oral cavity of a patient during use, muscle soreness and discomfort of the patient in the gastroscopy process are effectively relieved; meanwhile, cleaning work is easy and fast after the gastroscopy is completed, and high-frequency use within a short time is facilitated. Meanwhile, the manufacturing cost of the waste disposable isolating membrane is low, and the cost can be effectively controlled.

The invention belongs to the field of image processing, and particularly relates to a gastroscopy video-based real-time image segmentation method, system and device. The method comprises the following steps: S1, constructing a lightweight image segmentation network model based on a Mask-RCNN framework; S2, acquiring gastroscopy images as samples to form an original data set; de-noising processing the image, and dividing an original data set into a training set and a test set; S3, replacing the IoU and GIoU of the original loss function with a CIoU-Loss function, and training the network model; S4, testing the network model by using the test set, and reserving the network model with the best performance; S5, acquiring video stream data of gastroscopy, carrying out framing processing on the video stream data, then carrying out real-time segmentation on a framed image, and outputting a segmentation result of the target area with the lesion features. The problems that an existing image analysis tool is poor in efficiency and low in accuracy and cannot meet the high-frame-rate large-scale video stream data processing requirement are solved.

The invention discloses gastroscopy equipment for internal medicine, and belongs to the technical field of electronic gastroscopes. The gastroscopy equipment comprises a guide tube, a camera is mounted at the head end of the guide tube, a positioning seat is mounted on the inner wall of the guide tube, a sampling bag is arranged on the positioning seat, a first liquid guide tube is arranged at one end of the sampling bag, a second liquid guide tube is arranged at the other end of the sampling bag, the first liquid guide tube and the second liquid guide tube both communicate with the sampling bag and are both fixed on the positioning seat through a clamping and limiting mechanism, and an extrusion mechanism is arranged above the sampling bag. According to the gastroscopy equipment for the internal medicine, the guide tube is inserted into the gastric cavity of a patient, the sampling bag is extruded through the extrusion mechanism, gastric juice in the body of the patient enters the sampling bag through the first liquid guide tube in a negative pressure state, and the first liquid guide tube is clamped by the clamping and limiting mechanism, so that a gastric juice sample in the sampling bag is prevented from being completely leaked from the first liquid guide tube, gastric juice in the body of the patient can be sampled, and the diagnosis accuracy of doctors is effectively improved.

The invention provides a gastroscope examination and treatment device. The gastroscope examination and treatment device comprises an oral cavity protection unit, a connecting unit, a gastroscope examination unit, a gastroscope treatment unit and a control unit, wherein the oral cavity protection unit is used for protecting the oral cavity of a patient; one end of the connecting unit is connected with the oral cavity protection unit; the gastroscope examination unit is arranged at the tail end of the connecting unit and is used for conducting gastroscope examination; the gastroscope treatment unit is arranged at the tail end of the connecting unit; the control unit is electrically connected with the gastroscope examination unit and the gastroscope treatment unit; the control unit determinesan affected part through the gastroscope examination unit; and the gastroscope treatment unit is controlled by the control unit to treat the affected part. According to the gastroscope examination and treatment device, the gastroscope examination unit is used for examining the affected part, the gastroscope treatment unit is used for directly treating the affected part, and body surface non-invasive treatment of gastric diseases is achieved.

The invention provides a mode-driven intelligent gastroscopy report generation method and system, a storage medium and electronic equipment, and relates to the technical field of intelligent gastroscopy report generation. According to the method, gastroscopy images and a pre-constructed report dictionary are fused, a pre-trained image part recognition network is constructed on the basis of an encoder-decoder framework of Transformer, and part feature information of the images is extracted; meanwhile, a gastroscopy position mode storage module LMS is designed; the method accords with a clinical report generation process, and professional knowledge and experience of gastroscope doctors are integrated; by referring to the key mode information of the same examination part report, the automation degree of report generation is effectively improved, and the work pressure of gastroscope doctors for writing examination reports is greatly relieved.

