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| Number | Title | Issue Date |
| 8146593 | Process and device for separating carbon dioxide from a breathing gas mixture by means of a fixed site carrier membrane A process and a device are provided for separating carbon dioxide from a breathing gas mixture by means of a “Fixed Site Carrier” membrane. The breathing gas mixture is guided in the device on a side of a selective, semipermeable membrane, which is provided with... | 04/03/2012 |
| 7987849 | Method for determining the consumption of a COabsorber in a respirator with rebreathing system A method for determining the consumption of a CO2 absorber (8) in a respirator with a rebreathing system, with a fresh gas mixer (1) and with a computing and control unit (10). The rebreathing system has a respiration drive (2)... | 08/02/2011 |
| 7849855 | Gas exhaust system for a gas delivery mask A noise-suppressing gas exhaust system for a gas delivery mask is provided. The system may include a face mask, an arm assembly, and a gas exhaust member. The face mask may be configured to interface with a subject's face. The arm assembly may be configured to suppo... | 12/14/2010 |
| 7814908 | Method and device for reducing the carbon dioxide content in a dead volume In a method and device for reducing the carbon dioxide content in a dead volume intended for connection to the respiratory system of a patient, and an anesthesia apparatus embodying such a device, a flow of gas is generated from an outlet associated with the dead vo... | 10/19/2010 |
| 7762255 | Safety device for breathing circuit carbon dioxide absorber An improved carbon dioxide absorber for use in a closed circuit patient breathing system has a canister insertable in the breathing circuit for receiving recirculating breathing gases. The canister contains a pelletized CO2 absorbent material that removes... | 07/27/2010 |
| 7591267 | Room temperature heat exchanger for breathing circuit A breathing circuit for use with a ventilated patient that includes a heat exchanger for removing water vapor from the breathing gases to prevent condensation within the breathing circuit. The heat exchanger is positioned downstream from the CO2 absorber ... | 09/22/2009 |
| 7520280 | Rebreather apparatus A rebreather apparatus having a gas scrubber canister with a generally oval or elliptical cross section. The canister being configured so that exhaled gases pass through the adsorbent in a radial manner through a generally hollow tube having the same cross sectional... | 04/21/2009 |
| 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 |
| 7428902 | Humidifier system for artificial respiration A humidifier system for heating and humidifying respiratory gases has a housing with an inner chamber, a first port at the first end for connection to a ventilator breathing circuit and a second port at the second end for connection to a patient to supply respirator... | 09/30/2008 |
| 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 |
| 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 |
| 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 |
| 7207328 | Emergency air delivery system for patients As disclosed herein, the present invention relates to an improved respirator having a respirator mask, respirator bellows, respirator conduits, and mounting straps attached to the torso of an operator. The respirator mask is positioned over a patient's face so as to... | 04/24/2007 |
| 7178522 | Agents and N2O detection apparatus A detector that monitors the presence of halogenated agents and the presence of N2O includes a base to which a filter cannister is removably coupled. The cannister has an input for accepting exhalent from a patient or an anesthesia machine and an outlet for outputti... | 02/20/2007 |
| 7148806 | Arrangement in connection with a patient circuit and an absorber means Arrangement in connection with a patient circuit and an absorber means. The arrangement comprises an information transfer means and an electronic means and a transponder electronically programmed with desired information. The transponder is attached to the absorber ... | 12/12/2006 |
| 7146980 | Tube for use in an anesthetic system A tube for use in an anesthetic system has an essentially cylindrical housing. More effective take-up of carbon dioxide is achieved by an absorbent for carbon dioxide that is arranged within the tube. ... | 12/12/2006 |
| 7114498 | Gas delivery, evacuation and respiratory monitoring system and method A gas delivery, evacuation and respiratory monitoring system comprises a face mask having an inflow flapper valve and a fresh-gas inflow tube and an exhaust-gas outflow tube and a gas sampling tube, a fresh gas source and an exhaust-gas scavenging system, a fresh ga... | 10/03/2006 |
| 7107990 | Portable face protector for protecting human being from poisonous gas and securing visibility Disclosed is a portable face protector for protecting a human being from poisonous gas and securing visibility, which can be used in an emergency such as a fire, etc. The face protector comprises a visibility securing member having a transparent window, for tightly ... | 09/19/2006 |
| 7089933 | COsorbent for inhalation drug therapy system A carbon dioxide (CO2) sorbent system for removing CO2 from a recirculating inhalation therapy system includes several sorbent layers within a housing defining an inlet and an outlet. Airflow passages sandwiched between CO2 sorbent l... | 08/15/2006 |
| 7077135 | Resuscitators, parts and assemblies A squeeze bag resuscitator has a flow diverter push fitted onto its exhaust outlet in any desired orientation. The diverter has a color change carbon dioxide indicator strip fixed to the inside surface of a transparent deflector plate. The indicator is protected fro... | 07/18/2006 |
| 7040315 | Arrangement for anaesthetising a living creature The invention relates to an arrangement (200) for anaesthetising a living creature (V) and for maintaining said creature in an anaesthetised state, by administering thereto an infused volume of anaesthesia inducing pharmaceutical (22) in liquid phase p... | 05/09/2006 |
