261 results about "Laryngoscopes" patented technology

The invention discloses an image segmentation method and system, and relates to the technical field of image segmentation. According to the image segmentation method, to-be-segmented laryngoscope medical image data is obtained and input into a pre-trained image segmentation model for preliminary segmentation processing, and a laryngoscope structure segmentation image is generated and comprises a plurality of laryngoscope segmentation areas and corresponding segmentation data sets; performing comprehensive analysis to obtain a structure segmentation perception index of each throat segmentation region, performing analysis to obtain a plurality of low-confidence throat regions, and inputting the low-confidence throat regions into an image restoration model in combination with a segmentation data set of a set annular adjacent throat segmentation region for analysis to obtain an enhanced segmentation data set of each enhanced throat region; according to the method, the laryngoscope structure segmentation image is updated through the enhanced segmentation data set of each enhanced laryngoscope region to obtain the structured laryngoscope tissue segmentation image, so that the enhanced regions have the consistency of pixel levels, and the segmentation precision and clinical availability are effectively guaranteed.

The invention relates to the field of children voice data processing, in particular to a multi-modal children voice data processing method based on deep learning and federal learning. According to the scheme, the method comprises the steps that a laryngoscope image and sounding audio data of a child are collected, after preprocessing, local features in the laryngoscope image are extracted through a DLE module, global features in the laryngoscope image are extracted through a GSA module, fusion of the local features and the global features of the laryngoscope image is carried out through an MSFE module, and final fusion features of the laryngoscope image are obtained; local features and global features of the audio data are extracted from the preprocessed Mel spectrogram through an AMFN module, and fusion of the local features and the global features is carried out; and then, a Vision Transform classifier model is trained, and in the training process, the privacy protection and distributed modeling capability of the multi-center medical data are ensured in combination with a federal learning framework. The method is suitable for children voice data classification.

A system and method for a laryngoscopic device which incorporates the electronic and imaging elements within the device with advanced functional iterations that incorporate mathematical pattern recognition / predictive modeling as well as parallel computing and supercomputing for data analysis as well as and integrating it with the patient's record and compiling images from multiple scopes in a cloud-based system for an AI platform to use in diagnosis and disease monitoring.

The invention discloses a laryngocarcinoma primary screening and lesion area positioning method and device fusing an attention mechanism. The method comprises the following steps: (1) carrying out standardization and non-uniformity correction preprocessing on a laryngoscope image; (2) constructing a parallel deep learning model; (3) designing an adaptive dynamic feature fusion (AFF) module; (4) designing a multi-objective optimization loss function suitable for a laryngeal cancer preliminary screening task; (5) constructing a dual interpretability verification system of the Grad-CAM and the SHAP; and (6) generation and visual presentation of a diagnosis result. According to the method, an Inception-v4 and ViT parallel architecture is adopted, and a hybrid dynamic attention (HDA) mechanism is introduced into an Inception-v4 branch, so that the local feature extraction capability is effectively improved. By designing an adaptive dynamic fusion (AFF) module and combining a cross-modal attention (CMAF) mechanism, efficient interaction of local and global features is realized. Particularly, a multi-objective loss function is designed aiming at the requirement of early screening of laryngeal cancer. At the output end of the model, Grad-CAM thermodynamic diagram positioning and SHAP credibility evaluation are integrated at the same time, and a complete interpretability diagnosis system is constructed.

The invention provides a throat reflux disease detection method and system based on a laryngoscope image and an RFS-Net algorithm, and relates to the technical field of medical image intelligent detection.The method comprises the following steps that a laryngoscope image sample is obtained and preprocessed, and a standard image is obtained; inputting the standard image into the RFS-Net model, and extracting spatial features and spectrum features; carrying out model training based on an improved Focal Loss function in combination with the extracted spatial features and spectrum features, and balancing sample distribution; fusing the shallow texture features and the deep semantic features of the image samples through a residual attention mechanism RAM; performing lesion analysis on the patient data in combination with clinical indexes and fusion features, and outputting a detection result; according to the method, multi-dimensional feature extraction and fusion are performed on the laryngoscope image through the RFS-Net model, spatial features and frequency spectrum features are covered, the features of the throat reflux disease can be identified more accurately in combination with the improved Focal Loss function optimization model training, and misdiagnosis and missed diagnosis conditions are reduced.

