2024 results about "Trach tube" patented technology

Methods of treating a central airway obstruction (CAO), benign airway stenosis, asthma, chronic obstructive pulmonary disease (COPD), or an airway tumor in a human subject, methods of treating chronic rhinosinusitis (CRS) or chronic rhinosinusitis with nasal polyps (CRSwNP) in a human subject, methods of treating a eustachian tube disorder in a human subject, and devices and systems for performing the methods. A method of treating a central airway obstruction (CAO), benign airway stenosis, asthma, chronic obstructive pulmonary disease (COPD), or an airway tumor in a human subject includes inserting a drug-coated balloon catheter into a target site in a trachea, mainstem bronchus, bronchus intermedius, lobar bronchus, segmental bronchus, or sub-segmental bronchus, wherein the balloon is coated with a coating layer including the therapeutic agent and one or more additives. The therapeutic agent includes paclitaxel, sirolimus, or a derivative thereof. The method includes inflating the balloon to dilate the airway and deliver a therapeutic agent to the airway wall. The method includes deflating the balloon. The method also includes withdrawing the balloon catheter from the target site.

The invention discloses an endoscope transnasal skull base dura mater stitching instrument, and relates to the field of medical instruments, the endoscope transnasal skull base dura mater stitching instrument comprises a stitching instrument main body, an end protection shell, a locking mechanism, an auxiliary mechanism, a connecting rope assembly and a trachea assembly, the locking mechanism comprises a locking sleeve arranged in a first position hole in a sliding mode, and the locking sleeve is of a cylindrical structure with one end open; an elastic body is fixedly arranged on the inner wall of the opening end of the locking sleeve, when the needle sleeve extends into the first position hole, the locking sleeve is controlled to move in the first position hole, and when the elastic body on the locking sleeve is clamped into the annular clamping groove in the outer ring of the needle sleeve, the needle sleeve is fixed to the locking sleeve. According to the invention, the purposes of pulling up the dura mater to facilitate suturing, position adjustment, knotting and degradation during suturing are simultaneously realized, and the defect that a knotting mechanism, a suturing mechanism and an endoscope mechanism cannot be simultaneously placed on a narrow skull base in the prior art is overcome.

The invention provides a degradable combined type tracheal stent and an implantation method, the degradable combined type tracheal stent comprises a plurality of rib plates which are coaxially arranged and are in an annular shape and soft bodies which are connected between every two rib plates and are in a net shape, and axial length adjustability and axial bending deformation of a stent main body are achieved through the soft bodies; the support further comprises a connecting part, the connecting part comprises a first connecting body arranged at the two axial ends of the support body and a second connecting body matched with the first connecting body, and the first connecting body and the second connecting body are matched to achieve axial detachable connection and combination between every two support bodies. The adjustable axial length of the stent main body, bionic axial bending deformation and stable connection and combination between every two stent main bodies are effectively realized. The invention further provides an implantation method of the degradable combined type tracheal stent, the implantation method comprises the steps of obtaining the size of the diseased trachea, determining the diameter and the combination number of the stent body, sleeving the diseased trachea and connecting the combination to complete implantation, and the method is easy to operate and can meet different requirements of clinical complex environments.

The pair of expandable foreign body forceps comprises an outer sleeve and a foreign body forceps body, a limiting assembly is arranged at one end of the outer sleeve, and an expansion assembly is arranged at one end of the outer sleeve; the expansion assembly comprises a first notch formed in one end of the outer sleeve, an expansion air pipe is arranged in the first notch, one end of the expansion air pipe is fixedly connected with an expansion air bag, one end of the expansion air pipe is fixedly connected with a three-way pipe, one end of the three-way pipe is fixedly connected with an injector, and one end of the three-way pipe is provided with an expansion valve. A rotating plate is rotationally installed on the outer surface of the cylinder, an arc-shaped plate is fixedly installed on one side of the rotating plate, and an anti-skid pad is fixedly installed on the inner surface of the arc-shaped plate. According to the pair of expandable foreign body forceps, foreign bodies can be blocked while an esophageal cavity is expanded through the arranged expansion assembly, so that the situation that the foreign bodies are pushed to deeper tissues is prevented, and the efficiency of taking out the foreign bodies by the pair of expandable foreign body forceps is improved.

An endotracheal tube apparatus to treat a patient comprising an endotracheal tube and a hub connection fitting; the endotracheal tube insertable into a trachea of the patient; the hub connection fitting connectable to the endotracheal tube; a ventilation passageway extending through the hub connection fitting and a ventilation lumen of the endotracheal tube; a plurality of ports joined with the hub connection fitting, the plurality of ports comprising at least a first port and a second port; a first passageway extending within the hub connection fitting, the first passageway in fluid communication with the first port; a second passageway extending within the hub connection fitting, the second passageway in fluid communication with the second port; a third passageway extending within the hub connection fitting and a secondary lumen of the endotracheal tube.

The invention discloses a three-dimensional pulmonary nodule detection method and system based on morphological adaptation convolution, and the method comprises the steps: obtaining a chest CT image sequence, and carrying out the preprocessing of all chest CT images in the chest CT image sequence; according to the three-dimensional pulmonary nodule detection method and system based on form adaptive convolution, scale factors are introduced into a 3D dynamic convolution layer and cooperate with the offset, so that the position of a convolution kernel sampling point can be adaptively adjusted according to the form and size of the pulmonary nodule, and the problem that the traditional fixed convolution is difficult to adapt to the size difference and form heterogeneity of the pulmonary nodule is solved; stable detection of pulmonary nodules with different sizes, especially tiny pulmonary nodules, is realized; space coordinate information and multi-scale features are combined through a channel space attention module, extraction of key information such as pulmonary nodule edge texture and density gradient is enhanced, interference of blood vessel, trachea and CT artifacts is inhibited, and the problem that small nodules and background noise are difficult to distinguish is solved.

The invention relates to the technical field of medical instruments, and discloses a tracheotomy anatomical structure image recognition method and system, and the method comprises the steps: obtaining real-time visual image data and spatial positioning data of an endoscope, carrying out the time synchronization, carrying out the mode recognition of the spatial positioning data, and locking the remarkable anatomical features in the real-time visual image data, and according to the characteristics and the spatial positioning data, calculating a geometric transformation relationship between an endoscope visual coordinate system and a spatial positioning coordinate system, and finally fusing the data and displaying anatomical structure information and a surgical tool position in real time. The method can effectively solve the problem that in the prior art, an endoscope is irregularly deformed in the narrow trachea with physiological bending of a patient.

The utility model discloses a structural settlement diagnostor which comprises an intelligent gateway, a liquid storage tank, a static level gauge a, a static level gauge b and a static level gauge c which are respectively connected in series through an air pipe, a liquid pipe and a communication bus. When the static force level gauge a, the static force level gauge b and the static force level gauge c are replaced and maintained, the connecting nut is rotated, the connector a and the connector b are separated, no pressure exists between the ejector rod and the conical round head b, under the action of resilience force of the elastic piece a and the elastic piece b, the inner taper hole round plate a makes contact with the conical round head a, the connector a is sealed, and the static force level gauge c is maintained. And an inner taper hole circular plate b is in contact with a conical round head b to seal a connector b, so that the condition of liquid leakage is avoided after the liquid pipe is detached, and the maintenance difficulty is reduced.

The invention discloses an intelligent multi-view camera tracheal intubation image processing method, device and system, and relates to the technical field of medical instruments, the method comprises the following steps: in a tracheal intubation process, a multi-view image acquisition unit collects a plurality of images and combines the images to form an image pair; and carrying out stereo matching and depth calculation on the image pairs to generate a depth map. And performing three-dimensional reconstruction by combining the depth map and the original image to generate a three-dimensional model. And finally, identifying the target in the three-dimensional model and outputting the depth of the target as an image processing result. The technical problems that an existing multi-view camera is inaccurate in depth perception and insufficient in real-time performance during tracheal intubation image processing are solved, and the technical effect of improving the depth perception precision and the real-time processing capacity of the multi-view camera during tracheal intubation image processing is achieved.

The hospital gown special for the ICU patient comprises a one-piece gown and sleeves arranged on the left side and the right side of the one-piece gown, the one-piece gown comprises a front part and a rear part connected with the front part, a trapezoidal neckline is arranged on the front part, and a first window and first covering cloth used for shielding the first window are arranged on the portions, on the two sides of the trapezoidal neckline, of the front part respectively. A hanging belt is formed between the trapezoidal neckline and the first window, and the hanging belt is formed by movably connecting two cloth belts. Due to the design of the trapezoidal neckline, the neckline is wider, and tracheal incision nursing is facilitated; the first window on the left side of the trapezoidal neckline is used for routing of an electrocardiograph monitoring lead wire, and the first window on the right side of the trapezoidal neckline is used for penetration of a puncture pipeline.

