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6354292 |
Elimination of vapour anaesthetics from patients after surgical procedures
A simple breathing circuit is designed to be added to a standard anesthetic circuit to hasten recovery of patients administered vapor anesthetic prior to an operation and also to method of...
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6349719 |
Formulation and devices for monitoring the efficacy of the delivery of aerosols
Aerosolizable formulations are disclosed comprised of a pharmaceutically acceptable carrier, a pharmaceutically active drug or detectably labeled compound and a compound which is recognized by its...
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6347630 |
Respiration-synchronized oxygen supplying apparatus
A respiration-synchronized oxygen supplying apparatus includes a sensor detecting respiration of human being, a valve connecting and disconnecting communications between a first gas passage coupled...
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6345619 |
Control of the administration of continuous positive airway pressure treatment
A CPAP treatment apparatus has a patient mask is coupled to an air delivery conduit. The air delivery conduit is coupled to an impeller and motor, collectively forming a blower arrangement for...
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6332463 |
Flow estimation and compensation of flow-induced pressure swings in CPAP treatment and assisted respiration
A method of flow estimation during CPAP treatment is disclosed and involves measuring turbine (32) speed by means of the motor's Hall-effect sensors (80). The equivalent pressure, p est , that...
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6321748 |
Closed loop control in a piston ventilator
A piston ventilator (10) includes a control circuit (80) for controlling the pressure to a patient circuit and thereby to the patient during patient inspiration. The control circuit (80) determines...
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6318365 |
Process for switching the inspiration or expiration phase during CPAP therapy
A method of changing to the inhalation or exhalation phase in the CPAP therapy is provided. By means of a first, high threshold value and a second, low threshold value, nonspecific influences on...
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6305373 |
System and method for setting and displaying ventilator alarms
The invention is directed to a ventilation control system for controlling the ventilation of a patient. The ventilation control system utilizes a user-friendly user interface for the display of...
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6305372 |
Pressure support ventilatory assist system
A pressure support ventilatory assist device is disclosed. Pressure is provided by a blower which is operated at the minimum speed necessary to achieve the desired inspiration pressure. Pressure...
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6286505 |
Portable anaesthetic machine and emergency kit
A portable anaesthetic machine allows dispensing of a liquid anaesthetic to a patient, which is sometimes desirable and may be hard to achieve, especially with portable equipment. This portable...
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6286508 |
Auto CPAP system 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 treatment. OSA therapy is implemented...
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6283122 |
Exhalation valve for respirator
An exhalation assembly which includes a hollow flow-through body, having an air inlet port and an air outlet port. The inlet port is arranged to receive air for supplying to a patient, and the air...
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6283119 |
Breathing aid apparatus in particular for treating sleep apnoea
A compressor driven by a motor sends to a nasal mask a breathable gas at a low positive relative pressure whereby the motor is controlled to maintain the pressure in the delivery pipe of the...
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6273087 |
Respiratory aid
A tubular respiratory assistance device which forms the wall of a main channel and is intended to be connected by its distal end to a patient's airway, so that the main channel connects the...
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6273088 |
Ventilator biofeedback for weaning and assistance
Apparatus and method to monitor patient breathing during weaning from ventilator dependency to assure adequate performance and safety, and to provide visual respiratory biofeedback breathing...
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6257234 |
Apparatus and method for determining respiratory mechanics of a patient and for controlling a ventilator based thereon
A ventilation system is controlled by detecting the resistance and elastance of the patient's respiratory system and adjusting the flow supplied by the ventilator accordingly. In one embodiment,...
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6240920 |
Method for determining a parameter related to spontaneous breathing efforts by a subject, and breathing-assist apparatus operating in accordance with the method
In a method and apparatus for determining at least one parameter related to a patient's spontaneous attempts at inspiration and/or the patient's respiratory effort in attempts at spontaneous...
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6237594 |
Pneumatically-operated gas demand apparatus
A pneumatically-operated gas delivery device coupled in interruptible fluid communication between a recipient and at least one course of pressurized respiratory gas controls delivery of the...
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6237589 |
Dispensing system
A product dispensing system comprises a calibrated nebulizer having a nebulizer jet, mouthpiece, means for sourcing compressed air, a manifold for distributing the source of compressed air in at...
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6224560 |
Flow restrictor for measuring respiratory parameters
A flow restrictor is applied to a respiration-channeling device such as a tracheostomy tube, a mouthpiece, or a face mask. The flow restrictor creates a pressure differential which varies with...
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6220244 |
Conserving device for use in oxygen delivery and therapy
A method and apparatus for conserving oxygen provided for oxygen therapy. The oxygen conserving delivery system includes a sensor for detecting inspiration efforts, and a microcontroller which is...
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6216692 |
Airway adaptor for measurement of gas concentration
Windows 2 which allow infrared light to be transmitted therethrough are opened at opposed positions of side walls of a flow tube 1, respectively. A hexagonal frame 6 is air tightly attached to each...
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6213955 |
Apparatus and method for breath monitoring
Apparatus for measuring respiratory air flow from the nostrils of the nose and/or the mouth of a patient comprising a device positioned in the vicinity of the nose and/or mouth of the patient and...
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6213120 |
Device and method for determining gas volume and volumetric changes in a ventilator
A detector for determining the volume and volumetric changes of respiratory gases in a closed circuit anaesthesia circuit having a bellows ventilator. The device includes a first sensor positioned...
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6213119 |
Inspiratory duration in CPAP or assisted respiration treatment
Apparatus for the supply of breathable gas cyclically at an inspiratory pressure and a lower expiratory pressure substantially in synchronism with a patient's respiration. A flow generator coupled...
