Patents by Inventor Lewis George Gradon
Lewis George Gradon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7735487Abstract: The invention relates to a forehead rest for respiratory masks. An embodiment of the forehead rest comprises a deformable resilient member (300) comprising a top surface (302) and a base (303) connected by two side walls (304, 305), said top surface (302) being substantially thicker than said side walls (304, 305), said deformable member (300) evenly distributing the pressure on the forehead of a patient that contacts said deformable resilient member (300), wherein said side walls (304, 305) are capable of folding under compression.Type: GrantFiled: July 27, 2004Date of Patent: June 15, 2010Assignee: Fisher & Paykel Healthcare LimitedInventors: Alastair Edwin McAuley, Christopher Earl Nightingale, Aidan Mark Shotbolt, Stuart Robert Allen Grant, Lewis George Gradon
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Publication number: 20100078028Abstract: The present invention relates to a device for delivering a supply of gases to a patient. The device includes a patient interface and connecting member. The connecting member is preferably a L-shaped swivelled connector that is capable of being fixed into one of two positions, a first position where the connector is freely rotatable within the patient interface, and a second position where an interference between the interface and connector prevents the free rotation of the connector within the patient interface. The present invention further relates to a connector that has outlet means, which includes at least one outlet vent and a funnel, which in use directs and passes a substantial portion gases expired from the patient through the outlet vent or vents.Type: ApplicationFiled: December 4, 2009Publication date: April 1, 2010Inventors: Nicholas Charles Alan Smith, Alastair Edwin McAuley, Chris Earl Nightingale, Ivan Milivojevic, Lewis George Gradon
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Patent number: 7681575Abstract: A patient interface is described which is reduces the pressure of the mask on the users face. The patient interface has a sealing interface having an inner sealing member and an outer sealing member. The inner and outer sealing members are adapted to seal around the facial contours of a user providing a sealed fluid communication to the user's respiratory tract. The inner and outer sealing members are at least continuously in contact with each other around the portions where the sealing interface contacts the users facial contours. The inner sealing member may be provided with cut outs to provide additional flexibility to particular areas, such as the nasal bridge, upper lip or cheek regions and may be provided with a contoured edge to better fit the facial contours of a user.Type: GrantFiled: November 7, 2007Date of Patent: March 23, 2010Assignee: Fisher & Paykel Healthcare LimitedInventors: David Fraser Wixey, Alastair Edwin McAuley, Christopher Earl Nightingale, Lewis George Gradon, Ivan Milivojevic
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Publication number: 20100024825Abstract: The present invention relates to a device for delivering a supply of gases to a patient. The device includes a patient interface and connecting member. The connecting member is preferably a L-shaped swivelled connector that is capable of being fixed into one of two positions, a first position where the connector is freely rotatable within the patient interface, and a second position where an interference between the interface and connector prevents the free rotation of the connector within the patient interface. The present invention further relates to a connector that has outlet means, which includes at least one outlet vent and a funnel, which in use directs and passes a substantial portion gases expired from the patient through the outlet vent or vents.Type: ApplicationFiled: August 6, 2009Publication date: February 4, 2010Inventors: Nicholas Charles Alan SMITH, Alastair Edwin McAULEY, Chris Earl NIGHTINGALE, Ivan MILIVOJEVIC, Lewis George GRADON
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Publication number: 20090223520Abstract: A CPAP system for supplying humidified gases to a user is disclosed in which various interfaces are described for gas delivery. A mask cushion including a deformable cushion and thin sheath is described.Type: ApplicationFiled: March 25, 2009Publication date: September 10, 2009Inventors: ALASTAIR EDWIN McAULEY, CHRISTOPHER EARL NIGHTINGALE, LEWIS GEORGE GRADON, MARK JOSEPH HAYCOCK, NICHOLAS CHARLES ALAN SMITH, DANIEL MAHON, FIONA ELIZABETH CRESSWELL
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Patent number: 7308895Abstract: A patient interface is described which is reduces the pressure of the mask on the users face. The patient interface has a sealing interface having an inner sealing member and an outer sealing member. The inner and outer sealing members are adapted to seal around the facial contours of a user providing a sealed fluid communication to the user's respiratory tract. The inner and outer sealing members are at least continuously in contact with each other around the portions where the sealing interface contacts the user's facial contours. The inner sealing member may be provided with cut outs to provide additional flexibility to particular areas, such as the nasal bridge, upper lip or cheek regions and may be provided with a contoured edge to better fit the facial contours of a user.Type: GrantFiled: July 11, 2003Date of Patent: December 18, 2007Assignee: Fisher & Paykel Healthcare LimitedInventors: David Fraser Wixey, Alastair Edwin McAuley, Christopher Earl Nightingale, Lewis George Gradon, Ivan Milivojevic
