| 主权项 |
1. A device for holding a surgical tool comprising:
a first member extending along a longitudinal axis between a first end and a second end, the first end including an inner surface defining a cavity, the inner surface defining a locking element extending into the cavity, the first end further including a first opening extending through a first surface and a second opening extending through an opposite second surface, the first and second openings being in communication with the cavity; a pivoting member movably disposed in the cavity including an inner surface defining a passageway, an outer surface of the pivoting member including a plurality of spaced apart grooves each configured to engage the locking element; and a second member disposed within the passageway, wherein the pivoting member is movable between a first orientation such that the locking element is spaced apart from the grooves and the pivoting member is rotatable to a selected trajectory relative to the longitudinal axis and a second orientation such that the locking element engages one of the grooves and the second member is fixed in the selected trajectory. |
