Third World Considerations

You are developing a tool used in hip replacement surgeries. Though a disposable device is the best business model in the United States, you know that doctors in developing countries are likely to reuse the device against company recommendations. You have narrowed the choice of materials for making the device down to two choices, one that is less expensive, and a second that is slightly less expensive but will not weaken when exposed to the heat an pressure of autoclave sterilization. Which material should you choose?