376 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 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 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 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 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 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.

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 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 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 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.

The utility model discloses a pharyngeal electrical stimulation catheter which comprises a lengthened stomach tube and a catheter sleeve, the surface of the lengthened stomach tube is sleeved with the catheter sleeve, one end of the lengthened stomach tube is provided with a stomach tube reducing sleeve, the end, away from the stomach tube reducing sleeve, of the surface of the catheter sleeve is sleeved with a balloon, and the outer wall of the balloon is provided with a plurality of sets of electrode strips at equal intervals. And a plurality of groups of micro cameras are mounted on the surface of the balloon on one side of the electrode strip at equal intervals. The pharyngeal electrical stimulation catheter is convenient to operate, control and convey to the pharynx for accurate electric shock treatment, visual observation of operation electric shock is facilitated, direct observation of the implantation depth of the pharyngeal electrical stimulation catheter is facilitated, convenience of operation and use of the pharyngeal electrical stimulation catheter is improved, and the pharyngeal electrical stimulation catheter is used as a new treatment means and is worthy of popularization and application. New hope, simple instruments and equipment and operation procedures are brought to patients with dysphagia, so that the patients can be conveniently treated at home or in daily life, and a humanized treatment scheme is provided.

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 utility model provides a disposable half-supporting glasses type stomach tube fixator, and belongs to the technical field of medical instruments. The utility model solves the problem of how to prevent the skin of a patient from being damaged and prevent the patient from being bent in the use process. The disposable half-supporting glasses type stomach tube fixator comprises a nasal paste made of an elastic material and a filling tube made of an elastic material, the surface of one side of the nasal paste is sticky, a filling groove is formed in the side wall of the filling tube in the length direction, and the filling groove penetrates through the two ends of the filling tube. The filling pipe comprises a connecting section used for being connected with the nasal paste, a protruding section arranged in an arched mode towards the side face, back to the sticky side of the nasal paste, of the nasal paste and a maintaining section internally provided with a steel wire, and the protruding section is located between the connecting section and the maintaining section. According to the disposable half-supporting glasses type stomach tube fixator, the skin of a patient can be prevented from being damaged, and meanwhile the disposable half-supporting glasses type stomach tube fixator is prevented from being bent in the using process.

The utility model discloses a device for nursing a nasal cavity in the technical field of medical nursing appliances, which is reasonable in structure, a medical proof fabric is adhered to the surface of the nasal part of a patient, a plurality of auxiliary proof fabrics on the medical proof fabric can be correspondingly adhered to two sides of the nasal part, the adhesion area of the auxiliary proof fabrics is small, and the auxiliary proof fabrics can be used for nursing the nasal cavity. The adhesive tape has the advantages that the adhesive tape can be adhered to the nose surface of a patient in a large area to influence skin breathability, cutting is not needed, gaps exist between the auxiliary adhesive tapes, and the requirement for nose areas of different patients can be met; the adhesive plate on the polyester foam block is adhered to the lower portion of the nose wing adhesive tape through the adhesive layer; according to the stomach tube fixing device, the mounted polyester foam does not influence excessive pressure on the nose wing, the stomach tube is clamped into the stomach tube clamping groove, the opening of the stomach tube clamping groove is sealed by the fixing adhesive tape, and then the stomach tube is clamped by the clamping hoop matched with the anti-skid ring, so that the stomach tube is stably fixed, and meanwhile, the comfort and nursing efficiency of a patient are improved.

The invention provides a temperature-sensing automatic heating nasal feeding device, belongs to the technical field of medical instruments, and is used for solving the technical problem that the temperature of milk actually entering a nasal cavity is obviously lower than a set threshold value. The device comprises a machine body, a first container, a first power mechanism and a heating part, the first container and the first power mechanism are arranged on the machine body, the first container is used for storing milk powder, and the first power mechanism provides power for extruding the milk powder from the first container; the heating part comprises a channel cavity, an outer layer cavity, a heating column, a final temperature sensing piece and an induction coil; the outlet end of the channel cavity is used for being connected with a nasal feeding stomach tube, the inlet end is connected with a first container through a first middle tube, a protruding installation column is arranged on the inner wall of the channel cavity, a heating column is installed on the side, located at the inlet end, of the installation column, and a final temperature sensing piece is installed on the side, located at the outlet end, of the installation column. The induction coil is located in the outer layer cavity and located in an area corresponding to the heating column. The device has the effect of ensuring that milk is stably maintained in a proper temperature range before entering the nasal cavity.

