Expandable vertebral body replacement device and method
AssigneeMUSC Foundation for Research Development
InventorsMark Evald SEMLER, Bruce FRANKEL, Joseph RUSCITO
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Abstract
An expandable vertebral body implant, and methods of assembly and using the implant. The vertebral body implant includes a body with a first end and a second end, a rotating member rotatably coupled to the first end of the body, wherein an end includes a plurality of first notches inset into the rotating member, an extension member moveably coupled to the rotating member, and a locking member positioned on an interior of the body. Methods for assembling and using the vertebral body implant are also disclosed.
Claims20
A vertebral body implant, comprising:
- a body with a first end and a second end;
- a rotating member rotatably coupled to the first end of the body;
- an extension member moveably coupled to the rotating member;
- and
- a locking member positioned on an interior of the body.
A method of assembling a vertebral body implant, comprising:
- obtaining a body with a rotating member rotatably coupled to the body;
- inserting a locking member into a through hole of the body;
- positioning the locking member on an interior surface of the body;
- inserting an extension member into a first end of the rotating member and a first end of the body;
- rotating the rotating member to translate the extension member to an undeployed position;
- coupling a first end plate to a first end of the extension member with a first retaining member;
- and
- coupling a second end plate to a second end of the body with a second retaining member.
A method of using a vertebral body implant, comprising:
- obtaining the vertebral body implant, the vertebral body implant comprising:
- a body with a first end and a second end;
- a rotating member rotatably coupled to the first end of the body;
- an extension member moveably coupled to the rotating member;
- and
- a locking member positioned on an interior of the body;
- obtaining an insertion instrument;
- coupling the vertebral body implant to the insertion instrument;
- inserting the vertebral body implant into a patient between two vertebral bodies;
- engaging the plurality of first notches in the rotating member to translate the extension member in a first direction to expand the vertebral body implant;
- and
- removing the insertion instrument.
Dependencies are inferred from the claim text.