Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Miscellaneous
Patent
1987-11-23
1990-04-17
Cannon, Alan W.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Miscellaneous
623 16, A61F 500, A61F 228
Patent
active
049177036
ABSTRACT:
An apparatus for studying tissue ingrowth in an implant under different experimental conditions, in particular in response to locally administered test substances is made of a bio-compatible material, preferably pure titanium, and is implanted in living bone tissue, primarily for animal experimental activities. The apparatus includes an outer portion with a central recess in which an inner portion is inserted. In the assembled state, the two portions form at least two bone ingrowth through channels which are exposed when the inner portion is dismounted, for comparative examination of the bone ingrowth promoting/retarding properties of test substances disposed in at least one of the channels.
REFERENCES:
patent: 3514791 (1967-07-01), Sparks
patent: 4330891 (1982-05-01), Branemark
patent: 4645504 (1987-02-01), Byers
Biomaterials and Biomechanics, 1983, pp. 238-288, Elsevier Science Publishers B.V., Amsterdam, NL; T. Albretsson et al.; "The Harvest Chamber--A Newly Developed Implant for Analysis of Bone Remodelling in Situ".
Acta Radiolagica Oncology, vol. 25, No. 1. 1986, pp. 27-62, Gothenburg, SE; M. Jacobsson et al.; "Provided Repetitive Healing of Mature Bone Tissue Following Irradiation".
Acta Oncologica, vol. 26, No. 1, 1987, pp. 63-63, Gothenburg, SE; P. Kalebo et al.: "Bone Healing Following Irradiation During Tourniquet Ischaemia".
P-I Branemark et al., "Osseointegrated Titanium Fixtures in the Treatment of Edentulousness", --Biomaterials, 1983, vol. 4, Jan.
Richard Skalak, "Biomechanical Considerations in Osseointegrated Prostheses". The Journal of Prosthetic Dentistry, Jun. 1983, vol. 49, No. 6.
Cannon Alan W.
Nobel Pharma AB.
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