Locking mechanism
AssigneeWarsaw Orthopedic, Inc.
InventorsEric C. LANGE, Darren L. DAVIS
Life of this patent
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Abstract
A spinal implant includes a locking mechanism. The locking mechanism includes an inner surface defining a tapered passageway. A tapered collet is configured for disposal in the tapered passageway. The tapered collet has an inner surface defining a passageway configured for disposal of a longitudinal member. The tapered collet is configured to translate within the tapered passageway between a non-locking orientation in which the longitudinal member is moveable relative to the tapered collet and a locking orientation in which the longitudinal member is fixed relative to the tapered collet.
Claims20
A spinal implant including a locking mechanism, the locking mechanism comprising:
- an inner surface defining a tapered passageway;
- and
- a tapered collet configured for disposal in the tapered passageway, the tapered collet having an inner surface defining a passageway configured for disposal of a longitudinal member,
- wherein the tapered collet is configured to translate between a non-locking orientation in which the longitudinal member is moveable within the passageway of the tapered collet and a locking orientation in which the longitudinal member is fixed relative to the inner surface of the tapered passageway and the tapered collet.
A spinal implant including a locking mechanism comprising:
- an outer member including an inner surface defining a first passageway, the first passageway defining a first central axis along its length;
- and
- an inner member engaged to the inner surface of the outer member, the inner member defining a second central axis along its length, the inner member including an inner surface defining a second passageway configured for disposal of a longitudinal member, the second passageway defining a third central axis along its length that is offset from the second central axis,
- wherein the locking mechanism is configured to rotate between a non-locking orientation in which the first and third central axes are co-axial and the longitudinal member is movable relative to the inner and outer members and a locking orientation in which the first and third central axes are offset and the longitudinal member is fixed relative to the inner and outer members.
A spinal implant including a locking mechanism, the locking mechanism comprising:
- a wall having an inner surface defining an arcuately shaped first passageway;
- an outer member disposable with the inner surface of the wall, the outer member including an inner surface defining an arcuately shaped second passageway having a first central axis along its length;
- and
- an inner member extending between a proximal end and a distal end disposable with the second passageway and defining a second central axis along its length, the inner member including an inner surface defining a third passageway extending between the proximal and distal ends configured for disposal of a longitudinal member, the third passageway defining a third central axis along its length offset from the second central axis,
- wherein the locking mechanism is configured to rotate between a non-locking orientation in which the first and third central axes are co-axial and the longitudinal member is movable relative to the inner and outer members and a locking orientation in which the first and third central axes are offset and the longitudinal member is fixed relative to the inner and outer members.
Dependencies are inferred from the claim text.