35 results about "Nasal endoscope" patented technology

The invention relates to a minimally invasive implantable frontal lobe brain-computer interface method and device, and the method comprises the steps: constructing an individualized brain three-dimensional model according to CT and MRI image data of a patient, presetting an optimal nasal implantation path, and carrying out the implantation of the patient through a nose under the dual guidance of a nasal endoscope and a three-dimensional navigation system, constructing a skull base passage through minimally invasive trimming of a nasal cavity / paranasal sinus structure, and performing real-time matching and overlapping on an endoscope view and the three-dimensional model by using a rigid body transformation algorithm to display the position of a surgical instrument; windowing at a preset target point, implanting the flexible electrode array into a target brain region according to a planned depth and angle through a controllable propulsion mechanism, and establishing a neural signal acquisition or stimulation interface; intelligent mode recognition is carried out on the collected neural signals, the intention or brain state of the user is decoded, and corresponding neural stimulation or feedback signals are generated. According to the method, accurate, safe and minimally invasive clinical intervention is realized through a full-chain technical scheme of individualized planning, real-time navigation, minimally invasive implantation and biological integration, and the application value of a brain-computer interface technology is remarkably improved.

The present invention discloses a method, system, and medium for automatic robot path generation. The method comprises: collecting a sequence of nasal endoscope images to be input; performing feature analysis on the nasal endoscope images using a nasal endoscope image feature extraction model to obtain features of the nasal endoscope image sequence, wherein the nasal endoscope image feature extraction model is trained using a natural image dataset; inputting the extracted nasal endoscope image sequence features into a nasal endoscope pose estimation model to estimate the pose matrix of the nasal endoscope, wherein the nasal endoscope pose estimation model is trained using multiple sets of image pose matrices; and combining the nasal endoscope pose matrices in a time series to obtain the robot's motion trajectory. The present invention can achieve real-time and accurate automatic path generation for the robot based on the image sequence.

The invention provides a traditional Chinese medicine preparation for treating or improving chronic rhinitis, and relates to the field of traditional Chinese medicine pharmacy, and the traditional Chinese medicine preparation comprises patrinia, herba siegesbeckiae, Japanese metaplexis pericarp, oroxylum indicum, adenophora stricta, radix ophiopogonis, radix polygonati officinalis, rhizoma sparganii, fructus kochiae, schizonepeta, cortex dictamni, cortex lycii radicis and salvia chinensis. The traditional Chinese medicine preparation can effectively inhibit LPS-induced excessive inflammatory response of HNEpC, also can significantly reduce VAS score, SNOT-20 score and nasal endoscopic Lund-Kenne score of chronic rhinitis patients, effectively relieves core symptoms such as nasal obstruction, running nose and hypoolfaction, relieves negative effects of diseases on sleep, emotion and daily activities of the patients, relieves nasal mucosa edema, reduces abnormal secretions, and has a good treatment effect on chronic rhinitis. The repair of damaged mucosa is promoted, and the organic lesion of the nasal cavity is effectively improved. The traditional Chinese medicine preparation has high total clinical treatment rate, provides a better and safer new scheme for clinical treatment of chronic rhinitis, and has important clinical application value.

The invention relates to the technical field of biomedical materials, and discloses a preparation method of an injectable composite support material for denasal endoscopic skull base reconstruction, and the method comprises the following steps: preparing a component A aqueous solution and a component B non-aqueous phase paste; the component A comprises a hyaluronic acid derivative grafted with dopamine and alginate. The component B is paste in which calcium salt solid-phase particles, enzyme, polymer microspheres and nanoscale fumed silica are dispersed in a non-aqueous phase dispersion medium, and the nanoscale fumed silica is used for inhibiting solid-phase particle sedimentation. According to the method, the prepared component A and the prepared component B are respectively packaged in a double-component application device. According to the invention, active components are isolated in a non-aqueous phase, and controllable operation time, firm adhesion to tissues and mechanical support provided by polymer microspheres are realized through a staged curing mechanism of ionic crosslinking and enzymatic crosslinking during use; the problem that an existing material is difficult to consider storage stability, operation convenience and composite functionality at the same time is solved.