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Patent number: 7263994Abstract: A flow probe for use in a humidification system is positioned in a humidified gases flow such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both temperature and flow rate sensing of the gases flow by incorporating two sensors into the gases flow. The flow probes are shaved and aligned within the gases flow to enable accurate gas flow readings to be taken whilst reducing the occurrence of condensation on the sensors. The flow probe can also be included in a humidification control systems to provide a patient with a desired humidity level or simplify the amount of user input required to set humidity levels. Furthermore, the flow probe can provide a controller with flow information which may then be used to determine certain conditions that could prove to be dangerous to a patient.Type: GrantFiled: September 17, 2003Date of Patent: September 4, 2007Assignee: Fisher & Paykel Healthcare LimitedInventors: Lewis George Gradon, Stephen William McPhee, Paul John Seakins, Peter John Leonard
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Patent number: 7096867Abstract: The present invention is related to patient interfaces, such as nasal masks (2), particularly though not solely for use in providing continuous positive airway pressure therapy or positive pressure ventilation to patients suffering from obstructive sleep apnoea. In a first form the invention is a patient interface that has securement means (601) releasably attaching the interface to headstraps wherein the securement means (601) is slidably engaged with the patient interface. In a second form of the invention the mask headgear is formed of a plurality of straps (701, 702) where at least one of the plurality of straps is slidably engaged with another of the plurality of straps. In a further form the patient interface may be provided with vertically adjustable engaging means (802) that engage the patient interface with the headgear straps.Type: GrantFiled: October 25, 2002Date of Patent: August 29, 2006Assignee: Fisher & Paykel Healthcare LimitedInventors: Nicholas Charles Alan Smith, Alastair Edwin McAuley, Chris Earl Nightingale, Ivan Milivojevic, Lewis George Gradon
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Patent number: 7051733Abstract: 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 chamber and a second temperature sensor is provided for sensing the temperature of the gas flow substantially at the patient end of the conduit. A display is provided for display of temperature information to a user. A controller or processor is configured or programmed to receive input from the temperature sensors and to output a signal to the display to cause a temperature to be displayed to the user which is the lower of the temperature sensed by temperature sensors.Type: GrantFiled: October 23, 2003Date of Patent: May 30, 2006Assignee: Fisher & Paykel Healthcare LimitedInventors: Lewis George Gradon, Stephen William McPhee, Paul John Seakins, Peter John Leonard
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Patent number: 7017576Abstract: A improved interface is disclosed for delivering CPAP therapy to patients. The interface has a sliding engagement to the headgear. The sliding engagement allows substantial relative lateral movement eg: when face is distorted from sleeping on side, while still providing adequate compressive force to avoid side leakage. The sliding engagement also allows easy release from the headgear.Type: GrantFiled: August 22, 2003Date of Patent: March 28, 2006Assignee: Fisher & Paykel Healthcare LimitedInventors: Gregory James Olsen, Martin Leckie, Neil Prime, Lewis George Gradon, Nicholas Charles Alan Smith, Alastair Edwin McAuley, Mark Joseph Haycock, Chris Earl Nightingale
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Patent number: 6997186Abstract: A mouthpiece for oral delivery for oral delivery of CPAP treatment has a vestibular shield for location between the teeth and lips/cheeks of a wearer. The vestibular shield is formed from a very supple material and is dimensioned to extend laterally into the buccal vestibule and vertically to overlap the gums. A gases pathway is provided through the vestibular shield and may include a hard plastic insert through the shield. A connection for connecting the mouthpiece to a breathing circuit is provided which reduces the transfer of forces caused by movement therebetween.Type: GrantFiled: October 22, 2004Date of Patent: February 14, 2006Assignee: Fisher & Paykel Healthcare LimitedInventors: Christopher John Robertson, Nicholas Charles Alan Smith, Lewis George Gradon
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Patent number: 6951218Abstract: A CPAP system for supplying humidified gases to a user is disclosed in which various interfaces are described for gas delivery. A mask cushion including a deformable cushion and thin sheath is described. A forehead rest with a horizontal pivot that is attached to the mask is disclosed. An outlet vent to reduce the noise from exhausted carbon dioxide is described. A mouthpiece is also described with an outlet diffuser including Heat Moisture Exchanger Material.Type: GrantFiled: March 24, 2003Date of Patent: October 4, 2005Assignee: Fisher & Paykel Health Care LimitedInventors: Lewis George Gradon, Nicholas Charles Alan Smith, Alastair Edwin McAuley, Mark Joseph Haycock, Chris Earl Nightingale, Daniel Mahon
