https://ciis.lcsr.jhu.edu/ 2026-06-04T13:52:52+00:00 https://ciis.lcsr.jhu.edu/ https://ciis.lcsr.jhu.edu/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2019-08-07T16:01:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://ciis.lcsr.jhu.edu/doku.php?id=courses:446:2012:446-2012-06:project06&rev=1565193693&do=diff Polaris Accuracy and Precision Analysis and RCM Stability Quantification Last updated: 1:10PM 5/7/2012 Summary The Revolving Needle Driver (RND) is a needle driver which can be attached to the end of an AcuBot, a Remote Center of Motion (RCM) module with five stages: Bridge-mount > Linear pre-positioning stage (XYZ) > Support Arm > RCM > RND. The RND excels at orienting, inserting and spinning a needle; it is also capable of measuring force.