# K050548: Contour Midface Opposing Uni-Directional Threads

- Pathway: 510(k) (Traditional)
- Applicant: Surgical Specialties Corp
- Decided: Apr 1, 2005 after 30 days
- Product code: GAW (Suture, Nonabsorbable, Synthetic, Polypropylene)
- Device class: 2
- Regulation: 21 CFR 878.5010
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K014153 (2002). 5 ancestors in all.
65 later devices descend from it; 3 cite it directly.
0 of 71 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K041593: Featherlift Extended Length Aptos Thread, Surgical Specialties Corp (2004) Summary page 1.

## Most influential descendants
- K051609: Quill Synthetic Absorbable Barbed Suture (2005), 64 descendants of its own
- K071989: Quill Self-Retaining System (SRS) Synthetic Absorbable Surgical Suture Material (2007), 31 descendants of its own
- K080680: Quill Self-Retaining System (SRS) Comprised of Pdo (Polydioxanone (2008), 30 descendants of its own
- K080985: Quill Self-Retaining System (SRS) Comprised of Polydioxanone (Pdo) (2008), 29 descendants of its own
- K072028: Quill Self-Retaining System (SRS) Comprised of Monoderm (2007), 26 descendants of its own

## Indications for use
The Contour Midface Opposing Uni-Directional Threads are indicated for use in midface suspension surgery to fixate the cheek subdermis in an elevated position.

Source page: https://510kreport.com/device/K050548
Methodology: https://510kreport.com/methodology