77 results about "Intestinal walls" patented technology

The invention discloses a self-breaking outer drainage tube, and relates to the technical field of medical instruments, the self-breaking outer drainage tube comprises a tube body, and the tube body comprises a drainage part, a breaking part, a leading-out part and a puncture part; the drainage part and the fracture part are both made of degradable materials; the hole wall thickness of the circulation hole at the fracture part is smaller than the hole wall thickness of the circulation hole at the drainage part; during surgical operation, the degradable inner drainage part is placed in the pancreatic duct, the fracture part crosses the anastomotic stoma by 7-8 cm and crosses the biliary-intestinal anastomotic stoma, and the leading-out part walks in the enteric cavity to a proper position, penetrates out of the intestinal wall and is led out of the body through the abdominal wall. Cutting the puncture part to expose the outlet of the circulation hole, and discharging the body fluid through the circulation hole; after a certain period of time after the operation, the fracture part is automatically fractured under the action of pancreatic juice, the leading-out part is pulled out, the degradable drainage part continues to be degraded in the body and maintains the drainage function, and finally the drainage part is absorbed by the body or discharged out of the body without being taken out through the operation.

The invention discloses a drug delivery device in a human body cavity, which comprises an inflatable balloon, at least one part of the outer wall of the balloon is provided with a protective shell, the balloon is provided with an inner cavity, and the protective shell can be dissolved by specific body fluid in the human body cavity; the triggering part is arranged in an inner cavity of the balloon, and the triggering part can react with body fluid to generate fluid to inflate the balloon when making contact with the body fluid, so that the inflated balloon is tightly attached to the wall of a body cavity; the propelling part is arranged in the inner cavity of the balloon and comprises a tissue penetrating component, and the triggering part can generate power to propel the tissue penetrating component; and the containing part is used for containing a medicine preparation, and the triggering part can push and press the liquid medicine preparation contained in the containing part into the pushing part after the balloon is inflated, and injects the liquid medicine preparation into the inner wall tissue of the human body cavity through the tissue penetrating component. By means of the device, macromolecular drugs or preparations can be injected into the inner wall of the human body cavity, such as the tissue of the intestinal wall.

The invention relates to biomedical engineering, and discloses a biochip screening method of a therapeutic agent based on intestinal brain axis regulation and application thereof. The screening method comprises the following steps: performing intestinal wall cell culture or microglial cell culture by adopting a metasurface plasmon resonance biochip of which the surface is subjected to bionic treatment to obtain an intestinal wall cell adherent chip board or a microglial cell adherent chip board; the method comprises the following steps: adding a culture medium containing a chemotherapeutic drug or lipopolysaccharide into a cell-adherent chip board for culture I, then removing the culture medium, adding a therapeutic agent to be detected for culture II to obtain a culture solution, and detecting the cell repair effect of intestinal wall cells or microglial cells in the culture solution, and screening to obtain a therapeutic agent with a repairing effect on intestinal wall cells and / or microglial cells. The screening method can be used for efficiently and accurately screening the therapeutic agent with dual effects of intestinal regulation and neuroprotection from a plurality of therapeutic agents to be detected, and can be used for dynamically monitoring and exploring the interaction condition of the therapeutic agent and cells on line in an unmarked and real-time manner.

This invention discloses a capsule system for electro-adhesion in the digestive tract and its operating method, relating to the field of medical devices. The system includes a transparent outer shell forming a sealed cavity within it; multiple electrode adhesion units are axially arranged on the outer wall of the shell; an image acquisition device is fixed inside the shell, with its acquisition end adjacent to the transparent end of the shell; a wireless transmission device is used for bidirectional wireless data transmission with an external workstation; when the drug storage device's release port is open, the drug within the storage device can be released to the outside; a control module can control the opening and closing of the release port, and can control the power supply to the electrode adhesion units, as well as the direction of current flow after power is applied; a power supply is electrically connected to the image acquisition device, the wireless transmission device, the drug storage device, and the control module. The system and its operating method of this invention can save internal capsule space, avoid mechanical damage to intestinal wall tissue, and the anchoring and release process is rapid, controllable, and reversible.

