On 04-feb-2026, it was reported by n arthrex subsidiary employee via (b)(4) that an ar-12990 knee scorpion had a broken needle in the instrument and was not working properly.No case involvement was reported.Additional information provided 06-feb-2026: it was further reported this discovered during use in a procedure with no patient harm.When attempting to use the instrument, it was not possible to do so, and the case was completed with another device.
Additional Manufacturer Narrative
Investigation is in process.A follow-up report will be provided upon availability of additional information.