27 results about "Swallowing" 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 is a system for continuous monitoring of respiratory and gastric functions using wearable devices. Each device includes a three-axis accelerometer and optionally a gyroscopic sensor. They feature wireless communication for data transmission and means for attachment to the skin. A computation device analyzes the data, using a machine learning model to detect coughing, swallowing and respiration. The method involves placing sensors on the skin of the cricoid region and epigastric region, filtering and transmitting data, training the model, and plotting coughing frequency. This system enhances detection accuracy and facilitates early medical interventions, benefiting chronic condition management and postoperative care.

The application belongs to the technical field of dysphagia rehabilitation, and particularly relates to a cold stimulation device for dysphagia rehabilitation, which comprises a supporting column, a reciprocating electric telescopic rod coaxially and fixedly connected to one end of the supporting column, a semiconductor touch head fixedly connected to a telescopic end of the reciprocating electric telescopic rod, a biting seat fixedly connected to the supporting column, biting air bags fixedly and symmetrically connected to the biting seat, the biting air bags being communicated with the supporting column, and a detection tube fixedly connected to the biting seat. The oral cavity sealing mechanism automatically triggered by biting action can accurately detect the swallowing action according to the negative pressure of the oral cavity. After the effective swallowing action is detected, the stimulation can be paused through a delay start switch, the next round of training can be automatically started after the rest, and the timing and rhythm of each stimulation are ensured to be consistent with the physiological response. The normal exhalation can be realized while the oral cavity sealing space is formed, and the breathing safety is ensured.

The invention relates to the technical field of oral care, in particular to an unconscious patient oral foreign matter cleaning device which comprises a seat body, two fastening belts with one ends mounted on the front side and the rear side of the seat body respectively and a central airway tube mounted in a mounting shell at the head of the seat body, and an elastic air bag mounted at the head of the central airway tube. A cleaning module is mounted in the middle through a rotary operation pipe, and an adsorption part is arranged between the cleaning module and the rotary operation pipe; the cleaning control center is arranged at the tail of the central airway tube and connected with the cleaning module through a cleaning liquid tube and an air tube, and the problems that in the prior art, due to the fact that a patient does not have the autonomous swallowing and closing capacity, foreign matter easily enters the airway by mistake, choking is caused, and the safety risk is high are solved; the visual field in the oral cavity is poor, the operation space is narrow, and manual or conventional instruments are difficult to clean comprehensively; an airway protective isolation structure is lacked, and cleaning fluid easily enters the esophagus and the airway and cannot adapt to the special physiological status of the coma patient.

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 discloses a patient swallowing and tongue muscle dysfunction recovery auxiliary training appliance which comprises an auxiliary training handle, a rehabilitation training head is arranged at one end of the auxiliary training handle, training occlusal pads are arranged on the inner sides of the two ends of the rehabilitation training head, and a telescopic training water storage bag is arranged in the middle in the rehabilitation training head. The training occlusal pads are arranged on the inner sides of the two ends of the rehabilitation training head, the training occlusal pads are used for conducting active up-down occlusal training treatment on tongue muscles, and the training occlusal pads are used for conducting active up-down occlusal training treatment on the tongue muscles. Meanwhile, a training water storage bag, a water storage balloon and a water conveying pipeline are arranged in the auxiliary training handle, a certain amount of ice water is injected into the water storage balloon, water is squeezed into the training water storage bag by squeezing the water storage balloon, passive squeezing training treatment can be conducted on the tongue muscle, and the two modes interact with each other; and the efficiency of recovery training of tongue muscle dysfunction can be improved.

The suppression of the gag reflex response, administered through a training device and associated desensitization method(s), without medical intervention, is desirable for many people who suffer from gag reflex response issues. An oral acclimation training device comprise various thickness(es) and length(s) and may have components to prevent swallowing or choking of the device by the user. Further, the device may be part of a kit having multiple training objects with specific attributes (e.g. thickness, depth, shape, finish, texture) that are designed for a specific stage in the training sequence and tailored for the user's inherent gag reflex sensitivity. Training objects are designed to provide optimal stimulus range to cause desensitization but not cause severe gagging or vomiting. The gag suppression stemming from this device is long-term, meaning that it may last for many weeks or months, depending on the individual. This duration may be extended indefinitely by occasional re-training or similar conditioning.

