22 results about "Gastric cavity" patented technology

The invention provides a device for testing the pressure of a Sengstaken-Blakemore stomach tube and a using method, the device comprises a conveying tube, a gastral cavity tube, a stomach pouch tube and an esophageal pouch tube, one end of the conveying tube is sleeved with the gastral cavity tube; a gastric sac tube and an esophageal sac tube are inserted into two sides of one end of the gastral cavity tube; a buckle assembly, a first anti-pulling assembly and a second anti-pulling assembly are arranged at one end of each conveying pipe. One end of the gastric pouch tube is sleeved with a first digital pressure gauge; and one end of the esophageal balloon tube is sleeved with a second digital pressure gauge. Through the arrangement of the first digital pressure gauge, the second digital pressure gauge and the clamping plate, it can be guaranteed that the tail end of the conveying pipe is prevented from leaking in the gas detection process, operation can be conducted easily and simply in the sealing process of the tail end of the conveying pipe, manual holding is not needed, and the work progress is accelerated.

A modified-release tablet dosage form containing tolcapone is disclosed. The tablet dosage form provides a pulsatile, pH-dependent release profile of tolcapone to both the gastric cavity and the small intestine. Methods for treating or preventing a disease selected from transthyretin amyloidosis (ATTR), Parkinson's disease, and obsessive-compulsive disorder using the dosage form are provided.

The invention relates to the technical field of medical instruments, in particular to a nasal gastrointestinal tube with a tube diameter conversion function, which comprises an intestinal tube and a stomach tube, one end of the stomach tube is connected with a reducer tube, the diameter of one end of the reducer tube is the same as that of the intestinal tube, and the stomach tube is connected with the intestinal tube through the reducer tube; an enteric cavity is formed in each of the stomach tube and the reducer tube, a stomach cavity is formed in one side of each enteric cavity, an air inlet cavity is formed in one side of each stomach cavity, a stomach cavity closing wall is arranged between each enteric cavity and the corresponding stomach cavity, and an air inlet cavity closing wall is arranged between each enteric cavity and the corresponding air inlet cavity. According to the multi-cavity nasal gastrointestinal tube, conversion transition from a multi-cavity tube to a single-cavity tube is smoother, and damage of the outside of the tube body to a human body is greatly reduced; the gastrointestinal tube is welded into a whole, no additional adapter substitute is needed, the inner diameter of the intestinal tube body is effectively enlarged, and sufficient drainage, administration and nutrition delivery are achieved.

The utility model discloses a kind of gastric cavity plugging catheters of gastrostomy in the medical instrument technical field, the device increases plugging balloon and sealing clamping piece, can be held by inside and outside, hold stomach wall and skin to position the device, while plugging balloon seals and isolates the puncture of stomach wall inside gastric cavity, effectively avoid gastric juice to flow out, avoid gastric juice to overflow along the puncture and cause skin burning;Positioning baffle is also increased, can be unfolded inside duodenum, positioning baffle can position nutrition tube, avoid nutrition tube to slide and separate, can also effectively block pylorus, effectively avoid enteric digestive juice to enter stomach, and do not hinder gastric juice to flow into intestine normally, and by pressure relief port and pressure relief pipe, stomach is conveniently decompressed, effectively avoid that pressure is too high and nutrition liquid is refluxed to esophagus.

This invention relates to the field of gastric residual volume detection technology, specifically a Bluetooth transmission device for ultrasound monitoring of gastric residual volume during enteral nutrition for infants and young children. The device includes a main body structure and a transmission device-mounted control system. The control system includes an ultrasound signal acquisition module, a signal processing module, a Bluetooth transmission module, a residual volume calculation module, and a graded alarm module. This invention achieves this by selecting a target frequency band to match the acoustic impedance characteristics of gastric fluid, dynamically tuning the probe's transmission power based on abdominal wall thickness to reduce gas and tissue interference and improve signal accuracy. It corrects signal mapping deviations based on a three-dimensional gastric cavity model, compensates for postural shifts, generates a gastric fluid distribution model to enhance accuracy, dynamically segments data packets and embeds time-series tags to ensure complete transmission and anti-interference capabilities, combines intake rate and gastric emptying curve correction parameters to quantify volume and compensate for errors, improving calculation reliability, and generating graded alarm commands to link with clinical operations.

The present invention relates to the field of image communication technology, and particularly to a digital video signal acquisition method and system for an electronic gastroscope. The method and system acquire several frames of images from a digital video of an electronic gastroscope, determine the expansion state coefficient of the gastric cavity corresponding to each frame of image and the irregular characteristic coefficient of gastric wall peristalsis corresponding to each frame of image based on the several frames of image, determine the possibility that each frame of image is a useless frame based on the expansion state coefficient and the irregular characteristic coefficient, analyze the quality of each frame of image based on the expansion state of the gastric cavity and the gastric wall peristalsis law to determine the possibility that the image is a useless frame, and finally determine the useless frames based on the possibility of the useless frames and a possibility threshold, and delete all useless frames in the several frames of image to obtain a final acquired target digital video signal. This method is beneficial to reducing the impact caused by invalid frames and facilitates doctors to make judgments.

Intragastric device intended to be inserted into a gastric cavity to restrict its capacity. To contribute to optimal adaptation, its design is based on the principle of neutral buoyancy. The device comprises an inner core and an outer covering (2). The inner core consists of a closed chamber (1) and a first valve (4) connecting the inside of the chamber (1) to the outside, through which a pressurised fluid is introduced into the chamber (1). The outer covering (2) comprises a first cavity (5), in which the core is housed, and a second valve (7), through which a volume of fluid is introduced into the free space of the cavity not occupied by the chamber (1). This fluid in the first cavity (5) is at a different pressure to that of the fluid introduced into the chamber (1).

The utility model discloses a double-interface side hole type nutrition pusher which comprises a nutrition tube, a supporting tube and a path finding guide tube, the supporting tube is movably arranged in the nutrition tube in a penetrating mode, and the path finding guide tube is movably arranged in the supporting tube in a penetrating mode. The nutrient canal is of a two-way joint structure and comprises a first sleeve joint formed by the near end of the nutrient canal and a second sleeve joint located on one side of the first sleeve joint, and a plurality of first interlayer side holes are formed in the near end of a canal body of the nutrient canal. The nutrient canal adopts the structural design of double interfaces, double cavities and the near-end side hole, the far end of the nutrient canal is arranged in the jejunum and can be used as the nutrient canal, the farthest end of the side hole is provided with an MARK mark, and the MARK does not exceed the pylorus when the nutrient canal is arranged, so that the side hole is positioned in the gastral cavity and is used for gastrointestinal decompression, and the nutrient canal is particularly suitable for patients suffering from gastric paralysis and needing enteral nutrition.

The invention discloses digestive tract hemorrhage suction equipment which comprises a suction assembly fixedly arranged on the side edge of a gastroscope, and the suction assembly and the gastroscope are fixed through a fixing part. The outer surfaces of the gastroscope and the suction assembly are fixedly coated with a coating layer; a stirring assembly is arranged in the suction assembly; in order to solve the problems that in the prior art, a suction hole channel of a common gastroscope is too small, and the blood clot suction efficiency is low, the suction assembly is designed, the suction head end of the suction assembly can be fixed to the front end of the gastroscope through combination and fixation between the suction assembly and the gastroscope and arrangement of an external coating layer, and the suction efficiency of the gastroscope is improved. The gastral cavity aspirator is provided with the aspirating assembly, so that hematocele in the gastral cavity can be effectively aspirated, the stirring assembly is arranged, large blood clots can be stirred and broken, and therefore it is guaranteed that when massive blood clots are formed, effective aspiration can also be guaranteed.

This invention provides a traditional Chinese medicine composition for treating stomach pain, comprising the following ingredients in parts by weight: rhubarb 8-12 parts, borneol 2-5 parts, galangal 7-12 parts, cyperus rotundus 7-12 parts, chuanxiong rhizome 12-18 parts, and fresh ginger 8-12 parts. This invention also provides a topical patch for treating stomach pain, comprising a carrier and an active ingredient, wherein the active ingredient comprises 40-50% of the total mass, and the active ingredient is the aforementioned traditional Chinese medicine composition for treating stomach pain. This topical patch for treating stomach pain, by applying the medicine to local tissues (acupoints) of the human body, can achieve the purpose of preventing and treating disease, effectively treating stomach pain, and has no side effects.

The invention discloses a traditional Chinese medicine prescription for treating chronic atrophic gastritis, which is obtained by combining modern network pharmacology technology and traditional Chinese medicine experience, and comprises lotus leaf, buckeye, fried bighead atractylodes rhizome, radix astragali preparata, common yam rhizome, combined spicebush root, lysimachia christinae hance, calcined concha arcae and dandelion. The traditional Chinese medicine composition is used for treating chronic atrophic gastritis inflammation, reversal of gastric mucosal lesion, inhibition of intestinal metaplasia, prevention of gastritis cancer transformation and the like. The traditional Chinese medicine composition has the treatment effects of invigorating spleen to eliminate dampness, clearing heat and removing stasis, and is mainly used for treating chronic atrophic gastric inflammation such as gastral cavity fullness, gastral cavity scorching heat and pain, poor appetite, weakness and limb fatigue, noisy and acid regurgitation and the like.

The invention discloses a mass-eliminating composition for treating gastric precancerous lesions as well as a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicines. The composition for eliminating mass comprises astragalus membranaceus, dragon's blood, cassia twig, poria cocos, radix paeoniae alba, perilla stem, immature bitter orange, mangnolia officinalis, rhizoma nardostachyos, oldenlandia diffusa, cuttlebone, thunberg fritillary bulb, pseudo-ginseng, rheum officinale, dark plum and honey-fried licorice root. Through the steps of decocting twice, concentrating into thick paste and the like, the mass-eliminating composition disclosed by the invention is prepared into the medicine for treating precancerous lesions of gastric cancer. Clinical experiment results show that the medicine provided by the invention can effectively relieve symptoms such as gastral cavity pain, sour regurgitation and the like of patients with precancerous lesions of gastric cancer, can also remarkably improve the degree of gastric mucosa atrophy, intestinal metaplasia and atypical hyperplasia, is high in safety and low in toxic and side effects, and is comprehensively superior to traditional prescriptions. The invention provides a novel medicine composition for treating precancerous lesions of gastric cancer and preventing gastric cancer, and has outstanding clinical application value and wide application prospect.

The invention relates to the technical field of stomach residual volume detection, in particular to ultrasonic stomach residual volume monitoring Bluetooth transmission equipment for infant enteral nutrition. The equipment comprises a body structure and a transmission equipment carrying control system, wherein the transmission equipment carrying control system comprises an ultrasonic signal acquisition module, a signal processing module, a Bluetooth transmission module, a residual volume calculation module and a grading alarm module. According to the method, the target frequency band is screened to be matched with the acoustic impedance characteristics of the liquid in the stomach, the transmitting power of the probe is dynamically tuned in combination with the abdominal wall thickness, gas and tissue interference is reduced, signal precision is improved, signal mapping deviation is corrected based on the gastral cavity three-dimensional model, body position deviation is compensated, the liquid distribution model in the stomach is generated, and accuracy is enhanced; data packets are dynamically segmented, time sequence labels are embedded, transmission completeness and interference resistance are ensured, parameters are corrected by combining the intake rate and a gastric emptying curve, the volume is quantified, errors are compensated, the calculation reliability is improved, and graded alarm instructions are generated to be linked with clinical operation.

