Patent ID: 11931482
Assignee: RHODE ISLAND HOSPITAL
Field: Medical technology (Instruments)
Classification: CPC A  C | IPC A  C

Claim 7:
8. A device, covered by an antibacterial coating wherein:
(a) the antibacterial coating consists of a dried, homogenous solution of auranofin dissolved in polyurethane; and
(b) wherein a portion of the auranofin is hydrogen bonded with the polyurethane;
wherein the antibacterial coating is operative to provide a larger burst rate of release of auranofin into an aqueous environment in the first 24 hours of contact with said environment, followed by a slower and extended rate of release after the first 24 hours;
wherein the antibacterial coating is operative to stretch up to about 500% elongation without breaking; and
wherein the antibacterial coating with the homogenously dissolved auranofin is made to cover the device by a dip-coating process including the steps of dipping the device in a homogeneous polyurethane-auranofin-solvent solution and evaporating the solvent, to deposit the antibacterial coating consisting of a dried, homogenous solution of auranofin dissolved in polyurethane.