Prosthetic body for bone substitute and a method for the prepara

Details Prosthetic body for bone substitute and a method for the prepara Prosthetic body for bone substitute and a method for the prepara

1987-06-18

1989-07-11

Apley, Richard J.

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

Implantable prosthesis

Bone

623 66, 501 83, 501 81, 501 82, A61F 228, C04B 3806

Patent

active

048468380

ABSTRACT:
The inventive prosthetic body for bone substitute is a sintered body of hydroxyapatite and characterized by the open pore structure with a pore diameter in a specified range forming a porosity of 20 to 40% and a bending strength of at least 100 kg/cm.sup.2. The sintered body can be prepared by blending powders of hydroxyapatite and a thermally decomposable substance, e.g. crystalline cellulose, each having a specified particle size distribution, in a specified proportion and shaping and sintering the powder blend.

REFERENCES:
patent: 3345160 (1967-10-01), Miccioli et al.
patent: 4073999 (1978-02-01), Bryan et al.
patent: 4180411 (1979-12-01), Whitman et al.
patent: 4195366 (1980-04-01), Jarcho et al.
patent: 4371484 (1983-02-01), Inakai et al.
patent: 4467043 (1984-08-01), Kriegesmann et al.

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