METHOD OF BENDING WORKING FOR MEDICAL SUTURE NEEDLE AND MEDICAL SUTURE NEEDLE
申请公布号:EP2057947(B1)
申请号:EP20070806223
申请日期:2007.08.29
申请公布日期:2016.05.25
发明人:MATSUTANI, KANJI;MASHIKO, MASAKI;TOCHIMURA, YOSHIMASA
分类号:A61B17/06
主分类号:A61B17/06
摘要:When a biotissue is sutured using a curved medical suture needle, the penetration resistance becomes uniform. In a bending method, a straight needle-shaped material A which has a thickness decreased from a body portion 1 to a needle point 2 is inserted between a roller 11 having a processing surface 11a and a belt 12 wound around the roller 11 via a separating member 21, and then the roller 11 is rotated and the belt 12 is winded, thereby pressing and curving the straight needle-shaped material onto the processing surface 11a. In a suture needle B, a portion of a tip side including the needle point 2 is formed as a non-restricted portion which is not restricted by the processing surface 11a of the roller 11, and a portion except for the non-restricted portion is formed as a curved portion which is bent along the processing surface 11a of the roller 11.
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