Osteosynthetic anchor bolt

Details Osteosynthetic anchor bolt Osteosynthetic anchor bolt

1990-06-18

1992-05-26

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 60, 606 61, 606 66, 606 73, A61F 500

Patent

active

051163365

ABSTRACT:
An osteosynthetic anchor bolt has a shaft which has at its front end an external thread having a major diameter greater than the diameter of the shaft and at the rear an internally threaded socket to accept a compression screw. The profile of the external thread is designed in such manner that there is maximum possible resistance to axial pressures acting on the anchor bolt frontally, laterally or both.

REFERENCES:
patent: 3990438 (1976-11-01), Pritchard
patent: 3996931 (1976-12-01), Callender, Jr.
patent: 4530114 (1985-07-01), Tepic
patent: 4621629 (1986-11-01), Koeneman
patent: 4640271 (1987-02-01), Lower
patent: 4716893 (1988-01-01), Fischer et al.
patent: 4858601 (1989-08-01), Glisson

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