# K973506: Activator II

- Pathway: 510(k) (Traditional)
- Applicant: Activator Methods, Inc.
- Decided: Jan 27, 1998 after 133 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
Longest line of descent: 1 generation back to K930431 (1994). 2 ancestors in all.
6 later devices descend from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K950646: Integrator, Moyco Union Broach, Div., Moyco Technologies, Inc. (1996) Summary page 1.
- K930431: Arthrostim Manipulator, Freeman Procedure Seminars (1994) Summary page 1.
- (no number) Activator® preamendments device: named in the summary without a submission number

## 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

## Indications for use
The Activator II® is indicated for chiropractic adjustment of the spine and extremities.

Source page: https://510kreport.com/device/K973506
Methodology: https://510kreport.com/methodology