117 results about "Nasal pharynx" patented technology

The invention discloses a nasopharynx ventilation catheter for a multifunctional breathing machine. The nasopharynx ventilation catheter comprises a flexible catheter body, an anti-bending supporting part, a dosing assembly, a sputum suction assembly, a monitoring assembly and an air bag mechanism. The air outlet end of the flexible conduit is provided with an antibacterial conduit head, and the air inlet end is provided with a connecting assembly; the antibacterial catheter head is provided with a hole channel assembly and a medicine feeding opening, and the flexible catheter is provided with a suction opening. The anti-bending supporting part is mounted on the inner wall of the flexible conduit; one end of the dosing assembly is communicated with the dosing port; one end of the sputum suction assembly is communicated with the suction port; the detection end of the monitoring assembly is located in the inner cavity of the flexible catheter and close to the duct assembly, and the monitoring assembly is used for monitoring the concentration of carbon dioxide in the oral and nasal cavity; the air bag mechanism comprises a first air bag, a second air bag and two air bag air supply assemblies. The device has the functions of drug delivery, sputum suction, carbon dioxide concentration monitoring and the like, meanwhile, the nasal mucosa can be free of damage or obviously relieved, the device can be conveniently inserted into the nasal cavity, the fixing effect is good, and the ventilation effect is good.

The invention discloses an intelligent classification and recognition method for ear-nose-throat lesion images, and relates to the technical field of image recognition, and the method comprises the steps: synchronously collecting a nasopharynx white light image and an i-Scan image, screening an image meeting a quality standard, carrying out the correlation of pathology and grading labeling, and constructing a data set containing a multi-center case; the white light image and the i-Scan image are subjected to denoising processing, key mark points are extracted, image registration is completed, a mucous membrane surface area, a submucous membrane blood vessel area and a lymphatic tissue enrichment area are divided through semantic segmentation, and feature enhancement is carried out on different areas; extracting morphological features and textural features from the enhanced image, calculating feature importance weights and fusing the feature importance weights into low-dimensional feature vectors; the benign and malignant dichotomy model and the pathological type multi-classification model are respectively constructed, and classification results are output in combination with a doctor diagnosis rule base and verification indexes, so that the accuracy and clinical practicability of ear-nose-throat lesion diagnosis are remarkably improved.

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.

Devices and methods for assisting a patient with recovery from dysphagia are disclosed herein. In some embodiments, the device comprises a catheter with sections whose curvatures correspond to curves between external nares of the patient and a nasal cavity and between the nasal cavity and a nasopharynx. The device may further include an electrode at a distal portion of the catheter and configured to deliver stimulation energy to nearby tissue.

A method for minimizing infectious particle exposure during endonasal surgeries includes the steps of: introducing an aspiration device through a mouth of a patient and positioning a distal tip within the nasopharynx space, the aspiration device comprising an elongated balloon catheter having an inflatable balloon located within a distal region thereof and a distal aspiration port that is positioned distal to the balloon; inflating the balloon so that the balloon occupies the nasopharynx space; and aspirating any infectious particles within the nasopharynx space via the distal aspiration port.

The utility model discloses a silica gel nasopharynx breather tube, which belongs to the technical field of medical supplies, comprises a tube body, and is characterized in that a base is arranged at one end of the tube body, the base and the tube body are of an integrated structure, and the diameter of one end of the base close to the tube body is equal to that of the tube body. One end, far away from the tube body, of the base is an annular cylinder with the diameter larger than that of the tube body, and the diameter of the end, close to the tube body, of the base is gradually increased from the end, close to the tube body, of the base to the end, far away from the tube body, of the base. Therefore, the use safety of the nasopharynx breather pipe is effectively enhanced.

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

Compositions and methods for treating diseases and disorders of the nose, sinonasal cavity, and nasopharyngeal tissues are provided.

