Adjustable intervertebral implant

An adjustable intervertebral implant (100) for implantation into a patient's shine in-between first and second adjacent or neighboring vertebrae. The implant may include one or more of the following features : (i) inner (110) and outer (115) members coupled by a radiographically imageable expan...

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Bibliographic Details
Main Authors EVANS DAVID E, WOODBURN WILLIAM N, PEPE TOM, MCDONOUGH WILLIAM, KEPHART DOUGLAS S
Format Patent
LanguageChinese
English
Published 03.08.2011
Subjects
BANDAGES, DRESSINGS OR ABSORBENT PADS
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PROSTHESES
TREATMENT OR PROTECTION OF EYES OR EARS
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Summary:An adjustable intervertebral implant (100) for implantation into a patient's shine in-between first and second adjacent or neighboring vertebrae. The implant may include one or more of the following features : (i) inner (110) and outer (115) members coupled by a radiographically imageable expansion ring (130), (ii) detachable endplates (120,125) coupled to the implant via a polygonal press-fit coupling interface that accommodate a range of lordotic endplates to be applied to the implant using any surgical approach, (iii) an interference pre-loaded set screw (160) for selectively locking the height of the construct, (iv) a radiographically imageable marker (180) for determining the expansion of the implant, and (v) an asymmetric thread coupling (133,190) between the expansion ring and the inner member.
Bibliography:Application Number: CN200880130955