The present invention provides a fully automatic robot-assisted nasal endoscopy method and system, including a nasal endoscope, an image preprocessing module, an optical positioning module, a motion planning module, a force sensing module, and a control module. The fully automatic nasal endoscopy method includes the following steps: the robot clamps the nasal endoscope to an initial position; obtains an endoscopic image, and preprocesses the endoscopic image for image enhancement and optical flow estimation; inputs the endoscopic image, the corresponding optical flow map, and the current state of the robot into a deep learning network for motion and path planning; monitors the contact between the endoscope and the nasal tissue based on a force sensor system provided on the endoscope; and controls the robot's motion based on motion planning results and force feedback data. The present invention adopts the above-mentioned fully automatic robot-assisted nasal endoscopy method and system to control the robot to fully automatically perform the nasal endoscopy inspection process, thereby improving the efficiency and stability of nasal endoscopic surgery and diagnosis and treatment.

The nasal cavity protection device comprises an inner layer (1) and an outer layer (2) which are integrally arranged, the surface of the inner layer is sleeved with the outer layer (2), a transition section where the inner layer (1) and the outer layer (2) are integrally connected is of a retractable and rebounding structure and serves as an extending-in end (3) extending into the nasal cavity, and a port of the other end of the inner layer (1) is turned outwards and reversely sleeved to form a protection cover. And a protruding end (4). Compared with the prior art, the nasal cavity protection device for the transnasal endoscopic surgery channel has good contraction resilience performance, can adapt to nasal cavities of different shapes and sizes, and can effectively protect mucous membranes of the nasal cavities.

The utility model relates to a suction tube fixing device of a nasal endoscope, which comprises the nasal endoscope and a suction tube, and further comprises a main body fixing column, the main body fixing column is made of an elastic material, a first through hole and a second through hole which are parallel to each other are arranged in the main body fixing column, and both the first through hole and the second through hole penetrate through the front end and the rear end of the main body fixing column. The first through hole is in interference fit with the front end of the nasal endoscope, and the second through hole is in interference fit with the front end of the suction tube. Compared with the prior art, the nasal endoscope and the suction tube can be grasped by one hand during use, the other hand of a doctor is liberated, surgical instruments can be conveniently taken for surgical operation, the whole device is convenient and reliable to use, and the working efficiency of the doctor is greatly improved.

The retractable nasal endoscopic lacrimal sac incision knife comprises a knife handle, a retractable mechanism is arranged in the knife handle and comprises a knife head sliding switch in the middle of the knife handle, a spring plunger is arranged at the end, penetrating through a push rod, of the knife head sliding switch, and the spring plunger is located in a limiting hole to limit the push rod; one end of the push rod is connected with a rhombic cutter head through a cutter head sheath tube, and the rhombic cutter head comprises a cutter handle on the upper portion, a rhombic cutter tip at the bottom and sharp cutting edges with the cutter tip gradually widened towards the two sides. According to the lacrimal sac incision knife, the knife head sliding switch is a thumb sliding type push button, the length of the lacrimal sac incision knife can be controlled under an endoscope through the telescopic design that the knife head sliding switch drives the push rod and the rhombic knife head to move, and the situation that the surgical field is affected due to nasal cavity mucosa bleeding is damaged is avoided; anti-slip lines are designed on the knife handle, so that the knife handle is suitable for single-hand fine operation; the rhombic tool bit is formed by precisely grinding medical 316L stainless steel.

The utility model relates to the technical field of medical auxiliary equipment, in particular to a nasal endoscopic postoperative nasal paste which comprises fixing bands and a skin attaching layer, binding bands are movably installed on the fixing bands, the fixing bands are symmetrically installed on the two sides of the skin attaching layer, and fixing strips are fixedly installed on the sides, close to the skin attaching layer, of the fixing bands. The fixing strips are symmetrically and fixedly installed on the two sides of the skin attaching layer. Compared with the prior art, air circulation is promoted through the funnel-shaped holes in the surface layer, wound dryness is maintained, and exudate is guided to flow; the outer display layer is made of a PE (polyethylene) material and is not easy to leak to the outer surface; the binding belt realizes personalized fitting degree and is convenient to use and store on one side; the outer layer structure can visually display the bleeding amount, feedback is provided through color change and expansion of polyurethane foam, continuous monitoring is achieved, self-monitoring and timely replacement of a patient are facilitated, and the infection risk is reduced.

