259 results about "Throat" 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 invention discloses a bionic TENG sensor unit for an artificial throat and a preparation method thereof, and relates to the field of artificial throats, and the sensor unit comprises a gradient micro-dome friction layer, a strain amplification layer, an electrode layer and a back cavity substrate layer. The gradient micro-dome array realizes gradual contact through gradient change of height and diameter; the strain amplification layer converts vertical vibration into horizontal strain by using a cantilever beam-sliding block structure; the back cavity array selectively amplifies vibration at a specific frequency based on the Helmholtz resonance principle. The invention further provides a corresponding preparation method. The preparation method comprises the steps of back cavity forming, electrode deposition, microstructure manufacturing, surface treatment and the like. The sensor has the advantages of high sensitivity, good frequency selectivity and strong durability, and is particularly suitable for detecting weak laryngeal vibration signals of laryngeal patients.

The invention provides a multi-mode ear-nose-throat patient rehabilitation scheme optimization method and system, and the method comprises the steps: S1, obtaining the ear-nose-throat pathology data of a patient, carrying out the preprocessing operation of the ear-nose-throat pathology data, carrying out the fusion, generating a rehabilitation feature tensor, comprehensively integrating the physiological signals, image features and clinical text data of the patient, and carrying out the recognition of the rehabilitation feature tensor; the limitation of a single data type is broken through, iterative optimization is carried out through the rehabilitation prediction model constructed in the steps S2 and S3 in combination with an improved genetic algorithm, the rehabilitation effect is accurately predicted, training parameters are dynamically adjusted, the accuracy and effectiveness of rehabilitation treatment are improved, finally, quantitative evaluation indexes and evaluation are combined through the step S4, and the rehabilitation treatment accuracy and effectiveness are improved. And the scientificity of the scheme is judged according to a mean threshold value, so that the fitness, implementation safety and expected effect reasonability of the scheme are guaranteed, the treatment risk is reduced, and a safer and more efficient auxiliary rehabilitation scheme is provided for the patient.

The invention provides an intelligent stomach tube based on optical fiber sensing and image monitoring, and the stomach tube comprises a stomach tube body which is internally integrated with an optical fiber and a miniature camera assembly; at least three FBG (Fiber Bragg Grating) sensing nodes which are respectively positioned in the stomach, the esophagus and the throat section are inscribed on the optical fiber and are used for acquiring pressure and temperature signals; the miniature camera assembly is arranged on the inner wall of the throat section and used for collecting images. A demodulation-edge AI processing terminal is arranged outside the body, connected with the sensing nodes and the camera shooting assembly and used for demodulating signals and conducting multi-mode fusion analysis on the basis of pressure signals and image data, real-time judgment of the situation that the catheter enters the airway by mistake, intelligent evaluation of the risk of aspiration before catheter drawing and early warning output when the risk exceeds the standard are achieved. According to the invention, the FBG sensing node and the miniature camera shooting assembly are integrated in the stomach tube, and the in-vitro demodulation-edge AI processing terminal is combined, so that precise and automatic monitoring and early warning of the whole process from tube indwelling to tube drawing evaluation are realized, and the safety and the medical quality of a patient are fundamentally improved.

The invention relates to the field of medical electronics and rehabilitation engineering, and discloses a throat electromyographic signal synchronous swallowing action monitoring and aspiration early-warning device which comprises a shell, a display screen is fixedly connected to the top of the shell, a connecting end is arranged outside the shell, one end of a connecting wire is arranged in the middle of the connecting end, and the other end of the connecting wire is connected with the display screen. A signal collecting assembly is arranged outside the connecting line at the other end, the collecting assembly is electrically connected with a signal processing assembly and used for receiving collected throat electromyographic signals, analyzing the signals and outputting the signals, and the signal processing assembly comprises a main control circuit board. According to the invention, through the multi-source signal synchronization module, a mechanical acceleration peak value of laryngeal knot movement is captured by using an inertial sensor to serve as a hard time reference point, and a time window is constructed to segment and align throat electromyographic signals, so that the time resolution and the analysis accuracy of swallowing action feature extraction are improved.

