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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8171931 | Valve unit for a rebreather apparatus The present invention concerns a valve unit for a rebreather apparatus that recycles gas exhaled by a user. The valve unit includes a housing 5 with a first port for communication with a respiratory system of the user and a first inlet port 9 for breat... | 05/08/2012 |
| 8166973 | Breathing apparatus structure with two-stage reduced-pressure spare air bottle head A breathing apparatus structure with a two-stage reduced-pressure spare air bottle head is provided, which includes an air bottle head mounted at an outlet end of a spare air bottle and an inhalation mouthpiece, so as to provide an air at a suitable pressure to a di... | 05/01/2012 |
| 8151796 | Inflatable harness crew mask The inflatable harness crew mask includes an inflatable harness with a compressed gas supply system connected to the inflatable harness independent of oxygen supplied to the mask from an oxygen regulator. The mask includes a valve connector with an exhalation and in... | 04/10/2012 |
| 8109270 | Dispensing valve for breathing gas A dispensing valve with admission pressure compensation and a safety device for maximum pressure limitation of the admission pressure. To accomplish the object, a deformation zone (18), which can be brought into contact with a support surface (14) by t... | 02/07/2012 |
| 8061355 | Exhaust port assembly for a pressure support system An exhaust port assembly comprising a conduit carries a flow of gas. A vent assembly having a fixed exhaust area is provided on the conduit for venting a flow of exhaust gas from within the conduit to ambient atmosphere. The vent assembly is configured so as to mini... | 11/22/2011 |
| 8028697 | Ventilator circuit and method for the use thereof A ventilator circuit for use in administering medication to a patient includes a housing, a one-way inhalation valve and a one-way exhalation valve. A metered does inhaler receptacle is in fluid flow communication with an interior space of the housing holding chambe... | 10/04/2011 |
| 8025054 | Passive respiratory therapy device A respiratory therapy device including a housing and an interrupter valve assembly. The housing is sized for handling by a patient and defines a patient breathing passage extending from a patient end and through which a patient inhales and exhales air. The interrupt... | 09/27/2011 |
| 8011367 | CPR devices and methods utilizing a continuous supply of respiratory gases A method for increasing circulation and providing oxygen to a patient in cardiac arrest includes the step of coupling an interface to the patient's airway, the interface providing access to the patient's respiratory system. A valve system is operably attached to the... | 09/06/2011 |
| 7997272 | Ventilating apparatus and method enabling a patient to talk with or without a trachostomy tube check valve A method of operating a ventilator assembly having inhalation and exhalation passages communicating with one another, and a respiration assembly that can perform repetitive respiratory cycles. The method includes (a) connecting the conduit with an open end of an end... | 08/16/2011 |
| 7921846 | Heat and moisture filter exchanger and method A heat and moisture exchanger for both conducting a stream of air produced by a ventilator to a moisturizing medium and internally bypassing the moisturizing medium if aerosolized medication is introduced into the stream includes a housing having a ventilator-side p... | 04/12/2011 |
| 7891358 | Controllable valve and inhalation device The present invention relates to an improved controllable valve, in particular for an inhalation device, which, e.g., comprises a container for a predetermined aerosol volume, a means for disbursing an aerosol from an aerosol dispenser into the container and a contr... | 02/22/2011 |
| 7882836 | Diaphragm valve for a respirator A diaphragm valve is provided, in which there is improved sealing of a closing cover (15) against the valve housing (3). The seal includes a cylindrical sealing washer (25), which is connected to the valve housing (3) in one piece and int... | 02/08/2011 |
| 7866319 | Respirator exhalation unit A respirator exhalation unit (10) comprises a negative pressure valve (120) and a selectively actuable positive pressure valve assembly (130). The position of the positive pressure valve assembly (130) is selectively adjustable to convert... | 01/11/2011 |
| 7854228 | Bronchial flow control devices and methods of use Methods and systems for lung volume reduction of a patient are described. The methods include implanting a flow control device in a bronchial passageway of the lung. The flow control device regulates fluid flow through the bronchial passageway and includes a valve p... | 12/21/2010 |
| 7779841 | Respiratory therapy device and method A respiratory therapy device including a housing and an interrupter valve assembly. The housing includes a patient inlet, an exhaust outlet, a chamber, and a supply inlet. The interrupter valve assembly is associated with the housing and includes a control port flui... | 08/24/2010 |
| 7775208 | Device for supplying breathing gas, particularly for mouthpiece of a diver Device for supplying breathing gas, particularly for a mouthpiece of a diver, including a casing incorporating, between an inlet orifice for the supply gas and an orifice or the outlet of the gas for the purpose of breathing: a pressure-reducing valve system having ... | 08/17/2010 |
| 7775207 | Reliability-enhanced apparatus operation for re-breathing and methods of effecting same An apparatus and method for affording a re-breathing capability to a breathing circuit. The apparatus includes a valve that permits air flow through or re-breathing in the breathing circuit. A CO2 sensor and an air flow sensor detects CO2 a rat... | 08/17/2010 |
| 7753049 | Remote control fluid regulation system A fluid regulation system is provided comprising a source of a fluid, a tube in communication with the source for delivering the fluid from the source to a site, and a valve for controlling the rate of fluid flow from the source to the site. A remote control unit fo... | 07/13/2010 |
| 7699054 | Positive expiratory pressure device A multi-use, hand held, single patient oscillatory positive expiratory pressure respiratory therapy device which is easily assembled and disassembled for cleaning, and which is not position dependent during therapy, but operable through a wide range of device orient... | 04/20/2010 |
