Multi-axial spinal fixation system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9226777
SERIAL NO

13925992

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A spinal fixation system includes a rod and anchor devices that include a bone engaging fastener having a head defining a spherical socket. A ball insert is placed within the socket and rotated so that the ball insert is juxtaposed with the socket. The anchor device further includes a yoke defining a yoke channel for receiving the rod and a stem engaged to the ball insert captured within the socket. A sleeve disposed between the yoke channel and the fastener head supports the rod. A set screw is operable to clamp the rod against the sleeve and draw the insert into engagement within the socket. A releasable detent defined between the yoke and the fastener head is configured to releasably retain the yoke in at least one discrete position relative to the fastener. Portions of the releasable detent may also exert a frictional retention force against the fastener head.

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Patent Owner(s)

  • SPINE WAVE, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
James, Anthony Bartlett, US 58 3632
Potash, Robert Seymour, US 8 361

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