151 results about "Nasal cavity" patented technology

An apparatus includes a body, a shaft assembly, and a visualization assembly. The body includes first and second actuators. The shaft assembly extends distally from the body and includes a rigid proximal portion and a steerable distal portion. The steerable distal portion is positioned distally relative to the rigid proximal portion. The first actuator is operable to drive the steerable distal portion to deflect laterally relative to a longitudinal axis defined by the rigid proximal portion. The steerable distal portion is configured to fit within a nasal cavity of a patient. The visualization assembly is disposed within the shaft assembly. The visualization assembly includes a camera. The second actuator is operable to drive longitudinal translation of the visualization assembly relative to the shaft assembly.

The present application relates to a kind of respiratory synchronous diaphragm nerve electric stimulator in vitro, belong to medical equipment technical field.The technical scheme of a kind of diaphragm nerve electric stimulation based on real-time breathing signal synchronization trigger is proposed for the problems of high weaning failure rate and quality of life decline caused by VIDD.The technical scheme points include: detecting inspiration negative pressure signal through nasal cavity air pressure sampling tube, control unit dynamically adjusts trigger threshold according to negative pressure signal, when negative pressure is lower than preset value and waveform slope meets the standard, trigger electric stimulation module to output biphasic pulse, pulse parameters include positive and negative alternating waveform, width 0.1ms to 1ms, frequency 10Hz to 50Hz and current intensity 5mA to 30mA, and strictly limit electric stimulation to be only output in inspiration cycle, and expiration cycle is completely blocked stimulation by hardware switch circuit.It is mainly suitable for intensive care and rehabilitation therapy scene, effectively prevent and treat VIDD, improve patient weaning success rate and quality of life.

The invention provides a nasal delivery preparation for cerebral diseases as well as a preparation method and application of the nasal delivery preparation, and relates to the technical field of pharmaceutical preparations. The nasal delivery preparation for the cerebral diseases comprises gelatin derivative chitosan microspheres coated with stem cell exosomes, and the microspheres are prepared through the method that the stem cell exosomes are coated with gelatin derivatives of a specific structure and then cross-linked with chitosan. The gelatin derivative used in the invention has good surface activity, and can be well compatible with cells and active factors to form a stable inner core coating structure; meanwhile, the surface of the chitosan of which the outer layer is crosslinked with the gelatin derivative is positively charged and can be combined with anions in nasal mucus, so that the retention time of the microspheres in the nasal cavity can be effectively prolonged. Therefore, the nasal delivery preparation not only can slowly release the stem cell exosome, but also improves the absorption efficiency of the stem cell exosome by the nasal cavity, so that the stem cell exosome can reach the brain more effectively.

The present invention discloses a visual endoscope compression balloon, which belongs to the technical field of postoperative tools. It is composed of a main balloon tube, a secondary balloon tube and an endoscope connecting tube. The tail ends of the main balloon tube and the secondary balloon tube can be connected to the endoscope connecting tube. The main balloon tube and the secondary balloon tube are clamped with the endoscope through the endoscope connecting tube. The endoscope enters the patient's nasal cavity together with the device. The position reached by the end of the device can be accurately determined by the endoscope. The main balloon tube is supported by the secondary balloon tube. The main balloon tube has two balloons, an end support balloon and an upper support balloon. An auxiliary support balloon is provided on the secondary balloon tube. After the balloon is inflated, it plays a supporting role. After the support is completed, the endoscope and the endoscope connecting tube can be disassembled. The part exposed at the patient's nostrils becomes very small, which does not affect the patient's daily activities. The rubber main tubes of the main and secondary balloon tubes connect the internal air pressure of the nasal cavity with the external air pressure, which can also facilitate the patient's breathing and improve the patient's postoperative comfort.

The invention discloses a novel atomization dosing instrument, and relates to the technical field of atomizers. The device comprises a main body, the main body comprises a main body outer shell and a main body upper shell which are connected with each other, an internal support is installed on the main body outer shell, and an electrical assembly is installed on the internal support. When the electronic cigarette is used, the key is installed on the main body shell, the key is connected with the atomizing element so that the atomizing element can be started or stopped, and the electrical assembly is arranged between the main body shell and the main body upper shell; through the control of the electrical assembly, the device can atomize liquid medicine in an electronic atomization mode, and the problem that a traditional atomizer needs to be pressed with large force is solved; the waste is reduced by accurately controlling the dosage of the liquid medicine; the atomizing head does not enter the oral cavity and the nasal cavity for administration, so that the administration experience is very comfortable; the diameters of atomized particles are adjusted by matching different liquid medicines with different atomizers, so that the liquid medicines can better reach affected parts.

