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UNITARY SPINAL DISC IMPLANT
专利权人:
Brian D. Burkinshaw;Jonathan Stupka
发明人:
Brian D. Burkinshaw,Jonathan Stupka
申请号:
US16532401
公开号:
US20190358053A1
申请日:
2019.08.05
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A unitary intervertebral device, having no moving components is provided for non-fusion articulation and fusion applications. The interbody articulating device allows for limited flexion and rotation between the implant and an adjacent vertebrae, helping to preserve or restore near-normal motion between adjacent vertebrae. Rotational motion is achieved through one or more protrusions incorporated into the spinal interbody device. In one articulating form, a first protrusion extends perpendicularly from one bearing surface of the interbody device to form a rotational protrusion, while at least a second protrusion extends from the opposite bearing surface of the interbody device to form a non-rotational protrusion. In another form, a single protrusion extends axially from one bearing surface of the interbody device to form a spike or anchoring, rotating protrusion, while the opposite bearing surface may be slightly rounded and/or comprising a bone-ingrowth promoting surface. Similarly configured fusion salvage devices are also described.
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