The utility model relates to the technical field of medical instrument application, and discloses an anti-regurgitation stomach tube fixing device for internal medicine nursing, which comprises a main body frame, a stomach tube plate fixedly connected with the main body frame is arranged on the main body frame, a plurality of limiting holes are arranged on the stomach tube plate, a fixedly connected support rod is arranged on the main body frame, and a plurality of fixing holes are arranged on the support rod. A plurality of tube locking frames are arranged on one side of the stomach tube plate and penetrate through the main body frame, after a patient takes food through the stomach tube, the tube locking frames are pressed down, the tube locking frames are extruded on the stomach tube, the stomach tube is flattened, and the tube locking frames are inserted into the tube locking frames, so that the stomach tube is prevented from being damaged. Food in the stomach of a patient is effectively prevented from flowing back through the stomach tube.

The utility model belongs to the technical field of medical instruments, in particular to a stomach tube fixed on cardia, which comprises a stomach tube body, an inner air bag and an indicating air bag, a fixing sleeve is mounted on a mounting ring, a butt joint ring is rotatably connected to the outer wall of the mounting ring, a positioning plate is slidably connected to the outer wall of the stomach tube body, a threaded rod is mounted on the butt joint ring, and the inner air bag is fixed on the inner air bag. The outer wall of the threaded rod is in threaded connection with a connecting sleeve, the connecting sleeve is fixedly connected with one side of the positioning plate, and the outer wall of the positioning plate is rotationally connected with a rotating ring; the positioning plate and the supporting backing ring slide on the outer wall of the stomach tube body, so that the stomach tube body is connected with the butt joint ring through the threaded rod and the connecting sleeve, when the position of the stomach tube body needs to be fixed, the length of the threaded rod and the connecting sleeve can be adjusted to the position where the positioning plate is bound on the mouth and nose through the binding belt, and the patient is prevented from moving when moving. And the stomach tube is easily pulled, so that the stomach tube is displaced in the body, and the safe use of the device on the stomach tube body is ensured.

The utility model discloses a stomach tube anti-drop locking device, which relates to the technical field of nursing, and comprises a locking mechanism, a fixing mechanism is arranged on the side surface of the locking mechanism, the locking mechanism comprises a shell, the side surface of the shell is fixedly connected with a veneering layer, the top surface of the shell is provided with a breathing hole, and the veneering layer is fixedly connected with the breathing hole. A groove is formed in the top end of the side face of the veneering layer, a nose pad is fixedly connected into the groove in the top end of the side face of the veneering layer, and a lower lip pad is fixedly connected to the bottom end of the side face of the veneering layer. After the locking mechanism fixes the position of the stomach tube, the elastic fabric is pulled, the elastic fabric is extended, the sliding block slides into the sliding groove behind the brain of a patient, due to the special shape of the clamping block, the clamping block can slide into the sliding block in the sliding process, and after the clamping block completely enters the sliding groove, the clamping block can slide into the sliding groove. And the locking mechanism is popped out under the action of the spring and is clamped in the clamping groove to fix the locking mechanism.

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 ventilation mask capable of being matched with the stomach tube comprises a mask body, a sealing pad and a breathing connector arranged in the middle of the mask body, the annular sealing pad is matched with the edge of the bottom face of the mask body, the non-inflatable sealing pad comprises a curled edge pad which is curled towards the interior of the mask body, and a stomach tube hole is formed in the position, close to the face of a patient, of the curled edge pad; the ventilation mask further comprises a plug, and the plug which is detachably plugged into the stomach tube hole is used for sealing. When the stomach tube needs to be matched, the outer end of the stomach tube hole is provided with an opening crack towards the edge of the hemming pad, and the stomach tube can be inwards clamped into the stomach tube hole from the opening of the opening crack. The utility model provides a stomach tube fixing device which is convenient for quickly fixing a stomach tube and ensuring good air tightness of a ventilation mask when the ventilation mask is worn clinically, and belongs to the field of ventilation masks.

The invention provides a three-cavity two-balloon stomach tube which comprises a conveying pipeline, a stomach cavity tube is arranged at the head end of the conveying pipeline, a stomach balloon inflation tube and an esophageal balloon inflation tube are inserted into the two sides of the outer surface of one end of the stomach cavity tube in a penetrating mode, and a dimension line is arranged on the outer side face of the other end of the conveying pipeline; a limiting assembly is arranged at the tail end of the conveying pipeline, a first supporting assembly and a second supporting assembly are arranged at the head end of the conveying pipeline, through limiting of a limiting sleeve shell, the phenomenon that the Sengstaken-Blakemore tube is inserted too long by practice medical staff can be avoided, the operation correctness is improved, and the phenomenon that after the Sengstaken-Blakemore tube is inserted, the medical staff cannot work normally is avoided. And the phenomenon of continuous insertion occurs, so that the patient can be protected.

1. Name of this design product: Gastric tube anti-disengagement. 2. Purpose of this design: To prevent the connection between the connector and the feeding tube from breaking apart when feeding liquid food into the stomach via a feeding device connected to a feeding tube. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.