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AssigneesKaneka Corporation, Kyoto University
InventorsHirokazu Kamakura, Yuki Mukai, Kohei Fukaya, Shin Watanabe, Ryusuke Nishikawa, Munekazu Tanaka
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A puncture needle is a medical puncture needle having a longitudinal direction and including a tubular portion having an inner cavity extending in the longitudinal direction of the puncture needle and a ridge portion projecting radially outward of the tubular portion in a cross-section perpendicular to the longitudinal direction of the puncture needle. The ridge portion extends helically around the tubular portion. A puncture catheter includes the puncture needle.
A medical puncture needle having a longitudinal direction, the puncture needle comprising:
Dependencies are inferred from the claim text.