The invention provides an eCRSwNP nasal endoscopic postoperative treatment method for regulating acidophilic granulocyte activity based on acupuncture, and relates to the technical field of traditional Chinese medicine for preventing and treating nasosinusitis diseases. According to the eCRSwNP nasal endoscopic post-operation treatment method for adjusting the acidophilic granulocyte activity based on acupuncture, accurate adjustment of the acidophilic granulocyte activity is achieved through a synergistic scheme of a nasal endoscopic operation, perioperative drug treatment and standardized acupuncture treatment, the postoperative recurrence rate is reduced, and the nasal symptom and life quality of a patient are improved. Acupuncture point selection, operation specifications, treatment frequency and treatment course of acupuncture are defined, a repeatable and generalizable standardized treatment scheme is formed in combination with strict patient screening standards, a quality control system and ethical guarantee, the technical problems that existing eCRSwNP postoperative treatment is lack of targeted immunoregulation means and the recurrence rate is high are solved, and the therapeutic effect of the eCRSwNP postoperative treatment is improved. And a new clinical path is provided for traditional Chinese medicine intervention on refractory nasosinusitis diseases.

The invention relates to a medicated thread for treating nasopharynx cancer, a preparation method and a treatment method, and belongs to the field of medical treatment, the medicated thread is prepared by fusing toad skin small molecule peptide extracted by soaking with acetic acid, iron ions provided by medicinal ferrous sulfate and iodine glycerin. The treatment method comprises the following steps: precisely embedding the medicated thread into a nasopharyngeal tumor under the guidance of a nasal endoscope, and combining microwave treatment after 3-5 days. The synergistic effect of the Fenton reaction initiated by iron ions and the tumor anti-oxidation system inhibited by the toad skin small molecule peptide effectively induces ferroptosis of tumor cells, and the treatment effect is enhanced by combining the heat effect of microwaves. According to the invention, minimally invasive targeted therapy is realized, anti-tumor immunity of a body can be activated, and a new treatment strategy is provided for nasopharynx cancer.

The invention relates to the technical field of medical equipment, and discloses a transnasal endoscopic surgery channel device which comprises an upper shell medical equipment technology and a lower shell medical equipment technology, and a middle release position mechanism is arranged between the upper shell medical equipment technology and the lower shell medical equipment technology. The upper shell medical equipment technology and the lower shell medical equipment technology are both used for providing installation positions, the moving mechanism medical equipment technology is arranged between the upper shell medical equipment technology and the lower shell medical equipment technology, and the positioning mechanism medical equipment technology is arranged in the upper shell medical equipment technology. The retreating and feeding of the internal thread piece and the outer sheath tube are controlled through the rotation of the middle release position piece, so that the outer sheath tube can be controlled to reset when the sheath net does not completely leave from the interior of the outer sheath tube, the sheath net is sleeved with the outer sheath tube again, then the sheath net can be recycled, an error space can be reserved for an operator, and the safety of the operator is improved. The error-tolerant rate of an operator is improved, and the operation difficulty is reduced.

This invention discloses a nasal endoscope driving method, electronic device, and storage medium, belonging to the field of image data processing technology. The method includes: acquiring real-time insertion images within the nasal cavity using an endoscope; determining the real-time insertion position reached by the endoscope based on the real-time insertion images and a preset endoscopic navigation path, and determining the amount of secretions at the real-time insertion position based on the real-time insertion images; determining the movement speed parameter of the endoscope at the real-time insertion position based on preset collision parameters corresponding to the real-time insertion position and the amount of secretions at the real-time insertion position; and adjusting the real-time driving speed of the endoscope's drive motor based on the movement speed parameter. This invention can rationally drive the nasal endoscope to move inside the nasal cavity, avoiding damage to the nasal mucosa caused by inappropriate movement speed of the nasal endoscope, reducing intraoperative discomfort during nasal endoscopy, and improving postoperative recovery.

The invention relates to the field of medical instruments, in particular to a dry eye detection and analysis system based on a nasal endoscope, which comprises a user interaction module, a dry eye detection module, a data processing module and a dry eye analysis module, the user interaction module is used for receiving a user instruction and patient data, the dry eye detection module is used for carrying out various dry eye detection on a patient and collecting detection data, and the data processing module is used for carrying out data processing on the detection data of the dry eye detection module and the patient data of the user interaction module. And the dry eye analysis module is used for analyzing the dry eye condition of the patient according to the processed data and outputting a disease treatment effect index of the patient. According to the scheme, the operation effect is analyzed by comparing the dry eye conditions before and after the operation, and the corresponding disease treatment effect index is obtained, so that the postoperative rehabilitation condition of the patient is judged, a subsequent treatment scheme is formulated according to the rehabilitation condition, and the risk of disease relapse is reduced.

The utility model discloses a cold compress device suitable for being used after nasal endoscopic surgical treatment, which comprises a cold compress component laid on the nose of a patient, a liquid injection component used for conveniently injecting condensed liquid into the inner cavity of the cold compress component is arranged on the cold compress component, and a binding component used for conveniently fixing the cold compress component on the nose of the patient is arranged on the cold compress component; the cold compress assembly comprises a cold compress bag; the cold compress bag is designed to be of a pi-shaped structure and can be attached to the nose of a patient, more accurate cold compress operation can be carried out on the nose of the patient, 10% strong brine is adopted as condensed liquid to be injected into the cold compress assembly, shape adjustment can be carried out according to individual differences of the nose of the patient, and the cold compress efficiency is improved. The skin-friendly bag is beneficial to improving the skin-friendly performance of the cold compress bag, the phenomenon that the cold compress bag makes direct contact with the skin of a patient to cause frostbite is avoided, the cold compress assembly can be fixed to the head of the patient through the binding assembly, and the cold compress bag has the advantages of fitting performance, plasticity, comfort and convenience.

The invention provides a nasal polyp automatic grading model training method, a scoring method, a system and equipment, and relates to the technical field of image analysis. In order to solve the problem that automatic grading of nasal polyp of a chronic sinusitis patient is difficult to realize in the prior art, an endoscopic image set containing different grades of nasal polyp score marking information is constructed based on nasal endoscopic image data of the patient, and a preset target detection model is trained by using the image set, so that the classification of the nasal polyp of the chronic sinusitis patient is realized. Therefore, the preset target detection model can directly learn and internalize the international standard of nasal polyp grade scoring, and then the preset target detection model can stably learn the nasal endoscope characteristics covering each scoring grade through the full-process training of data enhancement, cross validation and hyper-parameter tuning, so that the accuracy of the nasal endoscopy is improved. And the output nasal polyp grade score has both automation and accuracy, so that the core technical bottleneck of automatic nasal polyp grading under the endoscope is solved.

This application discloses a multimodal electromagnetic navigation-assisted transnasal endoscopic anatomical measurement device and method for a fresh cadaver head. The method is applied to the control module of the device, which also includes an endoscope module and an electromagnetic tracking module. The method includes: obtaining multimodal image information corresponding to the fresh cadaver head to be measured; generating a three-dimensional model of the fresh cadaver head based on the multimodal image information; obtaining a target position corresponding to a preset key anatomical structure in the three-dimensional model; the key anatomical structure includes at least one or more of the nasal cavity, sinuses, blood vessels, and nerves; when the endoscope module enters the nasal cavity of the fresh cadaver head, obtaining magnetic field information sent by the electromagnetic tracking module; calculating the spatial position of the electromagnetic tracking module in the three-dimensional model based on the magnetic field information; generating navigation information corresponding to the endoscope module based on the spatial position and the target position, the navigation information including direction information and distance information; and moving the endoscope module to the target position based on the navigation information.

A method for constructing a clinically-relevant large animal model of traumatic optic neuropathy, employing a goat with orbital anatomy and optic nerve structure similar to humans as a model animal, overing the defects existing in other animals as TON model animals. The target model goat is obtained by screening parameters, such as a maximum transverse diameter of a coronal plane of a body of sphenoid bone and a wall width of a sphenoid bone, thereby facilitating the exposure of an optic nerve in a optic-canal segment under a nasal endoscopic surgery and quantitative injury. With the optic nerve injury animal model, the clinical TON pathogenesis can be explored by studying the optic nerve at the injured optic canal. In the prepared TON animal model, the injured optic nerve is closer to the brain, which is beneficial to rebuilding the synaptic connection.

