Respiration therapy apparatus
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United States of America Patent
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-
Jan 22, 1991
Issued Date -
N/A
app pub date -
Nov 7, 1989
filing date -
May 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a respiration therapy apparatus used as a drug atomizer and/or a so-called respirator and/or as an oxygen dispenser. In the apparatus of the invention, administration to a patient of oxygen or air is discontinued, at the latest, when the exhalation phase begins. This has been implemented in the apparatus of the present invention by utilizing a pressure pick-up (22) observing differential pressure of the flow and which further provides control of an electromagnetic valve (23) which is disposed to close and to open a pressure line (16). At commencement of the inspiration phase, the differential pressure is transmitted over a signal connection (99) to the pressure pick-up (22). The pressure pick-up (22) further controls the electromagnetic valve (23), opening the pressure line (16). The pressure pick-up (22) measuring differential pressure has been connected, in accordance with the present invention, over a signal connection (19, 39, 59 or 99) to an oxygen mask, to oxygen whiskers (30), to an atomizer (50), or to a respirator (80).
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