71 results about "Nasal endoscope" patented technology

The utility model provides a dura mater suturing device under a nasal endoscope, which comprises a titanium clip, and matched sawteeth are respectively arranged on the inner walls of two sides of the titanium clip; the clamp holder comprises a fixed rod, a movable rod arranged at the upper end of the fixed rod in a sliding mode, a lower clamp head, a fixed handle, an upper clamp head rotationally connected with the front end of the fixed rod through a first rotating shaft and a movable handle rotationally connected with the fixed handle through a second rotating shaft, wherein the lower clamp head and the fixed handle are fixedly connected to the two ends of the fixed rod respectively. A first linkage assembly is arranged between the movable handle and the movable rod, and when the movable handle rotates relative to the fixed handle, the movable rod is driven to slide along the fixed rod; and a second linkage assembly is arranged between the upper tong head and the end part of the movable rod. The operation defect that multiple times of suturing and knotting are needed in a narrow and deep space is overcome, the skull base dura mater can be sutured rapidly and firmly, the endoscopic skull base dura mater suturing technology is greatly simplified, the operation time is shortened, the suturing effect is improved, and the incidence rate of the complication of leakage of cerebrospinal fluid after a transnasal endoscopic skull base operation can be effectively reduced.

The utility model provides an automatic flushing device for a nasal endoscope, which comprises a holding part and an insertion tube arranged at the lower end of the holding part, and a data line and a camera connected with the data line are arranged in the insertion tube. And a flushing assembly is arranged on the outer side of the insertion tube. The flushing assembly comprises a shell sleeve, a drainage tube and a rubber ball. The outer side of the tail end of the insertion pipe is sleeved with the shell sleeve, and an opening of the shell sleeve is in a necking shape; the drainage tube is attached to the outer wall of the insertion tube; a cavity is formed in the rubber ball, and the two ends of the drainage tube are connected with the inner wall of the shell sleeve and the cavity in the rubber ball respectively. And the rubber ball is connected with an external infusion bottle through an external infusion tube. The rubber ball is arranged to squeeze liquid in an external infusion bottle into the drainage tube and guide the liquid to the tail end of the insertion tube, so that the camera is cleaned. The problem that a lens of the nasal endoscope is fuzzy and not easy to clean in the operation process is solved.

The invention relates to an adenoid hypertrophy degree classification method, which comprises the following steps of S1, collecting a complete nasal endoscope imaging picture of an adenoid and a nasopharyngeal cavity, and preprocessing the imaging picture to obtain an image with a mask; s2, image mask division is carried out on the image to generate a white area and a black area which are complementary, feature extraction is carried out on the two area images, and finally segmentation feature output Fout is obtained; s3, performing comparative learning on the segmentation feature output Fout, and predicting a learning result to obtain a prediction grading result # imgabs0; S4, obtaining a relative area ratio R of the black and white double regions # imgabs1 # and # imgabs2 #; and a weighting method is adopted for # imgabs3 # and R, and corresponding weights are distributed, so that an accurate classification result is obtained. By means of the method, accurate judgment on the hypertrophy degree of the adenoid body can be achieved.

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 invention provides a nasal endoscope with a nasal mucosa protection function, which comprises a guide rod, one end of the guide rod is provided with a camera, the other end of the guide rod is in communication connection with a display screen through a wire, and the end part of the guide rod is fixedly provided with a light supplementing lamp on the outer side of the camera; and the protective sleeve is movably arranged outside the guide rod in a sleeving manner. When a nasal cavity of a patient is subjected to endoscopic examination, the head of the patient is clamped and positioned through the two square air bags, the annular air bag is expanded to abut against the interiors of the nostrils of the patient, and therefore the protective sleeve can be limited, the guide rod limiting effect is achieved, and the situation that a gap exists between the guide rod and the nasal cavity is effectively avoided; the situations that a patient feels uncomfortable and the head of the patient shakes when a nasal cavity of the patient is subjected to endoscopic examination are effectively avoided, so that the situation of friction between the end of the guide rod and the nasal mucosa in the nasal cavity of the patient is effectively reduced, the situation of damage to the nasal mucosa in the nasal cavity of the patient is reduced, and the effect of protecting the nasal mucosa is achieved.

The invention discloses a neurosurgery nasal endoscopic instrument which comprises a rotary mounting mechanism capable of being rotationally adjusted, lifting supporting mechanisms capable of being adjusted in height are mounted on the two sides of the bottom of the rotary mounting mechanism, and mounting fixing mechanisms used for fixing the lifting supporting mechanisms are mounted at the bottoms of the lifting supporting mechanisms. The top of the rotary mounting mechanism is provided with a telescopically adjustable examination mechanism used for detecting the nasal cavity of the patient, and the position, corresponding to the examination mechanism, of the rotary mounting mechanism is provided with a distraction mechanism used for distraction of the nasal cavity of the patient. The angle of the endoscope body can be freely adjusted according to the needs of a patient, so that the endoscope body is aligned with the nasal cavity of the patient, the two hands can be liberated when the nasal cavity of the patient is examined, the working intensity of medical staff is reduced, meanwhile, the nasal cavity of the patient can be opened when the nasal cavity of the patient is examined, and the medical staff can use the endoscope conveniently. Therefore, the lens is convenient to insert, and the definition of observing the nasal cavity of a patient is improved.

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 invention relates to an ear-nose endoscopic examination and imaging system provided with a Wood lamp and a working method of the ear-nose endoscopic examination and imaging system. The ear-nose endoscopic examination and imaging system comprises a light source device and an operation and lens device, the light source device comprises a reflective concave mirror, a xenon lamp, a first dimming lens, a second dimming lens, a rotary glass aperture, a rotary nickel hydride filter aperture and a light guide cable; the reflective concave mirror, the xenon lamp, the rotary glass aperture, the first dimming lens, the rotary nickel hydride filter aperture and the second dimming lens are arranged in sequence; the second dimming lens is arranged opposite to one end part of the light guide cable; the operation and lens device is connected with the light source device through a light guide cable. Compared with the prior art, the wood lamp and the ear-nose endoscope are combined, and the defect that the treatment effect cannot be accurately evaluated due to ear-nose fungal infection and specific bacterial infection is effectively overcome.

The present invention discloses a surgical channel for a nose-orbital joint approach, comprising: a channel main frame, which is worn and installed at the nose-orbital position, and the channel main frame is in an inverted eye-shaped structure; the present invention relates to the field of medical device technology. The surgical channel for the nose-orbital joint approach can fix structures such as endoscope guidance and lighting in the combined nasal endoscope and transorbital approach orbital apex tumor resection surgery by setting a slideway and a corresponding fixing structure, providing the surgeon with a clear and stable surgical field of view, avoiding the tumor from being blocked by tissues such as orbital fat and extraocular muscles; and does not require an assistant to hold tools for assistance, does not rely on the assistant's experience and surgical skills, and is stable and reliable; can effectively avoid damage to important intraorbital structures such as the optic nerve, and increases the safety and efficiency of the surgery; at the same time, ophthalmic surgery can be performed on both sides of the inverted eye-shaped channel main frame, and nasal surgery can be performed in the middle, which can provide a dual-camera synchronous field of view, making the surgical cooperation between nasal and ophthalmic departments more efficient and safe.

The invention relates to a nasal introversion papilloma recognition system, electronic equipment and a storage medium. The system comprises a data preprocessing module used for carrying out standardization processing on an input first nasal endoscope image and a first T2W-MRI image to obtain a second nasal endoscope image and a second T2W-MRI image; the image segmentation model is used for carrying out segmentation processing on the second nasal endoscopic image and the second T2W-MRI image and marking an introversive papilloma area; the image classification module is used for carrying out classification processing on the second nasal endoscope image and the second T2W-MRI image marked with the nasal introversive papilloma area to obtain a first prediction classification result and a second prediction classification result respectively; and the fusion module is used for fusing the first prediction classification result and the second prediction classification result to obtain an image recognition result of the introversive papilloma of the target object. In the segmentation and classification stage, the prediction result of the endoscope model is combined with the prediction result of the T2W-MRI model, and the accuracy of combined prediction of the two modal images is evaluated through a logistic regression method.