This invention discloses a pediatric double-balloon catheter for esophageal and gastric pressure monitoring, comprising an outer sheath and an inner core tube. Both ends of the outer sheath are open. The inner core tube is slidably inserted into and passes through the outer sheath. One end of the outer sheath is provided with a dynamic locking component for fixing the inner core tube, and the inner circumferential wall of the other end of the outer sheath is in a sealed sliding fit with the outer circumferential wall of the inner core tube. An esophageal pressure inflation / measurement connector is located on the exterior of the outer sheath near the dynamic locking component, and an esophageal pressure balloon is circumferentially sealed on the exterior of the outer sheath away from the dynamic locking component. This invention solves the clinical problem of traditional fixed-spacing catheters, which cannot simultaneously ensure accurate placement of the esophageal balloon in the lower esophagus and complete placement of the gastric balloon within the gastric cavity, making the same catheter applicable to a wide age range from newborns to adolescents.

The invention discloses a gastric emptying parameter detection system for gastric ultrasonic examination, and belongs to the field of medical images. The gastric emptying parameter detection system for the gastric ultrasonic examination comprises an ultrasonic image acquisition module, an image processing module and a gastric emptying parameter calculation module. The problem that an existing gastric emptying function detection method has limitation is solved, standard section image acquisition can be accurately carried out on the antral sinus part before and after each drinking node through the image acquisition module, and the image processing module extracts and draws gastral cavity boundaries in a time sequence ultrasonic image through an image segmentation algorithm; the gastric emptying parameter calculation module calculates gastric emptying parameters including initial emptying time, emptying curve slope, semi-emptying time, emptying rate at a specific time point and the like based on gastral cavity area data of a time sequence, and the gastric emptying parameter calculation module calculates the gastric emptying parameters including the initial emptying time, the emptying curve slope, the semi-emptying time, the emptying rate at the specific time point and the like based on the gastric cavity area data of the time sequence, so that the accuracy and reliability of gastric emptying area measurement are improved. And objective evaluation of the gastric emptying function can be realized.

The utility model provides a side-hole-free type enteral nutrition pusher. The side-hole-free type enteral nutrition pusher comprises a nutrition tube, a supporting tube and a pathfinding catheter which are sequentially arranged from inside to outside, the supporting tube is movably arranged in the nutrient tube in a penetrating manner so as to search the pylorus or the output loop after reaching the gastral cavity position; the pathfinding catheter is movably supported within the tube to enter the duodenum and advance to the jejunum position after reaching the pylorus position. According to the utility model, the pylorus or the output loop can be found, the operation difficulty of the nutrient canal and the discomfort of a patient caused by repeatedly rubbing the nasal cavity in the operation process are reduced, and the nutrient canal also plays a good auxiliary role in passing through the narrow section of the intestinal tract; the far end of the nutrition tube without the side hole structure design reaches the jejunum and can be directly used as a nutrition delivery tube, and the nutrition tube is particularly suitable for pancreatitis patients who are coma or cannot eat independently and need jejunum nutrition support.

Embodiments of the present application provide a gastric mucosa image positioning method, device, computer equipment and storage medium. The gastric mucosa image positioning method comprises: acquiring a gastroscope image to be positioned for gastric mucosa foreign matter; identifying a gastric cavity anatomical part and gastric mucosa foreign matter in the gastroscope image; calculating a distance value of the gastric cavity anatomical part and the gastric mucosa foreign matter; determining a reference gastric cavity anatomical part according to the distance value, the reference gastric cavity anatomical part being a reference for positioning the gastric mucosa foreign matter; and determining a relative position of the gastric mucosa foreign matter and the reference gastric cavity anatomical part. Embodiments of the present application can obtain the relative position and distance of the gastric mucosa foreign matter and the gastric cavity anatomical part, and provide an important basis for accurately judging the position of the gastric mucosa foreign matter.

