13 results about "Pharyngeal cavity" patented technology

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.

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 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 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.

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.