34 results about "Nasopharyngeal airway" patented technology

A combined nasopharyngeal airway and pulse oximeter sensor capable of monitoring the posterior pharynx, posterior soft palate or nasal mucosa is disclosed. The nasopharyngeal airway includes a thickened wall section over approximately one-third of its circumference. Pulse oximeter sensor elements may be embedded in the airway. The pulse oximeter sensor elements may include a light source, which preferably emits light at wavelengths around 660 nm (red) and around 940 nm (near infrared), and a light detector. The pulse oximeter sensor elements may be connected to a pulse oximeter monitor (spectrophotometer) or other external device for analysis.

A medical appliance for the treatment of one or more sleep disorders such as obstructive sleep apnea in a patient, the appliance comprising: a biasing member for inserting behind and exerting a force upon the patient's soft palate or tongue, wherein the biasing member is inserted in a reduced or minimized form and then expanded or firms once in place to exert the force. The appliance may be nasally inserted or be placed through the mouth. In a particular configuration, both the soft palate and tongue are biased to prevent obstruction of the flow of air in the nasopharyngeal airway.

A dental device comprises an intraoral nasal dilator and a mandibular repositioner working synergistically as an anti-snoring device. The device has a lower segment of thermoplastic material which is formed to fit over the lower teeth and is connected to an upper section of molded material extending between the upper jaw and the upper lip by a wire connector. The wire connector has mechanisms allowing adjustment of the lower jaw positioning. A wire extension with acrylic pads at end is bonded in the midline of the flange and extends out so that the pads stretch the tissue of the lip and lateral nasal walls preventing collapse during respiration while the anterior repositioning of the lower jaw maintains opening of the posterior pharyngeal airway during sleep functioning as an anti-snoring device. Additional applications of the intraoral nasal dilator include incorporation into sports mouth guards using a variety of materials.

A dental device comprises an intraoral nasal dilator and a mandibular repositioner working synergistically as an anti-snoring device. The device has a lower segment of thermoplastic material which is formed to fit over the lower teeth and is connected to an upper section of molded material extending between the upper jaw and the upper lip by a wire connector. The wire connector has mechanisms allowing adjustment of the lower jaw positioning. A wire extension with acrylic pads at end is bonded in the midline of the flange and extends out so that the pads stretch the tissue of the lip and lateral nasal walls preventing collapse during respiration while the anterior repositioning of the lower jaw maintains opening of the posterior pharyngeal airway during sleep functioning as an anti-snoring device. Additional applications of the intraoral nasal dilator include incorporation into sports mouth guards using a variety of materials.

A nasopharyngeal airway for providing an air passage through a nose to a nasopharynx includes a cannula having a proximal open end, a distal closed end, and a sidewall surrounding a lumen of the cannula. The nasopharyngeal airway has an opening in the sidewall at a distal portion of the cannula for providing fluid communication between a distal portion of the lumen and the nasopharynx when the cannula is inserted into the nose and a conduit in the sidewall of the cannula, the conduit having an opening adjacent to the proximal open end of the cannula and a conduit opening in a distal portion of the cannula for providing fluid communication between the conduit and the distal portion of the lumen.

An oropharyngeal airway configured for placement within a mouth of a patient to create a passageway between a mouth of a patient and the posterior pharyngeal wall that includes a passageway body, a flange assembly and a reactive material. The flange assembly is positioned at the end of the body and includes spaced apart upper and lower flange portions, which define a passageway therebetween which is in communication with the opening of the passageway body. The reactive material cooperates with the flange assembly and the passageway defined by the spaced apart flange portions. The reactive material provides qualitative visual indication as to whether the patient is effectively ventilating. A nasopharyngeal airway is likewise disclosed, as is a flange assembly which can be coupled to existing airways.

An anatomically designed egg-shaped or elliptical-shaped nasopharyngeal airway for providing a comfortable and safe air passage through a nose to a nasopharynx includes a cannula having a proximal open end, a distal end, and a sidewall surrounding a lumen of the cannula. The nasopharyngeal airway has a port, which includes two or more openings separated by one or more bridges, in the sidewall, at a distal portion of the cannula. Upper and lower conduits may be located in channels of the sidewall of the cannula for delivery of oxygen and measurement of CO2 or other purposes.

An improved inflatable, tapered tip nasopharyngeal airway allows for comfortable self insertion and provides a clear airway for patient breathing in those with obstructive sleep apnea (OSA).

An assembly for modifying airflow into a nasopharyngeal airway or trachea of a patient. A valve assembly having an inlet and an outlet attaches to a traditional airflow generator. A valve seal within the assembly is operable by a solenoid and is adapted to cycle in response to a programmable controller circuit wherein upon activation of both the airflow generator and the controller circuit, pressurized air from the airflow generator continuously enters the inlet but passes out of the outlet of the assembly only when the solenoid causes the valve seal to retract and to at least partially unblock the outlet such that the pressurized air is converted into a single, repeatable burst exiting the outlet thereby modifying the traditional airflow.