In one embodiment, a laryngoscopy apparatus includes a handle configured for gripping by an operator, a blade extending from the handle configured for insertion into the trachea of a patient, a clear viewing window provided on the blade that enables a patient's airway to be viewed, and means for clearing material from the viewing window that could obscure the view of the airway.

The invention relates to a laryngoscope image classification method based on multi-scale cross-axis attention collaborative optimization, and the method comprises the steps: carrying out the preprocessing of a to-be-classified laryngoscope image, inputting the to-be-classified laryngoscope image after the preprocessing into a trained classification model based on multi-scale cross-axis attention collaborative optimization, and obtaining a classification result. The classification model sequentially comprises a feature extraction module, a feature coupling module, an average pooling module and a probability conversion module which are serially arranged from input to output. The feature extraction module comprises a first feature extraction unit and a second feature extraction unit which are parallel, the first feature extraction unit comprises an encoder and a decoder which are serial, and the second feature extraction unit is of an OfficientNet-B0 network structure. The encoder is of a ResNet50 network structure, and the decoder is of a multi-scale cross-axis attention network structure. According to the method, the parallel multi-model network is adopted for laryngoscope image feature extraction, the feature representation capability is high, and the problems of over-fitting and weak generalization capability cannot be caused.

The invention belongs to the technical field of medical instruments, and particularly relates to a composite material for an anaesthetic laryngoscope and a preparation method thereof. The composite material for the anaesthetic laryngoscope comprises the following raw materials in parts by weight: 50-80 parts of polyvinyl chloride, 45-65 parts of a plasticizer, 0.5-1 part of a lubricant, 0.5-1 part of a stabilizer, 0.5-1 part of a chitosan derivative and 3-8 parts of modified hydroxyapatite. The chitosan derivative, the modified hydroxyapatite and other components are added into the polyvinyl chloride (PVC), so that the composite material is endowed with stable lubricity and antibacterial property, and meanwhile, the mechanical property of the composite material is also improved.

The invention discloses a tracheal intubation path feature extraction method and device based on AI analysis, and relates to the technical field of intelligent medical robotics.The method comprises the steps that an optical flow method is used for preprocessing an input matrix, an epiglottis deformation displacement field is calculated, the epiglottis deformation displacement field is imported into ANSYSMechical for finite element analysis, and a three-dimensional tracheal path topological graph is obtained; carrying out fluid-solid mechanical joint simulation on the three-dimensional air pipe path topological graph by adopting a COMSOLMultiphysics multi-physics coupling solver, so as to obtain a lifting parameter; an impedance control instruction is generated according to the lifting parameters, and the cooperative mechanical arm is driven to execute the impedance control instruction; and on the basis of the multi-modal data of the laryngoscope after the impedance control instruction is executed, updating the material parameters of ANSYSMechical through a strategy gradient algorithm. According to the method, the problem that optimization of closed-loop feedback driving parameters is missing is solved through a target function gradient direction and step size zooming mechanism.

A laryngoscope includes a curved blade including a proximal end, a distal end, and a first channel. The laryngoscope also includes a handle and a second channel. The handle includes a non-electric light source, e.g., a chemiluminescent light source. A catalytic agent in the chemiluminescent light source is activated by pressure on the chemiluminescent light source to generate light that transmits along the first channel. The second channel is disposed proximate and through the blade and configured to provide at least one of oxygen, suction, and an instrumentation into the proximal end and out of the distal end of the blade.

