HYDROGEL FILAMENTS FOR BIOMEDICAL USES
First Claim
Patent Images
1. A method for preparing a device for implantation comprising:
- combining a difunctional, low molecular weight ethylenically unsaturated macromer, an ethylenically unsaturated monomer, a visualization agent, and a solvent to prepare a prepolymer solution; and
preparing a hydrogel from the prepolymer solution,wherein the device has no support members.
1 Assignment
0 Petitions
Accused Products
Abstract
Described herein are apparatus, compositions, systems and associated methods to occlude structures and malformations with radiopaque hydrogel filaments with delayed controlled rates of expansion permitting the repositioning of the device once inside the structure or malformation. Further described is a device for implantation in an animal comprising a difunctional, low molecular weight ethylenically unsaturated shapeable macromer; an ethylenically unsaturated monomer; and a radiopaque element, wherein said device contains no support members. Methods of forming such devices are also disclosed.
-
Citations
19 Claims
-
1. A method for preparing a device for implantation comprising:
-
combining a difunctional, low molecular weight ethylenically unsaturated macromer, an ethylenically unsaturated monomer, a visualization agent, and a solvent to prepare a prepolymer solution; and preparing a hydrogel from the prepolymer solution, wherein the device has no support members. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
Specification