227 results about "Airway obstruction" patented technology

Methods and devices for rhinoplasty and treating nasal valve stenosis are disclosed herein. The nasal valve acts as a flow-limiter and can contribute to airway obstruction if resistance within the nasal valve is excessive. In one embodiment, a system for treating nasal valve stenosis includes a first elongate implant and a second elongate implant configured to support the nasal valves when implanted. The implants can be coupled together by connecting elements, such as eyelets, tethers, complementary socket joints, and button-rivet supports.

Methods and devices are provided that are effective to remove an obstruction in a human airway and / or maintain an open airway. The methods and devices are particularly useful for patients suffering from snoring and / or OSA, and / or preventing upper airway obstructions in patients undergoing anesthesia. In one embodiment, the device includes a mouthpiece that is adapted to form a substantially sealed cavity within a human mouth, and a hollow elongate member having a first end that is coupled to the mouthpiece and that is in communication with the substantially sealed cavity, and a second end that is adapted to be coupled to a negative pressure generator. In use, a negative pressure generator can be attached to the hollow elongate member to create a negative pressure in a human mouth in response to an obstructed airway, thereby removing the obstruction. In particular, this device is effective to counteract the collapse of a patient's soft tissues of the upper airway to reopen the airway. The mouthpiece can also be used in combination with a nasal mask. In another embodiment, the oral appliance above also comprises a nasal mask, wherein the nasal mask provides a means of ventilation support, including but not limited to total mechanical ventilation, positive-end expiratory pressure, or continuous positive airway pressure. In use, such a device can provide complete patient ventilation and maintain an open upper airway.

A system for reducing airway obstructions of a patient may include a ventilator, a control unit, a gas delivery circuit with a proximal end in fluid communication with the ventilator and a distal end in fluid communication with a nasal interface, and a nasal interface. The nasal interface may include at least one jet nozzle, and at least one spontaneous respiration sensor in communication with the control unit for detecting a respiration effort pattern and a need for supporting airway patency. The system may be open to ambient. The control unit may determine more than one gas output velocities. The more than one gas output velocities may be synchronized with different parts of a spontaneous breath effort cycle, and a gas output velocity may be determined by a need for supporting airway patency.

Methods and devices are provided that are effective to remove an obstruction in a human airway related to snoring and / or OSA. In one embodiment, the device includes mouthpiece having a hollow body configured to be disposed in a user's mouth. The body includes superior and inferior outer surfaces as well as anterior and posterior surfaces, a channel configured to receive a user's teeth formed in at least one of the superior and inferior surfaces, an inner cavity formed between the superior, inferior, anterior, and posterior surfaces, and at least one aperture formed in the posterior surface that extends into the inner cavity. In one exemplary embodiment the at least one aperture is oriented to extend away from the user's teeth and toward a user's tongue when the mouthpiece is in use. In another embodiment, the hollow body is substantially c-shaped, and the at least one aperture includes a plurality of apertures spaced a distance apart from one another along the posterior surface between first and second terminal ends of the c-shaped inner portion of the hollow body. In still another embodiment, the mouthpiece includes an outer portion having an opening extending therethrough such that the outer portion is coupled to the hollow body and is in fluid communication with the cavity in the hollow body. A one-way valve can be disposed in the opening and can be configured to allow air to flow out of a user's oral cavity when the mouthpiece is in use.

Methods and systems for minimally invasively treating an air leak in a lung comprise the steps of detecting an air leak in a lung; locating an airway in fluid communication with the air leak, introducing a bronchoscope into a patient's airway to a position adjacent the target section and occluding an airway upstream of the air leak for a period of time. The airway occlusion is preferably removed after the air leak has substantially permanently healed. The method can also include the injection of a substance into the airway on a distal side of the occlusion.

A gas administering method for administering gas to an airway of a patient having a nasal vestibule and for use with a gas administering apparatus comprises a primary gas source that is operable to provide gas and a nasal vestibular portion arranged so as to receive the gas from the primary gas source. Further, the nasal vestibular portion is capable of releasing the primary gas into the nasal vestibule. The method comprises inserting the nasal vestibular portion into the nasal vestibule, forming a seal between the nasal vestibular portion and an inner surface of the nasal vestibule, administering an amount of a gas from the primary gas source at a constant flow rate into the nasal vestibule via the nasal vestibular portion, and administering an anesthetic to the patient. The anesthetic induces depression of a portion of the nervous system of the patient. Furthermore, the seal promotes airway pressure buildup that is sufficient to prevent obstruction of the airway during depression of at least a portion of the nervous system and prevents escape of the gas from between the nasal vestibule and the nasal vestibular portion.