The invention relates to the field of medical equipment, in particular to a visual double-cavity laryngoscope and thyrocricocentesis integrated device for difficult airways, which comprises a double-cavity laryngoscope main body and a thyrocricocentesis device, the outer surface of the double-cavity laryngoscope main body is fixedly connected with a connecting plate, the other surface of the connecting plate is fixedly connected with a hemispherical shell, and the hemispherical shell is fixedly connected with the double-cavity laryngoscope main body. The integrated structural design is adopted, the core functions of a visual double-cavity laryngoscope and a cricothyroid membrane puncture instrument are organically integrated, the current situation that the two traditional instruments are independently used and need to be frequently switched is thoroughly changed, an operator can sequentially complete glottis exposure and tracheal intubation operation on the same device, and if intubation fails or a patient suffers from emergency oxygen deficit, the visual double-cavity laryngoscope and the cricothyroid membrane puncture instrument can be directly used. The cricothyroid membrane puncture device which is assembled in place can be directly used for implementing puncture without additionally replacing instruments, so that the operation continuity is greatly improved, the key time for establishing an airway is effectively shortened, and the oxygen deficit risk of a patient caused by instrument switching is fundamentally reduced.

The application provides a single-bending-degree support laryngoscope with variable rigidity and a method for using the same. The device comprises a bendable joint, a driving component and a variable rigidity structure. The distal joint, the middle joint and the proximal joint are hollow structures and are in communication with each other to form an operation channel. The variable rigidity structure is installed in the operation channel. The variable rigidity structure comprises a distal rod, a connecting rod, a translation rod, a proximal rod, a horizontal sliding block and a sliding block frame. The driving component comprises a rudder, a front side driving line, a back side driving line, a guide wheel, a limiting wheel, a driving wheel and a tension spring. The application can be freely bent at a certain angle to expose a lesion site and has a larger field of view. The back side driving line is connected in series with the tension spring, so that self-adaptive adjustment is realized, the structural compliance is enhanced, the system is stable, and the robustness is good. The angle adjustment and the rigidity enhancement realized are both stepless adjustment, the adjustment range is large, and the device is suitable for various application requirements.

The utility model relates to a visual laryngoscope for a difficult airway, which can effectively reduce operation difficulty and improve use convenience and comprises a laryngoscope handle, a display screen arranged above the laryngoscope handle and a first laryngoscope tube arranged below the laryngoscope handle, and the outer end of the first laryngoscope tube is connected with a second laryngoscope tube through a bendable adjusting portion. Annular clamping grooves are formed in the first mirror tube and the second mirror tube; a lens and an illuminating lamp are arranged at the front end of the second laryngoscope tube, and an adjusting handle for controlling the adjusting part to bend is arranged on the laryngoscope handle. The utility model further provides a trachea cannula protection sleeve device, iatrogenic airway infection can be effectively reduced, the trachea cannula protection sleeve device comprises an endoscope tube protection sleeve and a cannula protection sleeve which are arranged side by side, the outer walls of the endoscope tube protection sleeve and the cannula protection sleeve are fixedly connected together, the inner diameter of the endoscope tube protection sleeve is matched with the outer diameter of the endoscope tube, and two soft tightening parts corresponding to the clamping grooves are arranged on the endoscope tube protection sleeve. A rubber band is arranged at the tightening part; and a perspective lens is sealed at the front end of the lens tube protective sleeve.

A laryngoscope (10) having a body (20,42) including a handle, a laryngoscope blade (22) extending from a distal end of the body (20,42), and a display screen housing (18) extending from a proximal end of the body (20,42). The laryngoscope (10) has at least one unitary housing component (12) that defines at least a portion of each of the body (20,42), the laryngoscope blade (22) and the display screen housing (18).

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

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.

