24 results about "Pharyngeal cavity" patented technology

The invention relates to a dissolvable food gel gradient-based swallowing ability dynamic quantification method, which comprises the following steps of: constructing a microstructure unit consisting of an instantaneous surface attachment area and a middle-stage debonding layer in dissolvable food gel, and simulating early-stage sensing delay and middle-stage release response in a swallowing process; different material behavior reactions are generated in the front stage, the middle stage and the rear stage of swallowing by regulating and controlling the hydration diffusion rate, the surface tension and the internal cohesion difference value of the gel, and the gel of each stage corresponds to the set micro-viscosity and release coupling ratio, so that swallowing strategies of different stages are adapted; controllable disintegration temperature-sensing microparticles or traceable microcapsules are partially embedded in the food gel, the food gel is detained in a pharyngeal cavity after being swallowed, and the removal efficiency after swallowing is detected according to migration behaviors within a set time window; after swallowing, the reduction behaviors of the oral cavity, the tongue body and the throat muscle group are monitored, and when the characteristic action of reduction delay, secondary mouth opening, repeated swallowing or pharyngeal itching occurs, it is judged that the swallowing behavior closed loop is interrupted.

The present application relates to the technical field of sleep intervention, in particular to an intelligent sleep instrument and a sleep instrument control method, the system comprising a respiratory mutation recognition module, a slow wave initiation linkage module, a pharyngeal cavity contraction evaluation module, an intervention section positioning module and a delay trigger control module. In the present application, the extreme points densely appearing in the continuous cycle are accurately positioned as the key nodes of respiratory abnormalities through the identification of the mutation of nasal respiratory flow, and the slow wave initiation stage closely related to the respiratory mutation is screened out and marked as the linkage period in combination with the power curve change trend of the electroencephalogram signal. The pharyngeal cavity state is dynamically evaluated through the change of acoustic echo in the period, the intelligent postponement and delay processing of the intervention behavior are realized through the comparison of the trigger point of the intervention action and the boundary of the platform section, the accuracy of the sleep intervention timeliness and the adaptability of the intervention execution are improved, and the respiratory event control effect and the sleep continuity are significantly improved.

A headrest device for lateral position diagnosis and treatment comprises a headrest, the overall height, the right side height and the left side height of the headrest can be adjusted respectively until one side height of the headrest is higher than the other side height, and when the headrest device is used, the headrest is adjusted to be at a proper height according to the body type of a patient and is adjusted to be in an inclined state. The head and the face of the patient incline towards one side of the headrest, and oral secretions can naturally flow out conveniently due to the inclination of the headrest. The position, close to the rear side, of the left end of the headrest is connected with a head and neck supporting bracket through a plurality of hinges and swing arms, the head and neck supporting bracket is provided with a groove, a supporting plate is arranged at the bottom of the side wall of the groove, and the rear side face of the right end of the headrest is fixedly connected with a baffle. The upper section of the front side of the baffle is connected through a fourth hinge, a first head and neck rear side fixing plate, a fifth hinge and a second head and neck rear side fixing plate. The head and neck supporting bracket and the second head and neck rear side fixing plate jointly fix the head and neck in a backward leaning state, so that the airway is opened, the space of the pharyngeal cavity is increased, and the conditions of hypoxia, bucking, aspiration and the like are avoided.

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 application discloses a swallowing-aspiration double-channel simulation device and method capable of evaluating food aspiration risk, and belongs to the technical field of food science and swallowing physiology simulation. The device comprises an oral cavity cavity, a pharyngeal cavity channel, a downstream bifurcated esophagus channel and a trachea channel, an epiglottis turnover mechanism for simulating normal closing, delayed closing or incomplete closing of the epiglottis, a multi-modal detection module for monitoring food sample volume, flow rate, pressure and particle conditions, and a control module for accurately controlling the action of the epiglottis turnover mechanism and synchronously collecting data. After a food sample to be detected is placed in the oral cavity cavity, a swallowing mode is selected, the swallowing simulation is started, and detection data are collected in real time. Through data analysis, the aspiration volume fraction is calculated, so that the aspiration risk grade of the food sample is quantified. The application provides a systematic, controllable and quantitative tool for evaluating food aspiration risk, and provides a scientific basis for the research and development of special food for special groups.

