Bone screw and washer insertion tool

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United States of America Patent

PATENT NO 8945139
SERIAL NO

13589593

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The insertion tool and pusher system of the present invention includes a bone screw having a head and a shaft. An annular washer is adapted to be mounted on the bone screw shaft. An insertion tool having a longitudinally extending shaft with an axial bore therethrough is provided for receiving the bone screw. The shaft has a first end with a washer retention surface surrounding the insertion tool cannulated shaft bore. The washer is held on the retention surface which positions the washer to receive the bone screw shaft. Pin-like spring elements are used to hold the washer in position. A plate is mounted on an outer surface at the first end of the inserter shaft, the plate having a bone contacting surface.

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First Claim

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Patent Owner(s)

  • STRYKER EUROPEAN HOLDINGS I, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Archdeacon, Michael Cincinnati, US 4 8
Kemper, Jakob Las Condes, CL 15 120
Morfing, Nick Nyack, US 2 15
Sagi, Henry Claude Tampa, US 4 8

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