Patent ID: 9561578
Date: 2017-02-07
CPC Classifications: A61F,B24C

Claim:
1. A method of surface finishing an orthopaedic implant comprising: a. fixturing a machined orthopaedic implant having a targeted surface with machine lines on a platform in a wet blasting cabinet, the wet blasting cabinet having at least one nozzle; b. rotating the platform at a speed of about 5 to about 360 revolutions per minute; c. moving the at least one nozzle and the platform relative to one another in a linear motion at a speed of 10 to 60 inches per minute; and d. applying a slurry mixture at an impaction angle to the targeted surface through the at least one nozzle at pressure of 15 to 60 pounds per square inch to effectively remove the machine lines blending the targeted surface, wherein the pressure is a combination pressure of both air pressure and slurry pressure, and wherein the at least one nozzle is located from about 0.25 inches to about 18 inches away from the targeted surface, and the at least one nozzle has a bore from about 0.25 inches to about 0.50 inches in diameter.