Severity
Moderate
ModerateClass IIOngoing
FDA Devices recall · Reported February 22, 2023
SIEMENS Biograph mCT: a) Flow 64-4R Seismic, b) S(40)-3R Seismic, c) S(64)-3R Seismic, d) S(40)-4R Seismic, e) S(64)-4R Seismic, f) S(20)-3R Mobile
This is a potential problem with the locking mechanism that is used to secure the PET gantry in either its scanning or service position.
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
Siemens Medical Solutions USA, Inc. recalled SIEMENS Biograph mCT: a) Flow 64-4R Seismic, b) S(40)-3R Seismic, c) S(64)-3R Seismic, d… - a moderate-severity action.
SIEMENS Biograph mCT: a) Flow 64-4R Seismic, b) S(40)-3R Seismic, c) S(64)-3R Seismic, d… was recalled by Siemens Medical Solutions USA, Inc. in February 22, 2023. Reason: This is a potential problem with the locking mechanism that is used to secure the PET gantry in either its sc…. Check the official notice for the remedy. Verify recall #Z-1135-2023 with the FDA Devices before acting.
The recall
Siemens Medical Solutions USA, Inc. issued this moderate-severity FDA Devices recall-This is a potential problem with the locking mechanism that is used to secure the PET gantry in either its sc….
- Moderate
- severity level
- 6 units
- affected scope
- Class II
- classification
- February 22, 2023
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1135-2023 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-1135-2023) was formally reported on February 22, 2023, with the manufacturer initiating the action on January 16, 2023. It is classified under Moderate severity (Class II), with a current status of Ongoing. Siemens Medical Solutions USA, Inc. is listed as the recalling firm, operating out of Hoffman Estates, IL. Federal records list the affected scope as 6 units.
The documented reason for this recall is: This is a potential problem with the locking mechanism that is used to secure the PET gantry in either its scanning or service position. Distribution data in the federal record shows the product reached: Worldwide distribution - US Nationwide and the countries of Japan, Chile, Australia.. 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
6 units
Related Recalls
6
3 from same agency
Product description
SIEMENS Biograph mCT: a) Flow 64-4R Seismic, b) S(40)-3R Seismic, c) S(64)-3R Seismic, d) S(40)-4R Seismic, e) S(64)-4R Seismic, f) S(20)-3R Mobile
Reason for recall
This is a potential problem with the locking mechanism that is used to secure the PET gantry in either its scanning or service position.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Ongoing |
| Recall number | Z-1135-2023 |
| Date reported | February 22, 2023 |
| Date initiated | January 16, 2023 |
| Recalling firm | Siemens Medical Solutions USA, Inc. |
| Firm location | Hoffman Estates, IL |
| Affected scope | 6 units |
| Distribution | Worldwide distribution - US Nationwide and the countries of Japan, Chile, Australia. |
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-1135-2023) 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? ▼
SIEMENS Biograph mCT: a) Flow 64-4R Seismic, b) S(40)-3R Seismic, c) S(64)-3R Seismic, d) S(40)-4R Seismic, e) S(64)-4R Seismic, f) S(20)-3R Mobile. Recalled by Siemens Medical Solutions USA, Inc.. Units affected: 6 units.
Why was this product recalled? ▼
This is a potential problem with the locking mechanism that is used to secure the PET gantry in either its scanning or service position.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on February 22, 2023. Severity: Moderate. Recall number: Z-1135-2023.
Where was the recalled product distributed? ▼
Distribution: Worldwide distribution - US Nationwide and the countries of Japan, Chile, Australia..
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-1135-2023) 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.
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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 February 22, 2023. 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.