Use cautionMedical device recall · FDA · Published July 16, 2020
uEXPL: PET/CT Scanner May Cause Image Artifacts Due to Signal Drift
Shanghai United Imaging Healthcare recalls uEXPLORER PET/CT scanners that may cause image artifacts and scanning interruptions due to signal drift. Affected units have serial numbers starting with F00002.
1) 1) Potential intermittent issue may cause image data problems, may lead to artifacts; 2) Potential intermittent scout scanning interruption due to angle signal drift caused by external interference; 3) Metal edge overlap of mylar strip in gantry may create sharp edge. May lead to repeat scanning and abrasions.
Take action
Contact the company
📍Recalling firmShanghai United Imaging Healthcare Co., Ltd.No. 2258 Chengbei Rd, Jiading Ind. · Shanghai, China
✎ GovInfoNow plain-language explainer
Shanghai United Imaging Healthcare is recalling uEXPLORER PET/CT scanners that may cause image artifacts and scanning interruptions. This could lead to repeat scans and potential skin abrasions from sharp edges in the scanner's metal components. Read more at govinfonow.com/recall/64699-uexpl-pet-ct-scanner-may-cause-image-artifacts-due-to.
“uEXPL: PET/CT Scanner May Cause Image Artifacts Due to Signal Drift.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/64699-uexpl-pet-ct-scanner-may-cause-image-artifacts-due-to. Based on FDA recall #Z-2799-2020 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-2799-2020%22&limit=1).
Shanghai United Imaging Healthcare Co., Ltd. recalled one uEXPLORER PET/CT Diagnostic Imaging System on July 16, 2020, according to the FDA. The device may cause image data problems or sharp edges that could lead to abrasions.
How to tell if you have it
uEXPLORER PET/CT Diagnostic Imaging System
Serial No. F00002
UPC 06971576832040
The hazard
The recall cites potential intermittent issues causing image data problems and artifacts, as well as scout scanning interruptions due to angle signal drift. Additionally, a metal edge overlap of the mylar strip in the gantry may create a sharp edge that can lead to repeat scanning and abrasions.
Context
GovInfoNow's records show Shanghai United Imaging Healthcare Co., Ltd. has 14 other recalls on record since July 30, 2019. Other recent recalls of similar products include Positron Emission Tomography and Computed Tomography System recalls (Aug. 11, 2026), uMI PET/CT Scanners recalls (March 1, 2023), and uMI 550 PET/CT System recalls (May 30, 2022). Other recent recalls of similar products include GE Healthcare Omni Legend PET Scanners (Dec. 24, 2025), Philips Spectral CT 7500 RT Software Issues (Aug. 21, 2026), and Philips Ingenuity CT Scanners (Aug. 7, 2026).
How to tell if you have this one
Check for serial numbers starting with F00002 on the uEXPLORER PET/CT scanners. The product is intended for use by qualified healthcare professionals in medical settings.
Brand
Shanghai United Imaging Healthcare
Product
uEXPLORER PET/CT Diagnostic Imaging System
Category
Medical device
FDA recall event · 2 products
All 2 products in this recall
FDA lists each product line separately under one recall event. Check your product description, lot or code numbers against each row. Every row shares the hazard and remedy on this page.
Classification
Class II
Status
Terminated
Distribution
US Nationwide distribution including in the state of Texas.
Recall number
Product, codes & lots
Quantity
Z-2799-2020
uEXPLORER PET/CT Diagnostic Imaging System - Product Usage: This system is intended to be operated by qualified healthcare professionals to assist in the detection, localization, diagnosis, staging, restaging, treatment planning and treatment response evaluation for diseases and disorders in, but not limit to, oncology, cardiology and neurology.; Serial No. F00002; GTIN 06971576832040
1 unit distributed to Texas
Z-2800-2020
uMI 550 PET/CT Diagnostic Imaging System - Product Usage: This system is intended to be operated by qualified healthcare professionals to assist in the detection, localization, diagnosis, staging, restaging, treatment planning and treatment response evaluation for diseases and disorders in, but not limit to, oncology, cardiology and neurology.; Serial No.s 200017, 200023, 200024 and 200036.
4 units
Based on the official FDA remedy
What to do — step by step
Check Scanner Serial Number
Look for serial numbers starting with F00002 on the uEXPLORER PET/CT scanner.
Where it went and when
Where it was distributed
Distributed nationwide.
Nationwide
Not listed
FDA distribution: “US Nationwide distribution including in the state of Texas.” States read from FDA’s own wording; “not listed” means the notice does not name it.
Distributed nationwide.
Recall timeline
FDA terminated this recall 2 years after the firm started it.
1Firm started the recall
2FDA classified it Class II
3Published in FDA’s Enforcement Report
4FDA terminated the recall
Dates from the agency record only; steps without a date are left out.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Official source: FDA Recall #Z-2799-2020 (July 16, 2020) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-2799-2020 to see it in context.
Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.