The invention belongs to the technical field of medical apparatus and instruments, and discloses a visual fishbone self-service taking-out device which comprises a self-service instrument, a grabbing structure is arranged on one side of the self-service instrument, a driving structure is arranged in the self-service instrument, and visual integrated equipment is fixedly connected to the top of the self-service instrument; the visual integrated device is provided with a cold light source interface, a camera interface and a video output interface. According to the fishbone taking-out device, through cooperation of the driving structure and the grabbing structure, automatic clamping is achieved, the manual operation difficulty is remarkably reduced, and the fishbone taking-out rate is increased. Due to the flexible bending characteristic of the corrugated hose, the corrugated hose can go deep into complex anatomical spaces such as the oral cavity, the pharyngeal cavity and the esophagus by 360 degrees. Through the synergistic effect of a linkage rope, a connecting block, a connecting rope and a torsion spring, opening and closing of a clamping rod can be accurately controlled; the linkage rope is limited and guided by the first limiting block, so that the transmission stability is ensured, stable clamping of the fishbone is realized in cooperation with subsequent parts, damage to mucous membranes is reduced, family first aid and clinical application are easier, and actual application and operation are facilitated.

The utility model discloses a bendable laryngeal mask imbedding auxiliary device which comprises a breather pipe fixing part, a breather mask fixing part and a supporting rod, the breather pipe fixing part is used for being matched with a breather pipe of a bendable laryngeal mask, and the breather mask fixing part is used for being matched with a catheter of a breather mask of the bendable laryngeal mask. The two ends of the supporting rod are connected with the ventilation pipe fixing part and the ventilation hood fixing part respectively, and the supporting rod is in an arc shape. The breather pipe fixing part and the breather hood fixing part of the bendable laryngeal mask imbedding auxiliary device can be matched with the breather pipe of the bendable laryngeal mask and the catheter of the breather hood respectively, so that the bendable laryngeal mask imbedding auxiliary device is supported on the bendable laryngeal mask. In this way, the bendable laryngeal mask can be placed into the pharyngeal cavity by holding the bendable laryngeal mask placement auxiliary device, and therefore the operation convenience of the bendable laryngeal mask is greatly improved.

The invention discloses an oropharynx ventilation device and a breath sound monitoring system, and relates to the technical field of medical instruments.The oropharynx ventilation device comprises a ventilation catheter, the ventilation catheter is made of a shape memory alloy skeleton and an elastic layer, the shape memory alloy skeleton is coated with the elastic layer, and a ventilation flow channel is formed in the ventilation catheter; the sound sensor is fixed to the ventilation catheter and used for being in communication connection with the monitoring host so as to transmit detected breathing sound information to the monitoring host. The sound sensor is fixed to the ventilation catheter, the sound sensor is used for detecting breathing sound information of a patient in real time, the sound sensor is used for being in communication connection with the monitoring host so as to transmit the detected breathing sound information to the monitoring host, the pharyngeal cavity breathing sound can be continuously collected in real time, and a blocked or abnormal breathing mode can be rapidly recognized in the early stage; in addition, the sound sensor is small in size and free of electromagnetic interference, the requirement of a disposable passive instrument is met, and the respiratory tract safety can be effectively improved.

The application relates to the technical field of medical devices, and discloses a catheter device with a function of measuring pharyngeal cavity pressure, which comprises a control console, a filling pipe is slidably arranged on the left inner wall of the control console, the left end of a plug pipe is fixedly connected to the right end face of the filling pipe, and a detection assembly is arranged in the control console. The catheter device with the function of measuring pharyngeal cavity pressure is provided with the detection assembly, the air pipe arranged between the catheter and the inner sleeve pipe is matched, the injected water is separately controlled from the opening and closing inside the balloon, the independence of the water injection in the balloon is ensured, the pressure sensor can be arranged in the balloon, the measurement accuracy is improved, the conduction range of the water in the balloon after being pressed can be limited, the measurement of the pressure sensor is more accurate, and the treatment effect and efficiency are improved.