A hydrogel composition for intranasal delivery of an antifungal (amphotericin B) at an infection site, specifically the nasal mucosa and upper respiratory tract.

The invention discloses breathing assisting equipment for heart failure patients, and relates to the technical field of medical instruments, the breathing assisting equipment comprises straps, an extrusion mechanism is fixedly connected to the outer surface of the straps, a breathing mechanism is fixedly connected to the outer surface of the extrusion mechanism, and an electric rod is utilized to extrude a breathing air bag, so that the breathing air bag can be inflated; oxygen in the breathing air bag can be extruded out, and the soft plate is made of a soft material, so that the breathing air bag cannot be damaged. And traditional manual labor can be effectively replaced through the telescopic effect of the electric rod, the automation effect is achieved, and the labor intensity of workers is relieved. Oxygen is primarily infiltrated through wetting cotton in the arc-shaped box, so that the wettability of the respiratory tract of the patient can be enhanced, and the inner surface of the nasal cavity of the patient is protected. Meanwhile, the two moving boxes can be driven to slide through rotation of the screw rod, the distance between the two nose plugs can be conveniently adjusted, the nasal plug fixing device can adapt to different crowds, and then the comfort degree of the patient using the nose plugs is improved.

An acoustic face mask reduces the distortion and muffling of speech sounds by a face mask wall. The distortion and muffling of speech sounds by a face mask wall may be reduced by reducing the acoustic coupling of the vocal tract and / or nasal cavity to the face mask chamber, which causes a reduction in the intelligibility of the speech. The acoustic coupling of the vocal tract and / or nasal cavity to the face mask chamber may be reduced, for example, by reducing the reflected sound energy caused by the face mask wall. For example, one or more sound absorbing members or acoustically transparent members reduce the reflected sound energy caused by the face mask wall.

The invention discloses a preparation method of a traditional Chinese medicine ointment for treating rhinitis, which comprises the following steps: crushing a plurality of traditional Chinese medicine raw materials according to a certain ratio, mixing with a snail liquid extract and an earthworm tissue extract, adding a plurality of enzymes such as cellulase, pectinase and papain for enzymolysis, adding a fermentation substrate, and inoculating a strain for fermentation; the preparation method comprises the following steps: fermenting, decocting for many times by a traditional Chinese medicine decocting machine, concentrating by a decoction process to obtain a thick traditional Chinese medicine paste semi-finished product, cooling the traditional Chinese medicine paste semi-finished product, adding lard paste, beeswax and related auxiliary materials, and carrying out ultraviolet disinfection and canning to obtain a finished product. According to the preparation method of the traditional Chinese medicine ointment for treating rhinitis, through special process treatment, the content of effective components in the medicine is fully increased, the absorption effect of nasal mucosa on the effective components is promoted, and the irritation of the nasal mucosa on the nasal cavity is reduced; meanwhile, by adding auxiliary materials, the absorption effect and the treatment effect after the medicine is smeared on the nasal cavity are further improved.

The utility model provides a nasal cavity flusher nozzle which comprises a container, a sealing cover, a connecting pipe, a water outlet and a nozzle assembly, the top of the container is provided with the sealing cover, the top of the sealing cover is provided with the connecting pipe, one end of the connecting pipe is provided with the water outlet, one end of the connecting pipe is connected with the nozzle assembly, and the nozzle assembly is sleeved with a threaded ring. A water baffle is arranged at the top of the spray head assembly, a hose penetrates through the right side of the spray head assembly, balls are arranged on the left side of the top of the spray head assembly, the top of the water baffle makes contact with the bottom of a pipeline, a silica gel head is inserted into the top of the pipeline, and four water outlet holes are formed in the periphery of the top of the water baffle; the top of the spray head assembly is connected with a fixing shell, the water baffle can rotate through the design, the flow speed of normal saline can be controlled through the four water outlet holes with different diameters formed in the top, and therefore water inhaling can be avoided when the nasal cavity is cleaned.

