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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8186347 | Patient breathing system A patient breathing system includes a ventilator that provides a driving gas flow to generate patient inspiration. The ventilator further includes a gas inlet for driving gas, the patient breathing system being connectable to a circle which includes an inspiratory h... | 05/29/2012 |
| 8176916 | Filter and/or HME device for respiratory circuits comprising a condensation trap A filter and/or HME device including an upper shell suitable to be connected to ventilation means, a lower shell suitable to be connected to a tracheal or tracheostomy tube of a patient, a filter and/or HME element disposed between the upper shell and the lower shel... | 05/15/2012 |
| 8118025 | Blow filter device A blow filter device for breathing masks and hoods, comprising a blower which is driven by a motor and at least one filter which is arranged upstream from the blower, in addition to an electronic control system for adjusting a predefined airflow volume. The inventio... | 02/21/2012 |
| 8113198 | Self-contained breathing system A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction so... | 02/14/2012 |
| 7900627 | Trans-fill method and system A trans-fill method and system comprising obtaining therapeutic gas from a therapeutic gas source, compressing the therapeutic gas from the therapeutic gas source in at least two stages to create an intermediate therapeutic gas stream and a high pressure therapeutic... | 03/08/2011 |
| 7891356 | Method for reducing the effects of general anesthetics An apparatus for reversing inhaled anesthesia, which is configured to be positioned along a breathing circuit or anesthesia delivery circuit, includes a filter for removing one or more anesthetic agents from gases passing therethrough, as well as a component for ele... | 02/22/2011 |
| 7730887 | Portable gas fractionalization system A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at ... | 06/08/2010 |
| 7647927 | Self-contained breathing system A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction so... | 01/19/2010 |
| 7621272 | Apparatus and techniques for reducing the effects of general anesthetics An apparatus for reversing inhaled anesthesia includes a filter for removing one or more anesthetic agents from gases passing therethrough, as well as a component for elevating CO2 levels in gases that are to be inhaled by a subject. The CO2 le... | 11/24/2009 |
| 7487776 | Device with an anesthesia respiration system and an absorber A quick connection system between an anesthesia respiration system and an absorber has a gas-tight connection between the anesthesia respiration system and the absorber. The absorber (1) has a concentrically arranged gas inlet opening (8) and a gas out... | 02/10/2009 |
| 7481217 | Method and apparatus for evacuating nitrous oxide An anesthetic gas scavenging system is provided. The system includes a housing having one or more apertures placed proximate to a patient's mouth and a vacuum source interconnected with the housing for excavating anesthesia exhaled by the patient. The housing can ta... | 01/27/2009 |
| 7469699 | Thin profile air purifying blower unit and filter cartridges, and method of use A thin profile PAPR filter blower system and method of use that operates in conjunction with a thin profile filter cartridge. The design allows an unaided user to swap filter cartridges without compromising the safety of the user, even when the user is located in a ... | 12/30/2008 |
| 7442236 | Xenon external recycling unit for recovery, purification and reuse of xenon in anaesthesia circuits The present invention concerns the application of adsorption gas separation technologies to anaesthesia equipment and falls within the technical domains of adsorption separation units and medical devices. The invention concerns a device and processes for recovering ... | 10/28/2008 |
| 7434580 | Monitoring medical gas xenon concentration using ultrasonic gas analyser The concentration of xenon, in a medical gas mixture of xenon as an active component with a known composition of oxygen and, optionally, nitrogen and/or helium recirculating through a medical device (103) in which carbon dioxide is introduced into the mixture... | 10/14/2008 |
| 7427315 | High output concentrator A multi-chamber canister for a pressure swing absorption system within a general housing assembly. The chambers include a first molecular sieve chamber for receiving a first molecular sieve for separating air from the ambient environment into a concentrated gas and ... | 09/23/2008 |
| 7424889 | Carbon dioxide absorber canister attachment An interface mechanism is provided that removably unites a carbon dioxide absorption canister with a patient breathing circuit on a ventilator. The interface mechanism includes a cradle that is moveably positioned between a first position and a second position, wher... | 09/16/2008 |
| 7370653 | Closure devices for access ports of respiratory apparatuses A closure device (10) is disclosed for use with an access port (62,72,82,92) of a medical respiratory apparatus (60,70,80,90). The closure device (10) comprises a cap (14) that seals the access port (62,72,82,92) save for an... | 05/13/2008 |
| 7368005 | Portable oxygen concentrator A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the second ends of the sieve beds, and an air manifold attached to the firs... | 05/06/2008 |
| 7364553 | Breath aerosol management and collection system Aerosol collectors 10, 120 include pre-collection filters 100, 126, aerosol collection chambers 30, 130, and other exhaled breath conditioning and control features for providing not only accurate and efficient, but also reliable and reproducible... | 04/29/2008 |
| 7363925 | Gas-treatment devices An HME for a tracheostomy tube has a flexible outer housing of a gas-permeable material containing an HME element of discrete particles, granules or the like of a hygroscopic material. The particles are contained between the outer housing and an inner wall of a foam... | 04/29/2008 |
| 7357033 | Manual resuscitators with integral manometer A manometer integrated into a manual resuscitator includes a housing with a communication path, and a pressure gauge integrally forming part of the housing. A sensing chamber and an atmospheric chamber are separated by a diaphragm subject to distortion by differenti... | 04/15/2008 |
