758 results about "Intubation tubes" patented technology

The invention provides a human-computer interaction virtual-real simulation method and system of an intestinal nutrition nursing teaching system, and relates to the technical field of virtual interaction teaching. By integrating a force feedback glove, a bioelectric sensor and a pressure detector, multi-mode interaction data acquisition including intubation angle deviation, maximum force application pressure value and step interval time is realized; the operation feedback dimension and immersion are improved; the system is combined with a scene construction and intelligent guide module, when the detection operation goodness of fit is lower than a preset threshold value or the process completion degree is insufficient, force feedback vector correction and cognitive prompt are triggered, and standard attitude and step memory are guided; and the comprehensive evaluation module summarizes key indexes to calculate a total operation score, performs defect positioning and training suggestion matching on low-score behaviors, generates a structured visual learning report, constructs a cognition-operation-feedback closed loop, and solves the problems of single interactive feedback, insufficient teaching structuralization and lack of feedback mechanisms.

The invention provides a negative pressure sputum aspirator for helicopter air rescue and a control method of the negative pressure sputum aspirator. The negative pressure sputum aspirator comprises a sputum storage bottle, a sputum suction pipe and a negative pressure suction device. The negative pressure sputum aspirator further comprises a pressure sensor used for monitoring the sputum suction pressure, a pressure adjusting device used for adjusting the sputum suction pressure and a limiting device used for fixing and limiting the insertion difficulty degree of the sputum suction pipe. The signal output end of the airplane bumping detector is connected with the bumping input end of the controller, and the airplane bumping detector is used for transmitting bumping information of the airplane to the controller; in the sputum suction process, when the airplane bumps, the controller controls the pressure regulating device to work according to a pressure signal of the pressure sensor so as to reduce the sputum suction pressure, and mucous membrane injury caused by sudden shaking when the airplane bumps is avoided; the controller controls the limiting device to work according to the bumping degree, the insertion difficulty degree of the sputum suction tube is adjusted, the target tube insertion depth is accurately reached, and the situation that due to sudden shaking, the sputum suction tube is inserted too deep, and a patient is accidentally injured is avoided.

Provided is a multifunctional connector. The multifunctional connector includes an auxiliary conduit which is branched from a main conduit and has a guide portion; and an operation member provided detachably from the auxiliary conduit, wherein the operation member includes an intubation portion inserted into the auxiliary conduit; sliding guide formed to move forward and backward while being guided by the guide portion; a fixing cap fixing the sliding guide so as not to be separated from the guide portion; and a first port through which a fluid is injected or discharged, thereby improving the efficiency of treatment, mitigating the fatigue of medical staffs, and reducing contamination of affected areas and a risk of damage to tissues around an endoscope.

The present invention deals with a heat and moisture exchange filter with biocidal activity for medical ventilation equipment that comprises polymeric cellulose fibers impregnated with silver nanoparticles (AgNPs). The heat and moisture exchanger filter can be used in intubated patients under artificial ventilation in anesthesiology and intensive care and allows robust replacement, a fundamental utility for protection against nosocomial cross-contamination infections caused by microorganisms, such as bacteria, fungi, yeasts and viruses.The invention also deals with the method of preparing the heat and moisture exchange filter with biocidal activity and the use of silver nanoparticles.

The invention provides an outpatient hemodialysis infection event monitoring system and monitoring method, and is applied to the technical field of data processing. The method comprises the following steps: processing vascular access information of a target patient and an outpatient hemodialysis intubation record of the target patient to generate a hemodialysis event influence factor; processing the dialysis physiological parameter information of the target patient within the preset time to generate hemodialysis monitoring parameter information of the target patient; processing the historical infection data of the hemodialysis target patient to generate a hemodialysis prediction monitoring feature vector; and processing the hemodialysis event influence factor, the hemodialysis monitoring parameter information of the target patient, the hemodialysis prediction monitoring feature vector and the infection examination result information of the target patient based on the target hemodialysis event early warning model to generate hemodialysis infection event early warning information.