The application discloses an application of an endoscopic continuous suturing device in preparation of a gastric plication suturing medical instrument, and the endoscopic continuous suturing device comprises a suture wire with uniformly distributed barbs, a plurality of titanium clips and a pushing device, the suture wire is 6-10 cm long, and the two ends of the suture wire are respectively provided with a front end connecting ring and a rear end connecting ring; a sheath pipe is arranged at the position close to the rear end connecting ring of the suture wire; the titanium clip is used for clamping and fixing the gastric mucosa tissue and the suture wire; the pushing device is used for tightening the suture wire and comprises a traction steel wire, an inner push tube and an outer sheath tube which are sleeved from inside to outside and slide; a metal hook is arranged at the front end of the traction steel wire; two operation handles are arranged at the rear end of the pushing device and are used for respectively controlling the inner push tube and the traction steel wire to move forward and backward. The gastric mucosa is sutured by the barbed suture wire, the long-term stability of the gastric wall folding is ensured, the barbed suture wire cooperates with the titanium clip to realize step-by-step pre-tightening, and the gastric cavity volume can be accurately controlled.

The present invention discloses a method for constructing a three-dimensional model of a hollow organ, a model, an electronic device, and a storage medium. The contour of the target hollow organ in the enlarged state is determined by obtaining a two-dimensional plan view through digestive endoscopy examination, and an orthogonal projection view is obtained by three-dimensional modeling of CT images. The contour of the target hollow organ in the non-enlarged state is obtained by combining the contour of the target hollow organ in the enlarged state. The enlargement coefficient is obtained through perimeter calculation, and the hollow organ in the non-enlarged state is enlarged according to the enlargement coefficient to obtain a three-dimensional model of the enlarged target hollow organ; both the digestive endoscopy image and the CT image are the original examination habits and techniques, and the enlargement of the gastric cavity after inflation can be understood without deviating from the original examination habits and techniques, and the perception of the relationship between the gastric cavity and adjacent tissues can be restored.

This invention provides an auxiliary gastric emptying device, comprising: a main tube, a cardiac balloon, and a pyloric balloon; wherein, the main tube includes a pyloric balloon tube, one end of which has an inflation port, and the other end or the middle of which is connected to the pyloric balloon; the main tube also includes a cardiac balloon tube, one end of which has an inflation port, and the other end or the middle of which is connected to the cardiac balloon; the main tube further includes a gastric cavity inflation tube, one end of which has an inflation port, and the other end or the middle of which has an exhaust port, the exhaust port being positioned within the gastric cavity to inflate and pressurize the gastric cavity; the cardiac balloon is positioned at the cardiac sphincter to close the cardiac sphincter when inflated; the pyloric balloon is positioned at the pylorus and has a drainage channel to open the pylorus when inflated, allowing gastric juice in the gastric cavity to be discharged through the drainage channel under inflated and pressurized conditions; this invention can assist the gastric cavity in gastric emptying, which is beneficial for shortening recovery time.

The invention belongs to the technical field of traditional Chinese medicine preparations, and provides a traditional Chinese medicine composition for warming spleen and invigorating stomach and preparation and application thereof. According to the prescription, rhizoma zingiberis, radix aconiti carmichaeli, cortex cinnamomi and fructus evodiae are taken as essential medicines for warming the middle warmer, ginseng, honey-fried licorice root and angelica sinensis are matched to strengthen the body resistance and nourish the ying, and a small dose of bitter cold medicine is supplemented to clear and lower blood pressure and mirabilitum dehydratum is used for guiding to lower blood pressure, so that the prescription of warming without dryness, tonifying without stagnation and regulating cold and heat is formed. The oral liquid is prepared by adopting the processes of conventional water decoction extraction, filtration, vacuum concentration and the like, and then homogenizing. The composition is used for improving transportation and transformation of the spleen and the stomach and gastrointestinal motility and relieving dyspepsia symptoms such as poor appetite, uncomfortable gastral cavity, distention and fullness, belching, sour regurgitation, fullness after eating, loose stool and the like, and is suitable for related people with deficiency-cold in the spleen and the stomach or cold and heat intermingled. Compared with a traditional formula, the traditional Chinese medicine composition has the advantages of being replicable, easy to amplify and convenient for quality control in the aspects of compatibility optimization and process standardization, and has good clinical application and popularization values.