Severity
Moderate
ModerateClass IIOngoing
FDA Devices recall · Reported February 24, 2021
SenTec Digital Monitor, Model SDM, is a portable stand-alone patient monitor indicated for continuous, noninvasive patient monitoring of carbon dioxide partial pressure (PCo2), oxygen partial pressure (POs), functional oxygen saturation (PsO2), and pulse rate (PR), using either a single digital sensor (V-Sign Sensor 2 or OxiVenT sensor).
Device requires the use of an Isolation Transformer in combination with the SDM in home care settings to comply with applicable safety standards.
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
SenTec Ag recalled SenTec Digital Monitor, Model SDM, is a portable stand-alone patient monitor indicated fo… - a moderate-severity action.
SenTec Digital Monitor, Model SDM, is a portable stand-alone patient monitor indicated fo… was recalled by SenTec Ag in February 24, 2021. Reason: Device requires the use of an Isolation Transformer in combination with the SDM in home care settings to comp…. Check the official notice for the remedy. Verify recall #Z-1134-2021 with the FDA Devices before acting.
The recall
SenTec Ag issued this moderate-severity FDA Devices recall-Device requires the use of an Isolation Transformer in combination with the SDM in home care settings to comp….
- Moderate
- severity level
- 15 units
- affected scope
- Class II
- classification
- February 24, 2021
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1134-2021 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-1134-2021) was formally reported on February 24, 2021, with the manufacturer initiating the action on December 10, 2020. It is classified under Moderate severity (Class II), with a current status of Ongoing. SenTec Ag is listed as the recalling firm, operating out of Therwil, N/A. Federal records list the affected scope as 15 devices.
The documented reason for this recall is: Device requires the use of an Isolation Transformer in combination with the SDM in home care settings to comply with applicable safety standards. Distribution data in the federal record shows the product reached: IL, PA, FL, NJ, GA, MA. 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
15 devices
Related Recalls
6
3 from same agency
Product description
SenTec Digital Monitor, Model SDM, is a portable stand-alone patient monitor indicated for continuous, noninvasive patient monitoring of carbon dioxide partial pressure (PCo2), oxygen partial pressure (POs), functional oxygen saturation (PsO2), and pulse rate (PR), using either a single digital sensor (V-Sign Sensor 2 or OxiVenT sensor).
Reason for recall
Device requires the use of an Isolation Transformer in combination with the SDM in home care settings to comply with applicable safety standards.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Ongoing |
| Recall number | Z-1134-2021 |
| Date reported | February 24, 2021 |
| Date initiated | December 10, 2020 |
| Recalling firm | SenTec Ag |
| Firm location | Therwil, N/A |
| Affected scope | 15 devices |
| Distribution | IL, PA, FL, NJ, GA, MA |
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-1134-2021) 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? ▼
SenTec Digital Monitor, Model SDM, is a portable stand-alone patient monitor indicated for continuous, noninvasive patient monitoring of carbon dioxide partial pressure (PCo2), oxygen partial pressure (POs), functional oxygen saturation (PsO2), and pulse rate (PR), using either a single digital sensor (V-Sign Sensor 2 or OxiVenT sensor).. Recalled by SenTec Ag. Units affected: 15 devices.
Why was this product recalled? ▼
Device requires the use of an Isolation Transformer in combination with the SDM in home care settings to comply with applicable safety standards.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on February 24, 2021. Severity: Moderate. Recall number: Z-1134-2021.
Where was the recalled product distributed? ▼
Distribution: IL, PA, FL, NJ, GA, MA.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-1134-2021) 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 24, 2021. 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.