Bone prosthesis
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United States of America Patent
Stats
-
Dec 30, 1997
Grant Date -
N/A
app pub date -
Oct 18, 1996
filing date -
Nov 9, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bone prosthesis having a porous or mesh type mating surface for attachment to bone and at least one continuous hollow internal chamber is disclosed. The prosthesis also includes at least one portal and at least one channel extending from each hollow chamber that allows communication between the chamber of the prosthesis and the mating surface of the device. Biomaterial for enhancing bone growth is injected in fluid form through a portal of the device into a hollow chamber, simultaneous with or after press fitting the prosthesis into the bone. Biomaterial thereby reaches bone mating surfaces through one or more channels. Bony growth at a mating surface of the prosthesis is enhanced, and union of the prosthesis with bone is thereby promoted.
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