The invention relates to a needle holder for quickly suturing a pharyngeal cavity surgical incision. The needle holder comprises a bent needle holder head, a needle holder rod and a needle holder handle, a half 20-degree arc of the tip of the head of the bent needle holder head is bent towards one side, the rear half of the head is straight, the outer side of a pincer tooth part of the needle holder head is smooth, and the inner side of the pincer tooth part is of a transverse texture anti-skid structure. The length of the needle holder rod is about 15 cm, the needle holder rod is of two sliding structures combined together, a small spherical protrusion towards the head end is arranged at the position, close to a joint, of the front portion of the needle holder rod, and a groove with the depth of 2 mm and the width of 1 mm is formed between the protrusion and the rod. The length of the upper handle is 9.5 cm, an angle of 130 degrees is formed between the upper handle and the needle holder rod, the length of the lower handle is 10 cm, an angle of 110 degrees is formed between the lower handle and the needle holder rod, the upper handle is slightly shorter than the lower handle, the upper handle and the lower handle are respectively provided with a ring, and fingers can be sleeved in the rings when the needle holder is used. The left needle holder and the right needle holder form a set, are fast in suturing, short in knotting time and capable of being repeatedly disinfected and used, and can be widely applied to fast suturing of various pharyngeal cavity operations.

The invention discloses a cigarette smoking behavior bionic device and a smoke sensing and measuring method thereof, and belongs to the technical field of cigarette measurement. A mainstream smoke channel bionic unit of the device comprises a bionic cavity; the bionic cavity channel comprises an oral cavity, a pharyngeal cavity, a trachea and a nasal cavity of a bionic human body; an oral cavity air inlet valve and a cigarette inserting pipe valve are arranged at the mouth position of the oral cavity; a nostril air check valve is arranged at the nostril position of the nasal cavity; a smoke collecting film and a temperature and pressure drop measuring unit are arranged in the bionic cavity; a gravity check valve is arranged at the pharyngeal cavity; the lung bionic unit comprises a lung capacity adjusting ball and a bionic lung; the bionic lung is communicated with the bionic cavity; the lung capacity adjusting ball is located in the bionic lung; and the bionic lung is also communicated with the smoking machine and the swallowing machine. The smoke flow field state in the real smoking process can be reproduced, the smoke deposition amount of each key part is accurately quantified, and a series of defects that when a current bionic device conducts smoking simulation, compared with the real smoking condition of a human body, obvious deviation still exists are overcome.

The utility model discloses a visual pharyngeal cavity cold and hot stimulator, which comprises a liquid injection hose, the water bag is an elastic component, and the water bag is communicated with the front end of the liquid injection hose; the endoscope assembly comprises a lighting structure, an endoscope structure and a signal transmission structure, the signal transmission structure is electrically connected with the endoscope structure, and the signal transmission structure is used for transmitting images; the illumination structure and the endoscope structure are arranged at the foremost end of the water bag. According to the visual pharyngeal cavity cold and hot stimulator, the visual function is added into treatment, the position where the water bag reaches can be clearly observed, the situation that the water bag enters the trachea by mistake is avoided, by adding the visual function, the esophageal reaction of a patient can be observed during cold and hot stimulation treatment, and medical staff can judge the disease condition of the patient conveniently.

The application discloses an intelligent aspiration monitoring method and system, and relates to the field of medical monitoring. In view of the problems of traditional aspiration monitoring, such as dependence on professional operation and single signal source, the method synchronously collects body surface biological signals, pharyngeal cavity dynamic laryngoscope videos and structured clinical data, and constructs a data set through preprocessing, double-blind labeling and integration. A semi-supervised deep learning algorithm is used to fuse multi-source features, an aspiration recognition model is constructed based on a transformer architecture, real-time recognition and sound-light early warning are realized. The system corresponds to data acquisition, processing and integration, model construction, training and prediction units. The application improves the aspiration recognition accuracy and generalization ability, can capture implicit aspiration, supports long-term dynamic monitoring, reduces medical costs and gains time for clinical intervention.

