Tube for medical instruments and medical bag device having the s

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

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138118, 604280, 604408, A61M 500

Patent

active

045511403

ABSTRACT:
Medical instruments unsuited for gas sterilization, such as blood bag, transfusion bag, blood circuit or the like, are sterilized together with tubes connected thereto by autoclave sterilization. The medical instrument subjected to autoclave sterilization is made of a material such as a resin of vinylchloride group, ethylene-acetate vinyl resin or the like which exhibits a high tendency for blocking. According to the invention, the tubes for medical instruments which are destined for autoclave sterilization are provided on their peripheral surfaces with longitudinal ribs of specific dimensions to diminish the tendency of blocking during the autoclave sterilization and to facilitate the separation of tubes even if any blocking has taken place.

REFERENCES:
patent: 2896619 (1959-07-01), Bellamy
patent: 3419010 (1968-12-01), Williamson
patent: 3508554 (1970-04-01), Sheridan
patent: 3948273 (1976-04-01), Sanders
patent: 4140162 (1979-02-01), Gajewski et al.
Firmendruckschrift der Firma Braun Melsungen, "Braun's Blutbeutel", 1965, S. 1 bis 12.

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