Two ends of a flexible pipe are fixedly connected to a grip and a magnetic guide ring respectively, an electromagnet is fixedly mounted in the magnetic guide ring, a rubidium magnet is connected to the outer end of the magnetic guide ring in a threaded fit manner, a through hole is formed in the magnetic guide ring, and one end of an air pipe is communicated and connected to the through hole; the magnetic attraction mode can be selected according to the type of metal, when large-size metal needs to be picked up, only the rubidium magnet needs to be installed on the magnetic guide ring, the metal can be attracted to the rubidium magnet, and cleaning and collecting are convenient; when some metal chips are cleaned, the electromagnet brings magnetic force to the magnetic guide ring, so that the metal chips are adsorbed on the magnetic guide ring; during discharging, only the electromagnet needs to be closed, the magnetic force of the magnetic guide ring disappears, the chippings can fall off, in order to prevent the chippings from being attached to the interior of the magnetic guide ring, the chippings can be blown out of the magnetic guide ring by blowing air into the air pipe, and follow-up use is facilitated.

A system and method for targeted stimulation with a tracheal phrenic nerve stimulation device that can include: performing an initialization routine of a stimulation module that determines a set of stimulation parameters, the initialization routine comprises: cycling through electrode groupings, detecting a response in a respiratory signal for each electrode grouping, and determining a select electrode grouping as part of the stimulation parameters; and operating a stimulation module using the set of stimulation parameters.

The invention belongs to the technical field of medical signal characterization and digital twinning, and relates to a breathing machine parameter prediction method and system based on digital twinning. The prediction method comprises the following steps: for each examination, respectively obtaining a plurality of lung trachea static three-dimensional model frames and lung contour static three-dimensional model frames, and fusing the frames in a one-to-one correspondence manner; performing tracheal tube correction on the fused three-dimensional model frame to obtain a lung standard static three-dimensional model; quantifying blood vessel morphological parameters, hemodynamic parameters and trachea parameters in the lung standard static three-dimensional model to obtain quantized values of the multiple parameters; the quantized values of the multiple parameters are imported into each static three-dimensional model frame, a lung static three-dimensional model with built-in parameters is obtained, the multiple lung dynamic three-dimensional models are fused into a dynamic digital twin system according to the time sequence, and parameter correction is conducted on the dynamic digital twin system; and calculating the lung health condition score and combining with external information to obtain respirator prediction parameters. The prediction parameters provided by the invention have relatively high reliability.

A combined system of a concealed closed tracheoscope and an artificial airway breathing circuit includes an artificial airway breathing tubing and a tracheoscope. The artificial airway breathing tubing includes an inhalation circuit and an exhalation circuit that are connected through a connecting tube. The tracheoscope includes a handle portion and an insertion portion connected to the handle portion. The tracheoscope handle portion wraps around a section of the exhalation circuit. The tracheoscope insertion portion is hidden in the extendable breathing circuit, which extends and retracts to make the tracheoscope insertion portion advance or retreat in a closed condition. The tracheoscope handle function assembly cleverly wraps around the surface of the breathing circuit tubing, organically combining the functions of the tracheoscope handle and the breathing circuit. Meanwhile, the tube interface can be cleaned to keep the tracheoscope clean and unobstructed, such that the service life of the tracheoscope can be extended.

The utility model provides a bite block device for nerve electrophysiology monitoring in an operation, which comprises a lower bite block and an upper bite block, a channel groove for installing a trachea channel is arranged in the lower bite block, and lining plates are oppositely arranged on two sides of the channel groove in the lower bite block; the lower surface of the lower bite block is provided with a lower tooth groove, and the upper surface of the upper bite block is provided with an upper tooth groove. Through the arrangement of the base plate, the upper tooth cushion and the lower tooth cushion can be in full contact with molar teeth in the cavity, so that the pressure borne by incisor teeth is reduced, and the incisor teeth of a patient are prevented from being damaged; the trachea channel is arranged in the middle of the bite block, the inner lining plate is arranged on the outer side of the trachea channel, under protection of the inner lining plate, the trachea can be prevented from being bitten by a patient to be flat, normal use of the trachea is guaranteed, the trachea channel has a certain length and is arranged in the middle of the bite block, and after the whole bite block is arranged in the oral cavity of the patient, the inner trachea channel can press the tongue. The tongue is prevented from entering the space between the upper teeth and the lower teeth and is prevented from being bitten.

