# K223924: LW Implant System

- Pathway: 510(k) (Traditional)
- Applicant: Ossvis Co., Ltd.
- Decided: Aug 8, 2023 after 221 days
- Product code: DZE (Implant, Endosseous, Root-Form)
- Device class: 2
- Regulation: 21 CFR 872.3640
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 11 generations back to K894595 (1990). 27 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 29 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K181138: IS-III active System, Neobiotech Co., Ltd. (2018) Summary page 4.

## Most influential descendants
- K251605: DIMPLO Implant System (2025), 0 descendants of its own

## Indications for use
The LW Implant System is indicated for use in partially or fully edentulous mandibles and maxillae, in support of single or multiple-unit restorations including; cemented retained, screw retained, or overdenture restorations, and terminal or intermediate abutment support for fixed bridgework. The LW Implant System is dedicated for two stage surgical procedures and is intended for delayed loading. Also, implants with diameters larger than 5mm are indicated for molar regions.

Source page: https://510kreport.com/device/K223924
Methodology: https://510kreport.com/methodology