发明名称 Adjustable orthopedic crutch
摘要 An adjustable crutch has two vertical supports with an upper arm rest and a third, vertically adjustable lower support. The lower supports fixes the overall height of the crutch. The independently moved hand grip is easily adjustable to provide proper spacing between the crutch's hand grip and arm rest based on the user's arm length. This contruction requires only a two-step adjustment process which may be accomplished individually by the user.
申请公布号 US4979533(A) 申请公布日期 1990.12.25
申请号 US19890297519 申请日期 1989.01.17
申请人 TRIAD TECHNOLOGIES, INC. 发明人 HANSEN, RIES B.;MORTER, HOWARD G.
分类号 A61H3/02 主分类号 A61H3/02
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