The invention discloses a nasal gastrointestinal tube 3D printing fixing device, and belongs to the technical field of medical supplies, the nasal gastrointestinal tube 3D printing fixing device comprises a nose wing base, a binding tying belt and a rear pad, an adjusting cavity is formed in the nose wing base, a central trachea is arranged in the adjusting cavity, and an inner trachea and an outer trachea are arranged on the upper side and the lower side of the central trachea respectively; limiting assemblies are arranged in the inner air pipe and the outer air pipe, an inner ring groove and an outer ring groove are formed in the inner side face of the nose wing base, an inner ring air bag and an outer ring air bag are arranged in the inner ring groove and the outer ring groove respectively, and the inner ring air bag and the outer ring air bag are connected with the inner air pipe and the outer air pipe through air pipelines respectively. The nasal ala base can be attached to nasal ala parts of different patients, so that traction force is distributed to all positions, pressure injury is avoided, it is ensured that pressure of the nasal ala base to all positions of the nasal ala parts of the patients is the same, and meanwhile, the situation that local nasal ala parts of the patients are pressed for a long time can be effectively avoided through alternate use of the outer ring air bag and the inner ring air bag.

The utility model relates to the technical field of cleaning and nursing devices, in particular to a nasal aspirator which comprises a shell, a suction nozzle arranged outside the front end of the shell and a negative pressure driving assembly arranged at the rear end of the shell, the shell is provided with an opening and closing assembly, the negative pressure driving assembly is provided with a one-way air valve, and a snot containing cavity is formed between the inner wall of the shell and the negative pressure driving assembly. The suction nozzle is communicated with the snot containing cavity through the opening and closing assembly, the opening and closing assembly is used for opening or closing communication between the suction nozzle and the snot containing cavity, the one-way air valve is used for communicating the snot containing cavity and the negative pressure driving assembly in a one-way mode, the air inlet end of the one-way air valve is communicated with an air pipe, and the air pipe extends into the snot containing cavity. According to the nasal discharge collecting device, the air pipe is arranged to stretch into the nasal discharge containing cavity, so that nasal discharge in the nasal discharge containing cavity cannot enter the one-way air valve, the situation that the nasal discharge leaks outwards or the one-way air valve is damaged is avoided, a containing part needed in the prior art for collecting the nasal discharge is omitted, the structure is simplified, assembly is convenient and fast, cost is reduced, and the nasal discharge collecting volume is increased.

The utility model discloses a glass bottle conveying mechanism, which relates to the technical field of glass bottle conveying and comprises a base and a mounting seat, a conveying belt is rotatably connected to the inner side of the conveying belt, a fixing rod is fixedly connected to the bottom of the conveying belt, a mounting plate is fixedly connected to the bottom of the fixing rod, and a fixing cylinder is fixedly connected to the bottom of the mounting plate. An air bag is fixedly connected to the bottom of the fixing cylinder and communicates with the inner space of the fixing cylinder, an inflation device is fixedly connected to the upper side of the mounting plate, an air pipe is fixedly connected between the inflation device and the fixing cylinder, an exhaust port is formed in the outer portion of the fixing cylinder, and an exhaust mechanism is mounted on the outer portion of the fixing cylinder. According to the device, rapid installation is completed by simply inflating the air bag to abut against the opening of the glass bottle, the air bag can be conveniently deflated to demount the glass bottle, the glass bottle can be rapidly demounted and mounted through the simple device, the manufacturing cost of the conveying device is greatly reduced, the glass bottle mounting and dismounting efficiency is improved, and machining and production of the glass bottle are facilitated.

The invention discloses an anesthesia intubation auxiliary device, and belongs to the technical field of anesthesia instruments, the anesthesia intubation auxiliary device comprises a clamping mechanism and an adjustable fixing support arranged above the clamping mechanism, the end part of the adjustable fixing support is provided with a mounting support, and the side wall of the mounting support is sequentially provided with an opening mechanism and a U-shaped fitting plate from top to bottom; the opening mechanism downwards penetrates through the U-shaped attaching plate, an intubation positioning mechanism is arranged in the U-shaped attaching plate in a sliding mode, a follow-up centering assembly is arranged between the intubation positioning mechanism and the opening mechanism, the intubation positioning mechanism is arranged at the end, away from the adjustable fixing support, of the U-shaped attaching plate, and a laryngoscope fixing mechanism is arranged on one side of the mounting support. According to the anesthesia intubation auxiliary device, the laryngoscope fixing mechanism is arranged, the laryngoscope can be automatically fixed after the glottis is completely exposed, and therefore the hands of medical workers are liberated in the trachea intubation process, and intubation is convenient.

