作者: Vincent L. deCiutiis
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摘要: An intravenous catheter includes a tubular member made from shrinkable material that has built-in cutting tip located at its distal end. The is adapted to cut through tissue and create an opening in blood vessel of patient the same diameter as outer member. shrinkably affixed least portion prevent removal during usage or insertion. Another embodiment disposed near end tube having middle formed surrounding both keeps together creates integrated unit smooth surface continuous throughout.