The embodiment of the invention provides an adenoid hypertrophy image recognition method and system based on a visual nasal endoscope. The method comprises the steps that a nasal endoscope image of a patient is acquired; wherein the nasal endoscope image comprises at least one of a nasal cavity image, a nasal meatus image and a nasopharynx image; determining an image type corresponding to the nasal endoscope image; selecting a corresponding sub-adenoid hypertrophy image recognition model from the adenoid hypertrophy image recognition models based on the corresponding relationship between the image types and the image models, recognizing the nasal endoscope image through the sub-adenoid hypertrophy image recognition model, and determining a diagnosis result of adenoid hypertrophy; wherein the adenoid hypertrophy image recognition model is obtained by training a plurality of different nasal endoscope sample images; the image model corresponding relation is a mapping relation between a preset image type and the subadenoid hypertrophy image recognition model. According to the scheme, the image recognition accuracy of adenoid hypertrophy can be improved.

The utility model discloses a lens and suction tube fixing device for nasal endoscopic surgery, which comprises a first isolation plate, a transmission component, a first connecting arm, a second connecting arm, a second isolation plate and a locking component, and a driving shaft, a first rotating shaft and a second rotating shaft are rotatably arranged on the first isolation plate; the transmission assembly is arranged on the driving shaft, connected with the first rotating shaft and the second rotating shaft and used for driving the first rotating shaft and the second rotating shaft to rotate; the first connecting arm is arranged on the first rotating shaft, and a first sleeve hole for fixing a nasal endoscope is formed in the first connecting arm; the second connecting arm is arranged on the second rotating shaft, and a second sleeve hole for fixing the aspirator is formed in the second connecting arm; the second isolation plate is arranged on the driving shaft, the first rotating shaft and the second rotating shaft, and is positioned above the first connecting arm and the second connecting arm; the locking assembly is arranged on the second isolation plate, connected with the driving shaft and used for locking the driving shaft. The distance between the nasal endoscope and the aspirator can be adjusted, and the nasal endoscope is convenient to use.

The application relates to a nasal cavity protection device for a transnasal endoscopic surgery channel, which comprises an inner layer (1) and an outer layer (2) which are integrally arranged, wherein the outer layer (2) is sleeved on the surface of the inner layer, the transition section of the integral connection between the inner layer (1) and the outer layer (2) is a retractable and resilient structure, the inner layer (1) is used as an insertion end (3) which is inserted into the nasal cavity, the port at the other end of the inner layer (1) is outwardly folded and reversely sleeved to form a protective cover which is used as an extension end (4). Compared with the prior art, the device has good retractable and resilient performance, can be self-adapted to nasal cavities with different shapes and sizes, and can effectively protect the transnasal endoscopic surgery channel nasal cavity protection device.

The utility model provides an anastomat device for a dacryocystitis operation under a nasal cavity endoscope, and relates to the technical field of medical instruments.The anastomat device comprises an anastomat of a U-shaped structure, and the two side wall ends of the opening end of the anastomat of the U-shaped structure extend outwards to form bent parts used for making contact with forceps arms of implantation forceps in an attached mode; a spring bolt and a lock catch structure are respectively arranged on two inner side walls of the opening end of the anastomat close to the U-shaped structure; the anastomat is used in cooperation with the implantation pincers, the open end of the anastomat is wrapped in the lacrimal sac mucosa and the nasal mucosa, pressure is applied through the implantation pincers, the spring bolt of the anastomat penetrates through the lacrimal sac mucosa and the nasal mucosa and then is locked with the lock catch, and the lacrimal sac mucosa and the nasal mucosa are pressed by the two inner side walls of the anastomat of a U-shaped structure. Suturing is not needed, and use and operation are convenient; meanwhile, after the anastomat of the U-shaped structure is anastomosed, the lacrimal sac stoma can be completely opened, stoma closing in the recovery period is reduced, and the surgical healing effect is improved.