A system, method and apparatus to automatically perform endotracheal intubation in a patient comprising, inserting a blade inside the upper airway of the patient to retract an anatomical structure; inserting a bending portion and a tube arranged on the bending portion inside the airway of the patient; collecting airway data using at least one imaging sensor arranged on the bending portion; communicating collected airway data to a processing circuitry; predicting an intended path for insertion of the tube and generating control signals using the processing circuitry, wherein the intended path is predicted based on at least one anatomical structure recognized by the processing circuitry using the collected airway data; and communicating the control signals generated by the processing circuitry to at least one actuation unit to actuate the three-dimensional movement of the tube.

The invention provides an intelligent airway management system and method, and the method comprises the steps: screening an effective region of an intubation structure in each airway image through the pixel contribution degree in each airway image, and determining the recognition attention of each airway image; determining a spatial topological structure relationship of the intubation structure in the airway of the patient among multiple view angles according to a spatial mapping relationship among key nodes related to the intubation structure in each airway image; performing cross-view cross fusion on each local feature and each global feature in the airway image at different visual angles based on the spatial topological structure relationship and all recognition attention to obtain a cross fusion feature vector of the airway state of the patient; and generating a risk prediction level of the difficult airway of the patient by combining a pre-constructed difficult airway prediction model with the cross fusion feature vector of the airway state of the patient. By adopting the scheme of the invention, airway state recognition based on a multi-view spatial topological relation can be realized, and the accuracy of difficult airway prediction can be improved.

The invention belongs to the technical field of medical instruments, and discloses a gynecological postoperative flushing device which comprises an outer flushing tube and an inner suction tube, the outer diameter of the inner suction tube is smaller than the inner diameter of the outer flushing tube, and the inner suction tube penetrates through the outer flushing tube; the liquid inlet end of the outer flushing pipe is communicated with a flushing pump, the liquid inlet end of the flushing pump is communicated with a liquid storage bottle for storing flushing liquid, and a first through hole is formed in the liquid outlet end of the outer flushing pipe; the liquid outlet end of the suction inner tube is communicated with a collecting bottle, the collecting bottle is communicated with the suction pump through a negative pressure tube, and a second through hole is formed in the liquid inlet end of the suction inner tube; the outer side of the flushing outer pipe is adjustably connected with a fixing assembly. The flushing outer pipe and a wound are fixed through the fixing assembly, the fixing effect is good, and the situation that the pipeline displaces to rub skin is avoided; the flushing pump is started to flush the wound position in the abdominal cavity through the flushing outer pipe, the suction pump is started to drain hydrops in the abdominal cavity through the suction inner pipe, and flushing and drainage work can be completed through one-time intubation operation.

The invention relates to the technical field of medical image processing and interventional therapy assistance, and discloses an intubation fluorescent image feature learning system for hepatic artery chemoembolization. Comprising an image acquisition module which is configured to acquire a distortionless two-dimensional fluorescent blood vessel image in a hepatic artery chemoembolization super-selective intubation process; the control module is used for extracting surface geometric features of the blood vessel from the two-dimensional fluorescent blood vessel image; inputting the surface geometric features to a preset spatial reasoning model, and outputting a spatial distribution probability matrix of each blood vessel part; capturing a difference signal between the spatial distribution probability matrix and angiography feedback data in an actual intubation process in real time, and forming an iterative training data set to optimize the spatial reasoning model; and identifying a potential complex blood vessel region according to the spatial distribution probability matrix, generating an intubation path early warning signal, and generating guide parameters of X-ray release opportunity and dose based on the early warning signal so as to reduce radiation exposure.

The catheter comprises a catheter body and a camera shooting assembly, the catheter body comprises an operation part and an intubation tube from the near end to the far end, and the camera shooting assembly comprises a camera installed at the head end of the intubation tube. The operation part comprises an operation part shell, and a perfusion joint, a suction joint and an instrument inlet which are arranged on the operation part shell; a liquid outlet channel and a liquid inlet channel are arranged in the intubation tube, and the liquid outlet channel and the liquid inlet channel are arranged separately; the cannula comprises a main tube section, a bent section and a head end in the extending direction from the near end to the far end, the bent section is driven by the operation part to drive the head end to deflect, and the flexible tube wall at least partially limits the boundary of the liquid inlet channel and / or the liquid outlet channel.

The invention relates to the technical field of medical endoscopes, and provides an endoscope with a temperature measurement function, the endoscope comprises an operation part and a soft lens catheter, and the operation part and the soft lens catheter are both internally provided with a liquid supply channel, a suction channel and a transmission medium channel; the flexible lens catheter is detachably arranged on the operating part through a connecting part, and the connecting part comprises a locking piece, a sealing insertion tube, an elastic contact piece and a sealing piece; the operation part and the flexible lens catheter are both provided with the abutting pipes communicated with the suction channel, and a sealing piece is arranged at the connecting position of the two abutting pipes. Through the arrangement of the connecting part, the flexible lens catheter can be quickly disassembled and replaced during use, the replacement time when the operation part breaks down in the operation process can be greatly shortened, and the flexible lens catheter can be disassembled and replaced without being taken out.

The invention discloses a magnetic control steerable guide wire and an ERCP biliary tract probing and calculus removing operation method thereof.The magnetic control steerable guide wire comprises a magnetic control guide wire body and an external electromagnetic coil, the magnetic control guide wire body comprises a head end magnetic control module, a flexible transition section, a guide wire body section and a near-end control handle, the tail end of the head end magnetic control module is connected with the flexible transition section, and the tail end of the guide wire body section is connected with the external electromagnetic coil; the tail end of the flexible transition section is connected with a guide wire main body section, the tail end of the guide wire main body section is connected with a near-end control handle, and the external electromagnetic coil comprises an annular coil and an insulating layer.By means of guide wire head end magnetic force control and external magnetic field guiding, the problem that guide wire intubation is difficult due to the fact that a gallbladder duct and a total hepatic duct form an angle is solved; and through magnetic control of the head end of the guide wire and guidance of an external magnetic field, the problem that the guide wire is difficult to intubate due to angulation of the gallbladder duct and the total hepatic duct is solved, and the success rate and the safety of taking out the biliary calculus are improved.

The invention relates to the technical field of image processing, in particular to an anesthesiology department airway intubation image recognition method based on artificial intelligence. The method comprises the following steps: acquiring an airway CT image of a patient at double view angles, constructing a multi-curvature airway model and generating a corresponding image; correcting the model image in combination with the inherent distortion parameter of the lens to obtain a distortion corrected image; secondly, the influence of different curvatures on distortion is quantified under a multi-curvature distortion correction image, and a curvature-direction-distortion correction factor mapping relation is generated; acquiring a current airway image in real-time intubation, extracting curvature features by performing pixel-level matching with the distortion correction image, associating the curvature features with the mapping relation, and determining a distortion correction index corresponding to the current airway image; and finally, performing double correction on the current airway image by combining the lens distortion parameter and the distortion correction index, and generating a high-credibility airway correction image for subsequent image recognition.

The invention relates to the technical field of medical instrument manufacturing, and discloses a method for instantly forming an individualized child tracheal catheter through a 3D printing technology. The method comprises the following steps: acquiring CT (Computed Tomography) or MRI (Magnetic Resonance Imaging) body layer image data of neck and chest areas of a target child patient, wherein the data is used for reflecting anatomical structures of a throat and a trachea; importing the image data into three-dimensional reconstruction software, executing structure identification and segmentation operation, and constructing a three-dimensional model of the throat and trachea of the child patient; performing parameter modeling according to the model, and designing an individualized tracheal catheter model which is fit with the inner diameter of a target airway and is matched with the target airway in length and curvature; the model is converted into a printing data file matched with 3D printing equipment; and a biocompatible 3D printing device is called, the catheter model is printed through a medical implant material, and the solid catheter meeting the size requirement is obtained. The pediatric intubation system improves the matching degree and safety of pediatric intubation, and has good clinical practical value.

