44 results about "Gastric Content" patented technology

The utility model provides a stomach tube with a mistaken inhalation prevention structure, which comprises a mask and a stomach tube component, an oxygen port is arranged on the surface of the mask, the stomach tube component is mounted on the surface of the mask, and the stomach tube component comprises a stomach tube body, a first air tube, a second air tube, a first air bag, a second air bag, a partition plate, a silica gel valve and a pressure sensor. Compared with the prior art, the stomach tube assembly has the advantages that when the stomach tube assembly is used, a gap between an esophagus and a stomach tube can be effectively blocked through the arrangement of the first air bag and the second air bag, and therefore the stomach tube assembly is convenient to use. The risk that gastric contents flow back into the esophagus and the respiratory tract is greatly reduced, the partition plate is arranged and divides the gastric tube body into the main cavity and the auxiliary cavity in the using process, an infusion channel and a pressure monitoring channel of nutrient solutions or medicine are independent of each other and do not interfere with each other, and therefore the stability of the infusion process and the accuracy of pressure monitoring can be guaranteed.

The application relates to the field of medical masks, in particular to a mask with a gastrointestinal mirror channel, which comprises a mask main body, an oxygen supply assembly, a gastrointestinal mirror channel assembly, an anti-aspiration assembly and a sealing adjustment assembly. The oxygen supply assembly provides clean and controllable breathing support through a multi-layer filter membrane and a flow adjustment function; the gastrointestinal mirror channel assembly is designed with a flexible sealing sleeve and an elastic support strip, thereby ensuring air tightness and adaptability during gastrointestinal mirror operation; the anti-aspiration assembly effectively deals with vomiting reflex or gastric content reflux through an arc-shaped baffle and a drainage groove; and the sealing adjustment assembly improves the adhesion and stability of the mask by using an air bag. The application can simultaneously realize breathing support and gastrointestinal mirror operation, and takes into account the safety and comfort of patients, thereby providing a perfect solution for digestive endoscopy.

Esophageal intubation assemblies, esophageal cardiac stimulation and gastric decompression assemblies, and methods for using and making the same are provided.

A system for a bypass-like, transduodenal passage of stomach contents, comprising: a transduodenal bypass unit (BE), itself comprising a transduodenal assembly (TDG) having a tubular film (7) for the passage of stomach contents into the jejunum, and also comprising a transpyloric assembly (TPG) having a hose-like or tubular shaft component (2); a transesophageal positioning unit (PE) having a tubular shaft component (9), the outer diameter of said shaft component being smaller, at least in a distal region, than the inner diameter of the shaft component (2); and an extracorporeally controllable coupling device (KE) which selectively fixates the shaft component (2) to the shaft component (9) for coupling purposes or releases the same for decoupling purposes.

The utility model discloses a manual gastric lavage device which comprises a water inlet, a hard tube, a first hose, an extrusion air bag, a second hose, a Y-shaped tube and a first adjusting valve. The water inlet, the hard tube, the first hose, the extrusion air bag and the second hose are sequentially communicated and connected; the Y-shaped tube is provided with a connector, a negative pressure connector and a stomach tube connector; the first adjusting valve is mounted at the connecting port; and the second hose is mounted on the first adjusting valve. According to the application of the manual gastric lavage device, the principles of atmospheric pressure and siphonage are utilized, contents in the stomach are flushed continuously after simple operation, toxins can be effectively removed, and patients suffering from food poisoning are rescued to the maximum extent.

