Severity
Moderate
ModerateClass IITerminated
FDA Devices recall · Reported July 29, 2015
PROBEAT WITH DISCRETE SPOT SCANNING SYSTEM Product Usage: Hitachi PROBEAT with DSSS is a medical device designed to produce and deliver a proton beam for the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation.
At a PROBEAT III site installed in Japan, the operator of the system found that the radiation was delivered inconsistent with the treatment plan and stopped the irradiation. The …
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
Hitachi America, Ltd., Power Systems Division recalled PROBEAT WITH DISCRETE SPOT SCANNING SYSTEM Product Usage: Hitachi PROBEAT with DSSS i… - a moderate-severity action.
PROBEAT WITH DISCRETE SPOT SCANNING SYSTEM Product Usage: Hitachi PROBEAT with DSSS i… was recalled by Hitachi America, Ltd., Power Systems Division in July 29, 2015. Reason: At a PROBEAT III site installed in Japan, the operator of the system found that the radiation was delivered i…. Check the official notice for the remedy. Verify recall #Z-1838-2015 with the FDA Devices before acting.
The recall
Hitachi America, Ltd., Power Systems Division issued this moderate-severity FDA Devices recall-At a PROBEAT III site installed in Japan, the operator of the system found that the radiation was delivered i….
- Moderate
- severity level
- 3 units
- affected scope
- Class II
- classification
- July 29, 2015
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1838-2015 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-1838-2015) was formally reported on July 29, 2015, with the manufacturer initiating the action on April 21, 2015. It is classified under Moderate severity (Class II), with a current status of Terminated. Hitachi America, Ltd., Power Systems Division is listed as the recalling firm, operating out of Houston, TX. Federal records list the affected scope as 3.
The documented reason for this recall is: At a PROBEAT III site installed in Japan, the operator of the system found that the radiation was delivered inconsistent with the treatment plan and stopped the irradiation. The irradiation control system may be potent… Distribution data in the federal record shows the product reached: Distribution in US (Texas) and Japan. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory.
Within the same product category the archive holds 6 closely related recalls, 3 from FDA Devices - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Medical Devices recalls over time
Where this recall sits in its category - 40,322 medical devices recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Affected scope
3
Related Recalls
6
3 from same agency
Product description
PROBEAT WITH DISCRETE SPOT SCANNING SYSTEM Product Usage: Hitachi PROBEAT with DSSS is a medical device designed to produce and deliver a proton beam for the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation.
Reason for recall
At a PROBEAT III site installed in Japan, the operator of the system found that the radiation was delivered inconsistent with the treatment plan and stopped the irradiation. The irradiation control system may be potentially affected when rebooting a part of the control system.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-1838-2015 |
| Date reported | July 29, 2015 |
| Date initiated | April 21, 2015 |
| Recalling firm | Hitachi America, Ltd., Power Systems Division |
| Firm location | Houston, TX |
| Affected scope | 3 |
| Distribution | Distribution in US (Texas) and Japan |
Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.
What to do with this recall
Match your product against the recall record, then act on the agency remedy.
- Check the recall number (Z-1838-2015) and product description against the item you own. Search the archive
- Confirm the current status with FDA Devices before acting, recall details can be updated.
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official FDA Devices record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
Frequently Asked Questions
What product was recalled? ▼
PROBEAT WITH DISCRETE SPOT SCANNING SYSTEM Product Usage: Hitachi PROBEAT with DSSS is a medical device designed to produce and deliver a proton beam for the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation.. Recalled by Hitachi America, Ltd., Power Systems Division. Units affected: 3.
Why was this product recalled? ▼
At a PROBEAT III site installed in Japan, the operator of the system found that the radiation was delivered inconsistent with the treatment plan and stopped the irradiation. The irradiation control system may be potentially affected when rebooting a part of the control system.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on July 29, 2015. Severity: Moderate. Recall number: Z-1838-2015.
Where was the recalled product distributed? ▼
Distribution: Distribution in US (Texas) and Japan.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-1838-2015) against your product. Visit the official FDA Devices website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
Should I stop using a recalled medication or medical device? ▼
Do not stop using a recalled medication or device without consulting your healthcare provider first, as abruptly discontinuing treatment could pose its own health risks. Your doctor can advise on alternatives or whether the recall applies to your specific product lot. Check the recall number and lot information against your product packaging.
Nearby Recalls in This Category
Other recalls in the same product category, useful for spotting patterns across the same defect class or manufacturer.
CPSC Moderate
Rowenta Recalls Cordless Vacuum Cleaners Due to Risk of Serious Injury from Fire and Burn Hazards
· 2026-07-02
CPSC Moderate
Daikin Comfort Technologies Manufacturing Recalls Amana Air Conditioners and Heat Pumps Due to Risk of Serious Injury f…
· 2026-06-25
CPSC Moderate
Arizer Solo III Portable Vaporizers Recalled Due to Fire and Burn Hazards; Risk of Serious Injury or Death; Imported by…
· 2026-06-18
FDA Devices Moderate
GE HealthCare TRADE IN CARESCAPE TELEMETRY SERVER ARK-2250L - NORTH AMERICA, REF #5697603-902, Product Code KSA; used i…
GE Medical Systems Information Technologies Inc · 2026-06-03
FDA Devices Critical
Medline kits containing Huons Co. Bupivacaine HCL in Dextrose Injection, USP, labeled as: 1) BLOCK TRAY, Medline Kit…
Medline Industries, LP · 2026-06-03
Compare this recall with Rowenta Recalls Cordless Vacuum Cleaners Due to Risk of Ser… →
Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: FDA Devices, reported July 29, 2015. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.