The present application relates to the field of image recognition, and discloses a method for evaluating nasal septum deviation based on image recognition, the method comprising: obtaining a nasal septum deviation image; wherein the nasal septum deviation image comprises a cross-sectional CT image of the nasal cavity; in the nasal septum deviation image, determining multiple key points of the nasal septum cartilage according to a nasal septum deviation detection model; wherein the multiple key points of the nasal septum cartilage comprise the front end point, the deflection point and the rear end point of the nasal septum cartilage; according to the multiple key points of the nasal septum cartilage, determining the angle of the connection line of the multiple key points of the nasal septum cartilage, and taking the angle of the connection line of the multiple key points as the nasal septum deviation angle; wherein the angle of the connection line of the multiple key points comprises the angle of a first connection line connecting the front end point and the deflection point, and a second connection line connecting the front end point and the rear end point. The present application automatically identifies the degree of nasal septum deviation, and improves the treatment effect of nasal septum deviation of patients.

1. The present invention discloses a cushion assembly for a patient interface, the cushion assembly comprising: a plenum chamber pressurisable to a therapeutic pressure of at least 6cmH2O above ambient air pressure, said plenum chamber including a plenum chamber inlet port, said plenum chamber inlet port being sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient; and a sealing structure constructed and arranged to have a shape to form a seal with a region of the patient's face surrounding an entrance to the patient's airways such that the flow of air at said therapeutic pressure is delivered to at least an entrance to the patient's nares, said seal being formed to prevent air exiting from the plenum chamber between the sealing structure and said region of the patient's face, the sealing structure structured and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use; wherein the sealing structure comprises a sealing surface to form the seal against the patient's face in use, and wherein the sealing structure comprises a tie that extends between a first interior surface region of the sealing structure that is opposite the sealing surface and a second interior surface region of the patient interface such that the tie resists deformation of the sealing structure to prevent blowout.

The invention describes a method including the administration of a pharmaceutical composition. The administration includes dispensing a pharmaceutical filler composition comprising an active agent from a soft gel capsule into a patient's nasal cavity for nasal absorption or into the patient's oral cavity for pregastric absorption.

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 oxygen therapy nasal plugs, and discloses an anti-falling oxygen therapy nasal plug for senile cardiology heart failure patients, which comprises a connecting tube and a nasal plug tube, oxygen delivery tubes are mounted on two sides of the connecting tube, and branch tubes are arranged at the top ends of the oxygen delivery tubes. According to the anti-falling oxygen therapy nasal plug for the senile cardiology heart failure patient, the elastic hanging rope is arranged, the sliding sleeve slides outside the oxygen delivery pipe to adjust the position of the elastic hanging rope, and after the elastic hanging rope is adjusted to the proper position, the elastic hanging rope can be hung on the ear of the patient; the oxygen delivery pipe is limited to prevent the nasal plug pipe and the nose plug on the connecting pipe from accidentally falling off from the nasal cavity of a patient, the limiting sleeve is pulled to slide at the top end of the outer portion of the oxygen delivery pipe through the reserved groove, and therefore the oxygen delivery pipe can be further limited, and the problem that the nasal plug pipe and the nose plug are prone to falling off from the nasal cavity of the patient is solved. And hidden dangers are easy to increase.

The invention discloses a controllable endoscope for nasopharyngeal carcinoma postoperative rehabilitation examination, and belongs to the technical field of endoscopes, the controllable endoscope comprises an endoscopic examination tube, a lens bearing part, a lens part, a sealing assembly, a pushing assembly and an angle adjusting assembly.When the controllable endoscope is used, a sealing air pump inflates a transparent sealing air bag, the pushing air bag is in an uninflated state, and the angle adjusting assembly is used for adjusting the angle of the lens part; when the endoscopic examination tube is inserted into one end of a nasal cavity and reaches an operation part, the sealing air pump deflates the transparent sealing air bag, the pushing air pump inflates the pushing air bag, so that the end of the lens part moves out of the inner cavity through the opening, and then the deflection air bag part moves out of the inner cavity through the deflection air pump part under the action of the deflection air pump part. The deflection angle of the lens part is adjusted, so that multi-angle examination can be carried out on the surgical site and the periphery, a basis is provided for an examiner to accurately judge the rehabilitation condition, the operation convenience of the examiner is improved, the frequency of adjusting the position of the endoscope is reduced, and the discomfort of a patient and the possibility of secondary injury are reduced.

The utility model discloses a netted atomizer with the fog storage function, including fog bin module, atomization module and electric control module, the fog bin module includes the fog storage bin, the atomization module is communicated with the fog storage bin, the electric control module is electrically connected with the atomization module, the fog bin module also includes a fog inlet, an air inlet and an air outlet, the air inlet is communicated with the fog storage bin, and the air outlet is communicated with the fog storage bin. The atomization module is communicated with the mist inlet, the mist inlet and the air inlet are both communicated with the mist storage bin, the mist storage bin is communicated with the air outlet, the mist bin module further comprises a partition plate, the partition plate is arranged on the side portion of the mist inlet and is arranged between the mist inlet and the air inlet in a partition mode, a breather valve is arranged on the partition plate, and the breather valve is communicated with the mist storage bin. The air inlet is communicated with the mist storage bin through the breather valve. According to the utility model, installation, detachment and replacement are convenient, liquid particles can be prevented from directly impacting the nasal cavity or oral cavity of a user, and the use experience is improved.

A respiratory system for providing respiratory support to a patient, the system comprising: a nasal interface and a gas conduit for delivering a flow of gases to an outlet of the nasal interface, and a flow controller for selectively controlling the flow of gas into nasal interface, the flow controller configured to operate when a pressure in the system is above a predetermined value to restrict or prevent the flow of gas into the nasal interface from the gas conduit.

The present application relates to the technical field of sleep intervention, in particular to an intelligent sleep instrument and a sleep instrument control method, the system comprising a respiratory mutation recognition module, a slow wave initiation linkage module, a pharyngeal cavity contraction evaluation module, an intervention section positioning module and a delay trigger control module. In the present application, the extreme points densely appearing in the continuous cycle are accurately positioned as the key nodes of respiratory abnormalities through the identification of the mutation of nasal respiratory flow, and the slow wave initiation stage closely related to the respiratory mutation is screened out and marked as the linkage period in combination with the power curve change trend of the electroencephalogram signal. The pharyngeal cavity state is dynamically evaluated through the change of acoustic echo in the period, the intelligent postponement and delay processing of the intervention behavior are realized through the comparison of the trigger point of the intervention action and the boundary of the platform section, the accuracy of the sleep intervention timeliness and the adaptability of the intervention execution are improved, and the respiratory event control effect and the sleep continuity are significantly improved.

The invention discloses a nasal cavity coated drug-loaded stent and a preparation method thereof, and relates to the technical field of nasal cavity stents.The coated drug-loaded stent comprises a coated drug-loaded stent body and a drug coating covering the surface of the coated stent body, and the drug coating comprises a therapeutic drug and a carrier thereof; the carrier comprises a first polymer and a second polymer which have different drug loading functions; and a tissue regeneration guide layer can also be arranged on the medicine coating. The coated drug-loaded stent provided by the invention not only has a large wound surface contact area, but also can effectively regulate and control the drug release period, so that the drug release during the wound surface repair period is more stable, long-acting and controllable, thereby meeting the needs of nasal cavity wound surface repair.

The invention provides an auxiliary nasal cavity flusher for nasopharyngeal carcinoma treatment and a flushing fluid formula, and belongs to the technical field of medical instruments.The auxiliary nasal cavity flusher for nasopharyngeal carcinoma treatment comprises a connecting shell, and a liquid medicine mixing device, a liquid medicine distributing device, a liquid medicine collecting box and a flushing fluid collecting box are installed on the inner wall of the bottom of the connecting shell; the liquid medicine mixing device, the liquid medicine flow dividing device, the liquid medicine collecting box and the flushing liquid collecting box are connected through pipelines, a microprocessor and a sensor array are arranged in the intelligent integrated controller, the temperature and flow of flushing liquid and the liquid medicine mixing proportion can be monitored in real time, and it is ensured that treatment conditions are optimized; a user or an intelligent system can adjust the flushing speed and total amount through the controller, the treatment effect is guaranteed, unnecessary stimulation is reduced, and the flushing comfort level is improved.

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 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 utility model discloses an automatic duck head batter filling device and belongs to the technical field of food processing. The duck body grouting device is characterized by comprising a hanging mechanism (10), a grouting mechanism (4) is coaxially fixed to the lower portion of the hanging mechanism (10), the hanging mechanism (10) and the grouting mechanism (4) rotate synchronously, the outer ring of the top of the hanging mechanism (10) is sleeved with a feeding guide rail (2), a plurality of hanging frames (9) are arranged on the feeding guide rail (2) at equal intervals in a sliding mode, and duck bodies are hung on the hanging frames (9) in an inverted mode. The grouting mechanism (4) internally comprises at least one grouting block (35) which is in butt joint with the duck head and carries out grouting, and a distributor (11) is further arranged on the lower portion of the grouting mechanism (4) and connected with the grouting block (35). By means of the automatic batter filling device for the duck heads, batter filling is automatically conducted on the duck heads before wax dipping and hair removal, and wax liquid is prevented from remaining in the oral cavity and the nasal cavity during wax dipping and hair removal.