Various embodiments provide an endotracheal tube having a body comprising a flexible hollow tube with a distal end for insertion into a patient's trachea during intubation, and an opposite proximal end. Some embodiments comprise one or more internal projections, said internal projections projecting radially inwardly from an internal wall surface of a distal tip portion of the endotracheal tube, wherein the internal projections are tapered in at least one direction. Some embodiments comprise at least one internal projection projecting radially inwardly from an internal wall surface of a distal tip portion of the endotracheal tube, wherein the internal projection comprises a radiopaque portion. Some embodiments comprise an endotracheal tube body which comprises a polymeric material comprising a helically wound, meshed or braided reinforcement structure embedded therein, the helically wound, meshed or braided reinforcement structure being formed from one or more filaments, and wherein one or more properties of the reinforcement structure vary along the length of the endotracheal tube such that the bending flexibility and / or the mechanical strength of the endotracheal tube varies along the length of the endotracheal tube. Some embodiments comprise a pair of longitudinally spaced locally thinned circumferential wall portions provided at a distal end region of the endotracheal tube. Also described are intubation systems including such endotracheal tubes.

A transparent intubation barrier in the form of a box is provided which substantially reduces aerosol exposure and the transmission of disease between patient and healthcare provider.

The utility model provides a material taking device, automatic pipe inserting equipment and an air conditioner. The material taking device comprises a rack, a material taking mechanism and a material taking mechanism, the moving part is arranged on the rack and can move relative to the rack; the connecting piece is connected with the moving piece, and the connecting piece is provided with a first sliding part; the first sliding piece is connected with the first sliding part in a matched mode, and the first sliding piece can slide in the first direction relative to the first sliding part; the second sliding piece is connected with the first sliding piece; the grabbing piece is provided with a second sliding part, the second sliding part is connected with the second sliding piece in a matched mode, and the second sliding part can slide in the second direction relative to the second sliding piece; wherein the second direction is different from the first direction. In other words, in the process that the grabbing piece picks up the to-be-inserted pipe, the grabbing piece can slide in the first direction and can also slide in the second direction, so that the position adjustment of the grabbing piece is achieved, even if the consistency of supplied materials of the to-be-inserted pipe is poor, the grabbing piece can also smoothly pick up the to-be-inserted pipe, and the working efficiency of automatic pipe insertion is improved.

The present application provides an ERCP surgical robot system comprising: an endoscope, the endoscope action of which is electrically driven for extending into a body cavity and capturing an endoscope image, the endoscope action at least comprising lifting of a forceps lifter at the distal end of the endoscope; a treatment tool which is electrically driven in operation, is inserted from an insertion port of the treatment tool of the endoscope, is raised by the forceps raising device, and protrudes from a side surface of a distal end portion, and which comprises a guide wire capable of positioning a target site; the control device is used for controlling the endoscope action and the instrument action of the treatment instrument according to the endoscope image and / or the instrument state of the treatment instrument; and the visual interaction device is used for collecting and displaying the running state information of the control device and providing operation feedback. In the surgical operation process, the direction of a treatment instrument can be visually judged, the accuracy of intubation and treatment operation is improved, and medical staff can conveniently observe the surgical process and execute surgical operation in combination with multi-modal interaction.