The invention provides a recessive gastroesophageal reflux event data analysis system and method based on dynamic changes of abdominal pressure. The system and method are suitable for noninvasive detection of atypical reflux clinically. The system comprises an abdominal pressure dynamic detection unit, a throat vibration detection unit, a multi-mode signal processing module, a reflux event judgment module and a data output module. According to the system, by analyzing time sequence linkage between abdominal pressure mutation and throat vibration, a stomach content countercurrent event is recognized, silent type countercurrent characteristic sound is captured with the assistance of a bone conduction sound wave channel, and multi-path redundancy recognition is achieved. The method is suitable for postoperative patients, children, old people and other people who cannot complain, has the technical advantages of continuous wearing, behavior correlation analysis and clinical verifiability, and significantly improves the recognition rate and diagnosis accuracy of recessive gastroesophageal reflux events.

The invention discloses an intelligent classification and recognition method for ear-nose-throat lesion images, and relates to the technical field of image recognition, and the method comprises the steps: synchronously collecting a nasopharynx white light image and an i-Scan image, screening an image meeting a quality standard, carrying out the correlation of pathology and grading labeling, and constructing a data set containing a multi-center case; the white light image and the i-Scan image are subjected to denoising processing, key mark points are extracted, image registration is completed, a mucous membrane surface area, a submucous membrane blood vessel area and a lymphatic tissue enrichment area are divided through semantic segmentation, and feature enhancement is carried out on different areas; extracting morphological features and textural features from the enhanced image, calculating feature importance weights and fusing the feature importance weights into low-dimensional feature vectors; the benign and malignant dichotomy model and the pathological type multi-classification model are respectively constructed, and classification results are output in combination with a doctor diagnosis rule base and verification indexes, so that the accuracy and clinical practicability of ear-nose-throat lesion diagnosis are remarkably improved.

The invention belongs to the technical field of microcosmic interface dynamic research, and relates to a method and system for predicting the imbibition behavior of a microcosmic two-phase interface of a porous medium, and the method comprises the steps: obtaining a pore network composed of pores and throats according to a target porous medium; calculating the flow of the two-phase fluid injected into the throat; according to the flow of the two-phase fluid injected into the throat, the flow of the fluid in the main interface displacement mode and the flow of the fluid in the wetting mode displacement mode are calculated; determining the displacement mode of the two-phase fluid interface according to the fluid flow ratio under the two displacement modes; according to the displacement mode of the two-phase fluid interface, the flow resistance corresponding to the throat is calculated; according to the flow resistance, a motion control equation of the two-phase fluid is updated, and therefore prediction of the imbibition behavior of the micro two-phase interface of the porous medium is completed. According to the method, the preferential flow paths and the dynamic evolution modes of different types of interfaces in the displacement process in the pore structure of the complex porous medium are defined, and the types of the fluid interfaces are accurately judged under the transient condition.

The invention discloses a throat mucosa intelligent state evaluation and inflammation early warning management system and method. The method comprises the following steps: synchronously acquiring a throat mucosa image, breath sound / cough sound / sounding signals, airflow data and body temperature or environment relative humidity data, evaluating image definition, shielding degree and coverage rate, and outputting acquisition guide superposition information and triggering re-acquisition when the image does not reach the standard; reliability is calculated for the multi-modal features, weight fusion output state vectors and confidence coefficients are determined in combination with quality gating, and cross-modal consistency verification is executed to trigger re-sampling or strategy adjustment; generating a risk index based on the change of the sliding time window, and outputting an early warning level by adopting hysteretic classification; and writing the threshold, the weight and the sampling and guiding strategy into a parameter library and a fusion model configuration area to form a closed loop. According to the system, improper electroencephalogram fusion and multi-terminal collaborative optimization can be selected, and daily scene evaluation stability and early warning reliability are improved.

