Alice PDX Portable Diagnostic Recorder

Overview

• Function: Home-use device for sleep studies
• Purpose: Collect data on sleep breathing disorders to help doctors determine appropriate treatments

Pre-Setup Instructions

• Allocate 5-10 minutes before bedtime for assembly
• Apply the device directly before bed
• Wear it throughout your sleep
• Wear until you get out of bed to start the day

Components

• Alice PDX device holder and lanyard (with blue chest effort belt attached)
• Abdominal belt and wire set
• Thermal airflow sensor (monitors airflow from nose/mouth)
• Nasal cannula (evaluates breathing, checks for snoring)
• SPO2 sensor (measures oxygen levels during sleep)

Assembly Steps

1. Remove the device from holster:
   • Face device toward you
   • Place thumb on lower corner of holster
   • Press down until holster snaps loose
   • To place back, snap both sides securely
2. Assemble the device:
   • Check blue chest effort belt; slide through slots if not in place
   • Place lanyard over head & around neck, adjust the length
   • Adjust chest belt: position holder in upper chest area, snap belt ends together
   • Wrap abdominal belt around stomach, connect ends near navel
   • Ensure belts aren’t too loose
   • Insert the Alice PDX device into holder, ensure tabs snap
3. Connecting Sensors:
   • Turn on power button inside device; circular icons move across screen
   • Insert abdominal belt wires into ports, blue connector into lower blue port
   • Insert chest belt wires into ports, blue connector into upper blue port
   • Apply nasal cannula: prongs in nose, wire over ears, secure under chin; attach to gray port
   • Position thermal airflow sensor: on lip/below nose, wire over ears & secure; attach to purple port
   • Attach SPO2 sensor (clip, soft, or wrap style) to index finger; secure wire with tape; connect to black port
   • If included, apply limb movement sensor to wrist; connect to yellow port

Additional Instructions

• Light Indicators:
  • Top device light: Turns yellow to green when sensors correctly attached
  • Green light turns off after few seconds
• Button Presses:
  • Before sleep: Press front button once
  • Getting up during night: Press front button again once
  • Connector becomes detached: Yellow light flashes, reconnect loose sensor
• Post-Study Instructions:
  • Morning: Press front button once upon waking
  • Record good study indicator results (number of sections filled)
  • Turn off device: Press power button for ~3 seconds
  • Remove sensors and return equipment as per provider’s instructions