Disclosed herein a neurosurgical simulator for training of various tasks involved in Endoscopic Endonasal Transsphenoidal Surgery, composed of a human head model comprising an anterior portion including a nose part, and a posterior portion detachably mounted on an inclined base part; a plurality of apertures on the nose part for insertion of an endoscope and an instrument for manipulation; said inclined base part placed at an inclination to mimic a patient position during endo-nasal surgery; wherein said base part comprises a protruded platform having slots to create male-female connection with corresponding a plurality of protrusions provided under one or more activity plates; wherein said activity plates are so designed to train various tasks including pick-place, drilling, incising, punching / grasping and precision movements around the anatomical structures. The simulator further comprises sensors including touch sensors, force sensors and accelerometers configured to track the performance of the user and provide feedback. The simulator further comprises a pair of articulated arms with encoders at each joint of said arm connected to the endoscope and the instrument for tracking the kinematic data of the user.

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 objective of the invention is to provide the intelligent terminal device based on the 3D simulation teaching of the nasal endoscope operation technology, through a three-cavity integrated advanced nasal endoscope, a trainee can carry out a simulation teaching experiment in a nasal cavity model, and the knowledge and operation experience of the trainee on the mechanical structure, fluid control, man-machine interaction and other aspects of the device are cultivated. Artificial blood is injected into the semi-visual nasal cavity model to form a set of complete endoscope teaching process integrating optical, flushing and suction modules.

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 invention relates to the technical field of automatic film covering, in particular to a nasal endoscope lens and endoscope body automatic film covering device which comprises a mounting box, a partition plate, a suction cup, a lifting mechanism, a synchronizing mechanism, a cutting mechanism and a driving mechanism, an equipment box is arranged at the top of the mounting box, and a film covering roll is rotationally arranged in the equipment box; the partition plate is arranged in the mounting box; the two groups of suckers are used for adsorbing a film; the number of the lifting mechanisms is two. The synchronizing mechanism is arranged in the equipment box; the cutting mechanism is movably arranged in the mounting box and is used for cutting the film; the driving mechanism is arranged in the mounting box and used for feeding the endoscope into the mounting box. Through cooperative arrangement of the driving mechanism and the heating ring, the driving mechanism drives the endoscope and the thermal shrinkage film to enter the heating ring through the movable hole of the partition plate, and the thermal shrinkage film is heated to be attached to the surface of the endoscope, so that the lens at the end part of the endoscope is effectively coated with a film, and meanwhile, the use of the nasal endoscope is not influenced.

The invention discloses an insertion part of a transnasal endoscope and the transnasal endoscope, and relates to the technical field of medical instruments.The insertion part of the transnasal endoscope comprises a head end part, a bent part and an insertion tube assembly, and the end face of the far end of the head end part is provided with a steam nozzle, an image transmission objective lens window, an illumination window, an auxiliary water supply outlet and an instrument channel outlet; an image transmission board card is arranged in the head end part, an electronic wire harness, a water vapor pipeline, a light guide assembly, an instrument channel pipeline and an auxiliary water supply pipeline are arranged in the bending part and the insertion pipe assembly in a penetrating manner, and the diameters of the electronic wire harness and the instrument channel pipeline are larger than those of the water vapor pipeline, the light guide assembly and the auxiliary water supply pipeline; the distance between the connecting line of the center of the instrument channel pipeline and the center of the electronic wire harness and the center of the head end part, the bending part or the insertion pipe assembly is 0-1 mm, and the steam pipeline and the auxiliary water supply pipeline are located on the two sides of the connecting line of the center of the instrument channel pipeline and the center of the electronic wire harness respectively. The nasal endoscope has the auxiliary water supply function, and water supply is stable.

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 discloses a nasal endoscope with a lens cleaning device, which comprises a holding section, a control section and an insertion section, the insertion section comprises an outer pipeline and an inner pipeline which are nested inside and outside and arranged at intervals, a lens of the nasal endoscope is mounted at the front end of the inner pipeline, a boss is arranged on the outer wall of one end of the inner pipeline close to the lens, a wiping piece is mounted on the boss, and the wiping piece is connected with the control section. An operation handle is arranged on the outer side of one end, close to the control section, of the outer pipeline; the operating handle is connected with the wiping piece through a guide wire and is used for manually controlling the wiping piece to periodically wipe the lens surface of the lens in a reciprocating manner, and the wiping piece is provided with an elastic reset piece, is connected with the inner pipeline and is used for driving the wiping piece to reset when the operating handle is manually loosened; or the operating handle is connected with the wiping piece through the wire and the micro motor, and is used for starting and stopping the micro motor to electrically control the wiping piece to periodically wipe the mirror surface of the lens in a reciprocating manner. The wiping piece is controlled to move through the operation handle to wipe dirt on the lens surface, lens cleaning can be completed through one-hand operation, and medical resources are saved.

