The Philips 21311A is a phased array ultrasound transducer commonly known as the S3 probe, designed to provide high-performance imaging for adult cardiac, contrast-enhanced, harmonic, abdominal, and transcranial Doppler (TCD) applications. Operating primarily in the 1.5 to 3.0 MHz frequency range, it offers exceptional penetration and image quality essential for challenging patient anatomies. The transducer supports advanced imaging modes including 2D, Doppler, and harmonic imaging to aid in detailed diagnostic evaluation of cardiac and abdominal structures.

Key Features

• Phased array transducer optimized for cardiac and abdominal applications
• Operating frequency range: 1.5 to 3.0 MHz
• Supports contrast and harmonic imaging for enhanced image clarity
• Suitable for transcranial Doppler (TCD) studies
• Small footprint and ergonomic design for ease of use and patient comfort
• Compatible with Philips ultrasound systems like Sonos 4500 and 5500 series
• Facilitates detailed imaging of heart, abdomen, and vascular structures