PURPOSE: A drill needle is provided to improving the strength of the needle while having a pattern such drill, thereby being used for combining bone.;CONSTITUTION: A drill needle is formed by improving a conventional needle. The drill needle is used for combining bones. The drill needle penetrates the bones, and the bones are combined by using a stitching fiber in the thread hole of the drill needle. The stitching fiber is made of a material which is melted after a certain time.;COPYRIGHT KIPO 2011
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