1
Toru Sato, Naoto Okazaki, Toshihisa Hasegawa, Katsumasa Fujii, Kazukiyo Takano: Breath synchronized gas-insufflation device and method therefor. Tottori University, Spencer & Frank, August 18, 1987: US04686974 (148 worldwide citation)

Steady insufflation of a gas starts before the beginning of each inhalation, and a pulse-like peak flow insufflation of the gas is superposed on the steady insufflation for a short period of times at the beginning of the inhalation, and the steady insufflation is terminated before the end of the inh ...


2
Toru Sato, Toshihisa Hasegawa: Pressure regulator for cuff of endotracheal tube with superposition of ventilating pressure variation. Tottori University, Spencer & Frank, May 2, 1989: US04825862 (39 worldwide citation)

A cuff pressure regulator for controlling the pressure in an annular, collapsible and inflatable bag-like cuff of a cuffed endotracheal tube inserted in a patient's trachea, while allowing superposition of the patient's ventilatory pressure variation on the cuff pressure. The regulator has a second ...


3
Toru Sato, Toshihisa Hasegawa: Cuff pressure regulator for endotracheal-tube cuff. Tottori University, Spencer & Frank, September 13, 1988: US04770170 (24 worldwide citation)

A cuff regulator for an endotracheal-tube cuff comprising a first chamber connected to a pressurized gas supply source, and a second chamber connected to the first chamber through a pressure regulating valve and having an opening connected to a cuff of the cuffed endotracheal-tube. An orifice open t ...


4
Toru Sato, Toshihisa Hasegawa: Device for opening and closing the seating plate of the lavatory unit of the seat type. Hakuju Institute for Health Science, Larson and Taylor, February 28, 1989: US04807307 (13 worldwide citation)

A device for opening and closing the seating plate of the lavatory unit of the seat type wherein the unit is provided with only the seating plate. The device includes a spring for connecting a movable member attached to the unit body with the seating plate freely swingably pivoted on the unit body a ...