Medtronic Synchromed II Model 8637 Pumps: Motor Stall Risk Due to Corrosion
Medtronic is recalling Synchromed II Model 8637 pumps with 20mL and 40mL reservoirs that may experience motor stall from corrosion. These devices are not implanted and require replacement.
Lower-risk recall
Medtronic implemented a final design change intended to address the motor stall due to corrosion and is recalling devices with the previous design that are not implanted.
Contact the company
What happened, in plain English
Medtronic is recalling Synchromed II Model 8637 pumps (20mL and 40mL reservoir sizes) that were not implanted. The recall is because these devices could have motor stalls due to corrosion, which may affect their function. Read more at govinfonow.com/recall/73156-medtronic-synchromed-ii-model-8637-pumps-motor-stall-risk-due.
Source Summary by GovInfoNow · govinfonow.com/recall/73156-medtronic-synchromed-ii-model-8637-pumps-motor-stall-risk-due · Updated September 18, 2026 · FDA enforcement record: FDA #Z-0896-2018
Cite this page
“Medtronic Synchromed II Model 8637 Pumps: Motor Stall Risk Due to Corrosion.” GovInfoNow, updated September 18, 2026. https://govinfonow.com/recall/73156-medtronic-synchromed-ii-model-8637-pumps-motor-stall-risk-due. Based on FDA recall #Z-0896-2018 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-0896-2018%22&limit=1).
Why it’s dangerous
The pumps could experience motor stalls due to corrosion in the previous design. This issue affects non-implanted devices that are not yet updated to the final design change Medtronic implemented to fix the problem.
Who’s affected
People who own or use the non-implanted Synchromed II Model 8637 pumps with 20mL or 40mL reservoirs. Those most at risk are users who have not yet replaced the pump with the updated design.
How to tell if you have this one
Check for the model number '8637' with reservoir sizes of 20mL or 40mL. These pumps are not implanted and were sold with specific identification codes like GTINs and PINs listed in the recall notice.
- Brand
Medtronic- Category
Medical device
What to do — step by step
Check Product Details
Verify if your pump has a 20mL or 40mL reservoir size and is not implanted.
Contact Medtronic
Reach out to Medtronic for guidance on replacement or repair options.
Where it went and when
Where it was distributed
Distributed nationwide; the notice names 49 states.
FDA distribution: “US Nationwide Distribution in the states of AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OR, OK, PA, RI, SC, SD, TN, TX, UT, VA, WA, WI, WV,…” States read from FDA’s own wording; “not listed” means the notice does not name it.
Named in the notice: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming.
Recall timeline
FDA published this recall 7 months after the firm started it.
- Firm started the recall
- FDA classified it Class II
- 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-0896-2018 (August 9, 2017) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-0896-2018 to see it in context.
- Plain-language summary written by qwen3:4b on September 18, 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.