Kanji Matsutani,Yoshimasa Tochimura,Masayuki Watanabe,Shinichi Akutsu
申请号：
US12521928
公开号：
US08597326B2
申请日:
2007.12.27
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A suturing needle, comprising needle tip portion (1) having needle tip (1a), tapered portion (2) continuing to needle tip portion (1), trunk portion (3) continuing to tapered portion (2), and thread attaching portion (4) continuing to trunk portion (3) needle tip portion (1) has circular section continuing to sharp needle tip (1a), angular section continuing to sharp needle tip (1a), circular section continuing to blunt needle tip (1a) or angular section continuing to blunt needle tip (1a): wherein trunk portion (3) has the relations R1≧R2≧R3, when peak (5) or joint portion between the two flat faces has diameter R1, crest of ridges has a roundness of R2, and a valley (7) has roundness R3 and valley (7) is formed to correspond partially to peak (5), and the thickness becomes continuously larger from tapered portion (2) to trunk portion (3).