The invention relates to the technical field of medical data monitoring and early warning, in particular to a dynamic monitoring and early warning system for abnormal function of Eustachian tube. The system is characterized in that a data acquisition module acquires time sequence data of various eustachian tube state parameters such as tympanic chamber vibration, pharyngeal vibration and tympanic chamber air pressure, when a human body is yawn or swallowed, the eustachian tube is opened, the larger the opening is, the stronger the vibration of the tympanic membrane and the pharyngeal is, and the transmission decibel to an external auditory canal is increased, so that a eustachian tube opening section positioning module analyzes the characteristics to determine the auditory canal opening section; the opening amplitude of the Eustachian tube is accurately obtained, and an opening section is accurately cut out; after the Eustachian tube is opened, the air pressure in the tympanic chamber approaches and tends to the external auditory canal air pressure, the health index analysis module divides an approaching section and a leveling section in an opening section based on the air pressure change consistency, analyzes the air pressure change correlation by fusing multi-aspect information, and obtains health indexes by combining section length difference and air pressure difference characteristics; and finally, monitoring and early warning are performed on the Eustachian tube of the monitored object based on the health indexes in a monitoring and early warning module.

The invention belongs to the technical field of oil and gas field development engineering, and particularly relates to a construction method of an emulsion generation kinetic model. The method is based on a micro-fluidic experiment, comprehensively considers seven factors of pore throat radius, pore throat form, pore throat coordination number, displacement environment temperature, surfactant concentration, injection speed and crude oil viscosity, and determines an undetermined coefficient of a function by utilizing a least square method through single factor analysis and orthogonal experiment scheme design; therefore, the functional relationship among the pore throat radius, the pore throat form, the pore throat coordination number, the displacement environment temperature, the surfactant concentration, the injection speed, the crude oil viscosity and the emulsion generation rate and the generation radius is defined, and an emulsion generation kinetic model is constructed, so that an emulsion generation theoretical system under the multi-factor coupling effect is perfected; and reference is provided for other similar chemical flooding.

The invention belongs to the field of medical instruments, and provides an otolaryngological patient nose medicine applying nursing device which comprises a nasal tube, a medicine inlet is formed in one side of the nasal tube, a sealing plug is in threaded connection with the side wall of the medicine inlet, a medicine outlet is formed in the other end of the nasal tube, an adjusting tube is fixedly installed at the upper end of the nasal tube, and an adjusting piece is arranged on the upper side of the adjusting tube. An upper cavity and a lower cavity are formed in the nasal tube, the upper cavity is communicated with the medicine inlet, the lower cavity is communicated with the medicine outlet, a through hole is formed between the upper cavity and the lower cavity, a partition plate is arranged on the lower side of the through hole in a sliding mode, and a plurality of evenly-distributed sliding columns are fixedly installed on the lower surface of the lower cavity; by arranging a mechanical linkage mechanism composed of the upper cavity, the lower cavity, the through hole, the partition plate with the reset spring and the extrusion block driven by the adjusting piece, quantitative and controllable conveying of liquid medicine is achieved, when the adjusting piece is operated, a user can indirectly control medicine feeding in an operation mode such as rotation, and operation is more labor-saving and accurate.

The application provides a guide and breathing system for a bronchofibroscope, which comprises a cover body used for covering a throat and forming a closed cover cavity communicating with a trachea in use, and a pipeline structure fixedly connected with the cover body and comprising an endoscope pipeline and a ventilation pipeline which are independent of each other and communicate with the cover cavity, and a drainage pipeline arranged to pass through the inside of the cover body but not communicate with the cover cavity, so as to communicate with an esophagus through a drainage outlet on the cover body in use. When the guide and breathing system is used, the reflux of secretions of a patient during an endoscope operation can be disposed through the independent drainage pipeline, and the bronchofibroscope only occupies part of the space in the laryngeal mask channel in the case of the endoscope operation, so that the patient can inhale sufficient oxygen, and the safety of the patient during the operation of the bronchofibroscope is ensured.

