Home Healthcare Equipment Guide
This page explains a practical question about the ST-504. The product claim remains limited and source based.
Scope
The ST-504 is for healthy adults over 21. It is designed for temporary relief of minor muscle aches and pains and temporary increase in circulation to treated areas.
Practical guidance
Read the instruction for use. Start with a comfortable setting. Use the device while awake and seated.
Limits
A product page cannot diagnose a condition. Ask a qualified clinician about persistent pain, swelling, or an unusual symptom.