17 results about "Nasal vestibule" patented technology

The utility model discloses a nose hair trimmer tool bit and a nose hair trimmer adopting the same. Belongs to the technical field of vibrissa trimmers. According to the technical scheme, the tool apron comprises an inner tool apron body and an outer tool apron body which are connected in a sleeved mode, a plurality of inner tool bits are evenly distributed at the upper end of the inner tool apron body in the circumferential direction at intervals, a plurality of outer tool bits matched with the inner tool bits are evenly distributed at the upper end of the outer tool apron body in the circumferential direction at intervals, and the inner side faces of the free ends of the outer tool bits are first guide slopes; the utility model aims to provide a nose hair trimmer tool bit structure and a nose hair trimmer adopting a main scoring civilian head structure. The nose hair trimmer tool bit structure is ingenious in structure and can effectively shear nose hair which is attached to the inner wall of a nasal cavity or is close to the inner wall of the nasal cavity and grows in an abnormal state and nose hair located in a nasal vestibule. The device is used for trimming vibrissae.

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 discloses an oxygen uptake tube fixing device, relates to medical equipment technical field, including the fixed part that fixes the oxygen uptake tube and connect fixed part and can surround the back side of head, fixed part includes U-type outer ferrule and U-type inner ferrule, U-type inner ferrule inner side space clamps oxygen uptake tube outer wall, U-type inner ferrule inner side space clamps oxygen uptake tube outer wall, U-type outer ferrule inner side space clamps oxygen uptake tube outer wall, U-type outer ferrule inner side space clamps oxygen uptake tube outer wall, U-type inner ferrule inner side space clamps oxygen uptake tube outer wall. The U-shaped inner clamping sleeve is clamped on the inner side wall of the U-shaped outer clamping sleeve, the two free ends of the U-shaped inner clamping sleeve are folded, the distance between the two free ends of the U-shaped inner clamping sleeve is reduced, and the opposite side walls of the two free ends of the U-shaped inner clamping sleeve symmetrically abut against the two sides of the upper end of the outer side wall of the oxygen inhalation tube. According to the oxygen uptake tube fixing device, the fixing piece is detachably clamped on the outer wall, located on the side of the nasal vestibule, of the oxygen uptake tube, meanwhile, the position of the fixing piece is limited by winding the bandage around the back side of the head, and therefore the position of the oxygen uptake tube is determined, and the oxygen uptake tube is not prone to falling off; the problem that the oxygen uptake tube falls off from the nasal vestibule due to limb wriggling of infants or young children and cannot normally uptake oxygen is solved.

The invention relates to the technical field of nasal preparation administration devices, in particular to a nasal dry powder inhalation administration device for children, which comprises a shell, an extrusion sealing mechanism, an auxiliary administration mechanism and a dose dividing mechanism. Wherein the dose dividing mechanism can realize accurate dose dividing and quantitative control of medicine powder according to physiological characteristics and medication requirements of children of different age groups; the auxiliary drug delivery mechanism is connected to the drug outlet end of the drug delivery pipe, the drug delivery path can be optimized according to the structural characteristics of the nasal cavity of a child, drugs are effectively guided to be deposited in the absorption area of the nasal cavity, and waste of the drugs in non-absorption areas such as the nasal vestibule is reduced; the extrusion sealing mechanism can stably spray out medicine powder in the shell through the medicine feeding pipe, and the medicine powder cooperates with the auxiliary medicine feeding mechanism, so that the delivery efficiency of the medicine in the nasal cavity is improved.

The present invention relates to an inner-clip nose clip, comprising a blocking cushion and a supporting clamp, wherein the clamping part of the supporting clamp passes through the blocking cushion and is provided with a convex point for clamping the nasal vestibule. The present invention uses an elastic component with a rebound force to form a reaction force with the supporting clamp to adjust the length of the clamping part extending into the nasal cavity, which is easy to adjust and not easy to be damaged. When swimming, the nose can be used to exhale, which conforms to the correct swimming essentials; at the same time, the nasal vestibule below the nasal septum cartilage is used as a force point, and there is no pain when using it for a long time, and no damage is caused to the nasal mucosa.

