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5694923 |
Pressure control in a blower-based ventilator
A valving arrangement for use with or for a blower-based ventilator system, such as a pressure support ventilator, and a pressure support ventilator having such a valving arrangement, in which...
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5692497 |
Microprocessor-controlled ventilator system and methods
A microprocessor controlled ventilator controls a patient's breathing selectively. In a preferred aspect, the ventilator utilizes intratracheal pulmonary ventilation and a reverse thrust catheter...
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5685296 |
Flow regulating valve and method
A flow regulating system including a valve and a method for maintaining a constant gas flow rate through a patient circuit to ambient exhaust at varying gas pressure by means of differential gas...
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5682878 |
Start-up ramp system for CPAP system with multiple ramp shape selection
A start-up ramp system for CPAP and bilevel CPAP devices. The system offers the patient a choice of at least two, time-pressure ramp paths over a predetermined, fixed, initial time interval to a...
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5682881 |
Nasal CPAP/Cannula and securement apparatus
A nasal continuous positive airway pressure (CPAP) and nasal cannula device, e.g. NCC device, with modular components and a mean airway pressure (MAP) measurement port. The NCC device includes a...
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5682877 |
System and method for automatically maintaining a blood oxygen saturation level
A system and method for automatically selecting an appropriate oxygen dose to maintain a desired blood oxygen saturation level is disclosed. The system and method are particularly suited for use...
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5676131 |
System for protecting sample line in respiratory gas analyzer
A method and apparatus is described for preventing contamination of a gas analyzer of respiratory gas exchange analyzing equipment due to a patient's saliva. The method involves determining a...
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5676132 |
Pulmonary interface system
A device for sensing the respiratory air of a patient. The device includes a venturi tube through which the patient inspires and expires, the tube having a constricted midportion. The tube also has...
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5664562 |
Breathing aid device
A patient circuit (1) comprises an inspiratory branch (3) connected to an inspiratory flow rate source (11), and an expiratory branch (4) connected to the atmosphere through an expiratory valve (V...
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5655522 |
Sleep apnea treatment apparatus and passive humidifier for use therewith
Apparatus for delivering pressurized gas to the airway of a patient including: a gas flow generator for providing a flow of gas, a breathing appliance for sealingly communicating with the airway of...
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5647351 |
Ventilating system for supplying a patient with respiratory gas and method for triggering the respiratory phases in said system
A ventilating system for supplying a patient with respiratory gas has an apparatus for measuring a respiratory gas flow curve 27 and a respiratory gas pressure curve 28 and has an evaluation...
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5645054 |
Device and method for the treatment of sleep apnea syndrome
The present invention comprises a method and apparatus for the treatment of sleep apnea through the application of real-time, interactive positive airway pressure within the airway of a patient...
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5645053 |
Auto CPAP system and method for preventing patient disturbance using airflow profile information
The present invention relates to systems and methods for automatically and continuously regulating the level of nasal pressure to an optimal value during OSA (Obstructive Sleep Apnea) treatment....
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5632270 |
Method and apparatus for control of lung ventilator exhalation circuit
Patient airway baseline pressure levels are controlled in a ventilator having a pneumatically controlled exhalation valve without an external supply of pilot pressure, by supplying an internal...
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5630411 |
Valve for use with inhalation/exhalation respiratory phase detection circuit
An apparatus for controlling the pressure of a respiratory gas delivered to a patient includes a phase detection circuit for determining the inhalation and exhalation phases of a patient's...
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5626131 |
Method for intermittent gas-insufflation
An intermittent gas-insufflation apparatus insufflates a quantity of the gaseous fluid into an entrance of a respiratory system of a breathing patient during an exhalation interval of an immediate...
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5623938 |
Method and apparatus for respiration monitoring
An apparatus for monitoring the expansion and contraction of the thoracic cavity of a patient caused by respirations comprises, generating means for generating an AC examination current signal,...
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5617846 |
Method of controlling a respirator for treatment of sleep apnea and device for carrying out the method
For controlling a respirator for treatment of sleep apnea, a patient's oscillatory pressure amplitude, which corresponds to a patient's breathing resistance is continuously measured, and the...
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5617847 |
Assisted breathing apparatus and tubing therefore
A tubing assembly is disclosed for use between an exhalation valve and a ventilator for providing assisted breathing to a patient. The ventilator has a patient air outlet, a exhalation valve...
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5603316 |
Disabling apnea volume software
A system for allowing a user to disable an apnea alarm in an anesthesia system when the anesthesia ventilator is in the mechanical ventilation mode. The system takes advantage of the redundancy of...
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5603315 |
Multiple mode oxygen delivery system
In various embodiments of a pulse dose and conservation oxygen delivery system, a control circuit, which is typically microprocessor based, monitors a differential pressure sensor coupled to a...
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5582163 |
Respiratory control system and apparatus
A respiratory control system and apparatus for delivering controlled and or assisted respiratory cycles to the patient includes a flow and pressure control valve, exhalation valve, flow transducer,...
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5577496 |
Respiratory protective apparatus
The present invention relates to a respiratory protective apparatus utilizing a powered filtering device having a housing, with at least one inlet and an outlet, and a pump located between the...
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5575283 |
Device for determining an opening pressure in the lungs
Most alveoli could collapse in different illnesses and injuries to a lung. A relatively high positive pressure, which could in itself damage the lung or impede its healing, is required to open the...
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5572993 |
Apparatus for assisting in ventilating the lungs of a patient
An apparatus for assisting in ventilating the lungs of a patient comprises a respiratory gas source means; a breathing mask means; a conduit means for fluidly connecting the respiratory gas source...
