2701 results about "Trach tube" patented technology

The invention discloses a medical image recognition processing system and method based on multi-modal image fusion, and belongs to the technical field of image processing, and the method comprises the steps: obtaining a medical image, and correcting the medical image to obtain an image data set; inputting the image data set into a parallel neural network, extracting to obtain tracheal tissue structure features and biological metabolism features, and fusing to generate a comprehensive image feature map; and comparing the fusion features of different organs in the comprehensive image feature map with features in a preset typical case feature library to generate risk assessment values of corresponding organs, and associating the risk assessment values with corresponding organs in a preset AR visual image. According to the method, the trachea tissue structure features and the biological metabolism features are extracted through the parallel neural network and fused to generate the comprehensive image feature map, then the comprehensive image feature map is compared with the typical case feature library to generate the risk assessment value, finally the risk assessment value is associated with the AR visual image, and effective fusion and utilization of multi-modal image data are achieved.

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 provides a tracheal intubation automatic navigation method based on an artificial intelligence analysis anatomical structure, and relates to the technical field of tracheal navigation, and the tracheal intubation automatic navigation method comprises the following steps: carrying out image scanning on a user to obtain real-time airway image information; constructing a human airway image anatomical model, and performing anatomical structure analysis on the real-time airway image information according to the human airway image anatomical model to obtain anatomical structure data; connecting an electromagnetic navigation mechanical control system; the path planning subsystem analyzes the anatomical structure data to obtain a first intubation navigation path; and the path control subsystem synchronously generates intubation control parameters according to the first intubation navigation path, and controls a mechanical arm of intubation equipment to perform tracheal intubation on the user according to the intubation control parameters. The technical problem that in the prior art, due to the limitation that tracheal intubation operation depends on experience and skills of doctors, the intubation success rate is not high under the emergency condition can be solved, and the technical effect of improving the intubation success rate is achieved.

The utility model provides a tracheal stent structure and an artificial trachea. The tracheal stent structure comprises a main body, the main body comprises a plurality of supporting units which are linearly arranged at intervals; each supporting unit is of a C-shaped structure with an opening, a connecting unit is arranged between every two adjacent supporting units, and each connecting unit is of a structure with a hole. According to the tracheal stent assembly, the bionic tubular structure similar to the tracheal structure of the human body is formed by arranging the structure, so that the contraction and expansion functions can be achieved in the breathing process, and the physiological function requirements are met.

The invention relates to a tracheal intubation rescue guiding method and system based on intelligent monitoring and auxiliary decision making, and the method comprises the steps: detecting the real-time vital sign state of a patient based on an intelligent sensor for integrally monitoring vital sign indexes; real-time airway operation and anatomical structure images in the tracheal intubation process are obtained; a machine learning algorithm based on time sequence support vector regression is utilized, and through comparative analysis of historical vital sign data and current real-time data, real-time physiological health state evaluation indexes of the patient are obtained; on the basis of real-time airway operation and anatomical structure images, through edge detection, feature extraction and three-dimensional reconstruction technologies, tracheal intubation operation accuracy evaluation and tracheal anatomical structure anomaly recognition are carried out; real-time operation guidance is performed through intelligent aid decision making based on natural language processing and a knowledge graph by integrating real-time physiological health state evaluation indexes of a patient, accuracy evaluation of tracheal intubation operation and abnormal recognition of a tracheal anatomical structure.

The invention relates to the technical field of medical simulation training, and particularly discloses a tracheal intubation training device which comprises a workbench and a model piece, the model piece is connected to the workbench, the workbench is used for fixing the model piece, the model piece is used for simulating the trachea of a patient and training the medical gas generation tube intubation technology, and a simulation assembly is arranged on the workbench. The simulation assembly is connected with the model piece, the simulation assembly is used for simulating the length of the trachea and simulating the diameter of the trachea, the trachea of different diameters and lengths are simulated through the simulation assembly, and then medical staff are trained to conduct intubation treatment on the trachea of different diameters and lengths; therefore, medical staff can be guaranteed to be capable of skillfully intubating the trachea with different sizes and diameters, and the trachea of a patient is prevented from being injured when the medical staff treats the patient.

