117 results about "Partial larynx" patented technology

The invention discloses a vocal cord problem recognition and feedback system for the ophthalmology and otorhinolaryngology department. The vocal cord problem recognition and feedback system comprises a sound collection module, an image collection module, a biological feedback module, a data processing module, an AI diagnosis module and a rehabilitation guidance module. The sound acquisition module comprises a microphone array and a self-adaptive noise reduction unit; the image acquisition module is provided with an endoscope camera and an image enhancement processor; the biological feedback module integrates a laryngeal myoelectricity sensor and a three-dimensional motion simulator; the data processing module executes multi-modal feature extraction and fusion; through mutual cooperation of the sound acquisition module, the image acquisition module, the biological feedback module and the data processing module, data can be accurately acquired, the early canceration detection rate is improved and the misdiagnosis rate is reduced through multi-modal fusion, the data acquired by the multi-modal structure is analyzed through the data processing module, the model is combined with a weekly updated disease map, and the early canceration detection rate is improved. And the recurrence prediction accuracy is improved.

The invention belongs to the technical field of medical treatment, and discloses a laryngeal membrane implantation system combined with a central vein puncture device, which comprises a self-retaining laryngoscope, a hollow puncture needle, a catheter sleeved on the puncture needle, a skin expander, a metal guide wire, a central vein catheter, a non-absorbable suture and a laryngeal membrane. The puncture needle penetrates into the laryngeal cavity, and the catheter is retained. And guiding by using a metal guide wire, expanding the skin by using a skin expander, and smoothly placing into the central venous catheter. The central venous catheter is pulled out of the self-retaining laryngoscope, and the non-absorbable suture is reversely arranged along the tip of the catheter, so that the suture smoothly penetrates out of the larynx from the inside of the larynx to the outside of the larynx, the laryngeal membrane is firmly fixed on the larynx, and further adhesion of vocal cords is avoided. Components required by the invention are simple and easy to obtain. Compared with a traditional method, the method is simple and easy to operate, saves operation time and is easy to popularize nationwide.

The invention relates to the technical field of medical instruments, in particular to emergency clinical emetic equipment which comprises a support, an emetic part arranged on the support and expansion parts symmetrically arranged on the two sides of the emetic part. The retreating assembly is used for driving the support to move so that the expansion pieces and the emetic piece can retreat from the oral cavity of the patient, the support is provided with a first reset piece capable of enabling the emetic piece to be away from the throat and a second reset piece capable of enabling the two expansion pieces to be closed, and the guide rail is provided with a control switch. The vomiting promoting driver drives the vomiting promoting piece to vibrate in the throat of the patient, the vomiting promoting process of the patient is achieved, and when the patient feels strong nausea and is about to have vomiting reaction, the control switch is pressed down in advance; and the emesis promoting piece and the expanding piece quickly restore to original positions under the action of the first resetting piece and the second resetting piece and move out of the oral cavity of the patient through the support, so that the vomiting process is smooth, and the risk that vomit blocks or is inhaled into the airway by mistake is avoided.

An endoscopic medical imaging analysis and manipulation method including: capturing endoscopic images of laryngeal, pharyngeal and / or surrounding tissue structures during examination of the larynx, pharynx and / or surrounding tissue using an endoscope, feeding the captured endoscopic images to first and second instances of artificial intelligences, the first instance of artificial intelligence having been trained to identify suspicious areas of laryngeal, pharyngeal and / or surrounding tissue structures showing signs of alterations from healthy laryngeal, pharyngeal and / or surrounding tissue and the second instance of artificial intelligence having been trained to detect and classify abnormalities in the mucosal layer or the tissue of the larynx, pharynx and / or surrounding tissue, overlaying the captured endoscopic images with one or more markings indicating an area or areas indicated by the first instance of artificial intelligence as suspicious, and displaying the overlaid captured endoscopic images on a monitor, together with information provided by the second instance of artificial intelligence.

The present application relates to the technical field of health monitoring, in particular to a kind of infant asphyxia risk autonomous monitoring method and system based on laryngeal respiratory sound, comprising: utilize high sensitivity MEMS microphone to collect the airflow and respiratory sound signal of infant larynx, and utilize micro accelerometer to monitor the thoracic movement data of infant synchronously;The airflow and respiratory sound signal are denoising, and the denoising respiratory sound signal is obtained;The denoising respiratory sound signal is separated according to respiratory event Signal, and is enhanced and combined into respiratory sound data set;Respiratory sound feature is extracted in respiratory sound data set, and asphyxia anomaly classification model is constructed based on respiratory sound feature by machine learning model, and dynamic baseline model that adapts individual respiratory difference is established according to respiratory sound feature.The present application utilizes the hardware device of high sensitivity MEMS microphone and micro accelerometer and artificial intelligence model to combine, realizes the use of laryngeal respiratory sound signal in home environment and autonomously completes infant asphyxia risk identification and early warning.

