76 results about "Pharyngeal part" patented technology

The invention provides an intelligent monitoring system and method for swallowing rehabilitation, and the method comprises the steps: determining the mistaken aspiration risk feature of a pressure peak value in the swallowing rehabilitation through the high-frequency energy sudden change amount of cough sound and the delay feature of a food mass through the pharynx, and when the mistaken aspiration risk feature is greater than a risk threshold value in the swallowing rehabilitation, stopping the swallowing rehabilitation. According to biomechanical information in swallowing rehabilitation, coordination scores of all rehabilitation stages in the swallowing rehabilitation process are determined, and then function recovery indexes of the swallowing function in the pharyngeal period in the swallowing rehabilitation process are determined according to all the coordination scores and mistaken aspiration risk characteristics. The swallowing efficiency index in swallowing rehabilitation is extracted, then the rehabilitation deviation characteristic of the pharynx is determined through the swallowing efficiency index and the function recovery index, and personalized adjustment is conducted on the swallowing rehabilitation scheme after sound-light alarm based on the rehabilitation deviation characteristic. Based on the scheme, personalized coordination of the rehabilitation scheme in swallowing rehabilitation can be realized, so that the recovery efficiency of the swallowing function in the pharyngeal period can be improved.

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.

A user interface comprising a non-sealing nasal cannula and a mask arranged about the nasal cannula, the mask including a seal configured with a user's face to allow the interface to be pressurised, the cannula configured to deliver breathing gases to the nares of a user at a flow rate exceeding the intended user's peak inspiratory flow requirements so that the mask and the user's pharynx are flushed continuously with fresh breathing gases to reduce dead space.

Systems and methods for pharyngeal phenotyping in obstructive sleep apnea are described herein. An example method includes receiving manometry data for a subject; extracting a plurality of features from the manometry data, where the extracted features include one or more of a high-level breath feature, a frequency feature, or a largest negative connected component (LNCC) feature; inputting the extracted features into a trained machine learning model; and predicting, using the trained machine learning model, at least one of a location of pharyngeal collapse for the subject or a degree of pharyngeal collapse for the subject.

The invention discloses a dysphagia rehabilitation training device which is characterized by comprising a base, a control panel, a water tank, a water pump and a training mechanism. The training mechanism comprises a plurality of electric push rods arranged in a lower cavity of an adjusting frame at equal intervals, a plurality of sleeves are arranged in an upper cavity of the adjusting frame at equal intervals, pistons are arranged at the output ends of the electric push rods and slidably mounted in the sleeves, and a supporting rod of an L-shaped structure is fixedly mounted at the top of the adjusting frame. A peristaltic pipe is arranged at the front end of the supporting rod, a stimulation ball is arranged at the front end of the peristaltic pipe, a plurality of air pipes are connected to the interior of the peristaltic pipe, the air pipes are slidably installed in the supporting rod, the tail ends of the air pipes are connected to the top of the sleeve, and a water outlet pipe and a water inlet pipe are arranged at the tail end of the stimulation ball; the water inlet pipe and the water outlet pipe are slidably mounted in the supporting rod; the device can guide the root of the tongue, stimulate the pharynx and train swallowing muscles at the same time.

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 relates to a device (100) for laryngectomised persons, comprising a respiratory prosthesis (120) comprising an adapted tube (122) for connecting to a new incision that is made in the neck and extends to the pharynx at the base of the tongue, and comprising at least one biocompatible membrane (124) for filtering liquids and solids and preventing them from passing through the tube (122), wherein a coupler (126) for coupling to the new incision is connected internally to the distal end of the tube (122) and externally to at least one pipe (130a, 130b) for exterior communication with a tracheostoma coupler (110), which comprises a sealingly and detachably accommodated HME filter (112), such that the new-incision coupler (126) is connected to the tracheostoma coupler (110).

Systems and methods are disclosed for an endoscope for use in a surgical procedure, e.g., a pediatric trans-nasal endoscopy procedure. The endoscope may include a handle for gripping by a user, and a shaft extending from the handle. The shaft may have a working channel extending longitudinally therethrough. When the shaft is in a fully-inserted position, the shaft may have an extracorporeal zone configured to reside proximal relative to the patient's nasal opening, a patient comfort zone configured to reside from the patient's nose through the patient's pharynx and to a top of the patient's esophagus, and a distal functional endoscopic zone configured to reside from the top of the patient's esophagus to a distalmost tip of the shaft. The patient comfort zone has a relatively higher flexibility so as to maximize patient comfort for that portion of the shaft that is maintained in the curvatures of a patient's nasal cavity during a surgical procedure.

The invention relates to the technical field of medical teaching aids, and discloses a laryngoscope operation training method and device based on sensor intelligent feedback, and the method comprises the steps: reconstructing a human body oral cavity simulation model for training, simulating anatomical mechanical gradients including a tongue body, a pharynx and teeth, and obtaining a simulated model; burying pressure sensors with different precisions under the skin of each key part in the simulation model according to the anatomical mechanics of the part; the oral cavity simulation model is connected to carry out laryngoscope operation training, signals of all the pressure sensors are collected in real time and converted into digital signals, key parameters of the pressure signals are obtained through calculation after analysis and processing so as to judge the contact state, and corresponding acousto-optic feedback and alarm are automatically triggered according to the contact position and the contact state. An intelligent sensing network with biomechanical simulation capability is constructed, the contact strength in a laryngoscope operation path is evaluated through a multi-level pressure monitoring and dynamic feedback mechanism, and a quantitative evaluation system of operation quality is established.

The utility model provides a pharyngeal ice bag, which comprises a middle ice bag containing sleeve bag, which is a rectangular open-top pocket structure, an ice bag is placed in the middle ice bag containing sleeve bag, the inner part of the ice bag is divided into multiple small compartments, each small compartment contains a polymer gel, and a set of elastic fixing belts, which comprises two pairs of elastic connecting belts arranged on both sides of the middle ice bag containing sleeve bag, the outer surface of the left strap of each pair of elastic connecting belts is provided with a Velcro surface, and the inner surface of the right strap is provided with a Velcro hook surface matched with the Velcro surface. The utility model has the advantages that it is used for preventing postoperative hemorrhage of the pharynx and relieving postoperative pain of patients. The utility model solves the problem that the pharyngeal ice bag is not easy to fix, and the method is simple and practical.

In an ultrasound diagnostic apparatus and a control method for an ultrasound diagnostic apparatus, a first ultrasound image of one pharyngeal part of left and right pharyngeal parts of a subject is analyzed to detect a region of a swallowing residue in the first ultrasound image. Registration of the first ultrasound image is performed with respect to a second ultrasound image of the other pharyngeal part of the left and right pharyngeal parts of the subject, and a region of the second ultrasound image corresponding to the region of the swallowing residue in the first ultrasound image in which the registration has been performed with respect to the second ultrasound image is determined. Then, a graphic including the region of the second ultrasound image is superimposed on the second ultrasound image and displayed on a monitor.

Device to combat sleep apnea Reflexogenic orthosis regulating the aeroelasticity of the pharynx FIGURES

The utility model relates to the technical field of medical instruments, and discloses an oropharyngeal airway device based on a bite block, which comprises the bite block, a through hole is arranged on the bite block, an oropharyngeal airway is arranged in the through hole, the oropharyngeal airway comprises a duck tongue opening and a pipeline connected with the duck tongue opening, a breather pipe is arranged on the inner wall of the pipeline, and a clenching part is arranged on the outer wall of the through hole. And a silica gel layer is arranged on the surface of the oropharynx airway. And a flexible bulge is arranged on the clenching part. According to the overall design of the oropharyngeal airway device, the physiological characteristics and clinical requirements of a patient are fully considered, and the rehabilitation process of the patient is promoted in the modes of reducing discomfort, improving the ventilation efficiency and the like. Meanwhile, soft material selection is also beneficial for preventing complications, such as pharyngeal edema, ulcer and the like, possibly caused by long-term use of the oropharyngeal airway. The device can ensure normal breathing of a patient, improves the comfort of the patient, and is suitable for patients needing airway support, such as painless gastrointestinal endoscopy patients.

A mouth cavity attachment tool (1A) is attachable to a mouth cavity (M) of a person (P) under examination. The mouth cavity attachment tool (1A) includes a partitioning portion (10A) and a gap forming portion (11A). The partitioning portion (10A) partitions a mouth cavity (M) into a first portion (M1) where objects of measurement of halitosis are located and a second portion (M2) communicating with a pharynx (6) of the person (P) under examination. The gap forming portion (11A) is connected to the partitioning portion (10A) and forms gaps (G) in spaces to the objects of measurement. Since the mouth cavity attachment tool (1A) includes the partitioning portion (10A) partitioning the mouth cavity (M) into a first portion (M1) where tooth rows (2) and gums (3) are located and a second portion (M2) communicating with the pharynx (6) of the person (P) under examination, halitosis can be detected accurately.

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.