The invention discloses an endoscopic positioning mark clamp, which comprises a clamp main body in a tubular shape, two axial ends of the clamp main body are respectively provided with a pipe orifice; the chuck is arranged at the front end of the clamp main body and is provided with a first arm and a second arm which are exposed out of the front end of the clamp main body and can be opened and closed; the head end of the inhaul cable is connected with the chuck in a detachable mode, the tail end of the inhaul cable extends backwards to the outside of the clamp body in the axial direction, and opening and closing of the first arm and the second arm can be operated; the magnetic block is arranged in the clamp main body; the rope loop is arranged at the rear end of the clamp main body; the clamp body, the clamping head, the inhaul cable and the rope loop are all made of non-magnetic materials. According to the positioning marking clamp under the endoscope, the clamp can be clamped to the intestinal wall tissue through the endoscope clamp channel, the distance between the magnetic block and the intestinal wall tissue is short, and an iron surgical instrument outside the intestinal wall tissue can more conveniently detect the position of the magnetic block.

The invention relates to the technical field of medical instruments, in particular to an enteric cavity segment filling controllable device for colon cancer preoperative T staging, which comprises a central mandrel, a flexible head end cap is arranged at the foremost end of the central mandrel, and a near-end balloon inflating pipeline, a far-end balloon inflating pipeline and a main pipeline which are mutually independent are arranged in the central mandrel; the near-end balloon is arranged on the central mandrel in a sleeving manner and is communicated with the near-end balloon inflating pipeline; the far-end balloon is arranged on the central mandrel in a sleeving manner, is positioned on the far side of the near-end balloon and is communicated with the far-end balloon inflating pipeline; at least two main pipeline lateral holes are formed in the tube wall of the central mandrel between the near-end balloon and the far-end balloon, are communicated with the main pipeline and are used for injecting a contrast agent or normal saline into the closed enteric cavity section between the two balloons. The near-end balloon and the far-end balloon are synchronously filled at the two ends of a target intestinal segment to form a closed segment, and a contrast agent is uniformly injected through lateral opening, so that the intestinal wall is fully expanded and does not collapse, and the display definition of the five-layer structure of the intestinal wall is remarkably improved.

The invention belongs to the technical field of medical instruments, and discloses a gastrointestinal tract magnetic clipping fistulization assembly and application thereof. The assembly comprises at least two magnetic bodies, each magnetic body is provided with a clamping end face, the effective length of each clamping end face is 3-5 cm, the width of each clamping end face is not smaller than 0.2 cm, and a clamping gap of 2-4 mm is formed between the stomach wall and the intestinal wall when the two magnetic bodies are attracted. The assembly can adopt an integral structure, a split structure, a bendable structure or a concave-convex clamping structure, and the magnetic body is provided with a fixing structure and a guide assembly. Laparotomy and minimally invasive implantation are not needed, permanent foreign matter residues are avoided, a stable permanent anastomosis channel can be formed, the risk of complications such as adhesion and leakage is reduced, the device is suitable for patients with refractory digestive tract obstruction, and fistulization safety and success rate are improved.

The present disclosure relates to the field of drug delivery, in particular, the present disclosure relates to a microneedle drug delivery device and a preparation method thereof. The device comprises a substrate, a microneedle array and a liquid-absorbing swelling material, the substrate carries the microneedle array, and the liquid-absorbing swelling material is arranged between the substrates to form a sandwich structure. The device uses a mild water-absorbing swelling mechanism and the natural peristalsis of the gastrointestinal tract to pierce the microneedles into the intestinal wall, complete drug delivery, physically break through the physiological barrier of oral delivery and absorption of biological drugs, and improve the oral bioavailability of biological drugs. The materials used are all biodegradable soft materials, which are safe.

