Glass microspheres

Details Glass microspheres Glass microspheres

1984-11-19

1988-12-06

Lechert, Jr., Stephen J.

Compositions

Radioactive compositions

As a source of radiation or heat

128654, 252625, 252629, 252644, 424 11, 424 9, 428402, 436527, 501 64, 501 68, 501152, 501153, 501154, A61N 510, C03C 3083, C03C 3095, G21G 408

Patent

active

047895012

ABSTRACT:
A radioactive microsphere for radiation therapy of a mammal comprising a biologically compatible glass material containing a beta or gamma emitting radioisotope distributed substantially uniformly throughout the glass. Advantageously, the radioisotope is produced by irradiation of the microsphere.

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patent: 4464294 (1984-08-01), Thiele
patent: 4530909 (1985-07-01), Makishima et al.
Journal of The American Ceramic Society-Makishima et al., Elastic Moduli and Refractive Indices of Aluminosilicate Glasses Containing Y.sub.2 O.sub.3, La.sub.2 O.sub.3 and TiO, May-Jun. 1978, pp. 247-249.
Journal of The American Ceramic Society-Loehman, Preparation and Properties of Yttrium-Silicon-Aluminum Oxynitride Gasses; Sep.-Oct. 1979, pp. 491-494.
Journal of Non-Crystalline Solids-Makishima et al., Alkaline Durability of High Elastic Modulus Alumino-Silicate Glasses Containing Y.sub.2 O.sub.3, La.sub.2 O.sub.3 and TiO.sub.2, 38 & 39 1980 pp. 661-666.
I. V. Grebenschikov Institute of Silicate Chemistry, Academy of Sciences, USSR-Bonder et al, Phase Equilibria In The System Y.sub.2 O.sub.3 -Al.sub.2 O.sub.3 -SiO.sub.2, Jul. 1964, pp. 1325-1326.
State Scientific-Research and Design Institute of the Rare Metals Industry-Sedykh et al., Refractive Indicies in the System Y.sub.2 O.sub.3 -SiO.sub.2 -Al.sub.2 O.sub.3 in The Vitrification Region. Translate from Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, vol. 11, No. 6, pp. 1153-1154, Jun. 1975.
Antova et al., Thermal Endurana of Glass Based on Y.sub.2 O.sub.3 -Al.sub.2 O.sub.3 -SiO.sub.2, Izv. Akad, Nauk SSSR, Neorg. Mater, 12(4): 783-784, 1976.
The American Surgeon-Nolan et al., Intravascular Particulate Radioisotope Therapy, Mar. 1969, vol. 34 No. 3 pp. 181-188.
The American Surgeon-Grady et al., Intra-Arterial Radioisotopes To Treat Cancer, Oct. 1960, vol. 26, pp. 678-684.
Int. J. Appl. Radiat. Isot-Zielinski et al., Synthesis and Quality Control Testing of .sup.32 P Labeled Ion Exchange Resin Microspheres for Radiation Therapy of Hepatic Neoplasms, vol. 34, No. 9, pp. 1343-1350, 1983.

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