# K071851: HDC Sterile Spider Screw

- Pathway: 510(k) (Traditional)
- Applicant: Hdc S.R.L.
- Decided: Oct 18, 2007 after 105 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: 7 generations back to K894844 (1990). 22 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 25 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K052471: HDC Spider Screw, Hdc S.R.L. (2005) Summary page 1.
- K062733: Tomas Pin SD 6, 8, and 10 MM, Dentaurum (2006) Summary page 1.
- K033767: Dual Top Anchor System Screws, Jeil Medical Corporation (2004) Summary page 1.

## Most influential descendants
- K122069: Storm Mini Screw (2013), 0 descendants of its own
- K091390: HDC Sterile Self Ligating Spider Screw, Model Sli,SL2 (2009), 0 descendants of its own

## Indications for use
The HDC Sterile Spider Screw is a threaded titanium dental implant screw, intended to serve as a fixed anchorage point for attachment of orthodontic appliances to facilitate the orthodontic movement of the teeth. It is used temporarily and must be removed after the orthodontic treatment has been completed. It is provided sterile and is intended for single use only.

Source page: https://510kreport.com/device/K071851
Methodology: https://510kreport.com/methodology