# K001476: Torque Instrument, Model 8500

- Pathway: 510(k) (Traditional)
- Applicant: Spinalight, Inc.
- Decided: Aug 4, 2000 after 85 days
- Product code: LXM (Manipulator, Plunger-Like Joint)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
6 later devices descend from it; 1 cites it directly.
0 of 7 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K023462: Impulse-Adjusting Instrument, CBP Adjusting Instrument, Neuromechanical Adjusting Instrument, Models 2003 (2003), 5 descendants of its own
- K080261: Impulse IQ Adjusting Instrument (2008), 2 descendants of its own
- K072519: Activator V Spinal Adjusting Instrument (2007), 1 descendant of its own
- K160278: VSTAAR AdjusteR (2016), 0 descendants of its own
- K082218: Max Adjusting Instrument (2008), 0 descendants of its own

Source page: https://510kreport.com/device/K001476
Methodology: https://510kreport.com/methodology