The utility model belongs to the technical field of medical equipment, and relates to a nasogastric tube anti-falling fixator which comprises a nasal mask, a first rope belt and a flitch plate. Two through holes corresponding to nostrils are formed in the front side wall of the nose mask; the rear end of the flitch plate is fixedly connected with the bottom of the front side wall of the nose mask, and the two ends of the flitch plate are connected with second rope belts which can be bundled and fixed to the head and used for fixing the flitch plate between the mouth and the nose; and a third rope belt for bundling and fixing the nasogastric tube is arranged on the flitch plate. The anti-falling fixator is fixed to the face of a patient during nasogastric tube implantation and used for fixing a nasogastric tube, the nose cover covers the nose tip, the flitch is attached between the mouth and the nose, the nose cover and the flitch can be bundled and fixed to the head through the first rope belt and the flitch, and the nasogastric tube is bundled and fixed through the third rope belt on the flitch. Therefore, the nasogastric tube and the flitch plate are fixedly connected, the intubated nasogastric tube is fixed on the face of a patient, and the stability of the nasogastric tube is good.

The invention relates to the field of image data processing, in particular to an image acquisition and change trend prediction method and system for nasal pressure injury, and the method comprises the steps: recognizing a first nasal image of a target object, which is not subjected to nasal tracheal intubation, and obtaining the original features of the nasal tissue of the target object; identifying a second nose image of the target object subjected to nasal trachea intubation to obtain an acting force application feature of the nasal trachea on the nose of the target object; determining the deformation state information of the nose under the acting force based on the nose tissue original characteristics and the acting force application characteristics so as to estimate the blood vessel blood flow characteristics in the nose and the skin friction state characteristics of the nose, thereby predicting the pressure injury change trend information of the nose; and determining operation parameters for performing decompression nursing on the nose based on the pressure injury change trend information of the nose. According to the invention, comprehensive and refined image acquisition and detection can be carried out at the initial stage of nasal pressure injury, the change trend of the nasal pressure injury is accurately predicted, and a basis is provided for decompression nursing.

The utility model relates to a novel incision knife convenient for ERCP (endoscopic retrograde cholangiopancreatography) intubation, which comprises an operating machine body, an integrated sleeve, an elastic sheet and a guide wire component, the integrated sleeve is connected with the operating machine body and comprises a first sleeve and a flexible sleeve, the end part of the first sleeve is connected with the flexible sleeve, the end surface of the flexible sleeve is arc-shaped, the peripheral surface of the first sleeve is provided with a guide wire port, and the elastic sheet is arranged on the guide wire port. The guide wire assembly comprises a guide wire and an electric cutting assembly, the guide wire extends into the first sleeve from the guide wire opening, the guide wire extends out of the peripheral face, close to the first sleeve, of the flexible sleeve and is fixedly connected to the peripheral face, close to the end, of the flexible sleeve, the electric cutting assembly is used for supplying power to the guide wire, and a transverse groove extending in the axis direction of the flexible sleeve is formed in the flexible sleeve. The inlet is formed between the bottom of the transverse groove and the flexible sleeve, the elastic piece stretches into the transverse groove from the inlet to be fixed, and during operation, the flexible sleeve can advance along the cavity only through proper force, and mucosa of the cavity cannot be damaged.

The application provides a self-pressure relief safety catheter, which comprises a main tube, an insertion tube, an elastic connecting tube and an air bag tube; the main tube has a first lumen, a second lumen and a third lumen inside; the insertion tube has an insertion tube lumen inside and a flow guide hole on the outer wall, which is communicated with the insertion tube lumen; the elastic connecting tube is communicated with the first lumen and the insertion tube lumen; the air bag tube is sleeved outside the elastic connecting tube and connected between the main tube and the insertion tube. In the initial state, the outer wall of the air bag tube is basically flush with the outer walls of the main tube and the insertion tube; after being inserted in place, water is injected into the air bag tube, and the air bag tube is inflated; when the main tube is pulled by mistake, the elastic connecting tube is quickly elongated, the outer diameter of the air bag tube is quickly reduced, and the water inside the air bag tube is quickly overflowed through the flow valve. The self-pressure relief safety catheter can reduce the extrusion of the air bag tube on the urethral mucosa, avoid the occurrence of serious complications such as urethral injury or tearing caused by accidental pulling of the catheter, and improve the safety and reliability of the catheter use.

