Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1989-05-15
1990-11-13
Isabella, David J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 228
Patent
active
049699059
ABSTRACT:
Surgical method for facilitating bone healing using prosthetic device such as bone plates, stem-type prostheses such as femoral or humeral prostheses, or intrameduallary rods utilizing casting techniques that provide columnar or monocrystalline grain structure, with the <001> crystal direction oriented substantially parallel to the neutral axis, thereby increasing flexibility of the prosthesis and increasing loading on the bone, whereby disuse-atrophy is reduced and bone healing is facilitated; similarly, the crystal direction may be oriented to increase the stiffness of the prosthesis to resist tension.
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"Casting and Properties of Unidirectionally-Solidified Superalloys", by M. Gell, C. P. Sullivan and F. L. Ver Snyder--pp. 1-35.
"The Development of Single Crystal Superalloy Turbine Blades", by M. Gell, D. N. Duhl and A. F. Giame: Superalloys, 1980--pp. 205-214.
"Monocrystaloys--A New Concept in Gas Turbine Materials--The Properties and Characteristics of PWA 1409", by B. J. Piearcey and F. L. Ver Snyder--Feb. 2, 1966--pp. 1-28.
Buechel Frederick F.
Pappas Michael J.
Casella Anthony J.
Hespos Gerald E.
Isabella David J.
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