The invention belongs to the field of image processing, and particularly relates to a Mask RCNN-based gastric cancer early recognition method, system and device. The recognition method comprises the following steps: S1, constructing a gastric cancer recognition network, including the following steps: S11, obtaining a Mask RCNN network model; and S12, the architecture of the CSP Net network is introduced into the Mask RCNN network model. S13, replacing an IoU Loss function with a CIoU Loss function to serve as a regression loss function of the network model; and S14, constructing a gastric cancer identification network comprising two CSP-ResNet networks and a discrimination module. S2, a plurality of real gastroscopy images are obtained and pre-marked to serve as a training data set; and S3, training the network model by using the training data set. And S4, inputting the gastroscopy image into the gastric cancer identification network to obtain an image segmentation result of the corresponding focus area. The problems that an image analysis tool used in an existing gastroscopy process is poor in efficiency and low in accuracy, and canceration and inflammation characteristics cannot be effectively distinguished are solved.

The invention discloses a gastroscopy medical protection pad capable of preventing the status of gastric juice contamination. The gastroscopy medical protection pad capable of preventing the status ofgastric juice contamination comprises a pad body; a placement port is formed in the front face of the front wall of the pad body; a holding groove is opened in the top part of the front wall of the pad body; the bottom wall of the holding groove is fixedly connected with a bottom tube; a compression spring is installed inside the bottom tube; the top part of the compression spring is fixedly connected with a control rod; and two sides of the control rod are each movably connected with an arc plate. According to the gastroscopy medical protection pad capable of preventing the status of gastricjuice contamination, a scraper is arranged at the right side of a bottom support, when the protection pad is used, a control wheel drives an extension rod to push the scraper, while the scraper is inclose contact with a face when being pushed rightwards; saliva and gastric juice are scraped off by the scraper to prevent the saliva and the gastric juice from flowing all over the face; and when being pulled back, the scraper is separated from the face to prevent the situation that the scraper spreads the remaining saliva and gastric juice on the face to make people feel uncomfortable, and thesaliva and the gastric juice are inconvenient to clean.

The invention discloses a painless gastroscopy airway management system which comprises a tooth cushion component and a fixing belt, wherein the tooth cushion component comprises an internal support shell and an external silicone gasket in match; the main body of the support shell is a cylinder of which the cross section is a long circle; a flanging is arranged at the outer end part of the cylinder; fixing belt holes are formed in both ends of the flanging; the silicone gasket is mounted on the cylinder in a sleeving manner; the length of the cylinder ranges from the outside of a human lip tothe inside of a mouth; an inner fixing sleeve is arranged on one side inside the cylinder; a part outside the fixing sleeve inside the cylinder is a gastroscope insertion area; a plurality of pipelineclamping convex ribs are arranged on the inner surface inside the inner fixing sleeve; and an airway component penetrates through the inner fixing sleeve and extends into a throat smooth airway alongwith swallowing. Since a clamping sleeve of an air through pipeline and the gastroscope insertion area are specifically arranged inside the tooth cushion component, the two channels are not mutuallyaffected, and the breath flow of a patient is not affected in gastroscopy. The airway component and the tooth cushion component are two independent components in match, and can be used independently or used together.

The invention provides a gastric polyp detection method and device based on deep learning, and belongs to the technical field of combination of medical image processing and deep learning. The method comprises the following steps: acquiring a marked gastric polyp image, and dividing the marked gastric polyp image into a training set and a test set; improving an original Faster R-CNN model, and establishing a gastric polyp detection model; wherein a residual network ResNet-101 is adopted to replace a backbone network VGG16 in the original Faster R-CNN model, and a RoI Align operation is adopted to replace a RoIPooling operation in the original Faster R-CNN model, and the ResNet-101 is adopted to replace a backbone network VGG16 in the original Faster R-CNN model; performing iterative training on the established gastric polyp detection model by using the training set; and detecting the gastric polyp in the test set image by using the trained gastric polyp detection model. By adopting the method, the omission ratio of polyps in the traditional gastroscopy process can be reduced, and the polyp detection accuracy is improved.