| 7694679 | Flow diverter for controlling the pressure and flow rate in CPAP device A flow diverter valve is used in controlling the pressure and/or flow rate of a breathable gas supplied to the airways of a patient by a breathable gas flow generator supply apparatus during, for example, ventilatory assistance treatments such as non-invasive positi... | 04/13/2010 |
| 7594509 | Heat and moisture exchange device for respiratory therapy A heat and moisture exchange device for being selectively operated between HME mode and bypass mode comprises a rotatable valve and valve selector configured to be rotated without transferring rotational movement to tubing attached to the device. ... | 09/29/2009 |
| 7591266 | Hybrid electro-pneumatic conserver for oxygen conserving regulator A gas regulator includes a slave valve assembly for receiving and controlling the flow of gas to a desired destination. A timing chamber is positioned adjacent to the slave valve assembly. The timing chamber has an inlet for also receiving the gas. An electronically... | 09/22/2009 |
| 7568482 | Exhaust port assembly for a pressure support system An exhaust port assembly comprising a conduit carries a flow of gas. A vent assembly having a fixed exhaust area is provided on the conduit for venting a flow of exhaust gas from within the conduit to ambient atmosphere. The vent assembly is configured so as to mini... | 08/04/2009 |
| 7552731 | Remote control gas regulation system A gas regulation system is provided comprising a source of a breathable gas, a tube in communication with the source for delivering the breathable gas from the source to an individual, and a valve for controlling the rate of gas flow from the source to the individua... | 06/30/2009 |
| 7527055 | Flow diverter for controlling the pressure and flow rate in CPAP device A flow diverter valve is used in controlling the pressure and/or flow rate of a breathable gas supplied to the airways of a patient by a breathable gas flow generator supply apparatus during, for example, ventilatory assistance treatments such as non-invasive positi... | 05/05/2009 |
| 7503326 | Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap A filtering face mask that includes a mask body that is adapted to fit at least over the nose and mouth of a wearer to create an interior gas space when worn; and an exhalation valve that is in fluid communication with the interior gas space. The exhalation valve in... | 03/17/2009 |
| 7464709 | Integrated regulator mount for a ventilator system An integrated regulator mount for a ventilator is disclosed. The ventilator has the regulator mount built into a manifold. The regulator mount is formed into the manifold on two opposite faces. One face is configured to mount the valve seat for the regulator. The va... | 12/16/2008 |
| 7464710 | Manifold assembly for a ventilator system A manifold assembly for a ventilator is disclosed. The manifold assembly has an oxygen inlet connector and compressed air inlet connector mounted on the front face of the manifold. A compressed air filter and an oxygen filter are mounted on the bottom side of the ma... | 12/16/2008 |
| 7451763 | Pneumatic shuttle valve for a ventilator system A pneumatic shuttle valve for a ventilator is disclosed. The pneumatic shuttle valve selectively connects one of two inlet openings to an outlet opening. The shuttle valve has a plug that is forced by gas pressure entering the second inlet opening, to move to and se... | 11/18/2008 |
| 7438745 | 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 ... | 10/21/2008 |
| 7412977 | Methods and devices for inducing collapse in lung regions fed by collateral pathways Disclosed are methods and devices for regulating fluid flow in one or more lung regions that are supplied fluid through one or more collateral pathways. An identified region of the lung is targeted for volume reduction or collapse. The targeted lung region is then b... | 08/19/2008 |
| 7409952 | Portable breathing apparatus A portable breathing apparatus has a respirator and a filter. The filter has a multifunctional strainer, a photocatalyst element, an exhauster, a high-pressure generator and an active carbon net in the interior thereof. Via the exhauster, external air can be filtere... | 08/12/2008 |
| 7406965 | Forehead support for facial mask A respiratory mask assembly includes a frame and a forehead support secured to the frame. The forehead support includes a joining member secured to an upper portion of the frame and a cushion frame movably mounted to the joining member. One of the joining member and... | 08/05/2008 |
| 7402193 | 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... | 07/22/2008 |
| 7399347 | Control valve structure for an oxygen machine A control valve structure for an oxygen machine uses a motor to link a disc to spin, which activates a pair of valve rods to open and close in sequence through rotation of the motor to control air flow. ... | 07/15/2008 |
| 7387121 | Valve for aerosol container There is provided a propellant-operable self-activating and self-returning metering valve for an aerosol container for dispensing a formulation comprising a substance in a fluid propellant contained therein. There is also provided a canister for use in a metered dos... | 06/17/2008 |
| 7383838 | Mechanical return blocking device It is an object of the present invention to provide a mechanical blocking device by means of which the user will only be able to initiate an event by activating a stroke of the button or lever past the activation point of the event. Should the movement of the button... | 06/10/2008 |
| 7373943 | Self-contained breathing apparatus facepiece pressure control method An electro mechanically-assisted control system for use in a second-stage regulator. Regulator control assembly (20′), also referred to as all-electronic (AE) assembly (20′), includes an electromechanical actuator (EMA) sub-assembly (22) for... | 05/20/2008 |
| 7370651 | Gas conserving device An electronic oxygen conserving device for controlling a flow of oxygen from an oxygen storage container to a user. When a conserve setting is selected, a flow of oxygen travels through an oxygen regulating valve that has an open state and a closed state. A temporar... | 05/13/2008 |
| 7370662 | Quick connect pressure reducer/cylinder valve for self-contained breathing apparatus A quick pressure reducer and cylinder valve for use with an SCBA includes a cylinder valve that connects to a pressure vessel, a pressure reduction assembly for reducing the pressure of breathing air provided by the pressure vessel, a probe, and an inlet/latch assem... | 05/13/2008 |