The present invention discloses an artificial nose, which includes a breathing pipeline. The breathing pipeline includes an inlet end and an outlet end. A gas passage is formed in the part of the breathing pipeline between the inlet end and the outlet end. The inlet end is connected with a humidifying device. It is characterized in that: the artificial nose further includes a heater capable of heating the gas in the breathing pipeline. A sensor capable of detecting the temperature and humidity of the gas is arranged at the outlet end of the breathing pipeline, so as to control the heater and the humidifying device according to the values collected by the sensor. A control method for the artificial nose as described above is also disclosed. Compared with the prior art, the advantages of the present invention are as follows: by arranging the humidifying device and the heater, the functions of automatically controlling the temperature and humidity of the inhaled gas can be realized, which helps the tracheotomy patients to maintain the airway for a long time.

The invention relates to a stomach tube track monitoring system and device, and the system comprises a track collection module which is used for obtaining the moving track of the insertion end of a stomach tube based on a real-time position; the trajectory analysis module is used for obtaining a real-time deviation between the target trajectory and the moving trajectory, and determining a deviation position and an adjustment angle according to the real-time deviation; the trajectory topological graph construction module is used for constructing a trajectory point cloud set according to the moving trajectory and determining an abnormal point set according to a trajectory topological graph group based on a continuous coherence mechanism; the real-time risk early warning module is used for synchronizing the moving track to a pre-obtained trachea-esophagus model and performing real-time risk early warning according to the position of the abnormal point set in the trachea-esophagus model; and the potential risk early warning module is used for inputting the real-time position into a preset trajectory prediction model to obtain a prediction trajectory at the next moment, and performing potential risk early warning according to the deviation between the prediction trajectory and the target trajectory.

The invention relates to the technical field of medical instrument design, in particular to a tracheal stent mechanical property optimization design method based on multi-scale finite elements. According to the mechanical property optimization design method for the tracheal stent provided by the invention, microstructure parameter evolution and macroscopic physiological environment response are deeply integrated through a multi-scale finite element model, and a time-varying material attribute algorithm module is originally introduced to realize dynamic mechanical coupling simulation in a degradation process; in combination with an intelligent early-warning mechanism for dissection partition differentiation erosion boundaries and structural failure, collaborative optimization of mutual exclusion performance indexes such as flexible contact stress distribution of radial supporting force of the stent and long-term structural integrity is precisely coordinated, and a Pareto optimal solution is output on the premise of guaranteeing biocompatibility constraint; according to the method, core technical obstacles of micro effect distortion and dynamic performance prediction deficiency in traditional design are fundamentally solved, and a personalized stent design scheme with high reliability, low complication risk and long service cycle is provided for clinic.

The invention relates to the technical field of medical instruments, in particular to an absorbable tracheal stent containing a drug coating, which comprises a cylindrical shell, the shell comprises a longitudinal skeleton, a ring-shaped skeleton, an extension drug groove and an assembly groove, and the extension drug groove is filled with a drug coating strip; a covering film is pasted on the outer portion of the shell and comprises a tightening film, a contact film and a sealing film. According to the invention, the sealing film is firstly degraded in the trachea of a patient, and the stress on the shell corresponding to the outward expanding medicine groove is released, so that the outward expanding medicine groove is expanded, the outer diameter of the whole tracheal stent is increased, and the medicine coating strip is driven to synchronously expand outwards to abut against an affected part, so that the stent can be automatically degraded in the body of the patient; and the expansion force of the stent can be slowly released in the degradation process, so that the reduction of the expansion force of the stent caused by thinning of the wall of the degraded stent or natural growth of the trachea is counteracted, the expansion force of the stent is dynamically maintained, and the stability of the stent is improved.

In one embodiment, a laryngoscopy apparatus includes a handle configured for gripping by an operator, a blade extending from the handle configured for insertion into the trachea of a patient, a clear viewing window provided on the blade that enables a patient's airway to be viewed, and means for clearing material from the viewing window that could obscure the view of the airway.

The invention relates to the technical field of medical image processing and computer aided design, in particular to a preoperative CT-guided thoracic stent parameterization customization system, which comprises an image processing module for acquiring and preprocessing a patient trachea CT image; the contour segmentation module is used for carrying out trachea contour segmentation on the preprocessed CT image and carrying out correction to obtain trachea three-dimensional contour data; the parameter extraction module is used for extracting morphological parameters of the trachea; the modeling optimization module is used for establishing a stent model according to the morphological parameters of the trachea, constructing a comprehensive objective function which aims at minimizing the geometric matching error of the stent and meeting the mechanical property of the stent, and optimizing the stent model based on the objective function to obtain an optimal stent model; and the parameter output module is used for outputting support design parameters. According to the method, the customization precision and efficiency of the thoracic cavity stent are improved, and the influence of subjective experience factors in a traditional customization method is reduced.