The invention relates to the technical field of medical instrument manufacturing, and discloses a method for instantly forming an individualized child tracheal catheter through a 3D printing technology. The method comprises the following steps: acquiring CT (Computed Tomography) or MRI (Magnetic Resonance Imaging) body layer image data of neck and chest areas of a target child patient, wherein the data is used for reflecting anatomical structures of a throat and a trachea; importing the image data into three-dimensional reconstruction software, executing structure identification and segmentation operation, and constructing a three-dimensional model of the throat and trachea of the child patient; performing parameter modeling according to the model, and designing an individualized tracheal catheter model which is fit with the inner diameter of a target airway and is matched with the target airway in length and curvature; the model is converted into a printing data file matched with 3D printing equipment; and a biocompatible 3D printing device is called, the catheter model is printed through a medical implant material, and the solid catheter meeting the size requirement is obtained. The pediatric intubation system improves the matching degree and safety of pediatric intubation, and has good clinical practical value.

An endoscopic medical imaging analysis and manipulation method comprising: Capturing endoscopic images of laryngeal or pharyngeal tissue structures during examination of the larynx using an endoscope inserted through a patient's nose or mouth, Feeding the captured endoscopic images to two instances of artificial intelligences, a first of which having been trained to identify suspicious areas of laryngeal or pharyngeal tissue structures showing signs of alterations from healthy laryngeal or pharyngeal tissue and a second of which having been trained to detect and classify abnormalities in the mucosal layer or the tissue of the larynx or pharynx, Overlaying the captured endoscopic images with one or more markings indicating an area or areas indicated by the first instance of artificial intelligence as suspicious, and Displaying the overlaid captured endoscopic images on a monitor, together with information provided by the second instance of artificial intelligence.

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 present disclosure concerns an endoscopic imaging manipulation method and system. The method comprises capturing endoscopic images of laryngeal and / or pharyngeal tissue structures during examination of the larynx and / or pharynx using an endoscope inserted through a patient's nose or mouth, feeding the captured endoscopic images to an instance of an artificial intelligence trained to identify suspicious areas of laryngeal and / or pharyngeal tissue structures showing signs of alterations from healthy laryngeal and / or pharyngeal tissue, overlaying the captured endoscopic images with a marking indicating areas indicated by the instance of artificial intelligence as suspicious, and displaying the overlayed captured endoscopic images on a monitor.

A system for measuring cardiovascular data includes an elongate member having a channel, a first expandable member carried by the elongate member and movable between a collapsed state and an expanded state by adjustment initiated externally of a subject, a first sensor disposed on a surface of the elongate member, second and third sensors disposed on a surface of the first expandable, a first optical sensor located at a first location in relation to the distal end of the elongate member and configured for obtaining photoplethysmographic data, and wherein the first expandable member in its expanded state is configured to interface with the subject's larynx for delivery of at least oxygen gas into the respiratory system of the subject, and the second and third sensors are configured to contact tissue in proximity to the larynx when the first expandable member is in its expanded state.

An airway device includes an outertube and a scope channel partially enclosed by the outertube. An intraluminal space in the outertube, not occupied by the scope channel, provides a passageway for air flow to the patient. An esophageal cuff is disposed distally on the scope channel. When inflated, the esophageal cuff secures the airway device in the proximal esophagus of the patient and helps to prevent gastric reflux by mechanically blocking gastric content from entering into the larynx. An inflatable bladder is attached at an anterior surface of the scope channel between the esophageal cuff and a distal opening of the outertube. When inflated, the bladder forms a tubular ring that pushes against the epiglottis and / or other soft tissue towards a wall of the hypopharynx to produce an unhindered air passage into the patient's trachea.

A laryngeal mask airway (LMA) intubation guide for endotracheal intubation procedures and ventilation of a subject, the LMA intubation guide comprising: an elongate body defining a passageway extending between a proximal opening and a distal opening for receiving a blade portion of an intubation device; a laryngeal mask at the distal opening for covering a larynx of the subject; and a ventilation airway extending at least partially along the body, comprising: a ventilation port at a proximal end of the ventilation airway for connection to a ventilator; and a ventilation aperture at a distal end of the ventilation airway for allowing fluid communication between the ventilation airway and the passageway proximate the laryngeal mask, the LMA intubation guide configured for intubation of the subject with an endotracheal tube through the passageway while the subject is ventilated using the ventilation airway.

A laryngeal nerve exciting system includes a collar holding a bridge, or a neckband, pressing soft tissue nerve exciters against a patient's neck providing a source of vibrations to stimulate the laryngeal nerve through the larynx. At least one exciter, and preferably two exciters, provide vibrations at preferably 70 Hz to 110 Hz and sufficiently strong to penetrate to the laryngeal nerve. The exciters may be held by the collar circling the neck, or by the neck band partially circling the neck. The therapy system includes a Personal Digital Assistant (PDA) and software which wirelessly connects, monitors, and triggers the device. The system may be used to treat dysphagia, chronic cough, and spasmodic dysphonia.

To provide an isolated cell capable of regulating cough.SOLUTION: The problem is solved by an isolated laryngeal PCC expressing Calhm3 protein.SELECTED DRAWING: None

A rehabilitation treatment device and method for a patient with swallowing dysfunction comprises a liquid bag (8) acting on the throat of the patient with swallowing dysfunction, a supporting frame (7) arranged on the liquid bag (8), a vertical beam (1) arranged on the supporting frame (7), and a fluid pump (91) arranged between the vertical beam (1) and the liquid bag (8). The upper end face of the liquid bag (8) is supported, expansion medium liquid is injected into the liquid bag (8) through the fluid pump (91), and external interference activity acting force is generated on the throat of a patient with swallowing dysfunction through the liquid bag (8). According to the swallowing-dysfunction patient rehabilitation device, slow expansion force generated by viscous liquid acts on the throat of a swallowing-dysfunction patient in the rehabilitation process, the technical problem that the throat of the patient is lifted up through the hands of a doctor is solved, and therefore the rehabilitation treatment effect of the swallowing-dysfunction patient is improved.

Universal laryngoscope blades and associated methods are disclosed. A universal laryngoscope blade includes a blade body. The blade body includes a first end and a second end. The second end is configured for insertion into a larynx. The universal laryngoscope blade further includes a viewer connected to the blade body. The viewer is configured to function independently from each of a conventional handle and a fiber-illuminated handle. The universal laryngoscope blade further includes a blade fitting disposed at the first end of the blade body. The blade fitting is removably connectable to, one at a time, each of a hook-on fitting of the conventional handle and a hook-on fitting of the fiber-illuminated handle. The hook-on fitting of the conventional handle has at least one physical dimension that is different from at least one physical dimension of the hook-on fitting of the fiber-illuminated handle.

An airway device facilitates the insertion of an ETT into a patient, the delivery of oxygenated air into a patient, an exchange of the pre-inserted ETT in an intubated patient, and an evaluation of the larynx and trachea in an intubated patient, The device comprises an overtube having a mask section attached to a distal portion of the overtube. An inflatable bladder affixed to the mask section includes a shape and surface configured to seamlessly contact the circumference of the elliptical construction of the laryngeal opening. Once the inflatable bladder is positioned adjacent the laryngeal opening enhanced sealing properties are created so that the axis of the airflow entering the device matches the axis of the trachea, allowing for the improved delivery of oxygenated air into the patient's lungs. The specific utilization of the bladder allows for the device to be constructed smaller than a typical airway device, which may more easily facilitate the insertion process. Additionally, the device may provide a seamless transition into endotracheal intubation when necessary.

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.

This invention provides a method and system for risk warning of dysphagia based on multi-signal analysis. The method includes: acquiring surface electromyography (EMG) signals, bioimpedance signals, laryngeal vibration signals, and neck microenvironment temperature and humidity signals from the wearer's neck using a flexible wearable sensing unit; using the respiratory phase determined by the neck microenvironment temperature and humidity signals as a time reference, performing time alignment and preprocessing on the multimodal physiological signals to obtain multi-channel time-series data; extracting and fusing features from the multi-channel time-series data to generate a discriminative fusion feature vector; inputting the vector into a pre-trained classification model for real-time inference to identify swallowing function states, including effective swallowing, ineffective swallowing, and suspected aspiration; and generating a graded risk warning signal in response to the identified abnormal states. This invention solves the problems of motion artifact interference and time alignment through multimodal signal fusion and respiratory rhythm calibration, achieving accurate and continuous monitoring of dysphagia risk.

