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US 8,523,876 B2Granted
Systems and methods for compressing and distracting vertebrae of the spinal column
AssigneeWarsaw Orthopedic, Inc.
InventorsRoy K Lim, Arthur Conley, Anthony J Melkent
Life of this patent
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Abstract
Spinal surgical systems include a compressor mountable to a first vertebra and positionable relative to a fulcrum mountable to a second vertebra. The compressor and fulcrum are manipulated relative to one another to compress the first and second vertebrae. The systems further include a distractor mountable to a first vertebra and positionable relative to a fulcrum mountable to a second vertebra. The distractor and fulcrum are manipulated relative to one another to distract the first and second vertebrae.
Claims18
A distractor, comprising:
- an elongated body extending along a longitudinal axis between a proximal end and a distal leverage surface, said elongated body including a channel between said proximal end and said distal leverage surface;
- an angled extension extending distally from said distal leverage surface of said elongated body along a distal axis angled relative to said longitudinal axis, said angled extension defining a distal channel extending therealong in communication with said channel of said elongated body;
- and
- an engaging member extending distally from said angled extension, said engaging member being positionable adjacent an anchor engaged to a bony portion of a patient's body,
- wherein said engaging member includes a flat plate-like extension extending from said angled extension.
2 more elements
A spinal surgical system, comprising:
- a distractor including an elongated body extending a longitudinal axis between a proximal end and a leverage surface, said distractor further comprising an angled extension extending distally from said elongated body along a distal axis angled relative to said longitudinal axis and an engaging member extending distally from said angled extension, said engaging member being engageable to a first vertebra and including a flat plate-like extension extending from said angled extension;
- and
- a fulcrum including an elongated shaft extending between a proximal end and a distal end, said distal end being engageable to a second vertebra, said fulcrum being removably and nestably received by said distractor with said elongated shaft in contact with said leverage surface of said distractor, said distractor and said fulcrum having a first configuration wherein said distal end of said fulcrum is positioned to a first side of and adjacent to said engaging member of said distractor and said proximal end of said fulcrum is positioned to said first side of and spaced from said proximal end of said distractor, wherein movement of said proximal ends of said distractor and said fulcrum toward one another moves said engaging member of said distractor and said distal end of said fulcrum away from one another about said leverage surface.
A distractor, comprising:
- an elongated body extending along a longitudinal axis between a proximal end and a distal leverage surface, said elongated body including a channel between said proximal end and said distal leverage surface;
- an angled extension extending distally from said distal leverage surface of said elongated body along a distal axis angled relative to said longitudinal axis, said angled extension defining a distal channel extending therealong in alignment with and extending said channel of said elongated body;
- and
- an engaging member extending distally from said angled extension, said engaging member being positionable adjacent an anchor engaged to a bony portion of a patient's body, wherein said engaging member includes a flat plate-like extension extending from said distal angled portion.
1 more element
Dependencies are inferred from the claim text.