1
John J O Mahony, Floyd R Farnham III: Method and apparatus for control of lung ventilator exhalation circuit. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, May 27, 1997: US05632270 (159 worldwide citation)

Patient airway baseline pressure levels are controlled in a ventilator having a pneumatically controlled exhalation valve without an external supply of pilot pressure, by supplying an internal source of controllable pilot pressure for operating the exhalation valve. The pressure of pressurized air s ...


2
John J O Mahony, Floyd R Farnham III: Lung ventilator safety circuit. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, January 28, 1997: US05596984 (133 worldwide citation)

The lung ventilator safety valve circuit includes a normally open, pulse width modulated solenoid safety valve connected to a patient airway of a ventilator system. A pressure sensor monitors pressure in the patient airway, and a control unit maintains the safety valve closed when the pressure is no ...


3
John J O Mahony, Floyd R Farnham III: Lung ventilator safety circuit. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, June 8, 1999: US05909731 (120 worldwide citation)

The lung ventilator safety valve circuit includes a normally open, pulse width modulated solenoid safety valve connected to a patient airway of a ventilator system. A pressure sensor monitors pressure in the patient airway, and a control unit maintains the safety valve closed when the pressure is no ...


4
John S Power, John J O Mahony, Edwin B Merrick: Double and single acting piston ventilators. Puritan Bennett Corporation, Fulwider Patton Lee & Utecht, July 2, 1996: US05531221 (117 worldwide citation)

The piston ventilators include a double acting reciprocating piston, in which the piston motion delivering breathing gas to a patient receiving assistance from the ventilator simultaneously draws in breathing gas from a source of breathing gas, and a single acting piston ventilator, in which only th ...


5
John J O Mahony, Andrew Halpert, Mark Gelfand: User interface for blood treatment device. CHF Solutions, Nixon & Vanderhye P C, August 2, 2005: US06923782 (69 worldwide citation)

A graphical user interface for a medical instruments for a Renal Replacement Therapy includes a pictogram representation of cthe fluid path of an extracorporeal blood circuit that represents fluid lines, pumps and sensors. To assist the user in responding to alarms and rectifying faults in the syste ...


6
Steven J Bernard, John J O Mahony, Andrew J Halpert, Mark Gelfand, Howard R Levin: Method and device for removal of radiocontrast media from blood. CHF Solutions, Nixon & Vanderhye P C, January 16, 2007: US07163520 (49 worldwide citation)

An extracorpeal blood circuit for removal of contrast from human blood using a filter and withdrawal filter pump and a by-pass pump. The withdrawal filter blood pump operates when a contrast bolus has been detected. Otherwise the bypass blood pump maintains physiological blood flow from the coronary ...


7
John J O Mahony, Thomas Robert Lendway, Andrew J Halpert: User interface for blood treatment device. CHF Solutions, Nixon & Vanderhye P C, December 4, 2007: US07303540 (35 worldwide citation)

A graphical user interface (GUI) for medical instruments for a Renal Replacement Therapy that enables an operator to select and review a series of settings for an extracorporeal pump console and implement the settings in batch manner. The GUI automatically adjusts or recommends dependent settings, e ...


8
John J O Mahony, Edwin B Merrick, Sonny Behan: Blood leak detector for extracorporeal treatment system. CHF Solutions, Nixon & Vanderhye P C, June 12, 2007: US07230687 (25 worldwide citation)

A blood leak detector is disclosed having a light source projecting a beam along an optical path, wherein the beam has a wavelength in a range of about 800 to 930 nm; a light detector receiving the beam through an aperture having a diameter in a range of 30 to 60 thousands of an inch; and a housing ...


9
John J O Mahony, Xinrui Hou, Edwin B Merrick: Cuvette apparatus and system for measuring optical properties of a liquid such as blood. CHF Solutions, Nixon & Vanderhye P C, March 2, 2010: US07671974 (23 worldwide citation)

A optical sensor for measuring tranmissive properties of a solution having: a cuvette body with an enclosed flow passage for the solution, wherein the flow passage further includes a solution inlet and a solution outlet and a cuvette between the inlet and outlet; a light source projecting light of a ...


10
Mark Gelfand, John J O Mahony, Howard R Levin: Controller for ultrafiltration blood circuit which prevent hypotension by monitoring osmotic pressure in blood. CHF Solutions, Nixon & Vanderhye P C, December 6, 2011: US08070707 (20 worldwide citation)

A device for continuously measuring osmotic pressure of blood flowing through an extracorporeal blood circuit including: a blood passage further comprising a withdrawal blood passage connectable to a blood vessel in a patient and an infusion blood passage connectable to a blood vessel in a patient; ...