# K050515: Bone Block Fixation Set

- Pathway: 510(k) (Special)
- Applicant: Straumann USA, Inc.
- Decided: Apr 5, 2005 after 35 days
- Product code: DZL (Screw, Fixation, Intraosseous)
- Device class: 2
- Regulation: 21 CFR 872.4880
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
5 later devices descend from it; 1 cites it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The summary cites one number, which could not be confirmed as its predicate (listed below).

## Cited in the summary but kept off the family tree
- K010698: Guided Bone Regeneration System. Not matched in our reading of the summary (scans can blur digits), so it is kept off the family tree

## Most influential descendants
- K063769: Alpha Bio Bone Fixation Screw System (2007), 4 descendants of its own
- K141764: Tristar Bone Graft Fixation System (2014), 3 descendants of its own
- K170697: GBR system (2018), 2 descendants of its own
- K222367: Save GBR (2023), 0 descendants of its own
- K182759: BoniPlus Dental G-Mesh System (2020), 0 descendants of its own

## Indications for use
Straumann Bone Block Fixation is used to stabilize and fixate bone grafts and bone filling materials for the regeneration of bone in the oral cavity. The bone grafting fixation technique can make it possible for the placement of dental implants in previously unsuitable sites.

Source page: https://510kreport.com/device/K050515
Methodology: https://510kreport.com/methodology