| 摘要 |
An apparatus for positioning a human arm for shoulder surgery which includes a clamp (12) for attaching the apparatus to a support, a bracket (18) movably mounted in the clamp and a forearm pad (22) movably mounted on the bracket (18) adapted to support the forearm portion of the human arm. A pulley support arm (36) is movably mounted on the bracket (18) and a pulley (38) is mounted on the pulley arm. An upper arm cuff (42) is provided for attachment to the upper arm portion of the human arm. A flexible strand (52) is connected at an upper end to the cuff (42), extends along the pulley and, at a lower end thereof, receives a selected weight. The weight, in response to gravity, puts tension on the strand (52) which in turn pulls the cuff (42), and thereby the human upper arm, outwardly from the body to which the arm is appended.
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