The utility model relates to the technical field of medical instruments, and discloses an oxygen inhalation tube fixing mechanism for trachea surgery, which comprises a main body component, a fixing component and a fixing component, the main body component comprises a throat inlet tube and an oxygen supply tube, the oxygen supply tube is arranged at one end of the throat inlet tube, one end of the throat inlet tube is inserted into the trachea of a patient, and the other end of the oxygen supply tube is connected with oxygen supply equipment; the device is arranged on one side of the throat inlet pipe and comprises a clamping piece, the clamping piece comprises a cross-under ring, and two attaching blades are fixed to one side of the cross-under ring. By arranging the fixing assembly and using clamping and threaded connection modes, pressure cannot be caused to a laryngeal fistulization opening of a patient, unnecessary damage to the neck of the patient due to pressing and inserting errors between the throat inlet pipe and the oxygen supply pipe is avoided, and pain and discomfort of the patient are relieved.

The utility model provides a multifunctional tuning fork device for ear-nose-throat head and neck surgery, and relates to the technical field of medical instruments, the multifunctional tuning fork device mainly comprises a tuning fork, a connecting rod assembly and a hammer, the tuning fork is Y-shaped, the connecting rod assembly is fixedly arranged at the non-bifurcated end, the hammer is arranged at the tail end of the connecting rod assembly, and the connecting rod assembly is connected with the hammer. The connecting rod assembly comprises a connecting rod, a first handle and a second handle which are arranged in sequence, one end of the connecting rod is fixedly connected with the tuning fork, the opposite end of the connecting rod is detachably connected with one end of the first handle, the opposite end of the first handle is detachably connected with one end of the second handle, and a sound hammer is fixedly arranged at the opposite end of the second handle; according to the tuning fork device, when the tuning fork device is not used, the second handle and the first handle are connected together, so that forgetting to carry the tuning fork can be prevented, when the tuning fork device is used, the second handle and the first handle are detached, the tuning fork and the hammer are used in an impact mode, and a doctor can use the tuning fork device conveniently.

A wellness management application enables automated diagnosis of a throat infection based on a throat image. A captured image is segmented into a plurality of image segments corresponding to different anatomical structures. A set of machine learning models are applied to the respective image segments to generate respective prediction scores indicative of likelihood of infection. Each of the set of machine learning models are independently trained based on labeled images of the corresponding anatomical structure. The results of the respective models may be aggregated to generate an aggregate prediction. Furthermore, various visual representations may be generated that illustrate respective contributions of different regions of the image to the prediction. The wellness management application may be integrated with a telehealth system to facilitate diagnosis and treatment of infections.

1. The name of this design product: ENT examination and treatment table (1). 2. Purpose of this design product: Used for examination and treatment of ears, nose and throat. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a medicine spraying device for ear-nose-throat, which comprises a handle part, a positioning blocking component and a jet-propelled medicine applying component, the positioning blocking component is arranged at the front end of the handle part, and the jet-propelled medicine applying component is arranged in the middle of the handle part. The positioning blocking assembly comprises a front-end catheter, a cross-shaped positioning frame, a hard guide wire, a self-adaptive telescopic assembly, a telescopic control assembly and a reset assembly, the front end of the handle part is fixedly connected with the front-end catheter, the front-end catheter is communicated with the handle part, and the cross-shaped positioning frame is fixedly connected to the middle of the end, away from the handle part, of the front-end catheter. According to the medicine spraying device for the ear-nose-throat, the positioning blocking assembly is arranged, after the traction ring is separated from the surface of the elastic piece, the elastic piece is automatically unfolded and matched with the telescopic soft film to be unfolded according to the shape of the interior of the ear, the interior of the ear can be isolated from the exterior, and at the moment, medicine does not enter the inner ear when applied to the interior of the ear; therefore, the convenience of medicine application is improved.

