78 results about "Airway obstruction" 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.

Disclosed herein are embodiments of an electric suction device for emergency airway obstruction removal and anti-choking, relating to the field of emergency rescue technology. One embodiment comprises a face mask, with an electric suction mechanism set on the surface of the face mask. The electric suction mechanism includes an oral support that is movably installed inside the face mask. The face mask is pressed tightly against the face and adjusted to form a sealed space. Activating the electric suction mechanism switch triggers the control circuit board to power the one-way suction module via the battery. This controls the one-way suction module to extract air, creating negative pressure in the sealed space.Consequently, the obstructing object is suctioned out of the airway due to continuous negative pressure. When the patient is unconscious or unable to cooperate, the oral support can be inserted into the patient's mouth to ensure that the patient's mouth is open and the device can be used. This device is easy to operate, safe and stable. The suction of this device can be controlled and there are different types of masks that can be configured to meet different people. It can be used independently by the patient without third-party assistance, or by a rescuer when the patient is unable to perform self-rescue.

A method of identifying a patient with obstructive sleep apnea implants a phrenic nerve stimulator in the patient or connects the phrenic nerve stimulator to the diaphragm, and adjusts the stimulation energy applied by the phrenic nerve stimulator to the phrenic nerve of the sleeping patient based on airway occlusion in the airway of the patient.

The invention discloses a plastic suction flushing tube used in cooperation with a visual double-lumen bronchial catheter, the plastic suction flushing tube comprises a suction flushing tube, the suction flushing tube comprises a plastic part and an operation part, the plastic part is located at the far end of the suction flushing tube, a built-in steel wire is arranged at the position 1-1.5 cm away from a hole in the far end of the suction flushing tube, and the operation part is located in the plastic part. The built-in steel wire enables the plastic part to be bent at will and to be kept shaped; the shape of the front end of the suction and flushing pipe can be flexibly adjusted, the suction and flushing pipe can be accurately guided to a target suction or flushing area, the suction and flushing accuracy is improved, the risk that sputum or secretions are not thoroughly removed is reduced, complications such as respiratory tract blockage are reduced, and the life safety of a patient is guaranteed.

1. Name of the product in this design: Asphyxiation Assistance Rescue Device. 2. Purpose of this design: To assist in rescue efforts to prevent suffocation and airway obstruction. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present application belongs to the technical field of image analysis, and particularly discloses an endoscope image segmentation and upper airway obstruction evaluation method and system, which trains an image segmentation model through an endoscope image with known segmentation labels, the segmentation labels being airway cross sections and internal anatomical structure labels; the image segmentation model comprises: an encoder for performing feature extraction on an input endoscope image to obtain a feature map; a decoder for performing layer-by-layer decoding on the feature map to obtain decoding feature maps of different levels; a skip connection is arranged between the encoder and the decoder, and a frequency domain attention module is embedded; a feature interaction module processes the decoding feature maps of each level respectively, so that the decoding features of adjacent levels are fused in channel and spatial dimensions to obtain enhanced feature maps, and then an image segmentation result is obtained. The present application can realize accurate segmentation of airway cross sections and anatomical structures in an endoscope image, and assist doctors in improving diagnosis efficiency and accuracy.

The invention discloses a difficult airway patient intubation device for anesthesia, and relates to the technical field of medical equipment.The difficult airway patient intubation device for anesthesia comprises a base, connecting frames are arranged on the two sides of the upper end of the base, and clamping assemblies with adjustable positions are arranged on the outer walls of the two connecting frames and used for fixing the head of a patient; the fixing assembly is arranged on the clamping assembly and is used for fixing a cannula of a patient user and preventing the cannula from being squeezed by teeth of the patient, so that airway obstruction is caused; the base is provided with a supporting bag capable of jacking up the rear neck of a patient. According to the intubation device for the patient with the difficult airway for anesthesia, the head of the patient is clamped through the arranged clamping device, air is pumped into the supporting bag through the air bag, the rear neck of the patient can be supported, and therefore the head can lean backwards, and the problem that intubation is inconvenient for medical staff is solved.

