Ventilation – Having protecting air current
Reexamination Certificate
2006-05-16
2006-05-16
Boles, Derek S. (Department: 3749)
Ventilation
Having protecting air current
C454S189000, C128S204180
Reexamination Certificate
active
07044850
ABSTRACT:
An open patient care unit with a bed (1), with inner and outer air discharge channels (20, 30) extending around the bed (1) at least over some sections, and with at least one air exhaust or a purgative suction unit (4) arranged above the bed (1), wherein the air discharge channels (20, 30) are directed such that they converge toward the air exhaust or purgative suction unit (4), and wherein ambient air delivered via a first fan (6) is discharged from the outer air discharge channels (30), and air, which is conditioned in terms of humidity and/or temperature and is delivered via a second fan (8) from the air exhaust or purgative suction unit (4), is discharged from the inner air discharge channels (20), has the essential advantage that a hood, which is used in incubators, is not used at all, so that switching over between different operating states is not necessary, and cooling down of the patient is thus avoided, but good access is at the same time ensured for the care providers.
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Koch Jochim
Kuo Artur Chung-Che
Boles Derek S.
Dräger Medical AG & Co. KGaA
McGlew & Tuttle PC
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