524 results about "Stomach tubes" patented technology

The invention discloses a stomach tube tail end three-dimensional positioning method based on a high-precision permanent magnet mark and a flexible TMR array. The method comprises the following steps: disinfecting a stomach tube and a permanent magnet marker; the miniaturized permanent magnet marker is firmly installed at the front end of the stomach tube; reserving a mounting position at the front end of the stomach tube, and inserting the stomach tube into the esophagus of a patient through a nasal cavity or an oral cavity until the stomach tube reaches a preset position; flexible TMR sensor arrays in double-sided distribution are arranged in the chest area and the back area of the patient; according to magnetic field data detected by a TMR sensor array, coordinates of a permanent magnet marker in a sensor coordinate system are solved through magnetic dipole modeling and nonlinear optimization, a thoracic coordinate system transformation matrix is established, and three-dimensional position coordinates of the permanent magnet marker in a world coordinate system are determined; a magnetic dipole reverse solution positioning method is adopted, and meanwhile, the zero radiation exposure risk is ensured; spatial registration with an ultrasonic image is supported, and the positioning precision and the anti-interference capability are improved.

The invention provides a stomach tube auxiliary system which comprises a pressure sensor, a detection indicating lamp and a detection processing module, the detection processing module is connected with the pressure sensor and the detection indicating lamp, and the pressure sensor is arranged at the end, entering the throat, of a stomach tube; the detection processing module determines whether the stomach tube enters the stomach or not according to the pressure value detected by the pressure sensor in the process that the stomach tube enters the first depth range in the throat, and if not, the detection indicating lamp is controlled to be turned on in a second color, whether the stomach tube enters the stomach or not is determined according to the pressure value detected by the pressure sensor in the process that the stomach tube enters the second depth range in the throat, if the stomach tube enters the stomach, the detection indicating lamp is controlled to be turned on in the first color, and if the stomach tube does not enter the stomach, the detection indicating lamp is controlled to be turned on in the third color; therefore, a medical worker can adjust the insertion direction of the stomach tube by checking the lighting color of the detection indicating lamp, and the safety of a patient is guaranteed.

The invention provides an intelligent stomach tube based on optical fiber sensing and image monitoring, and the stomach tube comprises a stomach tube body which is internally integrated with an optical fiber and a miniature camera assembly; at least three FBG (Fiber Bragg Grating) sensing nodes which are respectively positioned in the stomach, the esophagus and the throat section are inscribed on the optical fiber and are used for acquiring pressure and temperature signals; the miniature camera assembly is arranged on the inner wall of the throat section and used for collecting images. A demodulation-edge AI processing terminal is arranged outside the body, connected with the sensing nodes and the camera shooting assembly and used for demodulating signals and conducting multi-mode fusion analysis on the basis of pressure signals and image data, real-time judgment of the situation that the catheter enters the airway by mistake, intelligent evaluation of the risk of aspiration before catheter drawing and early warning output when the risk exceeds the standard are achieved. According to the invention, the FBG sensing node and the miniature camera shooting assembly are integrated in the stomach tube, and the in-vitro demodulation-edge AI processing terminal is combined, so that precise and automatic monitoring and early warning of the whole process from tube indwelling to tube drawing evaluation are realized, and the safety and the medical quality of a patient are fundamentally improved.

The invention relates to the technical field of stomach tube interaction, and discloses an intelligent multi-mode man-machine interaction stomach tube system, which comprises a stomach state threshold evaluation module, a stomach state monitoring module, a stomach interaction module and a stomach tube verification module, and is characterized in that the stomach state threshold evaluation module comprises a patient correlation evaluation unit and a patient risk threshold evaluation unit; the stomach state monitoring module comprises a stomach comprehensive risk analysis unit and a first risk assessment unit, and the stomach interaction module comprises a fluctuation risk assessment unit and a second risk assessment unit. According to the system, historical patient data and current patient information are integrated, high-risk samples are screened through correlation coefficient calculation, a personalized risk threshold value is constructed, evaluation objectivity is improved, multi-dimensional stomach parameters are collected, the risk coefficient is synthesized to comprehensively reflect the stomach state, and the risk coefficient is used for evaluating the state of the stomach. The multi-modal data is converted into a visual stomach risk fluctuation coefficient and is dynamically displayed to assist medical personnel in quickly making decisions, so that the stomach condition of the patient is accurately monitored.

