Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2008-05-27
2008-05-27
Ramana, Anuradha (Department: 3733)
Surgery
Instruments
Orthopedic instrumentation
Reexamination Certificate
active
07377921
ABSTRACT:
A damping element (1) includes: (a) two spring elements (2, 4) which are coaxial with or parallel to a longitudinal axis (3) and two axially end-side connectors (5, 6), where (b) the first spring element (2) exhibits a spring rate F, (c) the second spring element (4) exhibits a spring rate f, and (d) the spring rates F and f are different. A device stabilizing adjacent vertebras, comprising (a) N pedicle screws of hooks (12), where N≧3and where (b) each pedicle screw or pedicle hook (12) includes a receiving device (13) receiving a longitudinal affixation device (7) and where (c) an element (14) acting as a spring is inserted between two adjacent pedicle screws (12) or pedicle hooks.
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WO 99/40866, Interspinous Stabiliser to be Fixed to Spinous Processes of Two Vertebrae, Publication Date: Aug. 19, 1999.
Frigg Robert
Studer Armin
Ramana Anuradha
Stroock & Stroock & Lavan LLP
Synthes (U.S.A.)
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