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6210342 |
Bi-directional partial re-breathing method
A re-breathing method for determining pulmonary capillary blood flow that accounts for changes in the cardiac output or in the carbon dioxide content of the venous blood of a patient. The carbon...
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6202642 |
Electronic monitoring medication apparatus and method
A system for dispensing medication includes: a medicine canister that contains medicine to be dispensed, an actuator that houses the medicine canister and an adapter assembly that allows for...
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6196222 |
Tracheal gas insufflation delivery system for respiration equipment
A tracheal gas insufflation delivery system for use with a ventilator breathing system including a ventilator and a breathing circuit. The delivery system includes a flow generator connected to the...
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6192876 |
Inhalation apparatus and method
An apparatus for and a method of ensuring the fit of a face mask to the face of a patient, the apparatus including a face mask having an inlet through which gas can be inhaled and a sensor for...
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6192883 |
Oxygen flow control system and method
The present invention provides an oxygen control system for supplying a predetermined rate of flow from an oxygen source to a person in need of supplemental oxygen comprising an input manifold, an...
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6186142 |
Control of respiratory oxygen delivery
Methods and systems for supplying respiratory oxygen to patients when the patients are inhaling are disclosed. The methods and systems may rely on delivery devices that are selectively placed in...
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6164276 |
Accurate dose nitric oxide pulse delivery device with monitoring and alarms
A respiratory therapy apparatus that delivers a predetermined precise volume of a therapeutic gas to a patient upon each inhalation of the patient. The apparatus has a flow sensing device and a...
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6161538 |
Individual equipment for protection against NBC threats
The equipment has a helmet, a full face-cover fitted with fastenings for fixing it to the helmet, and with a coupling for connection to a breathable gas feed hose. It also has a flexible envelope...
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6158433 |
Software for finite state machine driven positive pressure ventilator control system
An improved software control system for a positive pressure ventilator that implements the controller that regulates the ventilator solenoid as a finite state machine. The use of a state machine...
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6155257 |
Cardiopulmonary resuscitation ventilator and methods
The invention provides systems and methods for ventilating a patient in association with cardiopulmonary resuscitation procedures. In one exemplary embodiment, a system comprises a ventilator to...
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6155256 |
Fresh gas system and a method for vaporizing a liquid anaesthetic
In a fresh gas system and a method for vaporizing a liquid anaesthetic in an anaesthetic machine, a gas preparation unit prepares a flow of fresh gas having a gas mixture from at least two sources...
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6152131 |
Method and apparatus for detecting an empty breathing gas compartment in a patient ventilator
An apparatus/method for detecting an empty breathing gas compartment condition in a bellows ventilator for a patient. The apparatus includes a first sensor for measuring, during inspiration, the...
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6152134 |
Oxygen conserving device
A portable oxygen conserving apparatus to deliver oxygen to a patient generally only during inhalation. The device includes an inlet connected to an oxygen source, an outlet which communicates...
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6142148 |
Measuring detector and system for the measurement of gas flow
Measuring transducer and system for the measurement of gas flow, especially for the measurement of the pressure and/or flow of a patient's respiratory gas. The surface of the flow channel (1) wall...
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6142149 |
Oximetry device, open oxygen delivery system oximetry device and method of controlling oxygen saturation
The present invention includes oximetry devices, open oxygen delivery system oximetry devices and method for controlling oxygen saturation. According to one aspect of the present invention, an...
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6142147 |
Nasal delivery system for inhaled nitric oxide
A device for pulsed delivery of inhaled nitric oxide (NO) to a spontaneously breathing patient is disclosed. The device delivers NO, e.g., through a nasal cannula, only during the inspiratory phase...
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6138675 |
Determination of the occurrence of an apnea
Methods and apparatus for determining the occurrence of an apnea, patency and/or partial obstruction of the airway are disclosed. Respiratory air flow from a patient is measured to give an air flow...
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6138674 |
Active temperature and humidity compensator for anesthesia monitoring systems
The humidity and/or temperature of a gas sample is monitored so that these system parameters can be accounted and/or actively monitored and controlled. In one embodiment, a gas analyzer system (10)...
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6135106 |
CPAP pressure and flow transducer
A continuous positive airway pressure (CPAP) apparatus for treatment of sleep apnea stores data indicating patient compliance with the prescribed mode of use. The apparatus includes a tubular probe...
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6135107 |
Metabolic gas exchange and noninvasive cardiac output monitor
A respiratory gas analyzer for measuring the metabolic activity and the cardiac output of a subject includes a bi-directional flow meter and a capnometer sensor interconnected by conduits and...
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6131569 |
Oxygen inhaler
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6131571 |
Ventilation apparatus and anesthesia delivery system
A combination ventilation apparatus and anesthesia delivery system comprises a circulation loop within which oxygen and air or other clinical gas, or a mixture of air, oxygen, nitrous oxide or...
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6125848 |
Distal volume monitoring
A system that enables the accurate monitoring of tidal volume of a patient when using a Bain, Mapleson D or similar type of patient breathing circuit in an anesthesia system. The system allows the...
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6126610 |
Pneumatic connector with encoding
A connector for connecting segments of one or more pneumatic tubes including a first member, a second member and a sealing element. The first member and second member are configured to interconnect...
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6123072 |
Method and apparatus for breathing during anesthesia
A method and apparatus are provided for ventilation of patients during general anesthesia. Breathing gas is supplied to the patient during anesthesia at a controlled volume above the functional...
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