The invention aims to provide a cerebral apoplexy swallowing assessment and extubation decision-making system based on ultrasound and video stream fusion, and the system comprises an ultrasound image collection module which focuses on the dynamic movement of tongue muscles, throat muscles, tongue bones and throat lacuna; the video stream acquisition module is used for calculating facial expression, oral activity and throat form change characteristics by using a motion tracking algorithm; the analysis module is used for analyzing spatial characteristics of muscle movement; identifying time sequence characteristics of the swallowing action; the evaluation and decision module is used for generating a swallowing function evaluation report; and the user interface and report output module is used for outputting an automatically generated swallowing function evaluation report to a clinician. The swallowing function can be evaluated in real time, noninvasively and accurately through a multi-modal data fusion technology in combination with a deep learning algorithm, a more reliable swallowing function evaluation basis is provided for clinicians, and rehabilitation treatment and intervention of stroke patients are helped.

The invention provides a dysphagia diagnosis data processing method and system. According to the method, original multi-source physiological signal data of a detected object in the swallowing process is obtained and preprocessed to obtain preprocessed signal data, candidate paragraph detection of a swallowing related event is executed based on the preprocessed signal data to obtain at least one candidate swallowing paragraph, and then the at least one candidate swallowing paragraph is detected according to the at least one candidate swallowing paragraph. And performing noise suppression and swallowing related acoustic component enhancement processing on each candidate swallowing section to obtain a noise-suppressed candidate swallowing section, and finally, extracting at least one group of acoustic characteristic parameters for representing a swallowing function state based on the noise-suppressed candidate swallowing section. Therefore, non-swallowing related background interference such as environment voice and equipment sound is effectively inhibited, the situation that conversation or equipment noise is mistakenly judged as a swallowing event is reduced, and the swallowing event detection accuracy is improved.

The invention relates to the technical field of intelligent wearable equipment, in particular to a flexible compartment type health linkage bracelet with a medicine taking reminding function, which comprises a bracelet body, a medicine storage module used for storing medicine and a medicine taking reminding module used for reminding a patient to take medicine are installed in the bracelet body, and a solvent tablet rolling module connected with the bracelet body is arranged above the medicine storage module. The periphery of the bracelet body is also provided with a warning lamp for flickering to remind a patient to take medicine; watchbands are installed on the two sides of the bracelet body, and inflatable air bags are embedded in the inner sides of the watchbands. In the medicine taking process, once no water exists, the degradable first high-hydrophilicity gel coating and the degradable second high-hydrophilicity gel coating are arranged in the medicine bin on one side, the tablets make contact with the first high-hydrophilicity gel coating and the second high-hydrophilicity gel coating at the position and are attached to the surfaces of the medicines, the tablets are rapidly dissolved to form a lubricating film after meeting saliva, the esophageal adhesion risk is reduced, extra water does not need to be added, and the medicine taking cost is reduced. The medicine can be smoothly swallowed through saliva and gel lubrication, and esophagitis and throat blockage caused by dry swallowing are avoided.

The utility model discloses a tool for screening and treating dysphagia of a severe tracheostomy patient, which comprises two containing rods A which are the same in shape and size and adopt independent sterile bags, a normal saline layer is arranged in an inner cavity of each containing rod A, and an edible fruit green staining fluid layer is further arranged in an inner cavity of one containing rod A; the containing rod A comprises a hollow straight pipe A with two open ends, the top end of the hollow straight pipe A is fixedly connected with a cotton ball, and the bottom end of the hollow straight pipe A is fixedly connected with a handle; the containing rod A is independently and aseptically packaged, so that the use is convenient and sanitary, and the hospital infection risk in the ICU is reduced; a screening effect is achieved on the swallowing function, dominant aspiration and recessive aspiration, and operation is easy and convenient; the lozenge A has double effects of screening and treatment, orderly combination of screening and treatment of dysphagia of patients is realized at low cost, the medical cost is reduced, the cost of the patients is reduced, and the treatment method is mature and effective.