| 7032592 | Gas dosing device A device for the dosing of a dry additive gas into a breathing gas in a ventilator system, the ventilator system including a tubing system connectable by at a distal end to a patient, and has a dosing tube connectable to the tubing system for dosing to the distal en... | 04/25/2006 |
| 7007693 | Device and method of reducing bias flow in oscillatory ventilators A device and method of ventilating a patient reduces the bias flow relative to existing oscillatory ventilators. The device has a gas flow circuit including an oscillating line, a patient line and an exhalation or a return line. A gas supply line and an outlet valve... | 03/07/2006 |
| 6990979 | Breathing equipment with a circuit for breathing gas Breathing equipment with a circuit for breathing gas and with a flat calcium hydroxide absorber (1) is cooled by an evaporating agent with improved cooling. A gas volume flow of at least 60 L per minute is admitted to the outer surface (14) of the calc... | 01/31/2006 |
| 6957651 | System for simulating metabolic consumption of oxygen A method and system are provided for simulating the metabolic consumption of oxygen contained in a breathable gas. A variable volume chamber cyclically increases/decreases in volume to receive the breathable gas/expel an exhaust gas. Hydrogen and carbon dioxide are ... | 10/25/2005 |
| 6955650 | Metabolic calorimeter employing respiratory gas analysis An indirect calorimeter for measuring the metabolic rate of a subject includes a respiratory connector configured to be supported in contact with the subject so as to pass inhaled and exhaled gases as the subject breathes, a flow pathway, and a hygiene barrier posit... | 10/18/2005 |
| 6948493 | Anaesthetic apparatus An apparatus for delivering anaesthetic to human or animal patients. The apparatus is an anaesthetic machine which is arranged to mount components of an anaesthetic delivery circuit, and which includes a collector arrangement in the form of a manifold having a plura... | 09/27/2005 |
| 6929006 | Device and process for metering breathing gas A respirator with a tidal volume-measuring device (6) between a respiration bag (8) and a patient adapter (2) provides accurate metering of the tidal volume. The device includes a first pressure-measuring device (4) and a breathing gas in... | 08/16/2005 |
| 6895961 | Method and device for the autonomous production, preparation, and supply of breathing gas to divers at extreme depths The invention relates to a fully closed circuit-pendulum-storage system wherein a given amount of a ready to breathe gas mixture made of various inert gases including hydrogen and oxygen is continuously conveyed between two highly pressurized gas containers. Initial... | 05/24/2005 |
| 6880557 | Breathing method and apparatus A breathing apparatus (10) including a mouthpiece (13) and a carbon dioxide removal area (18) disposed between the mouthpiece and an air reservoir chamber (19). The chamber is preferably filled with a foam material (27) and is furt... | 04/19/2005 |
| 6863067 | Device for exchange of gas volume A device for exchanging gas volumes in an anesthetic system has an inlet, an outlet, a first chamber arranged between the inlet and the outlet, a second chamber arranged between the inlet and the outlet, a switching valve for selective connection to the first chambe... | 03/08/2005 |
| 6843250 | Method and system for intubation An intubation method and system including the insertion of an endotracheal tube into a patient airway, inflating an cuff associated with the endotracheal tube at a location in the patient airway below the vocal cords, monitoring carbon dioxide concentration in the p... | 01/18/2005 |
| 6820619 | Altitude adjustment method and apparatus A portable method and apparatus for allowing an individual to pre-adjust at sea level for future high altitudes is taught. The invention teaches the use of a small portable breathing gas control system to adjust the gas concentrations going to a subject's face mask.... | 11/23/2004 |
| 6817359 | Self-contained underwater re-breathing apparatus Self-contained underwater re-breathing apparatus having a breathing circuit, an injection system for adding fresh breathable gas to the breathing circuit, and an automatic control system including a microcomputer for monitoring physical parameters in the breathing c... | 11/16/2004 |
| 6796307 | Multiple person high altitude recycling breathing apparatus A life support system has a semi-closed rebreather supplying oxygen for multiple users, such as high altitude parachutists. A first tank supplies oxygen to initially purge the system, and a second, larger tank supplies oxygen at prescribed amounts for the duration o... | 09/28/2004 |
| 6763835 | Chemical/biological special operations mask A respiratory mask assembly for filtering airborne biological and/or chemical agents from air for breathing, comprises an outer hood adapted to seal with and encompass at least the head and neck of a wearer from ambient atmosphere, at least one transparent lens atta... | 07/20/2004 |
| 6684881 | Rechargeable breathing apparatus particularly an apparatus for divers A rechargeable breathing apparatus is disclosed including a closed breathing system for receiving exhaled air containing a CO2 adsorber for the inhaled air, a breathing bellows for receiving the inhaled air and delivery of the breathing air, an... | 02/03/2004 |
| 6619289 | Carbon dioxide absorber canister with breathing gas moisture sump A moisture sump integrated into a carbon dioxide absorber canister provides a collection reservoir for condensate from a patient ventilator system when the carbon dioxide absorber canister is attached to the ventilator system. The volume of the moisture s... | 09/16/2003 |
| 6619287 | Filter A filter for a respiratory circuit has a housing with an inlet port and an outlet port for connection to respective breathing tubes. A gases space lies between the inlet and outlet ports and gases pass across the gases space from the inlet port to the out... | 09/16/2003 |
