61
Howard Levin, Mark Gelfand: Methods and apparatus to stimulate heart atria. BackBeat Medical, Plumsea Law Group, August 20, 2013: US08515536 (8 worldwide citation)

A method and apparatus for treatment of hypertension and heart failure by increasing vagal tone and secretion of endogenous atrial hormones by excitory pacing of the heart atria. Atrial pacing is done during the ventricular refractory period resulting in atrial contraction against closed AV valves, ...


62
John J O Mahony, Mark Gelfand, Edward G Rychlick: Method and apparatus for blood withdrawal and infusion using a pressure controller. CHF Solutions, Nixon & Vanderhye P C, March 9, 2010: US07674237 (7 worldwide citation)

A method and apparatus for controlling blood withdrawal and infusion flow rate with the use of a pressure controller. The pressure controller uses pressure targets based upon occlusion limits that are calculated as a function of flow. The controller has the ability to switch from controlling withdra ...


63
John J O Mahony, Andrew Halpert, Edward G Rychlick, Mark Gelfand: Method to control blood and filtrate flowing through an extracorporeal device. CHF Solutions, Nixon & Vanderhye P C, June 2, 2009: US07540851 (7 worldwide citation)

A method and apparatus are disclosed for controlling blood flow through an extracorporeal blood circuit having a controller comprising the steps of: withdrawing the blood from a withdrawal blood vessel in a patient into the extracorporeal circuit, treating the blood in the circuit and infusing the t ...


64
Howard Levin, Mark Gelfand: Methods and apparatus to stimulate heart atria. BackBeat Medical, Plumsea Law Group, June 21, 2016: US09370661 (7 worldwide citation)

A method and apparatus for treatment of hypertension and heart failure by increasing secretion of endogenous atrial hormones by pacing of the heart atria. Atrial pacing is done during the ventricular refractory period resulting in premature atrial contraction that does not result in ventricular cont ...


65
Mark Gelfand, Howard R Levin: Patient hydration system with a redundant monitoring of hydration fluid infusion. Medical Systems, Iandiorio Teska & Coleman, July 20, 2010: US07758562 (6 worldwide citation)

A patient hydration system including an infusion device for administering hydration fluid to a patient, and a hydration fluid measurement device responsive to a source of hydration fluid, a patient urine output measurement device. A controller is responsive to the hydration fluid measurement device ...


66
John O Mahony, Mark Gelfand, Edward G Rychlick: Method and apparatus for blood withdrawal and infusion using a pressure controller. CHF Solutions, Nixon & Vanderhye P C, June 7, 2011: US07955289 (6 worldwide citation)

A method and apparatus for controlling blood withdrawal and infusion flow rate with the use of a pressure controller. The pressure controller uses pressure targets based upon occlusion limits that are calculated as a function of flow. The controller has the ability to switch from controlling withdra ...


67
Howard Levin, Mark Gelfand: Methods and apparatus to stimulate heart atria. BackBeat Medical, Plumsea Law Group, August 30, 2016: US09427586 (6 worldwide citation)

A method and apparatus for treatment of hypertension and heart failure by increasing vagal tone and secretion of endogenous atrial hormones by excitory pacing of the heart atria. Atrial pacing is done during the ventricular refractory period resulting in atrial contraction against closed AV valves, ...


68
John J O Mahony, Mark Gelfand, Edwin B Merrick, Jayne B Merrick legal representative: Pressure sensor disconnect detection for a blood treatment device. CHF Solutions, Nixon & Vanderhye P C, January 19, 2010: US07647834 (6 worldwide citation)

A system is disclosed for detecting an electrical sensor, the system includes a sensor signal processing circuit further comprising an input port to receive a connector including the output signal lines of the sensor, a resistor connected to the output signal line of said input port, wherein the res ...


69
Howard Levin, Mark Gelfand: Methods and apparatus to increase secretion of endogenous naturetic hormones. BackBeat Medical, Plumsea Law Group, August 27, 2013: US08521280 (6 worldwide citation)

A method and apparatus for treatment of heart failure by increasing secretion of endogenous naturetic hormones ANP and BNP such as by stimulation of the heart atria. Heart pacing is done at an atrial contraction rate that is increased and can be higher than the ventricular contraction rate. Pacing m ...


70
Mark Gelfand, Robert I Rudko, Mark R Tauscher, Howard R Levin: Patient hydration system with hydration state detection. Medical Systems, Iandiorio Teska & Coleman, June 15, 2010: US07736354 (5 worldwide citation)

A patient hydration system with a patient urine output measurement device, a hydration fluid administration subsystem, and a controller, responsive to the patient urine output measurement device. The controller is configured to control the hydration fluid administration subsystem to administer hydra ...



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