Philips S4-1 | Phased Array Ultrasound Transducer

The Philips S4‑1 is a phased‑array sector cardiac transducer designed for high‑resolution 2D and Doppler imaging in adult and pediatric echocardiography, as well as general abdominal and FAST exams. Operating in the 1–4 MHz range, it provides deep penetration with a narrow footprint for excellent acoustic access between the ribs, making it suitable for transthoracic cardiac views, IVC assessment, and focused emergency scanning. The probe is designed for use with compatible Philips ultrasound systems and supports standard cardiac views (PLAX, PSAX, apical windows) and Doppler hemodynamic evaluation. Key Features Phased‑array sector probe, nominal frequency range 1–4 MHz Optimized for adult/pediatric cardiac, abdominal, and FAST imaging Narrow footprint for intercostal access and transthoracic echo Supports 2D, color Doppler, and spectral Doppler modes (system‑dependent) Deep penetration suitable for technically difficult cardiac and abdominal patients Compatible with selected Philips cart‑based ultrasound platforms