Patents by Inventor Mark S. Dowhy
Mark S. Dowhy 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: 10112023Abstract: A device, system, and method for isolating a ventilator from one or more patients in which the delivery conditions of gas delivered to an isolation device from a ventilator may drive the delivery of breathing-gas delivered to one or more patients, the breathing-gas having the same or different delivery conditions. In one embodiment, an isolation device may have a housing and a movable partition. The movable partition may be joined to the housing, The movable partition may have a patient side on a first side of the partition and an actuating side on a second side of the partition. The isolation device may include an inlet pressure regulator on the actuating side and/or an exhaust pressure regulator on the patient side. These regulators may alter the delivery conditions (including, but not limited to, pressure and volume) of breathing-gas delivered to a patient.Type: GrantFiled: December 9, 2013Date of Patent: October 30, 2018Assignee: The Research Foundation for The State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Publication number: 20140090647Abstract: A device, system, and method for isolating a ventilator from one or more patients in which the delivery conditions of gas delivered to an isolation device from a ventilator may drive the delivery of breathing-gas delivered to one or more patients, the breathing-gas having the same or different delivery conditions. In one embodiment, an isolation device may have a housing and a movable partition. The movable partition may be joined to the housing, The movable partition may have a patient side on a first side of the partition and an actuating side on a second side of the partition. The isolation device may include an inlet pressure regulator on the actuating side and/or an exhaust pressure regulator on the patient side. These regulators may alter the delivery conditions (including, but not limited to, pressure and volume) of breathing-gas delivered to a patient.Type: ApplicationFiled: December 9, 2013Publication date: April 3, 2014Applicant: The Research Foundation for the State University oInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 8602026Abstract: A device, system, and method for isolating a ventilator from one or more patients in which the delivery conditions of gas delivered to an isolation device from a ventilator may drive the delivery of breathing-gas delivered to one or more patients, the breathing-gas having the same or different delivery conditions. In one embodiment, an isolation device may have a housing and a movable partition. The movable partition may be joined to the housing, The movable partition may have a patient side on a first side of the partition and an actuating side on a second side of the partition. The isolation device may include an inlet pressure regulator on the actuating side and/or an exhaust pressure regulator on the patient side. These regulators may alter the delivery conditions (including, but not limited to, pressure and volume) of breathing-gas delivered to a patient.Type: GrantFiled: August 22, 2008Date of Patent: December 10, 2013Assignee: The Research Foundation of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 7533669Abstract: A gas delivery system and a method of delivering gas are disclosed. In one such system there is a housing and a displaceable partition. The housing may be divided by the partition into a respirator side and a patient side. The partition may have one or more holes extending through the partition to allow gas to move from one side of the partition to the other side of the partition.Type: GrantFiled: August 3, 2007Date of Patent: May 19, 2009Assignee: The Research Foundation of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 7503325Abstract: The invention includes a partial gas separator, which may include a housing and a movable divider in the housing. A method according to the invention may provide a partial gas separator and gas may be moved to or from the housing. While moving gas to or from the housing, the movable divider may be allowed to move with the flow of gas.Type: GrantFiled: September 30, 2004Date of Patent: March 17, 2009Assignee: The Research Foundation of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Publication number: 20090050151Abstract: A device, system, and method for isolating a ventilator from one or more patients in which the delivery conditions of gas delivered to an isolation device from a ventilator may drive the delivery of breathing-gas delivered to one or more patients, the breathing-gas having the same or different delivery conditions. In one embodiment, an isolation device may have a housing and a movable partition. The movable partition may be joined to the housing, The movable partition may have a patient side on a first side of the partition and an actuating side on a second side of the partition. The isolation device may include an inlet pressure regulator on the actuating side and/or an exhaust pressure regulator on the patient side. These regulators may alter the delivery conditions (including, but not limited to, pressure and volume) of breathing-gas delivered to a patient.Type: ApplicationFiled: August 22, 2008Publication date: February 26, 2009Inventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 7367335Abstract: A method of delivering a particulate therapeutic agent is disclosed. Such a method may include providing a carbon dioxide scrubber in pneumatic communication with the respiratory system of a