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| Number | Title | Issue Date |
| 8439037 | Exhalation valve assembly with integrated filter and flow sensor An exhalation valve assembly that controls the pressure of exhaled gas in a ventilation system is described. The exhalation valve assembly includes an actuator module that may be fixed to the ventilation system and a valve module, removable for cleaning or disposal,... | 05/14/2013 |
| 8439035 | Flow regulation vent A flow regulation vent includes a fixed portion adapted to engage a gas supply conduit and a spring force biased movable portion connected by a hinge to the fixed portion and flowingly connected to the pressurized gas supply. The fixed portion includes a gas flow or... | 05/14/2013 |
| 8439036 | Exhalation valve assembly with integral flow sensor An exhalation valve assembly that controls the pressure of exhaled gas in a ventilation system is described. The exhalation valve assembly includes an actuator module that may be fixed to the ventilation system and a valve module, removable for cleaning or disposal,... | 05/14/2013 |
| 8408209 | Pressure controller for artificial respirator and artificial respirator using the same A pressure controller for an artificial respirator according to this invention includes a control valve facing a gas passage between an inspiratory gas inlet and an inspiratory gas outlet, and an elastic biasing means for elastically biasing the control valve agains... | 04/02/2013 |
| 8387618 | Oxygen emergency supply device An oxygen emergency supply device for an aircraft includes an oxygen pressure vessel, which is in fluid connection with at least one oxygen mask. Means for closing and opening the oxygen pressure vessel, means for pressure reduction, a pressure regulation device, an... | 03/05/2013 |
| 8375947 | Introducing aerosol into a ventilator An aerosol introducer is provided for introducing an aerosolized pharmaceutical formulation into a ventilator circuit. The ventilator circuit comprises an endotracheal tube, an inhalation line extending from a ventilator, and an exhalation line extending from the ve... | 02/19/2013 |
| 8371300 | System and method for circuits to allow CPAP to provide zero pressure A system comprises a respiratory delivery arrangement adapted to cover at least one respiratory orifice of a patient. The system also comprises a first conduit having a first end and a second end, the second end connected to the respiratory delivery arrangement. A p... | 02/12/2013 |
| 8365731 | Pressure reducing valve with flexible cuff A pressure reducing valve for use in a system adapted to deliver a breathing gas to a patient. The pressure reducing valve is structured to communicate a flow of breathing gas to such a patient's airway during an inspiratory phase. The pressure reducing valve is str... | 02/05/2013 |
| 8360061 | Portable breathing device A pulsed breathing device has a base unit containing a motor and control circuit and a detachable head unit containing a valve, driven by the motor, which can interrupt the flow of air being breathed. ... | 01/29/2013 |
| 8353292 | Breathing assistance apparatus A breathing assistance apparatus operates in alternating inhalation and expiratory phases wherein a) the control means of the apparatus include selection means capable of selecting a pressure parameter or a flow rate parameter to define; b) the reference value for t... | 01/15/2013 |
| 8327848 | Pressure reducing valve A pressure reducing valve for use in a system adapted to deliver a breathing gas to a patient. The pressure reducing valve is structured to communicate a flow of breathing gas to such a patient's airway during an inspiratory phase. The pressure reducing valve is str... | 12/11/2012 |
| 8327849 | Oscillating positive expiratory pressure device An oscillating positive expiratory pressure apparatus having a housing defining a chamber, a chamber inlet, a chamber outlet, a deformable restrictor member positioned in an exhalation flow path between the chamber inlet and the chamber outlet, and an oscillation me... | 12/11/2012 |
| 8307828 | Pneumatic single-lumen medical gas conserver A pneumatic single-lumen medical gas conserver combines the advantages of typical single-lumen and dual-lumen conservers. In particular, a pneumatic single-lumen conserver can provide a rapid response to patient inhalations without the need for a more expensive dual... | 11/13/2012 |
| 8302604 | Cockpit oxygen mask A cockpit oxygen mask includes a mask body, an oxygen inhalation valve, a mixed air inhalation valve, an exhalation valve as well as a control device. At least the oxygen inhalation valve is signal-connected to the control device. The oxygen inhalation valve is desi... | 11/06/2012 |
| 8291904 | Gas delivery device and system A gas delivery system including a gas delivery device, a control module and a gas delivery mechanism is described. An exemplary gas delivery device includes a valve assembly with a valve and circuit including a memory, a processor and a transceiver in communication ... | 10/23/2012 |
| 8276586 | Valve for a breathing apparatus A respiratory valve, comprising a valve housing with a chamber, inlet (21) and respiration (22) openings. The chamber is limited by an arcuated or aslant interior wall section (18) extending from a lower part and into an upper part of the chambe... | 10/02/2012 |
| 8210177 | Humidification chambers A valve for controlling the level of liquid within a chamber (10) is disclosed. The valve comprises a liquid inlet (30) and a primary float (40) that is movable in response to a change in the level of liquid (20) within the chamber (10... | 07/03/2012 |
| 8205615 | Self directing exhaust port assembly An exhaust port assembly adapted for delivering a breathing gas to a patient. The exhaust port assembly includes a body and a mechanism associated with the body. The mechanism, in response to a motive force, is structured to control the direction of a flow of exhaus... | 06/26/2012 |
| 8196581 | Mouthpiece supply valve A mouthpiece supply valve which may be used in connection with a rebreather. An exemplary mouthpiece supply valve may include a housing, an inlet mushroom valve, an outlet mushroom valve, a supply gas regulator, an exhaust valve, and a mode selector. An exemplary mo... | 06/12/2012 |
| 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 |
| 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 |
| 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 |
| 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 |
