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6955171 System and method for delivering therapeutic gas to a patient  
Therapeutic gas, such as NO, is delivered to a patient in accurately controlled amounts by a system that uses a closed loop feedback system in which the amount of therapeutic gas delivered is a...
6938618 Bag-valve resuscitation for treatment of hypotention, head trauma, and cardiac arrest  
A device for manipulating intrathoracic pressures comprises a compressible bag structure, and an interface member coupled to the bag structure. A one way forward valve is coupled to the bag...
6938619 Mask free delivery of oxygen and ventilatory monitoring  
Disclosed is an apparatus and method for the delivery of supplemental oxygen gas to a person combined with the monitoring of the ventilation of the person with both being accomplished without the...
6935338 Fluid resistant airway adapter  
An airway adaptor that includes a tubular body having a first gas flow passage defined therein. A protrusion extends from an interior wall of the tubular body into the gas flow passage. The...
6929007 Insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions  
An improved insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions includes a conduit for connection to a patient's airway; a pressure source for...
6920876 Device for administration of nitric oxide to horses spontaneously breathing  
The present invention is directed to a nitric gas dispenser for mammals on the run. The dispenser has a housing that contains a valve mechanism. The valve mechanism is interconnected between a...
6910483 Double-ended blower and volutes therefor  
A double-ended variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired...
6910481 Pressure support compliance monitoring system  
A compliance monitoring system and method in which a modular compliance monitor is selectively disposed in-line in a patient circuit of a pressure support system. The monitor includes a housing...
6907881 Variable peak pressure ventilation method and system  
A system and method for ventilating a lung in a living being by varying the peak inspiratory pressure. The peak inspiratory pressure may deviate about a mean that is chosen to correspond with a...
6895962 Device for supporting respiration  
A compact device for supporting respiration is provided making possible a mobile, autonomous, pressure-supported respiration of patients near the lungs with very small dead spaces and flow...
6892726 Arrangement in connection with equipment used in patient care  
The invention relates to an arrangement in connection with equipment used in patient care, the arrangement comprising a controllable device (2a, 2b), a measuring device (5a, 5b) adapted to measure...
6889691 Auto CPAP  
A method for the detection and treatment of disordered breathing during sleep employs an artificial neural network (ANN) in which data related to breathing gas flow are analyzed. A respiratory...
6880556 Apparatus for supplying a therapeutic oxygen gas  
The apparatus includes a cylinder for containing a pressurized therapeutic oxygen gas, a nasal cannula, adapted to be introduced into a nasal passage of a patient, and a conduit extending between...
6866040 Pressure-controlled breathing aid  
The ventilation module (8) regulates the inspiratory pressure (P) according to an inspiratory pressure order (AI). A control module (9) compares the breathed volume at each cycle (VTI) with a...
6863068 Ventilation sound detection system  
A ventilation sound detection system includes an audible display that emits a series of sounds based upon information provided by a ventilator. In particular, there are two different sound...
6860265 Insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase  
An improved insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase includes a conduit for connection to a patient's airway; a...
6843250 Method and system for intubation  
An intubation method and system including the insertion of an endotracheal tube into a patient airway, inflating an cuff associated with the endotracheal tube at a location in the patient airway...
6840241 Apparatus for determination of recruitable volume of a lung  
An apparatus for determination of a recruitable volume in a lung has a control system connectable to a pneumatic unit and to a measurement system and operable to, at a first point in time,...
6837242 Method and apparatus for determining respiratory system resistance during assisted ventilation  
Method and apparatus are described for determining respiratory system resistance (R) in a patient receiving gas from a ventilator. A negative pulse in the pressure and/or flow output of the...
6837244 Oxygen enriching apparatus, controller for the oxygen enriching apparatus, and recording medium for the controller  
A small oxygen enriching apparatus which can supply oxygen-enriched gas at high flow rate without imparting unnatural sensation to a user, as well as a controller and recording medium therefore....
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...
6823862 Flow indicator  
A flow indicator (F) for an inhaler (I) comprises a housing (1) defining a mouthpiece (M2), an inlet (2) for connection to the product-dispensing chamber of the inhaler, a chamber (3) positioned...
6820618 Method and apparatus for nullifying the imposed work of breathing  
A method and corresponding medical ventilator for nullifying the work of breathing imposed by the ventilation breathing apparatus during ventilation support of a patient having a source of...
6820613 Process and device for controlling the breathing gas supply  
A process is provided for controlling at least one parameter of the breathing gas supply of a respirator with a patient connected to it as well as to a corresponding control device. The...
6814074 Gas supply for sleep apnea  
Controlled pressurized air is supplied to the upper anatomical airways of a patient suffering from a sleep disorder, such as apnoea. The apparatus measures the air flow and pressure to the airway,...
6814076 Ambient pressure control ventilation apparatus and method  
An ambient pressure control ventilation apparatus controls mechanical ventilation of a patient. The apparatus comprises: a sealable chamber adapted to accommodate a while body of a patient, a pump...