The invention discloses a multifunctional intelligent stomach tube, and belongs to the field of medical instruments, the multifunctional intelligent stomach tube comprises an outer tube mechanism, the outer tube mechanism comprises a stomach tube body and a rubber head, one end of the inner wall of the stomach tube body is provided with a slidable medicine feeding mechanism, and one end of the inner wall of the stomach tube body is slidably connected with the outer wall of a movable cylinder; a vertically-through pipe connecting through hole is formed in one end of the top of the movable cylinder, a medicine storage cavity is formed in the outer wall of the movable cylinder, a bottom cover is installed under the movable cylinder, and an illuminating lamp is installed at one end of the bottom of the bottom cover; by arranging the pushing inner pipe, the medicine feeding mechanism can be pushed, by arranging the medicine storage cavity, medical staff can place medicine powder or unground medicine in the medicine storage cavity, then the medicine is conveyed into the human body at a time through pushing of a movable cylinder, and the bottom face of the inner wall of the medicine storage cavity is arranged to be an inclined face, so that quick release of the medicine is facilitated; not only is the accuracy of medicine feeding improved, but also the situation that the medicine outlet is blocked is avoided.

The invention provides a visual stomach tube convenient for guide wire traction adjustment, which comprises a stomach catheter for feeding, a visual sleeve for visualization is sleeved at the bottom end of the stomach catheter, a traction wire connected with the visual sleeve is arranged in the stomach catheter in a penetrating manner, one side of the stomach catheter is connected with a shunt tube, the other end of the shunt tube is connected with a filter sleeve, and the filter sleeve is connected with a guide wire. A conductive wire is embedded in the stomach catheter, the traction wire is hollow, a wire set used for signal transmission and power supply is connected to the middle of the traction wire in a penetrating mode, and a filling cavity is formed in the bottom end of the stomach catheter. The stomach tube can be prevented from entering the trachea by mistake, meanwhile, after use is completed, gastric juice is extracted synchronously for inspection, operation steps are reduced, meanwhile, the visual sleeve and the guiding traction wire can be recycled, the overall use cost is reduced, and the burden of a patient is reduced.

The utility model discloses a nasal cavity indwelling stomach tube fixing device which comprises a first half cover and a second half cover, the first half cover and the second half cover are movably connected through a telescopic piece, ear hanging belts are arranged on the sides, away from the telescopic piece, of the first half cover and the second half cover, circular rings are connected to the first half cover and the second half cover, and adhesive belts are arranged in the circular rings. The nasogastric tube is fixed in the circular ring through the adhesive tape, the nose bridge of a patient is covered with the first half cover and the second half cover, the positions of the first half cover and the second half cover can be adjusted through the telescopic piece, the nasogastric tube is suitable for noses of different patients, the nasogastric tube is fixed in the circular ring through the adhesive tape, and the top of the nasogastric tube is adhered to the top of the circular ring through the middle tape. The nasal cavity indwelling stomach tube is hung on the ears of a patient through the two ear hanging belts, and the phenomenon that due to the fact that adhesive tape is pasted for a long time and not replaced in time, the viscidity of the adhesive tape is reduced, and the indwelling stomach tube falls off is avoided.

The invention discloses a gastrointestinal decompression nursing device and a gastrointestinal tract pressure supervision system, and belongs to the technical field of medical nursing. A gastrointestinal decompression nursing device comprises a suction tank, a regulation and control box, a stomach tube and a flexible arm band, and the regulation and control box comprises a data preprocessing module and a control module; a plurality of flexible resistance type sensors are distributed in the flexible arm band at equal intervals, an in-vivo capsule is arranged at the front end of the stomach tube, and a pressure sensor and a three-axis accelerometer are arranged in the in-vivo capsule. According to the gastrointestinal nursing pressure reducer, the problem that an existing gastrointestinal nursing pressure reducer cannot achieve pressure nursing and supervision work according to different patients is solved, the in-vivo capsule is integrated with the pressure sensor, the triaxial accelerometer and the impedance sensor, and the pressure in an intestinal tract cavity, the peristalsis frequency and the content impedance can be synchronously collected; in combination with body surface pressure gradient data of the flexible arm band, improper treatment caused by misjudgment is avoided, and serious complications such as intestinal perforation and bleeding caused by delayed treatment are avoided.

