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| Number | Title | Issue Date |
| 5957132 | Quick-donning full face oxygen mask with inflatable harness and soft foldable lens A mask and harness system for use in providing breathing oxygen and protection from pollutants for the eyes and respiratory system as might be encountered in high altitude aviation environments. In one preferred embodiment, the mask system has a face seal... | 09/28/1999 |
| 5664566 | Quick-donning full face oxygen mask with inflatable harness and soft foldable lens A mask and harness system for use in providing breathing oxygen and protection from pollutants for the eyes and respiratory system as might be encountered in high altitude aviation environments. In one preferred embodiment, the mask system has a face seal... | 09/09/1997 |
| 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 conditions, among others, by increasing nasal air pressure delivered... | 08/27/1996 |
| 5517983 | Compliance meter for respiratory therapy A respiratory apparatus (10) operable for delivering a breathable gas to the airway of a patient includes a status monitor (24,26) for determining the status of usage of the unit by the patient and a timer (32) for determining the accumulated time of usag... | 05/21/1996 |
| 5466134 | Scroll compressor having idler cranks and strengthening and heat dissipating ribs A scroll compressor includes a fixed scroll member and an orbiting scroll. The orbiting scroll member is operatively connected to a motor to be driven in an orbiting motion by the motor. The scroll members each include a plate having an inboard surface an... | 11/14/1995 |
| 5443075 | Flow measuring apparatus Apparatus for accurately and reliably measuring fluid flow under turbulent or pulsating conditions with high signal-to-noise ratio and using a symmetrical design which works with flow in either direction. The apparatus is particularly well-suited for meas... | 08/22/1995 |
| 5438980 | Inhalation/exhalation respiratory phase detection circuit An apparatus (10) for controlling the pressure of a respiratory gas delivered to a patient includes a phase detection circuit (24) for determining the inhalation and exhalation phases of the patient's respiratory cycle. More particularly, a flow signal re... | 08/08/1995 |
| 5369979 | Ultrasonic gas measuring device incorporating efficient display An ultrasonic gas measuring device including a housing, walls for the housing, the walls having a gas inlet and a gas outlet provided therethrough, ultrasonic detecting means provided within the housing, the ultrasonic means having a transmitter, operativ... | 12/06/1994 |
| 5338516 | Chemical oxygen generator An improved chemical oxygen generator (10) includes an oxygen generating candle (12) having an oxygen source, which upon decomposition will yield oxygen, and a nontoxic additive to smooth decomposition and suppress formation of toxic free chlorine gas. Th... | 08/16/1994 |
| 5298187 | Non-toxic chemical oxygen generating compositions An oxygen-generating candle composition is disclosed of the type that includes an amount of an alkali metal chlorate or perchlorate oxygen source and which upon initiation and decomposition yields oxygen and residual chlorine, wherein the improvement comp... | 03/29/1994 |
| 5279761 | Chemical oxygen generating compositions containing LI202 An oxygen-generating candle composition is disclosed of the type that includes an amount of an alkali metal chlorate or perchlorate oxygen source and which upon initiation and decomposition yields oxygen and residual chlorine, wherein the improvement comp... | 01/18/1994 |
| 5259373 | Inspiratory airway pressure system controlled by the detection and analysis of patient airway sounds An apparatus and method for facilitating the respiration of a patient detects patient airway sounds and resolves these sounds into audio component bands whereupon an analysis is performed to produce a trend value. In response, a pressure action is determi... | 11/09/1993 |
| 5231979 | Humidifier for CPAP device A humidifier (10) is provided which includes a body (16) defining a plenum (32) for receiving air and a quantity of water therewithin, said body (16) further presenting a tubular inlet (18) and a-tubular outlet (20), and a baffle (34) for directing the fl... | 08/03/1993 |
| 5198147 | Chemical oxygen generator An improved chemical oxygen generator (10) includes an oxygen generating candle (12) having an oxygen source, which upon decomposition will yield oxygen, and a nontoxic additive to smooth decomposition and suppress formation of toxic free chlorine gas. Th... | 03/30/1993 |
| 5134995 | Inspiratory airway pressure system with admittance determining apparatus and method 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 conditions, among others, by increasing nasal air pressure delivered... | 08/04/1992 |
| 5060514 | Ultrasonic gas measuring device An ultrasonic gas measuring device including a housing, end walls for the housing, the end walls having a gas inlet and a gas outlet provided therethrough, ultrasonic detecting means provided within the housing means, the ultrasonic means having a transmi... | 10/29/1991 |
| 5057822 | Medical gas alarm system A medical gas alarm system is provided which includes a sensor unit pneumatically connected to a medical gas supply line and a switch connected to a valve in the supply line for detecting the open condition of the valve. In the event either the sensor det... | 10/15/1991 |
| 5036846 | Crew oxygen mask with pneumatic comfort adjustment A respirator especially constructed for flight crews has a harness strap which can be inflated to a somewhat rigid, self-sustaining orientation to permit one-handed placement of the respirator over the wearer's head. Once the respirator is in place, relea... | 08/06/1991 |
| 4938212 | Inspiration oxygen saver A reliable, pulse-flow supplemental oxygen apparatus for alleviating respiratory ailments is provided which yields substantial savings in oxygen while giving the patient the physiological equivalent of a prescribed continuous stream of oxygen. The apparat... | 07/03/1990 |
| 4932402 | Inspiration oxygen saver A reliable, pulse-flow supplemental oxygen apparatus for alleviating respiratory ailments is provided which yields substantial savings in oxygen while giving the patient the physiological equivalent of a prescribed continuous stream of oxygen. The apparat... | 06/12/1990 |
| 4915106 | Crew oxygen mask with pneumatic comfort adjustment A respirator especially constructed for flight crews has a harness strap which can be inflated to a somewhat rigid, self-sustaining orientation to permit one-handed placement of the respirator over the wearer's head. Once the respirator is in place, relea... | 04/10/1990 |
| 4782832 | Nasal puff with adjustable sealing means An improved nasal puff assembly is provided which is of particular benefit in the treatment of obstructive sleep apnea and which is characterized by a gas-delivery puff which fits only in the nose of the patient and is therefore of relatively small size a... | 11/08/1988 |
| 4706664 | Inspiration oxygen saver A reliable, pulse-flow supplemental oxygen apparatus for alleviating respiratory ailments is provided which yields substantial savings in oxygen while giving the patient the physiological equivalent of a prescribed continuous stream of oxygen. The apparat... | 11/17/1987 |
