Compositions and methods using microspheres and non-ionic contrast agents

Compositions and methods using microspheres and non-ionic contrast agents

  • CN 101,237,857 A
  • Filed: 05/09/2006
  • Published: 08/06/2008
  • Est. Priority Date: 05/09/2005
  • Status: Active Application
First Claim
Patent Images

1. one kind is fit to the active suberification and/or passs the spheric microsphere of being essentially of medicine, and this microsphere comprises:

  • Non-ionic contrast agent,At least a medicine andBut biocompatible polymeric material, this polymeric material comprise polyvinyl alcohol, acrylate copolymer or copolymer, acrylamide polymer or copolymer, acrylamide polymer or copolymer or acrylate polymer or copolymer,Wherein this microsphere is expandable in pharmaceutically acceptable solution, and the diameter before expanding is that about 10 μ

    m are to about 2000 μ

    m.

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