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 discloses a novel interstitial lung disease lesion detection method based on deep learning, and relates to the technical field of intelligent medical treatment, and the method comprises the following steps: obtaining an HRCT image of a patient, and carrying out the format conversion of the HRCT image to obtain a CT image; inputting the CT image into a U-Net, and carrying out pathological pulmonary parenchyma segmentation on the CT image to obtain a segmented image; determining a lesion candidate region of the segmented image; and evaluating the lesion candidate region to determine whether the lung disease lesion occurs in the lesion candidate region. According to the method, the lesion areas of different CT images are accurately positioned, and the lesion is correctly identified and false positive areas are removed by extracting the statistical features, the shape features and the fractal features of the lesion candidate areas under the condition of interference of blood vessels and tracheas, so that the detection accuracy of novel interstitial lung disease lesion detection is greatly improved.

The invention provides a piezoelectric composite stent, a preparation method thereof and application of the piezoelectric composite stent in tracheal defect repair, and belongs to the technical field of tissue engineering. The preparation method of the piezoelectric composite stent comprises the following steps: (1) immersing a PLLA stent into an FF polypeptide solution to prepare a PLLA-FF stent; (2) the PLLA-FF stent is immersed in a tannic acid solution, and a PLLA-FF-TA composite stent is prepared; (3) preparing oxygen-containing PLGA (poly (lactic-co-glycolic acid)) nano microbubbles, and mixing the GelMA with the oxygen-containing PLGA nano microbubbles to obtain a Gel-NB hydrogel precursor; (4) injecting the Gel-NB hydrogel precursor into the PLLA-FF-TA composite scaffold, and carrying out ultraviolet light cross-linking on the Gel-NB hydrogel precursor and the PLLA-FF-TA composite scaffold; and carrying out ultrasonic irradiation to obtain the PLLA-FF-TA (at) Gel-Nb + US composite scaffold. The piezoelectric hydrogel stent is successfully prepared, can be well used for tracheal defect repair, has the advantages of good degradation performance, high piezoelectric performance, long-term stability and high strength, and is beneficial to clinical transformation and application.

The utility model discloses an integrated bronchus plugging catheter which comprises a tracheal catheter, a connector connected to the front end of the tracheal catheter and a bronchus catheter penetrating out of the tracheal catheter, and a partition wall extending in the length direction of the tracheal catheter is arranged in the tracheal catheter. The space in the tracheal catheter is divided into a first cavity and a fourth cavity by the partition wall, a bronchoscope or a drainage tube or a sputum suction tube is inserted into the fourth cavity, the bronchial catheter penetrates through the first cavity, a second blocking sleeve bag is fixed to the tail end, penetrating out of the first cavity, of the bronchial catheter, and a first blocking sleeve bag is fixed to the outer portion of the rear end of the tracheal catheter. Due to the fact that the bronchial catheter is limited in the first cavity, when a bronchoscope and the like are inserted into the fourth cavity, interference of the bronchial catheter is avoided; a minimum space enough to guarantee normal use of the bronchial catheter can be reserved according to the size of the bronchial catheter, so that sufficient space is reserved for insertion of a bronchoscope, a drainage tube, a sputum suction tube and the like, and smooth insertion of diagnosis and treatment equipment is guaranteed.

The invention relates to a tracheal intubation navigation method and device based on image segmentation and three-dimensional reconstruction, and belongs to the field of wisdom medicines.The tracheal intubation navigation method comprises the steps that an endoscope image frame sequence in the intubation process is collected, and image segmentation is conducted on the endoscope image frame sequence to obtain an intubation head segmentation profile diagram; the method comprises the following steps: performing three-dimensional reconstruction on the interior of a trachea by using an endoscope image frame sequence and adopting three network branches of monocular scene three-dimensional reconstruction, inter-frame multi-view geometric pose estimation and optical flow matching three-dimensional reconstruction to obtain a three-dimensional point cloud model of the interior of the trachea; performing pose estimation on the head of the trachea cannula through the segmentation contour of the instrument at the head of the trachea cannula in the endoscope image to obtain a three-dimensional point cloud model of the head of the trachea cannula and instrument estimation pose sequence information; and inputting the trachea internal three-dimensional point cloud model, the intubation head three-dimensional point cloud model and instrument estimation pose sequence information into a Unreal Engine virtual engine to generate a digital twin dynamic navigation image in the intubation process.

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 tracheotomy vent tube which comprises a vent tube body, a vent cavity is formed in the vent tube body, a sleeve bag used for sealing a gap between the trachea of a patient and the vent tube body is arranged on the vent tube body, and the sleeve bag is filled with sponge-shaped materials, so that the surface of the sleeve bag is in a fixed shape and can deform. According to the tracheotomy ventilation tube, due to the fact that the sleeve bag arranged on the ventilation tube is filled with the sponge-shaped material, the surface of the sleeve bag has a fixed shape and can deform, and when the sleeve bag is inserted into the cut trachea of a patient, the contact pressure between the sponge-shaped material and the inner wall of the trachea of the patient is small due to the flexible characteristic of the sponge-shaped material; insertion damage to a patient is avoided, the trachea cannula can automatically recover to the original shape after being inserted, the gap between the trachea of the patient and the breather pipe is sealed, and the sealing performance is better.

The utility model discloses a pressing-propelled trachea cannula fixator which comprises a bottom plate capable of being worn on the mouth of a patient, a notch corresponding to the oral cavity position of the patient is formed in the bottom plate, a guide sliding groove is fixed to the bottom plate, a long toothed plate is connected into the guide sliding groove in a sliding mode, and a clamping head is fixed to one end of the long toothed plate. A clamping groove is formed in the end, away from the long toothed plate, of the chuck, the chuck and the clamping groove are matched to fix the trachea cannula, the long toothed plate is connected with a pressing and pushing mechanism and a locking mechanism, the pressing and pushing mechanism comprises a trapezoidal driven block fixedly connected with the long toothed plate, the trapezoidal driven block is connected with a trapezoidal driving block in a matched mode, and the trapezoidal driving block is fixedly connected with a push rod. The trapezoidal driving block is fixedly connected with a first reset spring, and the first reset spring is arranged in a spring seat and connected to the push rod in a sleeving mode. And a guide separation blade is also fixed on the long toothed plate. The fixing device adopts a pressing propelling structure, so that compared with a thread rotating propelling mode, more time is saved, and clamping and loosening operations are more convenient.

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 utility model discloses a pipeline detection device, which belongs to the technical field of pipeline detection, and comprises a symmetrically arranged plugging box, a side surface of the plugging box is fixedly connected with an air bag ring, the air bag ring is connected with the inside of the plugging box, a side surface of the plugging box is fixedly connected with an electromagnetic valve, the other side surface of the plugging box is fixedly connected with an air pipe, the outer surface of the air pipe is provided with a pushing component, one end of the air pipe is fixedly connected with an air distribution box, an air pump is fixedly installed on the upper surface of the air distribution box, and a pressure gauge is fixedly installed on the front side surface of the air distribution box. It is possible to conveniently find the leakage point of the pipeline while detecting the pipeline pressure, thereby avoiding the workers from checking and finding the leakage point of the pipeline, thus reducing the trouble of the workers and improving the practicality of the pipeline detection device.

The invention relates to the technical field of valve detection, in particular to a valve inlet pressure testing mechanism which comprises a testing valve, and a supporting structure is arranged outside the testing valve. The supporting structure comprises a supporting base, two mounting seats and two butt-joint sealing pipes; the outer surfaces of the two mounting seats are both provided with testing mechanisms communicated with the two butt joint sealing pipes, each testing mechanism comprises a shell, a through pipe, a piston, a limiting strip and an ejector rod, and the through pipe is fixedly communicated between the shell and the air pipe; and a speed regulating mechanism for reciprocating the ejector rod is arranged outside one of the mounting seats and comprises a rotary drum, a mounting outer shell, a mounting inner shell, an elastic telescopic pipe, a roller, a driving motor, a connecting shaft, a transmission gear, a driven gear, a butt joint rod, a regulating gear, a sliding seat, a motor and a rack. The moving speed and pressure of the piston can be adjusted, the testing efficiency and the testing consistency are improved, and then the testing accuracy is enhanced.

