38 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 relates to the technical field of monitoring, and particularly discloses an anti-esophageal reflux monitoring system for old patients with dysphagia, which is used for solving the problems of oesophageal elastic degeneration, frequent body position change, low swallowing amplitude and the like of the old patients with dysphagia. Therefore, the problem that an existing reflux monitoring system based on single-point sensing, static threshold control and periodic model updating cannot meet the dynamic reflux early warning requirements of individualization, high sensitivity, real-time performance and low power consumption is solved. Comprising a wearable esophagus comprehensive monitoring module, a body position and esophagus deformation recognition module, a personalized pressure threshold self-adaption module, an intelligent prediction and early warning module, an air bag execution module and a cloud model training and updating module. According to the invention, multi-modal sensing and dynamic threshold, self-adaptive sampling and online model fine tuning are fused, low-amplitude swallowing and early-stage reflux signals are effectively captured, the iteration period is shortened by cloud differential updating, the equipment endurance is prolonged, and the esophageal injury risk is reduced.

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.

The utility model belongs to the technical field of medical supplies, and particularly relates to an ice water mouthwash appliance, which comprises a lip shield, a sealing plug, a fixing belt, an ice bag, an upper clamping seat and a lower clamping seat, the lip shield is provided with a through hole and an extension end, the extension end is provided with a raised line, the lip shield is provided with a fixing ring, the fixing ring is connected with the fixing belt in a penetrating manner, and the sealing plug is arranged on the lip shield. A pull ring is arranged on the sealing plug, the sealing plug is used for blocking the through hole, grooves matched with the protruding strips are formed in the upper clamping base and the lower clamping base, the upper clamping base and the lower clamping base are connected in a matched mode and used for clamping and fixing the ice bag arranged at the outer end of the extension end in a sleeving mode, and the ice bag is used for containing ice water so that a patient can hold the ice water in the mouth conveniently. The ice bag filled with ice water is contained in the oral cavity of a patient, so that the discomfort of the oral mucosa can be effectively relieved, and unnecessary burden on the gastrointestinal tract caused by careless swallowing of the ice water by the patient can be avoided.

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.

Devices and methods for treating dysphagia associated with neurological diseases and promoting swallowing. The device includes a tube having an inner diameter greater than an outer diameter of a standard nasogastric tube / intestinal tube and can be advanced on a standard nasogastric tube / intestinal tube platform through the oropharynx and esophagus into the stomach. The device sequentially stimulates the muscles involved in swallowing (swallowing) to monitor and promote the recovery of dysphagia. Another iteration uses a long sleeve placed circumferentially around a standard nasogastric / intestinal tube. The sleeve may be inflated in the proximal end portion with an agent of air or another solution, and the agent may be moved downward along the sleeve under urging of oropharyngeal and esophageal muscle contractions, where segmentation is ensured at regular intervals by valves or adhesion.

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 invention relates to the technical field of oral mucosa injury local treatment equipment, in particular to an oral mucosa local medicine application and bite prevention device. The technical scheme comprises a cheek screen and a tongue screen. The jaw pad is connected with the cheek screen and the tongue screen and is positioned between the occlusal surfaces of the upper and lower jaw teeth; medicine applying heads are designed on the surfaces of the cheek screen and the tongue screen; the medicine applying head is connected to the medicine storage tank through a medicine conveying pipe. Through the design of the cheek screen, the tongue screen and the jaw pad, contact between teeth and mucosa can be isolated, the mucosa is prevented from being bitten, meanwhile, medicine can be conveyed to an affected part through the medicine conveying mechanism, the driving mechanism and the like, the medicine directly acts on a focus in a local medicine application mode, the contact time of the medicine and the focus is prolonged, and symptoms such as pain and itching are rapidly relieved; the risk of swallowing by mistake is reduced, and the treatment effect is comprehensively improved. In addition, the oral mucosa local medicine application and bite prevention function requirements can be met at the same time, and therefore economic waste caused by selection of different treatment devices is avoided.

