| 摘要 |
A device for preventing infections during introduction of a fluid into a body, has an element which is formed so as to surround an introducer over its periphery and extend over a part of its elongation, so that when the introducer is introduced through an opening into the body the element completely covers an area of the opening, the element being composed of a material which is biocompatible and does not cause growth of germs, bacteria, and the like.
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