48 results about "Bronchial obstruction" patented technology

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.

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.

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 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.

This utility model discloses a voice tremor nursing teaching model in the field of nursing teaching aids. It includes a three-dimensional humanoid model with a left lung model and a right lung model positioned at the chest area. The left lung model is covered with a silicone membrane, forming a pleural cavity model. A catheter is located at the top of the left lung model, with one end extending into the pleural cavity model. Air or liquid is injected into the pleural cavity through the catheter to simulate pneumothorax or pleural effusion. The right lung model includes a detachable and replaceable lung cavity model, lung tumor model, and bronchial obstruction model. A bronchial model is located between the left and right lung models, with a microphone connected to the top of the bronchial model. The two forked ends of the bronchial model at the bottom are connected to the left and right lung models, respectively. This device can replace different models to simulate pathological states, allowing students to intuitively experience the differences in voice tremor under different pathological conditions, improving teaching effectiveness and students' clinical skills training level.

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 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.

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 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.

Self-expanding, tubular (tapered or constant diameter), oval or elliptical (not circular) airway stents suitable for placement under open or minimally invasive approaches within patients of various sizes and of various species, and methods for their placement in a tracheobronchial tree of a patient. The airway stent may be provided in various lengths and have an oval or elliptical cross-sectional shape that is either constant or variable in both short axis dimensions. The airway stents are particularly suited for treating patients with large airway obstructions in whom the natural airway cross-sectional dimensions are oval or elliptical rather than circular. The airway stent allows for more anatomic filling of the natural airway lumen, reduces the need to oversize the airway stent diameter and therefore reduces subsequent stent fatigue and fracture, and improves stent-tracheal wall contact to minimize gaps that lead to mucus trapping and chronic infections with subsequent tissue ingrowth and airway obstruction.

Described herein are compositions, devices, and methods useful for treating (reversing) and / or preventing fentanyl overdose resulting in respiratory failure or airway obstruction (FIVCC). Compositions are provided that include optimized amounts and / or ratios of two active ingredients, including: an alpha 2 adrenergic receptor agonist (e.g., lofexidine, dexmedetomidine, clonidine) and a short acting mu opioid receptor antagonist (e.g., naloxone); an alpha 2 adrenergic receptor agonist and a long acting mu opioid receptor antagonist (nalmefene); and an alpha 2 adrenergic receptor agonist and a fentanyl opioid analgesic. Methods and devices for concurrent delivery of combined active ingredients are also provided.

The application discloses a prone position ventilation optimization management system for inhalation injury combined with ARDS, relates to the technical field of medical care information science, and comprises the following steps: acquiring ventilation response parameters, separating airway viscous resistance response components and lung elastic recoil response components, and constructing alveolar ventilation efficiency indexes; based on a sliding time window, the alveolar ventilation efficiency indexes are subjected to change trend and stability analysis, the prone position lung recruitment state is determined, the airway obstruction state is identified in combination with the adjacent breathing cycle change amplitude and change rate, and a comprehensive abnormality determination result is obtained; in the abnormal case, the obstruction type is identified, ventilation and body position coordinated adjustment are performed, the decompression air cushion inflation is adjusted in combination with local pressure monitoring, and closed-loop optimization is realized through review and verification. The problems that, in the prior art, the airway obstruction interference is not effectively eliminated, the ventilation state recognition precision is insufficient, and the adjustment strategy is lagged, thereby limiting the prone position ventilation optimization effect are effectively solved.

This invention relates to the field of medical data processing technology, specifically to a lung infection status early warning system based on medical big data. The system captures the flow velocity response before and after expiratory pressure regulation, and uses regularized inversion to deconstruct the time-domain signal, which is disturbed by respiratory rate, into a standardized sequence of measured lung unit volumes. Subsequently, it constructs a theoretical distribution benchmark of purely elastic recoil using measured high-pressure data. By constructing a transmission cost matrix reflecting the shear characteristics of non-Newtonian fluids, it uses an optimal transmission algorithm to calculate the optimal transmission strategy that reshapes the theoretical distribution into the measured distribution. Finally, it analyzes the topological entropy and transmission energy consumption of this transmission strategy to extract obstruction features and generate an early warning. This invention utilizes a rheological model to specifically quantify the viscosity and focal distribution of fluid within the airway, effectively differentiating between physical pulmonary edema and biological airway obstruction at an early stage.

The invention discloses a non-contact simplified lung function detection method and system based on radio frequency sensing, and belongs to the field of radio frequency sensing detection. Comprising the following steps: keeping a subject in a vertical sitting posture, forcibly exhaling until lungs are emptied after multiple times of deep respiration, and lifting arms as a static reference; the radio frequency sensing device detects chest movement of a subject in a non-contact manner to obtain a radio frequency signal; processing a radio frequency signal, fitting an I / Q signal center through a least square method to correct direct current bias, extracting a chest wall relative displacement signal through improved differential and cross multiplication phase demodulation, and extracting a chest wall relative displacement speed signal through differential and filtering; and based on the two signals, generating a relative displacement-velocity curve index and a relative displacement proportion index in the first second of forced expiration, and evaluating the possibility of airway obstruction. The system comprises a radio frequency sensing device and a computer, realizes non-contact convenient detection, and adapts to community and family scenes.

