I-Catheter Eqondisayo ngokuvamile isetshenziselwa ukuhlinzwa kokungenelela kwenhliziyo (njengokungenelela kwe-coronary artery, ukungenelela kwe-peripheral vascular intervention, njll.). Umsebenzi wayo oyinhloko ukuhlinzeka ngendlela ezinzile yamathuluzi alandelayo (njengama-catheter ebhaluni, ama-stents) nokuqinisekisa ukuthi amathuluzi okuhlinza angafinyelela ngokushelela endaweni yezilonda.