Medical Device Expert Witness / Product Development & Engineering

Patents — Troy D. Drewry

Ranked 17th out of the Top 100 Spinal Device Inventors (1971-2003)
Source: Spinal Implant Orthopedic Intellectual Property Report, Medicine Lodge, Inc. 2003

• 55 US Issued Patents to date
• 27 US Patent Applications pending
• 17 Foreign Issued Patents to date
• 33 Foreign Patent Applications pending

1. 5,728,098 – Multi-Angle Bone Screw Assembly Using Shape-Memory Technology
   Inventors: Michael C. Sherman and Troy D. Drewry
2. 5,782,831 – Method and Device for Spinal Deformity Reduction Using A Cable and a Cable Tensioning System
   Inventors: Michael C. Sherman and Troy D. Drewry
3. 5,797,911 – Multi Axial Bone Screw Assembly
   Inventors: Michael C. Sherman and Troy D. Drewry
4. Des. 403,069 – Orthopedic Bone Support
   Inventors: Troy Drewry and Michael C. Sherman
5. 5,879,350 – Multi-Axial Bone Screw Assembly
   Inventors: Michael C. Sherman and Troy D. Drewry
6. 5,885,286 – Multi-Axial Bone Screw Assembly
   Inventors: Michael C. Sherman and Troy D. Drewry
7. 5,891,145 – Multi-Axial Screw
   Inventors: Matthew Morrison, Michael C. Sherman, and Troy D. Drewry
8. 5,897,556 – Device for Supporting Weak Bony Structures
   Inventors: Michael C. Sherman and Troy D. Drewry
9. 5,947,966 – Device for Linking Adjacent Rods in Spinal Instrumentation
   Inventors: Troy Drewry, Michael C. Sherman, James E. Van Hoeck, Denis S. Drummond, David L. Brumfield, and M. Neil Anderson
10. 5,951,553 – Methods and Apparatus for Fusionless Scoliosis Treatment of Spinal Deformities
    Inventors: Randall Betz, Michael C. Sherman, and Troy D. Drewry
11. 5,954,725 – Multi-Angle Bone Screw Assembly Using Shape-Memory Technology
    Inventors: Michael C. Sherman and Troy D. Drewry
12. 5,976,135 – Lateral Connector Assembly
    Inventors: Michael C. Sherman, Eddie Ray III, Troy D. Drewry, and David Shapiro
13. 6,053,917 – Multi-Axial Bone Screw Assembly
    Inventors: Michael C. Sherman and Troy D. Drewry
14. 6,132,434 – Multi-Angle Bone Screw Assembly Using Shape-Memory Technology
    Inventors: Michael C. Sherman and Troy D. Drewry
15. 6,149,651 – Device for Supporting Weak Bony Structures
    Inventors: Troy D. Drewry and Michael C. Sherman
16. 6,235,028 – Surgical Guide Rod
    Inventors: David L. Brumfield, Paige A. Myrick, B. Thomas Barker, and Troy D. Drewry
17. 6,287,308 – Methods and Apparatus for Fusionless Treatment of Spinal Deformities
    Inventors: Randall Betz, Michael C. Sherman, Troy Drewry
18. 6,287,311 – Multi-angle Bone Screw Assembly Using Shape-Memory Alloy Technology
    Inventors: Michael C. Sherman, Troy Drewry
19. 6,296,643 – Device for the Correction of Spinal Deformities Through Vertebral Body Tethering Without Fusion
    Inventors: Christoph Hopf, Troy Drewry, Michael C. Sherman
20. 6,299,613 – Device for the Correction of Spinal Deformities Through Vertebral Body Tethering Without Fusion
    Inventors: James Ogilvie, Christoph Hopf, Michael C. Sherman, Troy Drewry, Jean Saurat
21. 6,325,805 – Shape Memory Alloy Staple
    Inventors: James Ogilvie, Troy D. Drewry, Michael C. Sherman
22. 6,436,099 – Adjustable Spinal Tether
    Inventors: Troy D. Drewry, Michael C. Sherman, David Brumfield
23. 6,454,773 – Multi-angle Bone Screw Assembly Using Shape-Memory Alloy Technology
    Inventors: Michael C. Sherman, Troy Drewry
24. 6,605,090 – Non-metallic Implant Devices and Intra-Operative Methods for Assembly and Fixation
    Inventors: Michael C. Sherman, Troy Drewry
25. 6,616,669 – Method for the Correction of Spinal Deformities Through Vertebral Body Tethering Without Fusion
    Inventors: James Ogilvie, Michael C. Sherman, Troy Drewry, Jean Saurat
26. 6,623,484 – Method and Apparatus for Fusionless Treatment of Spinal Deformities
    Inventors: Randall Betz, Michael C. Sherman, Troy Drewry
27. 6,773,437 – Shape Memory Alloy Staple
    Inventors: James Ogilvie, Michael C. Sherman, Troy Drewry, Jean Saurat
28. 6,783,527 – Flexible Spinal Stabilization System and Method
    Inventors: Troy D. Drewry and Fred J. Molz
