|
Match
|
Document |
Document Title |
|
|
4233842 |
Apparatus for measurement of expiration fluids
A dynamic method and apparatus for determining the rate of expiration of a selected fluid constituent expired by a living subject during respiration. The apparatus includes a fluid path system...
|
|
|
4220162 |
Alveolar gas sampling system and method
An alveolar gas sampling system comprises a catheter adapted for placement in a patient's nostril or in an endotracheal tube and connected to a positive displacement pump through a three way valve....
|
|
|
4202352 |
Apparatus for measurement of expired gas concentration in infants
Apparatus for measuring expired gas concentration in infants whose breathing rate is too high for normal analyzers by sampling the breath, for instance from the tube between the respirator and the...
|
|
|
4202212 |
In-line respirating pump
Device for sampling air in proportion to respiration, particularly the collection of air pollutants in proportion to the actual respiration of the wearer. The device includes a pump supported...
|
|
|
4197858 |
Sensing liquid trap for respiratory gas analyzing systems
A trap for collecting liquid in a gas line between the patient and a respiratory gas analyzer which trap senses the collection of a predetermined volume of liquid and operates upon sensing that...
|
|
|
4183247 |
Method for sampling air in proportion to respiration
Method for sampling air in proportion to respiration, particularly the collection of air pollutants in proportion to the actual respiration of the wearer. The method is characterized by its use of...
|
|
|
4178919 |
Flowmeter for providing synchronized flow data and respiratory gas samples to a medical mass spectrometer
Respiratory gas flow data is synchronously provided along with continuous samples of the gases for analysis by a medical mass spectrometer. The gas flow data is determined by use of the...
|
|
|
4177668 |
Apparatus for determining the alcoholic content in the blood
An apparatus for determining the alcoholic content in blood. A sensor receives exhaled air from a person being tested and produces a signal which is sent to at least two comparator devices for...
|
|
|
4169465 |
Method and apparatus for obtaining non-invasive cardio-pulmonary measurements
A method and apparatus for obtaining non-invasive cardio-pulmonary measurements, without voluntary patient cooperation, by means of an inhalation indicator dilution rebreathing device having a...
|
|
|
4140106 |
Drunkometer
A drunkometer in which the rate of airflow toward an alcohol vapor sensing device in an input channel is sensed mechanically or electrically, and a resulting flow signal is integrated. The...
|
|
|
4067320 |
Arrangement for drift compensation in a gas analyzer
An arrangement for automatic drift compensation in a gas analyzer in which a source of radiation radiates through the gas to be analyzed, and directs the radiation onto a detector. The latter forms...
|
|
|
4011859 |
Method for continuously measuring the CO.sub.2 content in breathing gases
A method of continuously measuring the CO 2 content in breathing gases during inspiration and exhalation phases of breathing using a luminous source to pass infrared light rays through an...
|
|
|
3951137 |
Rebreathing system
A constant volume rebreathing system when utilized in conjunction with an external air source, such as man. The rebreathing system forms a completely closed system between man and the environment....
|
|
|
3927670 |
Automatic respiratory gas monitoring system
An automated system monitors and records vital signs and respiratory gases of each of several patients in an intensive care center by time-sharing the use of a mass spectrometer and hybrid...
|
|
|
3910261 |
End-tidal gas analysis apparatus for respirators
Intermittently operated gas analysis apparatus and a method for monitoring the proportion of particular gases carried in the end-tidal portion of breathing. An analysis sample is obtained,...
|
|
|
3896792 |
Real-time cyclic pulmonary function test system
A pulmonary function testing system is described, together with a method of testing, which system is characterized by sensing of flow, volume, pressure, and constituent parameters of respiratory...
|
|
|
3895630 |
Respiratory gas analyzer including a carbon dioxide and respiratory quotient computer
A respiratory gas analyzer system and apparatus for medical purposes is provided. The system includes a thermal conductivity cell for measuring the amount of carbon dioxide in a sample of a...
|
|
|
3888630 |
Breath testing method
Alcohol content of subject's breath is determined by flowing a breath sample over a combusting surface, provided by a heated catalyst, to cause oxidation of the alcohol constituent which, in turn,...