The invention provides a separable epiglottis traction device for hard laryngoscopy, and relates to the technical field of medical instruments. The separable epiglottis traction device for hard laryngoscopy comprises a handle, a programmable control displayer is arranged on the upper end face of the handle, a connecting piece is fixedly connected to the lower end of the handle, a connecting base is arranged at the lower end of the connecting piece, and a connecting bent pipe is fixedly connected to the lower end face of the connecting base. The end, away from the connecting base, of the connecting bent pipe is fixedly connected with a throat-entering bent pipe, a traction structure is arranged in the throat-entering bent pipe and comprises an arc-shaped clamping plate, and a groove is formed in the end, away from the connecting base, of the arc-shaped clamping plate. A second micro gear motor drives a driving rod to rotate, the driving rod drives an arc-shaped clamping block to rotate, so that the arc-shaped clamping block and the front end of an arc-shaped clamping plate are unfolded, then the second micro gear motor is controlled to be started in the reverse direction to clamp and support the epiglottis, and the epiglottis is conveniently clamped and pulled.

Described herein are devices, systems, and methods for applying a tension force to various tissues. The devices may be delivered in a minimally invasive fashion and used to manipulate tissues in the nose, car, and throat. Force may be maintained by the devices for a time period that allows shaping, compression, or approximation of tissues.

1. The name of the design product: tracheal tube fixing dressing. 2. The use of the design product: the design product is used to fix the tracheal tube on the throat. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses a child emergency treatment respiratory tract foreign matter rapid removing device, relates to the technical field of respiratory tract foreign matter removing, and aims to solve the technical problem that existing negative pressure suction equipment is too large in negative pressure and prone to directly adsorbing laryngeal mucosa to cause injury. Comprising a hose adaptively communicated with the input end of a negative pressure suction tube, a leakage connector, an annular groove, a removing mechanism, a collecting assembly and an angle adjusting assembly. By means of meshing or non-meshing switching of the transmission rod and the conveying cylinder, the two working states of lower cone rotating collection and upper cone sealing extraction of the guide sealing module can be flexibly adjusted and controlled, in the non-meshing state, the guide sealing module is in a lower cone shape and rotates with a gap reserved, throat mucus can be actively drawn in, and hard extrusion to the delicate throat is avoided; during meshing, the module moves upwards to be in a sealed upper cone shape, negative pressure extraction and spiral groove path optimization are matched, discomfort of the throat of a child caused by too high local negative pressure is prevented, high-viscosity mucus fracture can be avoided, and it is guaranteed that mucus is rapidly and thoroughly discharged.

Throat specimen collection devices and methods of using the same are provided. In certain embodiments, a throat specimen collection device includes i) a tongue depressor configured to restrain a subject's tongue, and ii) a collection container including an elongate member and a collection member, where the elongate member is positioned to depress the subject's tongue when the tongue depressor is positioned to depress the subject's tongue and the collection container is in a collection position. The acquisition component touches a subject's throat and acquires a throat specimen from the subject. Also provided is a method of collecting a throat specimen, the method comprising applying the throat specimen collection device to a mouth of a subject and collecting the throat specimen.

1. The name of the design product: laryngoscope. 2. The use of the design product: for insertion into the throat of a patient, mainly for examination and treatment of lesions in the throat. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application provides a method and system for determining the permeability of a tight sandstone reservoir. The method comprises: obtaining the porosity and pore throat radius distribution spectrum of the target reservoir; dividing the pore throat radius distribution spectrum of the target reservoir into two parts, i.e., a large-aperture part and a small-aperture part; determining the ratio of the cumulative amplitude of the pore throat radius distribution of the large-aperture part to the cumulative amplitude of the pore throat radius distribution of the small-aperture part based on the pore throat radius distribution spectrum of the large-aperture part and the small-aperture part of the target reservoir; and determining the permeability of the target reservoir based on the ratio and the porosity of the target reservoir. The method can accurately determine the permeability of a reservoir in a tight sandstone reservoir with strong heterogeneity.