The invention discloses a composite solution for treating reflux esophagitis and a preparation method and application thereof, and relates to the technical field of pharmaceutical preparations, the composite solution is formed by physically mixing drug-loaded microspheres and a gastric buoyant raft matrix solution; wherein the drug-loaded microspheres are solid particles which take thiolated pectin as a carrier, are crosslinked and cured through divalent metal ions and are coated with a periplaneta americana extract; the gastric buoyant raft matrix solution comprises a hydrophilic colloid, a component capable of generating gas when encountering acid and a stabilizer. The magnesium mercapto pectin microspheres provide excellent mucous membrane adhesion, and the acting time of the medicine on the esophageal focus is prolonged; the gastric buoyant raft substrate forms a physical barrier in a gastric acid environment to inhibit regurgitation of gastric contents. Through cooperation of the two, a dual treatment mechanism of local repair and source control is realized. The preparation can remarkably prolong the in-vivo residence time and effectively promote esophageal mucosa healing, and the curative effect is better than that of a pure periplaneta americana extract preparation.

To provide a gastrostomy catheter capable of more surely regulating the backflow of a nutrient or gastric contents from the inside of the stomach to the outside of the body.SOLUTION: The gastrostomy catheter 100 comprises a shaft 10 having a lumen 11, and a check-valve 40, wherein the check-valve 40 has a base part 41, a downward projecting part 51, and an annular 51a part 43, the shaft 10 has a body surface contact part 20 and an annular rib 23, the gap between the annular wall part 43 and the downward projecting part 51 constitutes an annular groove 44 into which the annular rib 23 fits, and a valve opening 45 is formed in the side wall of the lower end of the downward projecting part 51. A lower portion of the downward projecting portion 51 serves as a press-fitting portion 53, the press-fitting portion 53 has a large-diameter portion 54 whose size in the first direction is larger than the inside diameter of the lumen 11, and the size of the downward projecting portion 51 in the first direction gradually increases downward at a boundary portion 54a between the upper portion 52 of the downward projecting portion 51 and the large-diameter portion 54.SELECTED DRAWING: Figure 2

The present disclosure relates to treatment of reflux disease of a human patient. More particularly, a device is disclosed, which is configured to be implanted in the body of the human to restrict movement of the cardia of the patient's stomach towards the diaphragm opening into the patient's thorax, and / or to prevent stomach contents from passing from the stomach into the esophagus.

The invention relates to the technical field of feeds, in particular to a dietary dog food for recuperating gastrointestinal tracts of dogs and a preparation method thereof, and the dietary dog food comprises a basic nutritional agent, a gastric regurgitation preventing agent, a magnesium-zinc absorption promoting agent and a preservative. The modified sodium alginate forms gel in the stomach of the dog, sodium bicarbonate is decomposed to generate carbon dioxide gas to push the gel to float upwards to the cardia to form a shielding layer, and the modified cellulose releases calcium ions to promote crosslinking of the modified sodium alginate to form a more compact shielding layer so as to prevent backflow of contents in the stomach of the short-nose dog after the short-nose dog eats. The active form of vitamin D3 is combined with a vitamin D receptor in intestinal epithelial cells, gene expression of channels and ion transporters is up-regulated, and the absorption effect of dogs on magnesium and zinc in a high-calcium environment is promoted. The fructo-oligosaccharide enhances the signal transduction efficiency of the vitamin D3 by up-regulating the expression level of a vitamin D receptor, and further enhances the promotion effect of the vitamin D3 on magnesium and zinc absorption.

The utility model belongs to the technical field of medical instruments, and particularly relates to a guide wire assembly which comprises a guide wire fixing seat, and a liquid channel is formed in the middle of the guide wire fixing seat. A pressing block and a plurality of supporting columns which are matched with each other are arranged in the liquid channel; the supporting column is arranged on the inner wall of the liquid channel; the pressing block is arranged on the supporting column; and the guide wire is arranged in the pressing block. The liquid channel is formed in the guide wire fixing seat, and the guide wire is limited in the liquid channel through mutual matching of the supporting column and the pressing block; therefore, the work of confirming whether the nasogastric tube is successfully inserted into the stomach or not and the operations of sucking gastric juice and gastric contents and inflating can be completed under the condition that the guide wire is not detached; the potential safety hazard caused by the fact that the guide wire is fed after being detached is avoided, and meanwhile the efficiency of medical workers is improved.