The utility model relates to the technical field of oropharynx breather pipes, and discloses a double-cavity oropharynx breather pipe which comprises a fixing piece, a rubber pad is fixedly connected to one side of the fixing piece, a connecting pipe is fixedly connected to the interior of the rubber pad, two cavities are formed in the middle of the connecting pipe, and the two cavities are communicated with the fixing piece. And a ventilation pipe A and a ventilation pipe B are fixedly connected to the interior of the cavity. According to the double-cavity oropharynx breather pipe, through the arrangement of the spraying assembly, when the double-cavity oropharynx breather pipe is used, a timer sets time, a signal is sent to the controller when the set time is up, the controller can control an electromagnetic valve to be opened, liquid medicine or clear water in a liquid storage bottle can reach a conveying pipe along an input pipe, and the liquid medicine or clear water is sprayed to the throat through a nozzle; therefore, spraying is conducted on the throat at regular time, the wettability of the respiratory tract is maintained, mucous membrane dryness and respiratory tract discomfort are prevented, throat dryness caused by long-time wearing of the double-cavity oropharynx breather pipe is avoided, and the comfort degree of a patient is improved.

The invention relates to the technical field of snoring patient treatment, and discloses a snoring patient lower jaw position and airway pressure linkage adjusting device which comprises a breathing machine body, a mask is connected to one end of an air delivery pipe, a tap is mounted on the outer wall of one end of the air delivery pipe, and an upper gear sleeve is connected to one end of a first air guide pipe; according to the breathing machine, the lower jaw airway linkage adjusting mechanism is arranged, oxygen on the breathing machine body can enter the first hose through the tap joint, and when a snore symptom patient wears a mask, the oxygen can enter the first hose through the tap joint, so that the breathing machine body is more comfortable to wear, and the breathing machine body is more comfortable to wear. An upper tooth sleeve and a lower tooth sleeve on one side of the mask are worn in the oral cavity of a patient, oxygen intermittently enters a second hose, air bags on the upper tooth sleeve and the lower tooth sleeve are intermittently expanded and contracted, then the throat of the lower jaw of the patient in sleep is intermittently expanded, gas between the lower jaw and an airway flows in a linkage mode, and therefore the patient can feel more comfortable. And the patient can breathe smoothly.

A shielded intubation guide for use in an endotracheal intubation procedure, the shielded intubation guide comprising: an elongate body defining a channel for receiving a lens portion of an intubation device extending between a proximal opening and a distal opening, the shielded intubation guide configured for insertion into a mouth portion of a subject such that the proximal opening is positioned proximate the mouth portion and the distal opening is positioned in an airway of the subject; and a shield about the proximal opening for substantially reducing emissions from the mouth portion, the shielded intubation guide allowing an endotracheal intubation to be performed by inserting the lens portion of the intubation device into the channel, positioning a distal end of the lens portion proximate a larynx portion of the subject, and advancing an endotracheal tube along the lens portion through the channel into a trachea of the subject.

Hydration of a larynx and / or vicinity with a composition comprising a salt formulation (e.g., CaCl2, MgCl2, KCl and / or NaCl) can achieve prophylactic and / or therapeutic effects (e.g., cough suppression, improving voice quality, increasing pulse oxygen saturation and / or increasing mucosal vaccination effectiveness). The composition is administered as dry particles (e.g., aerosol) or as a liquid (e.g., solution, aerosol). The liquid can have a pH of 7.0 up to around 10.0, or preferably around 7.5 up to around 9.5, or more preferably around 8.0 up to around 9.0, or even more preferably 8.0 to 8.5 or most preferably around 8.0. The droplets can have a mass median aerodynamic diameter from approximately 8 μm to approximately 15 μm or from approximately 15 μm to approximately 500 μm. A therapeutic dose (e.g., 0.5 mg to 4.0 mg mass of salt) is administered in response to an indication. Such can employ an osmolitically active composition.