The invention discloses a gastroscope medicine spraying device for the digestive system department. The gastroscope medicine spraying device comprises an arc-shaped elastic piece, a first arc-shaped biteplate, a second arc-shaped biteplate, a rectangular box body and an annular cushion block; a first round hole is formed in the arc-shaped elastic piece; a liquid feeding pipe is fixedly installed on the arc-shaped elastic piece through the first round hole; a water pump is fixedly installed at the bottom of the interior of the rectangular box body; the top of the rectangular box body communicates with a liquid inlet pipe; an annular clamping block is fixedly installed at the bottom of the annular cushion block; the end of the liquid inlet pipe communicates with a liquid collecting box; the bottom of the liquid collecting box communicates with a liquid outlet pipe; the end of the liquid outlet pipe communicates with a water inlet of the water pump; a water outlet of the water pump communicates with a communicating pipe, and the end of the communicating pipe communicates with a hose; and one end of the hose communicates with one end of a liquid feeding pipe, and the other end of the liquid feeding pipe is fixedly provided with an atomizing nozzle, so that precise spraying can be realized, the anesthesia effect is improved, the discomfort of a patient during gastroscopy is reduced, the pain of the patient is reduced, the time required for examination is shortened, and the examination efficiency is improved.

The invention belongs to the technical field of medical devices, and specifically relates to a support device for gastroscopy in gastroenterology, including a support mechanism, an isolation membrane and an auxiliary mechanism; the support mechanism includes a support tube, a shielding plate, a telescopic plate and a bite plate; The support tube is a pipe structure with openings at both ends; the support tube is used to support the oral cavity and provide a moving channel for the gastroscope; the baffle is sleeved on the outside of the support tube; the baffle is made of elastic plastic material; the support A telescopic plate of symmetrical design is fixedly connected to the side of the tube away from the shielding plate; the support device for gastroscopy manufactured by the present invention not only has a better supporting effect on the patient's oral cavity during use, but also effectively relieves the patient's muscle soreness during gastroscopy And discomfort, at the same time, the cleaning work after the inspection is relatively easy and fast, which is convenient for high-frequency use in a short period of time. At the same time, the manufacturing cost of the discarded disposable isolation film is low, which can effectively control the cost.

A laryngeal mask airway (LMA) for gastroscopy includes a laryngeal tube for gastroscopy. A drainage tube is fixedly installed on an outer surface of an upper end of the laryngeal tube for gastroscopy. A PC connector is fixedly installed at one end of the drainage tube. A ventilation hole is formed in an outer surface of an upper end of the drainage tube, and a suction hole is formed in an outer surface of a lower end of the laryngeal tube for gastroscopy. An inner cavity and an inflation tube hole are formed inside the laryngeal tube for gastroscopy. The inflation tube hole is disposed under the inner cavity and receives an inflation tube, and a single-cavity connector is fixedly installed at one end of the inflation tube. The LMA absorbs secretions from a patient's esophagus to minimize coughing during a gastroscopy, thereby reducing patient discomfort and pain.

The invention discloses a clinical anesthetic drug for gastroscopy. The clinical anesthetic drug is prepared from the following traditional Chinese medicinal materials: 15g of cajeputtree leaf, 7g of thesium chinensis, 5g of roxburgh rose root, 3g of torreya root bark, 3g of copper alternanthera, 2g of purple gynura root, 2g of white poplar bark and 2g of garden erphorbia herb. The clinical anesthetic drug for the gastroscopy is a pure Chinese drug preparation which is prepared by the compatibility of multiple traditional Chinese medicinal materials. Compared with the prior art, the clinical anesthetic drug has the beneficial effects that the clinical anesthetic drug has the advantages of high efficiency and good anesthetic effect; the anesthetic drug can be metabolized and excreted in time after an operation, does not have side effects, and is safe to use and suitable for clinical popularization and use.