29. 6,991,653 – Vertebral Body and Disc Space replacement device
    Inventors: White, John L., DeRidder, Steven D., Berry, Bret M., Frey, George, Moore, Jeffrey D., Scifert, Jeffrey L., Drewry, Troy D., Smithey, Jeffrey S., and Lange, Eric C.
30. 7,018,379 – Flexible Spinal Stabilization System and Method
    Inventors: Troy D. Drewry and Fred J. Molz
31. 7,094,240 – Flexible Member Tensioning Instrument and Methods
    Inventors: Fred J. Molz, Michael C. Sherman, and Troy D. Drewry
32. 7,172,593 – Non-metallic Implant Devices and Intra-operative Methods for Assembly
    Inventors: Hai H. Trieu,., Jeff R. Justis, Troy D. Drewry, Michael C. Sherman, Bradley J. Coates, and Bradley T. Estes
33. 7,285,121 – Devices and Methods for the Correction and Treatment of Spinal Deformities
    Inventors: John T. Braun, Fred J. Molz, Troy D. Drewry, and Michael C. Sherman
34. 7,367,978 – Adjustable Spine Tether
    Inventors: Troy D. Drewry, Michael C. Sherman, and David L. Brumfield
35. 7,517,359 – Vertebral Rod Assemblies and Methods
    Inventors: Troy D. Drewry and Barry Null
36. 7,556,630 – Flexible Member Tensioning Instrument and Methods
    Inventors: Fred J. Molz, Michael C. Sherman, and Troy D. Drewry
37. 7,615,078 – Vertebral Body and Disc Space Replacement Device
    Inventors: John L. White, Steven D. DeRidder, Bret M. Berry, George Frey, Jeffrey D. Moore, Jeffrey L. Scifert, Troy D. Drewry, Jeffrey S. Smithey, and Eric C. Lange
38. 7,625,380 – Dual Distractor Inserter
    Inventors: Troy D. Drewry and Bret M. Berry
39. 7,722,648 – Crosslink Interconnection of Bone Attachment Devices
    Inventors: Troy D. Drewry, William Barry Null, and Marc T. Paul
40. 7,828,826 – Flexible Spine Stabilization System and Method
    Inventors: Troy D. Drewry and Fred J. Molz
41. 7,837,714 – Methods and Devices Interconnection of Bone Attachment Devices
    Inventors: Troy D. Drewry, William Barry Null, and Marc T. Paul
42. 7,867,258 – Multi-Axial Bone Attachment Member
    Inventors: Troy D. Drewry, William Barry Null, and Marc T. Paul
43. 7,901,434 – Vertebral Rod Assemblies and Methods
    Inventors: Troy D. Drewry and William Barry Null, and Marc T. Paul
44. 7,909,855 – Orthopedic Implant Assembly
    Inventors: Troy D. Drewry, William Barry Null, and Marc T. Paul
45. 7,951,177 – Non-metallic Implant Devices and Intra-operative Methods for Assembly and Fixation
    Inventors: Hai H. Trieu,., Jeff R. Justis, Troy D. Drewry, Michael C. Sherman, Bradley J. Coates, and Bradley T. Estes
46. 7,988,711 – Low Profile Vertebral Stabilization Systems and Methods
    Inventors: David R. Erickson, Troy D. Drewry, Robert A. Farris, and Jason Michael May
47. 8,142,483 – Flexible Spine Stabilization System and Method
    Inventors: Troy D. Drewry and Fred J. Molz
48. 8,353,934 – Crosslink Interconnection of Bone Attachment Devices
    Inventors: Troy D. Drewry, William Barry Null, and Marc T. Paul
49. 8,512,406 – Vertebral Body and Disc Space Replacement Devices
    Inventors: John L. White, Steven D. DeRidder, Bret M. Berry, George Frey, Jeffrey D. Moore, Jeffrey L. Scifert, Troy D. Drewry, Jeffrey S. Smithey, Eric C. Lange
50. 8,672,972 – Low Profile Vertebral Stabilization Systems and Methods
    Inventors: David R. Erickson, Troy D. Drewry, Robert A. Farris, and Jason Michael May
51. 8,911,480 – Non-metallic Implant Devices and Intra-operative Methods for Assembly and Fixation
    Inventors: Hai H. Trieu,., Jeff R. Justis, Troy D. Drewry, Michael C. Sherman, Bradley J. Coates, and Bradley T. Estes
52. 9,101,489 – Expandable Anterior Lumbar Interbody Fusion Device
    Inventors: Dimitri Protopsaltis, Troy D. Drewry, Joshua Morin, and Hugues Malandain
53. 9,358,045 – Flexible Spine Stabilization System and Method
    Inventors: Troy D. Drewry and Fred J. Molz
54. 9,370,382 – Translaminar Interspinous Stabilization System
    Inventors: John S. Thalgott, David T. Stinson, and Troy D. Drewry
55. 9,387,089 – Expandable Anterior Lumbar Interbody Fusion Device
    Inventors: Dimitri Protopsaltis, Troy D. Drewry, Joshua Morin, and Hugues Malandain