Flexible element for spine stabilization system
US-9220538-B2 · Dec 29, 2015 · US
Connecting member with tensioned cord, low profile rigid sleeve and spacer with torsion control
US8979904B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8979904-B2 |
| Application number | US-201213573304-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 7, 2012 |
| Priority date | May 1, 2007 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A polyaxial bone screw assembly includes a threaded shank body and a receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity. The longitudinal connecting member assembly includes a tensioned cord and has hard, non-elastic sleeves for attachment to the bone anchors, at least one spacer located between the bone anchors, and in some embodiments, an end elastic bumper and cord blocker. A down-loadable friction fit split retaining ring having inner and outer tangs and an up-loadable shank upper portion cooperate to provide for pop- or snap-on assembly of the shank with the receiver.
First claim
Opening claim text (preview).
What is claimed and desired to be secured by Letters Patent is as follows: 1. In a spinal soft stabilization longitudinal connecting member with a tensioned cord, the improvement comprising: a) a sleeve having a body and an integral outer flange, the body attachable to a bone anchor, the outer flange having an outer first substantially planar surface, the flange being sized and shaped for placement outside of the bone anchor, the body having a first through bore that also extends…
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Classifications
Human Necessities · mapped topic
Human Necessities · mapped topic
- A61B17/7008Primary
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
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Frequently asked questions
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- What does patent US8979904B2 cover?
- A polyaxial bone screw assembly includes a threaded shank body and a receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity. The longitudinal connecting member assembly includes a tensioned cord and has hard, non-elastic sleeves for attachment to the bone anchors, at least one spacer located between the bone anchors, and in some embodiments, an end el…
- Who is the assignee on this patent?
- Jackson Roger P, Surber James L
- What technology area does this patent fall under?
- Primary CPC classification A61B17/7008. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).