The invention belongs to the technical field of dysphagia rehabilitation, and particularly relates to a cold stimulation device for dysphagia rehabilitation, which comprises a support column, one end of the support column is coaxially and fixedly connected with a reciprocating electric telescopic rod, the telescopic end of the reciprocating electric telescopic rod is fixedly connected with a semiconductor touch head, the support column is fixedly connected with an occlusion seat, and the occlusion seat is fixedly connected with a rotary shaft. Occlusion air bags are symmetrically and fixedly connected to the occlusion seat, the occlusion air bags are communicated with the supporting column, and a detection tube is fixedly connected to the occlusion seat; by means of an oral cavity sealing mechanism automatically triggered by the occlusion action, the swallowing action can be accurately detected according to the oral cavity negative pressure, stimulation can be paused through the delay starting switch after the effective swallowing action is detected, the next round of training is automatically started after a rest, it is guaranteed that the time and the rhythm of each time of stimulation meet physiological response, and the training efficiency is improved. And normal expiration can be realized while an oral cavity closed space is formed, so that the breathing safety is guaranteed.

The utility model discloses a taste stimulation dysphagia rehabilitation training device, which comprises a stimulation assembly and a drug delivery assembly, and is characterized in that the stimulation assembly comprises an imbedding tube, a stimulation head arranged at one end of the imbedding tube, a plurality of drug outlet holes arranged on the stimulation head, and an adsorption sleeve detachably arranged on the stimulation head, the blocking mechanism is movably connected to the imbedding pipe in a sleeving manner; the dosing assembly comprises a fixed tube fixedly connected with the other end of the imbedding tube, an injection mechanism arranged at the tail end of the fixed tube, a test agent storage mechanism and a handle which are sequentially mounted at the lower end of the injection mechanism from left to right, and a cleaning mechanism arranged in the handle. According to the swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused swallowing-disorder-caused

This invention relates to the field of medical device control technology and discloses a swallowing-triggered Eustachian tube inflation control system based on signal recognition. The system includes an electromyography (EMG) acquisition module, a nasal actuation module, a pressure sensing module, a gas storage module, an air pump module, a solenoid valve module, and a main control module. The EMG acquisition module acquires electrophysiological signals from the swallowing muscles; the pressure sensing module acquires nasal cavity pressure fluctuation signals and actual pressure data; the main control module confirms the effective swallowing cycle based on the received electrophysiological signals and pressure fluctuation signals, calculates the optimal ventilation timing, and determines the target conduction pulse width time. It then controls the solenoid valve module to open according to the target conduction pulse width time, quantitatively releasing compressed gas from the gas storage module into the user's nasal cavity. This invention achieves synchronous airflow triggering through physiological signal fusion and self-calibrated dynamic thresholds, and utilizes a bypass blind cavity and interruption depressurization mechanism to prevent cross-contamination and pressure damage.

This orofacial myofunctional rehabilitation splint is characterized by a lower vertical outer wall (2) with a reduced height of 2 or 3 mm at most, allowing the resting pressure of the orbicularis oris muscle to be exerted on the mandibular alveolar arch. This feature helps prevent, or even reduce after an interceptive treatment phase, unwanted labial tipping of the mandibular incisors. This splint is further characterized by a tongue ramp (3) without a wall along the lingual edge of the upper part of the occlusal plane (8). The tongue ramp (3) thus continues laterally with the occlusal plane (4) via a rounded edge (8). This feature induces passive elevation and propulsion of the tongue, which is accompanied by an opening of the upper airways and helps to reduce snoring and retrain swallowing.The tongue ramp (3) is extended anteriorly by an anterior guide for the tip of the tongue (9). This guide is specifically designed to lift and guide the tip of the tongue forward and upward, ensuring its proprioceptive contact with the retro-incisive papilla, in order to open the upper airways and promote the rehabilitation of swallowing and resting tongue posture. The device according to the invention is particularly intended for the rehabilitation of breathing, swallowing, and tongue posture; the improvement of obstructive sleep-disordered breathing, particularly snoring; and the improvement of dental occlusion.