The utility model relates to the technical field of nasopharynx dredging, in particular to a nasopharynx dredging device with breathing and body temperature monitoring functions, which comprises a trachea main body for conveying gas, a support plate for supporting and preventing bending is arranged on the inner wall of the trachea main body, and a corresponding detection structure is mounted on the support plate. The detection structure comprises a gas monitoring wire and a temperature monitoring wire; according to the nasopharynx dredging device with the breathing and body temperature monitoring functions, the supporting plate is arranged, the structural toughness of the trachea body is improved, the damage influence of folding of the trachea body on the monitoring wire is reduced, the gas monitoring wire with the first probe is matched with the CO2 monitor, the CO2 content in breathing gas is detected in real time, and the waveform is displayed; and the temperature monitoring lead with the second probe is matched with the temperature monitor to display the temperature in the nasal cavity in real time.

There is proposed a nasal catheter for a patient comprising an elongate body, being at least partly resiliently deformable and having a secondary pathway or pathways, a primary passageway extending inwardly of one end of the elongate body, a generally flexible pipe adjoining the primary passageway for connection to a gas supply. The elongate body being configured for insertion in through a nostril of the patient, whereby the elongate body reversibly engages with a nasal vestibule and extends into or adjacent the nasopharynx of the patient for delivery of oxygen and / or anaesthetic agent thereinto.

The utility model relates to the related technical field of medical instruments, in particular to a nasopharyngeal airway which comprises a silicone tube and a breathing airway movably installed on the silicone tube, a nasopharyngeal airway silicone tube is arranged outside the breathing airway, and the two sides of the nasopharyngeal airway silicone tube are fixedly connected with a silicone plug and an anti-stabbing assembly. The sealing ring is mounted on the silicone tube; the nasopharynx ventilation silica gel tube is provided with a circular groove, the nasopharynx ventilation silica gel tube is provided with a built-in ventilation assembly, the built-in ventilation assembly is arranged on the nasopharynx ventilation silica gel tube, communicated with the anti-stabbing assembly and used for ventilating the anti-stabbing assembly to conduct nasopharynx ventilation conveying in the tube, and the breathing ventilation channel is elastically embedded into the inner side of the nasopharynx ventilation silica gel tube through the circular groove. A patient can breathe through the breathing air passage and the breathing air holes after normal breathing and exhausting, and when the silicone tube and the nasopharynx ventilation silicone tube are blocked in breathing, medical staff can also elastically extrude and take down the breathing air passage, so that breathing blockage of the patient is avoided.

The invention provides a nasal tracheal catheter and a nasopharyngeal cavity three-dimensional sensing method. The method comprises the following steps: generating a geometric three-dimensional surface model of a nasopharyngeal cavity; associating pressure information of the outer wall of the front end of the catheter to a nearest coordinate point area on the geometric three-dimensional surface model, and marking on the geometric three-dimensional surface model through a preset threshold value to obtain a plurality of high-pressure contact points; determining the extension strength in the surface normal direction of the geometric three-dimensional surface model by taking each high-voltage contact point as the center; performing curved surface reconstruction on all the high-voltage contact points based on the extension strengths corresponding to different high-voltage contact points to obtain a safety boundary curved surface enveloped outside the geometric three-dimensional surface model; and performing spatial position judgment on a short-term predicted movement track of the catheter and the safe boundary curved surface, and generating a three-dimensional sensing path of the catheter in a safe passing area in the nasopharyngeal cavity according to a judgment result. By the adoption of the scheme, three-dimensional spatial perception of interaction force between the catheter and nasopharyngeal cavity tissue can be achieved.

The invention belongs to the technical field of medical materials, and provides a nasogastric tube based on synergistic resistance reduction and lubrication of a micro-nano texture and antibacterial hydrogel, and the nasogastric tube comprises an anti-friction resistance-reducing surface with a micro-nano structure and a hydrophilic antibacterial hydrogel coating. A traditional nasogastric tube is mostly made of polymer materials such as polydimethylsiloxane, the hydrophobic surface of the traditional nasogastric tube is prone to generating large insertion resistance in the intubation process, and discomfort and pain of nasopharynx and esophagus and even inflammation infection are brought to a patient. The resistance in the insertion process is remarkably reduced by combining the hydrophilic hydrogel pattern layer, so that the wettability is enhanced, the smoothness during insertion and extraction is improved, and the mechanical stimulation to the nasal cavity and throat tissues is reduced. The hydrophilic antibacterial hydrogel coating is coated on the surface of the nasogastric tube, so that the structural design not only improves the comfort of a patient in the use process, but also endows the tube body with certain antifouling and antibacterial properties, and reduces the risk of occurrence of discomfort related to bacterial infection and friction.

