363 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.

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

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.

The invention relates to the technical field of medical artificial intelligence, in particular to a difficult airway glottis feature intelligent identification method and system.The method comprises the steps that a breathing sound signal of a patient is collected through a miniature microphone embedded in a laryngeal mask, and a time-frequency graph is obtained through preprocessing; time-frequency domain feature self-adaptive extraction is carried out by adopting a three-channel parallel architecture, and a ring-shaped cartilage compression sound and a secretion interference sound are separated through a double-path noise feature learning network; capturing glottis features of different time scales from microcosmic to macroscopic by using a multi-scale glottis feature pyramid fusion technology; time sequence modeling is carried out through a BiGRU network and a time attention mechanism, and a glottis state sequence is identified; according to the method, a Cormack-Lehane grading result is determined based on a double-branch decision network and Bayesian decision reasoning, laryngoscope model recommendation is given, the difficult airway prediction accuracy rate is improved to 91.7% and is improved by 25%-30% compared with a traditional method, anesthesia related complications can be effectively reduced, and the success rate of first intubation is improved.

The multifunctional laryngoscope lens comprises a laryngoscope lens body and a pipeline channel arranged in the laryngoscope lens body, and the pipeline channel extends along the appearance of the laryngoscope lens body; the pipeline channel comprises a water supply pipeline, a soft lens pipeline and a suction pipeline which are sequentially arranged at intervals, and an endoscopic soft lens is inserted into the soft lens pipeline in a penetrating mode. A flow guide channel and a negative pressure channel are formed in the tail end of the pipeline channel, and the position of a lens of the soft endoscope does not exceed the opening position of the flow guide channel and the opening position of the negative pressure channel. By means of the design that the shape follow-up pipeline is embedded in the laryngoscope blade, the radial size of the multifunctional laryngoscope blade is reduced, foreign matter discomfort of a patient in laryngoscope operation is relieved, and the multifunctional laryngoscope blade is suitable for laryngoscope first-aid operation of a special patient in a limited oral cavity space. By additionally arranging the flow guide channel and the negative pressure channel, the laryngoscope lens can be effectively cleaned, and the function of controlling the flushing force of the lens is achieved through the flow speed monitoring unit and the calculation and visualization unit.

The invention discloses an anesthesia intubation auxiliary device, and belongs to the technical field of anesthesia instruments, the anesthesia intubation auxiliary device comprises a clamping mechanism and an adjustable fixing support arranged above the clamping mechanism, the end part of the adjustable fixing support is provided with a mounting support, and the side wall of the mounting support is sequentially provided with an opening mechanism and a U-shaped fitting plate from top to bottom; the opening mechanism downwards penetrates through the U-shaped attaching plate, an intubation positioning mechanism is arranged in the U-shaped attaching plate in a sliding mode, a follow-up centering assembly is arranged between the intubation positioning mechanism and the opening mechanism, the intubation positioning mechanism is arranged at the end, away from the adjustable fixing support, of the U-shaped attaching plate, and a laryngoscope fixing mechanism is arranged on one side of the mounting support. According to the anesthesia intubation auxiliary device, the laryngoscope fixing mechanism is arranged, the laryngoscope can be automatically fixed after the glottis is completely exposed, and therefore the hands of medical workers are liberated in the trachea intubation process, and intubation is convenient.

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 discloses a multi-modal-based vocal cord cancerous lesion feature extraction method and analysis system. The method comprises the following steps: step 1, acquiring biochemical indexes, audio and laryngoscope pictures of patients with polyps, precancerous lesions and cancerous lesions in otolaryngological departments of cooperative hospitals in several years as multi-modal data; 2, image processing; 3, constructing a network model based on a deep learning architecture; and 4, performing model preheating by adopting a cross entropy loss function and a self-adaptive optimizer. The lesion feature extraction and analysis system comprises a data acquisition and processing module, a model training and evaluation module and a classification result output module; wherein the data acquisition and processing module executes the steps of data acquisition and data processing, the model training and evaluation module constructs a model based on a deep learning architecture, and the method has the beneficial effects that the omission and error rate of feature extraction is effectively reduced, the success rate of early feature discovery is improved, and the stability and reliability of a feature extraction result are improved.

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 technology relates to incorporating video laryngoscope data into the electronic medical record (EMR) of a patient. An example intubation system includes a patient terminal, a wireless hub, and a video laryngoscope. In an example method, the patient terminal accesses the electronic medical record of the patient; and receives, from the wireless hub wirelessly coupled to a video laryngoscope, intubation data generated by the video laryngoscope during an intubation procedure of a patient. The intubation data includes video data captured by the video laryngoscope and metadata for the video data generated by the video laryngoscope. The patient terminal then concurrently displays at least a portion of the intubation data with fillable fields of the electronic medical record; receives at least one interaction with the electronic medical record during the concurrent display; and stores the electronic medical record based on the at least one interaction.

The invention relates to a rigid, curved laryngoscope. The laryngoscope is characterised in that it has a rigid, curved body, a light source and image-capturing unit integrated in the body and two channels, each suitable for accommodating a flexible surgical instrument, which is suited for a mechanical intervention at the operation site. The laryngoscope according to the invention can be simply and economically produced and is suited for repeated use. It is also mechanically stable and can be handled quickly and easily.

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.

The utility model discloses a laser laryngeal microsurgical instrument which comprises a laryngeal handle, a laser laryngeal microsurgical instrument body and a control device. The hollow guide tube is installed on the laryngeal handle, and the length of the hollow guide tube ranges from 25 cm to 30 cm. The length of the hollow guide tube is set to be 25-30 cm, in the actual operation process, a doctor can conduct the self-retaining laryngoscope operation in a relatively comfortable posture, in the long-time working process, the hands of the doctor are not prone to fatigue, the self-retaining laryngoscope guide tube can be more suitable for the self-retaining laryngoscope operation, and the operation completion quality can be improved to a great extent.

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.

1. Name of the design product: Nasopharyngolaryngoscope. 2. Use of the design product: For medical units to conduct examinations and treatments on the mouth, nose, pharynx, and larynx in clinical practice, and to be used in conjunction with equipment such as electronic endoscope image processors. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.

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 relates to the technical field of anaesthetic laryngoscopes, in particular to an anaesthetic laryngoscope surface anesthesia device which comprises a handle, a laryngoscope blade is arranged at the bottom end of the handle, a displayer is arranged on the upper portion of the side edge of the handle, a needle cylinder is arranged in the handle, and an injection tube is fixedly connected to the bottom end of the needle cylinder. An injection assembly is arranged on the upper portion of the needle cylinder, a feedback assembly is arranged in the middle of the side edge of the handle, and an adjusting assembly is arranged outside the injection tube. Compared with the prior art, the injection assembly is arranged, a rotary knob is rotated to drive a rotary rod to rotate, a driving wheel is driven to rotate under transmission of a first bevel gear and a second bevel gear, the driving wheel rotates to stir a rack to move, a push rod pushes a piston to move in a needle cylinder, and anesthetic is pushed into an injection pipe from the needle cylinder and sprayed out; stable and slow anesthetic injection is realized, and the situation that the device deviates and shakes due to direct pushing can be avoided, so that the discomfort of a patient is reduced.

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.