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5562078 |
Endotracheal tube/stethoscope connector
According to the present invention there if provided a connector comprising a generally hollow body having a cross section that varies over the length of the body, having a distal end sized to fit...
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5560353 |
Equipment and process for supplying doses of at least one gas to the respiratory tracts of a user
A system supplies discrete puffs of gas, containing particles of an active product, to a patient's respiratory tract. A nebulizer containing the particles is in a gas circuit supplying gas to the...
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5558085 |
Intrapulmonary delivery of peptide drugs
A method of treating human patients is provided by the intrapulmonary delivery of a pharmaceutically active peptide formulation. The formulation is automatically released in an aerosolized form...
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5558086 |
Method and apparatus for the intermittent delivery of oxygen therapy to a person
A portable apparatus for supplying dosages of an oxygen-containing gas to the respiratory tract of a person in synchronization with the inhalation phase of the respiratory cycle of said person...
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5555880 |
High frequency oscillatory ventilator and respiratory measurement system
A high frequency oscillatory ventilator for infants and adults using feedback control to maintain either the desired tidal volume or pressure delivered to the subject. The inspiratory to expiratory...
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5557049 |
Disposable manometer for use with a CPR bag
A disposable manometer includes a chamber connectable to a source of CPR air pressure via a patient breathing valve and an elongated restricted passageway. The manometer includes a dial and a...
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5551419 |
Control for CPAP apparatus
The invention relates to continuous positive airway pressure (CPAP) respiratory therapy apparatus for treatment of apnea, hypopnea and other sleep disorders, and particularly to a control for the...
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5549106 |
Inspiratory airway pressure system using constant pressure and measuring flow signals to determine airway patency
An apparatus and method for facilitating the respiration of a patient are disclosed which are particularly useful in treating mixed and obstructive sleep apnea and certain cardiovascular...
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5546933 |
Method for optimizing the continuous positive airway pressure for treating obstructive sleep apnea
In the treatment of obstructive sleep apnea, a method and apparatus are disclosed for optimizing the controlled positive pressure to minimize the flow of air from a flow generator while still...
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5546935 |
Endotracheal tube mounted pressure transducer
The present invention provides an endotracheal breathing tube useful in patient ventilation that has a distally mounted pressure sensor transducer. The endotracheal breathing tube of the present...
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5542415 |
Apparatus and process for controlling the ventilation of the lungs of a patient
The breathing of a patient is monitored with a movement sensor, taped to the abdomen of the patient, that produces an output signal indicative of the movement of the diaphragm of the patient. The...
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5542416 |
Apparatus for assisting ventilation including reduced exhalation pressure mode
The invention provides apparatus for assisting with the ventilation of a ient, which includes a source (10) of pressurized gas, a transmission circuit including a main inhalation conduit (14)...
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5542410 |
Delivery of aeerosol medications for inspiration
Apparatus and methods for delivering an amount of aerosolized medicine for inspiration by a patient in response to the occurrence of appropriate delivery point or points in the patient's detected...
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5542414 |
Gas supplying head enclosure with expandable pressure indicator
An apparatus for monitoring a respiratory gas flow, comprising a gas collector unit (8), which separates an ambient gas space from that remaining inside the gas collector unit and in which a...
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5540220 |
Pressure-limited, time-cycled pulmonary ventilation with volume-cycle override
A pressure-limited, time-cycled pulmonary ventilator includes a pressurized gas system that supplies respiratory gas to a patient at a selected inspiratory flow rate; an exhalation valve that (a)...
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5540219 |
Sleep apnea treatment apparatus
Apparatus for delivering pressurized gas to the airway of a patient including: a gas flow generator for providing a flow of gas, a breathing appliance for sealingly communicating with the airway of...
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RE35295 |
Sleep apnea treatment apparatus
Improved methodology and apparatus for the treatment of sleep apnea through (1) application of alternating high and low level positive airway pressure within the airway of the patient with the high...
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5522378 |
Automatic aerosol medication delivery system and methods
A portable, battery powered, hand-held system for releasing a controlled dose of aerosol medication for inhalation by a patient including a durable body and a medication cassette inserted in the...
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5522382 |
Device and method for treating obstructed breathing having a delay/ramp feature
An air flow device and a method useful for the treatment of upper airway disordered breathing. The invention provides an airflow device having a means for delivering variable pressure levels of...
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5520166 |
Medication cassette for an automatic aerosol medication delivery system
A portable, battery powered, hand-held system for releasing a controlled dose of aerosol medication for inhalation by a patient including a durable body and a medication cassette inserted in the...
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5513631 |
Triggering of patient ventilator responsive to a precursor signal
A ventilator is operable to ventilate a patient responsive to a trigger signal. A nasal sensor is affixed to the external surface of the nose of the person. A nasal sensor output signal is produced...
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5513647 |
Method for measuring adult-type pulmonary function tests in sedated infants and apparatus therefor
A maximum expiratory vital capacity maneuver is produced in an infant by a method which comprises the steps of 1) inflating the lungs of an infant with air synchronously with natural tidal...
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5509404 |
Intrapulmonary drug delivery within therapeutically relevant inspiratory flow/volume values
A method of drug delivery is disclosed wherein a patient's inspiratory flow rate and inspiratory volume are simultaneously measured using a portable, hand-held, device which may be electronic and...
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5506571 |
Low air warning device for scuba divers
A low air warning device for scuba divers. The low air warning device attaches to the first stage of the air regulator, which is attached to the top of the air tank. The low air warning device,...
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5503146 |
Standby control for CPAP apparatus
The invention relates to continuous positive airway pressure (CPAP) respiratory therapy apparatus for treatment of apnea, hypopnea and other sleep disorders, and particularly to a standby control...
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