The invention relates to an operation device, in particular to a portable anorectal operation auxiliary device which comprises a handheld gun handle, a gun barrel and an exploring tube, the hollow gun barrel is connected to the front end of the handheld gun handle, a guide hole is horizontally formed in the upper portion of the handheld gun handle, the front end of the guide hole is communicated with an opening in the rear end of the gun barrel, and the exploring tube can slide into the gun barrel through the guide hole. The front end of the exploring tube is connected with a probe. In the aspect of cleaning the camera, the water pipe and the annular nozzle are arranged at the position of the probe, when the device is externally connected with a water source, water flows through the water pipe and is evenly sprayed out of the annular nozzle, the camera can be cleaned in time, intestinal wall mucus or dirt interference of a patient is avoided, clear imaging is guaranteed, operation cleaning does not need to be interrupted, and medical operation efficiency is greatly improved. Meanwhile, the device is provided with a distraction mechanism, the closed probe can be protected, friction damage between the closed probe and the intestinal wall is reduced, the internal space can be slightly distraction and expanded according to the anorectal condition of a patient, the passing rate of the probe is increased, convenient conditions are created for subsequent medical operation, and the device has practicability and innovativeness.

The application belongs to the technical field of medical devices, and particularly relates to a kind of cryoablation catheter and ablation system, the cryoablation catheter includes inner catheter and outer catheter, the outer catheter is coaxially sleeved on the outside of inner catheter, the inner catheter is configured as a multi-lumen structure, further comprising: a plurality of sealing components, a plurality of the sealing components are arranged on the outside of inner catheter;Wherein, in the initial state, a plurality of the sealing components and inner catheter are located in the inside of outer catheter, in the working state, a plurality of the sealing components and intestinal wall form an ablation closed space together. The application guides the cryoablation catheter to the target position through the guide wire, forms the ablation closed space through the cooperation of sealing components and lumen wall, inputs the cryogenic medium into the ablation closed space to freeze and ablate the lumen wall, provides a usable treatment plan for type 2 diabetes, obesity or other lumen lesion patients, and has the advantages of small trauma, less pain for patients, low surgical risk, etc.

The invention discloses a drug delivery device in a human body cavity, which comprises an inflatable balloon, at least one part of the outer wall of the balloon is provided with a protective shell, the balloon is provided with an inner cavity, and the protective shell can be dissolved by specific body fluid in the human body cavity; the triggering part is arranged in an inner cavity of the balloon, and the triggering part can react with body fluid to generate fluid to inflate the balloon when making contact with the body fluid, so that the inflated balloon is tightly attached to the wall of a body cavity; the propelling part is arranged in the inner cavity of the balloon and comprises a tissue penetrating component, and the triggering part can generate power to propel the tissue penetrating component; and the containing part is used for containing a medicine preparation, and the triggering part can push and press the liquid medicine preparation contained in the containing part into the pushing part after the balloon is inflated, and injects the liquid medicine preparation into the inner wall tissue of the human body cavity through the tissue penetrating component. By means of the device, macromolecular drugs or preparations can be injected into the inner wall of the human body cavity, such as the tissue of the intestinal wall.

The invention relates to the technical field of rectum foreign matter grabber, and particularly discloses a rectum foreign matter grabber which comprises a catheter, the catheter is of a circular ring structure, the surface of the catheter is coated with lubricating oil in the using state, and the inner wall of the catheter is provided with an adsorption assembly used for storing foreign matter. The adsorption assembly and the deformation assembly are used in cooperation, the structure of the device can be changed in the using process of the device, then the foreign matter can be adsorbed through the internal structure, and the foreign matter can be cut and clamped through the deformation assembly. Therefore, foreign matter does not make contact with the inner wall of the intestinal tract in the moving process, the intestinal tract is prevented from being scratched, equipment is safer to use, meanwhile, the direction of a needle can be adjusted in the needle taking process to be consistent with the overall direction of the equipment, the situation that the inclination angle between the needle and the overall equipment is too large, and consequently the intestinal tract is scratched is avoided, and the service life of the equipment is prolonged. And furthermore, the equipment is safer to use.

