Synthes Spine Square Nut MR Safe, Catalog Number 03.311.060. The Square Nut MR Safe is used in conjunction with Synthes Distraction Osteogenesis Ring Systems. It can be used to secure components together or as a means of bone distraction/compression. Each side of the Square Nut is etched with a number, 1-2-3-4, which can be referenced during distraction/compression. Distraction of bone typically occurs a a rate of 1mm/day. The patient may be instructed to turn the nuts 1/4 turn four times per day, accomplis Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Square Nut MR Safe, Catalog Number 03.311.060. The Square Nut MR Safe is used in conjunction with Synthes Distraction Osteogenesis Ring Systems. It can be used to secure components together or as a means of bone distraction/compression. Each side of the Square Nut is etched with a number, 1-2-3-4, which can be referenced during distraction/compression. Distraction of bone typically occurs a a rate of 1mm/day. The patient may be instructed to turn the nuts 1/4 turn four times per day, accomplis
Brand
Synthes Spine
Lot Codes / Batch Numbers
Lot Numbers: UR76230, US89403, US94671, US97826, 5674035, US90907, US94396 AND US97022.
Products Sold
Lot Numbers: UR76230, US89403, US94671, US97826, 5674035, US90907, US94396 AND US97022.
Synthes Spine is recalling Square Nut MR Safe, Catalog Number 03.311.060. The Square Nut MR Safe is used in conjunction with due to Numbers are etched incorrectly on the product.. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Numbers are etched incorrectly on the product.
Recommended Action
Per FDA guidance
An "Urgent: Medical Device Recall" letter dated February 6, 2009 was sent to all affected Synthes Trauma Sales Consultants via USPS certified mail on February 09, 2009 and affected In House employees were notified via return receipt email on February 09, 2009. All affected hospitals were notified of the recall through a notification letter mailed via USPS certified mail on February 09, 2009. The notification letter described the affected product, issue and actions for recipients. Direct questions about the recall to Synthes Spine by calling 800-620-7025, Extension 5455 or 610-719-5455.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticeDistribution
As reported by FDA
AR, CA, CO, CT, FL, IL, IA, LA, ME, MD, MI, MN, MS, NJ, NY, OK, PA, SC, TX, UT
Page updated: Jan 10, 2026