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US 9,546,236 B2Granted
Polymer particles
AssigneeTerumo Kabushiki Kaisha
InventorsGregory M. Cruise, Gloria Hincapie, Clayton Harris
Life of this patent
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Abstract
Biodegradable, cross-linked polymer particle embolics and methods of making the same are described. The particle embolics can be used as embolization agents.
Claims27
A polymer particle comprising:
- at least one monomer including at least one functional group;
- and
- at least one crosslinker;
- wherein the polymer particle has a diameter between about 40 μm and about 1,200 μm and is susceptible to degradation through hydrolysis or enzymatic action.
1 more element
A method of making a polymer particle comprising:
- reacting a prepolymer solution including at least one monomer including at least one functional group, at least one crosslinker susceptible to degradation through hydrolysis or enzymatic action, and an initiator in an oil;
- and
- forming the polymer particle, wherein the polymer particle has a diameter between about 40 μm and about 1,200 μm.
Dependencies are inferred from the claim text.