The utility model provides a trachea cannula which comprises a cannula body, a cuff, an inflation tube, a dosing tube and a suction tube, an anti-occlusion section is arranged in the middle of the cannula body, a dosing hole and a suction hole are formed in the insertion end of the cannula body, the inflation tube is communicated with the cuff, the dosing tube is communicated with the dosing hole, and the suction tube is communicated with the suction hole. The trachea cannula is provided with the dosing tube and the dosing hole, extra anesthesia equipment is not needed, operation procedures of the trachea cannula are simplified, adverse stimulation and complications of a patient caused by the trachea cannula are reduced, a dosing channel is provided for dosing in the trachea for rescuing the patient with dyspnea, the cannula body is provided with the anti-occlusion section, and the anti-occlusion section is not prone to being damaged. The intubation tube is simple in structure, does not need an additional tooth pad, can prevent a patient from pressing the intubation tube body through occlusion, can assist in fixing the intubation tube body, can prevent mistaken swallowing, and improves the safety of the intubation tube.

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

1. Name of the Design Product: Voice Valve. 2. Use of the Design Product: For rehabilitation training of breathing, speech, swallowing, etc. for tracheostomy patients after surgery. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View.

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 relates to multifunctional drainage equipment for oral surgery and a using method thereof, and belongs to the technical field of medical equipment.The multifunctional drainage equipment comprises a drainage equipment module, a fixing module and a monitoring module, the drainage equipment module comprises a negative pressure drainage machine, a drainage pipeline, a flushing pipeline, a medicine feeding pipeline, a main sleeve, an equipment base, a drainage liquid collecting bottle, a flushing liquid storage cylinder and a medicine storage cylinder; the negative pressure drainage machine is communicated with a communicating pipe, the drainage liquid collecting bottle is communicated with the communicating pipe and the drainage pipeline, and the drainage liquid collecting bottle, the flushing liquid storage cylinder and the medicine storage cylinder are arranged at the equipment base. According to the device, multiple functions of the device are integrated, the operation complexity can be effectively reduced, drainage, flushing and dosing functions are integrated into the single device through the combined pipeline, the tedious operation that a traditional device needs to be replaced many times can be avoided, the infection risk is reduced, and the structure of the memory alloy support and the adsorption type fixing head is convenient to use. Displacement caused by swallowing or tongue body movement can be effectively prevented.

The utility model provides a preforming tooth clearance retainer, including band, connecting piece, nut, connecting rod and arc contact plate, one end of connecting rod is inserted in the connecting piece and then screwed up and fixed through nut, the other end of connecting rod is provided with arc contact plate, one end of connecting piece is fixedly connected to band. According to the utility model, through the belt ring, the connecting piece, the cap, the connecting rod, the arc-shaped contact plate and the like, the connecting rod with a proper length is cut out in vitro according to the length of an interdental space so as to be matched with the size of the interdental space, so that the interdental space can be accurately controlled, and the inclination towards an interdental space is prevented; after the connecting rod is inserted into the bolt way behind the connecting piece, the nut is tightened for fixing, the risk of mistaken swallowing caused by falling of anterior teeth and falling of the connecting rod is prevented, after connection is completed, the whole body is worn into the dental crown without being sent to a factory to be machined and manufactured, on-site manufacturing can be achieved according to the specific conditions of a patient, and the treatment period is shortened; and the cohesive force with teeth is enhanced.

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 utility model provides a multifunctional trachea cannula which comprises a cannula body, an air bag and a bite block, the air bag is arranged at one end of the cannula body, the bite block is arranged on the cannula body in a sleeved mode and can slide along the cannula body, a medicine injection hole and a suction hole are formed in the cannula body, an air injection tube, a medicine injection tube and a suction tube are arranged on the cannula body, the air injection tube is communicated with the air bag, and the medicine injection tube is communicated with the suction tube. The medicine injection pipe is communicated with the medicine injection hole, and the suction pipe is communicated with the suction hole. The multifunctional trachea cannula is provided with the medicine injection tube, the medicine injection hole and the tooth cushion, anesthesia equipment does not need to be additionally used, the operation procedure of the trachea cannula is simplified, adverse stimulation and complications of a patient caused by the trachea cannula are reduced, an administration channel is provided for intratracheal administration for rescuing a patient with dyspnea, and the treatment effect of the patient is improved. The position of the tooth cushion can be adjusted according to the age or needs of a patient, the patient is prevented from pressing the tube body through occlusion, meanwhile, mistaken swallowing can be prevented, and the safety of intubation 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.