Back to results
US 12,690,900 B2Granted
Surgical instrument and method
AssigneeWarsaw Orthopedic, Inc.
InventorsRoy K. Lim, Mark C. Dace, Richard Q Brown, Adam D Glaser
Life of this patent
Estimating the term…
Abstract
A surgical instrument comprises a first member including at least a portion of a first spheroidal joint and a first lock engageable with a first bone element fixed with a first vertebrae. A second member includes at least a portion of a second spheroidal joint and a second lock engageable with a second bone element fixed with a second vertebrae. A linkage is simultaneously engageable with the spheroidal joints to lock the second member relative to the first member fixed with the first vertebrae. Surgical systems and methods are disclosed.
Claims15
A surgical instrument comprising:
- a first member including at least a portion of a first spheroidal joint and a first lock engageable with a first bone element fixed with a first vertebra;
- a second member including at least a portion of a second spheroidal joint and a second lock engageable with a second bone element fixed with a second vertebra;
- and
- a linkage being simultaneously engageable with the spheroidal joints to lock the second member relative to the first member,
- wherein the linkage includes a lever and a first arcuate link connected with the first spheroidal joint and a second arcuate link connected with the second spheroidal joint, the lever being rotatable between a non-locking orientation and a locking orientation to lock the second member relative to the first member,
- wherein the first lock includes a plate having an inner surface defining an opening configured for disposal of the first bone element, the inner surface being frictionally engageable with the first bone element to fix the first member with the first bone element,
- wherein the first spheroidal joint includes a first spherical part and a first socket being movable relative to the first spherical part,
- wherein the first socket is movable relative to the first spherical part in a non-locking orientation and fixable with the first spherical part in a locking orientation to lock the second member relative to the first member, and
- wherein the surgical instrument includes a frame supporting the first socket such that the first socket is translatable relative to the frame between the non-locking orientation and the locking orientation.
6 more elements
A surgical instrument comprising:
- a first member including at least a portion of a first spheroidal joint and a first lock engageable with a first bone element fixed with a first vertebra;
- a second member including at least a portion of a second spheroidal joint and a second lock engageable with a second bone element fixed with a second vertebra;
- a linkage being simultaneously engageable with the spheroidal joints to lock the second member relative to the first member,
- wherein the first spheroidal joint includes a first spherical part and a first socket being movable relative to the first spherical part,
- wherein the first socket is movable relative to the first spherical part in a non-locking orientation and fixable with the first spherical part in a locking orientation to lock the second member relative to the first member,
- wherein the surgical instrument includes a frame supporting the first socket such that the first socket is translatable relative to the frame between the non-locking orientation and the locking orientation, and
- wherein the first lock includes a plate having an inner surface defining an opening configured for disposal of the first bone element, the inner surface being frictionally engageable with the first bone element to fix the first member with the first bone element.
4 more elements
A surgical instrument comprising:
- a first member including a spherical part of a first spheroidal joint;
- a second member including a spherical part of a second spheroidal joint;
- a linkage comprising a frame, a first plate and a second plate;
- a first end cap coupled to a first end of the frame;
- and
- a second end cap coupled to a second end of the frame,
- wherein a surface of first end cap and a surface of the first plate define a socket of the first spheroidal joint,
- wherein a surface of the second end cap and a surface of the second plate define a socket of the second spheroidal joint,
- wherein the spherical part of the first spheroidal joint is disposed in the socket of the first spheroidal joint and the spherical part of the second spheroidal joint is disposed in the socket of the second spheroidal joint,
- wherein the plates are movable relative to the end caps to move the plates between a non-locking orientation in which the members are movable relative to the end caps and a locking orientation in which the spherical parts are in fixation with the surfaces of the end caps to fix the members relative to the end caps,
- wherein the linkage includes a lever that is rotatable relative to the frame and the end caps to move the plates between the non-locking orientation and the locking orientation, and
- wherein the lever is positioned between the sockets.
9 more elements
Dependencies are inferred from the claim text.