Method of fabricating graphite for use as a skeletal prosthesis

Details Method of fabricating graphite for use as a skeletal prosthesis Method of fabricating graphite for use as a skeletal prosthesis

1973-06-05

1978-01-24

Thurlow, Jeffery R.

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Circular sheet or circular blank

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3 19, 156197, 156296, 264 291, 264 295, 264 44, 264317, 428131, 428408, A61F 100

Patent

active

040705145

ABSTRACT:
A method for producing porous graphite for use as bone replacement with a structure for osteon penetration. Graphite is produced with ordered circular pores of 100 to 1000 microns in diameter covering at least 25% of the exposed surfaces. A cylindrical fiber is coated with a carbon flour-pitch mix and is then wound on a bobbin in a predetermined manner. The product of winding is dried, pressed, carbonized, and then graphitized. The fibers are removed either chemically or by volatilization during carbonization or graphitization.

REFERENCES:
patent: 3367812 (1968-02-01), Watts
patent: 3533753 (1970-10-01), Berger
patent: 3539667 (1970-11-01), Nameishi
patent: 3552533 (1971-01-01), Nitz et al.
patent: 3825460 (1974-07-01), Yoshikawa et al.

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