FDA Medical Device Recalls (openFDA)
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, accomplishing 0.25mm per 1/4 turn. The etched numbers offer reference points to the surgeon who instructs the patient on distraction technique.
- Recall number
- Z-1324-2009
- Recalling firm
- Synthes Spine
- 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, accomplishing 0.25mm per 1/4 turn. The etched numbers offer reference points to the surgeon who instructs the patient on distraction technique.
- Status
- Terminated
- Initiated
- 2009-02-09
- Posted
- 2009-05-29
- Terminated
- 2009-12-15
- Reason
- Numbers are etched incorrectly on the product.
- Root cause
- Process control
- Action
- 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.
- Quantity
- 1,137 units
- Distribution
- Worldwide Distribution -- US (states of AR, CA, CO, CT, FL, IA, IL, LA, MD, ME, MI, MN, MS, NJ, NY, OK, PA, SC, TX, and UT) and country of Switzerland.
- Lot, serial or model codes
- Lot Numbers: UR76230, US89403, US94671, US97826, 5674035, US90907, US94396 AND US97022.
- 510(k) numbers
- ["K051600"]
- PMA numbers
- not on file
- Product code
- KTT
- Firm FEI
- 3005180112
- Firm city
- West Chester
- Firm state
- PA
- Firm country
- not on file
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28