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Lower risk Medical device recall · FDA · Published April 30, 2021

CooperS: Wallach Loop Electrodes Recalled Due to Wrong Shape Packaging

CooperSurgical recalls 10mm x 10mm Square Wallach Loop Electrodes (P/N 909131) that were incorrectly packaged with round electrodes. This packaging error may lead to incorrect use during medical procedures.

🇺🇸 FDA recall #Z-1847-2021Medical deviceCooperSurgical ›
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Contact the company

Recalling firmCooperSurgical, Inc.95 Corporate Dr · Trumbull, CT 06611-1350
✎ GovInfoNow plain-language explainer

CooperSurgical is recalling 10mm x 10mm Square Wallach Loop Electrodes (P/N 909131) that were mistakenly packaged with round electrodes inside square packages. This error could cause incorrect use during medical procedures if the wrong electrode type is used. Read more at govinfonow.com/recall/62629-coopers-wallach-loop-electrodes-recalled-due-to-wrong-shape-packaging.

Source Summary by GovInfoNow · govinfonow.com/recall/62629-coopers-wallach-loop-electrodes-recalled-due-to-wrong-shape-packaging · Updated August 19, 2026 · FDA enforcement record: FDA #Z-1847-2021

Cite this page

“CooperS: Wallach Loop Electrodes Recalled Due to Wrong Shape Packaging.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/62629-coopers-wallach-loop-electrodes-recalled-due-to-wrong-shape-packaging. Based on FDA recall #Z-1847-2021 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-1847-2021%22&limit=1).

CooperSurgical, Inc. recalled CooperSurgical Wallach Loop Electrodes on April 30, 2021, because packages labeled as Square Electrodes contained Round Electrodes, according to the FDA.

How to tell if you have it

  • Brand: CooperSurgical
  • Product: CooperSurgical Wallach Loop Electrode 10mm x 10mm Square P/N: 909131
  • Lot code: 274420

The hazard

The affected Wallach LOOP Electrodes were incorrectly packaged with a Round Electrode inside a package labeled as a Square Electrode.

Context

GovInfoNow's records show CooperSurgical, Inc. has issued 37 other recalls since October 6, 2017. Other recent recalls include the INCA Infant Nasal CPAP (August 11, 2026), Endosee System Convenience Kit (June 11, 2025), and K-Systems R65 Trolley (November 15, 2024). Similar recent recalls of packaging-related issues include the Straumann GM Helix Implant (August 12, 2026) and Boston Scientific CRE Pro Wireguided devices (May 21, 2026).

How to tell if you have this one

Check for the product name 'Wallach Loop Electrode 10mm x 10mm Square' with part number 909131. The affected items were sold with lot number 274420.

  • Brand
    CooperSurgical
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Check Package Label

    Verify the electrode shape and part number on the packaging to ensure it matches the label.

Where it went and when

Where it was distributed

Distributed in 6 states.

Alaska: not listedAKMaine: not listedMEVermont: not listedVTNew Hampshire: not listedNHWashington: not listedWAIdaho: not listedIDMontana: not listedMTNorth Dakota: not listedNDMinnesota: not listedMNIllinois: not listedILWisconsin: not listedWIMichigan: not listedMINew York: not listedNYRhode Island: not listedRIMassachusetts: not listedMAOregon: not listedORNevada: not listedNVWyoming: not listedWYSouth Dakota: not listedSDIowa: not listedIAIndiana: not listedINOhio: not listedOHPennsylvania: yesPANew Jersey: yesNJConnecticut: not listedCTCalifornia: yesCAUtah: not listedUTColorado: not listedCONebraska: not listedNEMissouri: yesMOKentucky: not listedKYWest Virginia: not listedWVVirginia: not listedVAMaryland: yesMDDelaware: not listedDEArizona: not listedAZNew Mexico: not listedNMKansas: not listedKSArkansas: not listedARTennessee: not listedTNNorth Carolina: not listedNCSouth Carolina: not listedSCDistrict of Columbia: not listedDCOklahoma: not listedOKLouisiana: not listedLAMississippi: not listedMSAlabama: not listedALGeorgia: not listedGAHawaii: not listedHITexas: yesTXFlorida: not listedFL

FDA distribution: “US distribution to: CA, MD, MO, NJ, PA, and TX” States read from FDA’s own wording; “not listed” means the notice does not name it.

States: California, Maryland, Missouri, New Jersey, Pennsylvania, Texas.

Recall timeline

FDA terminated this recall 2.2 years after the firm started it.

1. Firm started the recall: Apr 30, 202112. FDA classified it Class II: Jun 10, 202123. Published in FDA’s Enforcement Report: Jun 16, 202134. FDA terminated the recall: Jul 21, 2023420212023
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report
  4. FDA terminated the recall

Dates from the agency record only; steps without a date are left out.

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Where this comes from

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-1847-2021 (April 30, 2021) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-1847-2021 to see it in context.
  • Plain-language summary written by qwen3:4b on August 19, 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.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA