Surgery – Truss – Pad
Patent
1975-02-10
1976-03-23
Michell, Robert W.
Surgery
Truss
Pad
128188, A61M 1700
Patent
active
039453782
ABSTRACT:
A positive pressure breathing circuit for operation in conjunction with a positive pressure ventilator including a concentrically oriented inhalation/exhalation circuit having an inner inhalation tube and an outer exhalation tube, the tubes being positioned in concentric and spaced orientation, the inhalation tube being further provided with an inhalation unidirectional valve means for providing unidirectional gas flow through the inhalation tube, the exhalation tube being provided with an exhalation unidirectional valve means associated therewith for providing unidirectional gas flow through the exhalation tube, and an inflatable occlusion means interposed between the inner and outer tubes in fluid communication with a source of pressurized fluid, such that the inflatable occlusion means is alternatively inflatable and deflatable in response to fluid pressure from the source thereof, the gas flow in the inhalation tube being countercurrent with respect to the gas flow in the exhalation tube, and the circuit further being provided with disengagably mountable nebulizer means in cartridge form and in fluid communication with the inhalation tube, such that atomized medicinal fluids may be introduced into the inhalation tube during the respiratory therapy.
REFERENCES:
patent: 1510212 (1924-09-01), Du Bois
patent: 3504676 (1970-04-01), Lomholt
patent: 3814091 (1974-06-01), Henkin
Michell Robert W.
Recla Henry J.
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