Anesthesia ventilator with automatic circuit switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 20, 2001
app pub date -
Jan 18, 2001
filing date -
Jan 19, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a device for dispensing gases to a patient, in particular anesthetic gases, with reinhalation of the gas exhaled. It comprises: a first gas circulation conduit (10), a switch device (12) comprising an inlet (14) connected to said first conduit (10), and first and second outlets (16, 18), a second gas circulation conduit portion (30), a removable gas filtration unit (20), said unit comprising a gas inlet (24) which can be connected to the first outlet of the switch device, and a gas outlet (28) which can be connected to said second conduit, a branch conduit (34) whose first end is connected to the second outlet (18) of the switch device and whose other end is connected to said second conduit, detection means (36) for detecting the presence of said filter unit in the circuit; and control means (38) controlling the switch device (12) so as to cause said switch device to assume a first state in which its inlet (14) is connected to its first outlet (16), and, in the absence of detection information, to cause said switch device to assume a second state in which its inlet (14) is connected to its second outlet (18).
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Family
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