Provided are an ultrasound diagnostic apparatus and a control method for an ultrasound diagnostic apparatus capable of accurately evaluating dysphagia. The ultrasound diagnostic apparatus includes: an ultrasound probe; an image formation unit that acquires an ultrasound image of a pharyngeal part of a subject in accordance with an image formation condition by transmitting and receiving an ultrasound beam using the ultrasound probe; a chewing information acquisition unit that acquires chewing information during chewing of the subject; an image formation condition adjustment unit that adjusts the image formation condition on the basis of the chewing information acquired by the chewing information acquisition unit; and a swallowing evaluation unit that evaluates swallowing of the subject, on the basis of the ultrasound image acquired by the image formation unit in accordance with the image formation condition adjusted by the image formation condition adjustment unit.

A supraglottic device (SGD) comprising an airway tube (1) extending to a bowl-shaped cuff (2) located at a distal end of the airway tube, the cuff orifice being in the shape of a sealing ring (3) for sealing between the laryngeal and pharyngeal walls, the dorsal portion of the cuff on the opposite side of the cuff aperture comprises at least one open groove (4) on the left or right side of the dorsal portion of the cuff for insertion of a gastrointestinal device through any of the open grooves. Methods and kits for using the supraglottic device are also provided.

The invention relates to the field of medical instruments, and discloses an auxiliary laryngeal mask implantation device which comprises a grip part, a tongue pressing part and a positioning part, during use, a medical worker can hold the grip part by hand, the end, away from the grip part, of the tongue pressing part extends into the oral cavity of a patient, and the tongue pressing part is bent and deformed to adapt to the shape of the oral cavity of the patient; after the tongue pressing part extends into the oral cavity of the patient by a certain depth, the positioning part is slid to be in contact with the lip of the patient, so that the device is fixed, and displacement of the device in the subsequent laryngeal mask embedding process is avoided; when the laryngeal mask is placed, the laryngeal mask is pushed to the pharynx of a patient along the tongue pressing part. By means of the auxiliary laryngeal mask imbedding device, the operation difficulty of laryngeal mask imbedding can be reduced, meanwhile, the situation that the laryngeal mask is wound into the tongue root of a patient to injure the patient in the laryngeal mask imbedding process is avoided, smooth imbedding of the laryngeal mask is guaranteed, and the laryngeal mask is protected to play a normal role; in addition, by means of the auxiliary laryngeal mask imbedding device, the risk of cross infection can be reduced, and the safety coefficient of laryngeal mask imbedding is improved.

Methods and systems for monitoring, preventing and / or treating upper airway disorders such as apnea, dysphagia, reflux and / or snoring are described. The methods and systems monitor the upper airway disorders by processing one or more neural signals obtained from one or more upper airway afferents. Upper airway disorders are prevented and / or treated by delivering one or more stimulations to one or more reflex-related afferents, efferents, muscles, and sensory receptors to manipulate the threshold and / or trigger an upper airway reflex including, but not limited to a swallow reflex and / or a negative-pressure reflex.

To provide a sleep respiration improvement apparatus that can change a stimulation amount during sleep without the need of installing a large-sized body device.SOLUTION: A sleep respiration improvement apparatus 1 comprises: a pharyngeal stimulation device 2b that selectively stimulates a pharyngeal part; and a mouthpiece 2a that can be worn in the oral cavity and supports the pharyngeal stimulation device 2b.SELECTED DRAWING: Figure 1

To provide a sensitivity improvement device which can improve a sensing function of oral cavity and pharynx using a phenomenon called stochastic resonance.SOLUTION: A sensitivity improvement device of the present invention includes an actuator 14 for generating a noise vibration. By applying the noise vibration to a skin of head and neck or a tongue of a biological body, the sensing function of the oral cavity or a pharynx is improved using a phenomenon called stochastic resonance. Further, threshold value setting means 20 is provided for setting a vibration level of the noise vibration. The threshold value setting means 20 applies different vibration levels to a user, causes the user to input the stimulated vibration level at which the noise vibration is sensed and a non-stimulated vibration level at which the noise vibration is not sensed, and sets a threshold value specific to the user based on the input stimulated vibration level and the non-stimulated vibration level.SELECTED DRAWING: Figure 1

The present invention relates to an introducer device for aiding the insertion of an enteral tube into a patient having an endotracheal tube present in the mouth, pharynx and trachea, the introducer device comprising an elongate body with a functional head portion for insertion into the patient’s mouth, the functional head portion being provided with opposing exposed channels to enable removal of the introducer device independently of the enteral tube and endotracheal tube.

