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Use caution Medical device recall · FDA · Published June 29, 2023

Abiomed Impella RP Flex SmartAssist Pump Recall: Thrombus Risk

Abiomed recalls Impella RP Flex with SmartAssist pumps due to higher risk of blood clots forming and breaking loose, potentially causing reduced blood flow or hemolysis.

🇺🇸 FDA recall #Z-2281-2023Medical deviceAbiomed ›
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Recalling firmAbiomed, Inc.22 &, 24 Cherry Hill Dr · Danvers, MA 01923-2575
✎ GovInfoNow plain-language explainer

Abiomed is recalling certain Impella RP Flex with SmartAssist intracardiac blood pumps because they can form blood clots that may break free and cause reduced blood flow or hemolysis. This risk is serious for patients using the device for heart support. Read more at govinfonow.com/recall/57762-abiomed-impella-rp-flex-smartassist-pump-recall-thrombus-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/57762-abiomed-impella-rp-flex-smartassist-pump-recall-thrombus-risk · Updated August 19, 2026 · FDA enforcement record: FDA #Z-2281-2023

Cite this page

“Abiomed Impella RP Flex SmartAssist Pump Recall: Thrombus Risk.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/57762-abiomed-impella-rp-flex-smartassist-pump-recall-thrombus-risk. Based on FDA recall #Z-2281-2023 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-2281-2023%22&limit=1).

The FDA announced on June 29, 2023, that Abiomed, Inc. is voluntarily recalling the Impella RP Flex with SmartAssist intracardiac microaxial blood pump due to a higher than expected rate of thrombus formation. The hazard poses risks of reduced flow, loss of support, or hemolysis if deposits break free and enter the device.

How to tell if you have it

  • Brand: Abiomed
  • Product: Impella RP Flex with SmartAssist intracardiac microaxial blood pump
  • Product Number: 1000323
  • UDI-DI: 00813502012811
  • Serial Numbers: 409541 409542 409544 411379 416645 416646 416647 416649 418933 418939 418940 419489 421953 421955 422974 422978 423999 425596 428726 428730 429616 429617 429623 429646 429648 429649 429650 429651 429652 429654 430363 430365 430366 430367 430923 430929 430931 431099 431106 431532 431535 431844 431846 431847 431848 431850 431868 431869 431870 432394 432395 432396 432397 432398 432400 432401 432402 432643 432644 432645 432648 432651 433755 433756 434540
  • Units affected: 166
  • Distribution: US Nationwide including AR, CA, FL, GA, LA, MA, MI, MO, NC, NJ, NY, OH, OR, SC, TX, and WI

The hazard

According to the FDA, a higher than expected rate of thrombus formation or deposition has been observed. The risk is for thrombus formations or deposits on indwelling central venous lines or cannulas may break free and enter into the Impella RP Flex, resulting in reduced flow, loss of support, or hemolysis.

Context

GovInfoNow's records show Abiomed, Inc. has 28 other recalls on record since September 4, 2019. Other recent recalls of similar products include the Fresenius Kabi Ivenix Infusion Pump Recall (November 3, 2025), the ICU Medical Pulsator Arterial Blood Sampling Kit Recall (December 19, 2025), and the Boston Scientific Imager II Angiographic Catheters Recall (August 24, 2026).

How to tell if you have this one

Check if your Impella RP Flex pump has the Product Number 1000323 and the listed serial numbers or UDI-DI code 00813502012811. The device is used for heart support in medical settings.

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

What to do — step by step

  1. Check Device Details

    Verify your pump's Product Number (1000323) and serial numbers from the recall list.

  2. Contact Healthcare Provider

    Talk to your doctor or hospital about the recall and next steps for your specific situation.

Where it went and when

Where it was distributed

Distributed nationwide; the notice names 16 states.

Alaska: nationwideAKMaine: nationwideMEVermont: nationwideVTNew Hampshire: nationwideNHWashington: nationwideWAIdaho: nationwideIDMontana: nationwideMTNorth Dakota: nationwideNDMinnesota: nationwideMNIllinois: nationwideILWisconsin: named in the noticeWIMichigan: named in the noticeMINew York: named in the noticeNYRhode Island: nationwideRIMassachusetts: named in the noticeMAOregon: named in the noticeORNevada: nationwideNVWyoming: nationwideWYSouth Dakota: nationwideSDIowa: nationwideIAIndiana: nationwideINOhio: named in the noticeOHPennsylvania: nationwidePANew Jersey: named in the noticeNJConnecticut: nationwideCTCalifornia: named in the noticeCAUtah: nationwideUTColorado: nationwideCONebraska: nationwideNEMissouri: named in the noticeMOKentucky: nationwideKYWest Virginia: nationwideWVVirginia: nationwideVAMaryland: nationwideMDDelaware: nationwideDEArizona: nationwideAZNew Mexico: nationwideNMKansas: nationwideKSArkansas: named in the noticeARTennessee: nationwideTNNorth Carolina: named in the noticeNCSouth Carolina: named in the noticeSCDistrict of Columbia: nationwideDCOklahoma: nationwideOKLouisiana: named in the noticeLAMississippi: nationwideMSAlabama: nationwideALGeorgia: named in the noticeGAHawaii: nationwideHITexas: named in the noticeTXFlorida: named in the noticeFL

FDA distribution: “US Nationwide distribution including in the states of AR, CA, FL, GA, LA, MA, MI, MO, NC, NJ, NY, OH, OR, SC, TX, and WI.” States read from FDA’s own wording; “not listed” means the notice does not name it.

Named in the notice: Arkansas, California, Florida, Georgia, Louisiana, Massachusetts, Michigan, Missouri, New Jersey, New York, North Carolina, Ohio, Oregon, South Carolina, Texas, Wisconsin.

Recall timeline

FDA published this recall 41 days after the firm started it.

1. Firm started the recall: Jun 29, 202312. FDA classified it Class I: Aug 3, 202323. Published in FDA’s Enforcement Report: Aug 9, 202332023
  1. Firm started the recall
  2. FDA classified it Class I
  3. Published in FDA’s Enforcement Report

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-2281-2023 (June 29, 2023) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-2281-2023 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