An assembly for modifying patient airflow into a nasopharyngeal airway or trachea. A valve assembly having a valve seal is adapted to attach to an airflow generator. The valve seal is connected to and operable by a motor means. A controller circuit is connected to the motor means for operating the motor means incrementally such that pressurized air from the airflow generator continuously enters the interior feed tube from the inlet but passes out of the outlet only when the motor means causes the valve seal to move in relation to the exit tube to at least partially unblock the outlet such that the pressurized air is converted into a single, repeatable burst exiting the outlet. In one embodiment, instead of a motor, the valve assembly can include a shaft. A butterfly valve seal is attached to the shaft. A nickel titanium wire is in conductive communication with the shaft.

An assembly for modifying airflow into a nasopharyngeal airway of a patient. A valve assembly is adapted to attach to an airflow generator. A solenoid including a piston is mounted exterior to a feed tube. A butterfly valve is within the feed tube at the inlet. A pin is within the piston, and a shaft of the butterfly valve is bent to connect to the pin such that the solenoid can drive the butterfly valve. An exhalation valve is within the feed tube at the outlet, the exhalation valve adapted to slide axially within the feed tube and incrementally cover the outlet. Upon rotation of the butterfly valve, the exhalation valve thereby slides towards the mask side, wherein upon activation of both the airflow generator and a controller circuit, pressurized air from the airflow generator continuously enters the feed tube but is converted to a single, repeatable burst or rush.

An oropharyngeal airway device and method, including inserting a nasopharyngeal airway means in a collapsed configuration through one of the nares, nasal cavity and nasopharynx and into the pharynx to locate an expandable body in a collapsed configuration in the pharynx substantially around the glottis, epiglottis and laryngeal opening; and expanding the nasopharyngeal airway means and the expandable body from the collapsed configuration to an expanded configuration to create the oropharyngeal airway through the nasopharyngeal airway means and expandable body.

A medical appliance for the treatment of one or more sleep disorders such as obstructive sleep apnea in a patient, the appliance comprising: a biasing member for inserting behind and exerting a force upon the patient's soft palate or tongue, wherein the biasing member is inserted in a reduced or minimized form and then expanded or firms once in place to exert the force. The appliance may be nasally inserted or be placed through the mouth. In a particular configuration, both the soft palate and tongue are biased to prevent obstruction of the flow of air in the nasopharyngeal airway.

An endopharyngeal airway positive pressure ventilation device and method of use for ventilating a patient through a nasopharyngeal airway in surgical settings that is incapable of normal ventilation with current anesthetic techniques due to a risk for airway obstruction in surgical procedures requiring conscious sedation monitored anesthesia care (MAC). The invention includes a single-lumen endopharyngeal nasal tube with an eye shaped opening at its distal end and a cylindrical proximal end used as an adaptor for anesthetic applications such as positive airway pressure via JACKSON-REESE modified ambu-bag or other various anesthesiology applications. Contiguous to the distal end of the nasal tube is an end-tidal CO2 monitoring port (ETCO2). On the distal end of the flexible nasal ventilation tube is an eye opening allowing air flow to the posterior pharynx. The device further includes a modified JACKSON-REESE ambu bag which allows for controlled airflow to the patient during a procedure.

An assembly for modifying airflow into a nasopharyngeal airway or trachea of a patient. A valve assembly is adapted to attach to an airflow generator. A linear actuator is signaled by the airflow. An inhalation valve is within the feed tube at the inlet. An exhalation valve is within the feed tube at the outlet, the exhalation valve adapted to slide axially within the feed tube and incrementally cover the outlet, moving in unison with the inhalation valve. A drive means operates the inhalation valve and the exhalation valve simultaneously such that upon sliding of the inhalation valve toward the mask side, the exhalation valve thereby slides towards the mask side, wherein upon activation of both the airflow generator and a controller circuit, pressurized air from the airflow generator continuously enters the feed tube but is converted to a single, repeatable burst.

A UV light delivery device for performing intra-corporeal ultraviolet therapy is provided. The device includes an elongated body separated by a proximal end and a distal end. The device also includes a UV light source configured to be received at the receiving space. In some examples, the UV light source is configured to emit light with wavelengths with significant intensity between 320 nm and 410 nm and is utilized in conjunction with an endotracheal tube or a nasopharyngeal airway.