The invention relates to the technical field of neck collar equipment, in particular to an adjustable neck collar for preventing intravenous anesthesia airway obstruction. Comprising a first neck bracket and a second neck bracket, hook-and-loop fasteners which are symmetrically distributed are jointly arranged between the first neck bracket and the second neck bracket, a fixing frame is fixedly connected to the side, away from the second neck bracket, of the first neck bracket, and an adjusting frame is slidably connected to the fixing frame; transmission air bags distributed in a linear array mode are fixedly connected between the fixing frame and the adjusting frame, every two adjacent transmission air bags are communicated with each other, an extrusion frame is hinged to the adjusting frame, and a torsional spring is fixedly connected between the adjusting frame and the extrusion frame. The transmission air bag expands to push the extrusion frame to move and rotate, so that the extrusion frame adapts to the length of the neck of a patient while pushing the lower jaw of the patient to move upwards, it is ensured that the tongue root of the patient can be driven to move upwards while the lower jaw of the patient is lifted, and therefore the airway of the patient is kept smooth.

This application is applicable to the technical field of anesthesia airways, and particularly relates to a method for generating prompt information and an anesthesia airway opening assistance device. The method includes: obtaining hot gas information in real time; wherein, the hot gas information includes temperature data and gas flow rate transmitted by an array composed of a plurality of sensors at preset time intervals; obtaining analysis information based on the hot gas information; wherein, the analysis information includes at least one airflow obstruction index corresponding to a specific area in the user's airway and ventilation volume information, the airflow obstruction index reflects the obstruction condition of the specific area in the user's airway, and the ventilation volume information includes left lung ventilation volume and right lung ventilation volume; obtaining prompt information based on the analysis information. The method for generating prompt information provided by the embodiments of this application can improve the problem that when a patient is anesthetized, airway collapse occurs, resulting in airway obstruction and further causing ventilation dysfunction in the patient.

1. Name of the designed product: choking auxiliary rescue device. 2. Use of the designed product: device for auxiliary rescue as a prevention of choking and airway obstruction. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The application relates to the technical field of biomedical engineering, and particularly discloses a closed-loop OSA stimulation control method and device based on multi-modal physiological signal fusion, which comprises a multi-modal physiological signal acquisition module, a control processing module, a stimulation output module and a feedback correction module; by fusing related physiological signals such as respiratory muscle electricity, blood oxygen saturation and snore sound acoustic spectrum characteristics, the blocking risk in the sleep process is evaluated in real time, and the corresponding stimulation time, stimulation channel and stimulation parameter are determined in combination with the breathing phase information and the feedback result after stimulation, so that the precise, real-time and individualized closed-loop control for OSA intervention is realized under the premise of meeting the preset safety constraint. The application can more comprehensively reflect the respiratory state and the upper airway blocking risk in the acquired data, improve the accuracy of OSA related event identification, and determine the stimulation triggering time according to the current respiratory state, thereby improving the matching degree between the stimulation intervention and the actual respiratory demand.

The utility model discloses a safe tracheal catheter for tracheotomy. The safe tracheal catheter comprises a triangular prism trachea, a trachea connector and a liquid extraction tube, wherein the interior of the triangular prism trachea is hollow; the triangular prism air pipes are connected through elastic pieces, the liquid extraction pipe is fixedly installed on one sides of the triangular prism air pipes, and the air pipe connector comprises a first connecting end and a second connecting end; one end of the triangular prism trachea is connected to the first connecting end of the trachea connector in a sleeving mode, the second connecting end of the trachea connector is connected with the external air supply pipe in a sleeving mode, and then the triangular prism trachea is placed in the trachea of a patient in an operation, so that after the trachea is cut open, the triangular prism trachea does not hinder a tracheostomy tube from being placed in the trachea, and the tracheostomy tube is not blocked. And the position of the triangular prism trachea does not need to be adjusted, so that the operation can be implemented and operated by a single person more easily in the operation process, and the situations that the airway is blocked, the triangular prism trachea is fractured and disengaged and enters other gaps of the neck by mistake can be avoided.

This invention belongs to the field of medical teaching aids technology, specifically a cardiopulmonary resuscitation (CPR) first aid skills training device, including a head training module, a neck connection module, a chest training module, a base platform, and a control module. The head module includes a head shell, a simulated oral cavity, an angle sliding shaft, and a sensing unit. The neck module is equipped with an automatic closing device to achieve coordinated airway opening and closing. The chest module incorporates a compression simulation unit, a vibration module, and electrode pressure pads. The control module coordinates data transmission and feedback from all units. This invention solves the problems of existing CPR training devices, such as limited functionality, inaccurate operation detection, unrealistic scenario simulation, delayed feedback, and scattered assessment data. These devices fail to provide comprehensive error correction guidance for trainees, struggle to recreate realistic scenarios such as airway obstruction and insufficient ventilation, resulting in poor training effectiveness and failing to meet the needs of precise clinical emergency training. This invention achieves accurate capture of the entire operation process, real-time feedback, and standardized assessment, improving the professionalism and practicality of the training.

The invention relates to a surgical instrument for rapidly taking out large foreign matters on the pharynx and rapidly relieving airway obstruction. The foreign body forceps are generally made of cold steel or high-speed tool steel, and mainly comprise two parts, namely a forceps head and forceps handles. The forceps head and the neck portion are bent downwards in an arc shape by 60 degrees, the head portion is a long oval ring, and teeth are arranged on the inner face. The forceps handle parts are respectively provided with a ring, and fingers can be sleeved in the rings when the forceps are used. The device can help to quickly take out large foreign matters in the pharyngeal cavity, quickly relieve airway obstruction, is convenient to disinfect, can be repeatedly used, and can be widely used for taking out large blocked foreign matters in the pharyngeal cavity in the otolaryngology department, the pediatric department, the emergency department and the like.

The invention belongs to the technical field of biomedicine, and discloses an antibody for evaluating the curative effect of infantile pneumonia asthma and application of the antibody. The heavy chain CDR sequence of the monoclonal antibody (secreted by the hybridoma cell strain 2B5) is SEQ ID NO: 2-4, the light chain CDR sequence of the monoclonal antibody (secreted by the hybridoma cell strain 2B5) is SEQ ID NO: 6-8, the dissociation constant of the monoclonal antibody and an IL-5R antigen reaches 2.435 * 10 <-1 > / L, and the affinity is high. The antibody can accurately evaluate the curative effect of infantile pneumonia and asthma by detecting the lung function, the ratio of eosinophilic granulocytes in bronchoalveolar lavage fluid and lung tissue inflammation, can also significantly improve airway obstruction and inflammation of asthma model mice, has an effect superior to that of dexamethasone, solves the problems that existing curative effect evaluation is lack of specific tools and has large side effects of therapeutic drugs, and has good clinical application prospects. And a new scheme is provided for curative effect evaluation and adjuvant therapy of infantile pneumonia asthma.

The utility model belongs to the technical field of medical supplies, and particularly relates to a negative pressure aspirator capable of automatically sucking out obstructed foreign matters in an airway, which comprises a main machine and a mask assembly, and the main machine comprises a piston cylinder assembly, a piston rod assembly and an upper fixing seat assembly. The upper fixing base assembly is used for controlling the piston rod assembly and comprises an upper fixing base, a main machine shell, a piston rod fixing piece, a key fixing piece and a key spring. When the main machine shell moves towards the mask assembly, the piston rod assembly is released to generate negative pressure. Under the emergency condition of sliding the host shell, time for finding a specific trigger key is not needed, and the user does not need to find the smooth posture of the user and adjust the pressing direction of fingers. The mask can be directly triggered as long as the mask is taken to be aligned with the mouth and the nose of a trial person and the main machine shell is taken to slide downwards forcibly no matter what gesture angle is, and compared with an emergency mask with a key, the emergency mask can save more service time and is more convenient and quicker under the emergency condition.

The invention relates to the technical field of medical bite, in particular to an anti-loosening double-hole endoscope bite compatible with high-flow oxygen therapy, which comprises a bite, at least two through holes are formed in the bite, and knobs are detachably arranged in the through holes; the airway tube is a liquid silicone tube and is used for simulating the interior of the nasal cavity; the branch tube is used for distributing oxygen to the glottis opening, and the oropharynx tube is used for relieving airway blockage during high-flow oxygen supply; the oropharynx tube and the airway tube can be flexibly matched through the knob to adapt to different endoscope operation scenes; the airway tube can simulate a nasal cavity environment through compression of the knob, so that stable fixation is realized, and the problems of nasal cavity insertion injury and unstable oral cavity insertion fixation are avoided; the oropharynx tube simultaneously monitors the concentration of carbon dioxide at the glottis, and the risk of missed diagnosis is avoided; the high-flow oxygen tube branch tubes distribute oxygen to improve oxygen supply efficiency, and meanwhile, a pressure relief channel is formed, so that lung and stomach injury caused by high-flow oxygen is avoided.

The application discloses an airway obstruction intervention recommendation method and system, and the method comprises the following steps: acquiring instant diagnosis data of a current patient; extracting key index characteristic data from the instant diagnosis data; and determining an airway obstruction intervention recommendation scheme by using the key index characteristic data and a pre-established airway obstruction intervention decision model. By using the scheme, relevant rescuers can make rapid and effective disposal of airway obstruction of the patient, and the rescuing ability under an emergency condition is improved.

The invention discloses an adenoid image acquisition and processing method and device based on ultrasound and electronic equipment, and belongs to the technical field of medical information.The method comprises the following steps that S1, the body position is designed, the neck of a child patient is naturally stretched, and a scanning window of the submandibular area is exposed; s2, the scanning frequency and the scanning depth of an ultrasonic probe are set; s3, the ultrasonic probe is placed in the submandibular area of the child patient, and the long axis is parallel to the human sagittal plane as far as possible; s4, identifying the standardized anatomical markers from shallow to deep; s5, positioning the nares and adenoid bodies based on the standardized anatomical markers, automatically positioning the midline of the nasopharynx through clockwise or anticlockwise continuous scanning, and collecting ultrasonic pictures; and S6, according to the ultrasonic picture, obtaining the adenoid nasopharyngeal cavity proportion so as to confirm the blocking degree. According to the adenoid image acquisition and processing method based on ultrasound, the adenoid airway blocking degree can be judged, the process is noninvasive and nonradiative, recognition is accurate, and the method is suitable for screening and follow-up visit of child adenoid hypertrophy.

The application discloses a preparation method of a 3D printing anti-inflammatory biodegradable airway stent, and provides a new solution for rapidly preparing a personalized biodegradable airway stent for clinical application. The preparation method comprises the following steps: preparing a customized airway stent by using a 3D printing technology; obtaining an amine crosslinked stent by using a surface modification method; and further obtaining an anti-inflammatory airway stent by using an amidation reaction between ibuprofen and the surface amino group. The process has good repeatability and excellent personalized customization performance, and can be used as an effective means for treating central airway obstruction.

The invention discloses a delirium patient self-adaptive pressure adjusting and restraining glove and a using method thereof, and belongs to the technical field of medical auxiliary instruments, the delirium patient self-adaptive pressure adjusting and restraining glove comprises a glove body, the glove body is composed of a wrist part, a palm part and a finger part, the glove body is divided into an outer protective shell, a middle pressure sensing adjusting layer and an inner skin-friendly contact layer, the wrist part is provided with a detachable wrist self-locking fastening mechanism, and the wrist self-locking fastening mechanism restrains the glove body on the wrist of the patient. Aiming at the core problem that the delirium patient moves restlessly and is easy to pull out the catheter, through the design of a finger constraint structure, self-adaptive pressure adjustment and the like, the finger grasping action is accurately blocked, accidental pull-out of the diagnosis and treatment catheter is avoided, serious complications such as airway obstruction, bleeding and infection are reduced, the life risk of the patient is reduced, and the hospitalization time is shortened.

In one aspect, a kit for facilitating airway intubation is disclosed, which includes a video bougie comprising an elongated body and a camera system disposed at a distal end thereof, the camera system configured to generate video images of an anatomical lumen, and an oropharyngeal airway obturator comprising a body being configured to slidably receive said video bougie to facilitate insertion of an airway tube into a patient.

This application discloses a control method for an airway obstruction emergency rescue device to improve the success rate of emergency rescue. This application applies to the processing module of an emergency rescue device, which also includes a laryngoscope module. The method includes: acquiring an obstruction assessment result for the affected area; based on the obstruction assessment result, acquiring a processing image of the affected area using a camera on the laryngoscope module, and performing an obstruction elimination operation based on the processing image; reacquiring the processing image and extracting the airway patency rate from the reacquiring processing image; comparing the airway patency rate with a preset patency rate threshold to obtain a comparison result, and performing operations based on the comparison result until the comparison result is consistently greater than or equal to the patency rate threshold for n consecutive times, where n is a positive integer greater than or equal to 2; if the comparison result is consistently greater than or equal to the patency rate threshold for n consecutive times, then the obstruction is determined to have been eliminated.

The utility model relates to the field of medical monitoring and anesthesia, in particular to a nasal end-expiratory carbon dioxide monitoring device for non-intubation general anesthesia, which comprises a detection tube and a disposable nasal cannula, the disposable nasal cannula is detachably communicated with one end of the detection tube, an expiration sensor is mounted on the inner wall of the detection tube and electrically connected with a controller, and the controller is electrically connected with the nasal end-expiratory carbon dioxide monitoring device. The controller is electrically connected with an indicator lamp, the controller and the indicator lamp are installed on the detection tube, and the controller controls the indicator lamp to flicker along with the expiration times of carbon dioxide. The device can effectively monitor end-expiratory carbon dioxide in real time for sedative and analgesic patients with non-intubation and difficult airway anesthesia, can timely and effectively recognize and give an alarm for airway obstruction, and can effectively give an early warning for hypoxia.