The utility model relates to the technical field of greenhouses, and provides a ventilation circulation device for greenhouses, including: a heating and ventilation component, a cooling and ventilation component, a cold air diaphragm, a temperature sensor, a top air pipe, a bottom air pipe and a greenhouse, the heating and ventilation component and the cooling and ventilation component are arranged on the outside of the greenhouse, the top air pipe is arranged at the top of the greenhouse, the bottom air pipe is arranged at the bottom of the greenhouse, the output end of the heating and ventilation component is connected to one end of the bottom air pipe, the output end of the cooling and ventilation component is connected to one end of the top air pipe, the cold air diaphragm is arranged on the lower side of the top air pipe, and the temperature sensor is arranged in the planting area of ​​the greenhouse. The utility model can heat the gas inhaled from the outside when the external ambient temperature is low, thereby preventing the temperature and dryness and humidity on the surface of the fruit from changing drastically, and avoiding the "dry edge" of the crop leaves and the "chapped skin" of the fruit.

The invention discloses a bite block for tracheal intubation, and belongs to the technical field of medical instruments. The overall shape of the bottom plate is of an oval structure, and a through groove is formed in the middle of the bottom plate. A bite block support capable of supporting the upper teeth and the lower teeth of the patient is inserted into the through groove; one side of the bottom plate is provided with a clamping groove for placing an air pipe insertion pipe; a clamping groove is formed in the bottom plate, a trachea cannula fixator capable of fixing the placed trachea cannula is arranged at the position of the clamping groove in the bottom plate, and the clamping groove in the bottom plate extends to the outer side area of the bottom plate, so that two protruding parts are formed on the side, provided with the clamping groove, of the bottom plate. The two top plates can be expanded and adjusted through cooperation of the adjusting pipe, the clamping ring, the guide groove and the guide rod, the supporting amplitude in the mouth of a patient can be adjusted, the problems encountered in real medical care can be solved, in the operation process, a series of operation adjustment of lifting of the top plates can be achieved only by repeatedly rotating the adjusting pipe, and the operation efficiency is improved. The operation is simple, and the tendon tissue around the jaw bone of the patient can be moved anytime and anywhere so that the patient can feel uncomfortable due to a fixed posture for a long time.

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 invention relates to the technical field of trachea cannulas, in particular to a multifunctional respiratory intervention trachea cannula which comprises a cannula body, an air bag is arranged at the insertion end of the cannula body, the air bag is connected with an inflation and deflation pipeline, an annular channel is formed in the side, close to the air bag, of the cannula body, and an angle adjusting assembly is arranged in the annular channel; the angle adjusting assembly comprises a plurality of bent pipes which are rotationally connected in sequence, and in every two adjacent bent pipes, at least one bent pipe is connected with a driving structure for driving the bent pipe to rotate relative to the other bent pipe; a liquid collecting groove is formed in the side, away from the inserting end of the catheter body, of the air bag, and a diluent pipeline and a sputum suction pipeline with one ends extending into the liquid collecting groove are arranged on the catheter body. According to the angle adjusting assembly, through the stacked design of the multiple small-angle bent pipes, precise control over the bending angle of the pipe body is achieved. By rotating the bent pipe, the combined form of the bent pipe can be gradually adjusted, so that the insertion end of the pipe body is accurately aligned with the glottis.

