Transpedicular vertebral attachment systems and device for the p

Details Transpedicular vertebral attachment systems and device for the p Transpedicular vertebral attachment systems and device for the p

1997-11-14

1999-12-14

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

A61F 504

Patent

active

060011025

ABSTRACT:
In transpedicular vertebral attachment systems and a device for the practice thereof a screw is provided. The screw is much shorter than a traditional screw and engages a plug of silastic or any other polymer having equivalent mechanical properties and biocompatibility, such as a metal or metal alloy. The plug is inserted in the pedicle, extending only slightly beyond the length thereof. The system is applicable to osteoporotic patients in whom the density of the bone tissue of the vertebral body is much lower, and in general in all lesions of the backbone in which instrumented vertebral fusion is indicated.

REFERENCES:
patent: 4611581 (1986-09-01), Steffee
patent: 4716893 (1988-01-01), Fischer et al.
patent: 5059193 (1991-10-01), Kuslich

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