Patent ID: 7691066
Filing Date: 2010-04-06
Classification: A61B

Abstract:
1. A paracentesis needle holder attachable to an ultrasonic probe, the holder comprising: a needle guide, including a pivotable first base and a non-pivotable second base, configured to guide a needle in a plurality of directions between the first and second bases; an adjustment mechanism provided at the needle guide and configured to adjust spacing between the first base and the second base in accordance with a diameter of the needle; an open/close mechanism coupled with the needle guide and configured to close the first and second bases by pivoting the pivotable first base so that the needle is guided in one of the directions and to open the first and second bases so that the needle becomes releasable from the holder; said pivotable first base has a surface including gutters corresponding to the plurality of directions; said pivotable first base is pivotably moveable from said non-pivotable second base by a hinge; said adjustment mechanism being coupled to said pivotable first base member; and, said adjustment mechanism extending in a direction perpendicular to a surface of said pivotable first member that is opposite to the surface containing said gutters.