The utility model discloses an auxiliary treatment mattress for reflux esophagitis, and relates to the technical field of medical auxiliary instruments. The auxiliary treatment mattress for reflux esophagitis comprises a mattress body and an air pump, a self-adaptive bending groove is formed in the outer wall of the bottom of the mattress body, a protection pad is arranged on the upper portion of the mattress body, an angle adjusting air bag is arranged at the bottom of the mattress body, a connecting belt is fixedly connected to the outer wall of the angle adjusting air bag, and the connecting belt is fixedly connected to the outer wall of the angle adjusting air bag. The connecting belt is arranged on the outer side of the angle adjusting air bag in a surrounding mode, a first hidden buckle is fixedly connected to the inner side of the connecting belt, a second hidden buckle is fixedly connected to the outer wall of the mattress, and the first hidden buckle and the second hidden buckle are connected in a clamped mode. The angle adjusting air bag is inflated through the air pump, so that the mattress forms an inclined plane, the chest and the back of a patient are raised, the probability that gastric contents flow back to the esophagus is reduced through gravity, the sleep position suggestion of the reflux esophagitis patient is met, symptoms caused by gastric acid reflux at night of the patient can be effectively relieved, and the treatment effect is improved.

This invention discloses an auxiliary medication feeding device for intensive care, relating to the field of medical device technology. It includes a transfer assembly with an input interface and an input cavity communicating with the input interface; a tubing assembly comprising a coaxially sleeved and relatively slidable outer tube and inner tube; and an expansion assembly located in the middle section of the outer tube, including a limiting membrane and an expansion flap, the limiting membrane and expansion flap being inclined in opposite directions and both pointing towards the cardia. The transfer assembly of this auxiliary medication feeding device for intensive care incorporates a slidable piston and an elastic element, forming a mechanical pressure feedback valve that effectively prevents reflux and patient discomfort caused by sudden pressure increases. Furthermore, the expansion flap design allows it to closely conform to the cardia area, forming a physical sealing barrier. This effectively blocks the reflux of gastric contents, significantly reducing the risk of aspiration pneumonia.

The premature infant prone position fixing pillow comprises a bearing plate, a fence, a headrest, a leg support and two fixing pieces, the bearing plate is used for bearing the body of a premature infant, the fence is arranged on the edge of the upper surface of the bearing plate and extends in the axial direction of the bearing plate, an opening is formed in the front end of the fence, and the headrest is arranged in the opening. The headrest is arranged at the front end of the bearing plate, the height of the headrest can be adjusted, the leg support is arranged on the upper surface of the bearing plate, the upper surface of the leg support is in an arc shape and used for supporting the legs of a premature infant, the two fixing pieces are arranged on the left side and the right side of the fence respectively, and one ends of the fixing pieces can be mutually connected above the bearing plate. The utility model discloses simple structure can make premature infant's position comfortable during hearing examination, noninvasive respiratory support and other care, reduce stomach content regurgitation or apnea, also avoid mouth and nose shielding, promote development.

The invention relates to the technical field of valves, in particular to a gastroesophageal valve and a treatment device.The gastroesophageal valve comprises a valve membrane body, an extension edge and a presser foot edge, and the extension edge is a shape memory reset piece; the valve membrane body which is restored to a normal structure is used for preventing backflow of gastric contents, the presser foot edge is sewn to the esophagus or cardia, the valve membrane body can turn over towards the stomach body along with pushing of food chyme in the digestive tract, the valve membrane body can be bent and deformed when the space of the gastroesophagus is reduced, the shape is reset when the space of the gastroesophagus is restored, and therefore the gastroesophagus can be recovered. Therefore, the oesophagus and the fundus of stomach do not need to be folded, only the valve for shielding regurgitation of the contents in the stomach is added, the normal physiological anatomical structure of the oesophagus and the fundus of stomach is almost unchanged, the valve is simply sutured by the flexible medical suture line, the injury range is small, and the injury amplitude is small. The device is simple in structure, low in manufacturing cost, easy to install, few in operation steps, free of ultrasonic guidance, hard anastomat and hard fasteners, and convenient to disassemble and replace.

