Self-locking resorbable screws and plates for internal fixation

Details Self-locking resorbable screws and plates for internal fixation Self-locking resorbable screws and plates for internal fixation

1991-09-03

1994-01-04

Brown, Michael A.

Surgery

Instruments

Orthopedic instrumentation

606 69, 606 73, A61B 1756

Patent

active

052756017

ABSTRACT:
An absorbable bone screw and plate system with self-locking properties. The absorbable bone screw comprises a threaded shaft portion 1 for insertion into bone and a head portion 3 for rigid connection in the screw hole 13 of a bone plate 20, the diameter of said head portion 3 increasing in the direction opposite to the shaft portion 1, and the outer surface of said head portion 3 being provided with a three-dimensional structure 4 in the form of corrugations.

REFERENCES:
patent: 213551 (1879-03-01), Doten
patent: 388000 (1888-08-01), Rider
patent: 1151861 (1915-08-01), Brumback
patent: 2136524 (1938-11-01), Rosenberg
patent: 3741205 (1973-06-01), Markolf
patent: 4655661 (1987-04-01), Brandt
patent: 4776329 (1988-10-01), Treharne
patent: 4905680 (1990-03-01), Tunc
patent: 5019078 (1991-05-01), Perren
patent: 5085660 (1992-02-01), Lin

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