| 摘要 |
A retractor has a rail, a first holding arm protruding from said rail at an angle at a second holding arm extending approximately parallel to the first holding arm. A distance between said two arms being modifiable. At least one functional element is mounted on one of said holding arms. Said functional element has a section extending transversely to said holding arms and a swivel bracket protruding from said transverse section. Said functional element being pivotable about a pin extending roughly parallel to said arms via said swivel bracket, a swivelled position can be set by grasping the function element with a hand. A locking mechanism serves for locking said functional element in a swivelled position.
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