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Class 128/204.17 - Means for heating respiratory gas or respiration device


Subclass of Class 128 - Surgery
Definition: Subject matter including a means for heating respiratory
No. of patents: 237
Last issue date: 05/29/2012


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NumberTitleIssue Date
8186345Apparatus for supplying gases to a patient
The gases temperature supplied to a patient when the patient is undergoing treatment such as oxygen therapy or positive pressure treatment for conditions such as Obstructive Sleep Apnea (OSA) or Chronic Obstructive Pulmonary Disease (COPD) is often measured for safe...
05/29/2012
8122882Rainout reduction in a breathing circuit
A breathing circuit includes inspiratory and expiratory limbs, each having a respective electrically energizable heating circuit. The heating circuits are independently and selectively electrically energized through separate power circuits such as to control the tem...
02/28/2012
8091548Anti-condensation device for catheters
An anti-condensation arrangement for catheters including a heated air generator, a sheath covering a catheter such as to create a cavity with it, and a device for the input of heated air produced by the generator into the cavity wherein the sheath has a venting open...
01/10/2012
8015971Method and apparatus for humidification of breathable gas with profiled delivery
A method and apparatus for delivering breathable gas to a user includes a humidifying unit that is controllable to humidify the gas in accordance with a variable humidity profile such that the gas is delivered to the user at variable humidity levels, e.g., during a ...
09/13/2011
7992554Liquid evaporator
A liquid evaporator includes a liquid reservoir (3) with a liquid to be evaporated, a heater (9) and an evaporator tube (12). The evaporator tube (12) has a first porous element (1) having a first porosity and with an area in conta...
08/09/2011
7934498Device and method for facilitating delivery of medication/humidity to a patient without breaking a ventilator circuit
A device and method for facilitating the delivery of medication/humidity to a patient without breaking a ventilator circuit that contains a two-position flow control valve in the circuit, so as to permit manual switching from a first position in which humidified air...
05/03/2011
7926485Medical ventilator with compressor heated exhalation filter
A medical ventilator includes a pressure generator for increasing a pressure of gas that produces heat during the operation thereof. A heat sink spaced from the pressure generator is provided for absorbing heat from the pressure generator. A bacteria filter requirin...
04/19/2011
7849852Breathing assistance apparatus
A medical breathing assistance apparatus (20) for supplying pressurised gases to a patient is disclosed. The breathing assistance apparatus (20) comprises a heating chamber (29) and a pressure chamber (27) both adapted to contain water, a...
12/14/2010
7762251Method and apparatus for humidification and warming of air
A method of humidifying a gas that includes supplying a gas to a surface of a humidification material that readily absorbs moisture and readily releases moisture when exposed to a dry environment and generating turbulence in the gas as it posses over the surface of ...
07/27/2010
7647925Method and apparatus for humidification and warming of air
A method of humidifying a gas that includes supplying a gas to a surface of a humidification material that readily absorbs moisture and readily releases moisture when exposed to a dry environment and generating turbulence in the gas as it passes over the surface of ...
01/19/2010
7540286Multiple dose condensation aerosol devices and methods of forming condensation aerosols
Devices and methods of entraining a substance within an airflow are disclosed. Condensation aerosol delivery devices and methods of consistently producing multiple doses of a substance, such as a drug, having high purity, high yield, characterized by a particle size...
06/02/2009
7497215Medical ventilator with compressor heated exhalation filter
A medical ventilator includes a pressure generator for increasing a pressure of gas that produces heat during the operation thereof. A heat sink spaced from the pressure generator is provided for absorbing heat from the pressure generator. A bacteria filter requirin...
03/03/2009
7428902Humidifier 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
7347203Heat 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...
03/25/2008
7327949Heater assembly for a respiratory treatment machine
A heating assembly for a respiratory treatment machine includes a base and a water tank. The base has a receiving space communicating with a recessed platform at a via an opening, and a heating plate securely placed on a bottom face of the receiving space. The water...
02/05/2008
7314046Apparatus and method for respiratory tract therapy
An apparatus is provided for delivering heated and humidified air to the respiratory tract of a human patient for respiratory tract therapy and treatment. The apparatus includes a supply unit (11) and a delivery tube (28) that can be releasably connect...
01/01/2008
7290546Nasal mask
A nasal mask assembly for preferred use in CPAP treatment. The mask assembly comprises a central body, a face cushion, a forehead support and a gas inlet. The gas inlet is rotatably connected to the central body, and the forehead support is pivotally connected to th...
11/06/2007
7275541Breathing circuits having unconventional respiratory conduits and systems and methods for optimizing utilization of fresh gases
A breathing circuit comprising first and second conduits, wherein at least one of the conduits is a non-conventional conduit. In an embodiment, a multilumen unilimb breathing circuit has first and second conduits, wherein when the proximal ends of said first and sec...
10/02/2007
7275535Respiration hood useful in biological, radiological and chemical emergencies
A respiration hood assembly is effected from a thin-walled headpiece nested within the periphery of a mating exterior housing that includes a filtered aperture. The nested engagement between the headpiece and the housing is also useful in capturing one edge of a pla...
10/02/2007
7261105Breathing circuits having unconventional respiratory conduits and systems and methods for optimizing utilization of fresh gases
A breathing circuit comprising first and second conduits is disclosed, wherein at least one of the conduits is a non-conventional conduit. A multilumen unilimb breathing circuit is also disclosed having first and second conduits, wherein when the proximal ends of sa...