This invention relates to the field of intelligent medical technology, and more particularly to a method for early warning of intestinal fibrosis in Crohn's disease based on a large model. The method includes: acquiring intestinal MRI image sequences of Crohn's disease patients; inputting the intestinal MRI image sequences into a pre-trained large model for intestinal structure analysis to locate the initial intestinal fibrosis region; determining whether the degree of intestinal luminal stenosis in Crohn's disease patients meets the standard based on the intestinal stenosis progression index, and adjusting the feature contrast threshold of the large model based on the difference; determining whether the acute inflammation masking effect of Crohn's disease patients is adequate based on intestinal wall edema characterization parameters, and adjusting the T2-weighted imaging modal weights of the large model based on the relative difference; and determining whether the patency of the fibrotic permeation channel in Crohn's disease patients is adequate based on the fibrotic permeation resistivity, and adjusting the boundary loss weights of the large model based on the ratio. This invention improves the accuracy of early warning of intestinal fibrosis in Crohn's disease.

The invention relates to the field of medical apparatus and instruments, and discloses a rectum low tumor insection edge measuring and positioning device in laparoscopic surgery, the rectum low tumor insection edge measuring and positioning device comprises an inflating and positioning device, an inflating channel and a miniature inflating pump, the inflating and positioning device is composed of a silica gel air bag and a retractable supporting framework assembly, the supporting framework assembly is arranged in the silica gel air bag, and the inflating channel is communicated with the inflating and positioning device; the bottom end of the silica gel air bag is fixedly connected with an integrated inflation channel, the bottom end of the inflation channel is fixedly connected with a miniature inflation pump, the inflation positioning device can be fed into the body through the anus, the miniature inflation pump inflates the inflation positioning device through the inflation channel, the inflation positioning device is in an expanded and full state, the peripheral side wall is attached to the intestinal wall, and the supporting framework assembly is matched. The three-dimensional shape in a full-gas state is guaranteed, and a series of problems that in an existing laparoscopic surgery, the accuracy is poor, anastomosis is not easy, or excision is not thorough due to the fact that the specific position is judged through hand touch or an endoscopic surgery instrument serves as a reference object for locating the lower incisal edge of the rectum low tumor in the laparoscopic surgery at present are solved.

The invention belongs to the technical field of medical instruments, and provides a transanal colorectal ectropion traction device which comprises a flexible body, a control handle and a sterile air source unit. The flexible main body sequentially comprises a core rod, an inner-layer supporting air bag, a nickel-titanium alloy self-adaptive deformation framework and an outer-layer attaching air bag from inside to outside; the core rod is installed on the control handle, and the inner-layer supporting air bag and the outer-layer attaching air bag are both installed on the core rod. The nickel-titanium alloy self-adaptive deformation framework is embedded between the inner-layer supporting air bag and the outer-layer attaching air bag in a sealed mode, a floating embedded structure is adopted, and the nickel-titanium alloy self-adaptive deformation framework and the air bag wall are not directly bonded and fixed. An independent inflation cavity is formed in the outer layer attaching air bag, and a plurality of micro-negative-pressure adsorption heads are arranged on the outer wall of the outer layer attaching air bag. A bearded needle puncture structure is completely abandoned, non-invasive fixation is achieved through the micro negative pressure adsorption head, the risks of intestinal wall puncture injury, bleeding and perforation are avoided, tumor cells are prevented from falling off and being planted, and the application range of the device in malignant colorectal tumor surgery is widened.

The utility model discloses a water injection pump instant heater for an endoscope room, which comprises a shell, a pipe placing hole is arranged at the circle center of the upper surface of the shell, a heating sheet for heating a drainage pipe is arranged on the inner wall of the pipe placing hole, the shell comprises a left shell and a right shell, the left shell and the right shell are horizontally and symmetrically arranged, an existing water injection pump bucket is provided with a bucket cover, the bucket cover is externally connected with the drainage pipe, and the drainage pipe is connected with the water injection pump. And the drainage tube is clamped and fixed between the side wall of the left shell tube placing hole and the side wall of the right shell tube placing hole. The connecting surfaces of the left shell and the right shell are respectively provided with a plug and a socket, and the plug is inserted into the socket, so that the left shell is electrically connected with the right shell. The heater can be rapidly installed on the drainage tube of the water injection pump and heat the drainage tube, normal saline is prevented from being cold, the comfort degree of a patient when the normal saline is injected into the intestinal tract can be improved, the situation that the intestinal tract wall is stimulated by cold water is reduced, the peristalsis of the intestinal tract and the spasm of the intestinal tract are reduced, and the operation difficulty of an enteroscope is lowered.

