Patent ID: 9364273
Filing Date: 2016-06-14
CPC Classification: A61B,A61M

Claim Text:
1. A drug eluting surgical screw comprising a shaft having a threaded portion; a head having a drive recess disposed at a proximal end of the shaft, the drive recess having a reservoir region and a driver engagement region; and a drug eluting film disposed within the reservoir region of the drive recess in a manner that does not substantially impair a connection between a driver and the surgical screw when the driver is operably disposed within the driver engagement region, wherein the drug eluting film comprises a mixture of a carrier matrix and a therapeutic agent, the therapeutic agent being at least 20 wt. % of the drug eluting film, prior to any implantation of the drug eluting surgical screw; and, wherein the drug eluting film includes a concentration gradient of the therapeutic agent within the film from a direction at a surface of the film through the depth of the film.