EXPANDABLE VERTEBRAL BODY REPLACEMENT DEVICE AND METHOD
First Claim
1. A vertebral body implant, comprising:
- a body with a first end and a second end;
a first rotating member rotatably coupled to the first end, wherein an end includes a plurality of first notches inset into the first rotating member;
a second rotating member rotatably coupled to the second end, wherein an end includes a plurality of second notches inset into the second rotating member;
a first extension member moveably coupled to the first end; and
a second extension member moveably coupled to the second end.
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Accused Products
Abstract
Expandable vertebral body implants, systems, instruments, and methods of assembly and using the implants, systems, and instruments are disclosed. The vertebral body implant includes a body with a first end and a second end, a first rotating member rotatably coupled to the first end, wherein an end includes a plurality of first notches inset into the first rotating member, a second rotating member rotatably coupled to the second end, wherein an end includes a plurality of second notches inset into the second rotating member, a first extension member moveably coupled to the first end, and a second extension member moveably coupled to the second end. The expandable cage system comprises a vertebral body implant and an insertion instrument. Methods for assembling and using the vertebral body implants and instruments are also disclosed.
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Citations
20 Claims
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1. A vertebral body implant, comprising:
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a body with a first end and a second end; a first rotating member rotatably coupled to the first end, wherein an end includes a plurality of first notches inset into the first rotating member; a second rotating member rotatably coupled to the second end, wherein an end includes a plurality of second notches inset into the second rotating member; a first extension member moveably coupled to the first end; and a second extension member moveably coupled to the second end. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An expandable cage system, comprising:
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a vertebral body device, comprising; a body with a first end and a second end, the body comprising; at least one aperture positioned on the body along a midpoint between the first end and the second end; at least one first locking hole positioned superior to the at least one aperture; and at least one second locking hole positioned inferior to the at least one aperture; a first rotating member coupled to the first end; a second rotating member coupled to the second end; a first extension member moveably coupled to the first end; and a second extension member moveably coupled to the second end; and an insertion instrument, wherein the insertion instrument is sized to be placed around the at least one aperture, the at least one first locking hole, and the at least one second locking hole. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of using an expandable cage system, comprising:
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obtaining a vertebral body implant, the vertebral body implant comprising; a body with a first end and a second end; a first rotating member rotatably coupled to the first end; a second rotating member rotatably coupled to the second end; a first extension member moveably coupled to the first end; and a second extension member moveably coupled to the second end; 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; expanding the vertebral body implant; and removing the insertion instrument. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification