Pivotal bone anchor assembly with temporary positional locking by tooling
US-2024341816-A1 · Oct 17, 2024 · US
Polyaxial bone anchors with increased angulation
US9504498B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9504498-B2 |
| Application number | US-201213688600-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 29, 2012 |
| Priority date | Nov 21, 2005 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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A polyaxial bone anchor has a locking element shaped and configured to allow an anchoring member (e.g., a screw or hook) to polyaxially rotate at large angles about a central axis of the bone anchor before compression locking the anchoring member within an anchor head.
First claim
Opening claim text (preview).
The invention claimed is: 1. A polyaxial bone anchor for attaching a rod to a bone, comprising: an anchor head comprising a longitudinal bore having a top opening and a bottom opening, a generally U-shaped channel transverse to the longitudinal bore for receiving the rod, and a central axis extending through the top opening and the bottom opening; a bushing configured to be retained within the anchor head, the bushing defining a spherical exterior surface which is defined by a f…
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Classifications
Human Necessities · mapped topic
- A61B17/7037Primary
Human Necessities · mapped topic
Human Necessities · mapped topic
- A61B17/7049Primary
Human Necessities · mapped topic
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- What does patent US9504498B2 cover?
- A polyaxial bone anchor has a locking element shaped and configured to allow an anchoring member (e.g., a screw or hook) to polyaxially rotate at large angles about a central axis of the bone anchor before compression locking the anchoring member within an anchor head.
- Who is the assignee on this patent?
- Depuy Synthes Products Inc
- What technology area does this patent fall under?
- Primary CPC classification A61B17/7037. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Nov 29 2016 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).