The invention discloses a drug delivery device in a human body cavity, which comprises an inflatable balloon, at least one part of the outer wall of the balloon is provided with a protective shell, the balloon is provided with an inner cavity, and the protective shell can be dissolved by specific body fluid in the human body cavity; the triggering part is arranged in an inner cavity of the balloon, and the triggering part can react with body fluid to generate fluid to inflate the balloon when making contact with the body fluid, so that the inflated balloon is tightly attached to the wall of a body cavity; the propelling part is arranged in the inner cavity of the balloon and comprises a tissue penetrating component, and the triggering part can generate power to propel the tissue penetrating component; and the containing part is used for containing a medicine preparation, and the triggering part can push and press the liquid medicine preparation contained in the containing part into the pushing part after the balloon is inflated, and injects the liquid medicine preparation into the inner wall tissue of the human body cavity through the tissue penetrating component. By means of the device, macromolecular drugs or preparations can be injected into the inner wall of the human body cavity, such as the tissue of the intestinal wall.

The invention belongs to the technical field of agricultural science, and particularly relates to a tissue slice manufacturing method capable of measuring the thickness of a mucus layer of a pig intestinal tract. The operation process is simple, the damage to tissues is small, and the detection of the intestinal mucous layer of an animal with a larger enteric cavity can be realized. The core technology capable of observing the mucous layer is to ensure that chyme is not separated from the intestinal wall in the section manufacturing link, the traditional paraffin section technology is tedious in operation process and comprises dehydration, transparency and wax immersion, and the frozen section directly enters the section link, so that the separation of chyme and intestinal wall tissues caused by treatment such as ethanol gradient dehydration and high-temperature wax immersion is avoided, and the operation process is simplified. And the sample is not easy to cut in a slicing link, and a mucus layer is not easy to separate, break or lose after dyeing. The frozen section can directly freeze chyme and intestinal tissues without damaging a mucus layer between the chyme and the intestinal tissues, so that a complete mucus layer is obtained.

The present disclosure relates to the technical field of drug delivery technology, in particular a microneedle drug delivery device and a manufacturing process thereof. The device comprises a substrate, a microneedle array, and a liquid-absorbing swelling material, wherein the substrate supports the microneedle array and the liquid-absorbing swelling material is enclosed within the substrate to form a sandwich structure. The device utilizes a mild water absorption-expansion mechanism and the natural peristaltic behavior of the gastrointestinal tract to insert microneedles into the intestinal wall, thereby achieving drug delivery. The device overcomes physical physiological barriers to the oral administration and absorption of biologics, thereby improving their oral bioavailability.All materials used are biodegradable soft materials, thus ensuring a high level of safety.

The invention discloses a bipolar high-frequency electric snare, which relates to the field of medical equipment and comprises a ferrule assembly and one or more sleeves, and the sleeves are used for fixing the ferrule assembly. By the adoption of the bipolar snare, current can form a loop, instrument short circuit can be avoided, damage to an intestinal wall serosa layer can be reduced, the possibility of complications such as bleeding and perforation can be reduced, and the bipolar snare has the advantages of being easy to maintain, disassemble, assemble and adjust parameters due to the adoption of the modular design. The invention aims to provide the bipolar high-frequency electric snare which has the advantages of cooperative operation, high operation precision and modular design.

The application belongs to the field of biomedical materials, targeted drug delivery technology and ulcerative colitis treatment, and discloses a curcumin-loaded claspable composite microneedle and a preparation method thereof. The composite microneedle comprises a curcumin-loaded gelatin hemisphere base and a curcumin-loaded chitosan-polyvinyl alcohol microneedle, and the microneedle is located on the circular end face of the hemisphere base. The curcumin in the base and the microneedle is loaded in the form of curcumin-cyclodextrin inclusion compound. The claspable composite microneedle is formed by designing a hemisphere base + microneedle array, and the hemisphere base + microneedle part of the composite microneedle is loaded with curcumin, which can relieve and treat intestinal wall and intestinal mucosa damage caused by ulcerative colitis, indirectly inhibit intestinal flora disorder and abnormal activation of the inflammatory immune system, so as to solve the technical problem of low cure rate of ulcerative colitis, and provide a more safe and efficient treatment strategy for targeted intestinal diseases.

1. Name of the product in this design: Rectal electrode. 2. Purpose of this product design: It is used for the diagnosis and treatment of pelvic floor dysfunction. When in use, it is inserted into the rectum, a natural cavity of the human body, for the transmission of electrical signals between the rectum and anal canal and the device, as well as the transmission of pressure signals between the rectal wall and the rectum and anal canal and the device. The electrical signals are obtained through the side wall electrode plates, and the pressure signals are obtained through the airbag. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to medical instrument technical field discloses a kind of pullable anal canal for endoscope.The utility model anal canal body has the passage for liquid drainage, while pull line passes through the passage;Passage is close to the inner mouth and is designed with pull line limiting device;Endoscope operation can reach predetermined position by biopsy forceps clamp pull pull line to anal canal;Pull line passes through the passage in limiting device, limiting device and anal canal passage are weakly fixed connection, when receiving strong pulling, it can be separated, and it is convenient to remove pull line from anal canal passage;Anal canal inner mouth is designed hose part, while guaranteeing the support of anal canal, reduce the risk of anal canal front end injury intestinal wall in operation;Anal canal outer mouth plug is weakly fixed connection by plug connecting end and anal canal connecting end, when pulling, it can be separated, convenient operation;The utility model anal canal surface is designed with scale, can accurately observe anal canal depth of insertion, accurately and intuitively observe whether anal canal slips off etc. after operation.

The invention discloses an endoscopic magnetic positioning clamp for tumor marking and positioning in laparoscopic surgery, which comprises a clamp main body, the outer contour of the clamp main body is arranged to be matched with a forceps channel of an endoscope, and the clamp main body is partially or completely made of a magnetic material; the chuck is arranged in the clamp body, one end of the chuck is provided with a clamping opening capable of being opened and closed, and the end, provided with the clamping opening, of the chuck is exposed out of the clamp body; one end of the inhaul cable is connected with the chuck in a disconnectable mode, and when the inhaul cable is connected with the chuck, the opening and closing action of the clamping opening is associated with the control action of the inhaul cable, so that the inhaul cable can control the clamping opening of the chuck to be opened or closed. The invention provides an endoscopic magnetic positioning clamp for tumor marking and positioning in a laparoscopic surgery, which can complete marking and positioning of a tumor position by utilizing an endoscopic forceps channel in an endoscopic examination process. And the position of the magnetic positioning clamp can be identified from the outside of the intestinal wall of the abdominal cavity of the patient by using the characteristic of magnetic attraction by using any existing iron surgical instrument.

The application provides a kind of medical image classification method and system based on machine learning, belong to image processing technical field, including: according to the density difference between each pixel point and healthy smooth intestinal mucosa region Correct the complexity of local structure of intestinal wall edge, obtain the pathological mutation significance of each pixel point;According to the pathological mutation significance, and based on the time characteristics of the denoising diffusion probability model, obtain the current dynamic fidelity weight of each pixel point;The current dynamic fidelity weight is input into the reconstruction loss function based on the denoising diffusion probability model, and the colorectal medical CT image is denoised, to generate enhanced colorectal medical CT image, and the enhanced colorectal medical CT image is input into machine learning classification model to classify medical image;The application improves the accuracy of colorectal medical image classification result.

