Evaluation: Philips Healthcare Lumify L12-4 Wired Handheld Ultrasound Probe

August 13, 2020 | Evaluations & Guidance


  • The primary purpose of the Lumify L12-4 probe is to obtain ultrasound data to aid diagnoses, though the probe also may be used to provide ultrasound guidance during interventional procedures, such as therapeutic injections and fluid drainages. The probe communicates via a cable with the user's (or facility's) personal electronic device (PED) such as a smartphone or tablet computer. When the PED is equipped with a proprietary software application, it can be used to display the image and serve as the user interface.
  • The L12-4 probe is indicated for abdominal, pediatric, small organ (breast, prostate, thyroid, scrotum), conventional musculoskeletal, superficial musculoskeletal, peripheral vessel, and carotid applications. The device has presets for lung, musculoskeletal, soft tissue, superficial, and vascular exams.
  • Features of the Lumify L12-4 probe:
    • Dimensions (L × W × D): 11.4 × 4.5 × 3 cm (4.5 × 1.8 × 1.2 in); weight: 108 g (3.8 oz)
    • The probe supports the following modes:
      • Conventional B-mode
      • Tissue harmonic B-mode
      • M-mode
      • Combined B-mode/M-mode
      • Color Doppler imaging (CDI)
      • Philips Xres adaptive image processing
      • Philips SonoCT real-time compound imaging
    • In addition, the probe has:
      • An image-orientation indicator on one end of the probe, with a corresponding orientation indicator on one side of the image
      • A USB-C port to connect a user-replaceable cable to the PED. Cables are available with a USB-C connector on each end, or with a USB-C on one end and a USB Micro-B connector on the other for compatibility with various PED models.
  • Features of the Lumify software application:
    • The user installs the app on a PED, which can then be used to display acquired data and serve as the user interface.
    • The app is compatible with Android 5.0 and above.
    • The app allows users to:
      • Enter patient data manually or by using a bar-code reader using the PED camera
      • Select exam preset
      • Freeze/unfreeze the image
      • Choose B-mode or B/M-mode
      • Activate CDI to assess "fast" or "slow" blood flow
      • Adjust B-mode gain and time-gain compensation (TGC) to optimize B-mode image quality
      • Select image depth to optimize image quality
      • Magnify (zoom) the image to optimize image visualization
      • Annotate images
      • Perform measurements of structures on the image.

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