Osseointegratable prosthetic device and manufacturing method
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United States of America Patent
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Feb 23, 2021
Grant Date -
Feb 22, 2018
app pub date -
Aug 16, 2017
filing date -
Aug 17, 2016
priority date (Note) -
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Abstract
An osseointegratable prosthetic device suitable for implantation via a one-step surgical process includes a threaded insertion end, an externally accessible tool interface end, and an intermediately arranged scaffold portion defining recesses that permit ingrowth of skeletal tissue. Such recesses may include multiple longitudinal fins as well as transverse ribs, which may embody or be coated with porous material to promote bone ingrowth. A split flange portion includes discontinuous portions and may permit pretensioning of the device. The device may be fabricated as a unitary body structure from thermoplastic materials using techniques such as fused filament fabrication (a form of 3D printing). The osseointegratable prosthetic device enables one-step surgical implantation without requiring separately implantable fixture/sleeve and abutment portions according to conventional osseointegratable prosthetics. Methods for fabricating an osseointegratable prosthetic device are further provided.
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