Article made of lactic acid polymer capable of being employed pa

Details Article made of lactic acid polymer capable of being employed pa Article made of lactic acid polymer capable of being employed pa

1988-11-07

1991-04-16

Cannon, Alan W.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Miscellaneous

623 16, 623 11, 606 77, A61F 202, A61F 228, A61B 1756

Patent

active

050079395

ABSTRACT:
Article made of lactic acid polymer capable of being employed particulaly as a biodegradable prosthesis exhibiting at 23.degree. C. a tensile regidity modulus higher than 5000 MPa and a tensile resilience higher than 500 kJ/m.sup.2 and a heat shrinkage of less than 50% at 130.degree. C.
The article is produced by forging a blank at a temperature of between 80.degree. and 170.degree. C., with a draw ratio of 200 to 1000%.

REFERENCES:
patent: 3636956 (1972-01-01), Schneider
patent: 4898186 (1990-02-01), Ikada et al.
"Biomaterials" 190, pp. 271-280.
"Orthopaedic Review" vol. X, No. 11, Nov. 1981; pp. 41-51.

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