The utility model provides a nutrient canal and a nutrient canal system, and relates to the technical field of medical instruments. The nutrient canal comprises a canal body and a canal joint, the canal joint is provided with a first connecting end, a clamping groove is formed in the hole wall of an inner hole of the first connecting end, the canal body is provided with a second connecting end, the second connecting end is provided with a clamping tongue, and the height, protruding out of the canal body, of the clamping tongue is gradually increased or gradually increased and then decreased in the direction away from the end of the second connecting end; the second connecting end can be arranged in the inner hole in a penetrating mode so that the clamping tongue can be connected with the clamping groove in a clamping mode. In the process of inserting the nutrition tube, the tube connector and the tube body are separated firstly, the tube body enters the instrument from the oral cavity and is inserted, after in-vivo indwelling of the tube body is completed, the second connecting end is drawn out from the nasopharynx from the oropharynx at the soft palate, and then the second connecting end of the tube body and the first connecting end of the tube connector are connected in a clamped mode. Obviously, due to the design of the clamping tongue, the outer diameter of the second connecting end is reduced, and stimulation to a patient can be reduced.

The utility model discloses a multifunctional bedside nasojejunum nutrition tube placement training device which comprises a head and neck bionic block, a nasopharyngeal cavity channel is arranged in the head and neck bionic block; the pleuroperitoneal cavity frame comprises a hard simulation frame and bionic skin covering the hard simulation frame. Wherein the head and neck bionic block and the pleuroperitoneal cavity frame are integrally formed or detachably connected. A bionic esophagus, a bionic stomach, a bionic duodenum and a part of bionic jejunum which are sequentially connected are arranged in the pleuroperitoneal cavity frame, and a bionic cardia and a bionic pylorus are arranged at the head end and the tail end of the bionic stomach respectively. A bionic inferior vena cava, a bionic abdominal aorta, a bionic mesenteric superior vein and a bionic mesenteric superior artery are further arranged in the pleuroperitoneal cavity frame; the bionic inferior vena cava and the bionic abdominal aorta are arranged on the rear sides of the bionic stomach and the bionic duodenum, the bottom ends are closed, and the head ends penetrate out of the bionic skin; the bottom ends of the bionic superior mesenteric vein and the bionic superior mesenteric artery are closed, and the head ends of the bionic superior mesenteric vein and the bionic superior mesenteric artery partially wrap the bionic duodenum and then penetrate out of the bionic skin.

The invention belongs to the technical field of medical experimental animal models, and discloses a small animal model for skull base high-flow cerebrospinal fluid leakage and skull base reconstruction as well as a construction method and application of the small animal model. The technical obstacle that due to the fact that the nasal cavity of a small animal is narrow and the turbinate structure is complex, surgical instruments cannot reach the skull base through the nose is overcome, meanwhile, a modeling and repairing area is arranged on the rear nasal meatus and the top wall of the nasopharynx, and the temperature and humidity conditions and environment of the nasal mucosa are reserved; and the microenvironment for tissue healing after the endoscopic transnasal skull base surgery is restored on the pathophysiological level. The dissected marking points are clear, and compared with narrow anterior skull base low-flow cerebrospinal fluid leakage of small animals, the standardized bone defect constructed in the middle skull base butterfly saddle area can cause continuous and high-flow cerebrospinal fluid leakage; autologous bone flap and free mucous membrane repair is used, the method is the same as current clinical practice, and a new platform can be provided for screening of skull base repair materials or operation evaluation and retrograde intracranial infection research after an operation.

The utility model relates to the field of medical instruments, in particular to a nasopharyngeal canal channel. Comprising a breather pipe and an absorption pipe, the breather pipe is provided with a through hollow channel, the first end of the breather pipe is used for being inserted into the nasopharynx of a patient, and the second end of the breather pipe is used for being arranged in vitro; the absorption pipe is arranged on the inner wall of the breather pipe, the diameter of the absorption pipe is smaller than that of the breather pipe, the first end of the absorption pipe is connected with the first end of the breather pipe, the second end of the absorption pipe penetrates through the end face or the side wall of the second end of the breather pipe, and the second end of the absorption pipe is connected with an absorption machine. The utility model provides an improved nasopharyngeal tube channel, which can provide ventilation and absorption functions at the same time, prevent secretions or blood at the nasopharynx from blocking vent holes, remove the secretions or blood at the nasopharynx and reduce the risk of infection and aspiration.