The invention provides a lidocaine hydrochloride mucilage, which is prepared from the following components in percentages by mass: 1-3% of lidocaine hydrochloride, 0.3-0.6% of carboxymethylcellulose sodium, 0.1-0.3% of chitosan, 6-12% of glycerol, 0.03-0.08% of L-menthol, 0.1-0.6% of glacial acetic acid and the balance of purified water. The amount of the carboxymethylcellulose sodium is reduced,meanwhile, through introduction of the chitosan and the L-menthol, foam in a gastrointestinal tract is removed, the vision clarity of gastroscopy is strengthened, and missing of minute lesions is avoided, thereby improving the accuracy rate of diagnosis and shortening the time of the gastroscopy.

The invention relates to the field of medical instruments, and particularly relates to a gastroscope externally attached pipeline fixer. The gastroscope externally attached pipeline fixer comprises atransparent cap clamped on the peripheral outer side of the upper end of the gastroscope, a positioning pin fixedly connected to the peripheral outer side of the transparent cap, and a catheter capable of moving up and down in a positioning pin inner hole; and the upper end of the positioning pin is not higher than the upper end of the transparent cap. The transparent cap is clamped at the upper part of the gastroscope, the positioning pin is fixed on the peripheral outer side of the transparent cap; a slope of a certain angle is arranged on the end plane of the positioning pin, and the peak point of the slope is connected with the end plane of the transparent cap; the catheter matched with the positioning pin is arranged in the positioning pin, and the catheter can move up and down in thepositioning pin; and the length, extending out of the end plane of the gastroscope, of the end of the catheter is within the visual range of a camera on the gastroscope, so that drug administration on the pathological site or clearing of accumulated blood in a stomach can be carried out through the catheter in gastroscope examination.

The invention discloses gastroscopy equipment for the digestive nursing department. The device comprises a gastroscope trolley and a main machine, wherein two groups of fixing mechanisms are arrangedbetween the main machine and the gastroscope trolley, each fixing mechanism comprises a fixing column and a sliding plate, a spring is arranged outside each fixing column in a sleeving manner, a through groove allowing the end part of the fixing column to penetrate through is formed in each sliding plate, a limiting plate is arranged at the end part of the fixing column, and a clamping strip is arranged on the side surface of the sliding plate; through the designed fixing mechanisms, the main machine can be fixed conveniently, the problems that the main machine shakes and moves due to vibration generated in the moving process of the gastroscope trolley, and consequently the main machine is placed improperly and falls off in the using process are solved, the design is simple, operation is convenient, and the hospital cost is reduced.

Oral cavity supporting equipment for gastroscopy comprises a lower endoscope tube, occlusion devices are arranged on the upper side and the lower side of the lower endoscope tube, a fixing plate is arranged at the front end of the lower endoscope tube, and occlusion moving devices are arranged between the fixing plate and the occlusion devices and used for moving the front-back positions of the occlusion devices. A saliva resorption device is arranged in the tongue pressing device; the device has the advantages that the occlusion device is matched with the occlusion moving device to adapt to oral cavities of different patients, on one hand, the occlusion comfort of the patients can be improved, and tooth pain caused during occlusion is avoided; on the other hand, the lower mirror tube is prevented from being bitten to damage inspection appliances; the tongue in the oral cavity of the patient can be limited through the tongue pressing device; discomfort caused when a pipeline passes through the throat is reduced, and then reaction of a patient is avoided; by means of the saliva resorption device, saliva swallowed by the patient in the examination process can be resorbed, and the saliva is prevented from flowing into the stomach to affect examination.

The invention discloses a special mask capable of pressurizing and supplying oxygen for painless gastroscopy. The special mask consists of two elastic bands, an oxygen supply gastroscopy mask, an L-shaped oxygen supply tube, an exhaust tube half-hole sealing adjusting nozzle and a gastroscopy tube protection hollow mouth part. The designed oxygen supply gastroscopy mask can provide high-concentration oxygen for the mouth and the nose of a patient to ensure sufficient oxygen supply when the patient is subjected to an oxygen deficit condition during gastroscopy, and besides, the mask can supply oxygen in a pressurized manner at the first time when the patient suffers from bronchial spasm, so that the oxygen supply of the patient can be recovered more quickly, and the occurrence of hypoxemia can be well avoided; and under the condition of tooth biting, the gastroscopy tube protection hollow mouth part can well protect the gastroscope from being bitten, and accidents of injuring the body of a patient are prevented or reduced.

