Apparatus and method for connecting surgical rods

摘要

An exemplary apparatus for connecting surgical rods according the principles of the present disclosure includes an elongate first arm, an elongate second arm, and a clamping assembly. The elongate first arm includes a first end that couples with a first rod and a second end with a first engagement portion. The elongate second arm includes a first end that couples with a second rod and a second end terminating in a second engagement portion. The clamping assembly includes a passageway that slidably receives the first engagement portion and that retains the second engagement portion and an adjustment member offset from the passageway that adjusts a clamping force to restrict positioning of the second engagement portion relative to the first engagement portion.

主权项

1. An apparatus for connecting surgical rods, comprising:
a first arm including a first end with a first hook configured to couple with a first rod and a second end with a first engagement portion comprising a curved channel in an upper surface and terminating in a lip in a lower surface; a second arm including a first end with a second hook configured to couple with a second rod and second end with a second engagement portion terminating in an upper hemispherical portion with a first radius and a lower hemispherical portion with a second radius greater than the first radius; and a clamp assembly including
an upper portion, a side portion, and a lower portion that form a C-shaped collar with a passageway therethrough, the lower portion slidably engageable with a lower surface of the first engagement portion and the upper portion including a hemispherical recess in a lower surface configured to retain the upper hemispherical portion of the second engagement portion;an aperture extending through the upper portion and the lower portion, offset from a transverse centerline extending through the first arm and the second arm, and on an opposite side of the first and second engagement portions at the side portion; andan adjustment member within the aperture that adjusts a clamping force on the first engagement portion and the second engagement portion to restrict positioning of the second arm relative to the first arm.