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US 10,369,015 B2Granted
Implant inserter having a laterally-extending dovetail engagement feature
AssigneeDePuy Synthes Products, Inc.
InventorsThomas Gamache, Michael D. Sorrenti
Life of this patent
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Abstract
A spinal implant inserter having a) an outer sleeve having a bore, and b) a forked inner shaft having a proximal rod and a pair of distal tynes extending therefrom, each distal tyne comprising an engagement feature having a laterally-extending dovetail feature. An assembly comprising the implant inserter and an implant having a pair of mating dovetail features.
Claims3
A flexible bone screw driver comprising:
- a) a proximal handle,
- b) an intermediate shaft,
- c) a flexible distal end portion comprising a plurality of interlocking segments portion defining a periphery and a distal tip adapted to engage a screw head, and
- d) a flexible pre-bent sleeve that is configured to be placed radially over and around the plurality of interlocking segments to provide a loaded configuration,
- wherein the plurality of interlocking segments portion is substantially straight in its unloaded configuration,
- whereby the pre-bent sleeve pre-determines the trajectory of the tip in the loaded configuration,
- wherein the sleeve substantially contacts at least one-half of the periphery of the plurality of interlocking segments portion,
- wherein the sleeve is adapted to rotate about its longitudinal axis during torque transmission when the distal tip is received in a proximal head of an implanted bone screw,
- wherein a distal end of the sleeve is proximal to the distal tip of the flexible distal end portion.
6 more elements
Dependencies are inferred from the claim text.