MULTI-DIRECTIONAL ROD REDUCER INSTRUMENT AND METHOD
First Claim
1. A surgical instrument to position an implant element relative to a bone anchor of a spinal implant system, comprising:
- an elongated extension with a distal end removably engageable to the bone anchor and extending along a first longitudinal axis from said distal end to a proximal end;
a mounting member removably mountable to said proximal end of said extension along said first longitudinal axis;
a reducing member extending along a second longitudinal axis, said reducing member being pivotally linked to said mounting member in side-by-side relation about a pivot axis, said reducing member including at least one leg movable distally along said second longitudinal axis for positioning in contact with the implant element; and
a lateral displacement member engaged to one of said mounting member and said reducing member and positionable in contact with a proximal portion of the other of said mounting member and said reducing member, said lateral displacement member being operable to move said proximal portion of said reducing member away from said mounting member about said pivot axis to move a distal end of said at least one leg toward said distal end of said extension thereby positioning the implant element in a location more proximate the bone anchor.
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Accused Products
Abstract
A surgical reducing instrument is used to position an elongated implant element in a desired position relative to one or more of the bone anchors of a spinal implant system. The reducing instrument includes a mounting member that is mounted to the anchor and extends along a first longitudinal axis and an implant reducing member pivotally linked to the mounting member that extends along a second longitudinal axis that is offset from and variably positionable relative to the first longitudinal axis about a pivot axis. The reducing member contacts the implant element and includes a manipulation portion to move the implant element along the second longitudinal axis and can maintain contact to move the implant element toward the bone anchor when the reducing member is pivoted relative to the mounting member about the pivot axis.
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Citations
34 Claims
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1. A surgical instrument to position an implant element relative to a bone anchor of a spinal implant system, comprising:
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an elongated extension with a distal end removably engageable to the bone anchor and extending along a first longitudinal axis from said distal end to a proximal end; a mounting member removably mountable to said proximal end of said extension along said first longitudinal axis; a reducing member extending along a second longitudinal axis, said reducing member being pivotally linked to said mounting member in side-by-side relation about a pivot axis, said reducing member including at least one leg movable distally along said second longitudinal axis for positioning in contact with the implant element; and a lateral displacement member engaged to one of said mounting member and said reducing member and positionable in contact with a proximal portion of the other of said mounting member and said reducing member, said lateral displacement member being operable to move said proximal portion of said reducing member away from said mounting member about said pivot axis to move a distal end of said at least one leg toward said distal end of said extension thereby positioning the implant element in a location more proximate the bone anchor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A surgical instrument to position implants relative to a bone anchor of a spinal implant system, comprising:
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an elongated implant element; a mounting member removably mountable to the bone anchor along a first longitudinal axis, said mounting member including at least one linking arm extending therefrom to a pivot end in an oblique orientation to said first longitudinal axis; and a reducing member extending along a second longitudinal axis adjacent said mounting member, said reducing member including a housing portion and a manipulation portion mounted to and movable relative to said housing portion, said housing portion being pivotally coupled to said pivot end of said linking arm about a pivot axis, and said manipulation portion includes at least one distally extending leg contacting said implant element, wherein said at least one leg is movable distally relative to said housing portion along said second longitudinal axis for moving said implant element along said second longitudinal axis and said reducing member is pivotal relative to said mounting member about said pivot axis to change an orientation of said first and second longitudinal axes relative to one another and move said implant element transversely to said first longitudinal axis. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for positioning an implant element into a bone anchor, comprising:
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engaging the bone anchor to a vertebra of a spinal column; positioning the implant element adjacent the bone anchor; mounting a mounting member to the bone anchor with the mounting member extending proximally from the bone anchor along a first longitudinal axis; contacting the implant element with a reducing member, the reducing member being pivotally linked to the mounting member about a pivot axis and extending along a second longitudinal axis in generally side-by-side relation with the first longitudinal axis; distally displacing the implant element relative to the bone anchor by moving at least one portion of the reducing member along the second longitudinal axis; and laterally displacing the implant element toward the bone anchor by pivoting the reducing member about the pivot axis toward the bone anchor while maintaining contact of the reducing member with the implant element. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification