Electroducer: a device to secure and optimize TransHeart Valve (THV) & Percutaneous Coronary Interventions (PCI), a rapid Pacing using Left Ventricular Guidewire. Mechanical Device for simplified cardiac procedures: - Patents pending - Class II device Provides Temporary Pacing without Pace Maker: - During THV (TAVI, TMVR, TTVR) - During complex PCI (Rotablator, STEMI) Plug on usual interventions devices: - Usual introducers