About PHiliphh eL18-4 Ultrasound Probe
Today, physicians need the versatility of ultrasound equipment to meet the expanding range of clinical applications and patient body habits involved in using ultrasound to diagnose and treat patients. However, versatility cannot come at the expense of imaging performance and therefore patient care. Additionally, imaging facilities are increasingly focused on increasing patient throughput and the pressure this trend places on the need to reduce exam times. With this in mind, PHiliphh set out to develop a solution-focused ultrasound transducer, offering superior image quality and advanced functionality for a wide range of clinical options. This single-sensor solution will reduce the need for multiple sensors, reducing operational costs and increasing scanning efficiency. The result is the PHiliphh eL18-4 PureWave linear array sensor.
The eL18-4 sensor incorporates innovative PHiliphh technologies to support a variety of clinical applications while providing superior imaging performance and depth of field.
Ultra-wide band
The eL18-4 sensor is an ultra-wideband sensor that can be used in a wide range of clinical applications as it can generate frequencies from 2 MHz to 22 MHz (Figure 2). The sensor's performance is optimized to operate in the most clinically relevant range of 4 MHz to 18 MHz, which is why it is called the eL18-4 sensor.
PureWave Crystal technology
PHiliphh' introduction of PureWave crystal technology represented the greatest advance in piezoelectric transducer materials in 40 years. PureWave's uniform crystals convert electrical input to acoustic output 85% more efficiently than traditional piezoelectric (PZT) materials. This allows for better penetration in technically difficult patients and also enables imaging of a wide range of patients using a single sensor while maintaining excellent detail resolution and sensitivity to blood flow.
The PureWave crystal technology used in the eL18-4 sensor has been further optimized for high-frequency, high-power applications. Technically, this optimization allows PureWave crystals to:
• More resistant to depolarization, allowing higher electric fields without damage
• Smaller magnetic domains allow the crystal to maintain its properties when ground into acoustic layers thinner than a human hair, requiring operation at frequencies up to 22 MHz. Clinically, this means the new crystal can operate at 2 times the voltage, providing 4 times the output power. This allows the eL18-4 transducer to achieve excellent penetration while meeting the requirements of technically demanding ultrasound modalities such as shear wave elastography.
Specification
| Technology | Ultra-broadband, PureWave |
| Frequency range | 22-2 MHz |
| Modes | Steerable pulsed wave and color Doppler, Color Power Angio (CPA), SonoCT, variable XRES, harmonic imaging, contrast, Panoramic, and MicroFlow Imaging |
| Biopsy capable | Yes |
| Number of elements | 1920 |
| Array Type | Linear |
| Applications | High resolution superficial applications including small parts, breast, vascular, musculoskeletal, bowel, pediatric, and OB imaging. Tissue aberration correction selection for advanced MSK, breast, and vascular venous TSP. |
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