The invention discloses an anti-reflux stomach tube, which relates to the technical field of medical instruments and comprises a tube body and a connector connected with one end of the tube body. The head end is installed at the other end, away from the connector, of the pipe body, the top end of the head end is spherically closed, and a side hole is formed in the side wall; the air bag assembly sleeves the outer side of the tube body, and one end of the air bag assembly is fixedly connected with the tube body; the air bag assembly is folded towards the center, and the outer surface of the air bag assembly is tightly attached to the inner wall of the stomach tube. The device has the beneficial effects that micro gaps around the tube are actively blocked through radial expansion of the air bag assembly, and a reflux path of gastric contents is effectively blocked; operation is easy and convenient and can be completed through single-hand stretching; the supporting part shrinks and punctures the inner wall when being taken out, the tip is wrapped by wrinkles after gas is exhausted, esophageal mucosa injury is avoided, and clinical safety and use convenience are remarkably improved.

The present application belongs to the field of food technology, and relates to a satiety composition for obesity intervention and application thereof. The satiety composition provided by the present application is composed of erythritol, alginate, pectin and resistant dextrin. The satiety composition provided by the present application can quickly absorb water in the stomach to form a gel, increase the volume and elasticity of the stomach contents, prolong the flow time of nutrients, and achieve a satiety feeling of more than 3 hours. The satiety composition slowly dissolves in the small intestine in the intestinal tract to form macromolecular polysaccharides and dietary fibers, and promote intestinal peristalsis. The satiety composition can be dissolved in water, and can be used to make different dosage forms or foods, and has a wide range of applications.

A gastroscope anti-reflux device comprises a gastroscope outer sleeve and a cardia air bag assembly, and an inner ring groove and an outer ring groove are formed in the gastroscope outer sleeve; the cardia air bag assembly comprises an inner clamping ring air bag, an outer clamping ring air bag and a cardia ring air bag, the inner clamping ring air bag and the outer clamping ring air bag are fixedly installed in the inner ring groove and the outer ring groove, an inner clamping ring groove and the outer clamping ring groove in the cardia ring air bag are bonded to the inner clamping ring air bag and the outer clamping ring air bag respectively, and an inflation tube is arranged in the tube wall of the gastroscope outer sleeve. The inflation tube is communicated with the inner and outer snap ring air bags, the inner and outer snap ring air bags are respectively communicated with the cardia ring air bag, and a one-way valve is arranged in the cardia ring air bag; the cardia ring air bag has the beneficial effects that the cardia ring air bag can prevent regurgitation of gastric contents; meanwhile, the front end of the gastroscope outer sleeve is completely wrapped by the cardia ring air bag and cannot be stained with any gastric contents, and when the gastroscope outer sleeve is pulled out, the situation that the gastric contents are taken out is avoided, and the situation that the gastric contents enter the trachea by mistake is avoided.

According to the valve and the valve fixing device, the esophagus and the fundus of stomach do not need to be folded, only one auxiliary valve for shielding regurgitation of contents in the stomach is added, the normal physiological anatomical structure of the esophagus and the fundus of stomach does not change, the fixation is realized by simply suturing soft medical sutures, and the problem of regurgitation of food is solved; an operation performed through the device and the valve has a small tissue damage range and small damage amplitude, and in addition, the device and the valve are simple in structure, low in manufacturing cost, easy to install and few in operation steps; in the operation process, ultrasonic guidance is not needed, a hard anastomat is not needed, and detachment or / and replacement of valve separation are / is facilitated in the future.