The invention discloses a lung function residual gas volume detection method for a patient in a pneumonia recovery period, and belongs to the technical field of lung function residual gas volume detection for the patient in the pneumonia recovery period, and the method comprises the following steps: determining a basic detection mode, identifying basic information of the basic detection mode, carrying out condition evaluation according to the basic information, and obtaining a condition evaluation result, performing corresponding processing according to the condition evaluation result; performing airway obstruction assessment on the patient to obtain an airway assessment result; guiding the patient to prepare for breathing; performing lung function residual gas volume detection on the patient according to the basic detection mode to obtain an initial detection result, and correcting the initial detection result according to the airway evaluation result to obtain a target monitoring result; parameters such as washing-in and washing-out speed, flow and the like of the gas are accurately controlled and optimized, so that the gas can be kept in a relatively stable state in different detection environments, and interference of external factors on a detection result is reduced.

The application discloses a kind of nanoparticles for removing lung mucus and its preparation method and application, it is related to the field of biological medicine.The nanoparticles of the application are composed of inner core and shell coated on the surface of the inner core, wherein the inner core contains citric acid and photoluminescent polymer-aliphatic polyester copolymer;The shell contains deoxyribonuclease and hydrophilic polymer.The nanoparticles provided by the application have excellent biocompatibility and multifunctional integration characteristics, which realizes effective penetration of lung mucus barrier, specific degradation of DNA network, down-regulation of pro-inflammatory factors and inhibition of mucus production in sequence through cascade response mechanism, breaking through the limitations of traditional single therapy.In addition, the in vivo experimental results show that it can significantly reduce the thickness of lung mucus and the protein concentration of lavage fluid, and effectively relieve airway obstruction, and can be used for removing lung mucus.

1. Name of the designed product: Anti-suffocation instrument (portable). 2. Use of the designed product: For suction of airway obstruction. 3. Design points of the designed product: In shape. 4. Picture or photo best indicating the design points: Fig. 1.

Embodiments of the present application disclose a method for judging airway obstruction and related devices, which are used to improve the accuracy of judgment. The method comprises: acquiring a to-be-processed image of a diseased part; performing image segmentation processing on the to-be-processed image according to pixel features of pixels in the to-be-processed image based on an image segmentation algorithm to obtain a segmentation mask image including an obstruction region and an airway region; extracting shape regularity of the obstruction region, adhesion degree between the obstruction region and the airway region, gray mean value difference between the obstruction region and the airway region, and gray contrast of the obstruction region from the segmentation mask image; acquiring a trained judgment model, wherein the judgment model includes a foreign matter judgment module; inputting the shape regularity, the adhesion degree, the gray mean value difference and the gray contrast into the foreign matter judgment module to obtain a corresponding foreign matter judgment result, and the foreign matter judgment result is foreign matter obstruction or pathological obstruction.

The bronchoscope comprises a handle and a body entering tube which are connected with each other, the periphery of one end, far away from the handle, of the body entering tube is provided with an inflatable air bag, and the side surface of the body entering tube is provided with a second camera used for confirming the position of the air bag. The second camera used for confirming the position of the air bag is arranged in the air bag or behind the air bag, when bleeding is caused by an operation, it is confirmed that the air bag reaches the position of a bleeding point through the second camera in time, the bleeding point is accurately inflated and pressed, and complications such as airway obstruction and suffocation which threaten life due to excessive bleeding are avoided.

The utility model discloses a mouse airway administration device, and relates to the technical field of mouse airway administration devices. The lower portion of the main pipe body is sleeved with a conical sealing body, an air guide pipe is fixed to the side face of the main pipe body, the top of the air guide pipe is fixedly connected with an air inlet, the top of the main pipe body is fixedly connected with a medicine inlet, the medicine inlet is communicated with a top quantitative pipe, direct medicine injection is facilitated, and the air inlet can be connected with an animal breathing machine to continuously provide oxygen for a mouse. The conical sealing body can be embedded in the airway through forward pressure to block and seal the trachea of the mouse, medicine backflow is prevented, medicine loss caused by bucking reaction after airway administration of the mouse and respiratory suffocation caused by airway administration are prevented, the death rate of the mouse is reduced, and the success rate of airway administration of the mouse is increased.