The application discloses a dynamic positive and negative pressure coordinated secondary throwing type manual nasal washing device and a use method thereof. The nasal washing device is composed of a main body which is integrally formed of a flexible resilient material, the main body contains an olive-shaped sealing head matched with a nostril and a capsule-shaped head manually extruded, the two are communicated to form a cavity containing a nasal washing liquid, a neck is arranged at the connecting position, a sterile film is arranged at the opening of the sealing head, and the elastic modulus of the main body material is accurately configured. The cavity is pre-filled with a rheological modified nasal washing liquid containing sodium carboxymethyl cellulose, glycerol and hypertonic sea salt. The use method is to generate a pulse type positive pressure by rapid extrusion, release the negative pressure generated by the capsule-shaped head, and repeat the positive and negative pressure operation to realize the circulation and emptying of the secretion. The application realizes the accurate cleaning of the nasal cavity anatomical dead space, significantly improves the biofilm removal efficiency, takes into account the use safety and the mucosa repair effect, is a secondary throwing type design, is simple and convenient to operate and carry, and can be widely applied to the nursing of chronic sinusitis and allergic rhinitis and the postoperative rehabilitation of nasal endoscopy.

The utility model provides a nostril expansion protection device before a nasal endoscopic surgery. The nostril expansion protection device comprises a nostril protection cover, wherein one side of the nostril protection cover extends into a nostril; the nostril shield is in a U shape, and the other side of the nostril shield is provided with an upper lip shield which is integrally formed with the nostril shield. According to the nostril expansion protection device before the nasal endoscopic surgery, the nostril protection cover is designed to be in a U shape and can be attached to the natural shape of the nostril, meanwhile, the integrally-formed upper lip protection cover can provide additional protection for the nostril opening, and damage to the areas when surgical instruments enter and exit the nostril and are used in the nasal cavity is reduced. By means of the design, the risks of damage and burn are reduced, formation of local scars is reduced, therefore, the face attractiveness of a patient is protected, and the possibility of doctor-patient disputes is reduced.

This invention discloses an end-expandable neuroendoscopy, belonging to the field of medical device technology. The invention includes an endoscope body, an end-expanding mechanism, and a control handle. The endoscope body is a hollow tubular structure with an imaging channel, an illumination channel, and an instrument channel inside. Multiple radially extending storage grooves are formed on the distal wall of the tube. The end-expanding mechanism is located inside the endoscope body and includes a drive rod sleeved outside the imaging channel and multiple arc-shaped expansion flaps. One end of the drive rod extends through the control handle, and the other end is hinged to the arc-shaped expansion flaps. In the closed state, the arc-shaped expansion flaps are completely stored in the storage grooves. By rotating the expansion adjustment knob on the control handle, the drive rod can be moved axially, controlling the arc-shaped expansion flaps to flip out or retract from the storage grooves, thus achieving the opening and closing of the end. This invention has a simple and compact structure, allowing for channel establishment and surgical operation to be completed in a single insertion, effectively reducing brain tissue damage and simplifying the surgical procedure.

A nasal endoscope with a flushable lens relates to the field of medical instruments and comprises an extension rod, an optical lens, a holding handle, imaging equipment, a flushing device and a liquid suction device. The optical lens is arranged at the end of the extension rod; the holding handle is coaxially connected with the extension rod; the imaging equipment extends into the extension rod from the holding handle and is connected with the optical lens for presenting an image; the flushing device comprises a spraying pipe and a spraying mechanism, and the spraying pipe is arranged in the extension rod and faces the mirror surface of the optical lens; the liquid suction device comprises a liquid suction pipe, a liquid suction head and a negative pressure mechanism. Water can be sprayed to the lens through the spraying pipe to wash dirt on the lens, observation is facilitated, the lens does not need to be repeatedly taken out to be wiped, the examination and operation efficiency is improved, a patient is often in a sitting and lying position during nasal endoscopy, and if water spraying cleaning is needed, the liquid suction hole is formed in the rear portion of the lens, so that cleaning is more convenient. And the liquid can be timely sucked away from the liquid suction hole when flowing out downwards along the extension rod.

