Patent ID: 9131954
Filing Date: 2015-09-15
Classification: A61B

Abstract:
1. A safety lancet comprising: an outer case having an inner case slidingly moving in the first hollow inner chamber of the outer case and having a sliding block slidingly moving in the second hollow inner chamber of the inner case and having a guide rod disposed in the rear end of of the sliding block and slidingly inserted into the guide hole of the outer case; and a coil spring surrounding the guide rod of the sliding block, wherein as the inner case is moved rearward along the first hollow inner chamber of the outer case and the pair of loading hooks of the sliding block are inserted into the loading release guide recesses, the pair of loading hooks of the sliding block is disengaged from the engagement protrusions of the inner case and the sliding block is moved forward by elastic force of the coil spring to temporarily expose the lancet needle out of the inner case, and is then moved rearward to the inner case by resilient force of the coil spring.