A small, implantable, non-bioabsorbable device intended to be attached to the top end of a spinal screw (not included) typically to secure/stabilize a rod and/or connector as part of an internal spinal fixation procedure. Also known as a reduction head or tuli
| Company | Devices | Share |
|---|---|---|
| Precision Spine, Inc. | 27 | 20% |
| Signus Medizintechnik Gmbh | 14 | 11% |
| Nexxt Spine, Llc | 12 | 9% |
| Alphatec Spine, Inc. | 10 | 8% |
| Biedermann Motech Gmbh & Co. Kg | 8 | 6% |
| S.M.A.I.O | 8 | 6% |
| Zavation Llc | 8 | 6% |
| Life Spine, Inc. | 6 | 5% |
| Xenix Medical Llc | 5 | 4% |
| Cg Medtech Co.,Ltd. | 5 | 4% |
| Spine Wave, Inc. | 4 | 3% |
| Carbofix Orthopedics Ltd | 3 | 2% |
Company = labeler of record on GUDID. 20 companies in total; top 12 shown. Click headers to sort.
Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.
| Code | Name | Devices |
|---|---|---|
| NKB | Thoracolumbosacral Pedicle Screw System | 74 |
| MNI | Orthosis, Spinal Pedicle Fixation | 42 |
| MNH | Orthosis, Spondylolisthesis Spinal Fixation | 42 |
| KWP | Appliance, Fixation, Spinal Interlaminal | 28 |
| NKB | Orthosis, Spinal Pedicle Fixation, For Degenerative Disc Dis | 26 |
| NKB | Thoracolumbosacral pedicle screw system | 25 |
Use these as the dimensions to specify in a tender line.
133 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Spinal bone screw head/rod adaptor", from 20 companies. The largest labeler is Precision Spine, Inc. with 20% of records.
NKB (Thoracolumbosacral Pedicle Screw System), MNI (Orthosis, Spinal Pedicle Fixation), MNH (Orthosis, Spondylolisthesis Spinal Fixation), KWP (Appliance, Fixation, Spinal Interlaminal)
No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.
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Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.