An instrument guiding device featuring a base having an aperture for a catheter one or more legs disposed on the base a first plate and a second plate each extending upwardly from the base perpendicularly to each other, the second plate is pivotally attached to the base a guide component having an inner channel adapted to receive the catheter, the first end of the guide component is pivotally attached to the second plate, the guide component can be pivoted toward sides of the second plate a first scale disposed on the first plate, a second scale disposed on the second plate reference markers on the second plate and on the guide component and a temporary attachment means for holding the second plate in place with respect to the first plate and for holding the guide component in place with respect to the second plate.