This invention relates to a multifunctional intestinal hydrotherapy device, belonging to the field of medical and health care equipment technology. It includes a water tank, a first water pump, a filter, and an infusion head. The first water pump is connected to one end of the water tank and the filter, and the infusion head is connected to the other end of the filter. The multifunctional intestinal hydrotherapy device also includes a massage mechanism, which comprises a flexible sac fitted around the periphery of the infusion head, massage components filled within the flexible sac, and a drive component embedded in the flexible sac and / or the infusion head. This multifunctional intestinal hydrotherapy device, by directly integrating the massage mechanism into the infusion head, can provide direct and controllable physical massage stimulation to the intestinal wall while the water flows to cleanse the intestines. The synergistic effect of these two actions is expected to enhance the overall therapeutic effect of promoting peristalsis, relieving spasms, and improving local circulation.

The present application relates to the technical field of artificial intelligence, and provides a system and method for classifying eosinophilic gastroenteritis based on multi-modal data, which comprises: obtaining digestive endoscopy images, ultrasonic endoscopy images, CT examination images and clinical manifestation data collected by a subject in the same period; identifying the state of gastrointestinal mucosa lesions and representing the numerical characteristics through the digestive endoscopy images; identifying the abnormal thickening of each membrane layer structure of the gastrointestinal wall and representing the numerical characteristics through the ultrasonic endoscopy images; determining the lesion level distribution and representing the numerical characteristics through the ultrasonic endoscopy images; determining the peritoneal effusion and intestinal wall thickening and representing the numerical characteristics through the CT examination images; obtaining the clinical symptom characteristics and representing the numerical characteristics through the clinical manifestation data; generating a feature vector based on multi-modal data by representing each numerical characteristic; and inputting the feature vector into a dynamic classification prediction model to realize the classification prediction of eosinophilic gastroenteritis, thereby improving the accuracy of auxiliary diagnosis and evaluation.

The utility model provides a high-position anal dilatation device which comprises a lens cone, the front end of the lens cone is contained in the rectum of a human body, and an inclined opening is formed in the edge of the rear end of the lens cone in an inclined mode. Wherein the side surface of the lens barrel is provided with a groove-shaped opening, and the groove-shaped opening extends from the side surface of the lens barrel to the front end of the lens barrel; the endoscope core is located in the endoscope barrel, the chock plug of the endoscope core is exposed outside, the endoscope core is taken out and discarded after the endoscope barrel enters the anus, the front end of the chock plug is in the closed oval shape and can smoothly enter the rectum of the human body, the open design of the end opening of the front end of the endoscope barrel is combined with the groove-shaped opening, the exposed area of the rectum is directly increased, and the endoscope is convenient to use. By means of the design of the oblique opening, a height difference exists between the limiting plate of the lens barrel and the oblique opening, the lens core is convenient to extract, and the lens barrel is matched with a handle of the electronic anorectal inspectoscope, so that assembly interference is avoided.

The application discloses a hemorrhoid operation system, which comprises a safe blocking component, an intracavitary radial feed drainage knife group, and an intracavitary negative pressure forced stasis discharge component. The safe blocking component is used for sealing with the intestinal wall to block the downward flow of intestinal excrement. The intracavitary radial feed drainage knife group is used for puncturing a lesion. The intracavitary negative pressure forced stasis discharge component is used for negative pressure action on the punctured lesion to discharge stasis. Thus, the downward flow of intestinal excrement can be blocked to avoid infection of a surgical wound. The cyst at the hemorrhoid lesion is punctured to dredge the stasis discharge channel, and the intracavitary negative pressure forced stasis discharge component is used to forcibly discharge the stasis in the cyst. Compared with traditional hemorrhoid medical instrument operation, the hemorrhoid operation system does not need to cut off the epidermis of the internal hemorrhoid lesion and the large intestinal muscle, has no contraindicated population, and will not cause serious complications such as rectal stenosis and death, and has strong safety and significant clinical application value.