The invention belongs to the technical field of medical materials, and provides a nasogastric tube based on synergistic resistance reduction and lubrication of a micro-nano texture and antibacterial hydrogel, and the nasogastric tube comprises an anti-friction resistance-reducing surface with a micro-nano structure and a hydrophilic antibacterial hydrogel coating. A traditional nasogastric tube is mostly made of polymer materials such as polydimethylsiloxane, the hydrophobic surface of the traditional nasogastric tube is prone to generating large insertion resistance in the intubation process, and discomfort and pain of nasopharynx and esophagus and even inflammation infection are brought to a patient. The resistance in the insertion process is remarkably reduced by combining the hydrophilic hydrogel pattern layer, so that the wettability is enhanced, the smoothness during insertion and extraction is improved, and the mechanical stimulation to the nasal cavity and throat tissues is reduced. The hydrophilic antibacterial hydrogel coating is coated on the surface of the nasogastric tube, so that the structural design not only improves the comfort of a patient in the use process, but also endows the tube body with certain antifouling and antibacterial properties, and reduces the risk of occurrence of discomfort related to bacterial infection and friction.

A wear member includes a first leg, a second leg, and a throat portion connecting the first leg to the second leg. The first leg defines a first leg thickness, and the throat portion defines a throat portion thickness disposed adjacent to the first leg thickness. A ratio of the throat portion thickness to the first leg thickness ranges from 1.1 to 1.2.

The invention relates to a ventilation device for gastroscopy in an anesthesia state, belongs to the technical field of medical instruments, and solves the problems that in the prior art, a gastroscope access channel and an oxygen supply channel are parallel, the occupied space of the oropharynx is large, placement is inconvenient, oxygen supply cannot be effectively guaranteed, and oral cavity tissue is prone to being damaged. The device comprises a protection tube unit and a ventilation catheter, wherein the ventilation catheter is arranged on the protection tube unit; the protective tube unit is used for being connected to the outer wall of a gastroscope in a sleeving mode during gastroscopy, and the outer wall of the gastroscope is prevented from rubbing the throat of a patient. High-flow oxygen is input into the respiratory tract of a patient through the gap between the protective tube unit and the gastroscope, so that the patient can keep effective breathing. According to the ventilation device, an existing gastroscope access channel and an existing oxygen supply channel which are arranged side by side are improved into the mode that only one pipe is used for effective ventilation, the gastroscope body of the gastroscope and the throat of a patient can be isolated at the same time, the occupied space of the oropharynx is small, implantation is convenient, and tissue damage is reduced.

The present invention discloses a portable first aid device for accidental aspiration and suffocation, comprising a suction cup that can penetrate deep into the throat, a straw, and a negative pressure device arranged at the bottom of the straw, wherein the suction cup, the straw, and the negative pressure device are arranged in a through-connected manner; the suction cup is a hollow structure, wherein a foreign matter suction channel is provided through the middle thereof, a mounting ring is provided at the end of the suction cup away from the straw, and a light source component and a camera component are provided on the surface of the end of the mounting ring away from the straw; the straw is made of a bendable material, and an anti-reflux component is provided at the end thereof connected to the negative pressure device; the present invention can extend into the patient's throat through the long strip of straw, and can be aimed at the throat through the suction cup at the front end, and then the foreign matter in the throat can be clearly known through the light source component and the camera component arranged at the front end, and then the foreign matter in the throat can be sucked out by pulling the piston component of the negative pressure tube. The present invention has high safety, few adverse reactions, is applicable to a wider range of people, is more practical, and is simpler to operate, and can save the lives of more children, the elderly, and other people who need care.

The utility model provides an anti-falling laryngeal mask which comprises a mask body, a connector is fixedly connected to the outer portion of the mask body, and a throat pipe is rotationally connected to the outer portion of the connector. And the limiting assembly comprises two threaded sleeves, and the two threaded sleeves are both fixedly connected to the outer portion of the cover body. The utility model relates to an anti-falling laryngeal mask which is characterized in that a mask body is firstly placed at a proper position of the neck of a user, then a thread head is rotated to enable a thread of the mask body to be clamped in a thread bushing, so that a whole ring tube can be sleeved on the neck of the user, the mask body is stably limited, and in the limiting process, the anti-falling laryngeal mask is not prone to falling off. External air can enter the annular pipe through the connecting pipe by pressing the pressurizing bag, and finally the expansion ring is expanded, so that the mask body can be better attached to the neck when the mask body is limited when the mask body is used by people with different physiques.