Disclosed are devices, systems and methods for non-invasive neuromodulation system for treating inherited or acquired retinal, choroidal and optic nerve disorders caused by acute or chronic dysregulated reduced ocular blood flow (OBF) and / or energy failure by up regulation of trigemino-vascular system (TVS), trigeminal autonomic brain reflexes (TABRs) and pancreatic trigemino-vagal reflex (TVR) through stimulation of ophthalmic nerve (V1), more specifically but not limited to SP, and CGRP containing unmyelinated C nerve fibers. The invention, in some embodiments thereof, relates to the methods for enhancing SP and CGRP expression in neurovascular tissue of the retina and choroid. The invention, in some embodiments thereof, relates to SP / CGRP mediated pathways, including those involved in vasodilatation, augmentation of OBF, RPE proliferation, prevention of apoptosis, suppressing neuroinflammation, promoting migration and differentiation of vascular endothelial cells as well as mobilization of endogenous mesenchymal stem cells (EMSCs) from the bone marrow to the circulation to accelerate tissue repair. The site of stimulation of V1 nerve includes but not limited to; nasal vestibule nasal bridge, forehead, and upper eyelids. Additionally or alternatively, the subject's sympathetic nervous system (SNS) is down regulated by sympatholytic agents specifically antioxidants. The subject's TVS and autonomic nervous system (ANS) are modulated in a manner that is effective to treat the subject for retinal, choroidal and / or optic nerve disorders. In some embodiments, the devices are handheld, portable with nose supported, having one or more intra-nasal or extra-nasal application heads. The signal can include vibration, chemical, ultrasonic, optical, electrical, hybrid electro-optical or combination of two or more of these types of stimuli. The invention, in some embodiments thereof, relates to a method for decreasing vascular resistance, enhancing vasodilatation in ophthalmic artery and its branches by the release of Vasoactive intestinal peptide (VIP), substance P and CGRP thereof increasing OBF to the retina, choroid and optic nerve in subject's with acute or chronic dysregulated, reduced OBF. The invention, in some embodiments thereof, is also relates to the methods for improving delivery of oxygen, glucose, vitamin A, humoral mediators, growth factors, stem cells and pharmacological agents to the targeted tissues of the retina, choroid and optic nerve. The invention, in some embodiments thereof, relates to the methods for improving pancreatic insulin secretion, thereof to enhance glucose uptake by PRs and other retinal cells. Additionally or alternatively, the invention relates to restoration of transduction of signaling in cone PRs by ONS induced glutamate release. The methods of the invention, in some embodiments thereof, include priming of the retina choroid and optic nerve thereof to enhance the efficacy of cell transplantation therapy. The methods of the invention, in some embodiments thereof, also include identifying a subject prone to or suffering from a disease or condition associated with reduced OBF. Methods of the invention, in some embodiments thereof, may also include monitoring the subject for prophylactic treatment where the patients are at pre-clinical stage of the disease. The OBF of subjects who had received neuromodulation treatment may also be monitored for re-treatment.The present invention, in some embodiments thereof, relates to a method and / or device for treatment of dysregulated reduced blood (e.g. reduced ocular blood flow) and, more particularly, but not exclusively, to methods and / or devices for treatment retinal, choroidal and optic nerve disorders. Optionally, treatment may include application of an effective amount of ONS ophthalmic nerve stimulation alone and / or in combination with peri-ocular administration of substance Neuropeptides / Platelet Rich Plasma (N / PRP) and / or ascorbic acid as a sympatholytic agent

The invention discloses an oxygen inhalation device capable of monitoring the oxygen inhalation state of a patient. The oxygen inhalation device comprises a nasal catheter assembly connected with an oxygen supply source, an oxygen supply existence detection module, an inspiration existence detection module and a judgment and timing module. The oxygen supply existence detection module detects the pressure difference through a throttling structure in the main oxygen supply channel and a first pressure detector so as to judge the oxygen supply state; the inspiration existence detection module detects the snorting state through a pressure tapping hole in the nasal vestibule and a second pressure detector. The judging and timing module accumulates effective oxygen uptake time when oxygen supply and snuffing signals meet conditions at the same time, and can dynamically correct a judging threshold value to adapt to working condition differences such as water level changes of a humidifying bottle. A low-damping microporous cover and a waste liquid cavity are arranged outside the pressure tapping hole to prevent blockage and keep signals stable, and the device can prompt states such as mouth breathing and abnormal oxygen supply and record events. The device is simple in structure, good in compatibility and capable of accurately and stably metering the effective oxygen uptake time in a complex clinical environment.

Disclosed are devices, systems and methods for non-invasive neuromodulation system for prompt treatment of cerebral and / or ocular strokes caused by acute dysregulated reduced cerebral blood flow (CBF) and / or ocular blood flow (OBF) by up regulation of trigeminovascular system (TVS), and trigeminal autonomic brain reflexes (TABRs) through stimulation of ophthalmic nerve. Additionally or alternatively, the subject's sympathetic nervous system (SNS) is down regulated centrally by intravenous administration of pharmacological dose of ascorbic acid. The site of stimulation of ophthalmic nerve includes but not limited to nasal vestibule, nasal bridge, and forehead and upper eyelid. In some embodiments, the devices are handheld, portable with nose supported, having one or more intra-nasal or extra-nasal application heads. The signal can include vibration, chemical, ultrasonic, optical, electrical, hybrid electro-optical or combination of two or more of these types of stimuli. The subject's TVS and autonomic nervous system (ANS) are modulated in a manner that is effective to treat the subject for cerebral and ocular strokes. The invention, in some embodiments thereof, relates to a method for decreasing vascular resistance, enhancing vasodilatation in cerebral arteries, leptomeningeal collaterals and ophthalmic artery by the release of Vasoactive intestinal peptide (VIP), substance P and CGRP thereof increasing cerebral and / or OBF to the brain and the eye in subject's with acute dysregulated, reduced cerebral and / or OBF. The invention, in some embodiments thereof, is also relates to upregulation of TVS in a manner that is effective to induce acute development of leptomeningeal collateral circulation sufficient to ameliorate the ischemic effect of occluded cerebral artery, enhances successful recanalization, decreases the infarction volume and improves brain functional recovery without hemorrhagic transformation. In some embodiments TVS and ANS are also modulated in a manner that induce an acute increase in choroidal blood flow sufficient to ameliorate the ischemic effect of occluded artery until spontaneous recanalization of the occluded artery is accomplished. The invention is related to targeting the affected side via ipsilateral ONS without inducing intracerebral vascular steal phenomenon. The invention, in some embodiments thereof, is also relates to the methods for improving delivery of oxygen, glucose, anticoagulants, hormones, humoral mediators, growth factors and pharmacological agents to the targeted ischemic tissues of the brain, retina and optic nerve. The methods of the invention, when combined with r-tPA treatment and / or endovascular recanalization increases window time of treatment of stroke, enhance the efficacy of treatment and reduce its side effects. The methods of the invention, in some embodiments thereof, include priming of the brain, retina and / or optic nerve thereof to enhance the efficacy of cell transplantation therapy after exposure to stroke. Methods of the invention, in some embodiments thereof, may also include monitoring the subject for prophylactic treatment. The cerebral / and or OBF of subjects who had received neuromodulation treatment may also be monitored for re-treatment.

The present invention discloses an anti-infection nasal vestibule coated stent and its preparation method and application. The nasal vestibule coated stent comprises: a stent body, the shape and size of the stent body matches the nasal vestibule morphology; a coating; the coating is compounded on the stent body. The stent body has a shape memory function and is well matched with the morphological structure of the human nasal vestibule. The coating is composed of at least one fiber layer, and the pore size of the fiber layer decreases gradually from the lowest layer of the lower coating to the uppermost layer of the upper coating. The nasal vestibule coated stent provided by the present invention can realize gradient filtration of gas inhaled into the human body through the nose, so as to prevent bronchial, bronchiolar and lung infections in patients with artificial trachea or tracheal stent transplantation. The stent provided by the present invention has a simple structure, is easy to manufacture, beautiful in application, and has a significant anti-infection effect. It can also realize drug loading and drug release of the coated stent, and has multiple additional functional attributes.

The invention discloses an end-expiratory carbon dioxide monitoring anti-falling and anti-blocking device. The device comprises an anti-falling sampling head and a suction device used for pumping out secretory fluid entering the anti-falling sampling head. The anti-falling sampling head comprises a middle tube, an anti-falling ring located on the front portion of the middle tube and used for being implanted into the nasal vestibule and ribs connecting the anti-falling ring and the middle tube, a vent hole is formed between every two adjacent ribs, and the anti-falling ring is larger than a nostril outlet. The rear end of the middle pipe is provided with a first pipe connector used for being connected with an end-expiratory carbon dioxide monitoring sampling pipe and a second pipe connector used for being connected with a suction device. According to the anti-falling sampling head, the technical problem that a sampling pipe is prone to falling off in end-expiratory carbon dioxide monitoring is solved, the problem that mucus secreted by the nasal cavity blocks a sampling pipeline can be solved through the arranged suction device, and therefore long-time stable monitoring of end-expiratory carbon dioxide can be guaranteed.

The invention relates to a nasal dilator (400), comprising a first support frame (402) and a second support frame (404) for insertion into left and right nasal cavities (1), and a bridge element (406), wherein the bridge element (406) connects the first support frame (402) and the second support frame (404), wherein the bridge element (406) is configured for abutment against the external end of the nose septum, wherein each of the first support frame (402) and the second support frame (404) is configured to extend from the bridge element (406) through a nostril into a posterior section of the respective nasal cavity (1) when the nasal dilator (400) is in use, wherein each of the first support frame (402) and the second support frame (404) comprises a main part (408, 410) and a stabilizing part (412, 414), the main part (408, 410) having a planar or curved area spanned by a plurality of frame segments (418a, 418b, 418c, 418d) forming a continuous delimiting edge for supporting the nasal wings, and the stabilizing part (412, 414) having a longitudinal support member (412, 414) for arrangement on the nasal vestibular floor, and wherein the main part (408, 410) and the stabilizing part (412, 414) are arranged at a distance to each other. The invention furthermore relates to a method for manufacturing the nasal dilator.

The utility model discloses a device is used for otolaryngology one kind of nasal cavity humidifier, include: breathing mask, pipe, liquid storage tank and atomizer etc. The shape of breathing mask is compatible with the shape of nose and mouth, and the breathing mask is connected with the pipe, and the one end of pipe is connected with the liquid storage tank away from breathing mask, and the liquid storage tank is connected with the atomizer between pipe. The utility model discloses a device is provided with breathing mask, pipe and spray head, and the breathing mask is divided into nose cavity and mouth cavity, and two spray heads are respectively inserted into two nasal vestibules of user, reduce the risk of causing physical damage to the mucosa in the depth of nasal cavity, improve the comfort of user, still be provided with sealing strip, and the sealing strip is close to the middle part of user, so that the sealing strip divides the nose cavity and mouth cavity, avoid the gas of user mouth exhaling being inhaled into nasal cavity again, guarantee the breathing quality of user and the humidifying effect of this humidifier, reduce the risk of respiratory tract infection.

A device and method of generating an enriched gas within a nasal vestibule of a patient includes a housing, a chamber, a chamber inlet, a pump, a molecular sieve bed, a release outlet, and a breath duct. The chamber is configured to be received within the nasal vestibule. The pump is configured to direct an ambient air from an ambient environment into the chamber. The molecular sieve bed is positioned within the chamber and configured to collect a predetermined molecule from the ambient air thereby generating the enriched gas. The release outlet is configured to discharge the enriched gas from the chamber into the nasal vestibule. The breath duct longitudinally extends through the housing such that the breath duct is configured to fluidly communicate a fluid flow through the housing for nasal breathing by the patient while the chamber is positioned within the nasal vestibule.

The utility model provides a dairy cow nasal cavity temperature detection device, which comprises a detection module, a connecting part and a fixing part, the detection module is used for being placed on the nasal vestibule of a dairy cow, the detection module comprises an infrared temperature sensor, the detection module is connected with the fixing part through the connecting part, and the infrared temperature sensor is connected with the fixing part through the connecting part. And the infrared temperature sensor can face the nasal cavity of the dairy cow. The cattle body temperature monitoring device can continuously monitor the body temperature of cattle, can avoid the influence of the environment on temperature detection, and has a good popularization prospect.

The utility model relates to the field of medical instruments, in particular to a nasal vestibule postoperative compression hemostasis device convenient to fix. The nose clip comprises a left nose clip body and a right nose clip body hinged to the bottom end of the left nose clip body. Each of the left nose clip and the right nose clip comprises a barrel-shaped threaded sleeve arranged at the top end, a rotating piece arranged at the bottom end and an arc-shaped rod arranged between the rotating piece and the threaded sleeve; the top ends of the left nose clip and the right nose clip are further movably connected with nose clamping blocks matched with the threaded sleeves. The arc-shaped rods of the left nose clip and the right nose clip are further fixedly provided with columnar plugs which are oppositely arranged, and the columnar plugs are in the same direction as the clamping sections of the left nose clip and the right nose clip. And a nose plug is fixedly arranged at the top end of the columnar plug. The utility model aims to provide the compression hemostasis device which is convenient to fix after the nasal vestibule operation, and solves the problems that the existing compression device cannot be conveniently and flexibly adjusted and fixed, and a wound in a nasal cavity cannot be conveniently subjected to wet compress disinfection or blood adsorption.

A nasal swab apparatus for cleaning, washing, decolonizing, prepping or sterilizing of human nose nasal vestibules, the apparatus comprising: a body extending along a longitudinal axis; at least one prong extending parallel to or along the longitudinal axis of the body, the at least one prong having an attachment end connected to the body and an opposite free end; a swab attached to the free end of the at least one prong; a nasal guide being a nasal columellar guide or a nasal alar guide, the nasal guide being connected to the body or to the at least one prong; and wherein the body is configured to be engaged by a human hand to position the swab into a selected one of the nasal vestibules of a human nose such that the nasal guide contacts an exterior region of the nose to limit an insertion depth of the swab.

The present application provides a spray assembly and a nasal spray apparatus. The spray assembly comprises a spray head and a vortex portion accommodated in the spray head. A spray hole is arranged at the far end of the spray head. The vortex portion comprises a vortex cavity in communication with the spray hole and a vortex groove in communication with the vortex cavity. The vortex groove comprises a first flow-guiding surface and a second flow-guiding surface that are arranged opposite to each other. The second flow-guiding surface is tangent to a cavity wall of the vortex cavity. The included angle α between the first flow-guiding surface and the second flow-guiding surface is 14-30°. The diameter of the vortex cavity is 0.5-2.0 mm. In the spray assembly of the present application, arranging the vortex portion in the spray head enables the drug, when flowing through the vortex portion, to form a vortex and to be pressurized and accelerated, and limiting structural parameters of the vortex portion enables the sprayed drug to achieve a predetermined spray angle and spray particle size, thereby avoiding a situation where the spray angle or particle size is so large that the drug is excessively deposited on the wall of the nasal vestibular cavity, avoiding a situation where the spray angle is so small that a mist cannot be formed, and avoiding a situation where the spray particle size is so small that the drug enters the lungs, which raises safety concerns.