patient. Gas and particulate therapeutic agent expired by the patient are passed through the scrubber to provide treated gas, and the treated gas and particulate therapeutic agent are provided back to the respiratory system.Type: GrantFiled: June 30, 2003Date of Patent: May 6, 2008Assignee: The Research Foundation of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Publication number: 20080035148Abstract: Isolation devices and methods of controlling a partition are disclosed. Devices according to the invention have a housing disposed about a movable partition. The housing has respirator and patient sides on respective first and second sides of the partition. The housing also has: (a) a respirator orifice on the respirator side, adaptable to be in pneumatic communication with a respirator; (b) a patient inspiration orifice on the patient side, adaptable to be in pneumatic communication with a patient; (c) a bias inflow orifice on the patient side, adaptable to be in pneumatic communication with a source of inspiratory gas; and, (d) an expiration return orifice on the patient side. The devices may further include a partition position sensor, a CO2 scrubber, and a controller operable to regulate gas flow to the bias inflow orifice based on partition position.Type: ApplicationFiled: August 9, 2007Publication date: February 14, 2008Inventors: Bradley P. Fuhrman, Mark S. Dowhy
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Publication number: 20080029094Abstract: A gas delivery system and a method of delivering gas are disclosed. In one such system there is a housing and a displaceable partition. The housing may be divided by the partition into a respirator side and a patient side. The partition may have one or more holes extending through the partition to allow gas to move from one side of the partition to the other side of the partition.Type: ApplicationFiled: August 3, 2007Publication date: February 7, 2008Inventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 7007693Abstract: 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 are in pneumatic communication with the gas flow circuit. One or more CO2 scrubbers and one or more check valves are provided in the circuit. A method of ventilating using such a device is also disclosed.Type: GrantFiled: February 3, 2003Date of Patent: March 7, 2006Assignee: The Research Foundatilon of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 6675799Abstract: An isolation device is disclosed. The isolation device may have a movable partition and a housing disposed about the movable partition. The isolation device may have a partition biaser joined to the partition, and a CO2 scrubber. A method of delivering inspiratory gas to a patient is also disclosed.Type: GrantFiled: July 19, 2002Date of Patent: January 13, 2004Assignee: The Research Foundation of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Publication number: 20030145855Abstract: A device and method of ventilating a patient reduces the bias flow relative to existing oscillatory ventilators. The device has a gas flow circuit comprising an oscillating line, a patient line and an exhalation or a return line. A gas supply line is and an outlet valve are in pneumatic communication with the gas flow circuit. One or more CO2 scrubbers and one or more check valves are provided in the circuit. A method of ventilating using such a device is also disclosed.Type: ApplicationFiled: February 3, 2003Publication date: August 7, 2003Inventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 6591836Abstract: A device and method of ventilating a patient reduces the bias flow relative to existing oscillatory ventilators. The device has an oscillator, and an oscillating line having a first end in sealing relationship with the oscillator. A gas supply line is connected to the oscillating line, and a patient line is connected to a second end of the oscillating line. An outlet valve is in pneumatic communication with the patient line. A method of ventilating using such a device is also disclosed.Type: GrantFiled: August 3, 2000Date of Patent: July 15, 2003Assignee: The Research Foundation of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy
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Publication number: 20030015199Abstract: An isolation device is disclosed. The isolation device may have a movable partition and a housing disposed about the movable partition. The isolation device may have a partition biaser joined to the partition, and a CO2 scrubber. A method of delivering inspiratory gas to a patient is also disclosed.Type: ApplicationFiled: July 19, 2002Publication date: January 23, 2003Inventors: Bradley P. Fuhrman, Mark S. Dowhy
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Patent number: 5643215Abstract: The invention comprises the use of helical propellers as pumping mechanisms, in various sizes and configurations, to improve upon present devices involving the circulation of liquid solutions between gas exchange mechanisms and subjects to which the liquid solutions are delivered. These improvements include the use of helical propellers as the primary source of fluid propulsion within the system, the use of helical propellers for supplementary fluid propulsion at points of high resistance or low pressure, and the use of reversible-flow helical propellers to achieve bi-directional variable rate flow through single lumen conduits.Type: GrantFiled: February 24, 1995Date of Patent: July 1, 1997Assignee: The Research Foundation of State University of New YorkInventors: Bradley P. Fuhrman, Mark S. Dowhy, Lynn J. Hernan