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Class Information
Number: 128/203.25
Name: Surgery > Respiratory method or device > Means for mixing treating agent with respiratory gas > Means for varying treating agent/respiratory gas ratio
Description: Subject matter including a means for varying the amount of treating agent added to respiratory gas.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7364140 CPAP apparatus Apr. 29, 2008
7306205 Humidification system Dec. 11, 2007
7275540 MRI/NMR-compatible, tidal volume control and measurement systems, methods, and devices for respiratory and hyperpolarized gas delivery Oct. 2, 2007
7237770 Humidifier for breathable gas apparatus Jul. 3, 2007
7235222 Process for treating waste anesthetic gas Jun. 26, 2007
7225807 Systems and methods for aerosol delivery of agents Jun. 5, 2007
7204248 Fiberoptic nebulizer Apr. 17, 2007
7121276 Personal oxygen concentrator Oct. 17, 2006
7117867 Aerosol generator and methods of making and using an aerosol generator Oct. 10, 2006
7032595 Metering device for anesthetics Apr. 25, 2006
6983750 Method for indicating the amount of ventilation inhomogeneity in the lung Jan. 10, 2006
6962154 Metered administration of a therapeutic gas Nov. 8, 2005
6951216 Apparatus and method for use in non-invasively determining conditions in the circulatory system of a subject Oct. 4, 2005
6871645 Reduced-oxygen breathing device Mar. 29, 2005
6863067 Device for exchange of gas volume Mar. 8, 2005
6830047 Anaesthetic controller Dec. 14, 2004
6799570 Method of maintaining constant arterial PCO2 and measurement of anatomic and alveolar dead space Oct. 5, 2004
6725860 Monitoring process for metering different gaseous anesthetics Apr. 27, 2004
6718979 Oxygen mask assembly Apr. 13, 2004
6698425 Powder inhaler Mar. 2, 2004
6694978 High-frequency oscillation patient ventillator system Feb. 24, 2004
6691705 Arrangement and process for controlling a numerical value for patient respiration Feb. 17, 2004
6581592 Purge system for nitric oxide administration apparatus Jun. 24, 2003
6553990 Process for changing the concentration in an anesthesia apparatus Apr. 29, 2003
6554260 Humidifier for breathable gas apparatus Apr. 29, 2003
6467478 Gas mixing apparatus for a ventilator Oct. 22, 2002
6443150 Anaesthetic vaporizer Sep. 3, 2002
6367470 Nebulizers Apr. 9, 2002
6325062 Breath-activated metered-dose inhaler Dec. 4, 2001
6318361 Breath-activated metered-dose inhaler Nov. 20, 2001
6298845 Vaporizer Oct. 9, 2001
6295985 Anaesthetic machine Oct. 2, 2001
6260549 Breath-activated metered-dose inhaler Jul. 17, 2001
6260550 Device and process for controlling a respirator Jul. 17, 2001
6186143 Apparatus for supplying atmospheric air and at least one additional gas to a respirating subject Feb. 13, 2001
6155256 Fresh gas system and a method for vaporizing a liquid anaesthetic Dec. 5, 2000
6125846 Purge system for nitric oxide administration apparatus Oct. 3, 2000
6123074 Oxygen mixing in a blower-based ventilator Sep. 26, 2000
6116240 Gas mixing apparatus for a ventilator Sep. 12, 2000
6024087 Emergency oxygen flowmeter arrangement Feb. 15, 2000
5988161 Altitude adjustment method and apparatus Nov. 23, 1999
5967141 Method and apparatus for metering an anaesthetic to a patient Oct. 19, 1999
5954049 Equine mask with MDI adapter Sep. 21, 1999
5934274 Gas mixing apparatus for a ventilator Aug. 10, 1999
5921236 Medicine administering device for nasal cavities Jul. 13, 1999
5890490 Therapeutic gas flow monitoring system Apr. 6, 1999
5871009 Method and apparatus for mixing a gas containing nitric oxide with a gas containing oxygen Feb. 16, 1999
5855201 Gas exchange apparatus Jan. 5, 1999
5845633 Dosing device for adding a controlled amount of a gas to a fluid Dec. 8, 1998
5839433 Nitric oxide treatment Nov. 24, 1998

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