The invention relates to a novel esophageal dilation balloon catheter. The novel esophageal dilation balloon catheter comprises an upper-end esophageal dilation balloon, a lower-end anti-reflux balloon and a central nasal feeding tube; a stenotic esophagus is dilated by the novel esophageal dilation balloon catheter through injecting water (gas) into the upper-end balloon; gastroesophageal refluxis prevented by injecting water (gas) into the lower anti-reflux balloon; and nasal feeding can be performed through the central nasal feeding tube when the balloon is expanded or not expanded. The novel esophageal dilation balloon catheter is used after esophageal anastomosis or is used for patients with esophageal stricture, and is used for performing intermittent expansion on a stenotic esophagus or esophageal anastomosis. The water (gas) in the esophageal dilatation balloon is pumped back during dilatation intervals, so that ischemic necrosis of the esophageal mucosa due too long compression is avoided. After eating, the lower-end anti-reflux balloon is expanded so as to avoid anastomotic leakage or stenosis caused by reflux of gastric contents. According to the design, frequency of gastroscopy and contrast examinations of patients is reduced by intermittent dilation of the esophageal dilation balloon.

The invention discloses an early gastric cancer image recognition method based on evolutionary neural network model compression, relates to the field of computer application technology, and solves the parameter redundancy in the existing convolutional neural network model and the large computational consumption of the neural network model in the early gastric cancer recognition process The problem of poor real-time performance caused by it; including the following steps: collecting an early gastric cancer image data set; training a neural network model; constructing a binary encoding method to encode parameters in the neural network model; using an evolutionary algorithm to train the neural network model Perform compression; fine-tune the compressed neural network model, and identify the early gastric cancer lesion area on the newly input gastroscopy image; the present invention can compress the neural network model for detection according to the collected gastroscopy image data, thereby improving early gastric cancer detection The efficiency of the neural network model in the task makes the deep neural network method have good real-time performance in early gastric cancer detection.

The invention belongs to the technical field of medical instruments, and particularly relates to a gastroscope tube fixing structure for the gastroenterology department, the gastroscope tube fixing structure comprises a fixing box and bandages fixedly connected to the two sides of the fixing box respectively, and a fixing assembly is installed in the fixing box. A rotating disc is rotated to drive a threaded rod to rotate in a fixing box, so that a push plate is driven to move in a sliding groove formed in the fixing box, then the push plate pushes a spring seat to extrude a compression spring to deform, a limiting seat is pushed to apply thrust to an arc-shaped clamping plate, and therefore the gastroscope tube is stably and firmly restrained and fixed; the gastroscopy nursing device is simple in structure and convenient to use, discomfort of a patient is avoided, nursing work of medical staff during gastroscopy of the patient can be well met, the working difficulty of the medical staff is lowered, adverse effects on operation of a doctor are prevented, and the practicability is high.

The invention discloses a gastrointestinal examination device based on a capsule type lens assembly and an examination method of the gastrointestinal examination device. The gastrointestinal examination device based on the capsule type lens assembly comprises a capsule lens assembly and a tube rack, wherein a sealing cover is screwed to the tail of the capsule lens assembly, and is provided with at least three guide wires; a square groove is formed in the bottom end of the sealing cover; a first tube opening, a second tube opening and a third tube opening are separately formed in the tube rack; and the guide wires separately penetrate through the first tube opening, the second tube opening and the third tube opening. By arrangement of the sealing cover, the guide wires and the capsule lensassembly are disassembled conveniently, the guide wires can have reinforcing and steering effects on a catheter, pain caused by an existing gastrointestinal examination mode can be relieved obviously, an independent cameral is controlled completely, view washing, cleaning, expansion and the like can be realized, and a medium and an operation channel are provided for real-time examination such asaspiration biopsy and therapy for a lesion.