U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method and apparatus for manufacturing a prosthesis having optimized response characteristics

Patent 5796617 Issued on August 18, 1998. Estimated Expiration Date: Icon_subject January 2, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Braiders
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Method of designing and manufacturing a human joint prosthesis
Patent #: 4936862
Issued on: 06/26/1990
Inventor: Walker, et al.

Three dimensional woven fabrics of pitch-derived carbon fibers
Patent #: 4975262
Issued on: 12/04/1990
Inventor: Suto, et al.

Assembly data model system
Patent #: 5023800
Issued on: 06/11/1991
Inventor: Carver, et al.

Method and apparatus for solids based machining
Patent #: 5351196
Issued on: 09/27/1994
Inventor: Sowar, et al.

Method of preparing an otoplasty or adaptive earpiece individually matched to the shape of an auditory canal
Patent #: 5487012
Issued on: 01/23/1996
Inventor: Topholm, et al.

Method and apparatus for manufacturing objects having optimized response characteristics Patent #: 5594651
Issued on: 01/14/1997
Inventor: St. Ville

Inventor

Application

No. 778270 filed on 01/02/1997

US Classes:

700/983-D product design (e.g., solid modeling)

Examiners

Primary: Ruggiero, Joseph

Attorney, Agent or Firm

International Classes

G06F 019/00
G06F 017/50

Abstract

A method for manufacturing an object having a potential {x} which is generated in response to a field {f} applied thereto is provided. The method includes the step of designing a geometric model of the object. A computerized mathematical model of the object is generated by discretizing the geometric model of the object into a plurality of finite elements and defining nodes at boundaries of the elements, wherein values of the field {f} and potential {x} are specified at the nodes. A material property matrix ›k! is then calculated based on the relationship {q}=›k! {x}. Material property coefficients are then extracted from the material property matrix ›k! for each finite element in the computerized mathematical model and the extracted material property coefficients are compared to material property coefficients for known materials to match the extracted material property coefficients to the material property coefficients for known materials. Manufacturing parameters corresponding to the matched material property coefficients are then determined. The object is then manufactured in accordance with the determined manufacturing parameters.

Other References

  • St. Ville et al - "The Anatomy of Midthigh Pain After Total Hip Arthroplasty", Johns Hopkins APL Technical Digest, Apr.-Jun. 1991, vol. 12, No. 2, pp. 198-21
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