Bone and bony tissue replacement

Details Bone and bony tissue replacement Bone and bony tissue replacement

1989-03-10

1990-11-13

Green, Randall L.

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

Implantable prosthesis

Bone

623 11, 623 66, 4332011, 424 81, 606 76, A61F 228

Patent

active

049699067

ABSTRACT:
A new type of implant for replacement of bone or bony tissue has been developed. The implant is formed of a hydrophilic polymer having a random distribution of single size pores throughout. This hydrophilic polymer is implanted in an uncalcified, or partially calcified, state and is allowed to calcify in place, throughout its entire body, through the random pores. The hydrophilic material can be made from materials such as hydrophilic acrylates and hydrophilic methacrylates.

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patent: 4728570 (1988-03-01), Ashman et al.
CRC Handbook of Chemistry and Physics, Weast (editor), 64th Ed., (1983), p. F-114.
"Effect of the Structure of Poly(Glycol Monomethacrylate) Gel on the Calcification of Implants", L. Sprincl et al., Calc. Tiss. Res. 13, 63-72 (1973).
"Biological Tolerance of Ionogenic Hydrophilic Gels", L. Sprincl et al., J. Biomed. Mater. Res. 7, 123-136 (1973).
"Poly--HEMA Sponge: A Biocompatible Calcification Implant", J. H. Kronman et al., Biomat., Med. Dev., Art. Org., 7(2), 299-305 (1979).
"Prevention of Alveolar Bone Loss Postextraction with HTR Grafting Material", A. Ashman et al., Oral Surgery, Oral Medicine, Oral Pathology, 60(2), 146-153 (1985).
Summary and description Hard Tissue Replacement (HTR) Medical Biological Sciences, Inc.
"HTR (Hard Tissue Replacement) for Edentulous Ridge Augmentation", A. Ashman et al., material from Medical Biological Sciences, Inc.).

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