in situ polymerizing hydrogel-based medical devices, namely, post surgical adhesion prevention barriers and sealant preparations for tissue sealing and space filling; in situ polymerizing hydrogel-based medical services used in the treatment of aneurisms; liquid embolics for use in endovascular surgical procedures; preformed patches and sheets sold with medication for medical use

in situ polymerizing hydrogel-based drug delivery systems comprised of synthetic polymers for tissue sealing and local drug delivery; compositions for medical use, namely, synthetic, biocompatible, hydrogel precursors, biocompatible crosslinked polymers for use in surgical procedures; resorbable and nonresorbable protectors for use in surgical procedures; sealing and space filling drug delivery systems comprised of synthetic polymers and delivery catheters for tissue sealing and local drug delivery; drug delivery systems, namely, air assisted sprayers and non-air assisted sprayers, multi-lumen catheters and single lumen catheters and preformed patches and sheets sold without medication for medical use