Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1985-12-05
1987-01-13
Jordan, M.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 18, 228193, A61F 124
Patent
active
046362193
ABSTRACT:
A process is disclosed for fabricating a biocompatible mesh screen structure for bonding to a prosthetic substrate. The process comprises providing from four to eight layers of a mesh comprising a titanium alloy and subjecting the layered structure to a temperature below the beta-transformation temperature of the alloy and a pressure of about 1300 to 1500 psi. The heating and pressing are carried out in a furnace maintained at a temperature of about 1600.degree. to 1725.degree. F., which is evacuated to a vacuum of less than about 10.sup.-4 torr. The process of the invention provides a product retaining the strength of the alloy and having a well-characterized pore structure. Further, the layered mesh composite may be bonded to a thin substrate and readily formed into complex shapes.
REFERENCES:
patent: 4088258 (1978-05-01), Regalbuto
patent: 4570271 (1986-02-01), Sump
Journal of Biochemical Materials Research, vol. 18, pp. 497-512, (1984) by Cook et al.
Carignan Roger G.
Pratt Clyde R.
Raggio Charles M.
Woznick Chuck P.
Jordan M.
Techmedica, Inc.
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