Posterior spinal implant

Details Posterior spinal implant Posterior spinal implant

1997-02-20

2000-06-20

Snow, Bruce

Surgery

Instruments

Orthopedic instrumentation

606 72, A61B 1756

Patent

active

06077262&

ABSTRACT:
A spinal screw or hook has a slotted head to receive a support rod. A two-piece rod retainer is provided with an outer ring-like collar locked into the interior of the slotted head and a fastener extending through the collar to contact a support rod in the bottom of the slot.

REFERENCES:
patent: 4055385 (1977-10-01), Bjors
patent: 4653481 (1987-03-01), Howland et al.
patent: 5067955 (1991-11-01), Cotrel
patent: 5129388 (1992-07-01), Vignaud et al.
patent: 5360431 (1994-11-01), Puno et a.
patent: 5385583 (1995-01-01), Cotrel
patent: 5443467 (1995-08-01), Biedermann et al.
patent: 5520689 (1996-05-01), Schalpfer et al.
patent: 5536268 (1996-07-01), Griss
patent: 5545165 (1996-08-01), Biedermann et al.
patent: 5738685 (1998-04-01), Halm et al.

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