Suction device for the drainage of wounds and use of the device

Details Suction device for the drainage of wounds and use of the device Suction device for the drainage of wounds and use of the device

1987-04-22

1989-04-11

Rosenbaum, C. Fred

Surgery

Means and methods for collecting body fluids or waste material

Material collector with condition indicator

A61M 100

Patent

active

048202843

ABSTRACT:
The suction device comprises a suction vessel with a cover, the latter be provided with a projecting member. A rubber-like elastic membrane is fixedly mounted onto the top part of the projecting member. The cover comprises a first connector having its passage connected with the inner space of the suction vessel, and a second connector having its passage connected with a chamber bounded by said projecting member and the membrane. The two connectors are connected with each other by means of a connecting hose, shortly before evacuating the inner space of the suction device, at the latest, with the result, that the same negative pressure will prevail in the chamber as in the inner space of the suction device. For carrying out the wound drainage the connecting hose is detached from the connector pertaining to the chamber and is connected with a suction conduit leading to the wound. It is thus possible to avoid--during the time of storage elapsed between putting the evacuated suction device in a state of readiness and using it for wound drainage--any effects of fatigue in the membrane as well as any passage of gas through the membrane into the inner space of the suction vessel, by diffusion, even if the membrane is designed thin.

REFERENCES:
patent: 3334628 (1967-08-01), Saemann et al.
patent: 4063556 (1977-12-01), Thomas et al.
patent: 4675010 (1987-06-01), Siposs et al.

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