Screw and driver

Details Screw and driver Screw and driver

1994-04-01

1996-03-12

Rimell, Sam

Surgery

Instruments

Orthopedic instrumentation

606 72, 606 53, A61F 500

Patent

active

054982650

ABSTRACT:
An implant comprising a specially adapted bone screw having a threaded shank portion and a sleeve which mates with and operates in cooperation with the threaded shank portion is provided. Also provided is a driver specially adapted for inserting and removing the implant of the invention. A method of compressing a fracture in a bone is also provided. The implant generates bone compression by itself and can be used either alone or with plates and washers. It is easily inserted into a fracture and also is easily removed from the fracture. The driver which is specially adapted to be used in combination with the implant of the invention aids in the ease of insertion and removal of the implant.

REFERENCES:
patent: 4262665 (1981-04-01), Roalstad et al.
patent: 4328721 (1982-05-01), Massari
patent: 4456005 (1984-06-01), Lichty
patent: 4640271 (1987-02-01), Lower
patent: 4858601 (1989-04-01), Glisson
patent: 4867018 (1989-09-01), Spector
patent: 4919679 (1989-04-01), Averill et al.
patent: 4940467 (1990-07-01), Tronzo
patent: 4963144 (1990-10-01), Huene
patent: 5019079 (1991-05-01), Ross
patent: 5147363 (1992-09-01), Harle

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