The invention provides a lateral oxygen supply and sputum suction nasopharyngeal airway. The lateral oxygen supply and sputum suction nasopharyngeal airway comprises a nasopharyngeal airway tube, an oxygen supply and sputum suction extending tube and a built-in oxygen supply and sputum suction tube which is arranged inside the nasopharyngeal airway tube, wherein one end of the built-in oxygen supply and sputum suction tube is provided with an outlet of the built-in oxygen supply and sputum suction tube; the other end of the built-in oxygen supply and sputum suction tube is connected with one end of the oxygen supply and sputum suction extending tube through an externally arranged interface of the built-in oxygen supply and sputum suction tube; the other end of the oxygen supply and sputum suction extending tube is connected with one end of an oxygen supply and sputum suction joint; and the tube wall of the nasopharyngeal airway tube is internally wrapped by breaking prevention steel wires. The lateral oxygen supply and sputum suction nasopharyngeal airway has the advantages of having two functions of oxygen supply and sputum suction; ensuring sufficient oxygen supply and good oxygen inhalation effect during the oxygen supply; ensuring sufficient sputum suction, enabling a respiratory tract of a patient not to be stimulated and ensuring that the patient can breathe normally during the sputum suction; and guaranteeing that the nasopharyngeal airway tube is not deformed during insertion and after insertion of the lateral oxygen supply and sputum suction nasopharyngeal airway due to the wrapped breaking prevention steel wires and preventing complications caused by affected ventilation due to the previous pure soft plastic which is easy to break.

An assembly for modifying airflow into a nasopharyngeal airway or trachea of a patient. A valve assembly is adapted to attach to an airflow generator, wherein the airflow generator is a continuous blower of a type producing a constant head of pressurized air. One or more drive gears are attached to and powered by a servo motor. A valve seal within the feed tube is connected to and operable by the drive gears, the valve seal adapted to cycle within the feed tube across the outlet. A controller circuit is connected to the servo motor for operating the servo motor incrementally, wherein pressurized air from said airflow generator continuously enters said feed tube from said inlet but travels to said patient only when said servo motor causes said valve seal to move such that said pressurized air is converted into a single, repeatable burst.

The invention discloses a pillow capable of relieving the glossocoma generated after catheter removal of children. The pillow comprises an upper soft cushion, a lower body, a button for adjusting theheight of the pillow, a mechanism for adjusting the inclination angle of the pillow and pillow grooves. The upper soft cushion and the lower body are fixed, the button for adjusting the height of thepillow is connected with the mechanism for adjusting the inclination angle, the button for adjusting the height of the pillow is located on one side of the lower body, and the pillow grooves are formed in the front and rear sides of the upper soft cushion respectively. By means of the pillow, the cuffed oropharyngeal airway and the nasopharyngeal airway can be effectively replaced in most cases, various complications caused when the cuffed oropharyngeal airway and the nasopharyngeal airway are used are reduced, meanwhile, the pillow is simple and easy to implement, and the height and the anglecan be adjusted so that the pillow can be suitable for different children.

The nasopharyngeal airway is a modified airway adjunct designed to facilitate proper ventilation when connected to an oxygenation system. The presently claimed invention ensures healthcare providers are able to obtain real-time information based on a patient's ventilation and breathing patterns and maximizes supplemental oxygen delivered to a patient, allowing him or her to breathe comfortably while connected to a breathing system. The nasopharyngeal airway with capnography prevents over-inflation of a patient's lungs, which can cause intense discomfort and further exacerbate medical issues, while also providing improved monitoring of a patient's breathing, thereby ensuring the patient is able to breathe properly and maintain the required oxygen levels.

The invention discloses a non-invasive intraoral genioglossus muscle electromyographic activity evaluation method, comprising the following steps: S1, obtaining the subject's AHI index; S2, for the subject with AHI>15, respectively obtaining the ggEMG signal parameter value and the Pepi signal Parameter value: S3, according to the ggEMG signal parameter value and the Pepi signal parameter value, calculate the unit pressure EMG value R1 in the awake period, the unit pressure EMG value R2 in the early stage of sleep, and the minimum unit pressure EMG value in the N2 phase of apnea R3, N2 phase. Apnea maximum unit pressure EMG value R4, N2 stage nasopharyngeal airway implantation unit pressure EMG value R5, and calculate the mean value and R standard deviation of R1 to R5; S4, according to AHI index and R standard deviation two parameters, the intraoral genioglossus EMG activity of subjects with AHI>15 can be classified, and the functional factors related to the genioglossus muscle can be objectively evaluated in moderate-severe OSA subjects with AHI>15 , which is beneficial to provide an objective basis for the treatment of the cause. The invention also discloses a system for realizing the above evaluation method.

The present invention provides a UV light delivery device for performing in vivo UV therapy. The device includes an elongate body separated by a proximal end and a distal end. The apparatus also includes a UV light source configured to be received in the receiving space. In some examples, the UV light source is configured to emit light at a wavelength having a significant intensity between 320 nm and 410 nm, and is used in conjunction with an endotracheal tube or nasopharyngeal airway.

The invention discloses a pillow for relieving pediatric glossocoma after extubation, which comprises an upper cushion, a lower main body, a pillow height adjustment button, a pillow inclination angleadjustment mechanism, and pillow notches, the upper cushion is fixed on the lower main body, the pillow height adjustment button is connected to the pillow inclination angle adjustment mechanism, thepillow height adjustment button is located on one side of the lower main body, and the pillow notches are located on the front and rear sides of the upper cushion, the pillow can be effectively substituted for the cuffed oropharyngeal airway and the nasopharyngeal airway in the vast majority of cases, reducing various complications caused by using the cuffed oropharyngeal airway and the nasopharyngeal airway, moreover, the pillow is simple, convenient and easy to put into practice, and since the height and angle of the pillow can be adjusted, the pillow is suitable for various different individual children.

The invention relates to a deep oxygen supply type nasopharyngeal airway, and belongs to the technical field of medical instruments. The deep oxygen supply type nasopharyngeal airway comprises a main ventilation pipe and an extension pipe. A main ventilation chamber and a side chamber are arranged in the main ventilation pipe. A bell mouth is formed in the tail end of the main ventilation pipe. The outer wall of the lower end of the bell mouth is sleeved with a rotatable fixing wing. The fixing wing is provided with a through hole, and straps are arranged on the two side edges of the fixing wing. An oxygen source connector communicates with one end of the extension pipe, and the other end of the extension pipe communicates with the tail end of the side chamber. The deep oxygen supply type nasopharyngeal airway has a respiratory tract obstruction eliminating function and a deep oxygen supply function, and by adding the fixing wing, the problem that the deep oxygen supply type nasopharyngeal airway is hard to fix in clinical use is solved.

A nasopharyngeal airway with visual probe comprises a breather pipe, one end of the breather pipe is in threaded connection with a connector, and the other end of the breather pipe is provided with aconnecting rubber pipe; an exhaust notch is formed in the connecting part of the connecting rubber pipe and the breather pipe, a visual probe is in interference fit with the interior of one end of theconnecting rubber pipe, and a wire is electrically connected to the visual probe; compared with the prior art, according to the scheme, the breather pipe is inserted more smoothly through a visual structure, meanwhile, the situation of misoperation of a doctor is reduced, and the pain of a patient is relieved; the arranged limiting clamping ring can move conveniently, it is avoided that the limiting clamping ring directly sleeves the breather pipe and causes damage to a patient in the moving process, meanwhile, rapid limiting can be achieved after sliding, and the pain of the patient is relieved; according to the invention, a doctor can adjust the breather pipe by observing the display screen, so that the doctor can adjust the plugging length of the breather pipe in a targeted manner, andthe convenience and the practicability are improved.

The invention belongs to the technical field of intubation equipment, and discloses a nasopharynx breather pipe which is made of a soft rubber material. A fixing device is arranged at the exposed end of the nasopharynx breather pipe; the fixing device is used for fixing the nasopharynx breather pipe outside the nasal cavity. The front end of the nasopharynx breather pipe is beveled and blunt. The nasopharynx breather pipe is about 15 cm in length. The nasopharyngeal airway fixing device can fix the nasopharyngeal airway outside the nasal cavity, prevents the nasopharyngeal airway from sliding into the nasal cavity, guarantees the safety of a patient, can reduce the risk that the nasopharyngeal airway is easy to fall off or slide to the deep part of the respiratory tract in the use process, and is simple in structure, small in size and convenient to use. The nasopharyngeal airway solves the problem that the nasopharyngeal airway main body is not firmly fixed during use, and prevents the nasopharyngeal airway main body from loosening to cause friction between the outer sleeve and nasal cavity tissues, so that the damage to nasal cavity mucosa is reduced.

An assembly for modifying airflow into a nasopharyngeal airway of a patient. A valve assembly is adapted to attach to an airflow generator. A solenoid including a piston is mounted exterior to a feed tube. A butterfly valve is within the feed tube at the inlet. A pin is within the piston, and a shaft of the butterfly valve is bent to connect to the pin such that the solenoid can drive the butterfly valve. An exhalation valve is within the feed tube at the outlet, the exhalation valve adapted to slide axially within the feed tube and incrementally cover the outlet. Upon rotation of the butterfly valve, the exhalation valve thereby slides towards the mask side, wherein upon activation of both the airflow generator and a controller circuit, pressurized air from the airflow generator continuously enters the feed tube but is converted to a single, repeatable burst or rush.