Methods and devices for the treatment of airway obstruction, sleep apnea and snoring are disclosed. In some embodiments, a glossal suspension system includes a tissue tensioner that includes a suture loop made of one or more sutures configured to suspend the tongue with at least one portion configured to extend laterally through the tongue, and a securement mechanism configured to be attached to a patient's mandible that includes one more adjustment assemblies for engaging the one or more sutures and adjusting tension on the suture loop. Various tethers and anchors that can be used with the glossal suspension system are also disclosed.

The present invention relates to a system for measuring respiratory function of living organisms. More particularly, signals indicative of the change in lung volume, defined as active and passive work, required to breathe and the airflow through the respiratory system of the living organism are obtained and processed as waveforms to provide a signal indicative of the respiratory restriction. The methods of the present invention measure clinical forms of airway obstruction, airway reactivity and lung volume and may be used to continuously or intermittently monitor patients with compromised respiratory function. In a preferred embodiment, a head-out, breath in respiratory plethysmograph system provides the signals indicative of change in lung volume as related to pressure changes in a chamber. Further, flowmetric variables are generated that provide a characterization of airway obstructions.

An apparatus and method are described that uses fractional light based treatment to shrink soft tissue in the mouth or throat to reduce obstruction of the airways for patients suffering from obstructive sleep apnea. A light delivery probe with scanning optics can be used to deliver treatment. Cooling systems can be added to reduce damage to epithelial layers of tissue. Light based treatment can be nonablative or ablative and is preferably performed with a laser.

Devices and methods are provided for the treatment of obstructive sleep apnea. An implantable device is inserted into the tongue. The implantable device is a flexible elongated structure, which may be a curved or jointed filament; of a sufficient length and diameter to provide support, when implanted, sufficient to restrain obstructive movement of the tongue during sleep.

An intra-oral mandibular advancement appliance to be inserted in the mouth of a patient so as to maintain an open airway to the patient's throat and thereby improve breathing during sleep. The mandibular advancement appliance has particular application for use by those wishing to reduce the effects of snoring and / or sleep apnea. The appliance includes an upper tray assembly against which is seated the patient's teeth carried by his upper jaw and a lower tray assembly against which the patient's teeth carried by his lower jaw are seated. The lower tray assembly is mated to and slidably adjustable by the patient relative to the upper tray assembly. By virtue of the foregoing, the position of the patient's lower jaw can be selectively and continuously moved forward with respect to the position of the upper jaw to prevent an occlusion of the airway as the patient's condition changes over time.

A custom, sized and fitted, integrated oral appliance is provided to treat breathing obstruction and restriction in the upper airway during sleep. Several novel features are integrated in a single device, which includes mandible repositioning to open the airway, and tongue restraint to prevent airway blockage. This device is comprised of a built-in air conduit to bypass nasal restriction and airway occlusion. In operation, the appliance is positioned in the oral cavity to firmly grip the upper and lower dentition using customized unshaped trays. Appliance positioning advances the mandible to an adjustable predetermined position and simultaneously restrains the tongue using flexible bristles attached to a spring-loaded, tongue-restraint-ac (TRAC) component. A hollow air conduit, built into the TRAC, spans the area between the users' lips and soft palate. It facilitates the flow of self-heated, moisturized air directly to (and from) the oropharynx to bypass airway obstructions and / or nasal restrictions.

Methods and devices are provided that are effective to remove an obstruction in a human airway related to snoring and / or OSA. In one embodiment, the device includes a mouthpiece that is adapted to form a sealed cavity within a human mouth, and a hollow elongate member having a first end that is coupled to the mouthpiece and that is in communication with the sealed cavity, and a second end that is adapted to be coupled to a negative pressure generator. In use, a negative pressure generator can be attached to the hollow elongate member to create a negative pressure in a human mouth in response to an obstructed airway, thereby removing the obstruction. In particular, this device is effective to pull a patient's tongue and / or soft tissues of the upper airway up and away from the posterior pharyngeal wall to reopen the airway.

