28 results about "Bronchial obstruction" patented technology

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 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 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.

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.

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.

Two or more microphone arrays in an ear-worn device may receive a soundwave, where at least a portion of the soundwave is received via an ear canal of a body. A processor of the ear-worn device may determine, based on the soundwave, a location of an obstructive sleep apnea (OSA) event in an airway of the body.

The invention discloses an intelligent mattress and a control method and device thereof. The intelligent mattress comprises an air bag layer, a base layer and a pressure sensing layer which are sequentially laminated; the air bag layer comprises an inflation device and two air bags which are arranged in the first direction and extend in the second direction. The pressure sensing layer comprises two pressure sensing belts which extend in the first direction and are arranged in the second direction, and each pressure sensing belt comprises a plurality of pressure sensors; the control method of the intelligent mattress comprises the following steps: acquiring a pressure signal of each pressure sensor in real time; determining the current sleeping posture of the user according to the pressure signals of the pressure sensors; when the current sleeping posture is the supine sleeping posture, acquiring the duration of the current sleeping posture; and controlling the state of each air bag according to the current sleeping posture and the duration of the current sleeping posture. According to the technical scheme, the side-lying sleeping posture of the user can be effectively maintained, the risk of airway blockage is reduced, the probability of occurrence of apnea events of the user is effectively intervened, and a good auxiliary treatment effect is achieved.

Two or more microphone arrays in an ear-worn device may receive a soundwave, where at least a portion of the soundwave is received via an ear canal of a body. A processor of the ear-worn device may determine, based on the soundwave, a location of an obstructive sleep apnea (OSA) event in an airway of the body.

The application provides an acute respiratory tract obstruction airway patency device, belonging to the technical field of medical treatment, comprising a connecting suction pipe, a sputum suction head and a negative pressure suction mechanism, the sputum suction head is arranged at the insertion end of the connecting suction pipe, the sputum suction head comprises a suction head front part and a suction head rear part, the suction head front part and the suction head rear part are relatively movable along the axial direction, the suction head rear part is rotationally connected with the connecting suction pipe, the negative pressure suction mechanism is arranged at the distal end of the insertion end of the connecting suction pipe, and the surface of the suction head rear part is provided with a suction hole; an elastic membrane is arranged in the suction hole, the inside of the elastic membrane is provided with a ring-shaped double-layer structure, and the opening end of the elastic membrane is fixedly connected with the inner surface of the suction hole; through the cooperation of the elastic membrane and the hole diameter control mechanism, the hole diameter of the suction hole can be automatically adjusted according to the pressure change of the suction hole, airway injury caused by negative pressure adsorption is avoided, and the technical defects that the existing airway patency device causes the suction hole to adsorb the airway wall due to sputum accumulation during sputum suction are solved.

The invention belongs to the technical field of medical instruments in wartime, and provides a breathing device for respiratory tract obstruction field operation first aid. The device comprises a catheter, the catheter is provided with a working ventilation cavity and a suction ventilation cavity, and the working ventilation cavity and the suction ventilation cavity are not communicated; the suction assembly is communicated with the other end of the guide pipe; wherein the suction assembly comprises a manual suction pump and a three-way valve; a first port and a second port of the three-way valve are respectively communicated with the working ventilation cavity and the suction ventilation cavity; a third port of the three-way valve is communicated with the manual suction pump; wherein one end of the catheter extends into the respiratory tract and is close to an obstruction part; then the manual suction pump is operated; and the second port and the first port of the three-way valve are opened in sequence. The device not only is reasonable in design, but also can realize air flow circulation at a respiratory obstruction part so as to realize ventilation, so that the technical defects of a traditional single-cavity ventilation pipe are effectively avoided, meanwhile, the operation is simple, and accessories are simple and easy to obtain.

The utility model relates to a tracheostomy catheter joint, including first intubation, one end is sleeved in the pipe orifice outside tracheostomy tube, the other end of first intubation is connected with the pipe orifice of connecting pipe and constitutes adjustable cooperation along the length direction of connecting pipe, the other end of connecting pipe is provided with the pipe of deformable, the pipe of deformable can present bending state, and the pipe orifice of deformable pipe is connected with the pipe orifice of breathing machine, the other end of connecting pipe is provided with the pipe of deformable, and the pipe of deformable can present bending state, in actual use, the activity of patient and the arrangement of surrounding medical equipment possibly limit the stretch direction of tracheostomy catheter joint, and the bending characteristic of deformable pipe makes medical staff can adjust the trend of tracheostomy catheter joint according to actual condition, avoids the ventilation of the resulting airway obstruction due to pipeline distortion or pulling, ensures that gas can flow smoothly between tracheostomy tube and breathing machine, improves the effect of respiratory therapy.

Conventional artificial noses have the problem that sputum and other substances mixed with the patient's exhaled breath can cause airway obstruction within the artificial nose housing. [Solution] In the artificial nose 10 of the present invention, a plurality of recesses 41 are formed around the opening 27B on the end face 27A of the housing portion 20, and a first wall portion 42 is formed that extends to the inside of the opening 27B. With this structure, even if sputum 61 mixed in the patient's exhaled breath enters the housing portion 20, the sputum is retained in the recesses 41, making it less likely for airway obstruction by sputum 61 to occur. As a result, the respiratory burden on the patient is reduced, and clogging of the first filter 33 due to the sputum 61 is prevented.

The utility model discloses a tracheal tube's air bag tube structure of detaching, which comprises a tube body, an air bag tube and a quick release joint. The quick release joint is arranged at the connection between the tube body and the air bag tube and is used for quick detachment of the two. The quick release joint comprises elastic connecting members, a transmission member arranged at the end of the tube body and distributed inside and outside, and a hook column structure arranged at the end of the air bag tube. A sealing ring is arranged between the hook column structure and the elastic connecting members. The hook column structure is limitedly inserted with the transmission member. When the force for pulling out the tube body exceeds the connecting force between the hook column structure and the transmission member, the quick release joint is automatically disconnected, and the tube body is detached from the air bag tube. The quick release joint is arranged to quickly detach the tube body from the air bag tube, which effectively avoids elongation and deformation of the tube during tube pulling. The tube pulling efficiency and safety are improved, and the risk of airway obstruction is reduced.

The utility model discloses a matching mechanism of a device for relieving sleep airway obstruction, which belongs to the technical field of snore-preventing devices, a connecting rod body is sleeved on a retention clamping column, and under the limiting action of a limiting cap, not only can the connecting rod body be prevented from falling off from the retention clamping column, but also the connecting rod body can be prevented from falling off from the retention clamping column when the limiting cap elastically deforms. In addition, the connecting rod body can be detachably arranged on the retention clamping column in a sleeving mode, so that under the design effect, the connecting stability between the connecting rod body and the retention buckle is guaranteed, and even if the retention buckle is abraded to a certain degree after being used for a long time, the connecting rod body cannot be damaged. The elastic deformation characteristic of the limiting cap can still ensure tight connection between the connecting rod body and the retention clamping column, and therefore it is ensured that the function of the whole device is not affected.

1. The name of the design product: adjustable cervical collar for preventing airway obstruction during intravenous anesthesia. 2. The use of the design product: the design product is an adjustable cervical collar for supporting the neck of a patient. 3. The design points of the design product: the overall shape of the appearance. 4. The picture or photo that best shows the design points: perspective view 1.