# K151789: LOCATOR F-Tx Attachment System

- Pathway: 510(k) (Traditional)
- Applicant: Zest Anchors, LLC
- Decided: Mar 4, 2016 after 247 days
- Product code: NHA (Abutment, Implant, Dental, Endosseous)
- Device class: 2
- Regulation: 21 CFR 872.3630
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 13 generations back to K894595 (1990). 152 ancestors in all.
8 later devices descend from it; 1 cites it directly.
0 of 161 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K072878: Modification to: Locator Implant Anchor, Zest Anchors, Inc. (2007) Summary page 4.
- K150295: LOCATOR RTx, Zest Anchors, Inc. (2015). Cleared while this submission was under review Summary page 4.

## Most influential descendants
- K213391: High Retention Attachment System (2022), 7 descendants of its own
- K233587: LOCATOR Angled Abutment (Various) (2024), 4 descendants of its own
- K243272: LOCATOR Angled Abutment (2025), 3 descendants of its own
- K250721: LOCATOR® Angled Abutment (2025), 2 descendants of its own
- K252944: LOCATOR® Angled Abutment (2025), 1 descendant of its own

## Indications for use
The LOCATOR® F-Tx Attachment System is designed to support fixed, partial or full arch restorations on endosseous dental implants in the mandible or maxilla for the purpose of restoring masticatory function. It is used in fixed hybrid restorations that can be attached with a snap-in system. The LOCATOR® F-Tx Attachment System is compatible with the following implants: Implant Manufacturer Connection Type / Platform Astra Tech OsseoSpeed Plus EV: 3.6, 4.2, 4.8 mm BioHorizons Internal Hex: 3.0, 3.5, 4.5, 5.7 mm Biomet 3i Osseotite® Certain®: 3.4, 4.1, 5.0, 6.0 mm Camlog Camlog, Conelog: 3.3, 3.8, 4.3, 5.0 mm iSy: 3.8, 4.4, 5.0 mm Dentsply Ankylos®: 3.5, 4.5, 5.5, 7.0 mm MIS Implants Internal Hex: 3.75, 4.5 mm Nobel Biocare NobelActive™: 3.0, 3.5, 3.9 mm Replace™ Select: 3.5, 4.3, 5.0, 6.0 mm Brånemark: 3.5, 4.1, 5.1 mm Straumann Bone Level: 3.3, 4.1, 4.8 mm Standard: 4.8, 6.5 mm Zimmer Tapered Screw-Vent®: 3.5, 4.5, 5.7 mm

Source page: https://510kreport.com/device/K151789
Methodology: https://510kreport.com/methodology