Transcatheter Approach for Critical Pulmonary Stenosis or Pulmonary Atresia with Intact Ventricular Septum in Young Infants Using the Simmons Catheter

<div>(a) The Simmons catheter is advanced directly into the superior vena cava with its original appearance. (b) The catheter is withdrawn slowly and sent over the TV with an adjusted angle. (c) The catheter will flip into the RVOT automatically.</div>

Journal of Interventional Cardiology

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Figure 3: Transcatheter Approach for Critical Pulmonary Stenosis or Pulmonary Atresia with Intact Ventricular Septum in Young Infants Using the Simmons Catheter 

Figure 3 | Transcatheter Approach for Critical Pulmonary Stenosis or Pulmonary Atresia with Intact Ventricular Septum in Young Infants Using the Simmons Catheter 