# K050484: Basis Spinal System

- Pathway: 510(k) (Traditional)
- Applicant: Medtronic Sofamor Danek, Inc.
- Decided: May 4, 2005 after 68 days
- Product code: KWP (Appliance, Fixation, Spinal Interlaminal)
- Device class: 2
- Regulation: 21 CFR 888.3050
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K040583 (2004). 10 ancestors in all.
No later device cites it as a predicate yet.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K042025: Modification to CD Horizon Spinal System, Medtronic Sofamor Danek, Inc. (2004) Summary page 2.
- K020709: Modification to CD Horizon Spinal System, Medtronic Sofamor Danek (2002) Summary page 2.
- K981676: CD Horizon Spinal System, Sofamor Danek USA,Inc. (1999) Summary page 2.

## Indications for use
The BASISTM Screws and Hooks are intended for posterior, non-cervical fixation for the following indications: spinal stenosis; spondylolisthesis; curvatures (i.e., scoliosis, kyphosis and/or lordosis); trauma (i.e., fracture or dislocation); pseudarthrosis; tumor; and/or failed previous fusion. Except for hooks, when used as an anterolateral thoracic/lumbar, BASISTM components are intended for the following indications: (1) spinal stenosis, (2) spondylolisthesis, (3) spinal deformities (i.e., scoliosis, kyphosis, and/or lordosis), (4) fracture, (5) pseudarthrosis, (6) tumor resection, and/or (7) failed previous fusion.

Source page: https://510kreport.com/device/K050484
Methodology: https://510kreport.com/methodology
