Apparatus and method for guiding of needles for subcutaneous injection syringes and limit of its access to a septum a in a human implantable device for medical treatment

摘要

A conical recess for guiding a subcutaneous injection needle to a desired location with an opening in the center for limiting the maximum needle diameter, which, for the penetration to the point can be used. The diameter of the opening prevents access by means of needles having a diameter which exceeds the diameter of the opening. The conical recess has a smooth surface, and an angle, so that the needles, the unaligned with respect to the opening into the conical recess is to be inserted, are conducted to the opening, without the tip of the subcutaneous injection needle is damaged.