Patent ID: 7510543
Filing Date: 2009-03-31
Classification: A61M

Abstract:
1. Apparatus comprising a base having a distal portion and a proximal portion, a cannula attached to a first end of an arm, a second end of said arm hingedly connected to the distal portion of said base so that said arm is pivotable relative to said base at its second end, one opening at an upper surface of said base and an other opening at a lower surface of said base provided at the proximal portion of said base wherethrough said cannula passes, a bore defined between said one opening at the upper surface of said base and said other opening at the lower surface of said base, a first lock mechanism provided at the distal portion of said base and a second lock mechanism provided at the second end of said arm, said first and second lock mechanisms coacting to prevent further movement of said arm relative to said base after the tip of said cannula moves past said other opening at the lower surface of said base and is within said bore.