The invention discloses an esophagus plugging type stomach tube structure with a function of preventing regurgitation and aspiration, which comprises a stomach tube body capable of preventing regurgitation and aspiration, wherein the stomach tube body is inserted into the stomach of a patient through a nostril and an esophagus when a medical worker performs related operation on the patient and can prevent regurgitation and aspiration of stomach contents; the front end of the stomach tube body is arranged in the stomach of a patient, and the tail end of the stomach tube body is arranged on the outer side of the nose of the patient. The stomach tube fixing structure can effectively fix the tail end of the stomach tube body to the upper lip of a patient, and the stomach tube fixing structure is arranged at the upper lip of the patient. According to the stomach tube capable of preventing regurgitation and aspiration, regurgitation and aspiration can be prevented through the stomach tube body capable of preventing regurgitation and aspiration, the tail end of the stomach tube body capable of preventing regurgitation and aspiration can be effectively fixed to the upper lip of a patient through the stomach tube fixing structure, and the stomach tube is not prone to falling off from the nose of the patient; meanwhile, allergy and infection of the skin of the patient can be effectively avoided, and great comfort is brought to the patient.

The utility model relates to the technical field of medical instruments, and provides a negative pressure drainage device which is mainly used for drainage of stomach contents and comprises a container body, a reset spring and a drain valve, the container body is provided with an exhaust port and a drainage tube, and the container body collects liquid discharged from a drainage part from the drainage tube through negative pressure; the reset spring is arranged in the container body, one end of the reset spring is connected with the top of the container body, the other end of the reset spring is connected with the bottom of the container body, and the reset spring drives the container body to reset after the container body is compressed; the drain valve is arranged at the bottom of the container body and used for draining liquid in the container body. Liquid in the container main body can be quickly emptied through the drain valve, so that inconvenience caused by frequent replacement of the drainage container is greatly reduced, the medical cost is reduced, the economic burden of a patient is relieved, meanwhile, the workload of medical staff is also remarkably reduced, and the working efficiency is improved. In addition, the drainage device can accurately meter the drained liquid.

The invention provides a dynamic closed-loop control method of a nasal feeding pump and an intelligent nasal feeding system, and is applied to the technical field of medical instruments and control. The method comprises the following steps: acquiring a nasal feeding tube end pH value, complex impedance and ultrasonic data, comparing the pH value data with a gastric acid pH threshold interval and comparing a complex impedance data modulus value characteristic with a biological tissue impedance interval, generating a position signal, calculating a liquid level height based on the ultrasonic data, mapping the liquid level height into a gastric retention amount estimation value, and calculating a gastric retention amount estimation value. Generating an infusion pump motor driving control instruction according to the gastric retention and the position signal; according to the scheme, the position of the pipeline and the residual quantity of gastric contents can be monitored in real time, infusion is dynamically adjusted accordingly, and the risk of aspiration by mistake is reduced.

The present application provides a kind of gastric laparoscopic surgery puncture device with anti-skid fixing function, overcome the traditional puncture device cannot be punctured into stomach cavity, stomach cavity cannot be close to abdominal wall after puncture, gastric contents easily reflux into abdominal cavity through puncture device and cause pollution etc. Surgical difficulties, this puncture device makes this new technology surgical procedure more simplified, safe and effective. Including sleeve assembly and puncture assembly, sleeve assembly includes sleeve seat and sleeve arranged at one end of sleeve seat, puncture assembly includes puncture handle and puncture needle arranged at one end of puncture handle, and puncture needle is slidably arranged in sleeve. The present application can effectively avoid the phenomenon that sleeve slides out from stomach cavity, repeatedly punctures and damages stomach and other organs and blood vessels of patient, avoid pulling out the whole puncture device when pulling out the equipment, ensure that gastric laparoscopic surgery is carried out smoothly, reduce the pain of patient;Simple structure, convenient operation, save time and effort, improve the protection and fixing effect of sleeve and surgical efficiency;Can pull the skin incision, improve the fixing effect.