A video laryngoscope for managing the airway in an individual in need thereof, comprising: a substantially curved handle. The handle comprises an internal cavity which is open along its entire length on one of its sides and has a cap on the opposite side. Said cavity houses a blade of the video laryngoscope when it is folded over the handle, which is rotatably mounted to rotate 180° about the axis of symmetry of the handle by means of a pivot axis of a movable blade support that houses an automatic locking mechanism. The movable blade is connected to the support by means of a longitudinal slide and runs on the slide activating a lock of an extension-retraction mechanism. A monitor chassis is mounted at the proximal end of the handle that includes a TFT-LCD screen covered by a protective plate, the screen being connected to a printed circuit board comprising a plurality of image-adjustment controls and an on / off switch, connected respectively to four push-buttons sticking out through the monitor chassis. The board comprises a microprocessor with a video output port and a power source, the chassis comprises on the back of the monitor a housing for the articulated parts through a rotary coupling on a hollow axis with the handle of the laryngoscope; and the monitor is connected through the printed circuit board to a camera equipped with its own light arranged below the movable blade support.

In one embodiment, the laryngoscopy device includes a handle configured for grasping by an operator, a blade extending from the handle configured for insertion into a patient's trachea, a removable viewing window provided on the blade that allows the patient's airway to be viewed, and means for removing material from the viewing window that may obstruct the view of the airway.

The utility model relates to an adjustable universal auxiliary throat pressing device for a self-retaining laryngoscope, and belongs to the field of medical instruments. The device comprises a fixing rod, a connecting rod, a pressing seat and a pressing pad, the fixing rod is connected with one end of the connecting rod, the other end of the connecting rod is connected with the pressing seat, the pressing pad is arranged on the pressing seat, the pressing seat is of a C-shaped structure, and the pressing pad is made of silica gel or sponge. A pressure sensor is integrated in the pressing seat, the fixing rod, the connecting rod and the pressing seat are of an integrated structure, and the fixing rod is installed on the fixing mechanism.

A video laryngoscope system in which a video laryngoscope is automatically connected to one or more medical devices within a patient environment. The video laryngoscope may automatically perform an unfamiliar wireless connection process for each of a plurality of external devices at startup and without further user input to establish a wireless connection to each of the plurality of external devices. The video laryngoscope may then transmit images captured by the video laryngoscope camera to the plurality of external devices via the established wireless connection.

The utility model discloses a visual general anesthesia suit, relates to medical instrument technical field, including laryngoscope main part, the upper end of laryngoscope main part is fixedly connected with a display screen, the lower end of laryngoscope main part is inserted with a visual component, the lower surface of the visual component is fixedly connected with a support frame, one end of the support frame is fixedly connected with a camera, and the other end of the support frame is fixedly connected with a camera. The outer surface of the visual assembly is sleeved with a disposable laryngoscope lens shell, a through hole is formed in the lower portion of the interior of the disposable laryngoscope lens shell, a first air pipe is arranged in the through hole, one end of the first air pipe is fixedly connected with a sputum suction opening, and an air suction mechanism is arranged at the end, away from the sputum suction opening, of the first air pipe. By pressing the air bag, air in the air bag flows out of the measuring tube, then the air bag is loosened, the air bag rebounds, suction force can be generated, sputum generated by a patient is sucked into the air bag from the sputum suction opening, and observation work of the camera is facilitated.

The application discloses a difficult tracheal intubation auxiliary evaluation system and method suitable for a visual laryngoscope based on multi-modal data construction, and belongs to the technical field of data processing systems. The auxiliary evaluation system is provided with a data main line; a calculation unit and a result output unit are sequentially connected on the data main line; the calculation unit stores a computer program; the computer program runs a calculation method of a difficult tracheal intubation probability value when executed by a processor; the value calculation method is obtained through formula I: formula I: wherein, x s structured clinical data of the evaluated person; f s structured clinical feature coding function; W is a weight matrix; b is a bias term; I g,v body position image data of the evaluated person; f θ image feature extraction function; α g,v image attention weight of different visual angles in the same body position group when g takes the same value and v takes different values; β g inter-group attention weight of the body position group g in the body position image data of the evaluated person; and lambda is a modal fusion weight parameter; σ Sigmoid function.

