Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Reexamination Certificate
2007-12-25
2007-12-25
Isabella, David J. (Department: 3738)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
C606S064000
Reexamination Certificate
active
10515043
ABSTRACT:
The invention relates to a vertebral body placeholder having a cylindrical inner body (14), which can be telescopically inserted into a coaxially arranged, sleeve-shaped outer body (16). A detent device that works in one direction is arranged between the inner body (14) and the outer body (16). A number of detent projections (22) are arranged in succession in an axial direction and form a row (20) of detent projections. A number of detent notches (26) are arranged in succession in an axial direction while corresponding to the row (20) of detent projections. Said detent notches form a row (24) of detent notches that completely or partially accommodate the row (20) of detent projections. The invention also relates to a method for assembling said vertebral body placeholder. The aim of the invention is to create a vertebral body placeholder whose overall height can be easily and reliably adjusted, particularly, during implantation. To this end, a groove (28) for accommodating the row (20) of detent projections without obstructing it is provided next to the row (24) of detent notches.
REFERENCES:
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patent: 5723013 (1998-03-01), Jeanson et al.
patent: 6283511 (2001-09-01), Kamp
patent: 296 16 778 (1998-03-01), None
patent: 1 080 703 (2001-03-01), None
patent: WO99 63913 (1999-12-01), None
patent: WO 00 23013 (2000-04-01), None
Isabella David J.
Vigil Thomas R.
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