Methods and systems for minimally invasively treating an air leak in a lung comprise the steps of detecting an air leak in a lung; locating an airway in fluid communication with the air leak, introducing a bronchoscope into a patient's airway to a position adjacent the target section and occluding an airway upstream of the air leak for a period of time. The airway occlusion is preferably removed after the air leak has substantially permanently healed. The method can also include the injection of a substance into the airway on a distal side of the occlusion.

A method and apparatus for treating sleep disordered breathing. An arousal index is determined for use in an outer loop of a control algorithm, the arousal index being a measure of the frequency of sleep arousals. The respiratory airflow signal in an inner loop of the control algorithm is monitored to detect an airway obstruction. If the arousal index is high, then the sensitivity of obstruction detection and / or the aggressiveness of the treatment is increased, and if the arousal index is low, then the sensitivity of the obstruction detection and / or the aggressiveness of the treatment is decreased

An intraoral mandibular advancement device to treat sleep disorders in a user having an obstructed airway includes a maxillary appliance with a main body for removable attachment to the maxillary teeth; a protrusive element distending from the central portion of the main body; and retention means extending from the main body for retention of the device on the maxillary teeth during sleep. A mandibular appliance removably attaches to the mandibular anterior teeth and includes a lingual spacer that extends posteriorly from the mandibular anterior teeth. The anterior aspect of the protrusive element of the maxillary appliance contacts the posterior edge of the lingual space and thereby causes mandibular advancement.

The present disclosure provides methods for improving drug efficacy in a patient having an obstructed airway in a lung. Such methods modulate nerve activity in the autonomic nervous system of a patient to reduce obstruction of an airway in a lung of the patient prior to administering a drug to the patient. These methods are especially useful in improving efficacies of bronchodilators in treating obstructive lung diseases, such as chronic obstructive pulmonary disease.

A CPAP apparatus has a variable rise time (iii) from a base level of positive air pressure during expiration (EPAP) to a higher level during inspiration (IPAP). The rise time is adjusted in order to reduce obstruction, resistance or instability in the upper airway.

A method of determining whether an individual's breathing is obstructed. The method includes measuring a transthoracic impedance of the individual over a predetermined time interval, identifying a baseline impedance and selecting an impedance cycle. The method also includes identifying a maximum impedance during the selected impedance cycle, determining an upper difference between the maximum impedance and the baseline impedance, identifying a minimum impedance during the selected impedance cycle, and determining a lower difference between the minimum impedance and the baseline impedance. The method includes determining whether an amplitude of the upper difference is less than about seventy percent of an amplitude of the lower difference, and notifying an observer that the amplitude of the upper difference is less than about seventy percent of the amplitude of the lower difference.

A method and system for detecting the presence of restriction to expired airflow in humans or animals by analyzing the expired capnogram and oxygram, as well as the geometric analysis of the real-time plot of the waveform that depicts the instantaneous ratio of CO2 to O2 (the carboxygram ratio). Airway obstructions causes an increase in the Q-angle between the slope of phase 11 and slope of phase III in the expired carboxygram. The diagnostic accuracy of the detection of airways obstruction is further enhanced by measuring the ratio of time spent in exhalation (Te) versus inhalation (Ti). The system uses the combination of an increased carboxygram Q-angle, and a prolonged Te / Ti to detect presence of airways obstruction.

The present invention relates, in general, to prevention of false, annoying, or oversensitive alarms, providing early detection by a sensitive test, generating silent, semi-overt, or overt alarm conditions and / or initiating early passive or active interventions to untoward events. The invention buys time by providing an early intervention in the event that a highly sensitive early detection is later confirmed by a specific test. A particular embodiment of the invention is directed to the early detection of hypoventilation, including apnea and airway obstruction, and the pausing or interrupting of an action such as drug delivery during medical procedures.

Systems, methods and devices for diagnosing sleep apnea are provided herein. In one example, a device for detecting airway obstructions may be provided where the device may include a wearable hollow nasal tube to be positioned in an upper airway above a constriction point and an end imaging sensor coupled to the nasal tube to collect airway image data. The device further may include a controller and communication interface to communicatively link and relay airway image data to a select remote device to determine airway obstructions. In some examples, a method may be provided including receiving airway image data from a remote end imaging sensor coupled to a nasal tube disposed within an upper airway above a constriction point, and analyzing the airway image data and displaying in a sleep study report the airway image data to identify airway closures related to obstructive sleep apnea.