6810877 High sensitivity pressure switch  
A circuit for use in respiration type apparatus using a piezoresistive transducer and wherein the temperature effects on system stabilization are minimized and system initialization times are...
6810876 Assisted ventilation to match patient respiratory need  
The apparatus provides for the determination of the instantaneous phase in the respiratory cycle, subject's average respiration rate and the provision of ventilatory assistance. A microprocessor...
6805120 Breathing assistance apparatus  
A pressure regulator for regulating the expiratory flow in a CPAP system includes submerging a tube into a column of water. Improvements are included for adjusting the level to which the tube is...
6805121 Anti-g pressure regulator for supplying breathable gas to a pilot's face mask and method  
An anti-g pressure regulator functions, in conjunction with a pressurized anti-g suit during high g loads, to supply O2 to a pilot's face mask during the inhalation phase with the O2 pressure...
6793629 Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apnea  
A diagnostic device having a nose fitting used without connection to a breathing gas supply for obtaining flow data values at ambient pressure. The nose fitting is connected to a pressure or flow...
6766800 Pressure regulating valve for use in continuous positive airway pressure devices  
A valve for use in continuous positive airway pressure (CPAP) devices includes a valve body that is disposed at or between the patient mask and the source of positive airway pressure. The valve...
6763828 Apparatus for maintaining airway patency  
An apparatus is provided for relaxing an apneic obstruction in a nasopharyngeal airway of a patient. A bolus chamber and a rearward chamber are defined within a housing. A movable piston within...
6761165 Medical ventilator system  
A medical ventilator system is disclosed which automatically controls and modifies the oxygen support provided to the patient. The system includes a source of pressurized oxygen and a fluid...
6752766 Method and device for sleep monitoring  
A method of identifying a minimum of one breathing parameter which is characteristic for the breathing status of a sleeping individual comprises the following steps: measurement of the derivative...
6739337 System and method for transient response and accuracy enhancement for sensors with known transfer characteristics  
A parameter of interest being measured by a sensor is estimated from output response data from the sensor and the known transfer function of the sensor, allowing fast and accurate sensor data from...
6739334 Expiration cassette that is removably insertable in the expiration section of a ventilation  
An expiration cassette is removably insertable in a receiving section of a ventilator and contains a gas passage, an expiratory valve and a flow meter. The expiratory cassette also has a locking...
6739336 Arrangement and method for feedback control of a gas flow in a breathing assist apparatus  
A feedback controller for regulating respiratory gas in a mechanical breathing aid system has a comparator means for periodically generating, in a current breathing cycle, an error signal...
6718975 Method for assessing pulmonary stress and a breathing apparatus  
In a method for assessing pulmonary stress, a volume of respiratory gas is received from the lungs of a subject, an ensuing pressure is measured and the pressure-volume (P-V) relationship is...
6708689 Elimination of vapor anaesthetics from patients after surgical procedures  
A breathing circuit system for ventilating an anaesthetized patient. The system comprises a standard primary circle anaesthetic circuit which itself comprises a one-way inspiratory limb for...
6705314 Apparatus and method for relieving dyspnoea  
Apparatus (1) for relieving dyspnoea in an ambulatory exercising subject comprises a housing (3) to be worn on the subject, and within which a variable speed air blower motor (5) is located for...
6705315 Device for monitoring breathing during sleep and ramped control of CPAP treatment  
A CPAP apparatus including: a variable pressured air source and means to vary the air pressure delivered therefrom; a nose piece for sealed air communication with a patient's respiratory system;...
6694969 Method to improve oxygenation in subjects suffering impaired oxygenation  
A method for improving oxygenation in subjects having essentially healthy lungs, as evidenced by the absence of a diagnosis of lung disease or injury, but having reduced alveolar gas exchange...
6679258 Ventilator operable in a compensated volume support mode  
A ventilator for connection to a patient to provide assisted breathing, has a gas flow generator, a pressure meter, a flow meter and a control unit, which determines a gas pressure, on the basis...
6675798 Automatically regulating oxygen flow to a patient  
Automatically regulating oxygen flow to a patient, sympathetic to a patient's changing needs, is disclosed by a method and apparatus for providing a regulated flow of gas from a gas supply to...
6672300 Respiration assistor  
A respiration assistor (10) for use in an anaesthesia breathing system. The respiration assistor is intended to provide respiratory assistance for a patient (14) who is breathing spontaneously...
6651656 Method and apparatus for non-invasive breathing assist  
An apparatus, method and system for non-invasive breathing assistance to a patient. The apparatus comprises a hose or other gas conduit with a valve. Proximity of the patient to a sensor causes...
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...
6629529 Method for maintaining airway patency  
A method is provided for effecting improved airway ventilation of a patient which involves delivering a momentary pulse, thrust or bolus of pressurized air into the patient's airway at...
6629934 Indirect calorimeter for medical applications  
An improved respiratory analyzer comprises a disposable flow module and non-disposable electronics module. An improved ventilator system comprises a supply of respiratory gases, a ventilator line...