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US 4,740,534 AGranted
Surgical adhesive
AssigneeSanyo Chemical Industries, Ltd.
InventorsTakehisa Matsuda, Hiroo Iwata, Tetsuo Itoh
Life of this patent
Estimating the term…
Abstract
Elastomeric or flexible surgical adhesives, comprising [A] NCO-terminated hydrophilic urethane prepolymer derived from hydrophilic polyether polyol of higher oxyethylene content, or combination of [A] with [B] unsaturated cyano compound containing cyano group attached to a carbon atom constituting the polymerizable double bond, are used for bonding of tissues, with rapid cure rate and sufficient bonding power.
Claims15
A surgical adhesive, which comprises:
- (A) at least one NCO-terminated hydrophilic urethane prepolymer, derived from at least one organic polyisocyanate and a polyol component comprising at least one hydrophilic polyether polyol having an oxyethylene content of at least 30%;
- and
- (B) at least one unsaturated cyano compound containing a cyano group attached to a carbon atom constituting the polymerizable double bond.
Dependencies are inferred from the claim text.