Polyaxial screw with improved locking

Details Polyaxial screw with improved locking Polyaxial screw with improved locking

2005-03-22

2005-03-22

O'Connor, Cary E. (Department: 3732)

Surgery

Instruments

Orthopedic instrumentation

C606S064000, C606S075000

Reexamination Certificate

active

06869433

ABSTRACT:
A polyaxial pedicle screw assembly incorporates a concave portion on a receiver which mates with a convex surface on a head of the screw to form a ball joint. The radius of at least a portion of the concave surface is less than a radius of the mating convex portion whereby to create an interference fit.

REFERENCES:
patent: 5024213 (1991-06-01), Asher et al.
patent: 5129900 (1992-07-01), Asher et al.
patent: 5312404 (1994-05-01), Asher et al.
patent: 5443467 (1995-08-01), Biedermann et al.
patent: 5681319 (1997-10-01), Juergen et al.
patent: 5743907 (1998-04-01), Asher et al.
patent: 5797911 (1998-08-01), Sherman
patent: 5885286 (1999-03-01), Sherman et al.
patent: 5910142 (1999-06-01), Tatar
patent: 6022350 (2000-02-01), Ganem
patent: 6290703 (2001-09-01), Ganem
patent: 2 748 387 (1997-11-01), None
PCT International Search Report PCT/US02/00814 date of mailing Jul. 3, 2002.

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