The utility model belongs to the technical field of respiratory apparatus, specifically relates to an oral cavity pasting formula breathing pipe, including the mutual connection of mouth bite device and pharyngeal cavity air duct, wherein, mouth bite device includes front end mouth, lip stop, tooth socket pipe and tooth stop, and front end mouth and lip stop are connected, and front end mouth and lip stop are connected, and lip stop is oval thin ring, and tooth stop is irregular oval ring, and lip stop and tooth stop are connected through tooth socket pipe, and tooth stop is arranged in the front end of pharyngeal cavity air duct, and front end mouth, tooth socket pipe and pharyngeal cavity air duct are all partial oval pipe body structure, and the front end surface of tooth stop, tooth socket pipe and the rear end surface of lip stop constitute tooth socket, and mouth bite device and pharyngeal cavity air duct are integrally formed.The utility model reduces even eliminates the symptom generation of lip part chapped, tongue front area mucous membrane dry and oral cavity ulcer, reduces the number of night awakening, alleviates snore frequency, improves sleep quality and daytime work efficiency, has the effective prevention of oral cavity pasting formula breathing pipe frequent drop out of the body, and can improve the comfort of wearing.

The utility model provides an auxiliary device for pharyngeal cavity examination, which comprises a trunk tube and an air tube, the trunk tube and the air tube are both made of soft materials, and the trunk tube is internally provided with an examination channel for insertion of an endoscope; the end, provided with the air bag, of the main pipe serves as a using end, the using end extends out of the air bag, and the air bag is installed on the outer surface of the main pipe in a wrapping mode and does not communicate with the main pipe. One end, far away from the air bag, of the air pipe is connected with an air pressure measurer, and the air pressure measurer can inflate / deflate the air bag and measure the pressure of the air bag. According to the pharyngeal cavity examination auxiliary device, the air bag is arranged at the using end of the main pipe so that the air bag can extend into the pharyngeal cavity of the patient, the air bag is connected to the external air pressure measurer capable of inflating and deflating the air bag and measuring the pressure, and the examination channel allowing an endoscope to pass through is formed in the main pipe. And the accurate measurement of the pharyngeal cavity pressure is ensured, the subsequent operations such as pharyngeal cavity examination and treatment can be simplified, and the practicability is high.

The invention discloses a resonance regulation and control prompting method based on oral cavity-pharyngeal cavity-laryngeal cavity postures. Three-dimensional imaging data and audio signals in the sound production process are synchronously collected through a three-dimensional imaging device and a sound collection device, various attitude parameters are extracted, and a first formant frequency, a second formant frequency and a third formant frequency of formants are extracted. Calculating observable credibility of each attitude parameter, performing gating, and performing consistency verification on the throat height by adopting two mutually independent measurement channels; and when the credibility is insufficient or the verification is not passed, stopping outputting a corresponding quantitative prompt and outputting a degradation prompt. The system inputs a gated attitude parameter subset and formant characteristics into an attitude-resonance mapping model to output an adjustment amount, applies time smoothing and rate constraint to prompt to stabilize output, and performs closed-loop convergence judgment based on deviation measurement, thereby realizing multi-style adaptive repeatable resonance training, and improving prompt stability and training consistency.

Drilling template (1) for carrying out an implant drilling for a dental implant, with a through-hole (2) and at least one breakthrough (3, 3'), wherein the drilling template (1) is designed to rest against or be attached to a jaw, palate and / or one or more teeth and is at least partially adapted to the geometry of the jaw, palate and / or one or more teeth, wherein the drilling template (1) has an inner wall (1a) oriented towards the oral cavity and an outer wall (1b) oriented towards the cheek and outwards in the tooth area, wherein the through-opening (2) is designed to guide a drill, in particular a dental implant drill, and / or to insert a guide sleeve for a drill, wherein a reinforcement area (2a) is formed around the through-opening (2), and wherein at least one opening (3, 3') is designed for the passage of a fluid, the drilling template (1) has at least one fluid-carrying element (4, 8), characterized in that a cavity (5) is formed below the reinforcement area (2a) by the inner wall (1a) and the outer wall (1b), which has a fluidically effective connection to the at least one opening (3, 3'), wherein the inner wall (1a) and the outer wall (1b) enclose the cavity (5), wherein the inner and outer walls (1a; 1b) enclosing the cavity (5) are formed to form the cavity (5) open towards the gingiva up to a gingival surface and seal the cavity (5) with end faces of the inner and outer walls (1a; 1b) forming the cavity (5) against the pharyngeal space.

The utility model provides a pharyngeal cavity oxygen supply device which comprises an oxygen supply tube and a seam, a limiting fixing groove is formed in a pharyngeal cavity cannula channel, the limiting fixing groove is tangent to the pharyngeal cavity cannula channel and is arranged close to one side of an endoscope cannula channel, the limiting fixing groove is provided with a C-shaped opening, and the C-shaped opening is matched with the oxygen supply tube; a connector is arranged at one end of the oxygen supply pipe, an oxygen outlet hole is formed in the other end of the oxygen supply pipe, and a protruding point is arranged on the oxygen supply pipe and is in tight fit with the inner wall of the limiting fixing groove. The oxygen supply tube is fixed in the pharyngeal cavity intubation channel through the limiting fixing groove formed in the pharyngeal cavity intubation channel, the possible influence on the oxygen supply tube during endoscope operation is reduced, the flexible protection layer is arranged near the mouth ring, damage of the mouth ring to the mouth and lips of a patient is reduced, and the experience of a detected person is improved.

The utility model discloses an oral cavity anesthesia postoperative aspiration prevention device, which relates to the field of postoperative aspiration prevention and comprises an expansion component, an aspiration component is mounted in the expansion component, a tongue pressing component is mounted on one side of the expansion component, and two symmetrically arranged fixing components are mounted on one side of the expansion component. An inflation assembly is mounted on one side of the expansion assembly; the suction assembly comprises a filter box fixedly installed in the expansion assembly. The plurality of filter plates are fixedly mounted on the inner wall of the filter box in a linear array shape; according to the device for preventing aspiration after oral anesthesia, the oral cavity and the pharyngeal cavity are isolated through the expansion assembly, blood and bone residues are prevented from being aspirated by a patient by mistake, the blood and the bone residues are extracted through the extraction assembly, the bone residues are filtered through the filter box, the bone residues are prevented from blocking and scratching the extraction pipe, the tongue of the patient is fixed through the tongue pressing assembly, and the patient can be prevented from aspirating by mistake. And the tongue is prevented from being uncontrolled after general anesthesia to interfere with an operation.

A swallowing action demonstration model is characterized in that a model body is of a simulated anatomical structure of a median sagittal plane corresponding to a swallowing part of a human body, an oral cavity and a throat cavity which are communicated with each other are arranged in the model body, a lower port of the throat cavity is communicated with an airway and an esophagus respectively, and a movable seat is arranged on the front wall side of the throat cavity; a pharyngeal part is formed at the lower end of the movable seat, the movable seat is located at a limiting position for limiting the food simulation ball in the oral cavity to move into the throat cavity or at an avoiding position for allowing the food simulation ball to enter the throat cavity from the oral cavity, and when the movable seat is located at the limiting position, the pharyngeal part is separated from the inlet of the airway; and when the movable seat is in the avoiding position, the pharynx of the movable seat covers the inlet of the air passage. By controlling the position change of the movable seat, the pharyngeal part at the lower end of the movable seat is separated from or covers the inlet of the airway along with the movement of the movable seat, so that the change of the pharyngeal part when food moves towards the opening of the airway in the swallowing action process is visually displayed, and the model is simple in overall structure and very convenient to operate.

