10 results about "Gastrointestinal wall" patented technology

The invention relates to a feeding intolerance burst risk early warning method and device based on multi-modal dynamic monitoring. The method comprises the steps that a gastrointestinal tract peristaltic wave image sequence under the abdominal skin surface of a patient is collected; collecting borborygmus data; collecting physical sign physiological data of the patient; monitoring behavior and posture data of the patient in real time; tracking the infinitesimal displacement and deformation of the gastrointestinal wall in the gastrointestinal tract peristaltic wave image sequence, and extracting and quantifying the speed, direction and wave crest and trough change rate of the peristaltic wave and the regularity index of the peristaltic wave; calculating a physiological deviation degree between the fusion feature at the current moment and an expected normal mode generated by the physiological feature baseline model of the patient; and inputting the physiological deviation degree, the change rate of the physiological deviation degree in the time dimension and the accumulated deviation duration into a conditional variation risk assessment model, and outputting a potential spatial distance. Through the non-invasive and highly quantified feeding intolerance risk model, the early recognition capability and clinical intervention efficiency of feeding intolerance are remarkably improved.

The invention belongs to the technical field of medical image processing, and provides a multi-modal medical image analysis system, medium and equipment for gastrointestinal disease recognition, and the technical scheme is as follows: extracting multi-scale texture features and structural features of a gastrointestinal endoscopy color image and a gastrointestinal endoscopy OCT depth image respectively, and fusing to obtain a cross-modal feature sequence; based on the feature sequence added with the position code, learning a spatial corresponding relation of different modal data on blood vessel morphology and gastrointestinal tract wall interlayer structure; obtaining a multi-scale global context feature sequence and a local detail feature sequence based on the aligned cross-modal blood vessel and gastrointestinal tract wall interlayer structure features, and fusing the multi-scale global context feature sequence and the local detail feature sequence to obtain fused multi-modal features; obtaining an adjusted dense deformation field based on the fused multi-modal features; and performing coarse registration and fine registration based on the adjusted dense deformation field to obtain a registered gastrointestinal endoscopy color image and a registered gastrointestinal endoscopy OCT depth image. The anti-interference capability is strong, and the data stability is high.

Provided is an endoscopic treatment method for resecting a full thickness of a gastrointestinal wall under an endoscope, the method including: making a full circumferential incision in tissue around a target tissue up to a submucosal layer; fixing a traction device to a first location positioned further outside the target tissue; pulling the first location using the traction device so that a first region and a second region are folded and approach each other along a fold line that passes through the first location and divides the target tissue into the first region and the second region, to lift the full thickness of the gastrointestinal wall including the target tissue toward a gastrointestinal lumen side; suturing the submucosal layer exposed by full circumferential incision; and resecting the target tissue placed in the lumen side of the sutured area.

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 application discloses a gastrointestinal wall suture anchoring device, which comprises a suture anchor and a guide wire; the suture anchor comprises a puncture needle, a suture line and an anchor nail, the anchor nail is arranged at one end of the puncture needle, the suture line is arranged on one side of the puncture needle, and the suture line is connected with the anchor nail; as the gastrointestinal wall suture anchoring device, the suture anchor is used for fixing the stomach wall of a patient before fistulization surgery, which is beneficial to the smooth operation of the surgery and the postoperative recovery of the patient after recovery; a plurality of suture anchors are simultaneously used in cooperation, so that the fixing effect is better; the anchor nail is guided into the stomach cavity of the patient through the guide wire, and the stomach wall of the patient can be effectively fixed through the push and pull of the guide wire and the suture line, the operation is simple, and the damage to the patient is minimized.

The invention provides an OAB-14 composition which comprises OAB-14, the particle size d (0.5) of the OAB-14 is 1-2998 nm, and the particle size d (0.9) of the OAB-14 is 2-5532 nm. The OAB-14 is further prepared into various dosage forms such as oral tablets, capsules, pellets, granules, dry suspensions, suspensions and the like. The particle size d (0.5) of the OAB-14 raw material is reduced to be 1-2998 nm, the particle size d (0.9) of the OAB-14 raw material is reduced to be 2-5532 nm, the surfactant is added, the dissolution rate of the raw material is increased, the adhesion of the raw material on the gastrointestinal wall is improved, the bioavailability is increased by 217.91%, the same medicine effect is achieved, and the dosage of the suspension is 40% of that of the raw material medicine.