The invention discloses a multi-modal swallowing function intelligent evaluation and intervention integrated system, and relates to the technical field of intelligent medical rehabilitation, and the system comprises a multi-modal data collection module which collects images, physiological signals and clinical scale data and associates patient identification storage; the multi-modal intelligent evaluation module quantifies tongue bone displacement, UES open area and FA value through image analysis, calculates myoelectricity incubation period and throat uplift time through physiological analysis, and outputs obstacle grade and risk grade in combination with machine learning; the acupuncture therapy evaluation and adaptation module is used for selecting acupuncture points according to a swallowing period and configuring operation parameters; the combined rehabilitation intervention module comprises glacial acid stimulation, standard swallowing training and neuromuscular electrical stimulation; and the result feedback and system iteration module is used for generating a report, encrypting storage data and iterating the model. According to the invention, dysphagia can be accurately evaluated, acupuncture and rehabilitation schemes are adapted according to grading and periods, the incidence rate of aspiration pneumonia is effectively reduced, the swallowing function and nutrition state are improved, and the rehabilitation efficiency is improved.

The invention relates to the field of bionic machinery, in particular to bionic swallowing simulation equipment and a swallowing simulation method. The bionic swallowing simulation equipment comprises a rack; the injection module is arranged at the top of the rack; the injection module loads food; the feeding module is connected with the injection module; the bionic swallowing simulation mold comprises a food loading part, a throat pipe part and an esophagus part which are communicated with one another, the food loading part is directly connected with the feeding module; the esophagus part is provided with at least one contraction part; the wriggling modules are arranged on the two sides of the bionic swallowing simulation mold; the creeping module comprises a linear module installed on the rack in the height direction of the rack and a creeping assembly connected with the linear module. The peristaltic assembly is driven by the linear module to simulate the propelling effect of esophageal peristaltic waves; the at least one clamping module is mounted on the rack; the clamping module is arranged to clamp the contraction part. The device simulates the dynamic process of human swallowing, and has the advantages that the dynamic process of human swallowing can be accurately simulated, and the test precision is improved.

The invention relates to the technical field of breathing masks, in particular to an intelligent anesthesia induction mask capable of monitoring gastric retention, the intelligent anesthesia induction mask comprises a mask body and an ultrasonic detection module, and the mask body is communicated with a breathing tube; a smell detection module used for detecting smell data in the oral cavity is communicated in the breathing tube, and the smell detection module is electrically connected with a controller; the controller is electrically connected with a myoelectricity electrode used for stimulating swallowing related muscles, and the controller is used for sending an ultrasonic verification instruction to the outside based on comparison of smell data and retention comparison data when the myoelectricity electrode is started; the controller is further used for acquiring an ultrasonic image at the current time based on the ultrasonic verification instruction, acquiring a real-time gastric motility parameter based on the ultrasonic image in unit time, and sending a gastric retention risk reminding instruction to the outside when the real-time gastric motility parameter is inconsistent with a set comparison gastric motility parameter; the residual volume of the stomach is dynamically evaluated through the ultrasonic sensor, and decision support is provided for anesthetists.

A dental treatment device presents iodine in a solid or semi-solid carrier in order to decrease incidents of accidental swallowing and bolster effective treatment. A whitening treatment is also provided for immediate counteraction of the undesired staining effect of iodine. Treatment is then able to be accomplished in a single setting, whether at home or in a clinical setting.

This invention provides a human swallowing action recognition system, method, electronic device, and medium. The human swallowing action recognition system includes: a flexible piezoelectric sensor for acquiring swallowing physiological signals of a target user, the flexible piezoelectric sensor being attached to the target user's throat; a signal acquisition module for transmitting the swallowing physiological signals to a lightweight neural network recognition model; and a lightweight neural network recognition model for real-time recognition of the swallowing physiological signals to obtain the corresponding swallowing action recognition result for the target user. The calculus convolution module in the lightweight neural network recognition model uses a high-dimensional convolution kernel to extract features from the swallowing physiological signals. Based on this, this invention, through the deep integration of a flexible piezoelectric sensor and a lightweight neural network, achieves non-invasive, highly sensitive swallowing action monitoring while enabling millisecond-level real-time classification and recognition at an edge device with extremely low power consumption.

