05919570 is referenced by 79 patents and cites 27 patents.

Slippery, hydrophilic coating compositions of a polyurethane/urea prepolymer adduct intermediate commingled with at least one dissimilar hydrogel polymer precursor, and materials composed of a polymeric plastic or rubber substrate or a metallic substrate with a slippery hydrogel coating of a polyurethane/urea prepolymer adduct intermediate and at least one dissimilar hydrogel thereon, such that the coating composition tenaciously adheres to the substrate, are disclosed. The coating compositions and coated materials are non-toxic and biocompatible, and are ideally suited for use on medical devices, particularly, catheters, catheter balloons and stents. The coating compositions, coated materials and coated devices demonstrate low coefficients of friction in contact with body fluids, especially blood, as well as a high degree of wear permanence over prolonged use of the device. The hydrogel coatings are capable of being dried to facilitate storage of the devices to which they have been applied, and can be instantly reactivated for later use by exposure to water.

Title
Slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly(N-vinylpyrrolidone) polymer hydrogel, coated polymer and metal substrate materials, and coated medical devices
Application Number
8/382318
Publication Number
5919570
Application Date
February 1, 1995
Publication Date
July 6, 1999
Inventor
Ni Ding
Plymouth
MN, US
Michael N Helmus
St. Louis Park
MN, US
Michael R Forman
St. Paul
CA, US
David Rhum
New York
NY, US
Fritz Hostettler
Lambertville
NJ, US
Agent
Vidas Arrett & Steinkraus
Assignee
Schneider
MN, US
IPC
B32B 27/00
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