The invention relates to the technical field of gastrointestinal decompression, and discloses a decompression device for gastrointestinal examination, which comprises a main drainage bottle, a drainage hose fixedly connected to an inlet, a mounting rack sleeved on the drainage hose, a butt joint hose fixedly connected to the mounting rack, and a sealing shell fixedly connected to one end, away from the mounting rack, of the butt joint hose. The end, away from the butt joint hose, of the sealing shell is fixedly connected with a threaded pipe, the threaded pipe is in threaded connection with a butt joint pipe, and the end, away from the threaded pipe, of the butt joint pipe is rotationally connected with an auxiliary drainage bottle. Whether the stomach tube enters the gastrointestinal tract of a patient or not can be detected under the condition that the drainage hose and the stomach tube are not moved, and meanwhile the problem that in traditional operation, after an injector and the stomach tube are separated, bacteria are prone to being attached to the inner wall of the stomach tube, and residual gastric juice in the stomach tube flows out, and consequently potential health hazards are caused to the patient can be solved.

The invention discloses a stomach tube device with a backflow prevention function, which comprises a main body mechanism and an auxiliary mechanism, the main body mechanism comprises a stomach tube body, one end of the stomach tube body is inserted into the stomach of a patient, and the other end of the stomach tube body is connected to the outside; the hollow head is fixedly mounted at the front end of the stomach tube body; the large air bag is fixedly arranged at the front end of the stomach tube body, contracts in the hollow-out head when not inflated, and expands and expands in the stomach after being inflated; the small air bag is annular, fixedly arranged on the peripheral face of the front portion of the stomach tube body in a sleeving mode and located behind the large air bag. One end of the first thin air tube is connected to the small air bag, and the other end of the first thin air tube is connected to the upper end of the large air bag; by means of the innovative double-air-bag linkage design and the automatic physical pressure control mechanism, gastric juice backflow can be effectively prevented, continuous pressure on the cardia sphincter is avoided, meanwhile, dependence on a complex electronic sensor and a control system is not needed, and higher safety, reliability and operation simplicity and convenience are achieved.

The invention relates to the field of medical auxiliary equipment, in particular to a multifunctional stomach tube capable of monitoring intragastric pressure and pH value in real time, which comprises a catheter, a monitoring assembly, a power supply assembly and a fixing assembly, the fixing assembly comprises a nose bracket, a binding piece and a locking piece are mounted on the nose bracket, the locking piece comprises an outer shell and an inner shell, and a mounting cavity is formed between the outer shell and the inner shell; a driving part is connected into the mounting cavity and connected with a driving gear, the driving gear is meshed with a gear ring, the gear ring is meshed with a driven gear, a spiral sliding groove is formed in one side of the gear ring, and a fixing plate is arranged in the spiral sliding groove in a sliding fit mode; a trigger part is installed on one side of the fixing plate and used for monitoring the pulling force generated by the patient to the catheter and the pressure generated by the fixing plate to the catheter, and when the real-time pulling force and pressure data monitored by the trigger part exceed the pulling force threshold value, the controller sends an instruction to the driving part. The pressure and pH value in the stomach can be monitored at the same time, the fixing mode is stable and reliable, and high intelligence is achieved.

The invention belongs to the technical field of medical instruments, and particularly relates to a safe gastric lavage device suitable for children, the gastric lavage device comprises a first base and a second base, the second base is fixed on one side of the first base, and two sides of the first base are rotatably connected with a first supporting arm and a second supporting arm respectively; the two sides of the second base are rotationally connected with a third supporting arm and a fourth supporting arm respectively, a first connecting rod is fixed between the first supporting arm and the third supporting arm, a second connecting rod is fixed between the second supporting arm and the fourth supporting arm, and the first supporting arm, the third supporting arm and the first connecting rod jointly form an upper supporting unit. By rotating the first driving shaft rod, the upper supporting unit and the lower supporting unit support and limit the oral cavity of a child, a stomach tube is limited through the multiple limiting sleeves distributed in a broken line form, the insertion depth of the stomach tube is prevented from being changed, and the safety of the child in the gastric lavage process is improved.