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

This invention relates to the field of medical device technology, specifically a split-type support laryngoscope with a smoke mist function, comprising: a laryngoscope tube and a support plate; the support plate is detachably disposed on the outer periphery of the distal end of the laryngoscope tube, and together with the distal end of the laryngoscope tube, forms a suction cavity that can be connected to a suction device; a laryngoscope port is provided at the center of the laryngoscope tube; the proximal end of the laryngoscope tube is a fixed end, the top of which is fixedly connected to a handle; a suction connector is provided on one side of the fixed end; a suction hole is provided at the center of the suction connector; the suction hole communicates with the suction cavity; an abutment hole and a smoke hole are respectively provided on the tube wall of the corresponding area of ​​the suction cavity on the laryngoscope tube. The split-type support laryngoscope with a smoke mist function provided by this invention, through the sealed design of the separate support plate and laryngoscope tube, facilitates deep cleaning and disinfection of the suction hole and suction cavity after use, avoiding cross-infection.

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

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

Laryngoscopes may include surface finishes having a VDI 3400 Standard grade value of less than about 33 corresponding to an average roughness (RA) of less than about 4.5μm. Surface finishes may be present on one or more portions of a laryngoscope. An upper surface of a blade of a laryngoscope may include a surface finish on at least a portion of the blade having a VDI 3400 standard grade value in a range from about 15 to about 30. An upper surface of a blade may include a surface finish on at least a portion of the blade having a VDI 3400 standard grade value in a range from about 21 to about 24. A blade of a laryngoscope may include a surface finish on at least a portion of the blade having a VDI 3400 standard grade value in a range from about 27 to about 30.

The utility model discloses a bronchofiberscope auxiliary intubation visual laryngoscope blade which comprises a blade body and a guide tube, the guide tube is detachably connected to the blade body, a guide channel with two ends provided with openings and the periphery closed is formed between the guide tube and the blade body, and the guide channel is used for conducting auxiliary guide on a bronchofiberscope. Therefore, insertion of the bronchofiberscope can be guided, the time for entering the bronchofiberscope is saved, the bronchofiberscope can be conveniently used by unskilled personnel, and the situations of throat injury and oral cavity inner wall injury caused by repeated tracheal intubation due to the fact that the bronchofiberscope deviates from a path can be effectively avoided.

The utility model provides an ear-nose-throat inspectoscope which comprises a fitting plate, a connecting hose is arranged at the bottom of the fitting plate, a connecting groove is formed in the middle of the fitting plate, the connecting hose is aligned with the connecting groove, mounting grooves are formed in the two sides of the fitting plate, mounting holes are formed in the two sides of the inner wall of each mounting groove, and the inner wall of each mounting groove is connected with the corresponding mounting hole. And a limiting structure is rotationally connected into the mounting hole. The connecting hose makes contact with the tongue to limit the tongue, then the fiber laryngoscope is inserted into the oral cavity through the connecting hose and the connecting groove and enters the throat position, meanwhile, the rotating plate makes contact with the corners of the mouth, and the mouth is opened to be used for fixing the inspector subsequently. The oral cavity is prevented from directly extruding the connecting hose.

The present application relates to a kind of laryngoscopes, belong to medical instrument technical field, solve the existing technology in the patient of mouth opening restriction when using laryngoscope to carry out tracheal intubation auxiliary operation, laryngoscope is difficult to be placed and the operation space is susceptible to the influence of tongue body falling problem.The present application includes mirror body unit, the mirror body unit includes main mirror body, support wing and wing spread controller, the main mirror body is equipped with accommodating groove cavity;The support wing is arranged in accommodating groove cavity, and can extend or retract accommodating groove cavity;The wing spread controller is used to control the extension or retraction of support wing.The present application can accurately control the degree of support plate extension or retraction, so that the length of support plate extension can be adjusted according to the specific circumstances of patient, ensure that the laryngoscope can be placed in the oral cavity of mouth opening restriction patient, and simultaneously accurately provide suitable support force for patient tongue body, expand the operation space of tracheal intubation, improve the quality and efficiency of tracheal intubation operation.