Assignee: Respironics, Inc.

Location: Murrysville, PA
No. of patents: 96

Number	Title	Issue Date
RE43398	Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator The present invention is directed to a much safer and less expensive way of providing portable oxygen from a gas concentrator for patients who do not want to be tied to a stationary machine or restricted by present oxygen technology. The present invention involves a...	05/22/2012
7913497	Desiccant cartridge The present invention provides a removably attachable compact desiccant cartridge that is useful in lowering the dew point of a medically useful gas, which is liquefied by a cryogenic device. The desiccant cartridge of the present invention comprises a gas feedstrea...	03/29/2011
7900627	Trans-fill method and system A trans-fill method and system comprising obtaining therapeutic gas from a therapeutic gas source, compressing the therapeutic gas from the therapeutic gas source in at least two stages to create an intermediate therapeutic gas stream and a high pressure therapeutic...	03/08/2011
7832403	Mandible positioning devices A pharyngeal airway adjuster, or mandible positioning device, has a maxillary dentition engagement component and a mandibular dentition engagement component, each on opposite sides of a plane extending therebetween. An adjustable connection couples the maxillary den...	11/16/2010
7794522	Portable oxygen concentrator A portable oxygen concentrator includes a pair of sieve beds, a compressor for delivering air to the sieve beds, a reservoir receiving oxygen-enriched gas from the sieve beds, and an air manifold attached to the first ends of the sieve beds. A set of valves operate ...	09/14/2010
7762289	Method and related system of filling therapeutic gas cylinders A method and related system of filling therapeutic gas cylinders. At least some of the illustrative embodiments are a method comprising determining, by a cylinder fill device, a rated pressure of a therapeutic gas cylinder, and filling the cylinder with the cylinder...	07/27/2010
7691049	Methods and devices for relieving stress Easy to use, cost-effective methods and devices for evaluating and treating stress and thereby disorders caused or exacerbated by stress are provided. More particularly methods and devices for identifying RSA waves during respiration which provide a subject with nea...	04/06/2010
7074196	Algorithms, systems, and methods for estimating carbon dioxide stores, transforming respiratory gas measurements, and obtaining accurate noninvasive pulmonary capillary blood flow and cardiac output measurements Methods for estimating the volume of the carbon dioxide stores of an individual's respiratory tract include determining a carbon dioxide store volume at which a correlation between corresponding signals of carbon dioxide elimination and an indicator of the content o...	07/11/2006
7004168	Face mask for gas monitoring during supplemental oxygen delivery A face mask including a gas monitoring capability for improved patient management in combination with improved efficiency of supplemental oxygen delivery to the patient is provided. The face mask of the present invention is configured to direct substantially all of ...	02/28/2006
6968741	Portable pressure transducer, pneumotach for use therewith, and associated methods A system for sensing respiratory pressure includes a portable pressure transducer configured to be carried by or proximate to a respiratory conduit, such as a breathing circuit or a nasal canula. The portable pressure transducer may removably couple with a pneumotac...	11/29/2005
6959710	Nasal mask and system using same The present invention discloses a nasal mask assembly that includes a seal member defined from a unitary piece of elastomeric material. The seal member defines a nose receiving cavity and has a first end portion and a second end portion generally opposite the first ...	11/01/2005
6955651	ALGORITHMS, SYSTEMS, AND METHODS FOR ESTIMATING CARBON DIOXIDE STORES, TRANSFORMING RESPIRATORY GAS MEASUREMENTS, AND OBTAINING ACCURATE NONINVASIVE PULMONARY CAPILLARY BLOOD FLOW AND CARDIAC OUTPUT MEASUREMENTS Methods for estimating the volume of the carbon dioxide stores of an individual's respiratory tract include determining a carbon dioxide store volume at which a correlation between corresponding signals of carbon dioxide elimination and an indicator of the content o...	10/18/2005
6952605	Pneumatic release mechanism for a patient contacting article A patient contacting assembly comprising a patient contacting member that secures to the surface of a patient by means of an adhesive disposed between the patient contacting member and the patient. A channel is defined through the patient contacting member to enable...	10/04/2005
6920875	Average volume ventilation A ventilator supplies a plurality of volumes of fluid to a patient during a like plurality of inhalations by the patient. Each volume of fluid is supplied at an inspiratory positive airway pressure during a corresponding inhalation by the patient. A volume of fluid ...	07/26/2005
6895965	Customizable seal, mask with customizable seal and method of using such a seal A seal and a mask having a seal adapted for confronting engagement with a surface of a user to form an interface therewith. The seal includes a first portion defined by a gel substance and a second portion associated with the first portion. The second portion includ...	05/24/2005
6888101	Heater for optical gas sensors, gas sensors including the heater, and methods A heater for a window of an optical gas sensor is provided. The heater may be positioned over a portion of the window or may form at least a portion of the window. Alternatively, the heater may be separate from the optical gas sensor and positionable (e.g., by a tra...	05/03/2005
6882873	Method and system for determining bilirubin concentration A system and method embodying the invention can be used to detect a characteristic or condition of a patient. A method embodying the invention may include the steps of illuminating a portion of a skin of the patient with light, detecting a frequency spectrum of ligh...	04/19/2005
6877513	Intraoral apparatus for enhancing airway patency An apparatus for selectively positioning intraoral anatomic features of a human patient to enhance upper airway stability for use alone or in combination with positive airway pressure as therapeutic treatment for obstructive sleep apnea and other conditions, such as...	04/12/2005
6877510	Unit for adjusting humidification To provide a unit for adjusting humidification capable of improving inconveniences that may otherwise be caused to occur due to damages, while sustaining the humidifying ability and other performance that are to be originally achieved by the humidification adjusting...	04/12/2005