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 invention relates to the technical field of medical instruments and discloses a nasal endoscope multi-angle adjusting assembly which comprises a nasal endoscope body, the nasal endoscope body comprises a light cone and an outer endoscope tube, a through opening is formed in the position, close to the handheld end, of the outer endoscope tube, the outer wall of the outer endoscope tube is fixedly connected with a holder, and the holder is located on the periphery of the through opening. A sleeve corresponding to the through opening is arranged on the outer side of the holder, a knob is rotationally connected in the sleeve, an inner mirror tube is clamped in the outer mirror tube, a working channel is formed between the inner mirror tube and the outer mirror tube, a plurality of limiting rings are clamped in the working channel, an object mirror frame is rotationally connected to the insertion end of the inner mirror tube, and an object lens is fixedly connected to the inner periphery of the object mirror frame. The nasal cavity endoscope has the advantages that the angle of the objective lens is accurately controlled through the up-down knob, an operator can easily obtain visual fields of different angles in the nasal cavity, and the angle of the objective lens can be flexibly adjusted when the nasal cavity side wall, the paranasal sinus opening, the turbinate and other structures are examined.

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 utility model relates to the technical field of medical instruments, and discloses a cleaning device in a nasal endoscopic surgery, which comprises a cleaning box, the upper end of the cleaning box is fixedly connected with a mounting disc, a nasal endoscope is arranged in the mounting disc, a fixing device is arranged in the mounting disc, a cleaning device is arranged in the cleaning box, and the nasal endoscope is arranged in the cleaning box. A drain outlet is formed in the side surface of the cleaning box; the fixing device comprises a clamping assembly which is arranged in a mounting disc and used for fixing a nasal endoscope to be cleaned; the taking-out assembly is arranged on the side face of the clamping assembly and used for controlling the clamping assembly to enable the nasal endoscope to be taken out conveniently, the clamping assembly comprises a containing groove, the containing groove is formed in the mounting disc, and a through hole is formed in the inner wall of the containing groove. According to the cleaning device in the nasal endoscopic surgery, by arranging the fixing device, rapid fixing of a nasal endoscope can be achieved, then the stability of the nasal endoscope during cleaning is guaranteed, the cleaning quality is guaranteed, and the cleaning effect is improved.

The utility model discloses a nose endoscopic surgery bolster with adjustable height, which belongs to the technical field of medical supplies and comprises a base, a pillow pad is mounted at one end of the top of the base, a neck pad integrally formed with the pillow pad is arranged at the other end of the top of the base, and a lifting mechanism is arranged among the top of the base, the pillow pad and the neck pad. An arc-shaped groove is formed in the middle of the top of the pillow in the length direction, and the bottom end of the arc-shaped groove and the top of the neck pad are located on the same horizontal plane. The pillow is arranged at one end of the top of the base, the arc-shaped groove for limiting the head is formed in the top of the pillow, and the neck pad integrated with the pillow is arranged at the other end of the top of the base, so that the neck of a patient is supported; in cooperation with a lifting mechanism composed of a sliding rod, a limiting hole, a first air bag cushion, a first inflation pipe and a first inflation bag, the head cushioning height of the patient can be adjusted according to the surgical operation requirement in the using process, using is more convenient, and practicability is higher.

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.

The invention provides an upper airway stenosis automatic analysis method based on deep learning, and belongs to the technical field of automatic analysis, and the method comprises the steps: obtaining a nasal cavity mirror video stream of a patient based on a nasal cavity mirror; capturing, in real time, the residence time at each nasal cavity position after the nasal cavity mirror enters the nasal cavity of the patient based on a timer tool arranged on the nasal cavity mirror; detecting the nasal cavity mirror video stream based on a first model, and in combination with the captured stay time, obtaining a key frame of the nasal cavity mirror video stream and outputting a key segment; and the nasal cavity blockage type of the key segment is identified based on a second model and evaluated, if an evaluation result meets a set standard, the nasal cavity blockage type is output, and otherwise, the nasal cavity blockage type is adjusted and then output. The accuracy of evaluation is ensured, the diagnosis efficiency is improved, an auxiliary judgment basis is provided for nasal cavity treatment, and the workload of doctors is effectively relieved.