# K070039: Memometal Fixos Screws

- Pathway: 510(k) (Traditional)
- Applicant: Memometal Technologies
- Decided: Mar 21, 2007 after 77 days
- Product code: HWC (Screw, Fixation, Bone)
- Device class: 2
- Regulation: 21 CFR 888.3040
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K792022 (1979). 8 ancestors in all.
84 later devices descend from it; 6 cite it directly.
0 of 93 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K962233: Twist-Off Screw, Landos, Inc. (1996) Summary page 1.
- K962236: Scarf Thread-Head Screw, Landos, Inc. (1996) Summary page 1.
- (no number) LANDOS Cannulated Bone Screw: named in the summary without a submission number
- (no number) Twist-Off Screw: named in the summary without a submission number

## Most influential descendants
- K120493: Mini Cannulated Headed and Headless Screw Set (2012), 39 descendants of its own
- K142658: Biomet Headless Compression and Twist-off Screws (2014), 36 descendants of its own
- K123890: Acumed Cannulated Screw System (2013), 36 descendants of its own
- K131722: I.T.S. Extremity Fixation Systems (2013), 24 descendants of its own
- K190586: Monster® Screw System (2019), 21 descendants of its own

## Indications for use
The MEMOMETAL FIXOS Screws (S-Fix / C-Fix / P-Fix & W-Fix) are indicated for fixing and stabilizing the elective osteotomies of the mid-foot bones and the metatarsal and phalanges of the foot only.

Source page: https://510kreport.com/device/K070039
Methodology: https://510kreport.com/methodology