Lenify is a collapsible emergency stretcher that can eliminate the chance to occur secondary injury by lifting up the patients onto the stretcher. The smart handle structure inside is able to extend and lock at the same time. This unique structure makes this emergency device feasible to protect patients more. The biggest value for this stretcher must be the thoughtfulness of protecting the injured people. As a medical product, to protect and help people should be the first priority. With its high protecting and convenient traits, we can potentially reduce more stretcher-related adverse events.