Ad-Tech recalls Spencer Probe Depth Electrodes with incorrect contact count that may cause improper brain mapping during surgery. The recall addresses a manufacturing error where some units were labeled as 8-contact but are actually 6-contact.
An Ad-Tech Clinical Specialist, attended a case on April 15, 2019. During the case the surgeon encountered an issue after implanting four Ad-Tech depth electrodes. Upon initial device testing subsequent to implantation it was identified that two of the devices that were labeled as 8 contact depth electrodes (SD08R-SP05X-000) were in fact 6 contact depth electrodes (SD06R-SP05X-000) . There was no impact to the patient due to this incident.
Take action
Contact the company
📍Recalling firmAd-Tech Medical Instrument Corporation400 W Oakview Pkwy · Oak Creek, WI 53154-7213
“Ad-Tech Spencer Probe Depth Electrodes: Incorrect Contact Count Risk.” GovInfoNow, updated August 20, 2026. https://govinfonow.com/recall/68336-ad-tech-spencer-probe-depth-electrodes-incorrect-contact-count-risk. Based on FDA recall #Z-2396-2019 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-2396-2019%22&limit=1).
The FDA announced on April 16, 2019, that Ad-Tech Medical Instrument Corporation is recalling AD-TECH Spencer Probe Depth Electrodes because some units labeled as having eight contacts actually contain six. The agency stated the recall was voluntary and initiated by the firm.
How to tell if you have it
Brand: Ad-Tech
Product: AD-TECH Spencer Probe Depth Electrode
Catalog Numbers: SD08R-SP05X-000, SD06R-SP05X-000
Lot Numbers: 127219 208140699, 127357 208140699
Quantity: 18 units
The hazard
The FDA said that during a case on April 15, 2019, it was identified that two devices labeled as eight-contact depth electrodes were actually six-contact depth electrodes. The agency reported there was no impact to the patient due to this incident.
Context
GovInfoNow's records show Ad-Tech Medical Instrument Corporation has seven other recalls on record since December 20, 2017. Other recent recalls of similar products include DeRoyal Myocardial Probe Recall (August 20, 2026), Codman CereLink ICP Sensor Basic Kit Recall (December 12, 2025), and Synthes 2.4V TAP CORTEX SCREW Recall (February 25, 2026).
How to tell if you have this one
Check for catalog numbers SD08R-SP05X-000 or SD06R-SP05X-000. The product was sold with lot numbers 127219, 208140699, and 127357.
Brand
Ad-Tech
Category
Medical device
Based on the official FDA remedy
What to do — step by step
Check Product Label
Look for catalog numbers SD08R-SP05X-000 or SD06R-SP05X-000 on the device.
Where it went and when
Where it was distributed
Distributed nationwide, and outside the U.S.
Nationwide
Not listed
FDA distribution: “Worldwide - Nationwide distribution in the state of Illinois and countries of Russia and United Kingdom” States read from FDA’s own wording; “not listed” means the notice does not name it.
Distributed nationwide, and outside the U.S.
Recall timeline
FDA terminated this recall 3.1 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-2396-2019 (April 16, 2019) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-2396-2019 to see it in context.
Plain-language summary written by qwen3:4b on August 20, 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.