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US 2024/0180707 A1Published application
Sacroiliac joint fixation
AssigneeGlobus Medical, Inc.
InventorsDavid Peretz, Hannah Fischer, Jakeb Baldridge, Andrew Fluck, Caelan Allen
Life of this patent
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Abstract
Bone anchor implants, assemblies, systems, instruments, and methods thereof. The bone anchors may be threaded or non-threaded, adjustable or expandable, stackable, or otherwise configured to promote fixation of the sacroiliac joint. The bone anchors may be used independently or may be configured to integrate with long rod constructs, for example, with a tulip or other suitable attachment interface, to fuse the sacroiliac joint.
Claims20
An expandable implant comprising:
- a hollow dowel extending along a central longitudinal axis, the dowel defining a center channel in fluid communication with a plurality of openings;
- a plurality of moveable pins, each pin having an inner end receivable in the central channel and an outer end configured to eject from the opening in the dowel;
- and
- a central expansion key sized and dimensioned to fit within the center channel, wherein movement of the central expansion key causes the pins to extend radially outward from the dowel.
1 more element
An expandable implant comprising:
- an outer sleeve extending along a central longitudinal axis, the outer sleeve defining a center channel in fluid communication with a plurality of openings;
- a plurality of moveable teeth, each tooth having an inner end receivable in the central channel and an outer end configured to eject from the opening in the outer sleeve;
- and
- an inner shaft sized and dimensioned to fit within the center channel, wherein movement of the inner shaft causes the teeth to extend radially outward from the outer sleeve.
1 more element
A method for stabilizing a sacroiliac joint, the method comprising:
- posteriorly accessing a spine of a patient;
- inserting an expandable anchor into the sacroiliac joint, the anchor having a body with a plurality of expandable pins;
- and
- inserting an expansion key through the body of the anchor to deploy the pins, thereby creating a strong press-fit in the sacroiliac joint.
1 more element
Dependencies are inferred from the claim text.