| 7353825 | Apparatus and techniques for reducing the effects of general anesthetics An apparatus for reversing inhaled anesthesia, which is configured to be positioned along a breathing circuit or anesthesia delivery circuit, includes a filter for removing one or more anesthetic agents from gases passing therethrough, as well as a component for ele... | 04/08/2008 |
| 7347206 | Control group of a second-stage regulator for scuba divers A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a breathable gaseous mixture at a constant pressure and an outlet conduit for c... | 03/25/2008 |
| 7347828 | Suction adapter for medical instrument A suction adapter for use with first and second medical devices capable of accommodating suction, the adapter including a manifold having at least three ports and a flexible flow valve. The ports may include: a suction port configured for connecting to a suction sou... | 03/25/2008 |
| 7329307 | Method of manufacturing and using enhanced carbon dioxide adsorbent A method of processing carbon dioxide adsorbent for use in a CO2 removal system. The method includes combining a polymer, lithium hydroxide (LiOH), and lubricant that dissolves the polymer to form a first LiOH adsorbent. A structure may be formed using the first LiO... | 02/12/2008 |
| 7329304 | Portable oxygen concentrator A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the second ends of the sieve beds, and an air manifold attached to the firs... | 02/12/2008 |
| 7328700 | Respiratory system and method of use A respiratory protection circuit of the type having an air flow regulator disposed in an air flow path between an air supply and a respirator is improved by including an air flow splitter and a bi-directional valve. The air flow splitter is disposed in the air flow ... | 02/12/2008 |
| 7326280 | Enhanced carbon dioxide adsorbent A CO2 removal system including a member having a first opening and a second opening to enable air flow containing carbon dioxide (CO2) to pass from the first opening to the second opening and lithium hydroxide (LiOH) supported by the member and having an initial wat... | 02/05/2008 |
| 7306657 | Oxygen concentrating apparatus An oxygen concentrating apparatus including an output variable type compressor. Oxygen-concentrated gas may be supplied either continuously or synchronized with inhalation or timing of inhalations. In one aspect, when synchronous operation is selected, the compresso... | 12/11/2007 |
| 7291114 | System and method of determining an individualized drug administration protocol A system and method for determining an individualized drug dosage is provided. The system includes a metabolic rate sensing means for sensing the metabolic rate of the individual. The system also includes a computing device having a processor, a memory, an input dev... | 11/06/2007 |
| 7279029 | Weight-optimized portable oxygen concentrator System for producing an oxygen-rich gas comprising (a) a primary gas mover including a first and a second compressor, wherein the primary gas mover is characterized by a weight Wp; (b) a drive motor adapted to drive the first and second compressors; (c) a... | 10/09/2007 |
| 7275541 | Breathing circuits having unconventional respiratory conduits and systems and methods for optimizing utilization of fresh gases A breathing circuit comprising first and second conduits, wherein at least one of the conduits is a non-conventional conduit. In an embodiment, a multilumen unilimb breathing circuit has first and second conduits, wherein when the proximal ends of said first and sec... | 10/02/2007 |
| 7261608 | Vest with air bag A vest with air bag is a durable survival vest with shoulder pads and a front chest protector having ventilation holes therethrough and an attached air bag. The vest includes a shell defining a neck opening, a torso opening, and a pair of opposed arm holes. The vest... | 08/28/2007 |
| 7261105 | Breathing circuits having unconventional respiratory conduits and systems and methods for optimizing utilization of fresh gases A breathing circuit comprising first and second conduits is disclosed, wherein at least one of the conduits is a non-conventional conduit. A multilumen unilimb breathing circuit is also disclosed having first and second conduits, wherein when the proximal ends of sa... | 08/28/2007 |
| 7258120 | Endotracheal tube apparatus and method for using the same to reduce the risk of infections Disclosed herein is a novel tube-in-tube endotracheal tube apparatus that allows for replacement or cleaning of an inner (first) tube without having to re-intubate the patient. The novel endotracheal tube apparatus enables the application of continuous suction or in... | 08/21/2007 |
| 7246621 | Removal of carbon dioxide and carbon monoxide from patient expired gas during anesthesia A method and system for the application of molecular sieves to the removal of carbon dioxide and carbon monoxide from the patient expired gases during anesthesia. The system is especially useful in anesthesia using any of the halogenated ether inhalation anesthetic ... | 07/24/2007 |
| 7244107 | Home oxygen-compression apparatus An oxygen-compression apparatus has a driving device, multiple rotating wheels, multiple driving rings, multiple rocking cylinders and multiple connecting hoses. The driving device has a driving shaft with a central axis. The rotating wheels are eccentrically attach... | 07/17/2007 |
| 7237770 | Humidifier for breathable gas apparatus A humidifier for use with a breathable gas supply apparatus includes a hollow body adapted for partial filling with water to a predetermined maximum water level, a gas inlet to the body above the maximum water level and a gas outlet from the body above the maximum w... | 07/03/2007 |
| 7238106 | Air delivery system The present invention relates to a system for delivering temperature and flow rate controlled warmed air to outlets for use in various apparatus. The system is typically in residential structures, such as homes, but could easily be adapted for apartment buildings as... | 07/03/2007 |
| 7225806 | Portable oxygen regenerating escape hood A protective device to be emplaced over the head of a user comprises a sack-like member fabricated from a flexible film material and having an opening to enable a user to place the sack-like member over the user's head. The sack-like member has an interior containin... | 06/05/2007 |
