An apparatus for sealing a puncture includes a positioning member including a proximal end, a distal end sized for insertion into a puncture, an expandable element on the distal end, and a tension indicator on the proximal end. The tension indicator includes a distal housing portion fixed relative to...http://www.google.ca/patents/US8029533?utm_source=gb-gplus-sharePatent US8029533 - Apparatus and methods for sealing a vascular puncture
