194 results about "Laryngoscopes" patented technology

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 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 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.

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.

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 technology relates to a medical system that includes a video laryngoscope, an endoscope connector removably attached to a housing of the laryngoscope, and a steerable endoscope having an electrical interface at the proximal end for receiving steering commands from the laryngoscope. The endoscope connector is attached to the video laryngoscope using one or more magnets and includes several additional mechanical features configured to inhibit lateral and vertical movement of the connector relative to the laryngoscope. The connector includes a port into which the proximal end of the endoscope is inserted. The connector includes an electrical interface that, when the connector is attached to the laryngoscope and the endoscope is inserted into the port of the connector, is in contact with both an electrical interface of the laryngoscope and an electrical interface of the endoscope, thereby providing an electrical connection between the laryngoscope and the endoscope.

The invention relates to the technical field of laryngoscope cannulas, in particular to a laryngoscope cannula blade capable of preventing tooth injury. The laryngoscope comprises a laryngoscope blade and a handle, a nose ridge supporting assembly is arranged at the tail end of the unslotted side of the laryngoscope blade, the nose ridge supporting assembly and the laryngoscope blade are detachably connected, the nose ridge supporting assembly comprises a shell, a support and a bracket, the support is in an L shape, the long arm end of the support is movably installed in the shell, the short arm end of the support is connected with the bracket, and the bracket is rotatably attached to the nose ridge bone. A rotating shaft is arranged at the tail end of the long arm end, a sliding groove and a rotating groove are formed in the shell, the support slides to adjust the extension length of the support and rotates to adjust the angle through the rotating shaft to adapt to oral dissection differences of different patients, and the nasal ridge supporting assembly further comprises a locking mechanism used for stabilizing and fixing the support. The stress fulcrum is transferred to the nasal ridge bone through the nasal ridge supporting assembly, teeth are prevented from being used as the fulcrum, and the risk of tooth injury is reduced.

The application discloses a box type supporting laryngoscope operation simulation training device, which comprises a box body and a larynx body simulation training module. An instrument operation port is formed on the front surface of the box body, and the angle between the instrument operation port and the larynx body simulation training module is an acute angle. The larynx body simulation training module comprises a perforable circular ring and a reversed V-shaped adhesive tape, and the adhesive tape is located at the back side of the circular ring. The box type supporting laryngoscope operation simulation training device is formed by combining the box body and the larynx body simulation training module, and the instrument operation port is formed on the box body. The surgical instrument is placed into the instrument operation port, reaches the operation area of the larynx body simulation training module in the box, and performs corresponding laryngoscope operation simulation operation, thereby forming a simplified simulation, making the simulation operation simpler, being suitable for primary skill training, and being capable of practicing by taking other simulation objects as carriers. The device can be used for training at any time by using the spare time, and is easy to popularize.

The utility model relates to the technical field of laryngoscopes, in particular to an angle-adjustable self-retaining laryngoscope which comprises a laryngoscope tube, silica gel strips are adhered to the top and the rear side of the laryngoscope tube, an elastic steel bar is fixedly connected to an inner cavity of each silica gel strip, and the left side of a mounting vertical plate at the top is connected with a miniature camera and provided with a mounting hole through bolts. When the adjusting screw is rotated anticlockwise, the adjusting screw moves leftwards, the connecting transverse plate on the surface of the adjusting screw moves leftwards, the traction ropes on the two sides move leftwards, the left side of the laryngoscope tube bends upwards under the action of the elastic steel bar, when the adjusting screw is rotated clockwise, the traction ropes are tensioned rightwards, and the left side of the laryngoscope tube bends downwards. Similarly, the left side of the laryngoscope tube can be bent forwards or backwards by rotating the adjusting screw rod on the rear side according to the operation, so that the laryngoscope tube can be bent and adjusted up and down and back and forth, the throat of a patient can be supported conveniently, and medical staff can watch the laryngoscope conveniently.

