Expandable intervertebral spacers and methods of use

Details Expandable intervertebral spacers and methods of use Expandable intervertebral spacers and methods of use

2011-08-16

2011-08-16

Robert, Eduardo C (Department: 3733)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C623S017120, C623S017150

Reexamination Certificate

active

07998210

ABSTRACT:
An intervertebral spacer for positioning between vertebral members. The spacer may include contact surfaces that are configured to contact against the vertebral members. A fluid cylinder may be positioned between the first and second contact surfaces and configured to contain a fluid. The fluid cylinder may include an outer cylinder with an open first end that telescopingly receives an inner cylinder. The spacer is configured to maintain the distance between the contact surfaces at a desired amount.

REFERENCES:
patent: 5236460 (1993-08-01), Barber
patent: 2008/0161933 (2008-07-01), Grotz et al.

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