The utility model discloses a multifunctional stomach tube combination device capable of dynamically monitoring the residual volume of the stomach. The multifunctional stomach tube combination device comprises a feeding tube, a floating air bag, an air path tube, a sensing chip and a monitor. The tail end of the feeding pipe is used for being connected with a nutrient solution injection device, and a nutrient solution outlet is formed in the head end of the feeding pipe. The floating air bag is mounted on the outer wall of the feeding pipe and is close to the nutrient solution outlet; one end of the air path pipe is communicated with the floating air bag, and the other end is provided with a one-way air valve connected with an external air source; the middle section of the pipe body of the gas path pipe is fixedly connected with the outer pipe wall of the feeding pipe into a whole; the sensing chips are distributed on the pipe wall of the feeding pipe; the monitor is in signal connection with the sensing chip; and the monitor is used for reading an induction signal obtained by the induction chip. The stomach residual volume early warning device can dynamically monitor the stomach residual volume of a patient in the stomach tube feeding process, early warning is achieved for excessive stomach residual volume, and the phenomena that the patient vomits and inhales the lung by mistake are reduced.

The visible nasointestinal tube comprises a stomach tube, the end, entering the human body, of the stomach tube is a far end, and the other end of the stomach tube is a near end; the inner side of the stomach tube is sleeved with an intestinal tube in a clearance mode, the near end of the stomach tube is connected with a suction connector, the near end of the intestinal tube is connected with a feeding connector, the far end of the intestinal tube extends out of the far end of the stomach tube, the intestinal tube is connected with a visual system, and the far end of the visual system is a camera shooting end which is located at the far end of the intestinal tube. The utility model has the advantages that feeding and intragastric decompression are integrated, the catheter indwelling difficulty can be reduced, and the catheter indwelling injury can be reduced.

The invention provides a stomach tube space registration and dynamic positioning method based on historical features, and relates to the technical field of medical instruments, and the method comprises the following steps: data acquisition: recording a catheterization path curve when the catheterization of a patient succeeds, and determining the catheterization path curve as a physiological feature curve; data calibration: marking coordinates of key feature points such as an airway opening, key parts of an esophagus and a stomach entrance on the physiological feature curve; space registration: registering the real-time catheter advancing curve and the physiological characteristic curve in the same coordinate system, and aligning data; dynamic positioning: calculating the position deviation of the front end of the stomach tube, dynamically calibrating based on a deviation value, and controlling the stomach tube to move along a physiological characteristic curve, in the data acquisition step, the physiological characteristic curve is used as a historical reference for path matching in a subsequent tube indwelling process, and in the data calibration step, the tube indwelling control precision is improved by more than or equal to 15% by dividing characteristic sections; and by utilizing a historical physiological curve, the catheterization path deviation is less than or equal to 2mm, and the control precision is improved by 30%.

The utility model belongs to the technical field of breathing masks, and provides a breathing mask with a stomach tube pipeline, which comprises a mask body, a flexible cushion layer is fixedly arranged on one side in the mask body, an oxygen tube hole and a stomach tube hole are arranged on one side of the mask body, and an oxygen tube and a stomach tube are movably connected on one side of the mask body. The independent stomach tube hole is formed in one side of the oxygen tube hole, and the stomach tube is connected to the inner side of the stomach tube hole, so that a special channel is provided for the stomach tube, the stomach tube can be conveniently inserted into the breathing mask when a patient uses the breathing mask, stomach tube feeding or gastrointestinal decompression is achieved, and the breathing mask is convenient to use. Due to the design of the stomach tube hole, the problem of air leakage caused by the fact that the stomach tube is pressed below the breathing mask is solved, the sealing performance and the using effect of the breathing mask are improved, the stomach tube and the oxygen tube are mutually independent and do not interfere with each other, and therefore the stability and reliability of the treatment effect are guaranteed.

The invention relates to an intelligent stomach tube positioning system and a positioning method thereof, and belongs to the technical field of medical stomach tubes, the system comprises a stomach tube body, the outer side of the stomach tube body is provided with an FBG sensor, and the FBG sensor is used for collecting deformation signals of the inner wall of the esophagus in real time; the data processing unit is in signal connection with the FBG sensor, a deformation waveform classification model is arranged in the data processing unit, three physiological stenosis sections of the esophagus can be identified by analyzing deformation signals, and the three physiological stenosis sections are the annular pharyngeal stenosis section, the bronchial intersection stenosis section and the diaphragm stenosis section respectively; the verification module comprises a pH sensor and an air pressure sensor which are arranged on the stomach tube body and is used for verifying the in-place state of the stomach tube body in a multi-mode manner; and the interaction module is in signal connection with the data processing unit and the verification module and is used for displaying the passing state of the physiological narrow section and triggering a multi-level alarm. According to the stomach tube, the position of the stomach tube body can be recognized, pain brought to a patient due to repeated insertion of the stomach tube in a traditional blind insertion mode is reduced, and clinical operation safety is improved.

The invention discloses a stomach tube intermittent placement teaching simulation device based on virtual reality, and relates to the technical field of stomach tube teaching equipment, and the stomach tube intermittent placement teaching simulation device comprises a VR all-in-one machine, handheld operation equipment and a VR computer; the VR all-in-one machine realizes real-time visual simulation of the virtual patient by displaying a three-dimensional view and a real-time physiological state of the virtual patient; the handheld operation device is used for simulating stomach tube insertion operation, a student interacts with a virtual patient through the handheld operation device, the handheld operation device comprises an operation handle and an induction module, and the induction module detects the operation strength, angle and speed of the student in real time and transmits the operation data to the virtual reality environment; the VR computer comprises a virtual patient intelligent state system, an augmented virtual reality feedback system, a machine learning adaptive nonlinear reaction system and a closed-loop feedback system; through virtual patient three-dimensional view and real-time physiological state simulation, more immersive learning experience is provided for students.

A respiratory mask can be used to provide therapy to patients who also require a nasogastric (NG) tube. The mask seal can include a path that is designed to deform around an NG tube or other without lifting the mask away from a patient's face. The deforming path can help to minimize gaps that form between the patient's face and the mask seal as a result of the tube, thus reducing leaks and improving the efficacy of the treatment.

The present application relates to the technical field of beef cattle feeding, and discloses a feeding device for beef cattle feeding and a use method thereof, which comprises a bottom plate, a positioning frame is fixedly installed at the top of one side of the bottom plate, a quantitative feeding mechanism is arranged on the two sides of the positioning frame, an adjustable guardrail assembly is arranged on one side of the positioning frame, a stomach tube fixing assembly is arranged on the outside of the positioning frame, and the quantitative feeding mechanism is arranged on one side of the positioning frame. The quantitative feeding mechanism is used for quantitative discharge of drinking water, liquid medicine, solid medicine and feed by means of a quantitative water supply assembly, a liquid medicine quantitative supply assembly, a solid medicine quantitative supply assembly, a quantitative feed supply assembly and a mixed feeding assembly, and then the drinking water, the liquid medicine, the solid medicine and the feed are mixed and delivered to the stomach of the diseased cattle through a stomach tube. When multiple diseased cattle are encountered, the diseased cattle can be automatically fed by the device instead of manual feeding, so that the work burden of the breeders is greatly reduced.

The utility model provides a disposable gastrointestinal decompression drainage device, and belongs to the technical field of medical instruments. The disposable gastrointestinal decompression drainage device comprises a negative pressure drainage bag, a drainage butt joint pipe is fixed to the upper end face of the negative pressure drainage bag, and an upper end opening used for being in butt joint with a stomach tube and a lower end opening communicated with the top of the negative pressure drainage bag are formed in the upper portion and the lower portion of the drainage butt joint pipe respectively. The diameter of the upper end opening is smaller than that of the lower end opening, the drainage butt joint pipe is of a circular truncated cone structure, and vertical pressure reduction scales are arranged on the side face of the negative pressure drainage bag. The upper end face of the negative pressure drainage bag is further provided with an exhaust pipe, and the top of the exhaust pipe is matched with a sealing plug. A hook used for hanging is arranged on one side of the top of the negative pressure drainage bag. The stomach tube decompression device can be conveniently and tightly connected with a stomach tube for use, medical staff can conveniently and rapidly evaluate the decompression amount of intestines and stomach, and the overall use effect is good.

The utility model belongs to the technical field of medical instruments, and discloses an anti-falling device for fixing a stomach tube, which comprises a connecting plate provided with a through hole; the conical ring is arranged on one side of the connecting plate, external threads are arranged on the outer side face of the conical ring, the conical ring is in threaded connection with a nut sleeve, separation grooves are formed in the conical ring to divide the conical ring into a plurality of units, and each unit is fixed to the connecting plate; and two ends of the elastic band are fixed with the connecting plate. After the stomach tube penetrates through the connecting plate and the conical ring, the nut sleeve is rotated to move in the direction away from the connecting plate, the units continuously extrude the stomach tube towards the middle, the stomach tube is held to be limited, the elastic band can penetrate through the upper portion of the ear of a patient to be hung on the ear, and the position of the ear is higher than the nose. The elastic band can lift the connecting plate, then the elastic band is wound to the jaw from the back of the ear, the middle part of the elastic band is hung below the jaw, and the elastic band is restrained and prevented from being separated.

The utility model discloses an anti-wall-hanging stomach tube cleaning brush which comprises a stomach tube pipeline and a guide wire arranged in the stomach tube pipeline, a fixing block is arranged at the lower end of the guide wire, a cleaning brush body is arranged on the outer side of the fixing block, a reset spring is fixedly installed between the cleaning brush body and the fixing block, and an efficient cleaning mechanism is arranged on the outer side of the cleaning brush body. A mounting groove is formed in the upper end of the fixing block, and a guide wire is embedded into the mounting groove. When the stomach tube cleaning brush capable of preventing wall hanging is used, a guide wire and a fixing block are connected, the guide wire is embedded into a mounting groove formed in the upper end of the fixing block, when the lower end of the guide wire is embedded into the mounting groove, the lower end of the guide wire extrudes a clamping block, and the clamping block is extruded to move outwards due to the inclination of the clamping block to extrude a clamping spring; and after the clamping blocks correspond to the clamping grooves in position, the clamping blocks are automatically clamped in the clamping grooves under the elastic force action of the clamping springs, the guide wires and the fixing blocks are connected in a clamped mode, the effect of convenient installation is achieved, and rapid installation can be achieved.

The utility model belongs to the technical field of medical instruments, and particularly relates to an anaesthetic mask which is mainly used for anesthetizing a patient with a stomach tube. The mask mainly comprises a mask body; the flexible pad forms a closed pattern along the edge of the mask body, and a groove is formed in the flexible pad in the direction towards the mask body; the sealing piece is arranged in the groove, and the sealing piece is arranged along the edge of the groove; mainly solves the problems that when a stomach tube is reserved on a patient, the periphery of an anaesthetic mask cannot be completely attached to the face of the patient due to the existence of the stomach tube, so that a gap exists between the anaesthetic mask and the face of the patient, and the anaesthetic effect is greatly reduced due to air leakage in the ventilation process.

The invention discloses a non-invasive ventilator mask sealing and fixing structure adaptive to multi-diameter nasogastric tubes, comprising: a separate folding mask assembly which can be opened in a hinge manner and wraps the face of a patient; the middle fixing ring and the separated folding mask assembly are designed in a separated mode, and the middle fixing ring can be fixed to the head of the patient. The elastic conical sealing structure is connected between the elastic conical sealing structure and the middle fixing ring and used for enlarging the aperture of the elastic conical sealing structure so that a pipe fitting can be conveniently inserted, the elastic conical sealing structure is made of an elastic silica gel material, and nose tubes, intestine tubes and stomach tubes of different diameter sizes can be sealed. Compared with the prior art, the sealing and fixing structure for the noninvasive ventilator mask has the advantages that special masks do not need to be replaced for pipelines with different diameters, the universality of the mask is improved, the tube does not need to be pulled out and inserted again when the mask is disassembled, and the sealing and fixing structure for the noninvasive ventilator mask can guarantee the sealing effect and wearing comfort and has important clinical significance.

The stomach tube comprises a main tube body, a plugging head and a side hole, the plugging head is plugged at the tail end of the main tube body, the plugging head is composed of a first plugging head body and a second plugging head body which are of an integrated structure, the first plugging head body is located outside the main tube body and abuts against the tail end of the main tube body, the second plugging head body is plugged into the main tube body, and the side hole is formed in the main tube body. The main pipe body is provided with a plurality of side holes, the side holes are close to the tail end of the main pipe body, and when the main pipe body is vertically arranged with the tail end facing downwards, the lowest position of the upper end face of the second plug body is not lower than the lowest positions of the side holes. According to the stomach tube, the lowest position of the upper end face of the second plug body is not lower than the lowest position of the side hole, so that an area where gastric juice and food residues remain is not prone to being formed in the stomach tube, the gastric juice and the food residues are not prone to being brought into the esophagus and the nasal cavity when the stomach tube is pulled out, the esophagus and the nasal cavity are not prone to being stimulated, and use is safer.