The utility model relates to the technical field of medical instruments, in particular to an auxiliary air pillow suitable for tracheal intubation, which comprises a shoulder bolster, a neck bolster is arranged on one side of the shoulder bolster, one side of the neck bolster far away from the shoulder bolster is communicated with a head bolster, and the neck bolster is in a slope shape. A first air bag is installed in the shoulder bolster, a second air bag is connected in the neck bolster and the head bolster, the first air bag and the second air bag are both connected with an inflation pipe, and the other end of the inflation pipe is connected with an inflation pump. According to the utility model, through the arrangement of the shoulder bolster, the first air bag is inflated, so that the placement function of a cannulation body position of a classical laryngoscope body position can be realized; through the arrangement of a head pillow and a neck pillow, a second air bag is inflated, so that the placement function of an intubation position at a flower smelling position can be realized; the two intubation body positions are placed, so that the problems of insufficient glottis exposure and high operation difficulty are solved.

The utility model belongs to the technical field of bronchoscope oral intubation, and particularly relates to a bronchoscope oral intubation guiding device which comprises a supporting sleeve, the supporting sleeve comprises a connecting sleeve, a first telescopic sleeve, an extrusion sleeve and a guiding sleeve, the bottom of the connecting sleeve is fixedly connected with the first telescopic sleeve, the bottom of the first telescopic sleeve is fixedly connected with the extrusion sleeve, and the guiding sleeve is fixedly connected with the extrusion sleeve. A guide sleeve penetrates through the bottom of the extrusion sleeve, the upper end of the guide sleeve penetrates through the top surface of the connecting sleeve, and a bronchoscope pipeline penetrates through the inner side of the guide sleeve. The supporting sleeve is inserted into the throat of a patient, so that the throat of the patient is supported by the supporting sleeve, and then a medical worker can operate a bronchoscope pipeline with two hands, so that the bronchoscope pipeline penetrates through the middle of the supporting sleeve to be inserted into the trachea of the patient. When the bronchoscope tube is held by one hand, the operation is troublesome, and the bronchoscope tube can be more conveniently inserted into the bronchoscope tube through guiding and supporting of the supporting sleeve.

The present invention provides a video laryngoscope (100) to perform the intubation process. The video laryngoscope (100) includes a handle (10), a blade (20), a display unit (30), and an attachment assembly (25). The handle (10) includes a camera housing (16) with an image sensor (161) and a light source (162) arranged therein. The image sensor (161) is attached to the handle (10) through a camera channel (15) to visualise the path of the endotracheal tube. The camera housing (16) has a deflector (18) to avoid the blurry and distorted visuals generated due to the scattering of the light from the light source (162). The blade (20) is arranged on the handle (10) to cover the handle (10) and the camera channel (15). Further, the display unit (30) is provided for better visibility of the display screen (34) to visualise the path of the endotracheal tube.

The invention belongs to the field of animal model construction, and discloses a method for constructing a chronic obstructive pulmonary disease rabbit model. Comprising the following steps: under the condition that the ethics of experimental animals are met, anesthetizing a rabbit, exposing an airway by using an animal laryngoscope, immediately using a brush with a proper size to enter the airway, and repeating controllable physical scraping injury to complete injury; after the rabbits are awakened, the rabbits continue to be raised, and protease atomization treatment is conducted on the rabbits in the raising process. According to the methods of some examples, complex gene manipulation or expensive long-term smoke exposure equipment is not needed, operation is easy, tracheal puncture, intubation and tracheotomy are not needed, damage to rabbits is small, the modeling period is short, repetition is easy, the success rate is high, the experiment cost is low, and model rabbits have the advantages of being consistent in damage degree and stable in pathological change. According to the methods of some examples, the physical damage degree and the protease dosage are controllable, so that the consistency and the stability of the model are remarkably improved, the repeatability is good, and the success rate is high.