Intravascularly-administrable, magnetically-localizable biodegra

Details Intravascularly-administrable, magnetically-localizable biodegra Intravascularly-administrable, magnetically-localizable biodegra

1979-04-23

1981-01-27

Edmundson, F. C.

Compositions

Magnetic

With wax, bitumen, resin, or gum

252 6254, 424 1, 424 36, A61K 950, A61K 938, G01N 3316, A61K 4300

Patent

active

042474060

ABSTRACT:
The intravascularly-administrable, magnetically localizable biodegradable carrier comprises microspheres formed from an amino acid polymer matrix with magnetic particles embedded therein. The microspheres can be used for intraarterial administration and capillary level localization and/or release of therapeutic and diagnostic agents, thereby obtaining much more precise targeting of the agents than has heretofore been possible.

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