Originally built by Ra Medical Systems, the Pharos put targeted 308 nm phototherapy within reach of everyday dermatology practices. The company moved on — the lasers didn't. Hundreds are still treating patients, and I keep them that way.
The Pharos is a xenon-chloride (XeCl) excimer laser emitting monochromatic 308 nm UVB through a fiber-delivered handpiece. It's the pragmatic choice for targeted phototherapy: fast setup, simple operation a medical assistant can run, and a small footprint that rolls between exam rooms.
Representative characteristics of the Pharos excimer laser platform for targeted UVB phototherapy.
| Parameter | Detail | Why it matters |
|---|---|---|
| Laser medium | Xenon chloride (XeCl) excimer | Monochromatic UVB — no unwanted wavelengths |
| Wavelength | 308 nm | Peak therapeutic efficacy for psoriasis & vitiligo |
| Delivery | Flexible fiber with handpiece | Reaches scalp, ears, folds — anywhere plaques hide |
| Dosing | Operator-set mJ/cm², MED-based protocols | Supra-erythemogenic dosing to lesions only |
| Treatment time | Seconds per site; minutes per visit | High patient throughput, easy scheduling |
| Operation | Delegated under physician supervision | Staff-run treatment line, physician oversight |
| Billing | CPT 96920 / 96921 / 96922 | Established, well-understood reimbursement path |
Specifications summarized for education; consult your device labeling and user manual for authoritative operating parameters.
Every refurbished system I sell goes through the same process. No mystery machines, no "as-is" surprises.
Cabinet opened, every subsystem inspected: optical train, gas handling, HV supply, cooling, interlocks, delivery fiber and handpiece.
Wear items — optics, windows, gas components, filters — replaced proactively so you start with runway, not someone else's countdown.
Output verified against calibrated external meters across the clinical dose range, then run for an extended burn-in period.
Installed at your practice, staff walked through daily operation and care, with documentation for your records — and my number on the front panel.