The utility model relates to the technical field of stomach tube adapters, in particular to an anti-reflux stomach tube adapter structure. According to the technical scheme, the device comprises a protective shell, a sealing cover is installed at the open end of the protective shell, two connector positioning bases are fixedly installed on the protective shell, a built-in hose is arranged in the protective shell, hollow pipe connectors are installed at the two ends, away from each other, of the built-in hose, one hollow pipe connector is sleeved with an anti-fouling cover, and an adjusting base is installed on the outer wall of the protective shell; an adjusting screw rod is installed on the adjusting base in a threaded mode, and a semi-arc-shaped pressing plate is rotationally installed at one end of the adjusting screw rod. The built-in hose can be stably clamped through the semi-arc-shaped pressing plate, when the stomach tube is not connected with a feeding device, gastric juice can be prevented from flowing back, the situation that the stomach tube is opened due to the fact that a patient touches the adapter by mistake is avoided, the anti-backflow effect is enhanced, the anti-pollution cover is installed on the corresponding connector positioning base, the hollow tube connector can be prevented from being polluted, and the anti-pollution effect is good. And the use safety of the stomach tube is effectively improved.

The invention relates to the technical field of medical instruments, in particular to a device for assisting in placing a stomach tube under general anesthesia, which comprises a fixing frame, the stomach tube is arranged in the fixing frame, a positioning mechanism is arranged on the outer side of the fixing frame, and a guide mechanism is arranged in the fixing frame; the positioning mechanism comprises a wire, a camera and a display screen, the wire is inserted into the stomach tube, the end of the wire is connected with the camera, and the display screen is installed on the inner wall of the left side of the fixing frame. The positioning mechanism is arranged, the camera is placed at the end of the stomach tube through a wire, the situation that the stomach tube is placed into the stomach can be shot, the position is displayed in real time through the display screen, safety in the placing process is ensured, and mucous membrane damage caused by repeated trial insertion of the stomach tube is avoided; by arranging the guide mechanism, the stomach tube can be simply limited, the use safety is improved, and medical staff can conveniently and more stably place the stomach tube.

The present invention discloses a gastric tube that facilitates determination of the insertion length, and relates to the technical field of gastric tubes. Specifically, the present invention includes a gastric tube body, a deformation part, and a traction wire. The gastric tube body is provided with at least one flow channel. One end of the traction wire is inserted into a flow channel of the gastric tube body. The deformation part is connected to the end of the traction wire inserted into the gastric tube body. The traction wire is used to drive the deformation part to generate deformation in the radial direction of the gastric tube body, and the position of the deformation part is determined according to the amount of deformation of the deformation part. The present invention provides a deformation part on the side wall of the gastric tube body, and judges whether the deformation part is in the stomach by the amount of deformation of the deformation part, achieving the effect of quickly determining the insertion depth of the gastric tube.

The utility model discloses a micro motor control type artificial stomach tube sphincter which comprises a stomach bag, the top end of the stomach bag is connected with a stomach tube, a bandage is movably installed on the outer surface of the stomach tube, a rope ring groove is formed in the bandage, a tightening rope is movably installed in the rope ring groove, the bandage is made of silica gel, and the tightening rope is connected with the stomach bag. The bandage is spirally wound on the surface of the stomach tube, and the tightening rope is attached to the surface of the stomach tube. Through the cooperation of the tightening rope and the push-pull type electromagnet, when the device is used, the push-pull type electromagnet can be controlled through external remote control to drive the T-shaped connecting rod to retract, so that the two ends of the tightening rope are pulled through the connector, the tightening rope is tightened towards the inner side, and then the stomach tube is extruded to contract towards the inner side; and then the push-pull type electromagnet drives the T-shaped connecting rod to be pushed out, the tightening rope is loosened, then the stomach tube is loosened, relaxation and contraction of the sphincter are achieved, and then the feeding requirement is met.