# K171813: OpenLoc-L Spinal Fixation System, LnK Spinal Fixation System

- Pathway: 510(k) (Special)
- Applicant: L&K BIOMED Co., Ltd.
- Decided: Jul 13, 2017 after 24 days
- Product code: NKB (Thoracolumbosacral Pedicle Screw System)
- Device class: 2
- Regulation: 21 CFR 888.3070
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 12 generations back to K990745 (1999). 115 ancestors in all.
30 later devices descend from it; 7 cite it directly.
0 of 146 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K143363: VENUS Spinal Fixation System, L&K BIOMED Co., Ltd. (2015) Summary page 4.

## Most influential descendants
- K183168: OpenLoc-L Spinal Fixation System (2018), 23 descendants of its own
- K214006: Invictus® Spinal Fixation System (2022), 16 descendants of its own
- K221926: Invictus® Bone Cement, Invictus Spinal Fixation System (2022), 14 descendants of its own
- K232275: Invictus® Spinal Fixation System (2023), 11 descendants of its own
- K182544: AccelFix Spinal Fixation System (2019), 10 descendants of its own

## Indications for use
OpenLoc-L Spinal Fixation System is non-cervical spinal fixation devices intended for use as posterior pedicle screw fixation system T1-S2/ilium), or as an anterolateral fixation system (T8-L5). All components in the system are limited to skeletally mature patients. These devices are indicated as an adjunct to fusion for all of the following indications regardless of the intended use: degenerative disF disease (defined as discogenic back pain with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; trauma (i.e., fracture or dislocation); deformities or curvatures (i.e., scoliosis, kyphosis, and/or lordosis); tumor; stenosis; and failed previous fusion (pseudoarthrosis). The OpenLoc-L Spinal Fixation System is a pedicle screw system indicated for the treatment of severe spondylolisthesis (Grades 3 and 4) of the L5-S1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft having implants attached to the lumbar and sacral spine (L3 to sacrum) with removal of the implants after the attainment of a solid fusion. In addition, the OpenLoc-L Spinal Fixation System is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar and sacral spine: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, and failed previous fusion (pseudoarthrosis).

Source page: https://510kreport.com/device/K171813
Methodology: https://510kreport.com/methodology