Surgical drainage
The main disadvantage of drains used in surgery and traumatology is the relatively rapid clogging of their lumen by wound discharge. In order to increase the activity of drainage, the effectiveness of washing and vacuuming of wounds, as well as to facilitate the cleaning of the drainage tube, we have proposed surgical Drainage (certificate for the rationalization proposal No. 387 of 8/1V 1982, issued by the Kazan Research Institute) with a special mandrel. The latter is made in the form of an elastic rod 3 (A) with a thickness corresponding to the inner diameter of the surgical tube /, with a spiral notch 4 over the entire surface of the mandrel.
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