Isolation unit

Details Isolation unit Isolation unit

1999-06-03

2001-04-17

Gilbert, Samuel G. (Department: 3736)

Surgery

Isolation treatment chambers

Reexamination Certificate

active

06217507

ABSTRACT:

BACKGROUND
Controlling infections at hospitals and health care institutions is an increasing problem. This has created a need for simple systems that isolate and protect both patient and staff. In addition, patients often have reduced body functions and require special environmental conditions such as controlled air temperature, air moisture and oxygen supply.
From U.S. Pat. No. 2,915,074 a device is known for patient treatment comprising a rectangular horizontal bottom piece having semi-rigid side walls. The side walls have inflatable air channels for support. This known device is primarily intended as an alternative to different masks, that is, to cover the head. The possibility of covering the whole body, or to be able to open certain parts for operations, etc. is not disclosed.
Furthermore, U.S. Pat. No. 2,915,074 describes the use of a plastic material that has a stiffness which implies that the device has a supporting ability per se. The described air channels comprise only a part of the supporting construction, and are integrated with the side walls. Thus the construction is only collapsible and not totally flexible, and it is not possible to use different materials for covering of walls.
SUMMARY OF THE INVENTION
It is thus an object of present invention to provide an inflatable isolation unit that can protect patient and staff in respect of danger of infection, and establish a controllable inner environment in respect of oxygen, temperature, etc. The isolation unit of this invention has upper and lower inflatable longitudinal channels that are connected to inflatable upper and lower cross channels by upright channels. When inflated, this defines a generally rectangular self supporting framework having two sides, a top and two ends. The channels defining the tops the sides, the top and the ends are separated from each other, providing windows at the sides, the top and the ends. The windows are open for access to the interior of the isolation unit. The windows can be closed with a cover to isolate atmosphere in the isolation unit. At least one perforated tube is disposed within the isolation tube. A fan communicates with the perforated tube for circulating the gas through perforations.


REFERENCES:
patent: 3774522 (1973-11-01), Marsh
patent: 3818896 (1974-06-01), Deaton
patent: 3875927 (1975-04-01), Trexler
patent: 4736762 (1988-04-01), Wayman
patent: 5832919 (1998-11-01), Kano et al.

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