The Texas A&m University System

Shivanand Pattanshetti

Seok Chang Ryu

Rohith Karthikeyan

Embodiments disclosed herein are directed to surgical cannulas and methods relating thereto. In some embodiments, a method includes cutting one or more lines in a tubular member to form a tubular body and a hinge of a surgical cannula. In some embodiments, a surgical cannula includes a fiber brag grating (FBG) reflector mounted to a tendon for deflecting a distal tip of the surgical cannula. A controller is coupled to the FBG reflector and is configured to determine a tension in the tendon based on reflected light from the FBG reflector. In some embodiments, a surgical cannula includes a tubular body including a plurality of apertures extending therethrough.

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College Station, TX, United States of America

Shivanand Pattanshetti