# K052471: HDC Spider Screw

- Pathway: 510(k) (Traditional)
- Applicant: Hdc S.R.L.
- Decided: Dec 23, 2005 after 106 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: 6 generations back to K894844 (1990). 20 ancestors in all.
4 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)
- K042965: Tomas Pin, Dentaurum, Inc. (2005) Summary page 1.
- K033767: Dual Top Anchor System Screws, Jeil Medical Corporation (2004) Summary page 1.
- K041527: Aarhus Anchorage System, Medicon EG (2004) Summary page 1.
- K021584: Replace Scalloped Margin Implant System, Nobel Biocare Uas, Inc. (2002) Summary page 1.

## Most influential descendants
- K071851: HDC Sterile Spider Screw (2007), 2 descendants of its own
- 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
- K083869: BT-Tite CV3, Mini Implant, Mini Single, Slot Implant, Model (S)  Dddiii BTICV3, 1, and Dddiiibtisi (2009), 0 descendants of its own

## Indications for use
The HDC 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. The device is used temporarily and shall be removed after orthodontic treatment.

Source page: https://510kreport.com/device/K052471
Methodology: https://510kreport.com/methodology