An air extraction device and a nasal aspirator. The air extraction device includes a cylinder body and a variable-volume body. The cylinder body defines a cavity and a first air hole, and the first air hole is in communication with the cavity. The variable-volume body is arranged within the cavity. The variable-volume body is configured such that, through a change in a volume of the variable-volume body within the cavity from large to small, an air pressure within the cavity is reduced, for providing a suction force externally through the first air hole.

The invention generally relates to systems and methods for targeting of specific tissue(s) of interest in a sino-nasal region of a patient for the treatment of a rhinosinusitis condition. A device of the present invention includes an end effector comprised of one or more segments, each segment comprising one or more struts which can be in the form of loop-shaped struts or independent struts and each comprising a flexible printed circuit board (PCB) member for delivering energy to one or more target sites within the sino-nasal cavity of the patient while minimizing or avoiding collateral damage to surrounding or adjacent non-targeted tissue, such as blood vessels, bone, and non-targeted neural tissue.

The utility model provides a binding elastic retaining cap suitable for puncture intervention post-operation, which relates to the technical field of post-operation binding tools and comprises a retaining cap body, a connecting band a connected to one end of the retaining cap body in a sewing manner, a connecting band b connected to the other end of the retaining cap body in a sewing manner and a fixing component arranged between the connecting band a and the retaining cap body and between the connecting band b and the retaining cap body. The fixing assembly is used for fixing, pressurizing and bandaging the head of a child patient and comprises an opening, a hook-and-loop fastener a and a hook-and-loop fastener b. The pressure bandaging position of the head of a child patient can be tightly wrapped through the head sleeve body, the head sleeve body is fixed to the head of the child patient through the fixing assembly, the good supporting and fixing effects can be achieved when pressure bandaging is needed for special parts such as ear backs, jaw backs and head tops, and the stability of the fixing mode of the head sleeve is good; the problems that an existing elastic bandage is prone to loosening and slipping, the nasal cavity of a child patient is prone to being blocked, breathing of the child patient is affected, and postoperative recovery of the child patient is affected are solved.

The utility model belongs to the field of tooth correctors, and particularly provides a wearing indicating device for a tooth corrector, the wearing indicating device comprises a shell, and a sensor module, a control module and a power supply module which are arranged in the shell, the shell comprises a limiting part, a containing part and a boss, and the limiting part is used for being connected with the tooth corrector; a signal reinforcing structure communicated with the atmosphere is arranged in the boss, and when the wearing indicating device is connected with the tooth appliance for use, a port of the signal reinforcing structure faces a nasal cavity and is used for transmitting and amplifying a signal from the nasal cavity; the sensor module is located in the signal reinforcing structure and used for collecting signals amplified by the signal reinforcing structure. The wearing indicating device provided by the utility model can accurately judge the wearing condition of the tooth appliance by analyzing the signal from the nasal cavity.

The invention discloses a traditional Chinese medicine composition and application thereof in preparation of medicine for treating obstructive sleep apnea hypopnea syndrome, and the traditional Chinese medicine composition comprises the following raw materials in parts by mass: 6 parts of rhizoma acori graminei, 6 parts of agastache rugosus, 6 parts of radix angelicae, 6 parts of bamboo shavings, 6 parts of ligusticum wallichii, 3 parts of mint and 1.5 parts of borneol. Research finds that the traditional Chinese medicine composition has the effects of inducing resuscitation, inducing resuscitation and resolving dampness with aromatics, can remarkably improve clinical symptoms (including fatigue, sleepiness, headache in the morning, awakening at night, dry mouth, amnesia, low emotion and the like) of OSAHS patients (especially moderate and severe patients), remarkably reduces the peripheral blood CRP level of the OSAHS patients (especially moderate and severe patients) and the CRP and IL-6 level in nasal cavity flushing fluid, and has the advantages of being free of toxic and side effects, free of toxic and side effects and the like. The inflammation reaction of the upper respiratory tract and the life quality of patients are improved. And a safe, effective, easy-to-implement and more easily accepted way for the improvement of OSAHS is provided.

Described herein are devices, systems, and methods for applying a tension force to various tissues. The devices may be delivered in a minimally invasive fashion and used to manipulate tissues in the nose (e.g., nasal septum, nasal turbinates), ear, and throat. Force may be maintained by the devices for a time period that allows shaping, compression, and / or approximation of tissues.