The utility model discloses a small gear and rack focusing device with intubation interface, which is composed of a base, a focusing seat and a focusing cylinder. A through hole is arranged in the middle of the base, and a gear shaft passes through the through hole. A focusing hand wheel is arranged at the two ends of the gear shaft. The lower part of the focusing seat is connected with the base, and the focusing cylinder is arranged inside. Two tiles and a PTFE gasket are arranged on the contact surface between the upper part of the focusing seat and the focusing cylinder. The tiles are adjusted by limiting screws, and the PTFE gasket is adjusted by hand screws. A connecting thread and a C ring are arranged at the rear end of the focusing cylinder. The C ring is pressed by a knurled head screw. A rack is arranged at the lower part of the focusing cylinder, and the rack is matched with the gear shaft. The rear end of the focusing device can be connected by thread cooperation or directly inserted into the intubation. The user can conveniently adjust the small telescope by the hand wheel, and the experience is optimized.

The invention relates to the technical field of medical instruments, in particular to a novel Sengstaken-Blakemore tube and a traction device.The novel Sengstaken-Blakemore tube comprises a main pipeline, a first pipeline and a second pipeline; the main pipeline is of a hollow structure with two open ends; the first pipeline and the second pipeline are respectively arranged in the main pipeline; a first water bag, a second water bag and a third water bag are fixedly arranged on the main pipeline, the first water bag and the third water bag are respectively communicated with the first pipeline, and the second water bag is communicated with the second pipeline, so that the problem that a cannula is inconvenient to indwell is solved; the traction device solves the problem that the traction angle cannot be changed simultaneously according to the inclination angle of the body of the patient.

The utility model belongs to the technical field of trachea cannulas, and particularly relates to a trachea cannula adjusting and fixing structure which comprises a supporting plate, sliding guide rods are installed at the two ends of the supporting plate through installation blocks, and limiting adjusting and clamping structures used for adjusting and fixing a trachea cannula are arranged on the sliding guide rods in a sliding mode. The limiting, adjusting and clamping structure comprises a sliding block, a limiting rod and an adjusting and clamping structure; the limiting rod is installed at the bottom of the sliding block, and the adjusting clamping structure is connected to the front side face of the sliding block through a connecting rod. The adjusting turncap is rotated to rotate the coaxial bidirectional screw rod to drive the clamping plate to clamp and fix the intubation tube, so that the fixing stability of the intubation tube is ensured, and the intubation tube is prevented from falling off or shifting; when the fixed position is replaced, the sliding block slides to the replacement position on the sliding guide rod, and the limiting rod at the bottom of the sliding block is inserted into the limiting hole for limiting under the elastic action of the telescopic spring, so that displacement in the fixing process is prevented; the intubation tube is convenient to fix, disassemble and replace the position; and great convenience is brought to nursing personnel.

The present disclosure relates to a laryngoscope blade modification for endotracheal intubation. The disclosure provides a flexible channel attached to the laryngoscope blade or a rigid channel that opens via a spring system. The channel further incudes a slit along the entire portion of the channel, enabling a guidewire to be loaded into the channel and advanced to a patient's vocal cords and trachea before being dislodged or removed in a quick, efficient manner. An endotracheal tube is then slided over the guidewire into the vocal cords and trachea. Once endotracheal tube is inserted, guidewire is removed and intubation initiated. The present disclosure enables a faster insertion of a guidewire into the vocal cords over conventional methods without wasting precious seconds. By using a guidewire with a soft tip, the incidence of vocal cord injury decreases substantially and intubation performed successfully in a quick manner.