The invention provides a hidden aspiration monitoring method and device based on multi-source sensing data fusion, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence and computers. According to the implementation scheme, the method comprises the steps that multi-mode swallowing time sequence signals of a first monitoring object are collected, and the multi-mode swallowing time sequence signals comprise a swallowing audio signal, a swallowing throat vibration signal and a swallowing breathing signal; performing multi-modal feature fusion on the multi-modal swallowing time sequence signal to obtain a target feature sequence; swallowing identification, aspiration identification and cough event identification are respectively carried out on each sequence segment feature in the target feature sequence; and under the condition that the target sequence segmentation characteristics which are identified to have swallowing and aspiration and do not have the cough event are obtained, determining that the first monitoring object has hidden aspiration.

The invention discloses a post-stroke patient swallowing function evaluation and training instrument based on biofeedback, and belongs to the technical field of medical rehabilitation equipment. The device comprises a signal acquisition module, a signal processing module, a data analysis module, a feedback output module and a power management module. A 64-channel flexible electrode array is used for collecting electromyographic signals, a 9-axis inertial measurement unit is used for tracking six-degree-of-freedom movement of the throat, a double-channel microphone is used for collecting acoustic signals, and a double-channel pressure sensor is used for detecting pressure of tongue bones and thyroid cartilages. The electromyographic signals are reconstructed into a three-dimensional space-time thermodynamic diagram through radial basis function interpolation, and four modal data are fused through a deep learning model to achieve automatic swallowing phase recognition and anomaly detection. And visual, auditory and tactile three-channel real-time biological feedback training is provided. According to the invention, multi-dimensional accurate evaluation, multi-modal real-time feedback and intelligent adaptive training are realized, and the evaluation accuracy of the swallowing function and the rehabilitation training effect are improved.

The invention discloses an intelligent monitoring intervention device and method for newborn swallowing and breathing in the technical field of medical instruments, and aims to solve the problems that in the prior art, experience judgment and manual operation of medical staff are mainly relied on, the mode lacks accurate monitoring data support, and the intervention effect is difficult to accurately quantify. The system comprises a monitoring system, a data analysis processing system and an intervention system. The monitoring system comprises a swallowing detection device, an electromyographic signal sensor, a strain gauge sensor and a pulse oxyhemoglobin saturation sensor. Through fusion application of multiple sensors, the device can comprehensively and accurately monitor swallowing and breathing parameters of the newborn, reliable data basis is provided for clinical evaluation through accurate monitoring data support, and medical staff can more accurately know the physical condition of the newborn.

This invention discloses a dental interdental cleaning device, which includes a handle body; a movable cylinder is slidably connected to the top of the handle body, and a cleaning head is provided at the front end of the movable cylinder. An adjustment component is provided at the top of the handle body and outside the movable cylinder, and a connecting component is provided at the front end of the movable cylinder and behind the cleaning head. Compared with existing interdental cleaning devices, this invention specifically solves three core defects of existing interdental cleaning devices: poor operability, insufficient locking reliability, and weak connection security. It not only overcomes the industry pain points of cumbersome length adjustment operation, inability to operate continuously with one hand, non-compliance with clinical treatment habits, and low treatment efficiency, but also eliminates the major safety hazards of locking failure, operation injury caused by loosening and falling of the cleaning head, and accidental swallowing or aspiration by patients.

This invention discloses a respiratory guidance device and its control method and system, relating to the field of medical device technology. The device includes a gas supply unit, a disposable lip-holding tube, an exhalation detection module, and a feedback module. The lip-holding tube has a middle lip-holding section with a breathing port. When the patient is in working condition, they hold this lip-holding section with their lips, the breathing port being located between the lips and outside the teeth, allowing the upper and lower teeth to close normally, achieving natural swallowing without stress on the masseter muscle. The gas supply unit provides a constant flow of clean gas, the exhalation detection module collects the patient's expiratory flow rate in real time, and the feedback module provides guidance prompts based on the expiratory status, helping the patient adjust to the correct oral breathing mode in real time. This invention, through its unique lip-holding tube design and intelligent feedback guidance, fundamentally solves the problem of nasal exhalation causing endoscope fogging during endoscopic examinations, significantly improving patient comfort and compliance, and can be extended to scenarios such as nebulizer therapy and postoperative monitoring.