Patent ID: 9585757
Date: 2017-03-07
CPC Classifications: A61F

Claim:
1. A prosthetic joint, comprising: a first joint component and a second joint component, the first joint component positioned in relation to the second joint component such that it is separated from the second joint component by a gap throughout a range of motion of the first joint component in relation to the second joint component, wherein the gap has a thickness that varies according to position within the range of motion of the first joint component in relation to the second joint component, wherein the first joint component comprises a first surface opposing the second joint component, the first surface having a first texture comprising solid features configured to stably contain a biological fluid or a synthetic biological fluid therebetween or therewithin for a non-zero residence time, wherein the first texture comprises micro- and nano-features, configured to encapsulate the biological fluid or the synthetic biological fluid for the residence time, wherein the micro-features have an average length of between 1-10 microns, and wherein the nano-features have an average length of between 10-500 nanometers.