Patent ID: 9717397
Date: 2017-08-01
CPC Classifications: A61B

Claim:
1. An arthroscope system comprising: an arthroscope comprising a plurality of external ribs extending radially from and running longitudinally along the outer surface of the arthroscope, said external ribs disposed on the outer surface of the arthroscope; an external sheath having an inner surface and a central lumen, said sheath further comprising a plurality of projections extending radially and inwardly from the inner surface of the sheath; wherein the external sheath has an internal diameter closely matching the external diameter of the arthroscope whereby the inner surface of the external sheath, in conjunction with the ribs, define a plurality of fluid channels longitudinally extending within the arthroscope system; and wherein the projections fit closely on either side of one or more of the external ribs to lock the sheath in place circumferentially relative to the arthroscope.