Sedation, Analgesia & Neuro Monitoring

Algiscan

AlgiScan transforms the pupillary dilation reflex into an objective numerical assessment of nociception, supporting individualized analgesia when patients cannot reliably communicate pain

Pain assessment becomes difficult when sedation, anesthesia or critical illness prevents patients from self-reporting. AlgiScan applies controlled ascending tetanic stimulation and measures the resulting pupillary dilation reflex. It calculates the Pupillary Pain Index from 1 to 9, providing a standardized bedside indicator of the nociceptive response. This additional information helps clinicians assess the nociception-analgesia balance and adjust analgesic management to the individual patient

  • Objective nociception assessment – Quantifies pupillary response as a direct marker of nociceptive stimulation.
  • Analgesia titration – Supports dosing decisions based on measured response, not indirect signs.
  • PPI score interpretation – Standardized, reproducible index.
  • Predictive value – Anticipates response to nociceptive stimuli before clinical manifestation.
  • Individualized analgesia – Enables patient-specific adjustment and avoidance of under-/overdosing.
  • Applicability under sedation – Remains valid in unconscious or deeply sedated patients.
  • Portable, non-invasive bedside device for ICU, OR, and recovery.
  • Rapid, automated assessment based on controlled stimulation.
  • No calibration required.
  • Standardized, operator-independent protocol.
  • Stored measurements support follow-up and comparison.
  • Compatible across anaesthesia techniques.

Used for objective assessment of nociception in sedated or mechanically ventilated patients who cannot self-report pain, in ICU and OR. Enables titration of analgesia based on the Pupillary Pain Index rather than indirect autonomic signs.

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