Adjustable height spinal distractor
AssigneeSDGI Holdings, Inc.
InventorsCarlos Gil, Bret Wilfong
Life of this patent
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Abstract
A distractor assembly for preparing an intervertebral disc space between a first vertebra and a second vertebra is described. The distractor assembly comprises a cross bar and first and second distracting arms connected to the cross bar. Each of the distracting arms includes a base portion and a moveable portion connected to the base portion via a length adjustment assembly operable to cause translation of the moveable portion relative to the base portion, thereby to adjust a length of the distracting arm
Claims20
A distractor assembly for preparing an intervertebral disc space between a first vertebra and a second vertebra, the distractor assembly comprising:
- a cross bar;
- first and second distracting arms connected to the cross bar;
- wherein each of the distracting arms comprises a base portion and a moveable portion connected to the base portion via a length adjustment assembly operable to cause translation of the moveable portion relative to the base portion, thereby to adjust a length of the distracting arm.
A method of using a distractor assembly to prepare an intervertebral disc space between a first vertebra and a second vertebra;
- attaching first and second distractor arms of the distractor assembly to anchoring devices connected to the vertebrae;
- and
- adjusting a length of one of the distractor arms using a length adjustment assembly connecting a base portion of the distractor arm to a moveable portion of the distractor arm.
A distractor assembly for preparing an intervertebral disc space between a first vertebra and a second vertebra, the distractor assembly comprising:
- a cross bar;
- first and second distracting arms connected to the cross bar, wherein each of the distracting arms comprises:
- a base portion;
- a moveable portion comprising a threaded section;
- and
- a length adjustment assembly for connecting the moveable portion to the base portion, the length adjustment assembly comprising a helical screw.
Dependencies are inferred from the claim text.