PROBLEM TO BE SOLVED: To provide a medical needle capable of continuously holding an expansible part to an expanded state after a curved needle is pulled out of the skin of a patient.SOLUTION: The medical needle 1 is equipped with the curved needle 10, a base part 20, the expansible part 30 constituted so as to be made expansible in a pantograph-like state and a platelike member 60. The expansible part 30 has first and second expansible members 32 and 36 arranged in opposed relationship so as to hold the curved needle 10, the hook parts 40 arranged to the first and second expansible members 32 and 36, the notch parts 42 which are arranged to the first and second expansible members 32 and 36 and get the hook parts 40 locked in a state that the first and second expansible members 32 and 36 are expanded and the press members 46 arranged in the vicinity of the notch parts 42 and having the function for pressing the hook parts 40 to the notch parts 42 when the hook parts 40 are locked with the notch parts 42.COPYRIGHT: (C)2010,JPO&INPIT【課題】患者の皮膚から湾曲針を抜いた後において、伸縮部を伸長状態のまま維持し続けることが可能な医療用針を提供する。【解決手段】湾曲針10と、基部20と、パンタグラフ状に伸縮可能に構成された伸縮部30と、板状部材60とを備える医療用針1。伸縮部30は、湾曲針10を間にして対向配置された第1及び第2伸縮部材32,36と、第1及び第2伸縮部材32,36に配置されたフック部40と、第1及び第2伸縮部材32,36に配置され、第1及び第2伸縮部材32,36が伸長した状態のときにフック部40が係止される切り欠き部42と、切り欠き部42の近傍に配置され、フック部40が切り欠き部42に係止されるときにフック部40を切り欠き部42に向けて押さえる機能を有する押さえ部材46とを有する。【選択図】図1