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 present invention relates to the technical field of smoke and smoke collection, and specifically to a smoke and smoke sampling device and a sampling method, comprising a sampling gun main body and a moving mechanism, the moving mechanism comprising a mounting tube, the inner side of the mounting tube is rotatably connected to a winding shaft, the outer side of the winding shaft is wound with an air pipe, the outer side of the winding shaft is fixedly connected to a fixing block, the air pipe is clamped on the fixing block, the winding directions of the air pipes on both sides of the fixing block are the same, both ends of the air pipe extend to the outside of the mounting tube, one end of the air pipe is fixedly connected to the sampling gun main body, the other end of the air pipe is fixedly connected to a connecting tube, the front end of the connecting tube is fixedly connected to a sensor, and a fixing component for fixing the mounting tube is arranged on the outer side of the sampling gun main body. The present invention can collect smoke from the side of the chimney to prevent the smoke from causing harm to the collector, and can collect smoke inside the chimney to make the smoke collection data more accurate.

The invention discloses a critical patient trachea cannula fixing device convenient to adjust. The critical patient trachea cannula fixing device comprises a fixing shell, a sliding block and a tooth support. A chute is formed in the middle of the fixed shell and is in sliding connection with the sliding block; limiting teeth are arranged on the two sides of the sliding block respectively, a spherical groove is formed in the middle and rotationally connected with a universal ball, and rotating shafts are symmetrically arranged front and back and rotationally connected with an adjusting ring; the front end of the rotating shaft is slidably connected with a locking rod; the locking rod is sleeved with a locking spring, and the front end of the locking rod is provided with locking teeth movably connected with the adjusting ring. A pull buckle is arranged at the front end of the locking tooth; holes are symmetrically formed in the two sides of the adjusting ring to be rotationally connected with rotating shafts, a fixing barrel is arranged in the middle, and locking columns are arranged on one side to be movably connected with locking teeth; the position and the angle of the intubation can be flexibly adjusted according to specific conditions of a patient, and smooth operation of tracheal intubation is ensured.

The invention discloses a bronchoscope intervention analog simulation method and system.The method comprises the steps that an analog simulation platform used for simulating the bronchoscope intervention process is built in advance, the analog simulation platform is connected with a handle rocker and a controller, and a trachea three-dimensional model and a bronchoscope tail end three-dimensional model are built and input into the analog simulation platform; physical parameters and collision constraint parameters are set for the trachea three-dimensional model and the bronchoscope tail end three-dimensional model respectively, so that a virtual trachea and a virtual bronchoscope tail end which can simulate collision are constructed; an electric signal output by the handle rocker is obtained to obtain a real target posture of the tail end of the real bronchoscope, and the controller determines a first driving amount used for controlling the tail end of the virtual bronchoscope according to the current virtual posture of the tail end of the virtual bronchoscope and the real target posture of the tail end of the real bronchoscope; and the analog simulation platform controls the tail end of the virtual bronchoscope to move in the virtual trachea according to the first driving quantity. The method can be applied to bronchoscope intervention simulation training and controller precision verification.

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.

The utility model belongs to the technical field of connectors, and relates to a negative pressure adsorption device which comprises a shell, an upper adsorption disc installed on the top face of the shell, a fixing mechanism installed on the bottom face of the shell, an air exhaust mechanism installed in the shell and an air exhaust mechanism installed in the shell. The air exhaust mechanism comprises an inner cavity unit and an air exhaust unit, an air release chamber and a plurality of small chambers which are sequentially communicated are arranged in the inner cavity unit, each small chamber is provided with a one-way pressure retaining valve in the air exhaust direction, each one-way pressure retaining valve comprises an annular air inlet and an air outlet nozzle, and each air outlet nozzle is provided with a strip-shaped opening allowing air to flow unidirectionally. The upper adsorption disc and an adsorbed object form an upper outer cavity, and the upper adsorption disc is provided with an air exhaust hole communicated with the upper outer cavity; one end of the inner cavity unit is communicated with the air exhaust hole through an air pipe, and the other end is communicated with the air exhaust unit; the negative pressure adsorption device has the beneficial effect that the technical problem that the air exhaust efficiency of an existing negative pressure adsorption device is not ideal is solved.