32 to allow the pressure tube 22 and the catheter 24 to be purged with a saline solution line restrictors 31 positioned on the saline tube 30 and the pressure tube 22 may be used to assist in the purging process the pressure transducer 18 is electrically coupled to a monitoring device 26 configured to process signals received from the pressure transducer 18 and to generate a visual image of the blood pressure level if desired still referring to fig1 the transducer support 12 further includes an illuminator 34 capable of projecting a light beam 36 outwardly from the transducer support 12 and towards the patient 20 in one particular embodiment the transducer support 12 includes an illuminator 34 that projects a linear beam 36 towards the patient 15 that may further be rotated about an axis r so that the beam 36 may be swept through an angle a in another particular embodiment the transducer support 12 includes an illuminator 34 that may include beam forming optics so that a line 38 or an image 39 may be projected onto the patient 15 the foregoing embodiments will be described in greater detail below fig2 is a partial cutaway view of the transducer support 12 of fig1 showing an illuminator 40 according to another embodiment of the invention the illuminator 40 includes.