Patent ID: 7972265
Filing Date: 2011-07-05
Classification: A61B

Abstract:
1. A surgical apparatus, comprising: a cannula having a proximal end, a distal end, and a lumen extending between the proximal and distal ends; a surgical tool moveably coupled to the cannula, wherein the surgical tool includes a cutting instrument; and a retractor slidably coupled to the cannula, the retractor having a support housed within the lumen and a rigid cradle coupled to a distal end of the support; wherein the support is configured for displacing the rigid cradle laterally away from a central axis of the cannula in response to a translation of the retractor relative to the cannula; and wherein the cradle is configured to engage a target vessel, and the cutting instrument is configured to sever a branch vessel of the target vessel while the cradle is engaged with the target vessel; wherein the support includes two arms that are spaced apart from each other.