Disc space spreader

Details Disc space spreader Disc space spreader

1999-06-09

2000-02-29

Smith, Jeffrey A.

Surgery

Instruments

Orthopedic instrumentation

A61B 1716

Patent

active

060303905

ABSTRACT:
An insertable and removable disc space spreader is provided for maintaining proper space between adjacent vertebral bodies during laminectomy procedures. In general, the disc space spreader of this invention provides a more gradual and therefore gentler entry into the intradiscal space and subsequently fewer traumas to bone and tissue contained therein than previously known spreaders. The spreader, in one embodiment, is able to form grooves in the vertebral bodies to subsequently facilitate insertion of a tang retractor used in these procedures.

REFERENCES:
patent: 1384330 (1921-07-01), Moshier
patent: 4239045 (1980-12-01), Schlein
patent: 4881534 (1989-11-01), Uhl et al.
patent: 4944744 (1990-07-01), Ray
patent: 5803904 (1998-09-01), Mehdizadeh
patent: 5961522 (1999-10-01), Mehdizadeh
"Ray Threaded Fusion Cage" and "Ray TFC.TM. Device System," PLIF Surgical Technique Manual, Surgical Dynamics, Inc., Norwalk, CT. (no date).

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