| 摘要 |
A surgical retractor comprises a pair of arms having a common pivotal connection and a pair of retractor blades, each blade detachably connected to an arm by a rotating knee joint which allows the retractor blade to rotate about an axis parallel to the arm and also about an axis perpendicular to the arm. A detent locking mechanism allows any selected pair of a plurality of pairs of retractor blades to be detachably attached to the arms. The knee joint comprises an open sleeve for easy sanitizing. The arms are opened and closed using handles having a locking ratchet mechanism and pawl allowing the arms to be locked in any open position.
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