UnratedMedical device recall · FDA · Published February 11, 2020
Intellijoint Navigation Software Recalled: Incorrect Knee Surgery Depth Calculations
Intellijoint recalls its Navigation System software (V1.2.0/V1.2.1) due to potential incorrect femur depth calculations during knee surgery. Affected devices may require correction to prevent surgical errors.
“Intellijoint Navigation Software Recalled: Incorrect Knee Surgery Depth Calculations.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/65859-intellijoint-navigation-software-recalled-incorrect-knee-surgery-depth-calculations. Based on FDA recall #Z-1559-2020 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-1559-2020%22&limit=1).
The FDA announced on Feb. 11, 2020, that Intellijoint Surgical, Inc. is recalling the Intellijoint Navigation System and IJK1 software application (P/N 000-0547). The hazard is that the software may incorrectly calculate femur resection depth during total knee arthroplasty.
During total knee arthroplasty, the software may incorrectly calculate femur resection depth.
Context
GovInfoNow's records show Intellijoint Surgical, Inc. has two other recalls on record since June 28, 2019. Other recent recalls of similar products include U2 Total Knee System Femoral Offset Bushing Recall (March 19, 2026), Intelerad InteleShare Software Recall (Nov. 18, 2025), and Da Vinci Surgical System: Software Error May Cause Instrument Failure (Nov. 7, 2025).
How to tell if you have this one
Check if you have the Intellijoint Navigation System software version 1.2.0 or 1.2.1. The product was distributed for total knee arthroplasty procedures.
Brand
Intellijoint
Category
Medical device
Based on the official FDA remedy
What to do — step by step
Check Software Version
Verify your software version by checking the product documentation or software settings.
Where it went and when
Where it was distributed
Distributed nationwide and abroad; the notice names 2 states.
Named in the notice
Covered by “nationwide”
Not listed
FDA distribution: “Worldwide distribution - US Nationwide distribution in the states of NY and CT. Country of Canada.” States read from FDA’s own wording; “not listed” means the notice does not name it.
Named in the notice: Connecticut, New York.
Recall timeline
FDA terminated this recall 4 months 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-1559-2020 (February 11, 2020) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-1559-2020 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.