The present invention relates to a medical instrument belonging to the health sector that is designed to free the airway by directing the lodged food towards the oesophagus. The instrument is suitable for adults and allows intervention in self-management mode and assistance mode when the cause of the choking is a soft food. The present invention has been developed to prioritise its harmless nature, preventing the problem to be solved from being exacerbated. Furthermore, its use entails greater control over the possible pharyngeal reflex, thereby reducing vomiting from being induced, which is the most feared complication as a consequence of performing the Heimlich manoeuvre. The medical-grade silicon texture of the medical instrument in combination with virgin olive oil cause a gentle atraumatic insertion or oral phase. Likewise, its elliptical truncated base performs an optimal pharyngeal phase by safely directing the food towards the oesophagus, confirming harmless interventions that are completed in a few seconds.

An exercise device (1) is provided in the present disclosure. The device (1) comprises a body (10) having a contact surface (11), size and shape adapted to provide mechanical contact with one or more of the soft palate, the lingula, the palatal tonsil, the lingual tonsil and the pharynx when inserted into a user' s mouth along a main axis (A). The present disclosure further provides a method for developing pharyngeal muscles by use of such a device (1).

The invention discloses a tongue muscle and pharyngeal muscle pressure measuring and training device and a using method. The device comprises a pressure measuring controller, a pressure measuring pipe assembly and a pressurizing module. The pressure measuring controller is integrated with a main control module, a display screen, a pressure measuring sensor and function keys; the pressure measuring tube assembly comprises a flexible sensing balloon and a connecting tube, is communicated with the connecting tube through a communication port, and is detachably connected with the pressure measuring joint; the pressurizing module is used for injecting fluid into the sensing balloon and stopping pressurizing after the set pressure intensity is reached, and at the moment, the volume of the fluid in the sensing balloon is not changed. The device supports single-balloon or multi-balloon configuration, synchronous and accurate measurement of pressure of multiple parts of the tongue and the pharynx can be achieved, and a personalized resistance training scheme is set based on measured data. Through closed pressure sensing and real-time data processing, integration of quantitative evaluation and rehabilitation training of the swallowing function is achieved, and the problems that in the prior art, measurement is not accurate, and training lacks feedback are solved.

An evacuator device for attachment to a laryngoscope has a rectangular body with a proximal end, a distal end, and a curved region between the proximal end and the distal end. The body defines an interior passage extending from the proximal end to the distal end. The proximal end is configured to attach to a suction tube of a vacuum source. The distal end is configured to attach to a blade of the laryngoscope. A diameter of the interior passage is sized to allow airborne particles and fluid from a patient's larynx and pharynx to be evacuated through the interior passage due to the negative pressure created by the vacuum source. The curved region reduces obstruction of a user's view of the patient's larynx and pharynx.

A device for insertion into an airway of a subject, the device including: an arm defining a distal end and a proximal end, the arm including: an elongate handle portion at the proximal end, the handle portion extending substantially towards the distal end, and an offset portion located between the distal end and the handle portion, the offset portion being offset dorsally relative to the handle portion and the distal end; and a tip at the distal end of the arm, wherein the arm is configured to allow a user to hold the handle portion outside of a mouth of the subject and move the handle portion to move the tip through the mouth and pharynx of the subject to thereby position the tip proximate to a larynx of the subject.

The utility model belongs to the technical field of medical instruments, and particularly relates to an improved nasopharynx breather pipe. The improved nasopharynx breather pipe comprises a main pipe body, a movable sleeve and a fixing band. The main pipe body comprises a connector arranged at one end; the movable sleeve is detachably arranged on one side, close to the interface, of the main tube body, and comprises an elastic sleeve which movably sleeves the periphery of the main tube body, an air bag which is arranged at the end part of the elastic sleeve and is opposite to the nose of the patient, and a fixing assembly for fixing the elastic sleeve on the main tube body; and the fixing belt can be sleeved on the movable sleeve. After the main pipe body enters the pharynx of a patient through the nostril, medical staff adjust and fix the position of the elastic sleeve on the main pipe body through the fixing assembly according to the position of the nose of the patient, so that the air bag is fixedly located on the outer side of the nostril and abuts against the nose of the patient, and due to the fact that the air bag is made of flexible materials, pressure applied to the nose of the patient is not large. The situation that the nose of a patient becomes red under long-time pressing of the nasopharynx breather pipe can be avoided, and the comfort level of the patient is improved.

A drainage device includes an elongate flexible conduit comprising a proximal end opening, a distal end opening and a lumen disposed therebetween. A multi-layer distal portion coaxially surrounding the lumen and having a porous outer surface layer, a porous interior layer and an intermediate absorbent layer therebetween. A drainage system and a device and method for treating dysphagia are also disclosed.