Expandable intervertebral implant

US8936641B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8936641-B2
Application numberUS-93646609-A
CountryUS
Kind codeB2
Filing dateApr 3, 2009
Priority dateApr 5, 2008
Publication dateJan 20, 2015
Grant dateJan 20, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An expandable intervertebral implant ( 20 ) is provided for insertion into an intervertebral space defined by adjacent vertebrae. The expandable intervertebral implant includes a pair of outer sleeve portions ( 30 A, 30 B) and an inner core ( 50 ) disposed between the outer sleeve portions. Movement of the inner core relative to the outer sleeve portions causes the outers sleeve portions to deflect away from each other, thereby engaging the expandable intervertebral implant with the vertebrae and adjusting the height of the intervertebral space.

First claim

Opening claim text (preview).

What is claimed: 1. An expandable intervertebral implant insertable into an intervertebral disc space and expandable from an initial position to an expanded position, the expandable intervertebral implant comprising: a linkage defining an insertion end and an opposed proximal end spaced from the insertion end along a longitudinal direction, the linkage including a plurality of links connected together along the longitudinal direction, each link comprising: an outer sleeve defini…

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What does patent US8936641B2 cover?
An expandable intervertebral implant ( 20 ) is provided for insertion into an intervertebral space defined by adjacent vertebrae. The expandable intervertebral implant includes a pair of outer sleeve portions ( 30 A, 30 B) and an inner core ( 50 ) disposed between the outer sleeve portions. Movement of the inner core relative to the outer sleeve portions causes the outers sleeve portions to de…
Who is the assignee on this patent?
Cain Christopher Marden John, Depuy Synthes Products Llc
What technology area does this patent fall under?
Primary CPC classification A61F2/447. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Jan 20 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).