1
Mehdi M Jafari, Gardner J Kimm, Karrie McGuigan: Medical ventilator triggering and cycling method and mechanism. Respironics, Michael W Haas, September 30, 2003: US06626175 (134 worldwide citation)

A medical ventilator system and method that triggers, cycles, or both based on patient effort, which is determined from cross-correlating patient flow and patient pressure. The medical ventilator is also controlled such that sensitivity to a patient initiated trigger increases as the expiratory phas ...


2
Mehdi M Jafari, Jeffrey K Aviano, Rhomere S Jimenez, Gail F Upham: Leak-compensated flow triggering and cycling in medical ventilators. Nellcor Puritan Bennett, Merchant & Gould P C, September 25, 2012: US08272379 (111 worldwide citation)

This disclosure describes systems and methods for compensating for inelastic and elastic leaks in a ventilation system. The disclosure describes a model-based enhancement to conventional flow triggering and cycling methodologies that improves the timing and patient work of flow-based triggering and ...


3
Mehdi M Jafari, Jeffrey K Aviano, Rhomere S Jimenez, Gail F Upham: Leak-compensated pressure triggering in medical ventilators. Nellcor Puritan Bennett, Merchant & Gould PC, September 25, 2012: US08272380 (111 worldwide citation)

This disclosure describes systems and methods for compensating for inelastic and elastic leaks in a ventilation system. The disclosure describes a model-based enhancement to conventional pressure triggering methodology that optimizes the timing and patient work of pressure triggering performance. Th ...


4
Mehdi M Jafari, Rhomere S Jimenez, Gail F Upham, Jeffrey K Aviano: Leak-compensated proportional assist ventilation. Nellcor Puritan Bennett, Merchant & Gould P C, September 18, 2012: US08267085 (101 worldwide citation)

This disclosure describes systems and methods for compensating for leakage when during delivery of gas from a medical ventilator in a proportional assist mode to a patient. The technology described herein includes systems and methods to compensate the delivery of PA ventilation for leakage in the pa ...


5
Mehdi M Jafari, Gardner J Kimm, Karrie McGuigan: Medical ventilator triggering and cycling method and mechanism. RIC Investments, Michael W Haas, February 21, 2006: US07000612 (89 worldwide citation)

A medical ventilator system and method that triggers, cycles, or both based on patient effort, which is determined from cross-correlating patient flow and patient pressure. The medical ventilator is also controlled such that sensitivity to a patient initiated trigger increases as the expiratory phas ...


6
Mehdi M Jafari, Gardner J Kimm, Karrie McGuigan: Medical ventilator triggering and cycling method and mechanism. Respironics, Michael W Haas, November 30, 2004: US06823866 (85 worldwide citation)

A medical ventilator system and method that triggers, cycles, or both based on patient effort, which is determined from cross-correlating patient flow and patient pressure. The medical ventilator is also controlled such that sensitivity to a patient initiated trigger increases as the expiratory phas ...


7
Mehdi M Jafari, Rhomere S Jimenez, Gail F Upham, Jeffrey K Aviano: Leak-compensated pressure regulated volume control ventilation. Covidien, April 16, 2013: US08418691 (7 worldwide citation)

This disclosure describes systems and methods for compensating for leakage when during delivery of gas to a patient from a medical ventilator in a pressure regulated volume control (PRVC) ventilation mode. The technology described herein includes systems and methods that compensate the delivery of P ...


8
Mehdi M Jafari, Rhomere S Jimenez, Gail F Upham, Jeffrey K Aviano: Leak-compensated respiratory mechanics estimation in medical ventilators. Covidien, April 23, 2013: US08424521 (6 worldwide citation)

This disclosure describes systems and methods for compensating for leakage when determining the respiratory mechanics of a patient during delivery of gas from a medical ventilator to a patient. The systems and methods include monitoring an instantaneous flow in the ventilation system based on one or ...


9
Mehdi M Jafari, Rhomere S Jimenez, Edward R McCoy, Jeffrey K Aviano: Ventilator leak compensation. Covidien, May 7, 2013: US08434480 (5 worldwide citation)

A ventilator including a pneumatic system for providing and receiving breathing gas, and a controller operatively coupled with the pneumatic system. The controller is operable to control circulation by the pneumatic system of breathing gas to and from a patient, and to adjust at least one of a volum ...


10
Mehdi M Jafari, Rhomere S Jimenez, Gail F Upham, Jeffrey K Aviano: Leak-compensated proportional assist ventilation. Covidien, May 28, 2013: US08448641 (5 worldwide citation)

This disclosure describes systems and methods for compensating for leakage when during delivery of gas from a medical ventilator in a proportional assist mode to a patient. The technology described herein includes systems and methods to compensate the delivery of PA ventilation for leakage in the pa ...