作者: Knud-Werner Gaarde , Christian Overland
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摘要: A hollow surgical disposable needle of the Redon type and posteriorly surrounding retaining a tube-shaped drain manufactured in one piece strip stainless steel. This is bent into pipe-shape pressed together at its front end such manner that compressed part pipe comprises cutting edge inclined relative to longitudinal axis needle, whereas rear internal barbs securing drain. In this an advantageous very inexpensive for use obtained.