The invention relates to the technical field of medical instruments, and discloses a respiratory tract anti-reflux first-aid delivery pipe which comprises a pipe body, the bottom end of the pipe body is fixedly connected with an air bag, the right end of the air bag is fixedly connected with an intubation head, and the inner wall of the bottom end of the pipe body is fixedly connected with a first limiting piece. An anti-backflow ball is attached to the inner wall of the first limiting piece, a second limiting piece is fixedly connected to the inner wall of the left end of the air bag, the right side surface of the anti-backflow ball is attached to the left side surface of the second limiting piece, an inflation connecting pipe is fixedly connected to the top end of the pipeline body, and an indication balloon is fixedly connected to the top end of the inflation connecting pipe. According to the invention, substances such as gastric contents are prevented from flowing back into the trachea through the air bag, the anti-reflux effect is also achieved through the arrangement of the anti-reflux ball, dual anti-reflux protection is formed through the mutual cooperation of the anti-reflux ball and the air bag, and the anti-reflux reliability is further improved.

The invention relates to the technical field of medical instruments, in particular to an anti-reflux device and an introduction method and a recovery method thereof. The anti-regurgitation device comprises an implantation supporting assembly, the implantation supporting assembly comprises a first expandable supporting body, the first expandable supporting body is used for being implanted and embedded in the gastric fundus submucosa close to the cardia position and expands to generate a protrusion towards the inner side of the stomach to form an anti-regurgitation valve, and when the gastric peristalsis contracts, the protrusion generated by the first expandable supporting body moves towards the cardia position and blocks the pentenome, so that the anti-regurgitation valve is formed. The gastric contents are prevented from flowing back to the esophagus through the cardia; the leading-in pushing assembly is used for leading and implanting the implantation supporting assembly to a designated position and releasing the implantation supporting assembly, and the designated position comprises the gastric fundus submucosa close to the cardia position. According to the anti-reflux device and the introduction method and the recovery method thereof, the anti-reflux device is implanted into the body of a patient through a minimally invasive means, the effect of inhibiting gastroesophageal reflux is achieved, operation is easy, trauma is small, and recovery is fast.

The invention relates to the technical field of gastrointestinal decompression equipment, in particular to gastrointestinal nursing decompression equipment which is characterized in that the gastrointestinal nursing decompression equipment comprises a shell, a side groove is formed in one side of the shell, and an inner block is in threaded connection with the interior of the side groove; during use, the air extraction airbag can be pressed to extract air in the side groove to generate negative pressure, then the first screw rod is rotated according to the requirement of a patient to push and pull the piston, the size of an inner cavity of the side groove is changed, then the suction force is changed, the second screw rod can be rotated to push the adjusting plate and the contraction spring to change the elastic force, and the negative pressure in the side groove is prevented from being too large; the air bag cannot restore to the original state due to insufficient resilience force, the first electromagnetic valve can be opened through the control panel, pressure reduction can be conducted, meanwhile, the stomach content can be extracted, after pressure reduction is completed, the first screw can be rotated to push the piston, then the content in the side groove is pushed to be discharged through the second electromagnetic valve, and meanwhile the cross-shaped block and the cross-shaped groove are arranged in a sleeved mode, so that the stomach content is extracted. And the inner block can be rotated out by continuously rotating the piston, so that subsequent cleaning is facilitated.

The invention provides an estuary juvenile fish habitat quality evaluation method, which comprises the following steps: S11, collecting juvenile fish samples, simultaneously collecting environment data preferred by the juvenile fish samples, and processing the environment data to obtain an environment factor adaptation threshold value and the requirements of juvenile fishes on habitat characteristics; s12, extracting the gastric content of the juvenile fish sample, determining the gastric content, determining the composition of the gastric content, and further deducing the feeding habitat of the juvenile fish; s13, extracting and analyzing otolith of the juvenile fish sample, and determining a migration path recording matrix of juvenile fish structuring; s14, calculating an ecological adaptability index of the juvenile fish in the single habitat according to the environmental factor adaptation threshold value of the juvenile fish sample, the habitat characteristic demand of the juvenile fish, the composition of the stomach content of the juvenile fish and the structured migration path recording matrix of the juvenile fish; and S15, calculating the final ecological adaptability value of the corresponding habitat according to the ecological adaptability index values of all juvenile fishes in the single habitat. According to the invention, the accuracy of key juvenile rearing habitat identification and the precision of ecological management are significantly improved.