The invention relates to the technical field of medical instruments, and discloses a gastrointestinal endoscopy air bag which comprises an endoscope body. The first balloon is arranged at the front end of the endoscope main body and is used for expanding the gastrointestinal wall; the second balloon is arranged on one side of the first balloon and is positioned on the endoscope main body; the gas conveying control mechanism is arranged on the endoscope body and can be used for detecting the pressure of the first balloon and the pressure of the second balloon respectively, and according to the gastrointestinal endoscopy air bag, the endoscope body can better adapt to the shape of the bent part of the digestive tract through the first balloon and the second balloon which can be independently adjusted; auxiliary force for forward pushing and retreating is provided, so that smooth movement in a complex structure is achieved, and friction and damage to the alimentary canal wall are reduced. The first balloon and the second balloon can act simultaneously or independently to fix the position of the endoscope, so that the endoscope can be observed or operated in detail at a part needing to be observed or operated in detail.

The present application belongs to the technical field of medical image processing, and provides a multi-modal medical image analysis system, medium and equipment for gastrointestinal disease recognition, which extracts multi-scale texture features and structure features of a gastrointestinal endoscope color image and a gastrointestinal endoscope OCT depth image respectively, fuses to obtain a cross-modal feature sequence; learns spatial correspondence of different modal data on blood vessel morphology and gastrointestinal wall interlayer structure based on the feature sequence after adding position coding; obtains a multi-scale global context feature sequence and a local detail feature sequence based on the aligned cross-modal blood vessel and gastrointestinal wall interlayer structure features, fuses to obtain a fused multi-modal feature; obtains an adjusted dense deformation field based on the fused multi-modal feature; performs coarse registration and fine registration based on the adjusted dense deformation field, and obtains registered gastrointestinal endoscope color images and gastrointestinal endoscope OCT depth images. The application has strong anti-interference ability and high data stability.

The utility model discloses a novel stomach tube which comprises a tube body, a balance weight guide head is arranged at one end of the tube body, a plurality of discharging ports are annularly formed in the end, close to the balance weight guide head, of the tube body in the length direction of the tube body, a fixing assembly is adjustably arranged on the outer circle wall of the tube body, and a material conveying head is connected to the top of the tube body. The tube body is guided through the balance weight guide head, scales on the surface of the tube body are observed, then the tube body is inserted into the stomach of a patient, then an external normal saline injection device is communicated with the infusion head in a butt joint mode, normal saline is injected into the adjusting ring through the external injection device, and the normal saline is injected into the adjusting ring through the sealing cover. The air bag is expanded to be attached to the inner wall of the stomach and intestine, so that the tube body is fixed, the stability of the tube body is improved, then the sealing cover is opened, nutrient substances are conveyed to one side of the discharging port through the tube body via the conveying head, finally, the nutrient substances are conveniently guided to the stomach of a patient, and the practicability of the equipment is improved.

The invention belongs to the technical field of ultrasonic contrast agents, and discloses a tsamba gastrointestinal ultrasonic contrast agent as well as a preparation method and application thereof. The contrast agent takes Tibet Plateau pure natural tsamba powder as a core matrix, is subjected to superfine grinding and sterilization, is matched with a natural suspension stabilizer, a food-grade defoaming agent and a flavoring agent, and is blended with warm water according to a specific proportion to form a suspension; the preparation process comprises three steps of raw material pretreatment, dry mixing and suspension preparation, and is simple and convenient to operate. By regulating and controlling parameters such as granularity (more than 90% of particles are 10-50 microns) and concentration (8-12g / 100mL warm water) of zanba powder, acoustic characteristics can be adjusted, in-vitro detection shows that the contrast agent is medium-fine in echo, stable in suspension within 30 minutes and free of rear sound attenuation, and a gastrointestinal wall structure can be clearly drawn. The invention has the advantages of high biocompatibility, low side effect, good patient tolerance, nutrition support effect, convenience in storage and transportation and low preparation cost, and is suitable for gastrointestinal ultrasound examination of various crowds.