The present invention relates to a device for determining tongue position from measurement of intraoral vacuum pressure generated by swallowing, the device comprising an intraoral screen intended to be placed in the oral cavity, a conduit connectable at a first end to the intraoral screen and at a second end to a manometer, which is in turn connectable to a base, and an electronic module connectable to the base, the electronic module being in data communication with the manometer and including a processing unit, such that in an operative state of the device, the intraoral screen is configured to shield interdental spaces in the oral cavity, and the conduit establishes fluid communication between the interior of the oral cavity and the manometer, whereby negative pressure generated by swallowing is measured by said manometer.

The invention relates to the technical field of nasal irrigation equipment, and discloses a multifunctional nasopharynx medical device which comprises a device body, a function auxiliary cavity and an external driving motor, the bottom of the device body is connected with the function auxiliary cavity in a lap joint mode, and an embedded cavity is connected into the function auxiliary cavity in an embedded mode. A fixed mounting plate is fixedly connected to the middle part of one side of the interior of the embedded cavity, the embedded cavity is used for fixedly arranging the fixed mounting plate, stably supporting and fixing a folding telescopic rod and fixedly connecting a water receiving cavity, and the folding telescopic rod has a flexible and convenient telescopic effect; a water receiving cavity is directly embedded into an embedding cavity for storage and storage, a guide connecting rod carries out electric disinfection support on disinfection equipment and an ultraviolet disinfection lamp at the bottom, internal flushing water is effectively disinfected, a filter screen and a pressing air bag are arranged on one side of the interior of a water storage cavity for flowing of water flow, and the water storage cavity is internally provided with a water inlet and a water outlet. And the water outlet is controlled by using a surface lap joint valve.

The present disclosure relates to an adenoid stent and an adenoid support assembly. The adenoid stent includes: a tubular support portion for supporting in the nasal passage; a first expansion support portion for supporting at the anterior nostril, the first expansion support portion being provided at the first end of the tubular support portion and expanding radially outward relative to the tubular support portion; and a second expansion support portion for pressing the adenoid against the posterior wall of the nasopharynx, the second expansion support portion being provided at the second end of the tubular support portion opposite to the first end and expanding radially outward relative to the tubular support portion; wherein the first expansion support portion, the second expansion support portion and the tubular support portion are coaxially arranged, and the first expansion support portion, the second expansion support portion and the tubular support portion are configured as a mesh structure capable of radially telescoping. Through the above technical solution, the adenoid stent and the adenoid support assembly provided by the present disclosure can solve the technical problem of being unable to balance the support of the adenoid and the ventilation of the nasal airway.

The invention provides a mouth-nose combined multi-arm nasopharynx skull base surgical robot, and relates to the technical field of nasopharynx skull base surgeries, the mouth-nose combined multi-arm nasopharynx skull base surgical robot comprises a mounting plate, a first surgical arm and a second surgical arm are arranged on the mounting plate, a first positioning integration and a second positioning integration are integrated in the first surgical arm, a third positioning integration is integrated in the second surgical arm, and the first positioning integration and the second positioning integration are integrated in the mounting plate. The first positioning integration, the second positioning integration and the third positioning integration are each internally provided with an upper arc-shaped plate. According to the device, the auxiliary knife arm, the lens arm and the main knife arm are arranged, the auxiliary knife arm and the lens arm can enter from the nasal cavity, the main knife arm can enter from the oral cavity, the design can better cope with a bent approach and an operation scene requiring complex operation, an operation area can be observed and operated from multiple angles, a clear visual field is provided, and the operation efficiency is improved. A doctor can more accurately judge the relation between the lesion position and surrounding tissue, and the problems caused by the leverage effect of a rigid straight sheath in a traditional natural orifice surgical robot are solved.

