Back to results
US 2017/0319356 A1Published application
Enhanced Cage Insertion Assembly
AssigneeDePuy Synthes Products, Inc.
InventorsJohn C. Voellmicke, Michael J. O'Neil, Derek Shaw, Alexander Grinberg
Life of this patent
Estimating the term…
Abstract
An inserter instrument for inserting an intervertebral fusion cage having curved sidewalls, comprising: a) a threaded securement rod that mates with the cage via screw threads; b) a cannulated cage holder to receive the rod and hold the cage in position as the sheath is retracted; and c) a bulleted cannulated sheath, wherein the sheath is curved and comprises a superelastic shape memory material having a curved configuration and a straight configuration.
Claims7
An assembly comprising:
- i) an intervertebral fusion cage having curved, substantially parallel sidewalls, and
- ii) an inserter instrument for inserting the intervertebral fusion cage, comprising:
- a) a threaded securement rod that mates with the cage via screw threads;
- b) a cannulated cage holder to receive the rod and hold the cage in position;
- and
- c) a bulleted cannulated, extensible and retractable sheath extending from the cage holder,
- wherein the sheath is curved and comprises a superelastic shape memory material having a curved configuration and a straight configuration,
- wherein the cannulated cage holder holds the cage in position as the sheath is retracted.
5 more elements
Dependencies are inferred from the claim text.