The utility model provides a nasal bronchoscope operating tube which comprises an operating tube, and the rear end of the operating tube is connected with a first connector of a tee joint in a sealing mode. A second interface, on the same axis with the first interface, of the tee joint is a bronchoscope inlet, and the second interface is detachably connected with an end cover; a third interface of the tee joint is connected with a high-flow breathing humidifying therapeutic apparatus through a high-flow catheter; the operation tube which is inserted through the nasal cavity and has the front end arranged above the epiglottis is used as an entry channel of the bronchoscope; at least one air hole is formed in the side wall of the front end of the operation tube. The nasal bronchoscope operation tube serves as a bronchoscope operation pipeline, and the bleeding risk caused by nasal mucosa injury caused by movement of a bronchoscope in the operation process is reduced; meanwhile, the device can be connected with a high-flow humidifying oxygen therapy instrument, the oxygen deficit risk of the patient in the operation process is reduced, and particularly the oxygen deficit risk caused by upper airway obstruction easily occurring to some obstructive sleep respiratory syndrome and tongue retrograde falling patients is reduced.

The invention relates to the technical field of medical health, in particular to an oral appliance device for treating child OSA non-airway obstruction, which comprises an upper jaw expansion bow and a lower jaw front guide, a supporting and resetting structure for correcting the oral cavity is assembled between the upper jaw expansion bow and the lower jaw anterior guide; the supporting and resetting structure comprises a shaft screw rod and a shaft frame plate which are matched with each other to adjust the opening degree of the oral cavity; by adjusting the jaw relation and supporting the reduction structure, excessive mandibular closure can be limited, lower gums and upper gums can be maintained to be flush or set leading positions, jawbone dysplasia can be corrected, the position relation of the upper and lower jawbones can be improved, and tongue positions and tongue muscles can be trained; the tongue position training structure guides the tongue to conduct forward pushing or backward pulling movement through a tongue position driving belt, the tongue body can be trained to keep the anterior position, the tongue muscle strength is strengthened, the transmission mechanism can be driven to adjust the lower jaw anterior guiding distance in the tongue muscle movement process, and the dual functions of tongue position correction and dental arch width adjustment are achieved.

The patent application discloses a seizure anti-biting tongue cleaning device, and particularly relates to the field of cleaning devices. The device comprises a sleeve, a fixed cylinder, two flexible pads, two flexible rods, a positioning block and an oral cavity cleaning assembly. The fixed cylinder is arranged at the opening of the sleeve. The two flexible pads are symmetrically arranged at the two sides of the sleeve and are movably connected with the outer wall of the sleeve. The middle part of each flexible pad is provided with a sliding slot, and the two flexible pads are abutted at one end. The two flexible rods are symmetrically arranged and are rotatably connected between the flexible pads and the sliding slots. The positioning block is provided with a through hole for the sleeve to pass through, and the positioning block is slidably connected with the sleeve through the through hole. The two push rods are rotatably connected between the flexible pads and the positioning block. The oral cavity cleaning assembly is arranged in the fixed cylinder and can suck out the secretion in the oral cavity through negative pressure. The technical scheme of the present application solves the problems of inconvenient operation, airway obstruction and secretion blockage caused by manual intervention, and improves the safety.

This invention provides a multifunctional artificial airway for pre-hospital use, including a mask assembly. A silicone sleeve is elastically snapped onto the rear end of the mask tube connected to an oxygen mask. After the silicone sleeve is connected to the inner connecting plate, the airway connecting plate and the airway can extend into the patient's pharynx, achieving the function of opening the airway and preventing airway obstruction. It also connects to an external oxygen source through the mask tube for oxygen supply. Furthermore, an inner telescopic airway component is elastically slidably connected inside the airway assembly. If the length of the airway assembly alone is insufficient to open the patient's airway, the inner airway can be pulled outwards, causing the inner telescopic airway component to extend outwards. The inner telescopic airway component, in conjunction with the adjustment of the airway assembly, works together to open the airway. To further improve the close fit between the rear cushion and the patient's face, this invention also includes an adjustable upper baffle component relative to the oxygen mask position.

The utility model relates to oral cavity instrument technical field discloses oral cavity cannula fixer, including dental bed support device and oral cavity fixed support board, cannula passage, the top and / or bottom of oral cavity fixed support board is located in the cannula passage of oral cavity outside and is equipped with gear track, and the gear track supplies push -pull slide and meshing movement to realize far or close to the one side of cannula passage. The utility model discloses oral cavity cannula fixer, for the patient rapid establishment oral cavity pharynx airway, carries out the cannula fixation of multiple trachea or catheter, and the mouth of auxiliary patient keeps the stable open state, ensures the patient to keep the airway unobstructed in the process of anesthesia, first aid or intensive care, prevents the cannula from sliding down and leads to the airway obstruction, thereby avoids the occurrence of hypoxia and asphyxia.

A device, method and a system for treating a respiratory conditions The present invention relates to the field of mandibular repositioning as a measure to treat the respiratory conditions not limited to OSA (Obstructive Sleep Apnea). The device comprises an upper splint with a nasal dilator; and a lower splint comprising a lingual bud. The device is a metal free mandibular advancement device (MAD) with a locking mechanism comprising an interchangeable insert for incremental advancement of the mandible. The locking arrangement is a side–to-side arrangement of the bilateral inserts and the bilateral flanges for the adjustable coupling of the splints. The device provides a method to prevent airway obstruction and enhance airflow in respiratory condition such as sleep apnea, snoring, nasal obstruction, and upper airway resistance syndrome. It further provides a system having a sensor and feedback mechanism for monitoring airflow, pressure, or tongue position during use.