|
|
|
3886929 |
Breath tester null memory system
A breath alcohol concentration detecting system includes an alcohol detector having a bridge circuit. Before testing a gas sample from a human subject, the system is cycled to provide a reference...
|
|
|
3880591 |
Mouthpiece for breath testing devices
A mouthpiece comprises a breath-receiving cup member mounted on a hollow stem member which provides an outlet of the mouthpiece and which is adapted for connection to the inlet of a breath testing...
|
|
|
3834375 |
RESPIRATORY GAS ANALYZER FOR MEASURING AND DISPLAYING OXYGEN UPTAKE IN EXPIRED AIR
A respiratory gas analyzer is provided in the form of a breath gas measuring instrument and system in which the oxygen uptake in the expired air of a subject, and the oxygen consumption per unit of...
|
|
|
3831707 |
SYSTEM TO PREVENT DRUNKEN DRIVING
A device which tests a vehicle operator for drunkenness and prevents operation of the vehicle in response to a sensed drunken condition.
|
|
|
3818901 |
APPARATUS FOR AUTOMATICALLY PERIODICALLY MEASURING AND DISPLAYING THE TOTAL AIR EXPIRED BY A SUBJECT DURING EACH OF A SUCCESSION OF GIVEN TIME INTERVALS
A respiratory gas analyzer is provided which measures and then instantly displays the volume of expired air from a subject. The instrument includes a positive displacement flow meter which is...
|
|
|
3809067 |
MODULATION RESPONSIVE ANTI-EVASION SYSTEM FOR BREATH TESTERS
An anti-evasion system is disclosed for breath alcohol testers including a sound transducer and filter network that distinguishes between the presence and absence of human modulation of the breath...
|
|
|
3785370 |
DETECTION OF IMPAIRED PULMONARY FUNCTION
A non-radioactive tracer technique for detecting the presence of impaired pulmonary function indicating disease of the small airways at a much earlier stage than is permitted by previously used...
|
|
|
3759249 |
RESPIRATORY ANALYSIS SYSTEM AND METHOD
A system for monitoring the respiratory process wherein the gas flow rate and the frequency of respiration and expiration cycles can be determined on a real time basis. A face mask is provided with...
|
|
|
3726270 |
PULMONARY INFORMATION TRANSMISSION SYSTEM
A system by which signals pertaining to the pulmonary condition of a patient are transmitted to a location which is remote from the location of the patient. The signals are transmitted as the...
|
|
|
3725658 |
APPARATUS AND METHOD FOR CONTINUOUSLY DETECTING OXYGEN IN A GAS STREAM
An apparatus and method for continuously detecting oxygen in a carrier gas stream. The apparatus employs a sensor film comprising a fluorescent material emitting from 3000 - 8000 A, dissolved in a...
|
|
|
3661528 |
BREATH SAMPLER
A breath sampler device for use with an air analyzer. The sampler includes a chamber, an intake port leading into the chamber, an outlet port exiting from the chamber, and a breathing port through...
|
|
|
3612039 |
AIR HOMOGENIZER FOR RESPIRATORY GAS ANALYSIS EQUIPMENT
An air homogenizer device comprising an enclosure defining a chamber formed with an inlet opening and an outlet port, and a mixer conduit within the chamber forming the crossbar of a T-shaped pipe...
|
|
|
3544273 |
APPARATUS FOR SAMPLING AND ANALYZING BREATH
|
|
|
3509771 |
BREATH SAMPLING APPARATUS
|
|
|
3507146 |
METHOD AND SYSTEM FOR RESPIRATION ANALYSIS
|
|
|
3498294 |
INHALATION AEROSOL DOSIMETER AND METHOD OF MEASURING DOSAGE
|
|
|
3420224 |
APPARATUS FOR ANALYSIS OF RESPIRED GAS
|
|
|
3403678 |
Whole body perfusion time monitor and method
|
|
|
3395701 |
End tidal sampler for an oxygen breathing mask
|
|
|
3364476 |
Interaction analyzer
|
|
|
3306283 |
Oxygen utilization analyzer
|
|
|
3303840 |
Apparatus for collecting and analyzing alveolar gas from the lungs
|
|
|
3280636 |
Bio-monitoring system
|
|
|
3238783 |
Breath sampling apparatus
|
|
|
3734692 |
Title is not available
|
|
|
3600134 |
Title is not available
|