Class 128/204.19 - Permanent magnet included in gas flow control means

Subclass of Class 128 - Surgery
Definition: Subject matter wherein a gas flow control means includes
No. of patents: 31
Last issue date: 07/28/2009

Number	Title	Issue Date
7565906	Pressure/flow control valve and system using same A pressure/flow control valve that includes a first valve member and a second valve member moveable relative to one another and cooperating with one another so as to define a valve opening having a size that varies with a relative position between these members. The...	07/28/2009
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
7263995	Hyperbaric oxygen therapy system controls A hyperbaric oxygen therapy system includes a pressure vessel containing a gas, an oxygen concentration measurement apparatus for monitoring the concentration of oxygen in the gas, an environmental control apparatus for controlling the temperature of the gas in the ...	09/04/2007
7185649	Systems and methods for increasing cerebral spinal fluid flow In one embodiment, the invention provides a device for decreasing intracranial or intraocular pressures. The device comprises a housing having an inlet opening and an outlet opening that is adapted to be interfaced with a person's airway. The device further includes...	03/06/2007
7165547	Apparatus and method for providing high frequency variable pressure to a patient A high frequency pressure oscillation device that selective restricts the flow of breathing gas to or from a patient to produce pressure spikes in the patient's airway that facilitate clearing secretions from the patient's airway. The device includes a patient circu...	01/23/2007
7134434	Pressure support system and method and a pressure control valve for use in such a system and method A pressure support system having enhanced noise reduction and a valve assembly for use in pressure support system. The pressure support system includes a pressure generator having an inlet and an outlet. A first conduit defining a tortuous path is coupled between a ...	11/14/2006
7089940	Balanced valve device and breathing apparatus comprising such valve device A valve device, particularly for a breathing regulator for divers, including an inlet chamber which can be connected to a source of gas under super-atmospheric pressure, and an outlet chamber which is under a regulated pressure. A seating, which is movable under the...	08/15/2006
7059324	Positive expiratory pressure device with bypass 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...	06/13/2006
7018348	Method and apparatus for inducing sputum samples for diagnostic evaluation An apparatus for inducing sputum samples for diagnosing pulmonary disorders, especially as it relates to detection of early stages of lung cancer. The apparatus is comprised of a pneumatic chest compression vest, a pneumatic pressure generator, and a mouthpiece conn...	03/28/2006
6776159	Positive expiratory pressure device with bypass An oscillatory positive expiratory pressure respiratory therapy device which may be incorporated into the expiratory limb of a ventilator circuit. Accordingly, this device allows a patient on a ventilator to be subjected to positive expiratory pressure (PEP) therapy...	08/17/2004
6745767	Respiration system with an electrically driven rotary compressor A respiration system is provided with an electrically driven rotary compressor as a gas delivery unit. The system makes a low-noise mounting of the gas delivery wheel possible. The gas delivery wheel can also be washed and sterilized and ensures a reliable separatio...	06/08/2004
6694978	High-frequency oscillation patient ventillator system A patient ventilator system has a high-frequency oscillation ventilator connectable to a patient circuit and operable to induce oscillations within gas in the circuit at a predetermined high-frequency and a gas supply connectable to the patient circuit fo...	02/24/2004
6637433	Gas forwarding apparatus for respiration and narcosis devices A gas forwarding apparatus for respiration and narcosis devices including a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor including a housing within which a compressor wheel and a rotor which is...	10/28/2003
6615831	Pressure support system and method and a pressure control valve for use in such system and method A pressure support system having enhanced noise reduction and a valve assembly for use in pressure support system. The pressure support system includes a pressure generator having an inlet and an outlet. A first conduit defining a tortuous path is coupled...	09/09/2003
6581596	Apparatus and method of providing high frequency variable pressure to a patient A high frequency pressure oscillation device that selective restricts the flow of breathing gas to or from a patient to produce pressure spikes in the patient's airway that facilitate clearing secretions from the patient's airway. The device includes a pa...	06/24/2003
6581598	Positive expiratory pressure device An enhanced PEP therapy device which provides a variable frequency and variable magnitude positive expiratory pressure by utilizing a nonlinear orifice for adjusting and maintaining a desired positive expiratory pressure oscillation in accordance with a p...	06/24/2003