The invention belongs to the technical field of surgical operation assistance, and particularly relates to an anti-collision early warning method, system and equipment for a nasal endoscopic surgical instrument, and the method comprises the steps: obtaining an endoscopic image and a general intranasal modeling; the entering length and the lens direction of the nasal endoscope are detected in real time, and the position of the tail end of the nasal endoscope in the general intranasal modeling is determined according to the entering length and the lens direction of the nasal endoscope; marking information is waited and detected, in general intranasal modeling, the tail end of the nasal endoscope serves as a projection point, the real-time lens direction serves as the projection direction, the inner wall of the nasal cavity serves as a projection plane, the marking shape in the marking information is projected, and the actual position of the high-risk part is obtained by projecting the marking shape on the inner wall of the nasal cavity; updating the position of the high-risk part to the actual position of the high-risk part; in general intranasal modeling, a first visual early warning or a second visual early warning is selected based on whether the location of the high risk site is updated. The problem that a nasal endoscope and matched surgical instruments frequently collide with key areas of a human body can be solved.

The invention discloses a nasal endoscopic secretion segmentation method based on anatomical structure perception. The method comprises the following steps: acquiring a plurality of training samples; the method comprises the following steps of: generating anatomical sub-region representation and a pseudo tag with spatial and semantic consistency through an anatomical structure modeling mechanism according to a nasal endoscope image and a secretion tag; dissecting the sub-region representation and the pseudo tag, and generating multi-scale image features through a multi-head self-attention and position enhancement adaptation mechanism; carrying out cross-region contrast learning based on the nasal endoscope image so as to extract a multi-scale prediction mask from the multi-scale image features; and fusing the multi-scale prediction masks, and determining secretions in the nasal endoscope image. Therefore, through a progressive technical path of structured modeling (anatomical prior), adaptive perception (regional dynamics), relation learning (cross-regional comparison) and information fusion (multi-scale), the core problem in nasal endoscopic secretion segmentation is systematically solved, and the accuracy of secretion identification in a nasal endoscopic image is improved.

The invention relates to the technical field of medical instruments, in particular to an auxiliary device for a nasal endoscopic surgery, which has the functions of cleaning a lens and preventing aspiration of the throat during the surgery. The auxiliary device comprises an outer-layer hose; one end of the outer-layer hose is connected with an external suction device, and a water injection pipe is arranged on the side, close to the external suction device, of the outer-layer hose. A balloon is arranged at the end, away from the water injection pipe, of the outer-layer hose, the outer-layer hose is allowed to be clamped in the nasal posterior hole, and a side suction opening is formed in the side, close to the water injection pipe, of the balloon end of the outer-layer hose. The device can prevent blood from flowing to the throat and the digestive tract in the operation, so that aspiration of the throat is prevented, and meanwhile, the phenomenon that a lens fogs due to backflow gas in the operation can be prevented; blood in an operation cavity can be continuously sucked by matching with an external suction device, and a lens of an endoscope can be cleaned by matching with an external flushing device.

The invention provides a portable nasal endoscope with a replaceable operation module, and relates to the technical field of nasal endoscopes, the portable nasal endoscope comprises a control handle, the side end portion of the control handle is provided with a connecting seat used for being in butt joint with the operation module, the side end portion of the connecting seat is provided with a camera tube used for shooting images, and the camera tube is provided with a camera. An operation module is movably installed on the outer side of the connecting base and comprises a magnetic attraction butt joint ring and a tweezers assembly, an installation ring is installed at the side end of the connecting base and is made of a magnetic attraction material, and after the magnetic attraction butt joint ring or the tweezers assembly is aligned with the installation ring, the tweezers assembly is installed on the installation ring. The magnetic attraction butt joint ring or the tweezers assembly is attracted to the side end of the mounting ring through the mounting ring for combined mounting, the operation module can be conveniently replaced, the camera tube is matched to inspect the interior of the nasal cavity of a patient, meanwhile, the interior of the nasal cavity of the patient is cleaned through the magnetic attraction butt joint ring or the tweezers assembly, and the interior of the nasal cavity is conveniently inspected through the camera tube.