Page 389 - Control Theory in Biomedical Engineering

Tunable stiffness using negative Poisson's ratio 355

Fig. 39 (A) Waterbomb tube before twist showing flexibility; (B) Waterbomb tube after
twist showing rigidity.

have successfully created a method to vary the stiffness of our tubular device
that can be well approximated as a surgical stem.

8 Conclusion
MIS procedures have many benefits for patients, including lesser postsurgery
pain, shorter hospital stays, and faster recovery time. However, the lack of
flexible, miniaturized robotic devices has prevented their full-scale