6439233	Tracheal stoma valve A tracheal stoma valve with a valve housing (2) has a pivotable valve flap (3), which is pivotable upon inhalation with an air stream of predeterminable strength into a position sealing off the open lumen (4) of the valve housing (2), and upon exhalation ...	08/27/2002
6302105	Apparatus for supplying breathable gas An apparatus for supplying breathable gas wherein the apparatus includes a main housing, a sub-housing having a gas flow path between a gas inlet and a gas outlet, a power source within the main housing and an impeller within the sub-housing in fluid comm...	10/16/2001
6085746	Oscillating ventilator apparatus and method An improved high frequency oscillating ventilator apparatus and method for providing an increased volume of gas flow into a patient and reducing the noise generated by the ventilator. A plurality of magnets drives a coil to produce adequate volume of flow...	07/11/2000
6032667	Variable orifice pulse valve A variable orifice pulse valve has a small internal volume for providing small, accurately measured pulse volumes of gas. The valve may be employed to supply a very small quantity of a therapeutic gas or a diagnostic gas into the breathing gases of a pati...	03/07/2000
5791339	Spring piloted safety valve with jet venturi bias The lung ventilator safety valve includes a valve housing, an armature connected to the valve housing, a shaft mounted at one end to the armature and having a poppet valve seal on the other end for sealing the vent in a valve closed position and for allow...	08/11/1998
5771884	Magnetic exhalation valve with compensation for temperature and patient airway pressure induced changes to the magnetic field The exhalation valve includes a valve housing with a valve seat having an annular shoulder, and a valve poppet having a face with a corresponding annular groove. A soft flexible diaphragm seal disposed between the face of the valve poppet and the valve se...	06/30/1998
5632298	Resuscitation and inhalation device A resuscitation and inhalation device which can be used alternatively in each of two modes. The flow of oxygen or gas is controlled by a control valve, itself controlled by a movable member acted upon by the pressure of oxygen or gas in a chamber after ha...	05/27/1997
4838257	Ventilator The respirator system controls operation of an exhale gas pressure control valve and an delivery gas flow control valve interposed in tubes leading to the patient's airway. Each control valve is operated by a Venturi flow pilot valve having a variable exh...	06/13/1989
4796619	Lung-controlled valve for respirator masks having positive pressures inside the mask In known lung-controlled valves, the positive pressure in a breathing connection is established by the fact that the control diaphragm of the valve is tensioned by spring force. There, however, the opening force brought about by the spring is greatest whe...	01/10/1989
4688565	Artificial respirator automatically releasing respiration path simultaneous with occurrence of unit failure of power interruption An extremely useful respirator including a generator circuit for generating signals when the unit either becomes faulty or the power service is suddenly interrupted. The present device is also for opening the respiration circuit in response to the signals...	08/25/1987
4606339	Control valve for a breathing mask The use of respirator masks with positive pressure in the interior of the mask makes sure that during inhalation as well as exhalation a positive pressure prevails which prevents ambient atmosphere from entering. The lung controlled valve is separated by ...	08/19/1986
4197842	Portable pulmonary respirator, intermittent positive pressure breathing machine and emergency oxygen equipment The invention provides a pulmonary respirator used in the treatment of such diseases as Pulmonary Emphysema, Asthma, Bronchitis and other respiratory diseases in addition to supplying emergency pure oxygen to the heart and airways of the patient. Disclose...	04/15/1980
4164219	Ventilator A ventilator which may be operated in either of two manually selected modes, including (1) a first mode in which ventilation of a patient is initiated by inhalation of the patient through a patient adapter and is terminated to allow the patient to exhale ...	08/14/1979
4056099	Volumetric respiration equipment This volumetric respiration equipment is of the type comprising means for spraying air, oxygen and/or anesthetic products into the patient's lungs and to produce alternatively a negative pressure therein, said means incorporating a source of fluids under ...	11/01/1977
4039139	Ventilator and method Ventilator with an inhalation phase and an exhalation phase in its operative cycle having a servo controller with an inlet adapted to be connected to supply gas under pressure and also having an outlet. The controller has control valve means movable betwe...	08/02/1977

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Class 128/204.19 - Permanent magnet included in gas flow control means