Patent ID: 7824417

Claim:
A puncturing guide for guiding a puncturing needle into a target site within a patient's body, comprising: a base plate adapted to be positioned on the patient's body at a defined puncturing entrance point, a needle guide adapted to guide the puncturing needle during insertion, and a retainer for securing the needle guide in a fixed position relative to the base plate, wherein the base plate is connected to a first section pivotable about a first axis and a second section pivotable about a second axis and attached to the needle guide such that the first and second sections are in a slidable arrangement, wherein said first and second sections cooperate in such a way that the needle guide is movable around a point that coincides with the defined puncturing entrance point, wherein the first section and the second section have shapes of two semi-circular equally sized bows pivotally attached to the base plate at positions separated by 90° , wherein a slit is provided in each bow, wherein the needle guide is adapted to be arranged in the slits at an intersection point of the bows such that the needle guide is movable around the point that coincides with the defined puncturing entrance point, wherein the retainer has internal threads that mate with corresponding external threads on an upper part of the needle guide such that the needle guide is rotated to tighten and loosen the retainer to secure the needle guide in the fixed position.