The invention relates to a tissue engineering trachea, which combines an additive manufacturing technology with a biological material, simulates the form and the function of a natural gas pipe, designs a cartilage-fiber alternating ring structure and a bionic fiber band structure, and designs a unique blood supply channel in a fiber section. The trachea fiber section is composed of hydrogel with a hierarchical porous structure, and a circumferential blood vessel channel and a radial blood vessel pore channel are designed in the hydrogel so as to promote ingrowth and growth of new blood vessels and optimize the blood supply reconstruction process. The tracheal cartilage section is made into a C-shaped cartilage ring with cartilage cells through a biological printing technology, and necessary mechanical support is provided. The fiber segment and the cartilage segment are effectively integrated through chemical bonds of functional groups to ensure stable connection of the two. Partitioned construction of fibers and cartilage is achieved through the biological 3D printing technology, the bionic tissue engineering trachea is formed in a modular construction-integrated assembly mode, it is verified that repairing and reconstruction of multiple types of tissue bionic tracheas can be achieved, and an innovative solution is provided for tracheal injuries.

The present invention discloses an obstetric fetal head suction assistance device, comprising a suction head and an air extraction part, the air extraction part comprising a cylinder and an air extraction member, the air extraction member comprising a piston and a handle, the handle extending out of the cylinder, the piston dividing the inner cavity of the cylinder into a first cavity and a second cavity, the trachea being arranged outside the first end of the cylinder, the first end plate of the cylinder being arranged in a first flow channel, the first flow channel being provided with a first control component for controlling the air flow rate entering the first cavity through the first flow channel to prevent air oscillation in the inner cavity of the trachea, the second end plate of the cylinder being provided with a second control component for controlling the air flow rate of gas entering and exiting the second cavity from the outside to prevent air oscillation in the trachea; the present invention is provided with a control component for preventing the air from entering and exiting the second cavity at too fast a speed, so that the device can slowly stop when the air intake is finished, and can first slowly and then quickly when the air is deflated, thereby avoiding the air oscillation in the suction head causing fetal brain injury, and has strong practicality and safety.

The invention relates to the field of breath sound monitoring, and discloses a tracheal intubation device and a breath sound monitoring system.The tracheal intubation device comprises a tracheal catheter used for being inserted into an airway of a patient; the first sound detection piece is an optical fiber sound sensor, the first sound detection piece is installed on the tracheal catheter, the first sound detection piece is used for detecting breathing sound wave information in the airway of a patient, and the first sound detection piece is used for being in communication connection with the monitoring host so as to transmit the detected breathing sound wave information to the monitoring host. Therefore, the first sound detection piece is installed on the tracheal catheter, the first sound detection piece can be directly located in the internal environment of the airway of the patient, the accuracy of monitoring breathing sound and sound wave information of the patient through the tracheal intubation device can be improved, and the first sound detection piece transmits the breathing sound and sound wave information to the monitoring host in real time; the medical staff can monitor the breathing condition of the patient in real time through the monitoring host, find out abnormal breathing of the patient in time and carry out treatment.

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.

The utility model discloses a pumping and diffusing dual-purpose gas circuit structure on a gas detector. The pumping and diffusing dual-purpose gas circuit structure comprises a calibration cover assembly, a shell, a sensor assembly, a gas pipe bracket and a gas pump assembly, the calibration cover assembly is detachably connected with the shell; a plurality of air holes are formed in the shell; one end of the tracheal stent is communicated with the air hole of the shell, and the other end is communicated with the air pump assembly; the sensor assembly is arranged under the air hole. The air pump assembly is arranged below the sensor assembly; the calibration cover assembly comprises a filtering assembly, a rotating assembly, a calibration cover and an air chamber frame; the filtering assembly is arranged at one end of the calibration cover, and the air chamber frame is arranged in the calibration cover and arranged above the shell; one end of the rotating assembly penetrates through the calibration cover and the air chamber frame and then is detachably connected with the shell. According to the utility model, the pump suction mode and the diffusion mode can be freely switched, and the pump suction mode and the diffusion mode share the same calibration cover assembly for calibration, so that the consistency of the detection precision of the pump suction mode and the diffusion mode can be ensured.