Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Forming articles by uniting randomly associated particles
Patent
1999-07-29
2000-11-07
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Forming articles by uniting randomly associated particles
264126, 264320, 264461, 264462, 264463, B29B 1308, B29C 4302
Patent
active
061432326
ABSTRACT:
A method of manufacturing an articulating bearing surface for use in an orthopaedic implant uses a supply of ultra-high molecular weight polyethylene particles which are irradiated with sufficient radiation energy to crosslink at least a portion of the ultra-high molecular weight polyethylene. The irradiated particles are then formed into an orthopaedic bearing surface.
REFERENCES:
patent: 3297641 (1967-01-01), Werber et al.
patent: 3352818 (1967-11-01), Meyer et al.
patent: 3758273 (1973-09-01), Johnston et al.
patent: 5037928 (1991-08-01), Li et al.
patent: 5160464 (1992-11-01), Ward et al.
patent: 5414049 (1995-05-01), Sun et al.
patent: 5449745 (1995-09-01), Sun et al.
patent: 5466530 (1995-11-01), England et al.
patent: 5543471 (1996-08-01), Sun et al.
patent: 5879400 (1999-03-01), Merrill et al.
Super Low Wear Cross-Linked UHMWPE by Heavy High-Dose Gamma Radiation Oonishi, H., Kuno, M., Idada, Y., Fujisawa, A., and Masuda, S. 1996 WPOA 2.sup.nd Congress of Hip Section.
Journal of Polymer Science, Part B, Polymer Letters, Turner D. T. vol. 1, No., Feb. 1963, pp. 101-103.
The Improvement of Polyethylene Prostheses Through Radiation Crosslinking T.A. du Plessis, C. J. Grobbelaar, and F. Marais Radiat. Phys. Chem. 1977, vol. 9, pp. 647-652.
The Friction and Wear Behavior of Irradiated Very High Lecular Weight Polyethylene C. Shen and J.H. Dumbleton Wear, (1974) pp. 349-364.
Crystalline and Supermolecular Structures in Linear Polyethylene Irradiated with Fast Electrons G. Gielenz and B. J. Jungnickel Colloid & Polymer Science 260, pp. 742-753 (1982).
Improved Mechanical Behaviour in Ultra-High Modulus Polyethylenes by Controlled Cross-Linking D. W. Woods, W. K. Busfield and I.M. Ward Plastics and Rubber Processing and Applications 5 (1985) pp. 157-164.
Irradiation of Ultrahigh-Molecular-Weight Polyethylene A. Shinde and R. Salovey Journal of Polymer Science: Polymer Physics Edition, vol. 23, 1681-1689 (1985).
Ionizing Irradiation for Sterilization and Modification of High Molecular Weight Polyethylenes Robert M. Streicher Plastics and Rubber Processing and Applications vol. 10, No. 4, 1988.
Influence of Ionizing Irradiation in Air and Nitrogen for Sterilization of Surgical Grade Polyethylene for Implants R. M. Streicher Radiat. Phys. Chem, vol. 31, Nos. 4-6, pp. 693-698, 1988.
Improvement of Polyethylene by Irradiation in Artificial Joints H. Oonishi, Y. Takayama, and E. Tsuri Radiat. Phys. Chem. vol. 39, No. 6, pp. 495-504, 1992.
The Radiation Chemistry of Polyethylene. IX. Temperature Coefficient of Cross-Linking and Other Effects H. Y. Kang, O. Saito, and M. Dole Journal of the American Chemical Society, 89:9, Apr. 26, 1967.
The Radiation Improvement of Polyethylene Prostheses, A Preliminary Study C. J. Grobbelaar, T. A. Du Plessis, F. Marais The Journal of Bone and Joint Surgery 60-B, No. 3, Aug. 1978, pp. 370-374.
The Effects of Radiation Sterilization on the Properties of Ultrahigh Molecular Weight Polyethylene H. J. Nusbaum and R. M. Rose Journal of Biomedical Materials Research, vol. 13, pp. 557-576 (1979).
Radiation Sterilization and the Wear Rate of Polyethylene R. M. Rose, E. V. Goldfarb, E. Ellis, and A. N. Crugnola Journal of Orthopaedic Research, pp. 393-400, 1984 Orthopaedic Research Society.
Cross-Linking of Ultra-High Molecular Weight Polyethylene in the melt by means of Electron Beam Irradiation D. J. Dijkstra, W. Hoogsteen, and A. J. Pennings Polymer, 1989, vol. 30, May.
Effect of .gamma. Irradiation on the Friction and Wear of Ultrahigh Molecular Weight Polyethylene William R. Jones, Jr., and William F. Hady, Wear, 70 (1981) 77-92.
Bristol-Meyers Squibb Company
Reeves Carl R.
Tentoni Leo B.
LandOfFree
Method of manufacturing an articulating bearing surface for an o does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of manufacturing an articulating bearing surface for an o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of manufacturing an articulating bearing surface for an o will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1637729