Lordotic spinal implant

Details Lordotic spinal implant Lordotic spinal implant

1997-07-29

1999-02-02

Shay, Randy C.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

606 61, 606 73, 408207, 408219, 408222, 470198, A61F 244, A61B 1756

Patent

active

058658475

ABSTRACT:
A lordotic implant has a frusto-conical shape with external threads. Prior to placement of the implant, vertebrae are distracted in a manner to provide a desired lordosis between the vertebrae. The pre-distracted vertebrae are then tapped to provide a tapped bore having a geometry matching the conical geometry of the implant. The threaded implant is then placed within the pre-tapped conical bore.

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Publication entitled "Ray Cervical Threaded Fusion Cage" of Surgical Dynamics, Concord, California, dated 1994.
Publication entitled "Varlock" of Biomat, dated Nov. 1994.
Bernardt, Normal Spinal Anatomy: Normal Sagittal Plan Alignment, Textbook of Spinal Surgery, Second Edition, Chapter 16 (pp. 185-191), Bridwell et al. editors, Lippincott-Raven Publishers, 1997.

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