D502261	Nasal mask	02/22/2005
6851425	Exhaust port assembly for a pressure support system An exhaust port assembly comprising a conduit carries a flow of gas. A vent assembly having a fixed exhaust area is provided on the conduit for venting a flow of exhaust gas from within the conduit to ambient atmosphere. The vent assembly is configured so as to mini...	02/08/2005
6837260	Pressure support system having a two-piece assembly A pressure support system that includes a first housing member and a second housing member. The first housing member has a first plurality of cavities defined therein, and the second housing member has a second plurality of cavities defined therein. The first and se...	01/04/2005
6823866	Medical ventilator triggering and cycling method and mechanism A medical ventilator system and method that triggers, cycles, or both based on patient effort, which is determined from cross-correlating patient flow and patient pressure. The medical ventilator is also controlled such that sensitivity to a patient initiated trigge...	11/30/2004
6791086	Microspectrometer gas analyzer A robust, compact spectrometer apparatus for determining respective concentrations or partial pressures of multiple gases in a gas sample with single as well as multiple and even overlapping, absorption or emission spectra that span a wide spectral range. ...	09/14/2004
6770022	Muscle stimulating device and method for diagnosing and treating a breathing disorder A device and method for magnetic stimulation of muscles for the diagnosis and relief of a breathing disorder, such as obstructive sleep apnea is disclosed. Magnetic stimulation is used to stimulate muscles which serve to stabilize the upper airway of an individual w...	08/03/2004
D493523	Nasal mask seal	07/27/2004
6752151	Method and apparatus for providing variable positive airway pressure A method and apparatus for treating a breathing disorder and, more particularly, a method and apparatus for providing a pressurized air flow to an airway of a patient to treat congestive heart failure in combination with Cheyne-Stokes respiration and/or sleep apnea ...	06/22/2004
6748275	Vestibular stimulation system and method An apparatus and method in which the portions of the labyrinth associated with the labyrinthine sense and/or the nerves associated therewith are stimulated to perform at least one of the following functions: augment or control a patient's respiratory function, open ...	06/08/2004
6729333	Low contact nasal mask and system using same A low contact nasal mask assembly that includes a seal member defined from a unitary piece of elastomeric material. The seal member defines a nose receiving cavity and has a first end portion and a second end portion generally opposite the first end portion. A first...	05/04/2004
6722362	Insufflation system, attachment and method An insufflation system that includes a first tube that inserts into a patient's airway for providing a primary flow of breathing gas to such a patient. At least one insufflation catheter is provided in or within the first tube for delivering a flow of insufflation g...	04/20/2004
6708690	Apparatus and method for providing high frequency variable pressure to a patient A high frequency pressure oscillation device and method of providing high frequency pressure oscillations to a patient. The device includes a patient circuit coupling a gas source to an airway of a patient, and a valve disposed in the patient circuit. The valve comm...	03/23/2004
6699203	Method and apparatus for determining cardiac output A method and apparatus for use in determining the cardiac output. The method includes measuring a first parameter indicative of a patient's oxygen uptake and a second parameter indicative of the patient's fractional arterial oxygen concentration. The meth...	03/02/2004
6691579	Portable pressure transducer, pneumotach for use therewith, and associated methods A system for sensing respiratory pressure includes a portable pressure transducer configured to be carried by or proximate to a respiratory conduit, such as a breathing circuit or a nasal canula. The portable pressure transducer may removably couple with ...	02/17/2004
6651663	Nasal mask and system using same A nasal mask assembly that includes a seal member defined from a unitary piece of elastomeric material. The seal member defines a nose receiving cavity and has a first end portion and a second end portion generally opposite the first end portion. A first ...	11/25/2003
6644311	Monitoring fluid flow in a pressure support system The present invention pertains to a pressure support system in which a flow or volume of gas is measured without using a dedicated flow element used in a conventional flow meter. Instead, the present invention provides a tortuous gas flow path in which a ...	11/11/2003
6640806	Automatic slope adjustment for bi-levelpressure support system An apparatus and method for a bi-level positive airway pressure support in which the rise time from the expiratory positive airway pressure to the inspiratory positive airway pressure is automatically controlled by the pressure support system. The pressur...	11/04/2003
6629527	Sleep apnea treatment apparatus Improved methodology and apparatus for the clinical study and treatment of sleep apnea which incorporates one or more of the following features: (1) application of mono-level, alternating high and low level, or variable positive airway pressure generally ...	10/07/2003
6626175	Medical ventilator triggering and cycling method and mechanism A medical ventilator system and method that triggers, cycles, or both based on patient effort, which is determined from cross-correlating patient flow and patient pressure. The medical ventilator is also controlled such that sensitivity to a patient initi...	09/30/2003
6622724	Impeller and a pressure support system and method using such an impeller An impeller, a pressure generator using such an impeller, and a pressure support system and method using such a pressure generator to deliver a flow of breathing gas to a patient is disclosed. The impeller enables a pressure of a flow of breathing gas del...	09/23/2003
6615830	Swivel device utilizing bearing clearance to allow carbon dioxide laden exhaust A swivel exhaust conduit for rotatably connecting a patient mask to the delivery conduit of a positive pressure air supply. The swivel exhaust conduit design provides an exhaust port that utilizes the rotating bearing of the swivel conduit's rotating two-...	09/09/2003

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Assignee: Respironics, Inc.