The utility model discloses a front section radian self-adaptive adjusting type oropharyngeal airway which comprises an oropharyngeal airway body, a groove is formed in the side, attached to the upper jaw, of the oropharyngeal airway body, the oropharyngeal airway body is of a hollow arc-shaped structure, and the oropharyngeal airway body is divided into three parts through the groove. Comprising a first air duct, a second air duct and a bending part connecting the first air duct and the second air duct, and the first air duct and the second air duct are bent through the bending part. The groove can reduce friction force to the pharyngeal cavity in the process of placing the oropharyngeal airway, so that damage to the pharyngeal cavity is reduced, placing is smoother, and due to the fact that the groove is formed in the oropharyngeal airway body, the oropharyngeal airway can adapt to different lengths and different physiological radians of the palate and can be lifted upwards towards the tongue side by itself, so that the oropharyngeal airway is more comfortable to use. Due to downward pressing of the gravity of the tongue body, the position of the oropharyngeal airway is more stable, and the oropharyngeal airway is not prone to moving.

The invention relates to the technical field of sleep intervention, in particular to an intelligent sleep instrument and a sleep instrument control method, and a system comprises a sudden respiration change recognition module, a slow wave start linkage module, a pharyngeal cavity contraction evaluation module, an intervention section positioning module and a delay trigger control module. According to the method, extreme points densely appearing in a continuous period are accurately positioned as key nodes of abnormal respiration through sudden change recognition of nasal cavity respiratory flow, and meanwhile, a slow wave initial stage closely related to sudden change of respiration is screened out and calibrated as a linkage time period by combining a power curve change trend of electroencephalogram signals; the state of the pharyngeal cavity is dynamically evaluated through the change of acoustic reverberation in the current period, intelligent delay and delay processing of the intervention behavior are achieved by comparing the triggering time point of the intervention action with the boundary of the platform section, the accuracy of sleep intervention timeliness and the adaptability of intervention execution are improved, and the breathing event control effect and sleep continuity are remarkably improved.

An endoscopic bite block comprises a base, an elongated guide, and an oxygen inflow tube. The base includes a body and a central passageway extending through the body. The central passageway is configured to receive an endoscope. The elongated guide includes a longitudinal curvature corresponding in shape to an oral-pharyngeal cavity of a patient. The elongated guide extends from the base and toward a retropharyngeal space of the patient. The elongated guide includes a lateral curvature for guiding the endoscope along the longitudinal curvature of the elongated guide. The oxygen inflow tube is configured to receive oxygen gas from an oxygen source. The oxygen inflow tube extends from the base along the elongated guide such that the oxygen inflow tube is configured to deliver the received oxygen gas to the retropharyngeal space of the patient.

The invention discloses a mistaken-suction-preventing feeding auxiliary device for a patient with dysphagia. The mistaken-suction-preventing feeding auxiliary device comprises a food storage box and a feeding device. The food storage box is provided with a containing cavity used for containing dysphagia food. The feeding device comprises a metering cylinder, a piston and a feeding pipe, the metering cylinder is provided with a temporary storage cavity, and the metering cylinder is connected with the food storage box through a feeding pipe; the piston is movably sleeved in the metering cylinder; one end of the feeding pipe is connected with the metering cylinder, and a food outlet is formed in the other end of the feeding pipe. The metering cylinder is matched with the piston, so that the volume of food entering the temporary storage cavity each time can be quantified, and it is ensured that each fed food ball has the stable and consistent volume. When the piston moves forwards, the speed of extruding food can be controlled by adjusting the moving speed of the piston, so that food balls enter the feeding pipe at a slow and uniform flow speed, and the phenomenon that the food balls directly flow into the pharyngeal cavity due to too fast delivery is prevented. The feeding pipe enables the food balls to cross a sensitive area in the front middle of the oral cavity and a complex pushing process and directly reach a starting area of swallowing reflex.