Embodiments of the present invention relate to methods and devices for the treatment of airway obstruction, such as obstructive sleep apnea, and devices and methods that facilitate insertion and retrieval of the same. In one embodiment, disclosed is a tissue tensioner that includes an elongate flexible tether having a first end and a second end, a bone anchor configured to be connected to a patient's mandible, a tissue ingrowth implant configured to be implanted in a patient's tongue and connected to the second end of the tether, and an adjustment mechanism configured to be held by the bone anchor adjacent the patient's mandible and configured to receive the first end of the tether and configured to adjust tension in the flexible tether between the patient's mandible and tongue. Various anchors, tethers, securement mechanisms, and adjustment mechanisms that can be used with glossal and palatal remodeling systems are also disclosed.

Methods, devices, and computer program products facilitate characterization of a patient's upper airway including nose, palate, oral cavity, epiglottis, pharynx and larynx. Identification of full or partial obstructions in the upper airway enables the production of a full assessment the patient's airway. A report is produced that details the various contributing factors to the patient's airway obstructions. The comprehensive assessments can be utilized to effectively carry out various surgical and non-surgical procedures for treating sleep apnea.

Methods and Devices for treating airway openings and breathing disorders including obstructive sleep apnea are disclosed. Structures and methods disclosed herein maintain and preserve airway openings against posterior collapse of the tongue.

The invention discloses a sleep monitoring obstructive locator based on snore analysis. The sleep monitoring obstructive locator based on the snore analysis comprises a recorder for recording sleep sound of a patient, and a processor for performing intelligent analysis according to the sleep sound; an audio signal output end of the recorder is connected with a voice interface of the processor; the processor comprises a sound acquisition module, a data storage module, a data reading module, a data analyzing module and a reporting module; the data analyzing module calculates and processes the sound data to obtain snore loudness, a snore frequency, a snore index, apnea time, hypopnea time and a sleep breathing disordered index; and the reporting module judges whether a numerical value is in accordance with a standard of a sleep apnea syndrome, determines an upper airway obstructive part according to the numerical value and outputs a determination result. The sleep monitoring obstructive locator can detect sleep breathing disordered degree and the upper airway obstructive part, has no limitation to the patient and is easy to operate.

Methods and apparatus for assessing the condition of and treating patients for heart failure by the delivery of continuous positive airway pressure are disclosed. Treatment of obstruction due to reflex vocal cord closure often experienced by heart failure patients is distinguished from treatment of upper airway obstruction typically associated with Obstructive Sleep Disorder. Treatment may also be implemented by delivering synchronized cardiac pressure oscillations superimposed on a respiratory pressure level to provide assistance for the heart. Heart treatment pressure dose indicator may be calculated for prescribing and monitoring the delivery of treatment. The apparatus may also generate data to track heart failure condition that may be indicative of the degree of severity of heart failure based upon breathing patterns to assist in the diagnosis and management of heart failure patients.

An adjustable mandibular advancement device has an upper plate for covering upper teeth of a human and a lower plate for covering lower teeth of the human. A magnetic closure mechanism is provided in the device in order to hold the upper plate in contact with the lower plate when the device is positioned in a person's mouth. The magnetic closure mechanism includes one or more magnets in the upper plate and one or more magnets in the lower plate. The magnets are positioned so that when the upper plate and lower plate are in contact, the lower plate pulls the person's lower teeth and lower jaw forward and down in order to reduce obstruction of an airway during sleep or physical activity such as sport. An adjustment mechanism between the plates allows the position of the lower plate relative to the upper plate to be adjusted.

A pair of pads is held against the remus of a patient's jaw, to prevent the jaw from slipping back and causing an airway obstruction, while the patient's neck is hyperextended to also cause the patient's airway to stay open. A device including the adjustable jaw pads as well as a triangularly shaped portion over which the patient's neck rests is not required to be attached to the surface on which the patient is lying, and permits the patient to be rolled on either side while still maintaining the patency of the patient's airway.