Ra Medical Systems, Inc. Pharos Excimer Laser, Model: EX-308 - Product Usage: The Pharos EX-308 Excimer Laser System is designed to treat the skin disorders psoriasis, vitiligo, atopic dermatitis, and leukoderma using phototherapy. The excimer laser system produces collimated 308 nm radiation, within the invisible region of the electromagnetic spectrum. The UV radiation falls within the range of ultraviolet B (UVB), which is used to treat photo-responsive skin disorders. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Pharos Excimer Laser, Model: EX-308 - Product Usage: The Pharos EX-308 Excimer Laser System is designed to treat the skin disorders psoriasis, vitiligo, atopic dermatitis, and leukoderma using phototherapy. The excimer laser system produces collimated 308 nm radiation, within the invisible region of the electromagnetic spectrum. The UV radiation falls within the range of ultraviolet B (UVB), which is used to treat photo-responsive skin disorders.
Brand
Ra Medical Systems, Inc.
Lot Codes / Batch Numbers
All serial numbers.
Products Sold
All serial numbers.
Ra Medical Systems, Inc. is recalling Pharos Excimer Laser, Model: EX-308 - Product Usage: The Pharos EX-308 Excimer Laser System is desig due to At doses of less than 100 mJ, in custom and auto repeat modes, a software error in the excimer laser phototherapy system causes the device to fail to . Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
At doses of less than 100 mJ, in custom and auto repeat modes, a software error in the excimer laser phototherapy system causes the device to fail to cease firing as long as the foot pedal or handpiece switch is depressed. This malfunction can cause overtreatment, which could result in strong erythema, and possibly cause blisters.
Recommended Action
Per FDA guidance
On 08/23/2019, Medical Device Correction was mailed to customers. Customers were informed that the recalling firm's service department would contact them to replace the software. Unitl the software is replaced, do not use doses less than 100 mJ. During service visits customers were informed that software was updated to 1.06 ZRPL
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026