The application relates to the technical field of image recognition, and discloses an electronic laryngoscope image recognition method and system based on artificial intelligence. The method comprises the following steps: acquiring a continuous image sequence of a throat region, and recognizing a suspected lesion candidate region in the image through an identification model; acquiring a first image sequence, and judging whether each first candidate region in the first image exists in the sequence; if yes, calculating a motion vector consistency and rigidity degree parameter of the region based on the first image sequence, and judging whether the region is a lesion region according to the parameters; if no, acquiring a subsequent second image sequence, and judging whether the disappeared candidate region appears again; for the candidate region appearing again, calculating related parameters of the candidate region by comprehensively considering the first and second image sequences, and finally judging the candidate region by combining image features. The application can improve the accuracy and reliability of electronic laryngoscope image lesion recognition.

1. The name of the design product: electronic laryngoscope. 2. The use of the design product: for checking the lesions of pharynx and larynx. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The present application relates to the technical field of three-dimensional image data processing, and particularly relates to a preoperative auxiliary planning MRI image laryngeal tumor three-dimensional reconstruction system. For each voxel point in the initial three-dimensional model of the larynx, the system constructs a preoperative three-dimensional laryngeal image result through tissue image features. In the intraoperative stage, the expected tissue change characteristics are obtained according to the information of the instrument coordinate trajectory in the three-dimensional laryngeal image structure, and compared with the actual tissue change characteristics embodied by the power feedback data sequence of the electrocautery, so as to determine the abnormal type of the tissue under the coordinate trajectory, and update the labeling in the initial three-dimensional model. The present application can effectively identify the abnormal type of the detailed tissue feature area by comparing the expected tissue change characteristics with the actual tissue change characteristics, and then update and render the three-dimensional model in real time through the labeling method, so as to realize the effective response of the intraoperative characteristics.

A laryngeal pacemaker is configured for external placement on skin of a patient to produce respiration stimulation signals. An implantable stimulation electrode delivers the respiration stimulation signals to adjacent target neural tissue for vocal fold abduction during respiration of the recipient patient. A triaxial accelerometer produces a body motion signal reflecting energy expenditure of the recipient patient. A respiration sensor includes a flexible skin-transferrable printed tattoo electrode having a tetrapolar configuration for impedance pneumography measurement to produce a sensed respiration signal for the laryngeal pacemaker. The respiration sensor is configured for transfer and release by guided placement from a sensor applicator to the skin at the angulus sterni of the recipient patient. And the laryngeal pacemaker is configured to interpret the body motion signal and the sensed respiration signal to make a real time determination of respiratory phase and frequency for adaptively adjusting the respiration stimulation signals accordingly.

Non-degradable, non-immunogenic microporous hydrogel compositions are provided. Such hydrogel compositions consist of flowable hydrogel particles comprising a bioinert polymeric backbone, including for example a poly(ethylene glycol)(PEG)-based polymeric backbone, an annealing component comprising a physiologically-stable, radically polymerizable alkene, including for example methacrylamide, and a heparin compound. Methods of treating glottic incompetence and / or providing laryngeal reconstruction are also provided. Such methods consist of providing a subject suffering from glottic incompetence and / or in need of laryngeal reconstruction, and administering a non-degradable, non-immunogenic microporous hydrogel composition disclosed herein.

The present invention relates to a medium composition for forming a laryngeal organoid and a method for preparing a laryngeal organoid by using same. The method for preparing a laryngeal organoid in which laryngeal epithelial cells are three-dimensionally cultured using the medium composition for forming a laryngeal organoid according to the present invention enables stable long-term serial passaging for two or more generations, so that a large quantity of cells can be obtained from a small amount of tissue. In addition, the laryngeal organoid prepared by the method includes a stratified squamous epithelium structure or pseudostratified ciliated columnar epithelium structure that is histologically highly similar to the larynx, and thus may be used as a graft material for laryngeal tissue or as a model capable of replacing cell and animal experiments in disease modeling and drug screening.

This application discloses a laryngeal mask airway (LMA), relating to the field of medical device technology. The LMA includes a cuff, an air delivery tube, and an inflation tube. The air delivery tube includes a connector and an air passage, wherein the connector is used to connect to a gas delivery device; one end of the air passage is connected to the connector, and the other end is connected to the cuff; the air delivery tube has an opening, one end of the inflation tube is connected to the opening, and the other end is connected to an inflation port on the cuff; wherein, when the gas delivery device delivers gas to the patient's larynx through the air delivery tube, the gas inflates the cuff through the inflation tube, thus forming a seal between the cuff and the larynx. In this way, during the gas delivery process, the cuff is automatically inflated using gas, eliminating the need for manual operation, reducing the steps and time required by medical personnel, and improving efficiency.