I’ve practiced the most, if not all of the 9 design controls covered in this week’s lecture in both school and work. For my undergrad senior capstone class we had to practice design controls over the span of two semesters. Our project was to construct a rat sociability chamber with programmed software capabilities. We wrote a MATLAB program to determine sociability in TBI rats based on (x,y) position and time stamps extracted from a position tracking software. Throughout the course of this project, we went through design controls but rather than creating a DHF for step 9, we documented all our results into a final report since this was a one time project that not being continued after the class ended. At work, I have seen projects go through all 9 phases of design control until completion and some not until completion due to an impediment in the project cycle. Following these 9 steps are very important to successfully bring a product out to market. I think other fields also utilize very similar procedures in their projects. I think the med device design controls are quite broad that it can be applied outside of this particular industry.