A laryngeal mask airway (LMA) intubation guide for endotracheal intubation procedures and ventilation of a subject, the LMA intubation guide comprising: an elongate body defining a passageway extending between a proximal opening and a distal opening for receiving a blade portion of an intubation device; a laryngeal mask at the distal opening for covering a larynx of the subject; and a ventilation airway extending at least partially along the body, comprising: a ventilation port at a proximal end of the ventilation airway for connection to a ventilator; and a ventilation aperture at a distal end of the ventilation airway for allowing fluid communication between the ventilation airway and the passageway proximate the laryngeal mask, the LMA intubation guide configured for intubation of the subject with an endotracheal tube through the passageway while the subject is ventilated using the ventilation airway.

The utility model discloses a wearing type drainage tube fixing and protecting device capable of preventing the tube from being pulled out mistakenly in the technical field of drainage tube protection, which comprises a fixing sleeve and an internal part, the fixing sleeve comprises an elastic sheet, a fixing sheet and a connecting sheet, the fixing sheet and the connecting sheet are fixedly connected with two ends of the elastic sheet respectively, and a transparent window is arranged on the fixing sheet close to the end. The inner part comprises a protective ring, one end of the protective ring is fixedly connected with an extension section, the side wall of the protective ring is fixedly connected with a positioning sheet, one side of the extension section is fixedly connected with a fixing winding belt, one side of the fixing winding belt is fixedly connected with a tensioning sheet, the tensioning sheet is fixed with a connecting sheet in a matched mode, and the positioning sheet is fixedly connected with a fixing sheet; the cannula position can be cushioned through the protective ring to avoid compression, the front face of the abdomen is in a full-wrapping state, unconscious extubation of a patient can be avoided, and overall wearing is light, convenient and easy.

The utility model provides an automatic separation intubation quick connector, which belongs to the technical field of transportation and comprises an air supply pipeline, an intubation quick connector fixed part, an intubation quick connector movable part, an adapter, an air channel formed by a double-layer air bag, an air bag hanging ring and an auxiliary separation rope, the intubation quick-plug connector fixed part and the intubation quick-plug connector movable part are arranged on the air supply pipeline, the intubation quick-plug connector movable part is provided with small holes, the double-layer air bag is provided with an air bag hanging ring, one end of the auxiliary separation rope is tied to the air bag hanging ring, and the other end of the auxiliary separation rope is tied to the air supply pipeline. And the other end of the auxiliary separating rope penetrates through a small hole reserved in the movable part of the intubation quick-plug connector, so that the auxiliary separating rope is tensioned until the movable part of the intubation quick-plug connector and the fixed part of the intubation quick-plug connector are knotted in a separable state. According to the utility model, the problem that the quick connector of the cannula needs to be separated manually is solved, and the requirements of quick inflation and separation of the air bag are met, so that the safety of passengers or equipment is ensured.

The utility model relates to the field of oxygen uptake tubes, and provides an improved child nasal oxygen uptake catheter which comprises an oxygen uptake tube, the oxygen uptake tube comprises a first catheter, one or two second catheters and one or two nasal intubation tubes, the one or two second catheters are connected to the ends of the first catheter respectively, the one or two nasal intubation tubes are arranged on the second catheters in a communicated mode, and the first catheter protrudes upwards to form an arc-shaped structure. The first catheter can abut against the nose, the nasal cannula is bent downwards and can be inserted into nostrils, a first buffering part capable of abutting against the nose is arranged at the bottom of the first catheter, a second buffering part capable of abutting against the face is arranged on the second catheter, and the first buffering part and the second buffering part can be fixed through medical proof fabric. The oxygen uptake tube is fixed on the nose of a person, the oxygen uptake tube and a traditional oxygen uptake tube can be used alternately, the comfort degree of a child is improved, the contact area of the first buffering part and the second buffering part is large, the buffering and fixing effects are good, and the technical problem that an oxygen uptake catheter is fixed between the mouth and the nose for a long time, and discomfort is caused to the child is solved.