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Patent number: 6892729Abstract: The present invention relates to a device for delivering a supply of gases to a patient. The device includes a patient interface and connecting member. The connecting member is preferably a L-shaped swivelled connector that is capable of being fixed into one of two positions, a first position where the connector is freely rotatable within the patient interface, and a second position where an interference between the interface and connector prevents the free rotation of the connector within the patient interface. The present invention further relates to a connector that has outlet means, which includes at least one outlet vent and a funnel, which in use directs and passes a substantial portion gases expired from the patient through the outlet vent or vents.Type: GrantFiled: November 13, 2002Date of Patent: May 17, 2005Assignee: Fisher & Paykel Healthcare LimitedInventors: Nicholas Charles Alan Smith, Alastair Edwin McAuley, Chris Earl Nightingale, Ivan Milivojevic, Lewis George Gradon
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Publication number: 20040255950Abstract: A user interface for delivering CPAP includes a forehead adapted with a deformable attachment between the interface and the support. In the preferred embodiment the interface is a mask which substantially seals against the face of the user without substantial pressure thereto and delivers said gases to the nasal cavity and/or oral cavity and/or throat.Type: ApplicationFiled: July 29, 2004Publication date: December 23, 2004Inventors: Lewis George Gradon, Alastair Edwin McAuley, Chris Earl Nightingale, Ivan Milivojevic
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Patent number: 6832610Abstract: A patient interface for CPAP is described, with deformable cushions for the forehead rest. Each cushion providing a substantially even load bearing surface and progressive deformation. Several embodiments are disclosed for achieving desired mode(s) of deformation.Type: GrantFiled: October 10, 2002Date of Patent: December 21, 2004Assignee: Fisher & Paykel Healthcare LimitedInventors: Lewis George Gradon, Alastair Edwin McAuley, Chris Earl Nightingale, Ivan Milivojevic
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Publication number: 20040244800Abstract: A patient interface for CPAP is described, with deformable cushions for the forehead rest. Each cushion providing a substantially even load bearing surface and progressive deformation. Several embodiments are disclosed for achieving desired mode(s) of deformation.Type: ApplicationFiled: July 7, 2004Publication date: December 9, 2004Applicant: Fisher & Paykel Healthcare LimitedInventors: Lewis George Gradon, Alastair Edwin McAuley, Chris Earl Nightingale, Ivan Milivojevic
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Patent number: 6820617Abstract: A mouthpiece for oral delivery for oral delivery of CPAP treatment has a vestibular shield for location between the teeth and lips/cheeks of a wearer. The vestibular shield is formed from a very supple material and is dimensioned to extend laterally into the buccal vestibule and vertically to overlap the gums. A gases pathway is provided through the vestibular shield and may include a hard plastic insert through the shield. A connection for connecting the mouthpiece to a breathing circuit is provided which reduces the transfer of forces caused by movement therebetween.Type: GrantFiled: December 30, 2002Date of Patent: November 23, 2004Assignee: Fisher & Paykel LimitedInventors: Christopher John Robertson, Nicholas Charles Alan Smith, Lewis George Gradon
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Patent number: RE39724Abstract: A flow probe for use in a humidification system is disclosed. The flow probe is adapted to be positioned in a humidified gases flow (for example oxygen or anesthetic gases) such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both temperature and flow rate sensing of the gases flow by incorporating two sensors (preferably thermistors) and the shape and alignment of the probe enables accurate readings by reducing the occurrence of condensation on the sensors.Type: GrantFiled: July 27, 2004Date of Patent: July 17, 2007Assignee: Fisher & Paykel Healthcare LimitedInventors: Lewis George Gradon, Stephen William McPhee, Paul John Seakins, Peter John Leonard
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Patent number: RE40806Abstract: A flow probe for use in a humidification system is disclosed. The flow probe is adapted to be positioned in a humidified gases flow (for example oxygen or anaesthetic gases) such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both temperature and flow rate sensing of the gases flow by incorporating two sensors (preferably thermistors) and the shape and alignment of the probe enables accurate readings by reducing the occurrence of condensation on the sensors.Type: GrantFiled: July 27, 2004Date of Patent: June 30, 2009Assignee: Fisher & Paykel Healthcare LimitedInventors: Lewis George Gradon, Stephen William McPhee, Paul John Seakins, Peter John Leonard
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Patent number: RE41298Abstract: The present invention relates to a device for delivering a supply of gases to a patient. The device includes a patient interface and connecting member. The connecting member is preferably a L-shaped swivelled connector that is capable of being fixed into one of two positions, a first position where the connector is freely rotatable within the patient interface, and a second position where an interference between the interface and connector prevents the free rotation of the connector within the patient interface. The present invention further relates to a connector that has outlet means, which includes at least one outlet vent and a funnel, which in use directs and passes a substantial portion gases expired from the patient through the outlet vent or vents.Type: GrantFiled: October 10, 2007Date of Patent: May 4, 2010Assignee: Fisher & Paykel Healthcare LimitedInventors: Nicholas Charles Alan Smith, Alastair Edwin McAuley, Chris Earl Nightingale, Ivan Milivojevic, Lewis George Gradon