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 …
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 recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution scope (see Distribution below) 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, 6 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 - 41,021 medical devices recalls on record
Of 88,244 recalls with an agency hazard classification, 19,068 are high severity, 64,652 moderate, and 4,524 low. A further 16,179 CPSC/NHTSA recalls have no agency class and are excluded from this split. 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.
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.
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Nationwide recalls with similar severity or category timing
Drug and device notices outside this firm and state, matched by severity timing and product category.
Similar severity · nearest report date
Same archive severity grade (Moderate), closest by report date among other firms and states.
Similar Medical Devices · nearest report date
Same product category, closest by report date among other firms and states (deduped against the severity set).
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Methodology · Corrections · Archive as of August 2026