发明名称 Stationary seat crutch
摘要 An adjustable seat crutch for relieving stress on the lower spine and buttock region during prolonged periods of sitting. The device includes at least one vertically and horizontally adjustable crutch support member for attachment to the upright back portion of a seat, and designed for engagement with one or both underarms of a user to support at least a portion of the upper body weight.
申请公布号 US4788969(A) 申请公布日期 1988.12.06
申请号 US19860876934 申请日期 1986.06.20
申请人 THOMPSON, MARION E. 发明人 THOMPSON, MARION E.
分类号 A61H1/02;(IPC1-7):A61F5/02 主分类号 A61H1/02
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