The nasopharynx swab sampling auxiliary device comprises a base, a chair, a pushing mechanism, a jaw jacking mechanism and a sampling mechanism, through the combination of the chair and the pushing mechanism, the distance between the top jaw mechanism and the chair and the distance between the sampling mechanism and the chair are flexibly adjusted, and a patient can conveniently enter and exit from the chair; the jaw jacking mechanism jacks the lower jaw of a patient from bottom to top through stretching and retracting of the first supporting rod, the patient is assisted in keeping the posture that the head leans backwards, and nasopharynx swab sampling operation can be conducted smoothly. The operation of sampling the nasopharynx swab is realized by the sampling mechanism; the driving part A drives the whole poking mechanism to rotate, so that the swab rod can be quickly adjusted to be in an inclined upward direction and an inclined downward direction to respectively meet the sampling requirements of a nose swab and a throat swab; the method can be realized without different complex structures; according to the poking mechanism, the swab rod can be rapidly disassembled, rapidly installed and clamped through the cooperation of the clamping screw tube and the screwing nut, and medical staff do not need to hold the swab rod by hand for operation.

The utility model discloses a disposable adjustable bipolar electrocoagulator with suction for nasal endoscopic surgery, which relates to the technical field of electrocoagulators, and comprises a handle and a cable connection point arranged on one side of the handle, the handle is connected with a hollow metal tube with a hollow interior, an electrocoagulation hole is arranged on the side surface of the end part of the hollow metal tube, and the electrocoagulation hole is connected with the cable connection point. According to the electric coagulation hemostat, an external power source is connected through the cable connecting point for electrification, the electric coagulation holes in the hollow metal tube are in contact with a bleeding point for electric coagulation hemostasis, and the included angle between the first linear section and the second linear section is adjusted through the adjusting section; the position of the electrocoagulation hole in the second linear section is adjusted, so that electrocoagulation hemostasis can be conveniently carried out on the hidden position in the nasopharynx operation, the use convenience is improved, and the operation efficiency and the operation effect are improved.

The utility model relates to a nasopharynx flusher, and belongs to the field of medical auxiliary instruments. Comprising a bottle body, a connecting device and a nozzle, the nozzle is communicated with the bottle main body through a connecting device; a hollow bulge with an external thread structure is arranged at the joint of the bottle main body and the connecting device; the connecting device comprises a connecting cover, a V-shaped bent pipe and a nose adapter, the first end of the connecting cover is provided with an internal thread structure matched with the external thread structure of the hollow protrusion, the second end of the connecting cover is communicated with the first end of the V-shaped bent pipe, and the second end of the V-shaped bent pipe is movably connected with the first end of the nose adapter. The V-shaped bent pipe is communicated with the nose adapter, the second end of the nose adapter is communicated with the first end of the nozzle, and a flow adjusting device is arranged on the V-shaped bent pipe. Liquid medicine can be directly conveyed to the nasopharynx through the cooperation of the nose adapter and the nozzle, and the flow of the liquid medicine in the bottle body is adjusted through the arrangement of the V-shaped bent pipe and the flow adjusting device.

The visual nasal tracheal catheter comprises a catheter body, the air inlet end of the catheter body is connected with a breathing machine connector, and the air outlet end of the catheter body is provided with an arc-shaped insertion part. Air vents are formed in two sides of the insertion part to form an arch-bridge-shaped front end, and a camera assembly is arranged at the arch-bridge-shaped front end; a first air bag is arranged on the catheter body close to the air outlet end; a second air bag is arranged in the middle section of the catheter body; a bending structure is arranged at the end, close to the breathing machine connector, of the catheter body. The two sides of the insertion part at the front end of the visible nasal tracheal catheter are provided with the air vents, the top end of the visible nasal tracheal catheter forms the arch-bridge-shaped front end, and when the ventilation catheter is inserted into a nasal cavity, the arch-bridge-shaped front end serves as the foremost end to make contact with the nasal cavity and cannot scratch nasal mucosa; the camera assembly is arranged at the front end of the arch bridge shape, visualization of the nasopharyngeal catheter insertion process is achieved, and therefore damage to nasal mucosa in the insertion process is effectively reduced or avoided, and the one-time insertion success rate of the nasotracheal catheter is remarkably increased.

