Negative inspiratory force manometer apparatus

Details Negative inspiratory force manometer apparatus Negative inspiratory force manometer apparatus

2005-02-15

2005-02-15

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

C600S532000

Reexamination Certificate

active

06854334

ABSTRACT:
The apparatus is connected by tubing to a patient. The apparatus has a manometer on one side in communication with an entrance port conveying ambient air to the patient. A spring loaded cap is depressed to block air inspired by the patient and cause such air to move a diaphragm in the manometer so that the inspired negative air pressure of the patient can be recorded. As soon as the cap is released a spring opens the entrance port to continue normal flow of ambient air to the patient.

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