Methods and apparatus of forming hydrogel systems in situ are provided using a delivery system configured to deliver two or more fluent prepolymer solutions without premature crosslinking. The delivery system comprises separate first and second lumens coupling first and second inlet ports and first and...http://www.google.fr/patents/US6689148?utm_source=gb-gplus-shareBrevet US6689148 - Methods and apparatus for intraluminal deposition of hydrogels
Methods and apparatus for intraluminal deposition of hydrogels