08/28/2007
7246621Removal of carbon dioxide and carbon monoxide from patient expired gas during anesthesia
A method and system for the application of molecular sieves to the removal of carbon dioxide and carbon monoxide from the patient expired gases during anesthesia. The system is especially useful in anesthesia using any of the halogenated ether inhalation anesthetic ...
07/24/2007
7195016Transtracheal oxygen stent
An apparatus and method for implanting a surgical apparatus including a first flange having an opening, a second flange having an opening, and a shaft having a lumen connecting the first and second flange openings. The surgical apparatus is inserted into a stoma for...
03/27/2007
7178521Adjustable length breathing circuit
A unilimb breathing circuit has a proximal end coupling member, a distal end coupling member, an expiratory tube extending between the proximal and distal end coupling members, and an inspiratory tube extending between the proximal and distal end coupling members. T...
02/20/2007
7159608Manifold system and method for compressed medical gases
A manifold system is provided herein. The manifold is operative to automatically switch between an In-Use supply of compressed gas to a Reserve supply of compressed gas. The manifold system is constructed so that after it has been installed, it may be converted for ...
01/09/2007
7146979Humidifier with parallel gas flow paths
A humidifier and humidity sensor is disclosed for use with a breathing assistance apparatus. The humidity sensor preferably includes means to sense absolute humidity, relative humidity and/or temperature at both the patient end and humidifier end. The humidifier may...
12/12/2006
7143766Temperature controlling device for aerosol drug delivery
A portable air temperature controlling device useful for warming air surrounding an aerosolized drug formulation. Warming the air of an aerosol makes it possible to reduce the diameter of aerosol particles produced by an aerosol generation device. Additionally, warm...
12/05/2006
7144473Evaporator for respirators and evaporation method
The present invention relates to an evaporator for respirators, including a storage tank for a liquid, a gas intake flange and a gas outlet flange as well as an apparatus for heating the liquid, which is formed such that it can heat a small portion of the liquid and...
12/05/2006
7140367Conduit overheating detection system
This invention relates to respiratory humidifiers and heated breathing conduits used to couple a patient to the humidifier. A conduit overheating detection system for a conduit having heating wire or element is disclosed. The overheating detection system may be util...
11/28/2006
7140366Expiratory limb for a breathing circuit
A breathing circuit component includes an inlet, an outlet and an enclosing wall. The enclosing wall defines a gases passageway between the inlet and the outlet. At least a region of the enclosing wall is formed from a breathable material that allows the passage of ...
11/28/2006
7128067Method and apparatus for generating an aerosol
An aerosol is formed by supplying a material in liquid form to a flow passage and heating the flow passage such that the material volatizes and expands out of an open end of the flow passage. The volatized material combines with ambient air such that volatized mater...
10/31/2006
7121276Personal oxygen concentrator
An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen separator for ambulatory use. ...
10/17/2006
7120354Gases delivery conduit
A gases delivery conduit for the supply of humidified medical gases as formed from an extruded plastic tube. The extruded plastic tube includes at least one heating element embedded within the wall of the tube. The heating element includes a pair of electrical condu...
10/10/2006
7111624Apparatus for delivering humidified gases
An apparatus for delivering humidified gases has a connection manifold adapted to connect with inlet and outlet ports of a slide on water chamber in a single slide on motion. Connection of the gases inlet and gases outlet ports as well as any additional electrical a...
09/26/2006
7100605Therapy device for local treatment of colds
The invention relates to a therapy device for the specifically local treatment and curing of colds in the region of the nose, frontal sinus and throat area in human beings. The external appearance of the therapy device can resemble that of a common hair dryer or fac...
09/05/2006
7086422Respiratory gas hose system for supplying a respiratory gas
A respiratory gas hose system for supplying a respiratory gas is provided, particularly for use in the frame work of CPAP therapy. The respiratory gas hose system comprises a flexible hose line including a flexible sheathing body to surround the flexible hose line, ...
08/08/2006
7077139Disposable face mask
A disposable face mask includes a mask body covering substantially a nose, mouth, and chin of a wearer, and an extension provided with the mask body. The extension is configured to encircle a back of a wearer's head and to substantially cover a wearer's cheeks, jaw,...
07/18/2006
7069928Heat-moisture exchanger with aerosol by-pass
A first and second housing is joined together by a middle housing rotatable with respect to the first and second housing. The first and second housings have conduits passing through exterior walls and an annular ring on an inside wall together with an annular interi...
07/04/2006
7061252Electrical arcing protection circuit
A protection circuit, configured to detect and suppress electrical pre-arcing and arcing conditions in a resistive heater wire circuit, comprises a transient voltage suppressor, signal level sensing load coupled to the output of the voltage suppressor, detection and...
06/13/2006
7059323Incubator with oxygen metering
An incubator for premature and newborn patients is provided with a heater (6), and a fresh air flow (13) fed in with oxygen metering, characterized in that the incubator has an electrically operated oxygen concentrator (12), and an oxygen sensor...
06/13/2006
7051733Respiratory humidification system
A humidification apparatus for humidifying a gas flow to be supplied to a patient or other person in need of such gas is provided. A first temperature sensor is provided for sensing the temperature of the gas flow substantially at an outlet of a humidification chamb...
05/30/2006
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