1
Ralph Anderson, Nurit Yehushua, Paul Smargiassi, Paul Thompson, Fred Moore: Human lung ventilator system. Infrasonics, Gregory Garmong, August 24, 1993: US05237987 (218 worldwide citation)

A patient ventilator system provides a controllable flow and volume of a mixed inhalation gas to a patient, and receives exhaled gas from the patient. The ventilator system includes gas flow controllers that mix air and oxygen, and provide the mixture to the patient with a controllable inhalation cy ...


2
Ralph Anderson, Nurit Yehushua, Paul Smargiassi, Paul Thompson, Fred Moore: Human lung ventilator system. Infrasonics, Gregory Garmong, September 26, 1995: US05452714 (106 worldwide citation)

A patient ventilator system provides a controllable flow and volume of a mixed inhalation gas to a patient, and receives exhaled gas from the patient. The ventilator system includes gas flow controllers that mix air and oxygen, and provide the mixture to the patient with a controllable inhalation cy ...