The utility model provides a mouth and nasopharynx airway which comprises a ventilation supporting tube and a mouth bite with a cavity, and the ventilation supporting tube is temporarily embedded and fixed in the mouth bite with the cavity. The whole body can be used as an oropharyngeal airway, and the ventilation supporting tube can be taken out from the mouth bite with the cavity and can be used as a nasopharyngeal airway; the ventilation supporting tube is provided with the respiration monitoring cavity and the oxygen supply cavity, can be connected with oxygen for inhalation during use, is connected with a carbon dioxide monitor for end-tidal carbon dioxide monitoring, and is simple in structure, low in cost, safe and reliable.

The utility model discloses a nasal cavity cleaning device, relates to the technical field of medical auxiliary instruments, and solves the technical problems that an existing nasal cavity cleaning device cannot effectively and thoroughly clean a nasopharynx cavity, and foreign matters in a nasal cavity cannot be removed only by spraying cleaning liquid, so that the nasal cavity cleaning effect is not ideal. The cleaning device comprises a liquid storage bottle and a cleaning assembly, the cleaning assembly comprises a liquid spraying pipe and protruding assemblies, the protruding assemblies and liquid spraying holes are arranged on the outer side of a pipe body at one end of the liquid spraying pipe in an alternating mode, a pipe opening is provided with a liquid spraying opening, and the other end of the liquid spraying pipe is connected with one end of a liquid conveying pipe. And the other end of the infusion tube extends into the liquid storage bottle. The nasal cavity cleaning device has the advantages that the nasal cavity can be effectively and thoroughly cleaned, visual operation is achieved in the nasal cavity cleaning process, a doctor can conveniently and accurately clean the portion, needing to be cleaned, of the nasal cavity, and cleaning pressure control can be achieved.

1. The name of the product of this design: laryngeal spray. 2. Purpose of the product of this design: Used for oral and nasopharyngeal liquid spray to provide local anesthesia for the oral and nasopharyngeal regions. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The nasopharynx washing and nursing device comprises a mounting frame, and a rotating disc is rotationally arranged at the top of the mounting frame through a bearing; the water collecting hopper is fixed at the top of the turntable through a first connecting pipe and is used for collecting flushing wastewater; the sewage tank is matched with the piston tube through the driving mechanism, so that an intermittent flushing mode can be realized, the cleaning fluid is intermittently pushed to the nasal cavity by utilizing the reciprocating pushing assembly, a continuous flushing mode can also be switched, the first piston rod is driven to rotate through the transmission assembly to continuously extrude the cleaning fluid, and different flushing requirements are met; a rotating disc is arranged to adjust the position of a fixing pipe, nasal cavities on the two sides can be conveniently cleaned, precise positioning is achieved through cooperation of a pin column and a positioning groove, a cleaning mechanism is arranged, the used spray head can be cleaned and disinfected in the flushing process, dirt on the surface of the spray head is effectively removed through boiling water flushing and rotation of a brush in a cleaning cup, and the cleaning effect is good. Hygiene and safety in the flushing process are guaranteed, and convenience and guarantee are provided for nasopharynx flushing nursing.

The utility model provides a nasopharyngeal tumor radiotherapy flushing device belongs to medical instrument technical field. Including liquid storage bottle, the two sides of liquid storage bottle are equipped with the holding area, the bottom fixed connection of liquid storage bottle has the connecting pipe, the top of liquid storage bottle is connected with the flushing pipe threadedly, adjusting assembly, adjusting assembly is used for changing the area of liquid medicine flushing, adjusting assembly is connected with the flushing pipe, prevent backflow assembly, prevent backflow assembly is used for preventing the water backflow after flushing, prevent backflow assembly is connected with liquid storage bottle, can change the flushing area through setting adjusting assembly, utilize the initial state of shower nozzle to carry out the flushing in the inside of nasal cavity, through the rotation sealing sleeve, the shower nozzle extends upward, and the spout opens, realizes the overall flushing to the four around of nasal cavity, ensures that there is no flushing dead angle. When encountering blood scab and other difficult cleaning material, still can pass through the reverse rotation sealing sleeve, enhances the water pressure of shower nozzle port, promotes the cleaning effect.