This invention discloses an anti-reflux gastric tube, relating to the field of medical device technology. It includes a tube body, a connector connected to one end of the tube body, a tip located at the end furthest from the tube body and connector, with a spherical closed tip and side holes on its sidewalls, and a balloon assembly fitted onto the outside of the tube body, with one end fixedly connected to the tube body. The balloon assembly converges towards the center, its outer surface tightly adhering to the inner wall of the gastric tube. The advantages of this invention are: the radial expansion of the balloon assembly actively seals the micro-gaps around the tube, effectively blocking the reflux path of gastric contents; it is easy to operate, requiring only one hand to pull; during removal, the support portion contracts and punctures the inner wall, and after the gas is expelled, the folds wrap around the tip, avoiding damage to the esophageal mucosa, significantly improving clinical safety and ease of use.

The present invention generally relates to novel multi - agonist peptides useful as agents for the treatment and prevention of metabolic diseases and disorders, such as those that can be alleviated by control of weight loss, plasma glucose and lipid levels, insulin levels, and / or insulin secretion, positive inotropic action, reduction of catabolism, deceleration of gastric emptying, and prevention of neurodegeneration. Such conditions and disorders include, but are not limited to, food intake, weight loss, energy metabolism, plasma glucose levels, insulin levels and / or insulin secretion, positive inotropic action, reduction of catabolism, deceleration of gastric emptying, obesity, diabetes and diabetes - related conditions, control of liver fat - related inflammation and damage. Such conditions and disorders include, but are not limited to, hypertension, dyslipidemia, cardiovascular disease, eating disorders, and rare genetic disorders of obesity, such as Prader - Willi syndrome, critical care, insulin resistance and its disorders, such as polycystic ovary syndrome, obesity, all types of diabetes including type 1, type 2 and gestational diabetes, and CNS disorders, such as prevention of neurodegeneration, depression, alcoholism, Alzheimer's disease and Parkinson's disease, and non - alcoholic steatohepatitis (NASH).

The utility model discloses a ruminant rumen content collecting device. The ruminant rumen content collecting device comprises a guide pipe; a rumen content inlet cavity and a rumen content collecting cavity are formed in the sampling pipe, one end of the rumen content inlet cavity is communicated with one end of the guide pipe, the other end of the rumen content inlet cavity is communicated with one end of the rumen content collecting cavity, and a rumen content inlet communicated with the rumen content inlet cavity is formed in the outer pipe wall of the sampling pipe; the guide wire extends into the catheter, the rumen content enters the cavity, and a push plug used for pushing the rumen content in the rumen content entering cavity to the rumen content collecting cavity is fixed at the end of the guide wire. According to the device, only one-time intubation operation is needed, the rumen contents are pushed to the rumen content collecting cavity by repeatedly drawing and pushing the guide wire, the rumen contents do not need to be drawn out through a catheter through traditional negative pressure suction, and the problem that due to the fact that the rumen contents flow out through the catheter, the catheter is prone to being blocked, and oedema is caused by repeated intubation stimulation of the esophagus is solved.

A method and apparatus for determining gastric content volume. The internal temperature of the contents of the stomach is measured at least one predetermined time t after the patient is fed, and the gastric volume determined from the temperature. In preferred embodiments, a known volume of water at a known temperature is injected into the stomach, and the temperature of the stomach contents is measured after the stomach temperature has stabilized. An apparatus for performing the method, in which continuous measurement is possible without disturbing the patient's feeding schedule, and a method for using the inventive method in the control of an automatic feeding apparatus, are also disclosed.